Cryogenic rectification system with helical dry screw expander

Details Cryogenic rectification system with helical dry screw expander Cryogenic rectification system with helical dry screw expander

1992-04-16

1993-07-20

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

418104, 4182011, F25D 2500

Patent

active

052282988

ABSTRACT:
An improved helical dry screw expander particularly suited for cryogenic service and its use in a cryogenic rectification system. The improved helical dry screw expander is particularly advantageous in a cryogenic waste expansion cycle particularly for nitrogen production.

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