1. FULL BENZOLE SYSTEM
Level Control
3.OIL TO VAPOURS
2E401/2.
4.OIL TO OILS
1/2E414.
5.FINAL HEATERS
2E403/4.
6.VAPOUR
BOX.2G402
7.BZ STILL120°c
90°c
11. Lean oil
in.(27°c).
1/2P406
1/2P405
1/2P404
1/2P401
1/2P401
1/2P402
1/2P407 1/2P408
1/2P409
10.Circulation Tank
9.CREOSOTE
COOLERS.
1/2E405/6/7/8
0P409/10
.
2P410
Cooling
Water in
Cooling
water out
2P412
20°c 82°c
18.CONDENSER 17.DEPHLEGMATOR
19.TALLBOY20.BZ
SEPERATOR
22.BENZOLE
RECIEVER
21.PHLEGM OIL
1P414
OP415/6
1/2T410
23.BENZOLE
STORAGE
24.TO OUTLOADING
CONDENSATE TO
0T415 TANK
MP STEAM 10.5 Bar
HEATING COIL
2P424
TO 0T412
SLUDGE TANK
2P414
30°c
12.PURIFIER
LP STEAM
1.1Bar
13.Xmas tree
1/2c401
1. BZ WASHER
.STRIPPEDOIL
14.PHLEGM OIL
FOW
15.OIL BLEED
FROM STILL
16.REFLUXED
LIGHT ENDS
1T404
2T404
170°c.
108°c
8.WEIR
WEIR
2C404
2G401
0G403
2E412/1E4112E411/1E412
2LIC-407
LEVEL CONTROL
0P435
1/2C402
2. BZ WASHER
1/2405
2C403
BENZOLE STILL
HAS 14 BUBBLE
TRAYS
1/2LIC-404
LEVEL CONTROL
RICH OIL TEMP
IN 28°c
RICH OIL TEMP
OUT FROM
1/2c401.( 29°c).
LEVEL CONTROL
1/2LIC-406
FLOW CONTROL
1/2FIC-404
2LIC-409
FLOW CONTROL
2FI-405

2. 1/2P407
Transfer
1/2P408
Transfer
1/2P406
Re-circulation
Pump
1/2P405
Re-circulation
Pump
1/2P404
Re-circulation
Pump
1/2P401
Re-circulation
Pump
1/2P402
Re-circulation
Pump
1/2P403
Re-circulation
Pump
Level
Control
Level
Control
Gas from
Ammonia
Washers 27°c
BENZOLE SCRUBBERS OIL AND GAS FLOWS
COKE OVEN GASS TO THE
BOOSTERS 29°c
2 5
31/2C402 1/2C401
Lean oil flow control
Transfer
1/2P409
CAN OPERATE FOR
EITHER 1/2P407/8
1.
2.
1. 1C402 SCRUBBER
2. 1C401 SCRUBBER
3. LEAN OIL FLOW
4. RICH OIL FLOW
RICH OIL
TO STILL
Gas from
1c401. 28°c
1C402 1C401
28°c
GAS OUT

3. BENZOLE RICH OIL FLOW
1/2P401
1/2P402
1/2P403
1/2P408
Level
Control
LEAN OIL IN
29°c
1C401 SCRUBBER.
2P410
Level
Control
1.
2.
3.
4.
5.
6.
1. 1C401 SCRUBBER.
2. OIL TO VAPOURS.
3. OIL TO OILS.
4. FINAL HEATERS.
5. VAPOUR BOX.
6. 2C403 BZ STILL.
7. RICH OIL FLOW.
8. LEAN OIL FLOW.
BENZOLE STILL
HAS 14
BUBBLE TRAYS
OIL TO VAPOURS.
OIL TO OILS.
FINAL HEATERS.
VAPOUR BOX.
2C403
BZ STILL
Re-circulation Pump
Re-circulation Pump
Re-circulation Pump
VAPOUR EXITS AT
APPROX 108°c.
120°c
To
oil to oils
90°c
110°c
28°c

