Energy transfer system for cold storage facilities

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

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F25D 23/00 (2006.01) F25D 13/00 (2006.01) F25D 16/00 (2006.01) F25D 21/04 (2006.01)

Patent

CA 2414391

A cold storage facility (10) energy transfer system has a building (12) which includes walls (16), a roof (14), and a floor (18). The building (12) defines an enclosed space, which is to be cooled. A cooling system (30), which includes a compressor (34), a condenser (36), and an evaporator (32), is provided to cool the air within the enclosed space of the building (12). A ground coupled heat transfer mechanism (60) reduces the operating temperature of the cooling system (30) and raises the temperature of the building floor (18). A heat exchange mechanism (60) draws heat from the compressor (34) and the condenser (36) to reduce operating temperature of the condenser (36) and/or compressor. The heat exchange mechanism (60) includes a mechanism (54) associated with an area adjacent to the building floor (18) for maintaining that area at a temperature so that underfloor icing is prohibited. An additional objective of the system reduces the temperature of the walls (16) and roof (14) of the building (12), reducing heat loss and improving the energy efficiency of the building (12).

L'invention concerne un système de transfert d'énergie pour installation d'entreposage frigorifique (10), soit un édifice (12) comportant des parois (16), un toit (14) et un sol (18). L'édifice (12) définit un espace fermé à réfrigérer. Un système de réfrigération (30) comportant un compresseur (34), un condenseur (36) et un évaporateur (32), est destiné à réfrigérer l'air à l'intérieur de l'espace fermé de l'édifice (12). Un mécanisme de transfert thermique (60) jouxtant la terre, réduit la température de fonctionnement du système de réfrigération et augmente la température du sol (18) de l'édifice. Un mécanisme d'échange thermique (60) tire la chaleur du compresseur (34) et du condenseur (36) pour réduire la température de fonctionnement du condenseur (36) et/ou du compresseur. Le mécanisme d'échange thermique (60) comporte un dispositif (54), associé à une zone jouxtant le sol (18) de l'édifice, destiné à maintenir cette zone à une température qui empêche le givrage par le sol. Le système a également pour objet de réduire la température des parois (16) et du toit (14) de l'édifice (12), ce qui permet de réduire la perte de chaleur et d'améliorer l'efficacité énergétique de l'édifice (12).

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