Refrigeration – Processes – Reducing pressure on compressed gas
Patent
1979-11-09
1981-05-19
Capossela, Ronald C.
Refrigeration
Processes
Reducing pressure on compressed gas
62 9, 62402, 62514R, F25B 900
Patent
active
042677017
ABSTRACT:
In a helium liquefaction plant, a compressor includes first, second and third stages and a precooling section includes first, second and third turboexpanders in series between high and low pressure lines of a heat exchanger. A portion of the medium pressure gas at the output of the second turboexpander is directed back through the heat exchanger and mixed with the output of the first compressor stage. The third turboexpander is positioned between the medium and low pressure lines.
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Hubbell, Richard H.: A 1400 l/hr. Helium Liquification Cycle-Helix Corp.
Capossela Ronald C.
Helix Technology Corporation
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