4. BENZOLE VAPOUR RECOVERY
1.
2
3. 4.
5.6.
7.8.
9.
2P414
1P414OP415/6
TO OUTLOADING
1. BENZOLE STILL 2C403.
2. OIL TO VAPOURS.
3. CONDENSOR.
4. DEPHLEGMATOR.
5. TALL BOY.
6. BENZOLE SEPERATOR.
7. PHLEGM OIL TANK.
8. BENZOLE RECIEVER.
9. BENZOLE STORAGE TANK
1/2T405.
10. VAPOUR FLOW.
11. PHLEGM OIL/CONDY.
12. PHLEGM OIL.
13. BENZOLE/CONDY.
14. BENZOLE.
15. COOLING WATER.
16. CONDENSATE.
20°c 82°c
COOLING WATER IN
COOLING WATER OUT
COOLING WATER IN
COOLING
WATER OUT
1/2T410
VAPOUR EXITS AT
APPROX 107/8°c.
BENZOLE STILL
HAS 14
BUBBLE TRAYS
BENZOLE STILL
OIL TO
VAPOURS
OIL TO
VAPOURS
CONDENSER DEPHLEGMATOR
BZ
SEPERATOR
TALLBOY
BENZOLE
RECIEVER
PHLEGM OIL
BENZOLE
STORAGE 2C403
Condensate to
0T415
90°c

5. Cooling Water in
Cooling water out
Creosote coolers
Circulation Tank
2P412
Flow
controller
1/2C402
scrubber
Oil to oil heat
exchangers
Level
control
2P410
2.
3.
4.
5.
BENZOLE LEAN OIL FLOW
1.
1. 2C403 BZ STILL.
2. OIL TO OILS.
3. CREOSOTE COOLERS.
4. 1/2T405.
5. 1/2C402 SCRUBBER.
6. LEAN OIL FLOW.
1/2T405.
2C403 BZ STILL.
BENZOLE STILL
HAS 14
BUBBLE TRAYS
2P411
CAN OPERATE FOR EITHER 2P410/12
30°c

6. PURIFIER AND STILL SET UP
2C403 BZ STILL.
PURIFIER
4. LP STEAM
1.1 Bar
6. RICH OIL IN
VAPOUR OUT
5. MP STEAM 10.5 Bar
HEATING COIL
2P424
8. TO 0T412
SLUDGE TANK
1.
2.
3.
1. VAPOUR BOX.
2. 2C403 BZ STILL.
3. 2C404 PURIFIER.
4. LP STEAM. 1.1 Bar
5. MP STEAM.
6. RICH OIL.
7. XMAS TREE.
8. HEAVY ENDS.
7. XMAS TREE
Level
Control
BENZOLE STILL
HAS 14
BUBBLE TRAYS
2C404
VAPOUR BOX
120°c
170°c
108°c

7. 3. ODT
2.Seal pot
Main
Naphthalene
Washer
1
Demister pad
17.Heating coil
LP 1.1Bar
1/2p202
1/2p201
1/2P215
COMMON
PUMP
000000
8
8
6
6
SEPERATOR
0G202
NAPTHALENE
STORAGE TANK
0T204 40°c
18.Heating coil
LP 1.1Bar.
Oc202
NAPHTHALENE
STILL
CONDENSOR.40°c
0E202
120°c
TO BENZOLE
PRODUCT TANK
CONDENSATE
TO 0T415.7 BUBBLE
TRAYS
7 BUBBLE
TRAYS
14.TO 0T412 SLUDGE TANK
115°c
1/2P211,
0P212 8.LEAN OIL TO MAIN
NAPHTHALENE WASHER
19.Cooling water
coil
Divide tank
0T203
FULL NAPHTHALENE SYSTEM
5.
6.
12.
10
7.
9.
11
13
15.
16.
MAIN HEATER.
MP STEAM 140°c
0E201
4. RICH OIL FROM
MAIN NAPHTHALENE
WASHERS. 42°c
22.
21. GAS TO
AMMONIA
WASHERS 43°c
23.LP STEAM
1.1Bar
120oc
45oc
COOLING
WATER IN.
COOLING
WATER OUT.
2P424
GAS IN FROM
DETARRERS
38-40°c
LEVEL CONTROL
MP STEAM 10.5 Bar
CONTROL VALVE
FLOW CONTROL
FLOW CONTROL
0P218
0C202
1/2T201
LEVEL
CONTROL

