Reference Manual

10B −20
KAMYR
TAG#
KAMYR CONTINUOUS DIGESTER
FISHER CONTROL VALVE
PRODUCT DESIGN
Application Description
Control
Function
V150 V200 V300 V500 CV500 8580
Typical
Valve
Sized
FV-3A
High Pressure Feeder Purge
White liquor flow control to purge
High Pressure Feeder end bells
T P 2’’
FV-3B
White Liquor to Bottom Circulation
Controls white liquor to Bottom Circulation
T P 2’’
FV-3C
White Liquor to Bottom Circulation
Controls White Liquor to Bottom Circulation
T P 2’’
FV-3D
White Liquor to Modified Cooking Circulation
Controls white liquor to Modified Circulation
T P 3’’
FV-3F
White Liquor Flow to Make-Up Liquor Line
this is the white liquor flow to the
Impregnation Vessel
T P 3’’
FV-4
Black Liquor Flow
Washer filtrate is sent to black liquor line
from Level Tank to cool black liquor
T P 3’’
FV-12A
Blow Line Flow (a)
Controls flow from main Digester.
10-12% consistency
T P 6’’
FV-12B Blow Line Flow (B). See FV12A T P 6’’
FV-14
Inner − Counterwash Flow
Controls liquor flow to pulp washing section
T P 4’’
FV-60
(1)
Bottom Circulation Flow
Black liquor added to outlet of Impregnation
Vessel to raise temperature of chips and liquor
to Digester
T P 8’’
FV-61
(1)
Impregnation Vessel Bottom Dilution (Lower)
Adds liquor to dilution zone to assist discharge
of chips and liquor from Digester
T P 6’’
FV-61A
(1)
Impregnation Vessel Bottom Dilution (Upper)
See FV61 except upper zone
T P 6’’
PDV-18
Digester Outlet Device Differential Pressure
Adds liquor to assist in chip discharge
from Digester and regulate consistency
T P 4’’
LV-6
Chip Chute Level
Controls liquor level in Chip Chute
T P 8’
LV-7
Level Tank Level
Valve controls liquor level in tank.
Full 300 psi drop across valve is possible
T S P 6’’
LV-16
No. 1 Flash Tank Level
Controls level in No. 1 Flash tank
T P 30’’
LV-17
No. 2 Flash Tank Level
Controls level in No. 2 Flash tank
T P 20’’
PV-5
Steam Vessel Pressure
provides low pressure steam to Steaming
Vessel
T P 8’’
PV-5A
Steaming Vessel Safety Relief
Relief valve for Steaming Vessel
T P 8’’
PV-10
Digester Pressure Relief
this valve relieves excess liquor from
top screens to Flash Tank No. 2
T P 4’’
PV-11
Digester Pressure
This valve regulates digester pressure and
controls temperature using washer filtrate in the
discharge zone
T P 6’’
1. Dual vessel only.
CODE: P = Primary selection, S = Secondary selection, T = Throttling, O/O = On/Off