ML20087F890
| ML20087F890 | |
| Person / Time | |
|---|---|
| Site: | McGuire, 05000000 |
| Issue date: | 06/30/1983 |
| From: | Scrabis C WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP. |
| To: | |
| Shared Package | |
| ML20087F885 | List: |
| References | |
| NUDOCS 8403190261 | |
| Download: ML20087F890 (125) | |
Text
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STEAM PRESSURE SUPPRESSION CHARACTERISTICS OF WATER-SOLUBLE PLAS11C MEMBRANE SillELLED ICE FOR ICE CONDENSER CONTAINMENT NUCLEAR POWER PLANTS EPRI RESEARCH PROJECT 2125-1 FINAL REPORT (WCAP-10223)
June 1983 Prepared by WESTINGHOUSE ELECTRIC CORPORATION Nuclear Technology Division P.O. Box 355 Pittsburgh, Pennsylvania 15230 C. M. Scrabis, Principal Investigator Prepared for ELECTRIC DOWER RESEARCH INSTITUTE 3412 Hillview Avenue Palo Alto, California 94304 N. S. Hirota, Project Manager
' 8403190261 840307' hDRADOCK 05000369 PDR'
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NOTICE This report was prepared by the organization named below as an account of work sponsored by the Electric Power Research Institute, Inc. (EPRI). Neither EPRI, members of EPRI, the organization named below, nor any person acting on behalf of any of them: (a) makes any warranty, express or implied, with respect to the use
-of any information, apparatus, method, or process disclosed in this report or that such use may not infringe privately owned rights; cr (b) assumes any liabilities with respect to the use of, or for damages resulting from the use of, any information, apparatus, method, or process disclosed in this report.
Prepared by Wettinghouse Electric Corporation Pittsburgh, Pennsylvania 9
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1 ABS 1RACT
. Plastic film materials have become widely. accepted for use as vapor barriers.
Though not constituting an absolute vapor barrier membrane, like glass or metal foils, they usually offer more than adequate resistance to water vapor permeation. Their relative inexpensiveness, flexibility, and availability make them ideal for applications where large and/or uneven surface areas must be protec"ted from ingress or egress of moisture.
This application would suit that of an ice condenser containment system, used in certain nuclear. power plants, whers ice is stored in large refrigerated compartments. This; system entails}a major maintenance problem in that the ice continually sublimates away. Vapor barriers have not been incorporated in the past because of the unknown ~ effects on the heat transfer performance of the ice,
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that'is, its ability to cor. dense the steam generated from a postulated pipe
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'. r u p t u r e '. I'f',' howev'er, the vapor barrier could disintegrate or dissolve away fast enough under accident conditions, then the use of such a vapor barrier might be p'racticable. ,
It wasLthe purpose of this program, as summarized herein, to investigate and
- evaluate the use and possible heat transfer effects of water-soluble plastic films n - c when used as'fapor barriers around the ice stored in the ice condenser system.
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CONTENTS Section Page 1 INTRODUCTION 1-1 Background 1_1 Scope 1-1 Summary
-2 TEST PLAN DEVELOPMENT 2-1 Literature Search 2-2 Material Identification 2-2 Test Matrix Development 3 ICE CONDENSER SUBLIMATION SHIELDING TESTING 3-1 Facility Preparation 3-1 Testing 3-1 4 DATA EVALUATION 4-1 5 CONCLUSIONS AND RECOMMENDATIONS 5-1 Conclusions 5-1 Recommendations 5-2 APPENDIX A TEST PLAN A-1 APPENDIX B TEST DATA B-1
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' ILLUSTRA110NS Fiqure Page 3-1 Test Facility Schematic Diagram- 3-3 2 .
Test Facility 3-4 3-3 Boiler Autoclave and Receiver 3-5 3-4 Boiler, Air-Operated Valve, and Receiver Vassel 3-6 3-5 Visicorders for Data Acquisition 3-7 3-6 Air-Operated Valve 3-8 3-7 Pretest View of Ice Basket 3-9 3-8 Ice Basket Being Lowered Into Receiver 3-10
'3-9 Posttest: View of Ice Basket 3-11 s
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SUMMARY
leuclear~ power;p1' ants using ice condenser containment systems inherently suffer from ice ~ sublimation with resultant diminishing ice. inventories. Maintaining the
-minimum ice inventory for' containment building safety requirements necessitates
~
. periodic. ire replenishment operations, with the plant shut down for the entire
-operation; .Up to~6 months' downtime and 25,000 man-hours are needed to melt out,.
reload,'and weigh.the. typical' plant ice inventory of 3,000,000 pounds
~
(1,360,000 kg) and it is-estimated that'the process could be required as often as every.7 years. Utilities having ice condenser system plants clearly need an economical and feasible method to effectively suppress.or eliminate ice sublimation. losses.
Plastic-film materials have become widely accepted for use as vapor barriers.
(Though not absolute vapor barriers, they usually offer more than adequate resistance to watersvapor permeation. Further, their relative inexpensiveness, flexibil_ity, and availability make them ideal for applications where large and/or
-uneven surface areas'must be protected from ingress or egress of moisture.
The objectiUe;of this program was to investigate and' evaluate the use and possible ,
- heat transfer effects of water-soluble plastic films when used-as vapor barriers aroundLice~ stored in ice condenser systems. The following tasks were involved
"o -Determination of suitable materials for sublimation shielding, methods 1of~ application, and costs o Assessment of the performance of the materials through subscale tests t
o Evaluation of material characteristics such as solubility,
' effects of residue on: drain co;nponents, maintenance and repair of the material, and effects of age and radiation Through'11terature searches and discussions-with the Westinghouse Chemistry Department and plastic film manufacturers, the two most likely water-soluble
- plastic-film candidates -- methyl cellulose and polyethylene oxide -- were 1 selected for evaluation. 'These materials are commercially available in liquid a
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form for. spray-on or dipping application to ice baskets, and in 1.5- to 3.5-mil
'- (0.038 to 0.089 mm) sheet film, Sheet film material for an ice basket column would cost from $12 to.523 to cover a column; using liquid material would cost about $200. Repairs to both shielding films could be made by bonding additional material to a damaged area with water-soluble adhesives.
Heat transfer performance was determined by using various shielding material
. application configurations and thicknesses on single ice baskets and performing steam blowdown tests. Testing was done by electrically heating 10 lb (4.5 kg) of water in an autoclave until steam at 1200 psig (8.27 MPa) and 580*f (304*C) was produced. When an air-operated valve in connecting piping was opened, the autoclave steam was blown into a sealed receiver vessel containing a test ice basket filled with about 140 lb (63 kg) of borated flake ice. During blowdown, pressure and temperature transients in the receiver vessel were recorded.
following blowdown and pressure and temperature stabilization in the receiver vessel, it was drained and the drain water was weighed.
The results of tests with shielded baskets were compared with those from tests using unshielded baskets under identical steam mass and energy conditions.
Performance of the shielded ice baskets was based on the ability of the available ice to suppress steam pressure in the receiver vessel. An acceptance criterion, established by the Westinghouse Nuclear Safety Department, of +3.0 psig (21 Pa) above unshielded ice basket reference test conditions was used.
Chemical and radiation effect analyses were also performed on samples of the 6
materials. Samples appeared unaffected by irradiation to 10 rads. The chloride content of both irradiated and unirradiated samples was evaluated and found to be acceptable based on the amount of dilution and pH of sump water.
Although methyl cellulose material dissolved faster than polyethylene oxide, neither material appeared to go completely into solution. Instead, the two materials disintegrated and left small amounts of solids residue. The particles in the-polyethylene oxide residue appeared to be larger than those in the methyl cellulose residue, and also somewhat sticky.
Although test results show some variation in condensing pe formance due to type of
-material, application configuration, and film thickness, the results of all shielded ice basket tests met the established acceptance criterion, and the resulting receiver vessel pressures converged to the reference (unshielded basket) test-conditions in a sufficiently short time period so as not to affect the
-t postulated peak containment pressure from long-term heat decay after the containment ice bed is completely melted. It is believed that application of the shielding material in an actual ice condenser plant could be defended.
1 The overall results from this program indicate that a methyl cellulose internal basket liner made from 2.1-mil (0.053 mm) film would be the best candidate for ice basket shielding. The polyethylene oxide film material was disqualified primarily because it appears to leave sticky, larger-sized residue particles which could possibly plug containment spray nozzles. If it could be shown that this is not a problem, the 3.5-mit (0.089 mm) polyethylene oxide film could be recommended.
Recommendations for additional' work include tests to determine the maximum size of residue particles that could be circulated through actual containment spray header nozzles under accident conditions without causing plugging, and analysis of heat transfer effects on the lower containment compartments under the ice condenser floor. These compartments are sensitive to the initial (first 2 seconds) pressure peak seen by the containment building.
A
I Section 1 INTRODUCTION BACKGROUND Nuclear power plants which utilize ice condensers inherently suffer from ice sublimattun, with resultant diminishing ice inventories. To meet the minimum ice inventory for containment building safety requirements, ice replenishment operations are periodically required. These require the plant to be shut down for the entire operation. Ice condenser plants require up to 6 months downtime to completely melt out, reload, and weigh the typical plant ice inventory of 3,000,000 lb (1,360,000 kg). It in estimated that this process could be required as often as every 7 years, and would require approximately 25,000 man-hours per unit. Utilities with ice condenser plants clearly need an economical and feasible method to effectively suppress or eliminate ice condenser ice sublimation losses.
SCOPE The scope of this program was to (1) determine a suitable material for sublimation shielding, its application, and cost; (2) assess the performance (containment pressure transients during a LOCA blowdown) of various application configurations through subscale tests (steam blowdown on a single ice basket); and (3) evaluate material characteristics, such as solubility, effects of residue on drain components, maintenance anr; repairs of material, and effects of age and irraqiation. The scope for future work was defined and the groundwork developed.
SUMMARY
Information gathered from literature searches, the Westinghouse Chemistry
' Department, and_ plastic film manufacturers led to identification of the two most likely candidate water-soluble plastic film shielding materials for evaluation.
These were methyl cellulose and polyethylene oxide. The shielding materials are
- commercially available, in film thickness from 1.5 to 3.5 mils (0.038 to 0.089 mm), and in liquid form. The sheet film material could be furnished in a tubular configuration which could be applied to an ice basket as an external wrapper or as an internal basket liner. The liquid material could be applied by spraying, as with a paint sprayer, or by dipping the basket. The sheet film material can be 1-1 ;
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furnished at_a cost of $12 to $23 for an individual ice basket column. Covering a e basket column wit l liquid material would cost around $200. Repairs to the shielding film could-be made by bonding additional material to damaged areas with water-soluble adhesives.
The heat transfer performance of shielded ice baskets, using the various
' application configurations and thicknesses, was determined by steam blowdown tests on single ice baskets. The performance of shielded ice baskets was compared against that of unshielded ice baskets under identical steam mass and energy
. conditions. Performance was based on the ability of the available ice to suppress steam pressure in a test receiver pressure vessel. An acceptance criterion of
+3.0.psig (21 Pa) above the resulting unshielded ice basket reference test conditions was established by Westinghouse Nuclear Safety Department. This criterion was established from the fact that in accident analysis studies a maximum peak pressure of 8 psig (55 Pa) could be expected for the initial short-term containment pressure transient. An increase of 3 psig (21 Pa) would bring that initial pressure peak to 11 psig (76 Pa), which still leaves a 1.0 psig (6.9 Fa) margin for the minimum containment design pressure of 12 psig (83 Pa).
Chemical and radiatien analysis was performed on samples of the test shielding 6
materials. Irradiated samples-were unaffected when subjected to 10 rads. The chloride content of samples was evaluated for both irradiated and nonirradiated cases, and was found to be acceptable based on the amount of dilution and pH of the water in the containment building sump. The methyl cellulose material dissolved faster than the polyethylene oxide. Neither material goes into solution completely; both appear to disintegrate and leave some small amounts of solids residue. The residue remaining from polyethylene oxide samples appeared to be in
' larger-sized particles than the methyl cellulose residue, and was also somewhat sticky.
1-2 ,
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Section 2 TEST PLAN DEVELOPMENT LITERATURE SEARCH A library literature search. identified 117 reports under the description of water-soluble film or films, and vapor barriers. These reports consisted of technical journal articles, patent disclosures, and conference proceedings. Most of the reports were not available in English, and many were eliminated by review of the report summary. The following reports were identified for possible applicability and reprints were acquired:
e R. S. Lenk. "An Unsupported Water-Soluble and Heat-Sealable Film From Predominantly Nonfossil Raw Materials." Polymer, 21, pp. 371-373 (1980).
e J. J. Hatch. Water-Soluble Sulfonium Derivatives of Diphenyl Ether. -U. S. Patent 3502710.
e T. S. Bianco and E. M. Dratz. Polyvinyl Alcohol Compositions Containing a Plasticizer Mixture. U.S. Patent 3374195.
e J. Friedman. Laundry Package. U. S. Patent 3322574.
e E. M. LaCombe and W. P. Miller. Water-Soluble Interpolymers of Acrylamido-Alkylsulfonates. U.S. Patent 3332904.
e M. Reintjes and L. Starr. Water-Soluble Films From Hem 1 cellulose. Fpichlorohydrin. and an Alkanolamine or Glycerol. U.S. Patent 3832313.
e A. M. Mark and C. L. Mehltretter. High-Amylose Starch Acetate. U.S. Patent 3553196.
e F. H. Ancker. Water-Soluble Biaxially Oriented Poly (Ethylene Oxide) Film. U.S. Patent 3377261.
e T. Tsuzuki. Edible Water-Soluble Collage Film. GB Patent 1219463.
e M. Freifeld and T. L. Thomas, Jr. Water-Soluble Package and Method for Making and Using Same. U.S. Patent 3277009.
e E. D. Klug. " Properties of Water-Soluble Hydroxyalkyl Celluloses and Their Derivatives." J. Polym. Sci.. Pt. C.36, pp. 491-508 (1971).
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- MATERI AL' 10ENTIFICM10N '
y, ;As'a; result of'the. literature search and discussions with' material suppliers and
- .the-Westinghouse Chemistry Department, two materials ~were identified for test
~
- evaluation. :These were methyl cellulose,' which was furnished ander the Polymer
- Films .Inc.,, trade name of CDISOL M, and polyethylene oxide, Polymer Films trade-
'name QUIK-SOL?P. The materials were furnished in flat sheet stock rolls,'45 in.
.-(1.l~m) wide,-.and-in. liquid form.
The following additional materials-were identified from the information search, but were eliminated as possible candidate materials for various reasons:
l o' . Polyvinyl alcohols.
- e Hemicelluloses e- Acrylamido-alkyisulfonates e High-amylose starch' acetate
.e Sulfonium derivatives of diphenyl ether-
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.o - .W-alkoxymethyl polypyrrolidones
's- Polyacrylic acid
, -Le - Sodium polyacrylics
- e Hydroxide propionate cellulose iTEST MATRIX DEVELOPMENT
- The:1ce baskets, tested were 12.in.-(0.30 m) in diameter by 6 ft (1.8 m) long and made'of-16'. gage perforated sheet metal. The perforations were 1 in. (0.025 m) square =on.1-1/8-in. (0.029 m) centers with 64 percent open area. The baskets were h open on the-top end and enclosed on the bottom end with 1 by 1 in. (0.025.by 0.025 m) wire screen mesh. One ice basket was required for each test run. At
'least six baskets were available for the test program.
