본 발명은 액화가스 저장탱크, 가스연료 공급 시스템 및 선박에 관한 것으로서, 내부에 액화가스를 저장하며, 액화가스가 증발한 증발가스가 공존하는 액화가스 저장탱크로서, 액화가스와 증발가스의 경계면인 액면의 온도를 측정 또는 추정하여, 외부 열침투로 인하여 액화가스와 증발가스의 온도가 상이하게 가열됨에 따라 액면으로부터 하방으로 일정 지점까지의 구간에서 액화가스의 온도가 상기 액면으로 갈수록 상승하여 상기 액면에서의 액화가스 온도가 상기 내부 바닥에서의 액화가스 온도보다 높게 나타나는 성층화 현상의 발생 여부를 판단하는 성층화 파악부가 마련되는 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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