Double-walled tube type open rack evaporating device

Details Double-walled tube type open rack evaporating device Double-walled tube type open rack evaporating device

1991-03-29

1992-11-17

Capossela, Ronald C.

Refrigeration

Storage of solidified or liquified gas

Liquified gas transferred as liquid

6 2, F17C 902

Patent

active

051633035

ABSTRACT:
A double-walled tube type open rack evaporating device comprising a plurality of heat-exchanging pipes each of a double-walled tube structure having an inner tube and an outer tube in communication with the inner pipe at one end to constitute a heat-exchanging panel, a liquefied gas inlet header tank connected to one end of the inner tube, an exit header tank connected to one end of the outer tube, and a heating means for gradually evaporating a liquefied gas that flows from the liquefied gas inlet header tank into the inner tube and then delivering the gas as a gas at a normal temperature to the exit header tank. Deposition of ice can be avoided and the amount of sea water used as a heat medium can be reduced to save electric power consumption in a sea water pump. Flow rate and calorie hunting can be prevented to make LNG and NG flows stable.

REFERENCES:
patent: 4343156 (1982-08-01), Gauthier
patent: 4395976 (1983-08-01), de Lallee et al.

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