Process using serpentine heat exchange relationship for...

Details Process using serpentine heat exchange relationship for... Process using serpentine heat exchange relationship for...

F - Mech Eng,Light,Heat,Weapons

25

J

162/114

F25J 3/02 (2006.01) F25J 3/00 (2006.01) F28D 9/00 (2006.01)

Patent

CA 1221023

ABSTRACT A method is disclosed for cooling, condensing and subcooling a substantially single component gas stream by passing the gas stream through a heat exchange relationship with a vaporizing multicomponent stream so that carry-up of the condensed liquid phase is maintained without condensed phase backmixing and pot-boiling of the coolant stream is avoided. The single component gas stream is passed through a cold-end up heat exchanger having a serpentine pathway for the gas stream comprising a series of horizontal passes separated by horizontal dividers and alternatingly connected by turnaround passes at each end. The method is particularly applicable to the condensing of a recycle methane stream in a nitrogen rejection process which uses a methane heat pump cycle to provide refrigeration.

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