igure 1-19A. Process vessels. Figure 1-196. Pumps and solids.
~~
Plate Column Packed Column Spray Column Pulse Column
:eed
Filtrate
Solids
~ i b r aFeeder
~ i ~ ~
Batch Centrifuge
Absorbers, Strippers and Fractionators
Rotary Feeder Ribbon Blender or Conveyor
Coolont or
Heating Medium In
ant or Htg. Medium Out
Horizontal Vessel
(Jocketed 8 Agitated) Oil-Fired Heater I
4* Pump (All Types)
Verse! with Immersion Or Compreosor
Vessel wit.h Electrical
Strip Heaters
Coolont or Htg.
Coolant at
Htg. Medium I
Coolont cr
Htg. Medium
Cyclone
Horizontal Vessel
(Jacketed 6 Agitated) (internol Coils 8 Agitated)
Coolant or
Htg. Medium In
Coolont or
Htg. Medium Out
Vertical Vessel
(Infernal Coils 80 Agitated)
f Bucket Elevator
Figure 1-19C. Storage equipment.
Horizontal Ves
(Pressure Storage)
Gas Holder Atmospheric
Bag Collector Storage Tank
(Wet or Dry) Hopper Bin
Hand ling
- Figure 1-19D. Flow and instruments.
FeedB
T;
Main Process Flow Solids in Chutes
___) Utility Flow Gases in Ducts
Flow Rate
Filtrate Solids
Continuous Centrifuge Material Balance I
Stream Feed Overhead 1 Bottoms
Cl
C,
I
I
40
20
1
I
35
15 I
5
5 I
@
k z z l
Total Presrun
Screw Feeder
-d Overall Material Balance
(At Bottom of Flow Sheet)
Flow Balance
t-G 500 OF.
Temporature
Blower or Fan
Or Centrifugal Compressor
*All Manual Volves
I $, Fkmr
Arrortor
Vacuum Breaker
-@- Steam Trap P
-4
-
Thermowell
I
1
Jet
All Control Valves
--f)-Orifice Flowmeter Thermocouple
P Temporaturr Element
For Instrument
Belt Conveyor
Flight Conveyor
T Rotameter
A-J( n
Temperature
Controller
&)+
F,
Liquid Level Gage
j Controller
Size Reduction Equipment
Figure 1-19E.Filters, evaporators and driers.
- I
+ru
;m
Single Effect Evoporator Crystallizer I Downflaw Spray Drier
Htg. Medium Wash Wash
Tower with Integral Reboiler
a s t n o u t Medium
Htg.
Feed i
Htg. Medium Out Rotary Drier
-@
Plate and Frome Filter Filtrate
Continuous Rotary Filter
Htg. Medium In
Htg. Medium In
+
I Drum Drier or Flaker
Plate Filter
By permission, B.J. Oriolo, Oil and Gas Journal, 56, Nov. 17, 1958, pp. 152-3.
Rotary Kiln Htg. Medium Out
Process Planning, Scheduling and Flowsheet Design 21
Compressors
Horizontal Motor-Driven Steam -Driven Vertical ,Motor - D r i v e n V e r t i c a l , Motor - D r i v e n Rotary Blower Motor-Driven
Turbine Driven Steam Driven
Centrifugal Compressor Motor Driven Sump Pump Reciprocati ng Pu m p
Engine Driven Pump Vertical Centrifugal Motor Driven
(G = Gas or D = Diesel) Pump with Motor Reciprocating Pump
Turbine Driven Motor Driven
Rotary Pump Centrifugal Pump Centrifugal Pump
Figure 1-20A. Special types of descriptive flowsheet symbols.
