Device and method for storing and regenerating a two-phase...

F - Mech Eng,Light,Heat,Weapons – 25 – D

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F25D 16/00 (2006.01) F25C 1/08 (2006.01)

Patent

CA 2451082

The invention concerns a device for storing a two-phase coolant fluid (4) designed to circulate in a heat transfer circuit (10), comprising: a compartment (2) for storing and regenerating the two-phase coolant fluid; at least an indirect heat exchange means (6) between a refrigerant and the coolant fluid (4); a circulating means (8) to circulate the coolant fluid (4) in the heat transfer circuit (10); a two-phase recycling and cooling circuit for the coolant fluid (4). Said device comprises: another compartment for ice slurry conditioning (20), connected to the heat transfer circuit (10); means for introducing part of the coolant fluid (4), enriched in solid phase, into said other compartment; a drawpoint (24) on the storage and regeneration compartment (2), and means for injecting (26, 28) the coolant fluid in liquid phase, into said other compartment; and a mixing member, co-operating with said other compartment.

Dispositif de stockage d'un fluide frigo porteur (4), sous forme diphasique, destiné à circuler dans un circuit de transfert de chaleur (10), comportant : un compartiment de stockage et de régénération (2) du fluide frigo porteur à l'état diphasique ; au moins un moyen d'échange indirect de chaleur (6) entre un fluide frigorigène et le fluide frigo-porteur ; un moyen de circulation (8), pour faire circuler le fluide frigo-porteur, dans le circuit de transfert de chaleur ;un circuit de recyclage diphasique et de refroidissement du fluide frigo porteur. Ce dispositif comporte :un autre compartiment, de conditionnement (20) sous forme de coulis de glace, connecté au circuit de transfert de chaleur ; des moyens d'introduction d'une partie du fluide frigo- porteur, enrichie en phase solide, dans ledit autre compartiment ; un point de soutirage (24) sur le compartiment de stockage et régénération, et des moyens d'injection (26, 28) de fluide frigo-porteur en phase liquide, dans ledit autre compartiment ; et un organe mélangeur, coopérant avec ledit autre compartiment.

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