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COMPRESSION STATION
What is the function of the compression station?
Compression station is a system or arrangement of several
components located at intervals along a main pipeline to
maintain continues flow of the gas.
2AUGUST 2014
COMPRESSION STATION
What are the basic components of the compression station?
1. Gas receivers (tanks)
2. Gas scrubbers
3. Pressure pulsation dampeners
4. Gas compressors
5. Gas cooling system
6. Metering system
7. Piping system, control, safety and isolating valves
5AUGUST 2014
COMPRESSION STATION
6
Compressors
Dynamic Positive Displacement
Axial Flow Centrifugal Reciprocating Rotary positive Dis.
Screw
Lobe
Sliding Vanes
Liquid ring
AUGUST 2014
7
POSITIVE DISPLACEMENT COMPRESSORS CLASSIFICATION
It can be divided into two subgroups:
1. Reciprocating positive displacement compressors
2. Rotary positive displacement compressors
AUGUST 2014
8
ROTARY POSITIVE DISPLACEMENT COMPRESSORS
Rotary positive displacement compressors include:
1. Screw compressors
2. Lobe compressors
3. Sliding vane compressors
4. Liquid ring compressors
AUGUST 2014
11
ROTATING AND OSCILLATING COMPONENTS
1. Crankshaft and the connecting rod converts the rotary motion of the
crankshaft into reciprocating motion of Crosshead.
2.Piston rod transmits this reciprocating motion to the piston head. The
piston head reciprocate in the cylinder
13
RECIPROCATING COMPRESSOR PRESSURE PULSATION DRUMS
Gas scrubber and pressure pulsation drum on the suction side and pressure pulsation dampener on discharge side
AUGUST 2014
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