The present invention relates to a boil-off gas (BOG) re-liquefaction system and a vessel thereof, including: a liquefied gas storage tank; a BOG compressor for compressing BOG generated in the liquefied gas storage tank; and a liquefying portion for liquefying the BOG by using a mixed refrigerant. The liquefying portion includes: a re-liquefier for liquefying the compressed BOG by heat exchange with the mixed refrigerant; a mixed refrigerant compressor, which is of a screw type using oil for sealing and lubrication, and which compresses the mixed refrigerant; and an oil treatment portion for separating the oil from the compressed mixed refrigerant and recirculating the resultant oil to the mixed refrigerant compressor.

    본 발명은 증발가스 재액화 시스템 및 선박에 관한 것으로서, 액화가스 저장탱크; 상기 액화가스 저장탱크에서 발생한 증발가스를 압축하는 증발가스 압축기; 및 혼합냉매를 이용하여 상기 증발가스를 액화시키는 액화부를 포함하며, 상기 액화부는, 압축된 상기 증발가스를 상기 혼합냉매와 열교환시켜 액화하는 재액화기; 실링 및 윤활을 위해 오일을 사용하는 스크류 타입이며, 상기 혼합냉매를 압축하는 혼합냉매 압축기; 및 압축된 상기 혼합냉매에서 상기 오일을 분리해 상기 혼합냉매 압축기로 재순환시키는 오일 처리부를 포함하는 것을 특징으로 한다.


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    Titel :

    liquefaction system of boil-off gas and ship having the same


    Weitere Titelangaben:

    증발가스 재액화 시스템 및 선박


    Beteiligte:
    LIM WON SUB (Autor:in) / KWAK JEONG MIN (Autor:in) / LEE GEUN BO (Autor:in) / LEE JIN KWANG (Autor:in)

    Erscheinungsdatum :

    2018-01-03


    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 / F25J LIQUEFACTION, SOLIDIFICATION, OR SEPARATION OF GASES OR GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT , Verflüssigen, Verfestigen oder Trennen von Gasen oder Gasgemischen durch Druck- und Kältebehandlung



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