Vaporization-condensation apparatus for air distillation double

Details Vaporization-condensation apparatus for air distillation double Vaporization-condensation apparatus for air distillation double

1995-07-05

1999-12-14

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

165166, 202153, F25J 300

Patent

active

RE0364355

ABSTRACT:
The air distillation double column (1,2) includes an apparatus for vaporizing oxygen and condensing nitrogen which comprises on one hand a running type main heat exchanger (7) which is partially immersed during stoppage of the equipment and on the other hand an auxiliary heat exchanger (20) which alone is responsible for liquid vaporization when the equipment is restarted.

REFERENCES:
patent: 4017284 (1977-04-01), Gifford
patent: 4579566 (1986-04-01), Braugerolle
patent: 4599097 (1986-07-01), Petit et al.
patent: 4606745 (1986-08-01), Fujita

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