SYSTEM AND METHOD FOR CONTROLLING BOIL-OFF GAS FROM LIQUEFIED HYDROGEN

Disclosed herein are a system and method which can control the generation rate of boil-off gas from liquefied hydrogen and can maintain the liquefied hydrogen storage tank at a low pressure. The method for controlling boil-off gas from liquefied hydrogen according to the present invention includes:...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Yun, Eun Young, Jeon, Yong Seong, Yi, Jong Yeol, Han, Hae Chul, Joung, Ji Hoon, Ma, Jae Hyun, PARK, Jin Yeong
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS HEATING LIGHTING MECHANICAL ENGINEERING STORING OF DISTRIBUTING GASES OR LIQUIDS VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	Disclosed herein are a system and method which can control the generation rate of boil-off gas from liquefied hydrogen and can maintain the liquefied hydrogen storage tank at a low pressure. The method for controlling boil-off gas from liquefied hydrogen according to the present invention includes: at least two storage tanks storing liquefied hydrogen and each operated in a high-temperature mode or in a low-temperature mode, wherein the low-temperature mode includes: maintaining at least a portion of liquefied hydrogen stored in the storage tank at a first temperature being a densification temperature, and the high-temperature mode includes: maintaining at least a portion of liquefied hydrogen stored in the storage tank at a second temperature being a temperature exceeding a triple point of liquefied hydrogen through recovery of cold heat from liquefied hydrogen stored in the storage tank.