Flare System Inquiry - Specification
Client:
Your Ref:
Contact Name:
Phone:
Email Address for Correspondence:
Plant Location (eg. Offshore / Middle East):
Service (Continuous / Disposal / Emergency):
Flow Parameters
Units
Case
A
B
C
D
Total Flow Max
Min
Gas Composition
Mol %
Methane CH
4
Ethane C
2
H
6
Propane C
3
H
8
N & ISO Butane C
4
H
10
N & ISO Pentane C
5
H
12
Hexane C
6
H
14
Heptane C
7
H
16
Octane C
8
H
18
Nonane C
9
H
20
Ethylene C
2
H
4
Propylene C
3
H
6
Butylene C
4
H
8
Pentene C
5
H
10
Acetylene C
2
H
2
Butadiene C
4
H
6
Benzene C
6
H
6
Toluene C
7
H
8
Cyclohexane C
6
H
12
Ethylbenzene C
8
H
10
Styrene C
8
H
8
Xylene (o, m, p) C
8
H
10
Methanol CH
3
OH
Ethanol C
2
H
5
OH
Hydrogen Sulphide H
2
S
Ammonia NH
3
Nitrogen N
2
Oxygen O
2
Carbon Dioxide CO
2
Carbon Monoxide CO
Water Vapour H
2
O
Hydrogen H
2
Sulphur Dioxide SO
2
Carbonyl Sulphide COS
Carbon Disulphide CS
2
Allowable Back Pressure
Required Smokeless Flow
Temperature
Specific Gravity Air = 1.0
Molecular Weight
Net Heating Value
Ratio of Specific Heats Cp/Cv
Type of Flare:
Conventional Low Pressure
Sonic HP
Burn Pit Flare
Ground Mounted Flare
Smoke Suppression Using:
Steam
Air Assist
Gas Injection
Staged Burners
Variable Slot
Flare Structure Required:
None
Most Economic
Guyed
Derrick Tower
Guyed Derrick Tower
Demountable Riser
Height Selection
Based on Thermal Radiation:
Limit radiation to
Btu/hr*ft
2
at
ft distance
Minimum Height specified by client:
Minimum Height
ft
Based on Dispersion of Toxic Elements:
Toxic Element
Max GLC
ppm
Ancillary Items:
Water Seal Drum
Knock Out Drum
Ignition System:
Manual Flame Front
High Energy Electric
Auto Flame Front
Area Classification
Instrumentation:
Pilot Thermocouples
Remote IR Camera
Steam Flow Control & Monitoring System
Local Pilot Status Lamps
Remote Pilot Fail Alarms
Client Special Considerations:
