ML21305A847
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.91 92 93 g4 I
~5 96 97 98 99 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)
E STEP SWITCH NO.
A B
E F
C D
G H
I K
L M
N 0
p J
Q R
s T
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 CAUSTIC AIR ISO-BACK-LEAK PUMP WATER OFF TEMP PUMP OFF OFF STEP FUNCTION AND DESCRIPTION RATE SOURCE TIME FACE VENT SERIES UTION Co.t-RINSE TIMER CCM-REGEN (GPM)
(MIN)
ACID INLET INLET LATION WATER WASH OFF
- AUST IC CONTRO WATER PLETE COND INLET OUTLET OUTLET INLET OUTLET OUTLET WATER ACID RESET PLETE RESET INLET COLD HOT RESET CHECK ALARM
/
I LAG 0.5 0
0
§ RI 0 0 0
0 0
2 BACKWASH 60 15 3
LAG 0.5 0
0
.D 0.58 H2S04 ACID DRAW 24.5 RI 20 0
0 0 0
0 0 R
0 0 0
R 0 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 C
CAUSTIC DRAW H
16 RI s
s E
E I
CATION RINSE 24.5 RI L
L G
0 6
16 E
0 0 0 E
H 0
0 0
CAUSTIC DISPLACE 14.2 RI C
C C
T T
0 0
0 N
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 10 I
0 0
0 0
T 0
0 8
BED LEVEL DRAIN T
C V
C I
RI H
0 0
H 0
0 0
9 BACKFILL (12')
24.5 6
T y
A IR MIX (NO I) 147 10 0
0 0
0 10 SCFM 0
0
§ I I LAG 0.5 12 BED LEVEL DRAIN 5
0 0
0 0
0 0
J3 13 AIR MIX (NO. 2l 147 0
0 0
0 SCFM 10 ffi
~
- c
'i 14 REFILL 75 RI 12 0
0 0
0 0
B I
0 0 0
0 0
~~
15 FINAL RINSE 75 RI 5
~~
0 0 0
0
~
a: ;
16 Cc>>IDUCTIVITY CHECK 5
RI 2
O*
')'
- Ii: ~
~~
17 Cl z
5i 18 SERVICE SI 0
0
~-
I-w 5f M
0 0 0
0 0
E :E A
SERVICE RINSE 75 RI 5
3: 0 N
u CONDUCTIVITY CHECK 5
RI 2
0 0
0 0
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 A
P.G. & E. CO.
DRAWING NUMBER
'REVISION
)'.
9 108004*
SHEET OF SHEETS I
MICROFILM ISCANI I
I 1cl RM INDEXED REV
- I APPD. J&CI I s...;'
- -*