Ths~following material configurations were tested:
e1 Methyl cellulose - 1.5-mil (0.038 m) thick sheet film, internal liner Methyl cellulose - 1.5-mil (0.038 mm) thick sheet film,
~
e external wrapper-3y ,
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e Methyl cellulose - 2.1-mil (0.053 mm) thick sheet film, internal liner e Methyl cellulose - 2.1-m)1 (0.053 nn) thick sheet film, external wrapper e Polyethylene oxide - 2.0-m11 (0.051 mm) thick sheet film, internal liner e Polyethylene oxide - 2.0-m11 (0.051 mm) thick sheet film,
-external wrapper e Polyethylene oxide _3.5-m11 (0.089 mm) thick sheet film, internal liner e - Polyethylene oxide - 3.5-m11 (0.089 mm) thick sheet film, external wrapper.
e Methyl cellulose - heavy spray coating 1
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N t NN Section 3 ICE. CONDENSER SUBLIMATION SHIELDING TESTING FACILITY PREPARATION The sublimation shielding performance' test was a steam blowdown test. One autoclave [8 in. (0.20 m) in diameter by 10 ft (3.0 m) long] provided steam at 1200 psig (8.3 MPa) and 580*F (304*C). The autoclave fed the receiver vessel
.through 1 in. (0.025 m) diameter high-pressure stainless steel piping through a 3/4-inch (0.019 m) air-operated valve. The piping was heat traced and insulated prior to its entering the receiver vessel to reduce heat losses.
The 18 in. (0.46 m) OD by 10 ft (3.0 m) long vertical receiver vessel was rated for 150 psig (1.03 MPa) at 600*F (316*C). It was equipped with a quick-opening
~ hatch on top and a blind flange on the bottom. A 1 in. (0.025 m) diameter pressure relief line was furnished off a side shell nozzle. The 1 in. (0.025 m) diameter blowdown inlet pipe penetrated the center of the blind flange and extended into the receiver vessel. The inlet pipe was capped off inside the receiver vessel, and numerous 1/4 in. (0.0064 m) diameter holes were furnished along the length of pipe .inside the vessel, to allow the steam to enter without directly impinging on the ice basket. A 14 in. (0.36 m) ID by 1/4 in. (0.0064 m) thick aluminum pipe extended along the entire inside length of the receiver vessel to provide an air' gap next to the vessel shell for insulation purposes. Figure 3-1 is an overall schematic diagram of the test facility.
The receiver vessel ir.strumentation included five thermocouples and two pressure transducers. ' Figure _3-1 shows the location of the instrumentation. Two multichannel Visicorders recorded the temperature and pressure transients during the steam blowdown.
Figures 3-2 through 3-9 are photographs of the test facility and test operations.
- TESTING The autoclave system was loaded with 10.0 lb (4.54 kg) of water and heated electrically until steam at 1200 psig (8.3 MPa) and 580*F (304*C) was produced.
3-1
c This. saturated steam candition was chosen because it represented a main steam line break LOCA. Preliminary test runs showed that 10 lb (4.5 kg) of water had to be loaded into the boiler autoclave to produce a resultant receiver vessel pressure of 7.0 psig (48 Pa) with an unshielded ice basket.
'The. test ice basket was filled with approximately 140 lb (63 kg) of borated flake ice and loaded into the receiver vessel. .This was the amount of ice necessary to completely fill the test ice basket. The receiver vessel was then sealed and the autoclave steam was blown into it by opening the air-operated valve in the connecting piping. Pressure and temperature transients were recorded during the blowdown.
Following blowdown and stabilization of pressure and temperature, the receiver vessel drain valve was opened to collect the receiver water. The drain water was weighed. The top cover was then opened and the ice basket was removed from the receiver vessel and weighed.
Appendix A sets forth the test procedure used.
TEST RESULTS The test data sheets are presented in Appendix B, along with tabular and graphic summaries of the results.
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'd Figure 3-9. Posttest View of Ice Basket 3-11
1 l
l Section 4 CATA EVALUATION The results of the ice condenser performance test for the various water soluble shielding. materials, configurations, and thicknesses are shown ir, comparison to the reference test case of an unshielded ice basket.in Figures B-2 through B-10 (Appendix B). The generation of the reference pressure transient curve for an unshielded ice basket-is shown in Figure B-1 (Appendix B). Here data from four tests are shown in relationship to the reference curve, which is an average of the plotted test points. The good repeatability.of the test facility and procedure is indicated by the tight point scatter in the plot for the reference unshielded ice
. basket test cases.
'All'but one'of the shielded ice basket test results met the initial criterion of 3 psig (21 Pa) above the reference test' condition for the unshielded ice basket, which was established by the Westinghouse Nuclea'r Safety Department. Test 8
^
(Figure B-7), for the 3.5-m11 (0.089 mm) polyethylene oxide internal liner shielded ice basket test, exceeded that criterion by 0.3 psig (2.1 Pa). However, test 13, which was a duplication of test 8, did meet the criterion. Nuclear Safety has' reviewed the results of test 8 and has concluded that the results are acceptable -since the resulting initial peak pressure would still be 0.7 psig (5 Pa) below the minimum containment design pressure, and the pressure transient-reduces fast enough so as not to affect the second pressure peak of 12 psig (83 Pa) which occurs about 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> into the LOCA accident, after the ice bed has melted out.
,The only predictable. pattern seen among the various film materials, thicknesses, or application configurations is that, as the peak receiver vessel pressure increased, so did the time into the transient that this peak occurred. That is, a low peak receiver vessel pressure (17.6 psig (552 Pa)] will occur early in the transients (<5.5 sec); the higher pressures occur later in time (up to 16.5 sec).
Film thickness and application configuration (inside liner versus outside wrapper) did not affect the pressure transient in a predictable manner. This might be explained by a comparison of Figure B-11, which is a plot of the highest pressure 4-1 e .:
1
-points.versus time from all the test cases, with Figure B-12, which is the pres-sure transient for an insoluble plastic film shielded ice basket. The insoluble film material was commercially available polyethylene sheet film 4.0 mil (0.10 mm) thick. The test shown in Figure B-12 (test 10) was not a scheduled test in the program, but was run to determine the effect of the shielding medium remaining intact. Both pressure transients (Figures B-11 and B-12) were similar up to approximately 12 s . ands into the steam blowdown. After this time, the pressure continued to rise for the insoluble shielded ice basket, but had peaked and started to-fall for the water soluble film shielded ice basket.
The pressure transient differences before 12 seconds for all the water soluble shielded basket tests (Figures B-2 through B-10) might be an indication of how long the water soluble film material for that particular test case remained intact as a shielding medium along the length of ice basket. The pressure dip seen in Figures B-6 and B-7 could be the result of a fast disintegration of the shielding medium in the lower part of the ice basket and a slower disintegration higher up on the ice basket; in theory, the steam was condensed and the ice was melted out initially in the lower portion of the basket. Then, as the steam transient con-tinued, the shielding film on the upper portions of the basket delayed the heat transfer and steam contact with the ice, and thus caused the pressure rise.
Figure B-9 shows the pressure transient for un ice basket which had been sprayed with methyl cellulose as a shielding film. The plot seems to indicate performance at least as good as that of the reference case (no shielding film). However, the application of the liquid methyl cellulose material was questionable in regard to producing a good continuous shielding coat over all the exposed ice surfaces.
Temperature '.ersus time plots were recorded in five locations in the receiver vessel: at elevations corresponding to the top and bottom of the ice basket and at 1-1/2 foot (0.46 m) intervals. in between. Peak temperatures and the time at which the peak temperatures occurred were recorded and are shown in Tables B-1 and B-2 (Appendix B). The actual temperature traces, from which peak temperatures were taken, appeared very erratic and spiky. The temperature information is included on the data sheets and data summary sheets (Appt 1 dix B). As expected, the lowest temperatures occurred at the top of the ice L det in all cases; the highest temperatures were at the basket bottom in most of the cases. The highest top temperature occurred in test 10, which used the insoluble plastic film shielding material. High top temperatures also occurred in those tests which exhibited the higher peak pressures. There appears to be no correlation between the times that the peak pressure and peak temperatures occurred.
4-2
- y. . :.. -
f:
"1 , Section 5 i CONCLUSIONS AND RECOMMENDATIONS .
The test results.show some variation in performance among the types of film
_ mat'erial, application configuration, and thickness. However, all shielded ice
' basket-tests results are considered acceptable. The resulting receiver vessel pressures converged.to'the reference ~ test conditions in a sufficiently short time period so as-to not affect the. postulated peak containment pressure from long-term
' heat decay _after the ice bed is completely melted. It.is believed that the appli-cation of the shielding material in an actual ice condenser plant could be
. defended.
IChemically, both shielding materials are acceptable on the basis of chloride con-tent. ~The methyl cellulose material.would be preferred because of its ability to dissolve faster and the. smaller-sized, nonsticky particles in the remaining
- residue. However, the-steam blowdown tests show lower peak pressures using thin 1 polyethylene oxide material'(2.0 mils (0.051 mm) thick] versus thin methyl cellu-lose. material * (1.5 mils and 2.1 mils (0.038 and 0.053 mm) thick). This appears
~
to indicate that.the polyethylene oxide material dissolves or disintegrates faster than methyl ~ cellulose when contacted by steam.
~ Tables B-3 and B-4 (Appendix B) summarize the chemical analysis work performed on unirradiatad and irradiated-film samples,.and on drain water collected after blow-down testing.
'The integrity of the-shielding film on the test ice baskets was greatly affected by atmospheric-humidity. .Several tests were cancelled because condensation formed on the plastic film surface and started to dissolve it. Shielding films sustained tears-during handling operations from ice loading to lowering the basket into the receiver vessel. It was'also noted that when the shielding film began to break down, the disintegration was usually more noticeable or pronounced at the bottom
,. of the' ice basket.
- Methyl cellulose-is not commercially available in a thicker film at the present time.
5-1
+ . .,
From a handling point of view, the polyethylene oxide material was more rugged and less sensitive to moisture in the air. If actual plant application of shielding film material would be done in a dry, refrigerated environment where atmospheric humidity would not be a factor, then neither would have a handling advantage over the other.
. Table 5-1 identifies the material costs associated with the incorporation of the identified shielding materials into an ice condenser plant. Based on the fact that a complete ice bed meltout and reload could cost on the order of $1,000,000, excluding costs for purchase of replacement power, the use of these materials would be very cost effective.
The internal basket liner proved to be the best method of material application on the test ice baskets. The ice basket reinforced the sheet film liner during ice loading operations and protected it during handling. The external wrapper config-uration tended to blow outward during ice loading, allowing ice to be trapped between the basket exterior surface and the wrapper interior surface. Also, the external wrapper was easily damaged when the basket came into contact with other objects. The spray-application of liquid material was messy and required applica-tion of a considerable amount of material to the basket surface before complete coverage appeared to be achieved. If more efficient and cost-effective techniques for spraying the liquid material were available, this application might be the most viable and attractive option for installation in an actual plant.
The results of this program indicate that a methyl cellulose internal basket liner made from 2.1-mil (0.053 mm) thick film would be the best candidate for ice basket shielding. The polyethylene oxide film material was disqualified mainly because it appears to leave sticky, larger-sized residue particles that could possibly plug containment spray nozzles. If it could be shown that .his is not a problem, the 3.5-mil (0.089 mm) polyethylene oxide film material could be further considered.
RECOMMENDATIONS
'The following recommendations are made on the basis of the test results:
e lhe possibility of the solids residue from the dissolved shielding material plugging containment spray systam header nozzles has not been fully addressed. It is recommended that 5-2
??I
}.
1
.; . this topic be evaluated by testing. Tests should be conducted
-to determine the maximum-sized residue particles that could be circulated through the containment spray header. Tests should be run with the maximum-sized particles pumped through actual spray nozzles under containment accident conditions, o The heat transfer effects on the lower containment compart-ments under the. ice condenser floor need to be addressed.
These compartments are sensitive to the initial (first 2 seconds) pressure peak seen by the containment building. The short-term heat transfer computer analysis of these regions should be performed to determine its sensitivity to changes in heat transfer performance of the ice condenser.
g 5-3 j _.
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Table 5-1 MATERIAL COSTS Cost per Cost per
_. Cost per Pounds per Column Planta
, g.( Material Pound ($) Column ($) ( $ x 103 )
METHYL CELLL' LOSE Solution 10.00 20.54 205.40 400 Film 6.66b 1.60 11.99 23.3
[1.5 mils (0.038 m)]
Film 6.66b. 2.64 17.59 34.2
[2.1 mils (0.053 m)]
POLYETHYLENE OXIDE-Solution 10.00 19.25 192.50 374.2 Film 4.84b 2.70 13.07 25.4
[2.0 mils (0.051 m)]
Film 4.84b 3.375 16.34 31.8
[2.5 mils (0.064 m)]
Film 4.84b 4.725 22.87 44.5
'[3.5 mils- (0.089 m)]
a1944 columns b>1000 lb 5-4
, . i s.
b b
,_A
. Appendix A
. TEST PLAN The' test plan for the ice condenser ice basket sublimation shielding steam test is reproduced en the followinq pages.
4
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~- , '3. (s -1 s'
- 4. .. .
Page 1 of 8 Rev. 2 Test Plan: Ice Condenser Ice Basket Sublimation Shielding Steam Test
Reference:
EPRI Contract RP 2125-1 Prepared by: M C.M./5'crr. bis, Principal Investigator Thermal Equipment Engineering Reviewed by: M.[
K. A. Kldes , Engineer Thermal Equipment Engineering
$Y P. A. Linn, Engineer Safeguards Analysis Al nzject Engineer D.G. Agate, hnology Development Approved by: me t r-e bk\MB7-E.A. Tomask A Manager Q.A. Engineering D.W. Alexander, Manager Thermal Equipment Engineering A-3
r' n3~ ,q. l
. ; \
RP.2125-1 w c . Page 2 of 8 Rev. 2 dti v
Rev. No.M8 Cate Revisions preparer
- = .
.k
-0. 6-14-82 Original C.'M. Scrabis i
1 6-23-82 Addef '
revision page (8 pages C. M. Scrabis inlieuof7).~Added Rev. No. to ea'ch oage.
Added IV.A.4, IV.B.9 and 10, V.5, and shielding material pre and post , test weight to data sheet. Added the requirement to weigh ~1n IV.B.4 and 7. IV.B.5 was through 13. IV.B.11 was repeat steps through 8.
2 10-5-82 Para. II.B.2. was 2.2 mil. C.f4. Scrabis
. Para. III.A.I.a., III.A.3.C.,
, and IV.A.2., was 576*F.
Para. III.B.3.6 was number required - 4.
Para. III.B.3.d. was 2 ft spacing Para. III.B.5.b. was number reqd 7.
Para. IV.A. and IV.A.15. were 8'to 10 psig.
. Para. IV.A.3. and IV.B.3. were 200 f.
Para. IV.B.. eliminated 2 steps for recovery and weighing of pest test film materials.
Para. V.S. eliminated post te-t.
