Refrigeration and/or liquefaction method, device and system

Disclosed is a method of refrigeration and/or liquefaction using a system comprising a cryogenic refrigeration device (1) comprising a working circuit (10) forming a loop and filled with a working fluid, the working circuit (10) forming a cycle comprising, in series, a compression mechanism (2, 3),...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DURAND, FABIEN, GUILLETTE DAVID, BERNHARDT JEAN-MARC, R.NICHOLAS, GONDRAND CECILE
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:Disclosed is a method of refrigeration and/or liquefaction using a system comprising a cryogenic refrigeration device (1) comprising a working circuit (10) forming a loop and filled with a working fluid, the working circuit (10) forming a cycle comprising, in series, a compression mechanism (2, 3), a cooling mechanism (6), an expansion mechanism (7), and a heating mechanism (6, 8), the refrigeration device (1) further comprises a cooling exchanger (8) for extracting heat from a stream of useful fluid by heat exchange with a working fluid flowing in the working circuit (10), the system comprising a conduit (15) through which the stream of useful fluid flows in the cooling exchanger (8), the method comprising a cooling step in which the working fluid flows in the working circuit (10), the refrigeration device (1) is in a first operating mode of cooling the cooling exchanger (8) while a useful fluid flows in the cooling exchanger (8), the method comprising, after said cooling step, a step of cleaning impurities