Reference Manual

10B −22
KAMYR
TAG#
KAMYR CONTINUOUS DIGESTER
FISHER CONTROL VALVE
PRODUCT DESIGN
Application Description
Control
Function
V150 V200 V300 V500 CV500 DSV 8580
Typical
Valve
Sized
HV-54
Top Circulation Pressurization
This valve supplies cooking liquor to top
circulation line to pressurize it before pumping
T P 3’’
HV-62
(1)(2)
Bottom Circulation Isolation
This valve isolates Impregnation Vessel. It is
on the discharge line feeding the digester
O/O 12’’
HV-65
(1)
Impregnation Vessel Cooling Liquor Flow
filtrate from blow line is added to the
Impregnation Vessel to bottom dilution zone
T P 6’’
HV-81
(2)
Blow Line Isolation
Valves isolates digester blow line
O/O 10’’
HV-87
Blow Line Dilution
Blow line dilution and pressurization line prior
to opening HV81
T P 2’’
HV-90A
Blow Line Isolation (A)
Valve isolates blow line A from blow line B
T P 8’’
HV-90B
Blow Line Isolation (B)
See HV90A
T P 8’’
HV-120
(2)
Sample Valve (Digester)
This valve is used to monitor pulp quality
O/O 1-1/2’’
HV-120B
(2)
Sample Valve (Blow Line)
See HV120A
O/O 1-1/2’’
QV-27
White Liquor to Sand Separator
This valve is a purge for the Sand Separator
O/O P 1’’
KV-8A
(1)
Trim Liquor Switching − This valve extracts
liquor through screens to Bottom Circulation
Heaters.
O/O P 6’’
KV-8B
(1)
Trim Liquor Switching
Same as KV8A
O/O P 6’’
KV-16A
Digester Extraction Switching
These valves provide screened liquor
extraction from upper wash zone to Flash
Tank No. 1
O/O P 8’’
KV-16B
Digester Extraction Switching
See KV-16A
O/O P 8’’
KV-16C
Digester Extraction Switching
See KV-16C
O/O P 8’’
KV-16D
Digester Extraction Switching
See KV-16A
O/O P 8’’
KV-19A
Modified Cooking Extraction Switching
These valves extract liquor in the modified
cooking zone and send it to the Modified
Cooking Heater
O/O P 8’’
KV-19B
Modified Cooking Extraction Switching
See KV-19A
O/O P 8’’
KV-19C
Modified Cooking Extraction Switching
See KV-19A
O/O P 8’’
KV-19D
Modified Cooking Extraction Switching
See KV-19A
O/O P 8’’
KV-20A
Wash Extraction Switching − This valve
extracts wash water to the wash heater
O/O P 8’’
KV-20B
Wash Extraction Switching
See KV20A
O/O P 8’’
KV-24
(2)
Sand Separator Dump Valve
This valve is known as the pocket valve
O/O
1. Dual vessel only.
CODE: P = Primary selection, S = Secondary selection, T = Throttling, O/O = On/Off