What type of fan is suitable for a gas pressurizer?
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The medium is coke oven gas, and the pipeline pressure is around 0.05 MPa. I need a flow rate of 3,000 cubic feet per hour to ensure equipment operation; what type of compressor should I choose, one with low noise levels?
Below 60,000: Rotary vane blowers. What is your project?
Either Roots or multi-stage centrifuges will work; Roots are cheaper, while multi-stage centrifuges produce less noise
Rotary vane blowers generate a lot of noise; therefore, multi-stage centrifuges have to be used for pressure generation, as they offer stable and reliable operation, though the investment required is higher
The capacity isn’t large; I remember that the first small nitrogen fertilizer plant I saw used rotary vane blowers.
Rotary vane blowers generate relatively high noise; centrifugal blowers can also be used, it depends on the outlet pressure – if it’s high, then a rotary vane blower is the better choice
Multi-stage centrifuges are prone to coking of the partitions due to the high content of coal tar in the gas
Since the quality of gas is usually poor after the first stage of pressurization, it is recommended to use rotary screw blowers for cleaning, as they are inexpensive and easy to maintain. It runs smoothly, but the noise level is high; it’s a matter of weighing the pros and cons
Moreover, the normal maintenance for sealing several times (which requires service by the manufacturer) costs as much as a Roots blower