The present invention relates to a vessel comprising a liquefied gas storage tank. According to the present invention, the vessel comprises: a first compressor which is able to compress at least one part of evaporation gas discharged from the storage tank; a second compressor which compresses the other part of the evaporation gas discharged from the storage tank; a propulsion compressor which compresses one part of the evaporation gas compressed by at least one of the first compressor and the second compressor; a first heat exchanger which makes the evaporation gas compressed by the propulsion compressor and the evaporation gas discharged from the storage tank exchange heat with each other; a refrigerant pressure reduction unit which expands the other part of the evaporation gas compressed by at least one of the first compressor and the second compressor; a second heat exchanger which uses a fluid expanded by the refrigerant pressure reduction unit as a refrigerant to cool the evaporation gas compressed by the propulsion compressor and made exchange heat by the first heat exchanger; an additional compressor which compresses the refrigerant which has passed through the refrigerant pressure reduction unit and the second heat exchanger; and a first pressure reduction unit which expands the fluid compressed by the propulsion compressor and cooled by the first heat exchanger and the second heat exchanger. The additional compressor is driven by power produced by the refrigerant pressure reduction unit while expanding the fluid. The present invention is to provide a vessel comprising a system which is able to display an improved evaporation gas reliquefying performance from that of a convention partial reliquefying system.

    액화가스 저장탱크를 포함하는 선박이 개시된다. 상기 선박은, 상기 저장탱크로부터 배출되는 증발가스의 적어도 일부를 압축시킬 수 있는 제1 압축기; 상기 저장탱크로부터 배출되는 증발가스의 다른 일부를 압축시키는 제2 압축기; 상기 제1 압축기 또는 상기 제2 압축기 중 적어도 어느 하나에 의해 압축된 증발가스 중 일부를 압축시키는 추진압축기; 상기 추진압축기에 의해 압축된 증발가스와 상기 저장탱크로부터 배출되는 증발가스를 열교환시키는 제1 열교환기; 상기 제1 압축기 또는 상기 제2 압축기 중 적어도 어느 하나에 의해 압축된 증발가스 중 다른 일부를 팽창시키는 냉매감압장치; 상기 냉매감압장치에 의해 팽창된 유체를 냉매로하여 상기 추진압축기에 의해 압축되고 상기 제1 열교환기에서 열교환된 증발가스를 냉각시키는 제2 열교환기; 상기 냉매감압장치 및 상기 제2 열교환기를 통과한 냉매를 압축시키는 추가압축기; 및 상기 추진압축기에 의해 압축된 후 상기 제1 열교환기 및 상기 제2 열교환기에서 냉각된 유체를 팽창시키는 제1 감압장치;를 포함하고, 상기 추가압축기는 상기 냉매감압장치가 유체를 팽창시키면서 생산하는 동력에 의해 구동된다.


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    Titel :

    Vessel


    Weitere Titelangaben:

    선박


    Beteiligte:
    PARK SANG JIN (Autor:in) / SHIN HYUN JUN (Autor:in) / CHOI DONG KYU (Autor:in) / MOON YOUNG SIK (Autor:in)

    Erscheinungsdatum :

    2017-11-21


    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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