Method and apparatus for cooling a product using a condensed...

Details Method and apparatus for cooling a product using a condensed... Method and apparatus for cooling a product using a condensed...

F - Mech Eng,Light,Heat,Weapons

25

D

F25D 3/10 (2006.01) F17C 9/04 (2006.01) F25J 5/00 (2006.01)

Patent

CA 2185008

A method of chilling, cooling or likewise refrigerating a product with the aid of the cold content of a condensed gas, wherein the product, preferably in a gas or liquid state, is caused to pass at least one product-cooling heat-exchanger. According to the invention, the condensed gas is vaporized in at least one evaporation heat-exchanger and the vaporized gas is delivered to the product-cooling heat-exchanger for cooling the product therein. The gas heated by the product in the product-cooling heat-exchanger is then returned to the evaporation heat-exchanger for vaporization of the condensed gas therein. The invention also relates to an arrangement for use in carrying out the method.

Procédé de réfrigération, de refroidissement ou autre d'un produit au moyen de la teneur en froid d'un gaz comprimé, selon lequel le produit, de préférence à l'état gazeux ou liquide, est amené à passer par au moins un échangeur de chaleur destiné à le refroidir. Selon l'invention, le gaz comprimé est évaporé dans au moins un échangeur de chaleur à évaporation, et le gaz évaporé est transporté vers l'échangeur de chaleur à refroidissement afin d'y refroidir le produit. Le gaz chauffé par le produit dans l'échangeur de chaleur est ensuite ramené à l'échangeur de chaleur à évaporation afin d'y évaporer le gaz comprimé. L'invention se rapporte également à un agencement permettant de réaliser ce procédé.

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