-+I+- Orifice Plate +?+ Diaphragm Operated Butterfly Valve ‘e Pilot Light
---&-- Orifice Plate in Quick Change Fitting
&- Diaphragm Operated Angle Vaive
Data to Computer
e Venturi Tube or Flow Nozzle
Self-Contained Regulating Valve
Computer Set
4 Pitot Tube or Pitot Venturi Tube
Double Diaphragm Control Valve
Relay Function Designations
Types
Turbine or Propeller Type Eiement =Add
Hydraulic or Pneumatic Piston
Operated Control Valve
= Subtract
Rotameter
Rotameter with Integral
Thrott!e Vaive
2%- Rotary Motor Operated Control Valve -
+ = Bias
= Extract Square Root
Solenoid Operated Gate Valve
Chemical Seal - = Divide
Rupture Disc for Pressure Relief Three-way Solenoid Valve I_lrl = Multiply
Latch Type With Manual Reset
1:) = ~ooster
Rupture Disc for Vacuum Relief
v] Multiple Orifice Plate I>/ = High Select
Pressure or Safety Valve l<r = Low Select
Vacuum Relief Valve
Locally Mounted Instr. R EV Rev = Reverse
E/ P EIP = Potential to Pneumatic
Press. Pressure aind vacuum relief Valve @--- Main Panel Mounted lnstr.
(Conservation Vent) I/ p IIP = Current to Pneumatic
Local Panel Mounted Instr.
Float Operated Valve (LCV)
Wand Control Valve
a- Instr. Mounted Behind Panel
E / I E l l = Potential io Current
Figure 1-2OB. Commonly used
instruments for process instrumenta-
tion flowsheets. Adapted by permis-
Instr. with Two Functions sion, ISA Std. ANSI V32.20-1975,
4: Diaphragm Operated Control Vaive
FC = Fail Closed, FO = Fail Open ISA S5.1-1973, “Instrumentation
Diaphragm Operated Controi Valve Heat Traced Instr. Symbols and Identification,” Latest
with Handvvheel S = Steam, E = Electric edition, 1984.
22 Applied Process Design for Chemical and Petrochemical Plants
++#-.
*
.
Gate Valve
Globe Valve
f+
Angle Valve Fire Hydrant
A
LrJ Filter-Air Intake
Air Cleaner
Removable Pipe
Spool
-r -- --r Steam Traced
Line
& Plug Cock 8 P. T.
(Compressor
Suction)
-++
-
Steam Jacketed
Plug Valve Line
L---+
Sample Connection Pressure Tap Steam
--w
Check Valve Separator fzf Duct
4 --c
Stop Check C.S.O. = Car Sealed Open
C.S.C. = Car Sealed Closed
& Swage
L.O. = Locked Open Bootleg
Blowdown Valve L.C. = Locked Closed Dresser
Coupling
Ball Valve
--.fF- Filter
Seal Legs
4\+ Butterfly Valve
U
<’
Strainer Y
(B = Basket,
C = Cone, Gage Hatch
P = Plate)
Diaphragm Valve
$r “T” Type Strainer
b Manhole
L
Drain Conn. to
Closed System
* N.V.
Needle Valve
(Tag on Flow Sheet)
‘w “Y” Type Strainer @ Flame Arrester
Steam
Three-way Plug
Valve Twin Basket
Filler
aF Diffuser
Exhaust Head
Sample
Cooler
+
Mixer
Four-Way Plug
Valve 3 Screwed Cap
Trap-Steam
Three-way
Valve 0- Weld Cap
5 Slide Valve
Angle Valve
4 Trap-Vacuum
Booster (Lift)
Spray Nozzle
-1
’f
Blind Flange
Bull Plug -$-*
Spectacle
Blind
Hamer Blind
Stop Check Angle
Boiler Blowdown
T Suction Tee
’t’ Pipe
Ejector, Eductor, -E Hose Connection
Valve (Tandem)
Injector
& Exhauster
tTii+ Damper
a
a , T b
Strainer
Figure 1-20C. Flow diagram symbols: valves, fittings and miscellaneous piping. (Compiled from several sources, and in particular, Fluor
Corp, Ltd.)