Figure 1 - P7 and Air Operated Vessel, 75 added to Receiver Vessel.
Data Sheet - Removed Post test weight of film & Serial No's for thermocouples.
- Added T5 and places for Auotclave & piping temperatures.
Para.IV.B.6. was Para. IV.A.14.
f -
_. . A-3'
l RP-2125-1 Page 3 of 8 Rev. 2
= ICE BASKET SUBMLIMATION SHIELOING STE.aR TEST I. Objective Determine the heat transfer performance of an ice filled (borated flake ice) perfcrated sheet metal ice basket, with 64% open area covered with a vapor u' arrier of water soluable plastic material, when subjected to a saturated steam blast. Evaluate and compare pressure and temperature transients of shielded versus unshielded ice baskets when subjected to comparable steam conditions.
II. Test Item A. Ice Basket The test baskets shall be 12 inches in diameter by 6 feet long made of 16 gauge perforated sheet metal. The perforations shall be 1 inch square on 1 1/8 inch centers with 64% open area. The baskets shall be open on the top end and enclosed on the bottom end with perforated sheet metal. One ice basket is required per each test run. At least six baskets shall be made available for the test program.
B. Water Soluable Plastic Material Two materials have been identified for investigation in this test program; Methyl cellulose, and Polyethylene Oxide. These materials will be furnished as sheet film and as a liquid for spray application.
The following material configurations- will be tested:
- 1. Methyl Cellulose - 1.5 mil thick sheet film
- 2. Methyl Cellulose - 2.1 mil thick sheet film
- 3. Polyethylene Oxide - 2.0 mil thick sheet film
- 4. Polyethylene Oxide - 3.5 mil thick sheet film
- 5. Polyethylene Oxide - 2.5 mil thick sheet film * ,
- 6. Methyl Cellulose - light spray coating (approx.1 mil thick)
- 7. Methyl Cellulose - heavy spray coating (approx. 4 mil thick)
- 8. Polyethylene Oxide - light spray coating (approx.1 mil thick)
- 9. Polyethylene Oxide - heavy spray coating (approx. 4 mil thick)
The sheet film materials will be tested in the configurations as an external basket wrapper and as an internal basket liner.
- If test results on items 3 and 4 do not show any differences, then this item (2.5 mil thick polyethylene oxide film) can be eliminated.
Ad
4 RP-2125-1 Page 4 of 8 Rev. 2 r_ -
III. Test Equipment and Setup A. Mechanical (Ref attached sketch autoclave test facility schematic)
- 1. Boiler Autoclave
- a. 1200 psig 0 SS0*F
- b. 8" diz.. x 10' long (or equivalent)
- c. Number required - 1
?. Receiver Vessel
- a. 150 psig @ 600*F
- b. 18" 0.D. x 10' long
- c. Quick opening hatch on top
- d. Blind flange on bottom
- e. Number required - 1
- 3. Air Operated Valve
- a. For 1" dia. pipe line
- b. Number required - 1
- c. 1200 psig 0 580*F
- 4. Piping
- a. 1" dia. high pressure stainless steel tubing B. Instrumentation (All calibration shall be current)
- 1. Pressure Transducers
- a. O to 50 psig
- b. Number required - 2
- c. Transducers located at the top and bottom of the ice basket location
- d. Minimum response time shall be 0.090 sec.
- 2. Pressure Transducer
- a. O to 2000 psig + : 2 gsig
- b. 32*F to 800*F temperature range
- c. Minimum response time 0.001 sec.
- d. Number required - 1
- e. Location - steam discharge pipe to receiver vessel
, 3. Thermocouples
- a. 32*F to 600*F
- b. Number required - 5
- c. Minimum response time shall be 0.090 sec.
- d. One thermocouple located every 1 1/2' along the ice basket length.
A-8
~ __ . _. . . . .
.\
RP-2125-1 Page 5 of 8
. Rev. 2 Ip* yyt 24 m :*- "
- 4. Load Cell
- a. O to 250# 1/2#
- b. Capable of weighing in compression and tension
- c. Number required - 1
- 5. Graphic Data Acquisition System (Visicorder)
- a. Honeywell Model No. 1858
- b. Number of channels required - 8 IV. Test Procedure A. Preliminary test for determining the amount of autoclave water required to produce a peak receiver vessel pressure of 7 to 10 psig.
- 1. Add 6.5# of water to the autoclave system.
- 2. Heat to saturated steam conditions (1200 psig and 580*F initially).
- 3. Fill the ice basket with 150# of borated flakice.
- 4. Weigh the ice filled ice basket.
- 5. Install the ice basket inside the receiver.
- 6. Secure the hinged cover.
- 7. Start visicorder.
- 8. Open blowdown valve.
- 9. Record pressure and temperature.
10.. After pressure and temperature have stabilized, open drain valve and collect water from the receiver.
- 11. Record the weight of receiver water.
- 12. Open top hinged cover.
- 13. ~ Remove ice basket and weigh.
- 14. Increase the weight of water in Step IV.A.1 in increments of 1/2 pound and repeat test IV.A until a peak receiver vessel pressure of 7 to 10 psig is reached or the weight of autoclave water reaches 11.0#.
A-9
q RP-2125-1 Page 6 of 8
, Rev. 2 B. Basket Performance Test
- 1. Add the amount of water determined in part IV.A. to the autoclave system.
- 2. Heat to established steam conditions.
- 3. Fill an ice basket with 150# of borated flakice.
- 4. Maigh and install material II.B.1. to the outside of the ice basket.
The entire ice basket shall be enclosed in the film material.
- 5. Repeat steps IV.A.4. through 13.
- 6. Photograph the ice basket.
- 7. Repeat steps IV.B.1. and 2.
- 8. Weigh and install material II.B.1. as in internal liner to the ice basket.
9.- Repeat eteps IV.B.3, 5, and 6.
- 10. Repeat steps IV.B.1 through 8 for each of the water soluable film materials identified in paragraph II.B.2 through 5.
- 11. Repeat steps IV.B.1 through 5 for each of the water soluable spray coating materials identified in paragraph II.B.6 through 9.
- 12. Three (3) reference tests, on ice baskets without shielding materials, shall be run to verify repeatability of system transients conditions established in paragraph IV.A.14. One reference test run shall be done after testing material II.B.2, one after material II.B.5, and one after material II.B.9.
V. Data Requirements (See Attached Data Sheet)
- 1. Pressure transient at the bottom of the ice basket location.
- 2. Pressure transient at the top of the ice basket location.
-3. Temperature transients along the ice basket length.
- 4. Description of shielding material (i.e. material, thickness, installed configuration).
5.- Shielding material weight (pre test).
- 6. Weight of receiver vessel water after blowdown.
- 7. Weight of autoclave water before blowdown.
- 8. Pressure and temperature of autoclave before blowdown.
- 9. Tare weight of empty ice basket.
- 10. -Weight of ice basket before and after steam blowdown test.
A-10
[
KP-2125-1 Page 7 of 8 Rev. 2
. I" AIR OPERATED VALVE QOICX OPEMt;:0 ;t1T;;
EL e r
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g 7
- -. . . , . 0. ,
AIR GAP /
I NSULATION (y ' 6 4 , ,
7~7 ' l
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i 18"
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RECEIV ER VESSEL
, l (
4
'2 10FT LONG . . . .
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y # 6 i i /
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l #, '-" '5 I FT DI ANETER p /
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- STAI NLESS TUSI NG y Il IdAT TRACED &
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' 53Q ORAIN VALVE T-T5 g
- THERMOCOUPLE 3 ICE BASXET SUPPC#,T Pg* P g - PRES 3URE TRANSDUCERS STOOL Figure i Autoclave Test Facility Schematic A-11
RP 2125-1 DATA SHEET Page 8 of 8 Rev. 2 TEST NO.
DATE AUTOCLAVE WEIGHT OF WATER IN AUT0CLAVES PRESSURE (P7) Serial No.
TEMPERATURE (Autoclave) (Piping)
BASKET SHIELDING MATERIAL & THICKNESS SHIELDING MATERIAL CONFIGURATION SHIELDING MATERIAL PRE-TEST WEIGHT TARE WEIGHT ICE WEIGHT (PRE-TEST)
ICEWEIGHT(POST-TEST) i l RECEIVER VESSEL l
l PEAK TOP P.S.I. (Pg) Serial No.
PEAX BOTTOM P.S.I.(Pg) Serial No.
WEIGHT OF WATER (POST-TEST)
MAX. TOP *F (TI)
MAX. MIDDLE *F (T3)
MAX. MID. BOT. *F (T4) .
MAX.' BOTTOM *F(T5)
PREPARED BY: DATE VERIFIED BY: DATE A-12
l I.,-.-*,
~,m .p. , ,s Appendix B TEST DATA The results of the preliminary and reference tests are summarized in Table B-1, which is followed by the data sheets from these tests. The results of the plastic film tests are summarized in Table B-2, again followed by the appropriate data sheets. These data are presented graphically in Figures B-1 through B-3.
Chemical and radiological analysis data are given in Tables B-3 and B-4.
1 1 'l 4
B-1
a Table B-1
SUMMARY
OF PRELIMINARY AND REFERENCE. DATA (UNSHIELDED ICE 8ASKETS)
Test Number Parameter Preliminary 9 Preliminary 10 Preliminary 11 6 Date 9/20/82 9/21/82 9/22/82 9/28/82 Boller autoclave 10.0 10.0 10.0 10.0 Water weight (1b) 1200 1200 1200 1200 Pressure (psig) 580 580 581 580 Temperature (*f) i Ice basket Initial ice weight (1b) 148.5 149.9 148.3 146.5 Final ice weight (1b) 133.8 134.4 130.3 126.9 Melted ice weight (1b) 14.7 15.5 18.0 19.6 Receiver vessel Peak pressure (psig) 7.5 7.2 7.4 7.6 Recovered water (1b) 21.2 23.1 26.5 28.2 Lost water (1b) 3.5 2.4 1.5 1.4 Maximum temperature and time (*F, sec)
Top 75.2 9 4.1 69.8 9 6.2 57.2 0 8.1 35.6 @ 10.3 Midtop 141.8 @ 7.8 132.8 @ 9.6 149 0 7.9 44.6 @ 11.2 Middle 228.2 0 7.0 222.8 9 8.7 222 0 7.5 132.8 9 10.7 Midbottom 235.4 0 6.4 231.8 9 4.8 235.4 0 7.8 197.6 @ 10.0 Bottom 249.8 @ 4.4 249.8 @ 5.5 251.6 @ 7.8 203 9 8.8 Peak pressure time (sec) 4.0 3.5 3.0 3.4
_ . RP 2125-1 DATA SHEET
' 4 V 7 r.
, TEST NO. Be/f',,mo y M9 DATE ~ 9 ,)d ,2 AUTOCLAVE-WEIGHT OF WATER IN AUTOCLAVES /C.o /de PRESSURE (P7) /Md M6 Serial No. S/d 37 TEMPERATURE (Autoclave) ggg*p (Piping)3f3p #
BASKET
' SHIELDING MATERIAL & THICKNESS A>/A
/
' SHIELDING MATERIAL CONFIGURATION ///A SHIELDING MATERIAL PRE-TEST WEIGHT' /4 TARE _ WEIGHT M,> 24,r
.ICEWEIGHT.(PRE-TEST) / 79.1 /.4s /.7/e N Gsr #e:#)
ICEWEIGHT(POST-TEST) //o3.S Zdr. [de fors/i> )
RECEIVER VESSEL PEAK TOP P.S.I. (P ;) 7,f p5fg Serial No. g;g. 7g2 PEAK BOTTOM P.S.I.(Pg) 7, f /Y// Serial No. (,6703
- WEIGHT OF WATER (POST-TEST) c2 /, 2 /_.4 g MAX. TOP *F (T1) 75 A.op MAX. MID. TOP *F'(T2) /<//. 9#p MAX. MIDDLE *F (T3) Mg,2 p #
MAX MID. BOT. *F (T4) . A35- y#p '
MAX. BOTTOM *F (T5) 2 </j', BdP PREPARED BY: ['E M DATE!/hA VERIFIED BY: <
[ M+ DATEf/.z4 v -
B-5
RP 2125-1 l DATA SHEET n-e u TEST NO. Gedlnbaw N/6
/
DATE 9-J/-A,2 AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES /d.C //,e PRESSURE (P7) /20 g Serial No. 5/o37 TEMPERATURE (Autoclave) gggog (Piping) 3/ro ep BASKET SHIELDING MATERIAL & THICKNESS d/A SHIELDING MATERIAL CONFIGURATION /A SHIELDING MATERIAL PRE-TEST WEIGHT 4//M TARE WEIGHT J24 ? /Js ICE WEIGHT (PRE-TEST) /?9 A 24< /ITre / 6147-5)
ICE WEIGHT (POST-TEST) /6M / 145 [frer-67fh-f)
RECEIVER VESSEL PEAK TOP P.S.I. (Pg) 7,2 ps/g. Serial No. (, g, 7 g 2 PEAK BOTTOM P.S.I.(Pg) 2 .1 PS/g. Serial No. (,4 Jg z WEIGHT OF WATER (POST-TEST) 23,/ /lr MAX. TOP *F (T1) 4, 9, #6 p MAX. MID. TOP *F'(T2) /3,2,6"p MAX. MIDDLE *F (T3) M2 ##
MAX. MID. BOT. *F (T4) c;.3/,s#p MAX. BOTTOM *F (TS) .2 M G '#
PREPARED BY: /(N DATE 3'5'[F;.
VERIFIED BY: [/ e<__ DATE9/v/
/ '
B-6
RP 2125-1 l DATA SHEET u ,a TEST NO.
& fe m 7 N/ /
DATE 9e2.2-SA AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES / 4 . d 4 (3 5 PRESSURE (P7) /Mo PS/g Serial No. S/d3 7 TEMPERATURE (Autoclave) gg/op (Piping) y/3 0,c BASKET SHIELDING MATERIAL & THICKNESS 4//4 SHIELDING MATERIAL CONFIGURATION A//c SHIELDING MATERIAL PRE-TEST WEIGHT A/[A TARE L'IIGHT J21, ? 14 s ICE WEIGHT (PRE-TEST) / 7B. d //,.c / Ile f &rh /
ICE WEIGHT (POST-TEST) / /ad, d 44s
[def6/r#6b)
RECEIVER VESSEL PEAK TOP P.S.I. _(Pg) 7,M ppg Serial No. g, g, y u PEAK BOTTOM P.S.I.(Pg) pe er ,rmgo Serial No. g,d, 2d _ 2, WEIGHT OF WATER (POST-TEST) c2(3,5 445 MAX. TOP *F (T1) 57,,1op MAX. MID. TOP *F-(T2) /f,0# p MAX. MIDDLE *F (T3) hd ##
MAX MID. BOT. *F (T4) .2 3fc/dp MAX. BOTTOM *F (TS) M/, //P PREPARED BY: [6 DATEh?b,1 VERIFIED BY: 4 [ [ DATE 9h z.
