Method and apparatus to avoid LNG flash when expanding to the LNG storage facility

Process for eliminating the evaporation of a liquefied natural gas stream during the transfer thereof into a storage facility, comprising the following steps:Step a): liquefaction, by means of a refrigeration cycle, of a natural gas stream and of a nitrogen stream in a main heat exchanger;Step b): c...

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Bibliographische Detailangaben
Hauptverfasser: Chambron, Nicolas, Joly, Loic
Format: Patent
Sprache:eng
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Zusammenfassung:Process for eliminating the evaporation of a liquefied natural gas stream during the transfer thereof into a storage facility, comprising the following steps:Step a): liquefaction, by means of a refrigeration cycle, of a natural gas stream and of a nitrogen stream in a main heat exchanger;Step b): cooling of the liquefied natural gas stream from step a) in a second heat exchanger by circulation of said liquefied natural gas stream countercurrent to a liquid nitrogen flow that is vaporized while cooling said liquefied natural gas stream;wherein the liquid nitrogen flow used in step b) is from step a).