METHOD FOR COOLING A PRODUCT, PARTICULARLY, FOR LIQUEFYING A GAS, AND DEVICE FOR IMPLEMENTING THIS METHOD

The invention relates to a method for cooling a product (P) comprising N ordered adsorption/desorption cycles (100, 200, 300), each cycle having the following steps: expanding a refrigerant in liquid phase from a condenser (101, 201, 301) inside an evaporator (103, 203, 303) for evaporating at least...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GOURMELEN PIERRE, MICHALSKI PIERRE, BLAIZAT CLAUDE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a method for cooling a product (P) comprising N ordered adsorption/desorption cycles (100, 200, 300), each cycle having the following steps: expanding a refrigerant in liquid phase from a condenser (101, 201, 301) inside an evaporator (103, 203, 303) for evaporating at least one portion of said refrigerant, and; adsorbing this refrigerant in vapor phase inside at least one adsorption/desorption chamber (120, 220, 320) containing a zeolite adsorbent (Z) whereby cooling a remaining portion of the refrigerant in said evaporator to a predetermined low temperature, said low temperature decreasing from one cycle to the next. The inventive method also comprises the following steps: effecting N-1 heat exchanges each time the refrigerant enters the evaporator (103, 203) of a cycle and each time the refrigerant enters the condenser (201, 301) of the following cycle for condensing the refrigerant in said condenser.