" 'V B-7
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. DATA SHEET TEST NO. (o DATE 9-J6 -h AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES /d,d 255 _
PRESSURE (P7 ) /m og Serial No. S/d3 7 TEMPERATURE (Autoclave) gp p p (Piping)3ggen BASKET SHIELDING MATERIAL & THICKNESS #/5 SHIELDING MATERIAL CONFIGURATION N/)
SHIELDING MATERIAL PRE-TEST WEIGHT A/M TARE WEIGHT cAf,4/ 24s
.ICEWEIGHT(PRE-TEST) / 7d 7 L4e ICEWEIGHT(POST-TEST) /SI./ 241 RECEIVER VESSEL PEAK TOP P.S.I. (Pg) ~J, (o prfg Serial No. g,g /42 PEAK BOTTOM P.S.I.(Pg) 7, (, pseg Serial No. (g6 )g3
, WEIGHT OF WATER (POST-TEST) 22.2 /le MAX. TOP *F (Tl) 24 4,*p MAX. MID. TOP *F (T2) e/c/. 6# F MAX. MIDDLE *F (T3) / 3 ,2, 8# #
MAX. MID. BOT. *F (T4) / f 7. //f MAX. BOTTOM *F (T5) ,2g3 o ##
PREPARED BY: 59 -
DATEh VERIFIED BY: / d g DATE d/[
[ f.A,s / /
B-8
RP 2125-1 ]
DATA SHEET TEST NO. R DATE 9-J 3 -BA l
AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES /d.d /4 e PRESSURE (P7) /M psfg Serial No. g/g3 y .
TEMPERATURE (Autoclave) _ 5Boep (Piping);go#p BASKET SHIELDING MATERIAL & THICKNESS /dxw(<uumse- 5. do /5- "
SHIELDING MATERIAL CONFIGURATION Grre ></#4 ppsee SHIELDING MATERIAL PRE-TEST WEIGHT' i -TARE WEIGHT A9, ~7 4/.,3 ICE WEIGHT (PRE-TEST) / BG.A W / Ice 3/%p,/, c/- )
ICEWEIGHT'(POST-TEST) / 76. Y LSs (Ice /&.r#,Fr#<4,)
RECEIVER VESSEL PEAK TOP.P.S.I. (P ;) cf, g- py,s. Serial No. g,;da PEAK BOTTOM P.S.I.(Pg) 9. ( M/6 Serial No. (,[7g z WEIGHT OF WATER (POST-TEST) /5',6 4/> s MAX. TOP *F (Tl) 534 op MAX. MID. TOP *F (T2) ,
/g/, pop MAX. MIDDLE *F (T3) J24'o.o @
MAX. MID. BOT. *F (T4) A3g #p MAX.IBOTTOM *F (T5) <2626# F PREPARED BY: [ff d i DATEN'ex VERIFIED BY: f[M#E f--y DATE @I d B-ll
, RP 2125-1 l
DATA SHEET '
es TEST NO. 3 DATE 9- M -B _1 AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES /C.C /le
- PRESSURE (P7) '2o
/ jasec. c Serial No. ,5/o37 TEMPERATURE (Autoclave) g*/::. (Piping) 34s
/oA BASKET SHIELDING MATERIAL & THICKNESS e:(emyt Ceautors - doo/T #
SHIELDING MATERIAL CONFIGURATION Jawwat />Nsa SHIELDING MATERIAL PRE-TEST WEIGHT' O. 3d 26s TARE WEIGHT c2 9, ~) /4s ICEWEIGHT(PRE-TEST) / S3, f'z4-(Ide ref44r eX,)
ICEWEIGHT(POST-TEST) /?>. 7 26c, [,dee 4 #eXe AK )
RECEIVER VESSEL PEAK TOP P.S.I. (Pg) 9 f gfg Serial No. g,g 7g2 PEAK BOTTOM P.S.I.(Pg) 9. f Aseg Serial No. 66 jg 3 WEIGHT OF WATER (POST-TEST) /8,/ ifs,
. MAX. TOP *F (Tl) o,o xer ahao MAX. MID. TOP *F (T2) Aff, g ",c MAX. MIDDLE *F (T3) c20/ c1df MAX. MID. BOT. *F (T4) - c243,6 *sc MAX. BOTTOM *F (TS) dodd # F _
PREPARED BY: b DATE f-2s/-ff VERIFIED BY: ct [ DATE,9h/h B-12
RP 2125-1 DATA SHEET TEST NO.
DATE l_ 9-AT-R1 gt0 CLAVE WEIGHT OF WATER IN AUTOCLAVES /6. d 44s PRESSURE (P7) /Mo Mg Serial No. S/g3 y TEMPERATURE (Autoclave) gp3gog (Piping)3Sy *p BASKET SHIELDING MATERIAL & THICKNESS Mkeysov>er e a xfre - 6,6 d.2o "
SHIELDING MATERIAL CONFIGURATION Extryw_ 4//F w ea SHIELDING MATERIAL PRE-TEST WEIGHT d,3d /fs TARE WEIGHT ,29,el 44 _
ICE WEIGHT (PRE-TEST) /87,7 Zh Il?e %c4;-r'r AA)
ICEWEIGHT(POST-TEST) //o7 8 lls / & r-/ b e A A E 8 /m )
RECEIVER VESSEL PEAK TOP P.S.I. (Pg) -),J' P&S Serial No. (f(c 74,1 PEAK BOTTOM P.S.I.(Pg) ~7,f ps/g- Serial No. y hg 3 WEIGHT OF WATER (POST-TEST) c2 9. d //,s, MAX. TOP 'F (T1)
. & er #ccao
. MAX. MID. TOP *F'(T2) /vg' .o "/:
MAX. MIDDLE *F (73) /Ed7#
MAX. MID. BOT. F (T4). J24/. ,2.#p
' MAX. BOTTOM 'F (TS) c246, fe9 .,
PREPARED BY: _ htu k DATE f-/f:1 VERIFIEDBY:,[ 4 /. d DATEf/4.f$
7 7 i B-13
, RP 2125-1 1 DATA SHEET i
r *% a '
r TEST NO. 6~
DATE 9- A 1 -S_1 AUTOCLAVE !
WEIGHT OF WATER IN AUTOCLAVES /C,6 /.4s .
. PRESSURE (P7 ) /200 ps/g. Serial No. 5/43 j TEMPERATURE. (Autoclave) SBo*4 (Piping) 3 7o #p-
< BASKET j SHIELDING MATERIAL & THICKNESS A y m neur /3xice - 4,OoJo # .
SHIELDING MATERIAL-CONFIGURATION mira4w c z/4/c n ;
' SHIELDING MATERIAL' PRE-TEST WEIGHT d.MS'7 2/::,s !
TARE WEIGHT e219 /As l
. ICE WEIGHT (PRE-TEST) /7/. 9 24e (A r z3,c4Wr 4/, ) .
ICEWEIGHT(POST-TEST) /S2.2 26.5 (.2?e rGr#d 7 AFm) !
RECEIVER VESSEL PEAK. TOP P.S. I. : (Pg) g,5- F5,s Serial No. (og, 742
- PEAK ' BOTTOM P.S.I.(Pg) g,g . pejg Serial No. g,g, '7g g ,
t
. WEIGHT OF WATER (POST-TEST) 2 A, A - /3, _
MAX. TOP 'F (Tl) 4&24 8 i MAX. MID. TOP 'F'(T2) /(,g , eo p ,
MAX. MIDDLE 'F (T3) . /9 -), //p Ao6,/,#p
~
MAX. MID. . BOT. 'F (T4) dos .//-
~
, MAX.' BOTTOM.*F (TS) l- -
PREPARED BY: /8 DATE!$7It VERIFIED BY: A ,#/ DATEf///4 B-14
. . . - _ - =-_ - -
)
. 1 DATA SHEET l TEST NO. ~/
DATE /d - V-B A AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES /d.O L4e PRESSURE (P7 ) /, too ps,g. Serial No. Sy 2, y TEMPERATURE: (Autoclave) 57epop (Piping) y/f;c BASKET SHIELDING MATERIAL & THICKNESS //kun 6tuaric - 0, d da /
SHIELDING MATERIAL CONFIGURATION M/rramt uwe SHIELDING MATERIAL PRE-TEST WEIGHT TARE WEIGHT . M o (6 s ICE WEIGHT-(PRE-TEST) /') 5~ 5 L4 e (re,. r /64A /;L )
ICEWEIGHT(POST-TEST) //o /. 3 /.4 s (Ee /-654-f r AVm)
RECEIVER VESSEL PEAK TOP P.S.I. (Pg) ?, (,, p3fg. Serial No. r,g, 762 PEAK. BOTTOM P.S.I.(Pg) 94, PS/g. _ _ _
Serial No. (,(,Jg)2 3
--WEIGHT OF WATER (PDST-TEST) .2 3,(, z /,r_
. MAX. TOP .'F (T1) rol g, #p MAX.-MID.~ TOP *F (T2) .
20/,2dp
! MAX. MIDDLE *F (T3) . @ 8. 9 0F MAX. MID. BOT. 'F (T4) . ,;1/ -), 4., top MAX. BOTTOM 'F (TS) P2/J,4# 8 PREPARED BY: /#Nd DATE'k //
VERIFIED BY: /f & - DATE4 N'$
< +
B-15
., RP 2125-1 DATA SHEET TEST NO. A DATE~ e-5-8 A AUTOCLAVE WEIGHT OF WATER'IN AUTOCLAVES /d. d d, s PRESSURE (P7) /Md pseg Serial No. .5/d 3 y TEMPERATURE (Autoclave) gy(fp (Piping)33fp BASKET SHIELDING MATERIAL & THICKNESS /?munee Owcr- 4/E35" SHIELDING MATERIAL CONFIGURATION wrmt /mer
~
SHIELDING MATERIAL PRE-TEST WEIGHT TARE WEIGHT c29.9' 46e ICE WEIGHT (PRE-TEST) /757 L/,r / Ice r(br#re r4/m )
ICEWEIGHT(POST-TEST) //o O /dr [Se rae#e/r A )
RECEIVER VESSEL PEAK TOP P.S.I. (Pg) /6. # Pse6 Serial No. (pg, 70 2 PEAK BOTTOM P.S.I.(Pg) /4, A /3/g. Serial No. (,6 7g 3 WEIGHTOFWATER(POST-TEST) d/,,'l L4c MAX. TOP *F (Tl) 7e/ 3d /
MAX. MID. TOP 'F'(T2) ;1/;t.oo p MAX. MIDDLE *F (T3) Jog,e, lop _ _
MAX. MID. BOT. *F - (T4) ,~2J A z/0 F MAX. BOTTOM *F (TS) 2/3, 8'A PREPARED BY: /d/[ME DATE /t[(4t.
VERIFIED BY: 4 8 DATE/v.r/4
.g /
B-16
RP 2125-1 4
DATA SHEET
-r :
TEST NO. 9 DATE /d h AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES /do 4/,e PRESSURE (P7) /hd Pr/6 Serial No. S7637 TEMPERATURE (Autoclave) ggf p. o (Piping)Je/3%
8ASKET SHIELDING MATERIAL & THICXNESS pe yemyw oc dxe ac - d 0635 #
SHIELDING MATERIAL CONFIGURATION Extree m udew/P SHIELDING MATERIAL PRE-TEST WEIGHT d. B 7 /lr TARE WEIGHT 3 d.d G 5 ICE WEIGHT (PRE-TEST) /Bea ~7 LSr (Ile r6f476 44 )
ICEWEIGHT(POST-TEST) / 66. > 25 5 Ge f Zbe#c-7' M%.
RECEIVER VESSEL PEAX TOP P.S.I. (Pg) gr py/6 Serial No. g 7o g _
PEAX BOTTOM P.S.I.(Pg) B, r ps/g Serial No. GG 2d3
. WEIGHT OF WATER (POST-TEST) R /. 7 L$s MAX. - TOP *F (T1) g , 4 op MAX MID. TOP *F'(T2) ,
go/.Jop MAX. MIDDLE *F (T3) ,2Og, dog MAX. MID. B0T. *F (T4) Rog, L/ep MAX. BOTTOM *F (T5) A/3,8*p PREPARED BY: /j M ( M DATEl0I[gA VERIFIED BY: 'tw//, DATE /s-SVz
/ w .
B-17
. RP 2125-1 DATA SHEET c
TEST tl0. /d DATE /d-? --# A.
-AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES /6.6 44r PRESSURE __(7 P) /hd ps/h Serial No. 6/d3 -)
TEMPERATURE (Autoclave) S goop (Piping)
BASKET SHIELDING MATERIAL & THICKNESS Remwxw4*e_ 6edw-Sower } - d.004/#
SHIELDING MATERIAL CONFIGURATION Jomvwn /_/or e
~
SHIELDING MATERIAL PRE-TEST WEIGHT' TARE WEIGHT. '6df) 44s ICE WEIGHT (PRE-TEST) / 7.3, M 14e (I/r eouAh 4/m )
ICEWEIGHT(POST-TEST) //N 7 L65 - [f/c r6Mr 8 )
RECEIVER VESSEL .
PEAK TOP P.S.I. (Pg) //(o ng Serial No. GG 762 PEAK BOTTOM P.S.I.(Pg) / / (o pgfp Serial No. (,6 7g 3 WEIGHT OF WATER (POST-TEST) / 7,3 zfs
/ 36, Aop MAX. TOP *F (Tl)
-MAX. MID.-TOP *F'(T2) .
) /3,9 op MAX. MIDDLE *F (T3) 2/3,9 OA MAX. MID. BOT. *F (T4) J143,6 8 MAX.-BOTTOM *F (TS) cRo3,6 @ _
. .t PREPARED BY: A@ [/r4XY DATE /o-Afr.
VERIFIED BY: Mc DATE/e#&
c c-v B-18
RP 2125-1 DATA SHEET nv-TEST NO. //
DATE ' //J -B -/L.t AUTOCLAVE WEIGHT OF WATER IN AUT0CLAVES /M,6 Zfe PRESSURE (P7) /Wo pgfg Serial No. so37 TEMPERATURE __ (Autoclave) S8d'p (Piping) 35/g#p BASKET SHIELDING MATERIAL & THICKNESS 4#fra Gumore - //mv //#a<:<sm-SHIELDING. MATERIAL CONFIGURATION Swa 44rro esem SHIELDING MATERIAL PRE-TEST WEIGHT ^ / c$ur TARE WEIGHT M.d zhs-ICE WEIGHT (PRE-TEST) /B S.7 /sr /22- r Ar4We 44 )
ICEWEIGHT(POST-TEST) / 6 '/,7 uos G, r o cur 44, RECEIVER VESSEL PEAK TOP P.S.I. (Pg) 7,2 ogf g Serial No. (o g m 2 PEAK BOTTOM P.S.I.(Pg) -),A /wg_ Serial No. (,.(e 7 6 3 WEIGHT OF WATER (POST-TEST) A1,f 24r MAX. TOP *F (Tl) grroop
~
MAX. MID.-TOP *F (T2) ///.2.d/
MAX. MIDDLE *F (T3) /g3. 2# P MAX. MID. BOT. *F (T4) /pg,</op MAX. BOTTOM *F (TS) / 92(o#P PREPARED BY: /[h DATE/k VERIFIED BY: g DATE e da p W B-19
RP 2125-1 DATA SHEET g-TEST NO. /c2 DATE. /d - //-8A AUTOCLAVE
-WEIGHT OF WATER IN AUTOCLAVES /6. 6 //,e i PRESSURE' (P7) / M o h d. Serial No. 5/dj7 TEMPERATURE (Autcclave) JBdf-- (Piping)3pjp#p ,.
