Process and apparatus for cooling a fluid especially for liquify

Details Process and apparatus for cooling a fluid especially for liquify Process and apparatus for cooling a fluid especially for liquify

1996-05-10

1997-03-25

Capossela, Ronald C.

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

62627, 62903, 165166, F25J 300

Patent

active

056133731

ABSTRACT:
In this process, which incorporates an integral cascade, the coolant mixture issuing from the penultimate stage (1B) of the compressor cycle (1) is delivered to a distillation apparatus (5) the head vapor of which is cooled (in 24) to a temperature significantly lower than the ambient temperature, then separated into two phases (in 6C); the vapor stage is supplied to the last stage (1C) of the compressor, and the liquid phase constitutes a coolant fluid for the hot part (8) of the heat exchange line (7).

REFERENCES:
patent: 3747359 (1973-07-01), Streich
patent: 4274849 (1981-06-01), Garier et al.
patent: 4334902 (1982-06-01), Paradowski
patent: 4339253 (1982-07-01), Caetani et al.
patent: 4586942 (1986-05-01), Gauthier
patent: 4809154 (1989-02-01), Newton

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