Process for producing liquefied hydrogen

A process for liquefying hydrogen gas comprising: initial cooling, usually called precooling, of H2 by means of indirect heat exchange with external nitrogen refrigerant in a first heat exchanger A, followed by further cooling and liquefaction of the said cooled hydrogen by means of heat exchange in...

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Bibliographic Details
Main Author Geoffrey Frederick Skinner
Format Patent
LanguageEnglish
Published 25.10.2023
Subjects
BLASTING
COMBINED HEATING AND REFRIGERATION SYSTEMS
HEAT PUMP SYSTEMS
HEATING
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
MIXTURES BY PRESSURE AND COLD TREATMENT
REFRIGERATION OR COOLING
WEAPONS
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Summary:A process for liquefying hydrogen gas comprising: initial cooling, usually called precooling, of H2 by means of indirect heat exchange with external nitrogen refrigerant in a first heat exchanger A, followed by further cooling and liquefaction of the said cooled hydrogen by means of heat exchange in a second heat exchanger B with hydrogen or helium and enclosing the heat exchangers necessary for the said precooling in a first thermally insulated container C, usually called a cold box enclosing the heat exchangers necessary for the further cooling and liquefaction in a second thermally insulated container D or cold box enclosing the said second thermally insulated container or cold box within the volume of the said first thermally insulated container.
Bibliography:Application Number: GB20220005939