BASKET
- SHIELDING MATERIAL & THICKNESS Acyovvva dx,a - d.ma5 "
SHIELDIhG MATERIAL CONFIGURATION tm 24 c wama SHIELDING MATERIAL PRE-TEST WEIGHT TARE WEIGHT J9,7 /.45
~ICEWEIGHT(PRE-TEST) /BA t/ /_4e (Se76r#efr-4/.,)
ICEWEIGHT(POST-TEST) /76,,2.24r be/or/6N#4.,
RECEIVER VESSEL PEAK TOP P.S.I. (Pg) 8.t/ ps,g Serial No. /oG 762 PEAK BOTTOM P.S.I.(Pg) 6.</ ps/g Serial No. (,6 7d 3 WEIGHT OF WATER (POST-TEST) c;t/5 /./.r.
MAX. TOP 'F (T1) 3&o dp
. MAX. MID. TOP 'F'(T2) / Ad, d"#
MAX. MIDDLE *F (T3) Jd3, o##
MAX MID. BOT. 'F (T4)'. elo3,4 #
MAX. BOTTOM _'F (TS) c268.Y##
-PREPARED BY: /'// M [i #
DATE '
[ VERIFIED BY: c.
en z DATE -
B-20
RP 2125-1 DATA SHEET 74 TEST NO. /3 DATE- / o -/2-M ,L r
AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES _
/d,d LSr PRESSURE (P7 ) /Jdd Asia Serial No. .5/d3 7 TEMPERATURE (Autoclave) 58/[A (Piping) e299#A BASKET SHIELDING MATERIAL & THICKNESS Enycr/w.us dwor - d.dd 3S" SHIELDING MATERIAL CONFIGURATION _ Torre 2.wsn 4
SHIELDING MATERIAL PRE-TEST WEIGHT M. 80 z/,e TARE WEIGHT .76,6 dr ICE WEIGHT (PRE-TEST) O d./ -24r Ge Mr#er' f #>(., )
/J 1,M 26s ICE WEIGHT (POST-TEST)
[Im / terfo/r 4%)
~ RECEIVER VESSEL PEAK TOP P.S.I. (Pg) Sd Serial No. rg 762 PEAK BOTTOM P.S.I.(Pg) 94/ Serial No. 4 g, 7e WEIGHTOFWATER(POST-TEST) /9/ 4/,c MAX. TOP 'F (T1) S7, > #F
a /J. o #f MAX MIDDLE *F (T3) 2 /d, o ##
MAX. MID. BOT. 'F (T4) ;1/) d# p ,
f MAX. BOTTOM.*F (TS) J/?.o##
~ '
PREPARED BY: [ -~~-
DATE'h/e VERIFIED .RY: DATEArI/2.
f
(/ VV / /
B-21
, RP 2125-1 DATA SHEET i yg.I'
/
TEST NO. /e/
DATE /d -/3 -B1-AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES /4.d 445 PRESSURE (P7) /Mo psf g. Serial No. S/d3 7 TEMPERATURE (Autoclave) ggo cp. (Piping)3 98p
_ BASKET
,f SHIELDING MATERIAL & THICXNESS fik w w Guazarc -
- d. 40.2/
SHIELDING MATERIAL CONFIGURATION ferewsz /r/w ag SHIELDING MATERIAL PRE-TEST WEIGHT TARE WEIGHT e21. 'l /l5.
163,A I4r
' ICE WEIGHT (PRE-TEST) (Ice r-(k d 7'r n ,}
ICE WEIGHT (POST-TEST) /66. M 245
(.l2e r br47' e 4/m)
(
i RECEIVER VESSEL
~
' PEAK' TOP ' P.S . I . (Pg) g._3 Serial No. 497g2
. PEAK BOTTOM P.S.I.(Pg) 8.3 Serial No. Gd. 7d 3
~
WEIGHT OF WATER (POST-TEST) -U,8 24r MAX : TOP 'F (T1) D.6 # #
^
MAX. MID. TOP 'F (T2) / fd. </#E MAX. MIDDLE *F (T3) e2/dO# #
MAX. MID. , BOT. 'F (T4) 20.d #
MAX. BOTTOM *F (TS) 2/d.4 P PREPARED BY: /7 b 4 #
DATE/o/s; l- VERIFIED BY: .c M DATE /,o/g42.
~ a. ,
B-22
. -. . .. .-. u - . . . . - . . _ . . - . . - . , . . . - - - - . . - .
RP 2125-1
,.7 ,
x -
nc ,-
, DATA SHEET
.Ak-eTEST NO.- ' = /6 -
DATE
" /o-/3 -B.:t AUTOCLAVE WEIGHT OF WATER IN AUTOCLAVES /6.0 24r PRESSURE (P7) /,24 6 afg Serial No. S/d3 7 TEMPERATURE _
(Autoclave) Sg/ % (Piping) 562b BASKET -
SHIELDING MATERIAL & THICKNESS A y w ye r w ' door d CS,.2 "
SHIELDING MATERIAL C'ONFIGURATION f a ,e w t v o ger,e
.SHIELDINGMATERIAliFRE-TESTWEIGHT -
TARE WEIGHT- do.d d,5 ICEWEIGHT'(PRE-TEST) /AJ,/ L4e (rfe-r&d,9/%.)
~ ICE WEIGHT (POST-TEST) M3,'l 24r die e dvd / / E4.,
c
- =.
..._,4 RE'CEIVER' VESSEL '
hEAK TOP 'P;S.I. -(Ps) ' 75 ps/g Scrial No. g 79 PEAK BOTTOM P.S.I.(Pg) 75psy Serial No. 6g hga
~
WEIGHT OF WATER (POST-TEST) cM, V 7zhs s
7 ~
- - .] MAX. TOP. *F (Tl } -
1 4/gG op MAX,,MID. TOP'F:(72) /2,6 F #
a MAX. MIDDLE 'FlT3) e20'/ff#
I l MAX. MID. BOT. 'F (T4) _
k g,f # p
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,207,fM PREPARED BY: /f DATE9bMk
/
( M VERIFIED BY: d DATE/#4 4 y,p ,-
y; , . _ . _
10 60 8 -
- W-9-g o e e. -
50 y 3 g 6 - -
O b $ $
Za o O 9 9 0 8 --8 40 -
g g g e
a y
. e
$ 4 -
30 a
- E d' 20 E
0 PRELIMINARY TEST 9 -
o PRELIMINARY TEST 10 I ~
O PREllMINARY TEST 11 I - 10 g e TEST 6 0
f l l l l l l l l l l l l l l } l l l ! 0 0 2 4 6 8 10 12 14 16 18 20 Tl ?E (sec)
Figure B-1. Reference Tests Pressure Transient Comparison (Unshielded Ice Basket) i
5 s/
4 s
& F TEST 2
/
j--1.E MIL (0.038 i.im) METHYL CELLULOSE 10 -
EXTERNAL WRAPPER-.
- j. ),
60 8 -
} f 50 S .
=
c,o W
cc p
'/ - '-- ,,- %
a.
l l ~~~~"~'" ~-~~ ---
- 40 ;
e .
/ -
e f a E REFERENCE CURVE 6 0 $
30 W a E l4 -
20 I
2 I -
10 0 l I I I I I I I I o 0 2 4 6 8 10 12 14 16 18 20 TIME (sec)
Figure B-2. Pressure Transient Comparison -- 1.5-mil (0.038 nun)
External Methyl Cellulose Shielded Versus Unshielded Ice Basket
12 TEST 3 to --. -
70 15 MIL (0.038 mm) METHYL CELLULOSE INTERNAL LINER 8 -
3 ~~- -
50
~
E #
%'==. , _
co m %m*% $
G -
%~~. .-
~~~~~~. -
40 E
$ REFERENCE 3
[ CURVE $
4 -
30 E 20 2 -
10 0 l 0 .
0 2 4 6 8 10 12 14 16 18 20 j TIME (sec)
Figure B-3. Pressure Transient Caparison -- 1.5-mil (0.038 mm)
, Internal Methyl Cellulose Shielded Versus Unshielded Ice Basket i
o ,
1 12
~10 -
2.0 MIL (0.051 mm) POLYETHYLENE OXIDE EXTERNAL WRAPPER (TEST 4) -
60 a _
} ,- ~~. % -
50 m
3 m
$ 6 -
_~~~,O ~
_~~-
2 a -
40 m W =
2.0 Mll (0.051 mm) I E REFERENCE 3 POLYETHYLENE OXIDE CURVE g
4 - EXTERNAL WRAPPER (TEST 15) -
30 g 20 O TEST 4 0 TEST 15 10 Y
0 l l l l l l l l 0 0 2 4 6 8 10 12 14 16 18 20 TIME (sec)
Figure B-4. Pressure Transient Comparison -- 2-mil (0.051 m)
External Polyethylene Oxide Shielded Versus Unshielded Ice Basket t a
12 TEST 5 10 -
70 2 0 Mll:(0.051 mm) POLYETHYLENE OXIDE INTERNAL LINER 60 8 -
3 """= 50 2 s'
$ '~~~. b m / '*% W i m m 6 - / %'*=._ j h h w
REFERENCE CURVE o' ' - N 'N -7O $
y E '
30 20 4
[r 2 -
10 i
j 0 l I I I I I I I I o 0 2 4 6 8 10 12 14 16 18 20
! TIME (sec) i Figure B-5. Pressure Transient Comparison -- 2-mil (0.051 mm)
Internal Polyethylene Oxide Shielded Versus Unshielded Ice Basket
i o.
cr 12 TEST 7 2.1 MIL (0.053 mm) METHYL CELLULOSE INTERNAL LINER 70
~
8 -
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a 4 -- -
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, I 10 0 ! ! l l l l l l l l l l l l l l l l l 0 2 4 6 8 10 12 14 16 18 20 1
TIME (sec)
Figure B-6. Pressure Transient Comparison -- 2.1-mil (0.053 nm)
- Internal Methyl Cellulose Shielded Versus Unshielded Ice Basket
i lll ll ill gb$@BE f 0 0 0 0 0 0 0 6 5 4 3 2 1
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REFERENCE *===--- O. , , , , - -
m g CURVE _ _ 40 w \ D E L .53 MIL (0.089 mm) $
POLYETHYLENE OXIDE -
30 E 4 -
o-EXTERNAL WRAPPER (TEST 12) 20 2
10 o l I I I I I I I I I I I I I I I l l I O O 2 4 6, 8 10 12 14 16 18 20 TIME (sec)
Figure B-8. Pressure Transient Comparison -- 3.5-mil (0.089 m)
External Polyethylene Oxide Shielded Versus Unshielded Ice Basket
.I
.'$ I 9
10 , 70 TEST 11 60
'B -
REFERENCE CURVE p # '*% %
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$ SPRAY COAT APPLICATION $
@ 4 -
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- a. n-I l
20 2
- - 10 1
0 l ! ! ! ! ! ! ! 0
) 0 2 4 6 8 10 12 14 16 18 20
. TIME (sec)
Figure B-9. Pressure Transient Comparison -- Methyl Cellulose j Spray Coated Versus Unshielded Ice Basket 4
i
12 TEST 14 10 - -
70 2.1 MIL (0.053 mm) METHYL CELLULOSE EXTERNAL WRAPPER 60 8 -
3
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Figure B-10. Pressure Transient Caparison -- 2.1-mil (0.053 nm)
External Methyl Cellulose Shielded Versus Unshielded Ice Basket
ll
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. TEST 10 - ADDITIONAL TEST FOR )
COMPARISON PURPOSES j 10 --
70 4.0 MIL (0.10 mm) INSOLUBLE (COMMERCI AL)
FOLYETHYLENE INTERNAL LINER -
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, 0 0 0 2 4 6 8 10 12 14 16 18 20 TIME (sec) i Figure B-12. Pressure Transient Comparison -- 4.0-mil (0.10 mm)
Internal Polyethylene Shielded Versus Unshielded Ice Basket
c .
Table B-3 SAMPLE ANALYTICAL DATA Unirradiated Samples At Room Temperature At 180*F (82*C) _ At 200*F (93*C) Irradiated Samplesa Chloride Dissolve Chloride Dissc1ve Chloride Dissolve Chloride Solidsb Sample __(ppm) Time (min) (ppm) Time (min) (ppm) Time (min) __(ppm) (%)
QUIK-SOL P' polyethylene oxide, 1.5 mils (0.038 mm) 350 >15 400 >15 500 >15 400 0.022 EDISOL M methyl cellulose, 2.1 mils (0.053 mm) 1000 <15 800 <15 1100 <15 1200 0.029 T
tj QUIK-S0L P polyethylene oxide, 2.5 mils (0.064 mm) 700 >15 400 >15 650 >15 600 0.057 QUIK-SOL P polyethylene oxide, 3.5 mils (0.089 mm) 450 >15 500 >15 600 >15 600 0.056 Methyl cellulose aged for 10 years 1000 <15 500 <15 700 >15 900 0.045 aj o6 rads bFrom centrifuge G 4
c .,
Table B-4 RESIGUE AND CHLORIDE CONTENT FROM BASKET TEST Test Weight of Solfds Chloride in Total Chloride.
Sample Date Residue (q) Residt+ (%) Dried Residue (ppm) in Residue (ppm)
Polyethylene oxide 10/5/82 0.5938 0.22 157 645 Polyethylene oxide '10/5/82 0.1886 0.08 789 2500 Polyethylene oxide 10/5/82 1.3586 0.63 -174 431 (from stirred drain water sample) a3 Polyethylene oxide 10/5/82 .0.2830 0.11 166 552 Jo (from stirred drain water sar..ple)
- g.
Attachment 3 Effect of Water Soluble Plastic Wrap on the Short-Term Containment Analysis for the Catawba Nuclear Station In an ice condenser ccetainment, one operational problem that exists is the sublimation of ice in the ice baskets. Due to the high heat load on the row of ice baskets nearest to the crane wall, this row of baskets experiences sublimation rates of about 5% a year. One method to eliminate ,
this problem would be to wrap the ice with a soluble plastic film.
One effect of this plastic film is that the ice condenser perfonnance for the first.few seconds following a high energy line break will change. Thus, the short-term subcompartment pressure analysis will be affected. This study was done-to detennine the effect of wrapping one third of the ice condenser with a water soluble plastic.
In a review of the short-term subcompartment analysis for Catawba Units 1 and 2, it was determined that a Double-Ended Cold Leg (DECL) break in compartment 1 was the worst case. The design criterion for this analysis lis'that the peak pressure against the containmant shell cannot exceed the design pressure of 15 psig.
LThree sensitivity studies were done to bound the effect of the plastic wrap on the peak pressure against the containment shell. The first sensitivity study assumed that there was no heat transfer from those ice baskets which were wrapped. Thus, the effective heat transfer area was reduced by one third. The TMD computer code, which was used in the original FSAR analysis, was used with the only change from the FSAR. case being.the reduced heat transfer area. A comparison plot of pressure versus time for a compartment located'against the containment shell is shown in Figure 1. This figure shows that the reduced heat transfer causes the peak pressure to rise about 1 psi and that the pressure remains below design.
