Single column cryogenic rectification system for lower...

Details Single column cryogenic rectification system for lower... Single column cryogenic rectification system for lower...

F - Mech Eng,Light,Heat,Weapons

25

J

F25J 3/04 (2006.01) C01B 13/02 (2006.01)

Patent

CA 2196353

A single column cryogenic rectification system for producing lower purity oxygen wherein a major portion of the feed air is partially condensed in the column reboiler, the resulting vapor turboexpanded and then successively condensed in one or more vertically oriented stages within the column to enhance the generation of upflow vapor and reflux liquid for the column.

Système de purification cryogénique à colonne unique pour l'obtention d'oxygène de pureté inférieure; une partie importante de l'air d'alimentation est partiellement condensée dans le rebouilleur de la colonne; la vapeur résultante est soumise à une turbodétente, puis est successivement condensée sur un ou plusieurs étages orientés verticalement à l'intérieur de la colonne, de façon à améliorer la production de vapeur ascendante et de liquide de reflux pour la colonne.

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