Gas pressurization device
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This post was last edited by goldliyang on 2017-5-19 09:29. I recently encountered a problem while working on a gas pressurization design. The requirement is that the pressurized gas should be at less than 1 MPa, the device should have a simple structure, and the temperature of the gas after pressurization should not be too high; it is preferable to maintain a constant temperature. I want to use a water ring vacuum pump system to compress gas, and the gas to be compressed is sulfur dioxide. Is this approach feasible? Besides using compressors to increase gas pressure in industry, what other mature and widely used devices are there? It would be great if reference materials such as process flow diagrams could be provided. 2 wealth points will be awarded for each reply; I hope fellow users can help answer these questions. Thank you
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The original words of the poster: “The requirement is that the pressurized gas should be at less than 1 MPa, the device should have a simple structure, and the temperature of the pressurized gas should not be too high; it’s best to maintain a constant temperature.” ” ●Is the gas compressed to below 1.0 MPa? What exactly is this “below”? What is your compression ratio (absolute pressure after compression/absolute pressure before compression) approximately? At normal pressure, assuming 1 MPa, this compression ratio reaches 11, which is very high; water ring compressors are not suitable for this. ●Simple structure? As long as it’s a compressor, it’s not simple. ●The water temperature shouldn’t be too high; it’s simple – just use water cooling. Many sulfuric acid plants in China carry out operations involving the compression of liquid SO2 and its filling into bottles, and there is plenty of information available online; you might want to consult that material.
The process is fine; it would be ideal to use a liquid ring pump, but as far as I know, the liquid ring itself cannot achieve a pressure of 1 MPa
Liquid ring compressors can reach around 0.7-0.8 MPa! You can consult Fopump on your own