Process and unit for supplying a gas under pressure to an instal

Details Process and unit for supplying a gas under pressure to an instal Process and unit for supplying a gas under pressure to an instal

1994-05-13

1996-04-09

Kilner, Christopher

Refrigeration

Storage of solidified or liquified gas

With sorbing or mixing

62 25, 62 38, 62 41, F25J 302

Patent

active

055050522

ABSTRACT:
Air is distilled in a distillation apparatus (13) associated with a heat exchange line (11) in which is circulated a heat transfer fluid under high pressure. A storage (20, 23)is supplied, at least intermittently, with gas in liquid phase; and gas in liquid phase withdrawn from the storage is raised to a vaporization pressure, and vaporized under this pressure in the heat exchange line (11). The supply of liquefied gas to the storage can be from the distillation apparatus (13) and/or from an external source such as a tank truck (29, 34). It is useful particularly for the supply of oxygen, nitrogen and argon under pressure to installations for the production of stainless steel such as electric arc furnaces.

REFERENCES:
patent: 3174293 (1965-03-01), Jakob et al.
patent: 3210950 (1965-10-01), Lady
patent: 3426543 (1969-02-01), Becker
patent: 4529425 (1985-07-01), McNeil
patent: 4853015 (1989-08-01), Yoshino
patent: 5082482 (1992-01-01), Darredeau
patent: 5084081 (1992-01-01), Rohde
patent: 5152149 (1992-10-01), Mostello et al.
patent: 5157926 (1992-10-01), Guilleminot
patent: 5265429 (1993-11-01), Dray
patent: 5287704 (1994-02-01), Rathbone
patent: 5408831 (1995-04-01), Guillard et al.

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