본 발명은 액화가스 저장탱크, 가스연료 공급 시스템 및 선박에 관한 것으로서, 액화가스를 추진용 연료로서 적재하는, 액화가스 운반선 외의 선박에 마련되는 가스연료 공급 시스템으로서, 내부에 액화가스를 고압으로 저장하며 액화가스가 증발한 증발가스가 공존하는 가압형의 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; 및 상기 액화가스 저장탱크의 가스를 수요처로 공급하는 가스연료 처리부를 포함하며, 상기 가스연료 처리부는, 상기 성층화 억제부가 성층화 현상을 억제하여 상기 액화가스 저장탱크의 압력 상승을 지연시킴에 따라, 운항 중 액화가스를 상기 수요처의 메인연료로 공급하거나 증발가스를 상기 수요처에 공급하지 않는 것을 특징으로 한다.

    The present invention relates to a liquefied gas storage tank, a gas fuel supply system and a ship thereof. The gas fuel supply system provided in a liquefied gas carrying ship for transferring liquefied gas as cargo, comprises: a plurality of liquefied gas storage tanks in which liquefied gas is stored and the boil-off gas from which the liquefied gas is evaporated coexists; a stratification suppressing unit for flowing the liquefied gas or boil-off gas stored in the liquefied gas storage tanks to decrease a liquefied gas temperature on a liquid surface which is an interface between the liquefied gas and the boil-off gas in a direction toward the liquefied gas temperature on the bottom inside the liquefied gas storage tanks; a liquefied gas supply unit for supplying the liquefied gas of the liquefied gas storage tanks to a demand source; and a boil-off gas processing unit for receiving and processing the boil-off gas of the liquefied gas storage tanks. The boil-off gas processing unit does not supply the liquefied gas to the demand source during sailing since the stratification suppressing unit suppresses a stratification phenomenon and delays a pressure increase of the liquefied gas storage tanks.


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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


    Erscheinungsdatum :

    2020-08-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

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



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