ML19319D079
| ML19319D079 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 07/20/1977 |
| From: | Sawachka S NUCLEAR WATER & WASTE TECHNOLOGY, INC. |
| To: | |
| Shared Package | |
| ML19319D073 | List: |
| References | |
| RP704-1, TAC-08889, TAC-8889, NUDOCS 8003050869 | |
| Download: ML19319D079 (10) | |
Text
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PRESENTATION AT EPRI STEAM TURBINE DISC CRACKING WOR 13 HOP r
JULY 19-20,.1977 S. G. SAWOCHKA NuclearWater &WasteTect!!iology INCORPORATED P.O. BOX 6406, SAN JOSE, CALIFORNIA 95150 (408) 294-2404
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PROGRAM OUTLINE e
NORMAL PLANT CHEMISTRY BACKGROUND CHEMISTRY CHEMISTRY FOLLOW CORROSION PRODUCT / HARDNESS FOLLOW e
INLEAKAGE CHEMISTRY 4
CHLORIDE 70LLOW SODIUM FOLLOW SULFATE / SILICA FOLLOW i
1 l
MODELING RESIN THROW TURBINE SAMPLING e
RESULTS INTERPRETATION e
PROGRAM MANAGEMENT
t FOUR PLANT PROGRAM APPROACH CRYSTAL RIVER 3 e
ONLY SEAWATER COOLED OTSG s
DEEP BED CONDENSATE TREATMENT e
CONDENSER / REHEATER t COPPER-NICKEL (pH s9) e RECENT STARTUP ARKANSAS 1 3
ARKANSAS RIVER COOLING e
OBSERVED TURBINE FAILURES 4
e DEEP BED CONDENSATE TREATMENT CONDENSER / REHEATER : COPPER-NICKEL (pH s9)
THREE MILE ISLAND 1 e
SEPTEMBER 1974 STARTUP s
POWDERED RESIN CONDENSATE TREATIENT ALL FERROUS ALLOYS (pH s9.4)
COOLING TOWERS THREE MILE ISLAND 2 e
MAY 1978 STARTUP e
DEEP BED CONDENSATE TREATMENT e
ALL FERROUS ALLOYS (pH s9.4) 4 COOLING TOWERS
Modeling Background Chemistry Turbine Deposits Sodium / Chloride I
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Transport
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N OTSG Silica / Sulfate Turbine
' Corrosion /
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Attack Deposition Transport a
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Resin Throw I
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FEEDWATER LP STEAM HP STEAM MOISTURE SEPARATOR DRAINS (MSD)
DEMIN INLET DEMIN OUTLET m
TWO EXTENDED COVERAGE STUDIES (4 mo) 6 w: FEEDWATER 6 w: FEEDWATER LP STEAM DEMIN INLET HP STEAM DEMIN OUTLET MSD LP STEAM 6 w: LP STEAM LP TURBINE DRAIN A LP TURBINE DRAIN B CONDENSATE
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2; HILr.STollE CllART:
RP704-1 1978 1979 J F M A M J J A S 0 Il D J F M A M J J A S 0 N D Plant Selection / Confirmation e
x Preliminary Plant Studies o
x x
Chemistry Follow o
Corrosion Product Transport
,3
)
Module Fabrication o
x Plant Testing o
x o x o x o x
x Modeling o
Chloride Follow Intensive o-x o-x o- -x o-x 4 month o
x o
,x Sodium Follow Intensive o-x o-x o-x o-x 4 month o
x o
x Sulfate / Silica Follow Intensive o-x o-x o-x o-x 4 month o
x o
x Resin Throw o-x o-x o-x o-x o-x o-x Turbine Sampling x
Results Interpretation o
'x Program Management o
o Initiation x Comptetton
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A.
y B & W SECONDARY WATER CHEMISTRY LIMITS (MODES 1, 2 and 3) 1.
Cation Conductivity @ 25*C (77 F) 5,0.5 umbo /cm 2.
pH @ 25*C 3,8.5 5,9. 3 3.
Dissolved Oxygen 5,7 ppb
-4.
Silfca 5,20 ppb 5.
Total Iron 3,10 ppb 6.
Total Copper 5,2.0 ppb 7.
Hydrazine 1,20 ppb 5100 ppb 8.
Phosphate 5,10 ppb 9.
Ammonia 3,0.07 ppm 0
1 7 ppm 10.
Lead Nondetectable Note:
Items 1 through 6 are in FSAR Table 4'-11, Steam Generator Feedwater Quality Specification.
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