The present invention provides a marine transportation means, which comprises: an engine which can be driven using hydrogen as fuel; a liquefied gas storage container including a primary barrier inside which liquefied hydrogen is stored, an insulating space which surrounds the primary barrier and is filled with insulating materials, and a cryogenic heat-blocking layer which is formed on the outside of the insulating space and contains liquefied nitrogen or LNG as a liquefied gas for heat-blocking in an inner space; and a fuel supply system which supplies liquefied hydrogen boil-off gas generated from liquefied hydrogen stored inside the primary barrier as fuel for the engine. According to the present invention, the evaporation rate of liquefied hydrogen stored inside the liquefied hydrogen storage container is significantly reduced, and the boil-off gas generated inside the liquefied hydrogen storage container can be directly used as the fuel for the engine and utilized as a separate energy source, such that energy can be efficiently used.

    본 발명은 수소를 연료로 사용하여 구동이 가능한 엔진; 내측에 액화수소가 저장되는 1차 방벽과, 1차 방벽을 둘러싸며 내부에 단열재가 채워지는 단열공간, 그리고 단열공간의 외측에 형성되며 내부 공간에 열차단용 액화가스로서 액화질소 또는 LNG가 수용되는 극저온열차단층을 포함하는 액화가스 저장용기; 및 1차 방벽 내부에 저장되는 액화수소로부터 발생하는 액화수소 증발가스를 엔진의 연료로서 공급하는 연료공급시스템을 포함하는 해상 운송 수단을 제공한다. 본 발명에 의하면, 액화수소 저장용기 내부에 저장되는 액화수소의 증발률이 현저하게 저감되고, 액화수소 저장용기 내부에서 발생하는 증발가스를 직접 엔진의 연료로서 사용하여 별도의 에너지원으로 활용하는 것이 가능하므로 에너지를 효율적으로 이용할 수 있다는 효과가 있다.


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    Title :

    Marine transportation means including liquid hydrogen storage container


    Additional title:

    액화수소 저장용기를 포함하는 해상 운송 수단


    Contributors:

    Publication date :

    2023-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63J Hilfsanlagen auf Schiffen , AUXILIARIES ON VESSELS / F17C Behälter zum Aufnehmen oder Speichern verdichteter, verflüssigter oder verfestigter Gase , VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES



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    PARK SEONG WOO / CHI HYE RYOUN / HWANG YOON SIK et al. | European Patent Office | 2023

    Free access