When is a liquid ring compressor selected for hydrogen compression?
Diaphragm, reciprocating and centrifugal compressors are widely used for hydrogen compression. Liquid ring compressors, however, are applicable to specific working conditions as listed:
1. Medium-low pressure crude/recovered hydrogen with moisture and impurities
2. Discharge pressure typically less than 5 bar(A)
Main advantages: simple construction, good resistance to moisture & impurities, smooth operation. Downsides: relatively low efficiency, not for high-pressure service. Ideal for hydrogen recovery and transfer in chlor-alkali and petrochemical sectors.
Applications of Liquid Ring Hydrogen Compressors
The unit shown in the figure is a hydrogen compressor for caustic soda projects, with model J2BE1-253-740.
The liquid ring hydrogen compressor shown in the figure is Model J2BE3420-490. The medium handled under this operating condition is wet hydrogen, with a discharge pressure of 0.1 MPa(G) and an intake capacity of 6320 Nm³/h (hydrogen) + 300 Nm³/h (water vapor).
This liquid ring hydrogen compressor package consists of: compressor, motor, speed reducer, plate heat exchanger, gas-liquid separator, piping, manual valves, safety valve, check valve, make-up and drain solenoid valves, pneumatic control valve, pressure transmitters, temperature transmitters, field instruments, explosion-proof junction boxes, etc. The unit is mounted on a common base frame. The main body of the pump head is made of carbon steel.
If you have demands for wet hydrogen compression and transfer in ion-exchange membrane caustic soda projects, you may email us for equipment selection. Email: vera@bokezhenkong.com WhatsApp: +8615725729394
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