Text

Special Operating Procedure, H2 Recombiner Operation. H2 Recombiner Sequence Encl
	ML20136B629
Person / Time
Site:	Crane
Issue date:	04/01/1979
From:	Logan J; METROPOLITAN EDISON CO.
To:	;
References
	Z-12, NUDOCS 7909100039
	Download: ML20136B629 (15)
	v • d • e

. AP 1d 1 Three Mile I: Jand Nuclear Station SID E Ifigum '001-8 Special Operating Procedure SD P N o. ? ~~ /

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In truction e ano gulo sine. in A P 1001

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Attach procedure to this form written according to the following format.

';',s A.

Limitations and Precautions 0Xf

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1.

Nuclear Safety

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Environmental Saf ety N

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3.

Personnel Saf ety

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4 Ehuipment Protection B.

Prerequisites C.

Procedure e

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Generated by

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D ura tion of SD P - Sn.o e. no rans., in.n 90 days from tn. et*.ctsvs a.t. o, tn. SCP or (.i or 1010.io w - wn.cnem< occ wis fir st.

I (a)

SDP will be cancelled by incorporatior) into existing er new permanent procedure submitted by 2 k/of rv ~

8 (b) SDP is not valid af ter O

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(a) is the procedure Nuclear Safety R elated?

Il "yes", complete N uclear Saf ety Evaluation.

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e (b) Does the procedure af feet Environmental Prat ion?

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If "yes", complete Environmental Evaluatio

s C No C (c) Does the proceoure affect radiation expos e to perynnel?

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NOTE:

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UtlIT #2 OPERATIllG PROCEDURE 2104-6.4

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HYOR0GEfl RECOMBINER OPERATING PROCET RE l

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1.0 REFEREflCES 1.1 Drawings Applicable to Operation 1.1.1 Reactor Bldg. Ventilation and Purge, B&R Fa..t Diagra: 2041.

1.2 Operating Procedures Applicable to Operation.

1 1.2.1 2102-1, Plant Operating Limits and Precautions.

~

1.2.2 2102-2 Plant Setpoints.

f 1.3 Manufacturers Instruction Manuals 1.3.1 Manual for the Thermal Hydrogen Recombiner System,, 1 File flo. 123.

1.4 System Descriptions 1.4.1 Hydrogen Recombiner, Index fio. 63.

1.5 Curves, Tables, etc.

1.5.1 Table 4-1, Instrument and Power C1ble Connections.

1.5.2 Table 4-2, Recombiner Instrument and Control Sa::in;;.

1.5.3 Table 4-3, Post - LOCA Hydrogen Recombination Recarc.

2.0 LIMITS AND PRECAUTIONS 2.1 Equipment 2.1.1 Assure Bus supply breaker is GFF before connec:ing :.-

.ar cable for the Recombiner Console.