Tne second sensitivity study was to determine the effect of increasing the empirical coefficient, ELJAC. This parameter is a pseudo-condensing length resistance. The~ resistance through the wrapped ice condenser section is assumed to be infinite. Therefore, the value of ELJAC will be increased by 1.5. Figure 2 shows the pressure transient against the containment shell for this revised ELJAC. This figure shows that the peak pressure is 28 psia which is below the design pressure.
The third sensitivity study was just a combination of the first two sensitivity studies. This had to be done since the ELJAC parameter was determined empirically and may be a function of the heat transfer. Therefore, this case should be the most appropriate case. Figure 3 shows a comparison of the pressure transient for this case to the pressure transient of the FSAR case. The results show that the peak pressure is still below design pressure.
Therefore, since all of the sensitivities showed a peak pressure below the design pressure, the idea of wrapping one third of the ice condenser with a soluble plastic wrap does not present a problem with any containment design
. pressure criteria. This analysis will allow the wrapping of any three of the i nine rows in the ice condenser.
v Figure 1. Reduced Heat Transfer Area
, Pressure Transient , ., , ,
- 30. 0 --
I
. _ Reduced H.T.<
Area m% ' FSAR 2 -
Oi E -
E 20.0 m
, y .
- a. .
a h '
S .
10.0 0.0 1.0 - 2.0 3.0' TIME (SEC)
CATAWBA NUCLEAR ICE CONDENSER PLANT TMD ANALYSIS l COMPARTMENT NUMBER 35 TOTAL PRESSURE i
I l
Figure 2. Modified ELJAC-Pressure Transient '
30.0 7*% Mod. ELJAC
. N. -
. 2 '
f G .
y .
S 20.0 _ _ .. ._
. C .
E .
a '
p .s '
R 10.0 O.0 1.0 2.0 3.0 TIME (SEC) -
CATAWBA NUCLEAR ICE CONDENSER PLANT TMD ANALYSIS
'COMPARTHENT NUMBER 35 TOTAL PRESSURE 4
ene
, . ,-_,, , . .- ,--,r - . - - - - - - - - - , - - , , . , , , - . ,-- ,,,-. ,.,w..-r .-- , ,
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10.0 0.0 1.0 2.0 3.0 TIME (SEC) -
CATAVBA NUCLEAR ICE CONOENSER PLANT TM0 ANALYSIS
_ .. . _ . . COMP ARTMENT NUMBER 35
. TOTAL PRESSURE o
ess - 4.
ATTACHMENT 4 _
" DUKE-6412 CATAWBA-3540 Westinghouse Water Reactor "'88*"8*$ 0""S5" Electric Corporation Divisions 801 355
- .- PatsburgtiPennsytiania 15230
, January 30, 1984
, PWO No. 5 MPS #4100/f35924 S.0. No: DCP-902 Mr. S. K. Blackley, Jr. Ref: CATAWBA-3512,1/18/84 Chief Engineer Mechanical and Nuclear Division Duke Power Company ~ - - -
P.O. Box 33189 Charlotte, North Carolina 28242 .
Attn: D. L. Canup CATAWBA /McGUIP,E NUCLEAR STATION UNITS NUMBER 1 AND 2 Ice Condenser Sublimation Shielding S'p ray Test Report
Dear Mr. R1ackley:
Attached is a_ final test report entitled, " Water Soluble Sublimation Shieldir.g Materia.1 Effects on Containment Spray Systems", January 1984. This effart was completed under contract to Duke Power and reports on the tests conducted for
. determining the acceptability of the coating material for the Ice Condenser Containment ice. As a result of these tests methyl cellulose is shown to be an acceptable coating material. Recommendations are made in the report for
.'mplementation of an anti-foaming material into the containment spray system.
At this time we are enc 1osing only one copy. Upon availability from
- reproduction, additional copies will be transmitted to you. A previous draft copy (January 13,1984) was forwarded to Robert Sharpe to initiate the Duke Power NRC submittal preparation. This submittal to you and the report given in the referenced letter, regarding the containment pressure effects of the sublimation shielding, should allow your completion of a report to the NRC for
! implementing coating of the remaining three rows of ice baskets on Catawba Unit 1.
l t
y y- y- - y -+-si - -
S. K. Blackley. Page 2 Please direct any questions on the attache'd report to Chuck scrabis
~412-374-5578 or this office .
~
Very truly yours, WESTINGHOUSE ELECTRIC CORPORATION F. J. Twogood, Manager Duke Power Projects ICR/cm/58flD':1-Attachment cc: H. Purcell.-ll '
S. K. Blackley, Jr. 6L, lA E. D. Lindsay, IL ur G. W. Hallman, IL R; 0. Sharpe, il : /4 D. L. Canup, IL Ih .
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-~n- - - -
1 TEST REPORT:
WATER SOLUBLE SUBLIMATION SHIELDING MATERIAL EFFECTS ON CONTAINMENT SPRAY SYSTEMS '
- y. --
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Reference:
Duke Power Company General Order I.D. CH-14695 v ._ . . -- -
~
Prepared by: i //Jf/ /
C.k.Scrabis, Engineer Process & Thermal Equipment Engineering ,
Reviewed by: db //2 f/3 '/
1 .n . ue .P . A. Linn, Engineer Operations Safeguards Analysis
/!. A . /
W / .2 f- B y K. A. Kloes, Engineer Process & Thermal Equipment Engineering Il? t. $tAlca&ld 1-75 % -
,, T.Jherlowski, Engineer Fluid Systems Design
_, ~
D(2 .
B. R. Sinwell, Engineer ih%y ~
Test Engineering O Y~ Me / G[8[
. . . , - o :n . . . {.
. laherty,jngiNer Q. A. Test Engineering Approved by: -
'781 'O 'l D. W. Alexander, Manager Process & Thermal Equipment Engineering b uk 6,th/
<- C. E. Conway, /Hanager -
' Test Engineering i 5521Q:lt/012484
- ._ , _ . . _ _ . - _ _ . _ _ - - . _ - . _ . . _ _ - _ . ~ , , _ _ _ . _ . .
.,, c. , . .
CONTENTS Sectica . Page
' ' '- ~ ~
1 ' INTRODUCTION 1-l 2 TEST PLAN DEVELOPMENT 2-1 L
Material Identification 2-1 Test Matrix Development 2-1 3 - SPRAY SYSTEM TYESTIN' 3-1 Facility Preparation 3-1 Testing 3-1 4 DATA EVALUATION 4-1 7 Spray Distribution Pattern Data 4-1 Foam ?henomenon 4 -
Post-Test Examination 4-2 Summary of Test Data 4-3 ,
5 CONCLUSIONS AND RECOMMENDATIONS 5-1 Conclusions 5-1 i
Recommendations 5-1 APPENDIX A TEST DATA A-1 APPENDIX B TEST PLAN B-1 55210:10/012484' '
. Section 1
,~ . -- -
INTRODUCTION
~*
A'll operatiing Ice Condenser Nuclear Power Plants are experiencing a common heat and mass transfer process called the ice sublimation. A 2.5x10 6 lb.
ice inventory, which is stored in 1944 cylindrical perforated sheet metal ice baskets one (1) . foot in dir. meter and 48 feet high, is continuously being depleted. The main mechanisms causing this sublimation are the formation of convective air currents from heat conduction through the ice bed boundaries causing -ice to redistr'abute as frost onto cooled surfaces, and leakage of the
. saturated 1ce bed air .through the lower inlet doors, which is replaced by dry air from the upper plenum area.
0.ne' method of eliminating the. ice sublimation problem is to seal the ice in a vapor barrier medium, such as plastic fila. This has a sigr.ificant drawback, however, in that the film will reduce the rate of heat transfer from the steam to the-ice in the-unlikely event that a LOCA occurs.
A water soluble plastic film material minimizes the heat transfer effect.
This concept has been investigated and proven feasible under a test program '-
sponsored by EPRI in 1982. An unanswered question from that test program was the unknown effects of the dissolved sublimation shielding material, which will be washed down into the containment sump, on the spray nozzles in the containment spray system. These nozzles were selected for study since they
/
~ are the limiting diameter in the Energency Core Cooling System (ECCS).
- It was postulated that if the sublimation shielding material could come out cf solution or if any resulting residue were circulated through the containment spray. system, 'the potential may exist for the material to plug the spray ,
nozzles.-or to reduce the ef fectiveness of the system for long term heat decay removal. -The purpose of the test program described in this report is to determine what possible effects might occur to the containment spray system when a chemical water solution with sublimation shielding material is circulated through it.
l' 5521Q:10/012484 1 -1
Section 2 TEST PLAN DEVELOPMENT M'ATERIAL f]ENTIFICATION Methyl Cellulose and Polyethylene Oxide were tested as sublimation shielding materials in the EPRI sponsored Steam Blowdown Test Program. Only the methyl cellulose material was used in this spray nozzle test program. Polyethylene oxide was' eliminated for several reasons. The EPRI test program had shown that polyethylene oxide would not totally dissolve in water, but would leave a residue of'relatively large sticky particles as compared to methyl cellulose.
Subsequent information research showed that polyethylene oxide film can become insoluble if stressed by heat, radiation, or mechanical working. In addition, the supplier of these sublimation shieldina materials (Polymer Films Inc.')
advised that methyl cellulose has Decome the industry standard for. water soluble plastic flims.
No polyethylene oxide film material has been made by that company for ne6rly a year, and because of the lack in demand, no plans are being made to produce it in the near future. Investigation into other sourccs and users of these types of materials has revealed that no existing
' stocks of polyethylene oxide film material are availab,le for procurement.
TEST MATRIX DEVELOPMENT
~
Spray nozzle tests were performed per the requirements of the Test Plan " Ice
. Condenser / Containment Spray Systems, Water Soluble Plastic Ef fects on Spray Systems," which is furnished as Appendix B of this report. The first test run was to establish the operational performance of the test loop and data acquisition systems. It consisted of operating the test loop for approximately 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />, without chemical additives or methyl cellulose material, and at whatever equilibrium temperature the system established without auxiliary heaters.
Nine (9) subsequent spray tests were conducted using 2.1 lbs. of methyl cellulose-material per each 1000 lbs. of system chemical water solution. The chemical water contained 2200 ppm boron as boric acid, and/or sodium 5521Q:10/012584 2-1
_ _ _ _ _ _ ~ . - , _ _ - -- -
r tetraborate at temperatures of 100*F.145'F, and 190*F. Each test was run
, continuously for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after reaching the required temperature and boron and methyl cellul'ose concentrations. The following identifies the test matrix used for this test program.
Test No. Boron Source Water Temo. Time Duration
~
40000 N/A Ambient 4 hrs.
40001 Boric Acid 100*F 24 hrs.
' ~
40002' "
145'F 24 hrs.
~
400 3'
190*F 24 hrs.
40004 ~ SobiumTetraborate 100*F 24 hrs.
40005 145'F 24 hrs.
40006 "
190*F 24 hrs.
40007 50/50 Boric Acid-Sodium Tetraborate 100*F 24 hrs.
40008 145'F 24 hrs.
40010 "
190*F 24 hrs.
~
5521Q:10/012484 2-2
'.. : )'
- . .,~ .
Section 3
.h ~ S, PRAY SYSTEM TESTING FACRITY PREPARATION * '
~The test-loop for this program was a closed system including a header assembly of four (4);l-inch containment spray nozzles arranged to discharge into an open 4' x 8',
x 2' stainless steel tank. A centrifugal pump drew water from
= the; spray header. tank, discharging it though a 34 KW electric heat exchanger f and.into the spray nozzle header assembly. A clear plexiglass hood assemtily was fashioned; oyer. the . header- assembly and tank- to reduce spray.and
eyaporation. losses. ;An. auxiliary electric heater submerged in the spray tank
. furnished additional heat as required for the 190*F temperature tests.
.~ . ..,
A calibrated-orifice meter with. AP cells was installed upstream of the spray nozzle header assembly to measure the total flow to the nozzles. A separate pressure transducer between the orifice meter and spray nozzle header measured
.the s.ystem pr. essure.
Thermocouples were installed in the inlet and outlet piping across the
~e lectric heat exchanger and upstream of the spray nozzle header. Temperature control was maintained via one of the thermocouples upstream of the header.
Flow control was maintained on the pressure drop across the spray nozzle
. header.
Sketch #BRS082983C in Appendix A is a schematic flow diagram of the spray nozzle test system.
i.
!; TESTING-The testing procedures followed are described in Section VII, titled " TEST L
PROCEDURE," of Test Plan: Ice Condenser / Containment Spray Systems, Water LSoluble' Plastic Effects on, Spray Systems, which is enclosed in this report as Appendix 8., .
i: .~ -. a o, :. :s c-p-(
l',=
. ~5521Q:10/012484 3-1 l-
The test system operating temperatures correspond to the minimum and maximum containment spray system operating temperatures of 100*F and 190*F,
( respecifvely. The additional test temperature of 145'F was arbitrarily chosen as a midpoint temperature of that range. Each test was run continuously for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in conjunction with the requirement that the containc.ent spray system '
is capable of continuous operation for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> after initiation of a LOCA.
The , test system water chemistry, in regards to boron concentration and pH level,fenvelopedtheexpectedconditionsthatthecontainmentspraysystem wi11.see during operation. The boron concentration should not fall below
,2000 ppm, and by the addition of boron as strictly boric acid or sodium
, tetraborate, and as a 50/50 mix of the two chemicals, the extreme cases of an acidic or basic, and as a neutral chemical solution are examined.
e,r - o n e .- .
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(-
5521Q:10/012484 3-2
= -
. .p.L, s..
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\. A
, Section 4 DATA EVALUATION
, SPRAY DISTRIBUTION PATTERN RESULTS -
~
The initial-test run (ref test series #40000) . established the spray di_stribution pattern;of.each nozzle ~ prior to testing with sublimation x ; shielding ma,terial. The spray pattern was measured by collecting the sprayed water.inltwo. sets of collecting tubes. The collection tubes were laid out to N Jlco} lect; water 1n a quadrant-,under each spray nozzle. The layout of the
- collection [tubeheadersys,temis,shownonsketchBRS100783 enclosed in
- ' iAppendix A.' ,
Spray dkstribution'dat'a was collected after each test run to compare with.the Edata taken in the~1nitial test run. This data is furnished in Appendix A as part of the data sheets identified as "N0ZZLE SPRAY TEST," for test series
' numbers 40001 through 40010. , Note that test series 40009 was suspended due to excessive evaporation of the test of system fluid media, and that this test
(. . was repeated:and is referen'ced as test series 40010. No test data is furnished for, series 40009.
The varia~tlons in nozzle spray pattern distributions are acceptable and a're
. considered to be the result of the temperature differences for each test run
.as compared to the initial test reference conditions, and to variations in the 2
-total' system. flow rates.
.F0AM PHENOMENON Introduction;of the. methyl celliflose' material into the test system water
. . produced a Natning action when the fluid was aerated by the spray nozzles. To
. reduce foaming, an antifoaming agent was gradually added to the chemical water solution until the foaming action was reduced to an acceptable level. At this point, the foaa would quickly dissipate and only a light surf ace covering re M . The light' surface covering would entirely dissappear in a few minutes.after termination of the spraying.
