선박 저장탱크의 증발가스 배출 시스템을 개시한다. 본 발명의 실시 예에 따른 선박 저장탱크의 증발가스 배출 시스템은 액화가스 및 이의 증발가스를 저장하는 추진선의 저장탱크에 연결되며, 벙커링선의 공급탱크로부터 저장탱크로 액화가스를 로딩하기 위한 로딩라인; 저장탱크에 연결되며, 저장탱크에서 발생한 증발가스를 벙커링선의 공급탱크로 회수하기 위한 회수라인; 열교환매체가 순환 공급되며, 제1열교환부가 마련된 순환라인; 로딩라인으로부터 분기되어 제1열교환부 및 로딩라인의 분기된 지점 하부와 연결되고, 로딩라인을 통해 공급된 액체상태 또는 기체상태의 질소가 제1열교환부에 의해 열교환매체와 열교환되어 가열된 후 로딩라인을 통해 저장탱크 쪽으로 흘러가도록 하는 기화라인; 회수라인과 연결되며, 저장탱크 내부의 증발가스가 외부로 배출되도록 하는 배출라인; 및 스팀과의 열교환에 의해 배출되는 증발가스의 온도를 상승시키는 제2열교환부;를 포함한다.

    Disclosed is a system for exhausting a boil-off gas from the storage tank of a ship. According to an embodiment of the present invention, the system for exhausting a boil-off gas from the storage tank of a ship comprises: a loading line connected to the storage tank of a propulsion ship for storing a liquefied gas and a boil-off gas therefrom, and configured to load the liquefied gas from a supply tank of a bunkering ship to the storage tank; a recovery line connected to the storage tank, and configured to recover the boil-off gas, generated in the storage tank, to the supply tank of the bunkering ship; a circulation line through which a heat exchange medium is circulated and supplied, and which has a first heat exchange unit; a vaporization line branched from the loading line, connected to the first heat exchange unit and a lower portion of the loading line, at which the loading line branches, and configured to allow liquid or gaseous nitrogen, supplied through the loading line, to be heated by exchanging heat with the heat exchange medium by the first heat exchange unit and then to flow to the storage tank through the loading line; a discharge line connected to the recovery line, and configured to discharge the boil-off gas inside the storage tank to the outside; and a second heat exchange unit for increasing the temperature of the discharged boil-off gas by allowing the boil-off gas to exchange heat with steam. Therefore, the system can safely discharge the boil-off gas inside the storage tank of the ship to the outside.


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    Titel :

    EXHAUSTING SYSTEM FOR BOIL OFF GAS OF STORAGE TANK IN SHIP


    Weitere Titelangaben:

    선박 저장탱크의 증발가스 배출 시스템


    Erscheinungsdatum :

    03.05.2023


    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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