The present invention relates to a liquefied gas storage tank, a gas fuel supply system, and a ship which can guarantee transport stability of liquefied gas. The gas fuel supply system is arranged on a liquefied gas carrier for transporting liquefied gas as cargo. The gas fuel supply system comprises: a plurality of liquefied gas storage tanks storing liquefied gas therein and allowing evaporation gas created by evaporating the liquefied gas to coexist; a stratification suppressing unit allowing the liquefied gas or the evaporation gas stored in the liquefied gas storage tanks to flow to drop the temperature of the liquefied gas at a liquid surface which is the boundary surface between the liquefied gas and the evaporation gas in a direction of becoming closer to the temperature of the liquefied gas at the bottoms in the liquefied gas storage tanks; a liquefied gas supply unit to supply the liquefied gas of the liquefied gas storage tanks to a user entity; and an evaporation gas processing unit to receive and process the evaporation gas of the liquefied gas storage tanks. As the stratification suppressing unit suppresses a stratification phenomenon to delay a pressure increase of the liquefied gas storage tanks, the evaporation gas processing unit does not supply the evaporation gas to the user entity while sailing.

    본 발명은 액화가스 저장탱크, 가스연료 공급 시스템 및 선박에 관한 것으로서, 액화가스를 화물로서 운송하는 액화가스 운반선에 마련되는 가스연료 공급 시스템으로서, 내부에 액화가스를 저장하며 액화가스가 증발한 증발가스가 공존하는 복수 개의 액화가스 저장탱크; 상기 액화가스 저장탱크의 내부에 저장된 액화가스 또는 증발가스를 유동하여 액화가스와 증발가스의 경계면인 액면에서의 액화가스 온도를 상기 액화가스 저장탱크의 내부 바닥에서의 액화가스 온도에 가까워지는 방향으로 떨어뜨리는 성층화 억제부; 상기 액화가스 저장탱크의 액화가스를 수요처로 공급하는 액화가스 공급부; 및 상기 액화가스 저장탱크의 증발가스를 전달받아 처리하는 증발가스 처리부를 포함하며, 상기 증발가스 처리부는, 상기 성층화 억제부가 성층화 현상을 억제하여 상기 액화가스 저장탱크의 압력 상승을 지연시킴에 따라, 운항 중 증발가스를 상기 수요처에 공급하지 않는 것을 특징으로 한다.


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    Titel :

    liquefied gas tank fuel gas supply system and ship having the same


    Weitere Titelangaben:

    액화가스 저장탱크, 가스연료 공급 시스템 및 선박


    Beteiligte:
    RYU JI HEON (Autor:in) / LEE JIN KWANG (Autor:in) / KIM EON (Autor:in)

    Erscheinungsdatum :

    2020-01-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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