- s.
r~
' t55210:10/012484 4-1
Without the antifoaming agent, foaming was heaviest when the spray nozzles
' discharge.d into a piping cover which extended over each nezzle and down below the water level in the spray tank. These covers were installed to reduce splash and misting effects. When the piping covers were removed, and, with no ,
.antifoamin~g agent added, the spray from the nozzles tended to beat down th'e foam' bubbles in the spray tank.
.The antifoamin'g' agent used was Dow Corning DC-1520 silicone emulsion. The WestinghouseChemis'tryEep'artmentperformedachemicalevaluationofthe lD'C--1520 material and has found it acceptable for use in the coni.ainment building. The chemistry evaluation report and a spec sheet on DC-1520 are
" ' ' ~ " '
3"nclud'ed in ' A'p;Nndix h. '
- t .
[P05I-TESE'T XAMINATION
~
A11 the te'st spray nozzles were removed from the test loop af ter each test run, visually examined by engineering and quality assurance, and reinstalled into the test loop. No cleaning or other operations were performed en the
~
sprah nozdes throughout the entire test program. "Each of the 4 spray nozzles was' subjected to nine (9) 24-hour tests with no indication of blockage or buildup of any foreign substances. Inspection' records on the spray nozzles are included in Appendix A.
At the conclusion of the test program, the centrifugal pump, electric heat
- exchanger, and associated piping were disassembled and visually examined by'
' engineering and QA. No evidence of the sublimation shielding material or any other. abnormalities were found. This demonstrates that the methyl cellulose did not come out of solution nor adhere to internal surfaces. A copy of the inspection' report on the test equipment is included in Appendix A.
The methyl cellulose concentration in the test water was examined by performing liquid chromatographic analysis on samples taken before and af ter L each test run. The analysis verified that the sublimation shielding remained in solution to an accuracy of 115%. A summary of that analysis is included in Appendix 4.
l l 5521Q:1D/012584 4-2
. .- , ,?
S'UMMARY OF TEST DATA a
(' Pl'ots of"the test' system fluid temperature, flow rate, pressure, and pump motor, power, as a~ function of time are also. included in Appendix A. All
,.,. ;deviationsfromthetestparamotersareidentifiedinDeviationNotices" ~
included..in Appendix A. None of these deviations were significant with respect to.the test.results or objectives of the program.
.. +. .a =.. ..
.TableE2.in Appendix A is a summary of all the test paramett.rs. Maximum, minimum, and average ~ water. temperatures are shown in comparison to the required reference . test condition,_ aY well as baron concentration variation during_the test run and the-amount-of antifoam agent that had to be added to
the system.
Variations in baron concentrations were the result of water evaporation lf romJozzl e' aeration and tempe ra ture. (As the water evaporated, the.; ,,boron concent, rated.) . Water was added periodically to bring the boron concentration into the specifie'd range of 2200 ppm t 200 ppm.
.j., .
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- - *'~~-~ ~~~~
Section 5
(- CONCLUSIONS AND RECOMMENDATIONS CONCLUSIONS - - -
This test shows that both methyl cellulose and Dow Corning DC-1520 silicon emulation are acceptable for use in the containment spray system. Methyl cellulose is therefore acceptable as sublimation shielding for ice condenser applications, with no impact on balance of plant or safety systems.
Four (4) containment spray nozzles were subjected to nine (9) 24-hour tests with the maximum postulated methyl cellulose concentration. The operating conditions for . spray system temperature and chemical water pH were bounded. .
There were no indications that the performance of the spray nozzles was degraded, that the methyl cellulose came out of solution, or that any spray system component was affected.
The forJn produced by aeration of the methyl cellulose solution was a concern
( because, if unchecked, a significant amount of water and boron could be suspended in the foam, thus decreasing the system capacity for heat removal and neutron absorption. Dow Corning DC-1520 silicon emulsion, which is available commercially, is an effective and acceptable foam suppressant.-
. While it does not eliminate foaming, this agent dces reduce foaming to an acceptable level. (See " Recommendations" for amounts and delivery methods.)
RECOMMENDATIONS With the implementation of methyl cellulose as a water soluble plastic sublimation shielding material, it is recommended that a system be developed to introduce Dow Corning DC-1520 into' the containment spray system and/or sump. A concentration of,400-625 ppm of DC-1520 in the sump water is recommended. This could be accomplished in several ways, each of which will require further study and development. The following methods for introduction of the antifoaming agent are suggested:
is 55210:10/012484 5-1
\ ..?'. .-
- 1. . Store the antifoaalng aget.t in the sump area such that it is released as the sump is flooded. The agent would be stored in an amount that assures
( the 'm'inimum required cone'entration would be achieved for the maximum amount of dilution during sump flooding.
= -.
- 2. Develop an injection system that will add the DC-1520 at a controlled rate and toncentration into the sump.
- 3. Formulate the antifoaming" agent into the sublimation shielding material.
If the shielding in the. ice condenser is dissolved, the antifoam agent
.6 will be available.at.a fixed ratio to the amount:of' sublimation shielding i.:. material;flushediinto the sump.. -
4.- Freeze the1antifoaming agent into the borated flakice in the ice bed. As _
L the' ice: bed' melts and drains Into the sump, the concentration of the J:antifoaming agent will be in a fixed ratio to the amount of ice melted. .
The first method would be the simplest to implement and would not require _
-extensive development. It can be sized to assure that under all possible LOCA
(- cases, the minimum required concentration of antifoaming agent would be
._ present in the sump water. _
~
The second method will require extensive systems and equipment development and
. qualification. The third method will require additional development work to determine the . relationship between the requirements for antifoaming agent concentrations and the different concentrations of dissolved methyl cellulose in the sump. The last method will require further study to determine the relationships between the amounts and rates in which the ice melt water and the sublimation shielding material get into the sump for different LOCA conditions.
( -
- s. . -
73 ~55210:10/012484 5-2
_. . . _. APPENDIX A
[*
.. _ . TEST DATA
.._,. The following information is_ f_urnished in this section as supporting- - -
- documentation for the test. program: ,.
. 1... Sketch-BRS082983C - Test system flow diagram
-_ 2.._ Sketch BRS100783 Nozzle Spray Distribution Collection System
- 3. . .. Table 1 - . Test... Numbering .No.menclature _
.. - __4. .. Tabl e 2 _ Summa ry_ of _ Data ;__ , _ _ . . .
.__ __. 5. ..._Ta b l e . 3 . . Summa ry .of...Da ta ,__ _ _ _,
. . . _ . .6. E_ Letter SGTD-7.1-23-3370 -- Analysis of D.C. 1520 Silicon Emulsion 7, . Westinghouse R&D,Centerletter dated 1-3 Methyl Cellulose in Aqueous "
_ , . . _ _ Solutions _ . . _. . . _.,
. ._ 8. .Dow Corning Spec Sheet - 1500 Silocone Emulsion 9._. Inspection Repoit - Visual Inspect Spray Nozzle -
- ...-- .:.10. . Inspection Report . Spray Nozzl.e Test 11._ Test. Data - Spray _ Nozzle test 4.0000 -
(.__ .12.. Test Data - Spray. Nozzle test 40001 13.. Test Data - Spray Nozzle test 40002
- 14. Test Data - Spray Nozzle test 40003
- 15. Test Data - Spray Nozzle test 40004 *
.. .16. Test Data - Spray Nozzle ' test 40005
. - 17. Test Data - Spray Nozzle test 40006
..18... Test. Data , Spray Nozzle test 40007 <
_.19. Test Data - Spray, Nozzle test 40008
_ . _ . .20. Test ' Data - Spray Nozzle test 40010 21._ Spray Noz,zle Test Data Plots _
22..Deviati.on Notices m
- O"""'.k 4.MaM-O. . mw9 , e,_g e
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Test Prospectus
. #83-0248 12/8/83 SPRAY N0ZZLE TEST C-TEST NUMBERING
- NOMENCLATURE COMP. TEST TEST ,.i." CHEMICAL TEST PLAN TEMP. ADDITION
. . NO. NO.
.. _. ..J. ~
40000.05 -
~ ROOM CITY WATER 40001.02 1 100*F BORIC AC'ID-40002.01 -- - - -
-145 ---
- BORIC ACID-
~
. . _ _ . . .__ _ 40004.01 _
4 .
105 '~ ~ BORAX 40005.01 -5 .
145 BORAX
~ ~ '
~
40006.01 6 190 BORAX
. _ _ _ . . 40007.01 ..7 _ 100 _
BORIC ACID & BORAX
(---
~40008.01 --
-8 -
'145 - BORIC ACID & B']RAX
'~ l 40010.01 ,
- 9. .. 190 BORIC ACID & BORAX
-45010.02' -
. =m YO .Y" G
/
/
. /
I
. ~
s .
-> i- ., .- .
e a 9
Test Prospectus
- 83-0248 12/8/83
. SPRAY N0ZZLE TEST
-~
SUMMARY
OF OATA
. TEST REQ'O. AV. MAX MIN NO. TEST TEMP. BORON v.- ' . TEMP. TEMP. CONC. TIME *
~ *F
, TEMP. -*F ANTI-FOAM
2*F A00E0 200 ML 40001.02 100* 99.4* 103.4* 96.7* 2202 0 180
. 2536 24 40002.01 145* 145.4* 147.36 141.8* 2008 0
. 720
..i 2229 8.5 2356 17 2241 24 40003.01 190* 187.2* 192.l*
r ' 104.4* 2119 0 180 2320 1.5.
.. 2193 8 2120 18.5 40004.01 100* 100.l* 100.8* 97.9 1976 0 180 2055 1.5 2168 18.5
.40005.01 145* 144.8* ~147.2*
136.7* f151 0
(.. .
2376 2385 10 360 23.5 40006.01 190* 186.7* 194.4* 168.5* 2121 0 180 2531 9.5 -
2152 21.5
- '40007.01 5 100*
100.4 102.3 98.6 2023 0 180 2121 10.5 1772 24 40008.01 145* 146.3* 148.3* ~143.2*
2097 0 360 2527 13 2201 24 400'10.01 190* 188.0* 193.1
' 180.7 2022 0 270 40010.02L 2375 8 1975 13.2 1987 15.2 2031 17.8 2548 23.8
- ELAPSE 0 TIME FROM START OF 24 HOUR TEST w
TAOLE 2.
"A b a. ..
g.
' ,I ^ ~ ' *. '
- Test Prospectus f83-0248 12/8/63 l
((.
N0ZZLE INLET PRESSURE
?
SUMMARY
OF DATA i
TEST REQ'D. AV' MAX.
NO. PRESSURE MIN.
PRESSURE PRESS.
i.4 PSI PRESS. ~
PSIA PSIA PSIA PSIA i 54.7 55.4 55.7 54.5 2 54.7 54.4 54.6 54.2 3 54.7 ,56.4 56.7 53.1
- 4. 54.7 54.1 55.0
- 52.4 5 54.7 54.5 54.9 54.2 6 54.7 - 54.8 - 57.6 53.2 7 54.7 54.1 55.8 42.7 8 54.7 55.4 56.1 ' 54.6 *
.9 54.7
(} 54.4 56.3 53.5 9
4 4 e-
- O eY e
. TACLl? Q
-(- .
Oh y O 4
. , , , - - - , , , . - + , - . , , - . - . . . - . - - , , , . , . . - _ , . - - . , . , , - _ . , - - - - - . .. - - - _ . - , - - , .,, . ~ . - - - _-,.
SGTD-7.1-23-3370
{ From ww Dre SGTD - Steam Generator Technology Division 244-3887 November 11, 1983
~
- SAea Analvses of D. C. 1520 Silicon Emulsion for Use as a Antifoaming -
Agent for Ice Condensar Plants -
To . B. R. Sinwell FH/A200 cc: W. D. Fletcher FH/A100 L. F. Becker FH/A200
.M..J. Wootten FH/A200 C. M. Scrabis MNC 311
{,7 " ~ ~l.~.~A~. S. Caldenvood FH/A200~ '
T. J. Gerlowski MNC 743 v.v --
c It is proposed to use Dow Dorning DC-1520 Silicon Emulsion for an anti-
._ __._f.oaming agent to c_ounteract_.the. foaming effect in boric acid solution of the methyl celluose. This is to be used to bag the borated ice in the reactor containment of ice condenser systsms.
Chemical analyses were performed on one lot of this material. The re-
'sults of these analyses and the analtyical methods used, are presented
. in the following . table and recorded by Westinghouse Advanced Reactor i-..
- Div~ision~ Analytical ~taboratories asrAnalytical Service Number 83-3360 dated 11-2-83 and in' Westinghouse Notebook 137981 page 31.
.{ ,
.n
___ TABLE 1 ._
Impurities in DC 1520 Silicon Emulsion detemined by Pyrohydralysis and
' Ion'Chromatorgraphy. "
~
.- CHL0 RIDE, pcm. FLUORIDE, com SULFATE, com 65 4- ---
155 (52 ppms)
"r - - - The maximum DC 1520 antifoam agent used will be less than 625 ppm re-sulting in a chloride concentration of less than 0.04 ppm. This level
~~~~ is within the specification limit of 0.15 ppm for the reactor coolant.
~
' The fulfuF" level ~is ~ev'en 'below this 'c6hcentration and should pre: ent no corrosion problem for any of the materials of construction of the reactor system or spray system. .
h Lf D. ' D. Whyte, f rincipal Engineer Chemistry Field Development DDW/kr
(
s 0: star:Date:
.e File 83-796 c ..
_ (. '
R&D Center - 501 3Y22 236-2232 2
.3 January:3, 1984 '
. ' Methyl Cellulose in ,h- 3'.
,-.,- ".C<i' l ' 9 '
~
Aqueous Solutions .t~' -'!j '.{.
.- qu JPdi6 T33k_ , , _ _ -Y. '
.. . : ;;.:.c +
C. M. Scrabis - "'
NTD Thermal Equip. Engrg.
Nuclear Center - MS 311 cc: H. She11aby - NTD, Forest Hills B. Sinwell - NTD, Forest Hills G. L. Carlson - R&D Center K. A. - Kloes - Nuclear Center - MS 311
-The samples of methyl cellulose in aqueous solutions were initially examined using water and water-ethanol as elements for the
'{ : samples. These analyses showed very little change in the amount of high molecular weight species present in the solutions, but the total amount of organic material was calculated to be at least twice the amount (0.2% wt.) which was supposed to be in'the solutions. This vari-
. ation occurred because a silicone anti-fcaming agent had been added to the solution and was interfering in the determination of methyl cellulose.
The interference was eliminated by using a saturated borax solution as t'
the eluent in the liquid chromatographic analysis.
The results of this analysis again shows very little difference in the concentration of methyl cellulose in the solutions. The overall concentration is at the projected level of 0.2%, but the analytical technique is only. accurate to + 15% due to the high noise level of the detector during these tests.
s John R. Ray Senior Engineer Analyti.a1 & Laboratory Services
/jlc s_ . .
5
\;
I (s. ..
.g- .
Dow Coming * "-30 Emulsion This 30% antift in emulsion has a long history of use in adhesive and printing inks.
11 contains a special formula of emulsifiers. ,,
T IPropertes
- ese values are not intended for use in crepanno soecifications.
Color..................................
Speedc Gravirr at 77'F (25'C) . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . White -
Consstency at 7 7'F (25*C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0 pH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ............
