ML21305A847
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OPERATION OF CONTROL AND REGENERATION PROGRAM FOR STEAM GENERATORS SLOWDOWN CLEAN-UP MIXED BED DEMINERALIZERS
FLOW CONTROL VALVE (MIXED BED DEMl~ERALIZERS: 2-tl 2-2 FLOW CONTROL VALVE (ACID SOLUTION). " FLOW CONTROL VALVE (CAUSTIC SOLUTION)
- N 0 p J Q R s T E STEP SWITCH NO. A B E F C D G H I K L M FCV-841 FCV-84
- : FCV-845 FCV-847 FCV-849 FCV-ffi I FCV-853 FCV-ffi5 FCV-857 FCV-~ FCV-869 FCV-870 FCV-865 FCV-006 FCV-867 FC\\l-868A FCV-008f FCV-871 FCV-872 FCV FCV-874 FCV E - 873A - - 873B FCV-842 FCV-84~ FCV-846 FCV-848 FCV-850 FCV-85, FCV-854 FCV-856 FCV-858 FCV-860
.. SERVICE BACKWASH RINSE INTER-DI-SHUT-OFF DILUTION SHUT-CAUSTIC SHUT LEAK REGEN FINAL REGEN STEP FUNCTION AND DESCRIPTION RATE SOURCE TIME FACE VENT SERIES UTION Co.t-RINSE TIMER CCM-REGEN CAUSTIC AIR ISO-BACK-LEAK PUMP WATER OFF TEMP PUMP OFF OFF (GPM) (MIN) ACID INLET INLET LATION WATER WASH OFF ::AUST INLET OUTLET OUTLET INLET OUTLET OUTLET WATER ACID RESET PLETE RESET IC CONTRO WATER PLETE COND INLET COLD HOT RESET CHECK ALARM
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I LAG 0.5 0 0 §
., RI 0 0 0 0 0 '
2 BACKWASH ' 60 15
3 LAG. 0.5 0 0
.D -- - *-ACID DRAW 24.5 RI 20 0 0 0 0 0 0 R 0 0 0 R 0 0.58 H2S04
4 D 0,9 NaOH CAUSTIC DRAW. 16 RI 0 0 -.
ACID DISPLACE 24.5 RI 0.
B 0 0 0 B 0 0 0 0 0 5 20 y y N R 0 0.9 NaOH
' 16 RI s CAUSTIC DRAW H s CATION RINSE 24.5 RI L L G 0 E E I
6 16 E 0 0 0 E H 0 0 0 CAUSTIC DISPLACE 14.2 RI C C C T T 0 0 N 0 -
C CATION RINSE 24.5 RI R R D 7 19 0 0 0 u 0 0 0 0 s ANION RINSE 75 RI s w C w I T C
- I 8 BED LEVEL DRAIN T C V 10 I 0 0 0 0 T 0 0 C I -H 0 0 0
. y 9 BACKFILL (12') 24.5 6 T RI H 0 0
10 SCFM A IR MIX (NO I) 147 10 0 0 0 0 I I LAG 0.5 0 0 §.
12 BED LEVEL DRAIN 5 0 0 0 0 0 0
13 AIR MIX (NO. 2l 147 0 0 0 0 SCFM 10 J3..
14 REFILL 75 RI 12 0.. 0 0 0 0 - B I 0 0 0 0 0
'i ~~ 15 FINAL RINSE 75 RI 5
~~ 0 0 0 0 ~
a: ; 16 Cc>>IDUCTIVITY CHECK 5 RI 2 O* ')'
ffi :Ii: ~ -
~ ~~ 17
- c Cl. '
z *-
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5i 18 SERVICE SI 0 0 I-w 5f M 0 0 0 0 0 E 3: 0 N,- --:E A SERVICE RINSE 75 RI 5 u CONDUCTIVITY CHECK 5 RI 2 0 0 0 0 A A L
LEGEND:~ VALVE OPEN (PIN INSERTED) RI REGENERANT INLET WATER H2S04 - 98S ACID A VALVE CLOSED SI SERVICE INLET NaOH - 50S CAUSTIC
R PUMP RUNNING PIN INSERTED ' UNIT - 2
. )'. P.G. & E. CO. DRAWING NUMBER 'REVISION
. SHEET OF SHEETS. ' 9 108004*
' I MICROFILM ' ISCANI I I 1cl RM INDEXED REV *
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