8. 1. 1/2C201 NAPHTHALENE WASHER.
2. SEAL POT.
3. OIL DECANTER TANK.
4. DEWATERING POINT.
GAS FLOW.
OIL FLOW.
LEAN OIL.
RICH OIL.
Seal pot
Main
Naphthalene
Washer
1/2P202
6. Petroleum oil
circulation
1/2P201
petroleum oil
circulation
5. Gas in from
detarrer,s
10.Gas to ammonia
washers
1
24
Demister pad
9. Heating coil
LP 1.1Bar
MAIN NAPHTHALENE WASHER FLOWS
7. LEAN OIL FROM
DIVIDE TANK
8. RICH OIL TO STILL
Aim is 1-2°c higher than
entry temperature
OIL DECANTER TANK
1/2T201
3
.
Dewatering point
1/2p215
Operates for either
1/2p201/2
4

9. 1/2P211,
0P212
Divide tank
MP steam 10.5 BAR
Temperature
control Valve
140 ° C
1.
2.
3.
Naphthalene vapour
Condensate to
fire fighting
pump house heating
Cooling water
coil
5. LEAN OIL TO MAIN
NAPHTHALENE WASHER
4. RICH OIL FROM
MAIN NAPHTHALENE
WASHERS. 42°c
NAPHTHALENE STILL 0C202 OIL FLOWS
1. 0C202 NAPHTHALENE STILL
2. DIVIDE TANK.
3. MAIN HEATER. 140°c
4. RICH OIL FLOW
5. LEAN OIL FLOW
0C202
NAPHTHALENE
STILL
MAIN HEATER.
140°c
120°c
115°c
120°c
7 BUBBLE
TRAYS
7 BUBBLE
TRAYS

10. NAPHTHALENE VAPOUR FLOW
column
1.
NAPHTHALENE
STILL
7. Naphthalene vapour
000000
8
8
6
6
CONDENSOR . 40°c
5.
2.
3.
6.
1. 0C202 NAPHTHALENE STILL
2. KNOCKOUT POT.
3. CONDENSOR.
4. ADJUSTABLE WEIR.
5. SEPERATOR.
6. NAPTHALENE STORAGE TANK.
7. VAPOUR FLOW.
8. REFLUX LINE.
9. LOW PRESSURE STEAM.1.1bar.
10. HEATING COIL.
11. CONDENSATE/NAP OIL.
12. NAPHTHALENE OIL.
13. CONDENSATE.
4
8.
9. LP STEAM
1.1 Bar
10.Heating coil.
11.
TO 0T412 SLUDGE TANK
TO BENZOLE PRODUCT TANK
13. CONDENSATE TO 0T415.
NAPTHALENE
STORAGE TANK
0T204
SEPERATOR
0G202
0C202
40°c
7 BUBBLE
TRAYS
7 BUBBLE
TRAYS
120°c
LIQUID REFLUXED
BACK INTO THE STILL
0P205/6

11. 1/2p311/2
1/2p314/5
To lime
sump
GAS TO BENZOLE
WASHERS 27°c
COOLING
WATER IN
COOLING
WATER OUT
VAPOUR OUT
DEPHLEGMATOR
1/2E304
85°c
Heat exchangers
1/2e306
PLATE COOLER
1/2E308
TO INCINERATOR
1/2F301
1/2T301
1/2C302 1/2C301
GAS FROM NAPHTHALENE
WASHERS 40°c
1/2337
1/2P303
1/2P302
1/2P301/7
1/2P308
1/2P309
1/2P310
COMMON PUMP
1/2P319
GAS OUT 28°C
COOLING
WATER IN
SECONDARY
COOLERS
KNOCKOUT POT
AMMONIA STRONG LIQUOR FLOW
1/2p306
1/2p304
1/2p305
LEVEL
CONTROL
STRONG LIQUOR
STORAGE
AMMONIA
STILL
1/2C303
LEVEL
CONTROL
18m³/HR.
1c302
18m³/HR.
2c302
INTO SUCTION
OF 1/2P306
LEVEL
CONTROL
FLOW CONTROL
40m³/HR.
1/2T305
STRONG LIQUOR TANKS
1/2t301
1.
2.
1.
3.
1.
6.
5.
4.
10.
8.
7.
9.
11.
12.
13.
14.
15 VALVE
TRAYS
15.