2.1.2 Do not operate the Recombiner with RB pressurc >

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2.2.1 The operator should be aware of the consequenccs of any acti n tal,en on this/uresystem prior aff cNt4 ing tnat a
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3.0 PREREQUISITES (Initial each itep upon completic.)
.sparc M.
/ECM b ~','
80 "D ue 4k 3.1 Verify Reactor Building p essure less t an /' psig. V we p ecela c %.
f e neen.r.c
3. 2.
's,14 ree w Lo^ses have.
< sa, c ense els 4m f g,Q.
4.0 OPERATit!G PROCEDURE 64 <" c e b e c all ad c ke M cc.//
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ca, ple tecl.
4.1 s ta rtup4r-ocedure.
Init4'1 en-h etoo u o n s a ti s f a c u r ' < 2 -- a t ' _:1.
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4.1.1 Disconnect tri kle heater Plug P108 from J10c and t,a 110 "
facility power rec tacle.
Coil anc tie caales Teni" s 4.1. 2 ",
e the power and 1 e trument cables 'rc:a the cor v.e cable N
N rack.
re the cable ties for future use..
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4.1.bConnect the po, r and instrume t cables =
n d i n i ab' e i.
4.1.4 Insure HS-1 is 0FF d the unit'ppwer supply bre*ake 6 /d 2-N.
s-x 22E Bkr'HD3 and Bus 2-1 bkr EC4' 'are open.
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in ydrogen concentration can be made by perio cally obse ving the heater gas temperature TS3
'.d the reactic1 chamber temperature TIC 4.
T: a heater cas temperatur is indicated by rotati th e,d i ton._TS 2 a
until the in icator lights char state.
Thc-approximate.
hydrogen concen ation is d vermin'ed by the aduation
/
j shown in Table 4-3.
Reedt TS3 to its set point, 1300 F.
Heater gas perature increases as the hydrogen concent ation d creases, due to d'c.
asing heat of reac* /
on in the rea tion chamber.
I idi tionally, periodic bservations and recc ds should be made of the t >mperatures and flow rate i dicated on the ntrol panel.
A suggested operat, ns record is j
shown in Table 4-3.
4.2.4 If the hydrogen recombiner is not functioning pro 'rly and o b b io s H'.s'/* u ~
t' cannot be repaired in timely fashion a p c _ package g
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7
.,r#-..._-and z.,
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1 per section 4.4 of this procedure.
4.3 Shutdo.!n Procedure.
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4.
1 Reset TIC 4 to 500 F (260 C).
When the temperature indicated on TIC 4 is below 600 F (315 C) 0 0
proceed to next step.
1 4.3.2 Turn HS1 to 0FF 1 ' ^ '..
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IflSTRUMEilT AtID PO'.!ER CABLE CC::.NECTIC::s j
t-
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Plug Recepu cle l'umbe r
um e.
I l
4 i
Recombiner Power l
Heat Exchanger Cable PIC5 JiC5 y
Enclosed Blower Cable P107 J!C7
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Heater Cable P103 JiC5 4
~
Recombiner Instrumentation a
Thermocouples P131 JiCi Dif ferential Pressure Transmitter
?IC2 vl 32 O
1 4
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07/07/73 l
TABLE 4-2
)
'{,
RECOMBINER INSTRUMENT AND CCNTRCL SETTING
f Normal
/
0;e ra tior, f
Device wi tr.
-f>(f Function Hve
e-pf j i Temperature Control F(OC)
U 4-TSHI TSX2 Heater Inlet - Wall 17 r, (; 9 )
7' i
Heater Outlet - Wall l@c (750)
TS3 1
Heater Outlet - Gas 12c0 (702) 1 l
TSH3 Heater Outlet - Gas 1500 (815) 1,:
TSH4 TSL4 Reaction Chamber - Gas 1400 (760)
Reaction Chamber - Gas 500 (250)
~~
TIC 4 Reaction Chamcer - Gas 130' /704)
~ ~ ~
TISX5
~
Reaction Chamber -
140
, 50) i Outlet - Wall
~
TISX6 Heater Exchanger Outlet 15/ (C5)
- Wall Circuit Breakers CBI l'
Enclosed Blower Motor -
Closed 480 V CB2 Heat Exchanger Fan Close:
Motor - 480V CB3 I
Heaters - 480V CB4 Closed Instrument Control Closed Power - 120V CBS Primary Power - 480V Closed Unit Power Sun ly Clase:
Start Switch HS1 StoP" Timers Tl Low Temperature Star:
2 Cutoff (h)
~~~
T2 Heater Power Delay (s) 60 Motor Starter ISl Enclosed Blower .otor Auto 19 Heat Exchanger Fan Aut; Valvee*
V1 F1ow Transmitter, Cpe:.
L.P. Port V2 Flow Transmitter, Om H.P. Port
~ _.
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MOTE:
Assure all Containment Isolation Vaivas _ca ;;er. prior to a
- Ac tua ting--HWi.
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Revision 2
/-
07/07/73
,g
/
TABLE 4-3 d
POST-LOCA HYDROCEN RECC.NBINATIC,'t RECORD Date and tir; of LOCA Date and time of observation
+
Es tir.dt.d hydrogen concentra tion from previous observation vol a"nnunciator panel all green?
~-
Contr.1 or Indicator ObsergegValue Nomina!Vefue Setpoint
( C)
F{.)
TSH1 175 ( 79)
TSX2 1400 (750)
TS3 1303 (704)
TSH3 1450 (788)
TSH4 1350 (732)
/
TSL4 1000 (530)
TIC 4 13C0 (704)
TISX5 14C: (760)
TISX6 150 ( 66)
CBI thru"gh CBS Clocac HS1 Sta:
T1
) /y' [YPk,'0\\
IS1 t C nu ;
A; 0 c.,u,..
50 cf.a (n.ir.icum)
Calculated approximation of hydrogen content of influar.:
Ter.p( TIC 4 ) - Temp (TS2) = Ji, Nd, 12 5 9,h
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ML20136B629

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