Combined plant of a furnace and an air distillation device, and

Details Combined plant of a furnace and an air distillation device, and Combined plant of a furnace and an air distillation device, and

1999-01-22

2000-09-19

Doerrler, William

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

F25J 300

Patent

active

061194824

ABSTRACT:
The combined plant comprises at least one furnace (FM) fed by a blowing machine (S), at least one air distillation device containing at least one medium-pressure column (MP) and a mixing column (CM) which has an oxygen outlet line (O) to feed the furnace (FM), the distillation device being fed via the blowing engine (S), at least the compressed air directed to the mixing column (CM) being given a positive pressure in at least one compressor-turbine group (C2-T2), the turbine (T2) of which is located in a circuit (Fi) for a pressurized fluid which is available at the plant site, for example steam or a gas originating from the furnace.

REFERENCES:
patent: 4382366 (1983-05-01), Gaumer
patent: 5244489 (1993-09-01), Grenier
patent: 5251450 (1993-10-01), Agrawal et al.
patent: 5609041 (1997-03-01), Rathbone et al.

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