12. 1/2p306
1/2p305
1/2p304
1/2p337
1/2p307
1/2p302
1/2p303
AMMONIA SCRUBBERS
1/2P308
1/2P310
1/2P309
TO 1/2T301
GAS FROM MAIN
NAP WASHERS
40°
GAS TO
BENZOLE SCRUBBERS
27°c
1/2c302
1/2c301
FROM 1/2C303
28°c
SECONDARY
COOLERS
LEVEL
CONTROL
LEVEL
CONTROL
FLOW
CONTROL

13. 1/2C303 FREE STILL STRONG LIQUOR FLOW
DEPLEGMATOR 85°c
K/O POT
1/2C303
15 VALVE
TRAYS
HEAT EXCHANGERS
1/2E306
COOLING WATER IN
PLATE COOLERS
1/2E308
COOLING WATER OUT COOLING WATER IN
COOLING WATER OUT
18m³/HR STRIPPED LIQUOR
TO 1C302
18m³/HR STRIPPED LIQUOR
TO 2C302
1/2T301 STRONG
LIQUOR STORAGE
40m³/HR STRONG
LIQUOR
TO 1/2C303
40m³/HR STRONG
LIQUOR
36m³/HR STRIPPED
LIQUOR OUT
VAPOUR TO 1/2F301
INCINERATOR
REFLUX LINE
LP STEAM IN.
1.1Bar
APPROX 4m³/HR STRIPPED
LIQUOR TO LIME SUMP
1/2P319
1/2p314/5
1/2p311/2

14. 1/2C304 AND 0C305 FIXED AND FREE STILLS
LP STEAM
1.1 Bar
FIXED SECTION
FREE SECTION
CAUSTIC IN
FIXED AMMONIA
VIRGIN LIQUOR INVIRGIN LIQUOR INCAUSTIC IN
VAPOUR OUT
TO 1/2F301
INCINERATOR
VAPOUR OUT
TO 1/2F301
INCINERATOR
STRIPPED LIQUOR
TO LIME SUMP
STRIPPED LIQUOR
TO LIME SUMP
8 BUBBLE TRAYS
9 BUBBLE TRAYS
0C305 1/2C304
LP STEAM
1.1 Bar
19 VALVE TRAYS
BLEED TO ANALYSERS

15. 0C305 FIXED AND FREE STILL FLOWS
COOLING WATER IN
COOLING WATER OUT
VAPOUR TO 1/2F301
INCINERATOR
K/O POT
REFLUX LINE
LP STEAM
1.1 Bar
LEVEL
CONTROL STRIPPED LIQUOR
TO LIME SUMP
BLEED TO ANALYSERS
DEPLEGMATOR 85°c
0C305
0/1/2T105, 0T112
VIRGIN LIQUOR STORAGE
TRANSFER PUMPS
0P126,1/2P117,1/2P312
CAUSTIC PUMP
CAUSTIC TANK
0T312/3
+30°c
HEATING COIL
LP 1.1Bar
CAUSTIC FROM
TANKER OFFLOADING
POINT

16. TAR AND LIQUOR FLOWS
0T112
VIRGIN LIQUOR
DOWNCOMER

17. SPIRAL COOLER LIQUOR FLOW

18. BIOLOGICAL EFFLUENT PLANT
SLUDGE
TO
RECYCLE
SLUDGE
TO
RECYCLE

19. INSTRUMENTS ON PLANT
INSTRUMENT AIR

20. BY-PRODUCTS PLANT EQUIPMENT
PLATE COOLER 1E308
Hot
liquor in
Cooled
liquor out
Cold water
In from cooling
tower
Hot water
out to cooling
tower

21. SPIRAL SECONDARY COOLER
HOT IN FROM
1/2P301/7
COLD IN FROM
COOLING TOWER
TO 1/2C302
COOLED LIQUOR OUT
HEATED WATER
OUT TO COOLING
TOWER

22. SHELL AND TUBE HEAT EXCHANGER
Vapour In
Vapour
Out
COOLING
Water Out
Product
Out
COOLING
Water In
End Views 4 Pass Tube and Shell
1.
4.
2.
Flange Flange
Dividers
Dividers
3.
Tubes

23. chandelier
Insulator
Turrets (3 of)
Vent
Gas seal pot
To 0A102
low level sump
1
6
TOP FLUSH
BOTTOM FLUSH
Gas In From
Exhauster 30°c
Gas out to main
Naphthalene washer
40°c
Flow Control Valve
Flow Control Valve
Tar Loaded
Coke Oven Gas
Nitrogen In
HV Rectifier
Power In
Flushing Liquor
Turret temperature
maintained between
30°c and 70°c
1V101 AND 2V102 DETARRERS
Electrode wires
Tension Weights

