Apparatus for cryogenic treatment, such as air distillation

Details Apparatus for cryogenic treatment, such as air distillation Apparatus for cryogenic treatment, such as air distillation

1993-09-10

1995-05-09

Capossela, Ronald C.

Refrigeration

Processes

Circulating external gas

62 22, F25J 300

Patent

active

054129540

ABSTRACT:
In this apparatus, the treatment column is insulated by means of a sheath under vacuum while the heat exchange line is insulated by means of a cold box under atmospheric pressure containing a solid insulating material such as a material in particulate form.

REFERENCES:
patent: 1240397 (1917-09-01), Wolf
patent: 1354380 (1920-09-01), Crommett
patent: 2480093 (1949-08-01), Anderson
patent: 2999366 (1961-09-01), La Fave et al.
patent: 3130561 (1964-04-01), Hnilicka, Jr.
patent: 3167417 (1965-01-01), Sellmaier et al.
patent: 3930375 (1976-01-01), Hofmann
"Air Liquefying Separating Device," Patent Abstracts of Japan, vol. 13, No. 434, Nippon Sanso K.K., Sep. 28, 1989.

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