. . . . . . . . . . . . . . . . . . . . . . . Lig ht cre a m ACtnre Def ca mer. DerCent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5 Emutsifier Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. .. .. .. .. ,. .. .. .. .. .. .. .. .. Nonionic . . . . . 30 Sustable Diluent. . .
. . ... . . . . . . Water seecs.:
soouc anon enswe. ors- Nase corsect oow corneo corooranon. wouno, wencan, news weng enin.croowt
. @ Dow Coming
- 1500 Silicone Emulsion Th3100% antfoam compound is recommended for oil-baseo and solvent-based -
4 systems, for best economy. lt is for food-related uses, when system will allow its use.'
sv re notintended for use in crecanrig spectications.
- q N s 7. ~'"~j;. .f."'- s.;a.
.-' rg-I CQ-4 Y%.
Accearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Coacue grey to w nste
'e -
'+
Actn<e inerecient . . . . . . . . . . . . . . . . . . . . . . . 100-percan! :ilica-filled polydimetnytsiloxane Decific Gra at 77'F(25'C 1
6 . '1 C Ascosity at 77 F (25'C) cos..) . .... .......................
. ............ 1.0 .t -
Flash Point. . ........ .................................. 1500
. D,4h W;'
~
.q,4,%.';y,-;,.{. ' 'Cs't ' as; soucc _ wn.e.o..-inua cow corn.s coro-n.u.
soscacamnson necroowet .u n.o ,e - . . 5200*F (93'C) p' :cgg :y ;;g.
..:r .;;.* &;. r.;
. G.-@
w.u .rd' i $
...2 a s- o Dow Corning
- DB-100 '.E.:=
C.wrt.. g%,. *p,,Ts; f *
.M. ;.'.' 58- @ K.y This 100% antifoam compound is for extreme conditions such as high and low oH E
' .di:;,%.
g<
systems. It is long-lasting and very cost effect?ve for non.acueous systems. Dow W.:'.f.
' - - - " . ?c;,{53 .z ;.- .j!.t 55 Corning
- C8-100 is stable to freeze-thaw cycles. .(,
- N,g .LT,.*N *> f;.:4 ,;.d TyoicalProcerr.es ,
Actve Defcamer h. Y f **? # %~LQ Type . . . . . . . . . . percent . . . . ............................................100 Soecific Gravi . ..................
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Compounded silicone f:uid hTJ/ ~/
,,y. * ~ 'b C ,' -
e
., .l'"""*dk Viscosity ar 7 7 F (2 5'C). cs . . . . . . .. .... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.03 f- - *-
Color................................................................2400 Suttable Diluents . . . . . . . . . . . . . . . . . . . . . . . . . . . . Translucent whi:e .. g
- ~
a.
4 Shett Ute. r- ntns .
.. . . . . . . . . . . . . . . . . . / "phate.aromabc and entonnated solvents & "' . ;.[: 1..
% ,,,.;,,,gl.
~
. 12 ,,
,. anon wav.s Piease conud oce Corneg Corcorsacn.M4and.Mcnagan.oetoro u eng l - -* nons on inis croauct .
ll6 /
- t-
\
J ,i..-
Metal plating vs.. 7.,w ~s ;.
- . ( . . . r7 ;'N ),,
.s d %. g'
.. .,i .
g.%) f .[O *5 i .
, / , - i' r - <
4.. . r*
T1 q .
., ./ + '; A3' .- i r
... ' , c,.v.#-4
.s J.
- 'N..r r
./ .%.
"N ..g
. . h -- '
. ,/' 7 , g ,~,+% .-
i ,
^
- s. 'I .- N y-se .
n
- a -
. v.
s . %.
'f '
% $ ~
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\*
L' , h
' - % b.
vuumn n% 4 /'
.W .= ,%.
. N C,, .
.e t.
, . fj
. k / -.* .. %
Appendix 8.
(" "
TEST PLAN
, The test plan titled " Ice Condenser / Containment Spray Systems, Water Soluble .
. Plastic Effects on Spray System" is reproduced on the following pages.
4 l
.u :_ -
l-l- .
t l-i t .
l; i ::(
L(
i 55210:10/012484 B-1
TEST PLAN:- Ice Condenser / Containment Spray Systems Water Soluble Plastic Effects on Spray Systems
REFERENCE:
Duke. Power Company - -
General Order 10. CH-14695 Prepared By: /d/83 C./i$Scrabis,E'ng'ineer Process & Thermal Equipment Engineering Reviewed By: r. l/ ~
T.hGerlowski, Engineer Fluid Systems Design .
f B. R. Sinwell.. Engineer -
Test Engineering -
Approved BY: h 7- v6 A /0/Y/I3 D. W. Alexander, Manager Process & Thermal Equipment Engineering k JP' _l? $3 C. E. Conwa , Manager Test Engineering
- p. ',hB6M3Mnginee/13 1c/5 J. Flaherty r Q.A. Engineering
.(-
.0952E:1
Rev. No. & Date Revisions Preparer
- 0 Original
{. -
C. M. Scrabis
( s
(-
0952E:1 2
WATER SOLUBLE PLASTIC EFFECTS ON SPRAY SYSTEMS
.. I. OBJECTIVE t
,, , To, determine the effects of circulating a water chemical solut. ion.with a soluble plastic dissolved in it, under simulated LOCA conditions through the Containment Spray System. Evaluate and compare post-test versus pretest flow characteristics of spray nozzles. Determine if the water soluble plastic material will come out of solution during the recirculation phase of the containment spray system, and plug or have the potential for plugging up the spray nozzles.
II. BACKGROUND An EPRI spons;ored program was completed in 1982 and documented in WCAP-2125-1 titled " Steam Pressure Suppression Characteristics of Water Soluble Plastic Membrane Shielded Ice for Ice Condenser Containment Nuclear Power Plants." This program identified two areas of questions, which required further investigation before proceeding with full
( implementation of the sublimation shielding material in an ice condenser plant. One area dealt with the pressure suppression characteristics of this material in the dead-ended compartments below the ice condenser floor which are sensitive to the initial phase (<2 seconds) of the press.ure transients. Tne other question dealt witn the unknown potential for this sublimation shielding material to plug or change the flow characteristics or performance of the containment spray system. It is this latter question that this test program will address.
III. TEST ITEMS A. Spray Nozzle Sprayco Nozzle Model No. 1707141707. Four (4) nozzles shall ce used in each test run.
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.B. Water Soluble Plastic Material
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The material Methyl Cellulose will be used for investigation. It is supplied by Polymer? Films, Inc. of Rockville, Conn., under the
- s. ., . _
. Catalogue number of .Edisol M-1100. The material will be furnished for-dissolving in a chemical water solution, as a liquio form or a solid sheet film form and can be used in this test program in either form or combination of the two forms. The quantity of material used in each test will be 2.1 lbs. of methyl cellulose per every 1000 lbs. of chemical water solution.
C. Chemical Water Solution Individual tests will be run at temperatures of 100*F,145'F and 190*F using chemical water solution as follows:
- 1. 2200 ppm Boric Acid Solution
-2. 2200 ppm Sodium tetraborate solution
- 3. 2200 ppm Boric Acid and 2200 ppm sodium tetraborate solution.
, In addition, one test run using only water (city supply or tap water) will be run initially to verify that the test system operates properly.
. IV. TEST EQUIPMENT A. Mechanical
- 1. Centrifugal Pump a) Minimum flow - 60.8 gpm at 40 psid
-b) Number required - 1 (minimum)
- 2. Heat Exchanger a) -Electric type b) Cauable of heating and maintaining fluid temperature at 100 F, 145'F and 190*F.
c') . Number required - 1. (minimum) 0952E:1 4
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3.- Spray tank a) 4' x 8' x 2' high
- p. . -
b) Stainless steel c) Number required -1 w ._ . ,
- 4. Spray Nozzles a) Sprayco Model No. 1707141707 b) Required flow - 15.2 gpm 0 40 psid c) Number required - 4 per each test run. The nozzles may be used for multi-test runs.
B. Instrumentation
- 1. Calibrate Orifice Plate & AP cell a) -Test flow rate 60.8 gpm at 40 psia b) . Accuracy - 1 0.3 gpm '
- 2. Thermecouples a) K type ,
( b) Number required - 3 c) Accuracy + 2.0*F
. .. 3. Pressure Gages .
a) Bordon Tube typc -
b) Pressure range -.0 to 100 psig
, c) Number required - 2 d) Accuracy 10.4 psi V. DATA REQUIREMENTS
- 1. Temperature of the water upstream of the spray nozzles 12.0 F.
- 2. Flow rate through the spray nozzles + 0.3 apm i
- 3. _ Pressure-drop across the nozzles 1 0.4 psi g 1 0952E:1 5
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- 4. Chemical concentration.of the test water 1 200 ppm
({ ' .5b Time duration of the test run 11.0 min.
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- 6. .
Water. soluble plastic material concentration of the test Watet 10.1 lbs. per 1000 lbs. of water, at the start and completion.of the test.
7.. Identification of how the water soluble plastic material concentration was made up (i.e. Ibs. of liquid material and/or lbs. of solid film material 10.1 lbs.)
- 8. Evaluation of spray nozzle spray pattern.
VI. TEST MATRIX
- A tiotal of 10 test runs are proposed per attached sketen BRS082983. The first test run will use am$1ent temperature or tap water with no chemical additives or water soluble material added. It will last a time duration of at-least four hours and has the primary purpose t$ establish the
( . operational performance of the test loop and data acquisition systems.
The remaining 9 test runs will use 2.1 lbs. of inethyl cellulose material
- p6r each 1000 lbs. of chemical water. Each test run will last fc/ 24
. hours after reaching the required test temperature. The following is a listing of the 9 tests.
- 1. 2200' ppm Boric Acid water at 100'F
- 2. 2200 ppm Boric Acid water at 145'F
.3. 2200 ppm Boric Acid water at 190'F
- 4. 2200 ppm Sodium Tetraborate at 100*F
- 5. 2200 ppm Sodium Tetraborate at 145'F
- 6. 2200 ppm Sodium Tetraborate at 190*F
- 7. - 2200 ppm Boric Acid and 2200 ppm Sodium Tetraborate at 100*F
- 8. 2200 ppm Boric Acid and 2200 ppm Sodium Tetracorate at 145 F-
- 9. 2200 ppm Boric Acid and 2200 ppm Sodium Tetraborate at 190 F
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,. 3 VII.- TEST PROCEDURE 1: Prepare chemical water solution in the test spray tank.
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- 2.. Start up the spray. test loop and' establish the pr.oper flow. rate and. ,
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pressure drop through the nozzles.
- 3. Test each flow nozzle to establish the initial flow spray pattern characteristics.
- 4. Dissolve the sublimation shielding material in the chemical water solution in the ratio of 2.1 lbs. of methyl cellulose to 1000 lbs. of water.
'5. Heat up test solution to proper test temperature with required flow rate and pressure drop across the spray nozzles.
- 6. After' establishing proper test parameters, operate the test loop for
. ' prescribed' test time period and record the required test
{ parameters.
- 7. Before stopping the test run, retest each of the spray nozzles for
.. flow pattern changes and comparison to the initial spray pattern check.
- 8. - Take a sample of tne chemical water solution for chemistry evaluation of concentration level of methyl cellulose.
- 9. Stop tne-test loop, remove the spray nozzles and visually inspect for traces of the methyl cellulose material. Record the findings.
- 10. Prepare for the next test run.
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- 11. After all the test runs have been completed, the piping, orifice, valves and centrifugal pump shall be disassembled ana visually examined for traces of methyl cellulose material.
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.' 1 ATTACHMENT 5 Proposed FSAR Changes Insert into Section 6.2.1.3, page 6.2-4 (after topic. titled Sensitivity Studies) .
ICE CONDENSER
'In an ice condenser containment, a concern that exists is the rublimation of ice in the ice baskets. Due to the high heat load on the row of ice baskets nearest to the crane wall, this row of baskets experiences subli-mation rates of about 5-10% per year. One method to eliminate this occur-rence would be to wrap the ice with a soluble plastic film (as described in Section 6.7.4.2).' A side effect of this plastic film is that the ice condenser performance will change for the first few seconds follow-ing a high energy line break, and therefore, the short-term subcompartment pressure analysis will be affected. A sensitivity study was performed to determine the impact of wrapping one-third of the ice baskets with a water soluble sublimation snielding wrap. The sensitivity study assumed the following:
1)~ a Double-Ended Cold Leg (DECL) break in compartment 1 is the limit-
.ing case
- 2) a decrease in the heat transfer area
~
- 3) an increase in the condensing length resistance to account for the water soluble plastic.
The results of this study are shown in Figure 6.2.1-19a. This figure illustrates that the peak pressure, as'a result of the sublimation shield-ing wrap, is be' low design pressure and hence, does not adversely impact the Short-Term Containment Analysis.
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j Insert into Section 6.7.4.2, page 6.7-14
- (after last paragraph)
The three (3) rows of ice basket columns closest to the ice condenser crane wall incorporate a water soluble pla: tic sublimatien shielding coating around the stored ice. Westinghousa has demonstrated the acceptability of the sublimation shielding material on all ice condenser and other interfacing equipment and systems.
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. (m, Desian Consideration
- 1. The structural stability and deformation requirements are determined to ensure no loss of function under accident and safe shutdown earthquake loads. !
'2. The ice baskets are designed to facilitate maintenance and for a lifetime consistent with that of the unit. ,
- 3. The wtrur;ture is designed to maintain the ice in the required array to maintain the-integrity of performance of the. ice condenser. In particular,
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the hydraulic diameter'and heat transfer area are maintained within the limits established by test ~to be consistent with the containment design pressure. ,,
'Any section of'the ice basket is capable of s'upporting the total weight
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of the ice abovt that section. ,
General Thermal and Hydraulic Performance Requirements i
The ice baskets are fabricated from perforated sheet metal which has open area !
to provide sufficient' ice heat transfer surface. The adequacy of the design and the performance were confirmed by test b as l au/ 7tn , '
Int'erface Requirements
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.1. Lattice Frame .
The lattice frames at every 6 ft act as horizontal restraints along the length. The design provides a nominal 1/4 in. radial clearance between the ice baskets and the lattice frames. Lattice frame and basket coupling elevations coincide to prevent damage to the baskst during impact.
- 2. Lower Support Structure
' Ice baske't bottoms are designed to be supported by and held down by attach- ~
- ments to the lower support structure. The basket supports are designed for structural adequacy under accident and safe shutdown earthquake loads and L permit weighing of selected ice baskets.
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L 3. Basket Alianment l
L The Sca condenser crane aligns with baskets to facilitate basket weighing ard/or removal. The baskets are capable of accepting basket lifting and handling tools.
~4. 86sket loading The ice baskets are capable of being loaded by a pneumatic Ice Distribution System.
5.. External Basket Design The baskets are designed to minimize any external protrusions which would l interfere with lifting, weighing, removal and insertion. i 1
. 6.7-13
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48/34/8055-1{
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.m TOTAL PRESSURE (PSIA)
I 30-
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!. WITH SUBLIMATION
,, - WITHOUT SUBLIMATION 20 -
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10 1 0 1.0 2.0 3.0
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TIME (SECONDS)
Figure 6.2.1-19a. Sensitivity to Sublimation Shielding Wrap.
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