24. DETARRED INTERNAL VIEW OF CHANDELIER
DETARRER CASING
CHANDELIER WIRES
TENSION WEIGHTS
139 HEXAGONAL TUBES
ENCORPORATING ELECTRODE WIRE
ELECTRODE WIRE
FROM CHANDELIER

25. PRIMARY COOLERS 1/2C101/2
8 No tar sprays
Only 4 in service
At any time
9 No Liquor Sprays
9 No Liquor Sprays
Liquor In
Liquor In
Liquor Out
Liquor Out
1p103/2p101
Spiral Coolers
1/2p102
1/2p112
Gas In
Tar In 5m³/hr.
Gas Out
Common
Standby
1p101/2p119
Low Level
Sump
Tar & Liquor
Decanters
Desludging Point
Rodding
Point
Syphon Breaker
Overflow
Gas In
726m³/HR.
28oC

26. From
downcomer
(all units)
From primary
coolers
(all units)
From low level
sump 0A102
Spiral coolers hot flush
discharge line
(1 & 3 only
Sludge scraper
Tar weir
Liquor
overflow
Sludge skip
Chute
Baffles
To 1/2T102
pump tank
To 0T104/111
Liquor receiving
tank
TAR & LIQUOR DECANTERS
Xmas
tree
Desired tar level
SLUDGE SKIP EMPTIED
INTO TAR POND ROT
To Tar Storage
Excess Liquor
to 0,1,2T105/
0T112 Virgin Tanks
1/2p121/2

27. Gas Booster 1/2B501/0B502
Electric Motor
Fluid Coupling Oil Filter
Aux. Lube
Pump/Motor
Lube Oil
Cooler
Gas
Inlet
Outlet
Booster
Gear
Box
Fluid
Coupling
Motor
Speed Control Unit
FLUID DRIVE
Heaters &
Thermostats
Water
Oil Filters
Instrument
Panel
Auxiliary oil pump pressure 2.2 barg
Auxiliary oil pump stops & main pump takes over at 2.75 barg
Auxiliary oil pump restarts at 2.15 barg
Oil temperature trip set at 10 DegC

28. AUTO / MANUAL
HP STEAM TURBINE
17.5Bar COUPLING
COKE OVEN GAS
TURBINE
GOVENOR
AUTO/ MANUAL
STATION .
CONTROL PANEL
OIL TANK
HP STEAM 17.5Bar
IN
LP STEAM 1.1Bar
OUT
HP STEAM GAS EXHAUSTER.
1.Auxiliary oil pump cuts out at approximately 4.9 barg
2.Auxiliary oil pump cuts in at approximately 4.2 barg
3.Auxiliary oil pump outlet pressure is approx 4.4 barg
4.Main oil pressure is 5.3 barg
5.Lube oil pressure is 2.0 barg
6.Bearing oil pressure is
7.Low oil pressure trip is
1.2 barg
0.9 barg

29. TYPES OF PUMP ON PLANT
CENTRIFUGAL PUMP
ELECTRIC MOTOR PUMP SECTION
DRIVE SHAFT
CASINGPOWER SUPPLY
BED PLATE

30. POSITIVE DISPLACEMENT/ RECIPROCATING PUMP

31. BASIC BALL VALVE
1.
2.
3.
4.
5.
6.
8.
7.

32. GATE VALVE
BOLTS

33. BLAGDON PUMP
1
2.
3.
4.
5.
9.
7.
6.
8. 9.
10.
11.
12.

34. BUTTERFLY VALVE

35. ATEX CERTIFIED
ELECTRIC MOTOR HELICAL
CASING
DISK
STEM
PINION SPRING PACK
POWER IN
TORQUE SWITCH
DRIVE SLEEVE
WORM YOKE
FLANGE
AUTOMATIC CONTROL VALVE

36. RETURN SPRING
DIAPHRAGM
ACTUATOR STOP
STEM
AIR INLET FROM
POSITIONER
RETURN SPRING
STEM SEALS
CONTROLLER SIGNAL
ACTUATOR STOP
COMPRESSED
AIR SUPPLY
PNEUMATIC CONTROL VALVE
BUTTERFLY VALVE
FLANGE

38. AMMONIA STILL HINDLE VALVE
Pivot Point
Open Solid
Hindle valve in
online position.
Vapour pipework
Spectacle section of hindle
Locking nut

40. GAS HOLDER SEALANT PUMP TANK