Provided is a fuel gas management system for a vessel, capable of improving reliquefaction efficiency. The fuel gas management system for a vessel according to an embodiment of the present invention comprises: a storage tank for receiving liquefied gas and boil-off gas; a boil-off gas supply line which has a first compression part for pressurizing the boil-off gas of the storage tank and supplies the boil-off gas pressurized by the first compression part to a site for consumption; and a reliquefaction line for receiving and reliquefying a part of the boil-off gas pressurized by the first compression part. The reliquefaction line comprises: a second compression part for additionally pressurizing the introduced boil-off gas; a heat exchanger for cooling the boil-off gas additionally pressurized by the second compression part by exchanging heat bewteen the same and the boil-off gas at the front end of the first compression part on the boil-off gas supply line; a first gas-liquid separator which receives the boil-off gas cooled by the heat exchanger and separates the boil-off gas into gas and liquid components; a gas component circulation line for transferring the gas component of the first gas-liquid separator; an expansion part arranged in the gas component circulation line to depressurize the gas component of the first gas-liquid separator; and an emergency circulation line for supplying a stream of extra gas of the reliquefaction line towards the front end of the expansion part when the reliquefaction line is stopped.

    선박의 연료가스 관리시스템이 개시된다. 본 실시 예에 의한 선박의 연료가스 관리시스템은 액화가스 및 증발가스를 수용하는 저장탱크, 저장탱크의 증발가스를 가압하는 제1 압축부가 마련되고, 제1 압축부에 의해 가압된 증발가스를 수요처로 공급하는 증발가스 공급라인 및 제1 압축부에 의해 가압된 증발가스의 일부를 공급받아 재액화시키는 재액화라인을 포함하고, 재액화라인은 유입되는 증발가스를 추가적으로 가압하는 제2 압축부와, 제2 압축부에 의해 추가 가압된 증발가스를 증발가스 공급라인 상의 제1 압축부 전단의 증발가스와 열교환하여 냉각시키는 열교환기와, 열교환기에 의해 냉각된 증발가스를 수용하되 기체성분 및 액체성분으로 분리하는 제1 기액분리기와, 제1 기액분리기의 기체성분을 이송시키는 기체성분 순환라인과, 기체성분 순환라인에 마련되어 제1 기액분리기의 기체성분을 감압시키는 팽창부와, 재액화라인의 작동중지 시 재액화라인 상의 여분의 가스흐름을 팽창부의 전단 측으로 공급하는 비상순환라인을 포함하여 제공될 수 있다.


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    Titel :

    FUEL GAS TREATING SYSTEM IN SHIPS


    Weitere Titelangaben:

    선박의 연료가스 관리시스템


    Beteiligte:
    WEON DOO LEE (Autor:in) / AHMIN PARK (Autor:in) / SEUNGJAE JEONG (Autor:in) / BYUNG YOON CHOI (Autor:in)

    Erscheinungsdatum :

    2021-01-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / 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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