Disclosed are a pressure control system and method for a liquefied gas fuel tank, which can prevent the inflow of additional heat into liquefied natural gas (LNG) caused by the operation of a pump inside an LNG tank. The pressure control system for a liquefied gas fuel tank of the present invention comprises: a plurality of fuel tanks provided in a ship and storing liquefied gas to be supplied as fuel within the ship; a connection pipe provided to allow liquefied gas to move between the plurality of fuel tanks; injection nozzles provided in the fuel tanks to inject the liquefied gas moved through the connection pipe into the fuel tanks; and a control valve provided in the connection pipe to open and close the connection pipe. When an internal pressure of any one of the plurality of fuel tanks increases, the control valve is opened to cause the liquefied gas to be moved by a head difference from another fuel tank through the connection pipe and to be injected into the fuel tank where the internal pressure has increased.

    액화가스 연료탱크의 압력제어시스템 및 방법이 개시된다. 본 발명의 액화가스 연료탱크의 압력제어시스템은, 선박에 마련되며 선내 연료로 공급될 액화가스를 저장하는 복수의 연료탱크; 상기 복수의 연료탱크 간에 액화가스가 이동되도록 마련되는 연결배관; 상기 연결배관을 통해 이동시킨 액화가스를 상기 연료탱크 내부로 분사시키도록 상기 연료탱크에 마련되는 분사노즐; 및 상기 연결배관에 마련되어 연결배관을 개폐하는 컨트롤밸브:를 포함하며, 상기 복수의 연료탱크 중 어느 연료탱크의 내부 압력이 높아지면, 상기 컨트롤밸브를 열어 수두차에 의해 다른 연료탱크로부터 연결배관을 통해 액화가스를 이동시켜 내부 압력이 높아진 연료탱크 내부로 분사하는 것을 특징으로 한다.


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    Titel :

    Pressure Control System And Method For Liquefied Gas Tank


    Weitere Titelangaben:

    액화가스 연료탱크의 압력제어시스템 및 방법


    Beteiligte:
    LEE JOON CHAE (Autor:in) / CHOI WON JAE (Autor:in) / LEE SEUNG CHUL (Autor:in)

    Erscheinungsdatum :

    2023-02-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

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