Reference Manual

10B −21
KAMYR
TAG#
KAMYR CONTINUOUS DIGESTER
FISHER CONTROL VALVE
PRODUCT DESIGN
Application Description
Control
Function
V150 V200 V300 V500 CV500 8580
Typical
Valve
Sized
PV-16
No. 1 Flash Steam Pressure
this valve controls pressure in No. 1 Flash Tank
T P 10’’
PV-17
No. Flash Steam Pressure
This valve controls pressure in No. 2 Flash Tank
T P 18’’
PV-30
(1)
Impregnation Vessel Pressure Relief
Relieves excess liquor from Impregnation
Vessel to No. 2 Flash Tank
T P 4’’
TV-2
Chip Bin Temperature
Takes steam from flash tank #2 to provide
steam for atmospheric presteaming in Chip bin
T P 18’’
TV-2A
Chip Bin Temperature
Provides alternate source of steam from low
pressure steam line to Chip Bin
T P 8’’
TV-19H
Modified Cooking Circulation Temperature
Valve controls steam to Modified Cooking
Heater which controls temperature of liquor to
upper wash zone
T P 6’’
TV-20H
Wash Circulation Temperature
Controls low pressure steam to Wash
Circulation Heater of the Digester
T P 6’’
TV-60A
(1)
Bottom Circulation Temperature
Valve controls steam to Bottom Circulation
Heaters which control temperature of liquor
leaving heaters to bottom zone of the
Impregnation Vessel
T P 6’’
TV-60B
(1)
Bottom Circulation Temperature
Same as TV60A
T P 6’’
TV-60C
(1)
Bottom Circulation Temperature
Same as TV60A
T P 6’’
HV-5
Steaming Vessel Relief
Relief Valve, sends steam to Condenser
T P 6’’
HV-5A
Steaming Vessel Relief Screen Blowback
This valve is used to blow back fresh steam to
clean relief screen
O/O S P 1.5’’
HV-8
(1)
Trim Liquor Downflow
Controls liquor extracted from upper screens
and sends it to bottom Circulation Heater
T P 8’’
HV-16
Digester Extraction to No. 1 Flash Tank
this valve controls extraction flow from
extraction screens KV16A, B, C, D to Flash
Tank #1
T P 8’’
HV-19
Modified Cooking Circulation Flow
Control liquor flow to modified cooking zone
from Modified Cooking Heater
T P 8’’
HV-20
Wash Circulation Flow − Controls wash liquor
from bottom of digester to the Wash Circulation
Heater of the main Digester
T P 4’’
HV-51
(2)
Top Circulation Isolation − Isolation valve for
liquor being sent back to High Pressure Feeder
from Impregnation Vessel. Special male flanges
O/O 14’’
HV-52
(2)
Top Circulation Isolation − this valve isolates
high pressure feeder from the Impregnation
Vessel. Installed on main chip/liquor feedline
O/O 14’’
1. Dual vessel only.
CODE: P = Primary selection, S = Secondary selection, T = Throttling, O/O = On/Off