Air separation plants

Details Air separation plants Air separation plants

1998-05-04

2000-08-15

Capossela, Ronald

Refrigeration

Cryogenic treatment of gas or gas mixture

Separation of gas mixture

62902, 62905, 62907, F25J 100

Patent

active

061018406

ABSTRACT:
The air separation plant is provided with a housing for containing cryogenic equipments, at least one free-standing column to be disposed in the housing, at least one column to be disposed in the housing on a frame constituting the housing, and a powdery thermal insulator packed in the housing, having a packing density to be obtained by packing under atmospheric pressure; the free-standing column being set to have a first natural frequency of not more than 0.7 times or not less than 1.0 times as large as that of the housing. Further, the packing density of the powdery thermal insulator is 55 to 80 kg/m.sup.3.

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patent: 5617742 (1997-04-01), Toppel
Japanese Patent Kokai No. 8-119187 with English Abstract.
Japanese Patent Kokai No. 3-398 with English Abstract.
Issa et al., "Structureal effects of perlite compaction on cryogenic storage vessels subjected to thermal cycles and vibrations ", Int. J. Pres. Ves . & Piping 64 (1995) 51-65, Elsevier Science Limited.

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