Provided is a boil-off gas recovery system in which an oil constituent is hardly mixed into a tank during recovery of boil-off gas compressed by an oil supply type compressor. A boil-off gas recovery system (1) includes a tank (2) storing liquefied gas, an oil supply type compressor (3b) for compressing boil-off gas generated by partial evaporation of the liquefied gas in the tank (2), and a reliquefying system (9) for liquefying the boil-off gas compressed by the oil supply type compressor (3b) and returning the liquefied gas that has been liquefied to the tank (2). The reliquefying system (9) includes a heat exchanger for oil constituent condensation (11) for cooling down the boil-off gas to a temperature equal to or lower than a condensation temperature of an oil constituent contained in the boil-off gas, a separator (14) for separating the oil constituent condensed by the heat exchanger for oil constituent condensation (11) from the boil-off gas, and a reliquefying portion for liquefying the boil-off gas from which the oil constituent is separated.

    급유식 압축기에서 압축된 보일오프 가스를 회수할 때 유분이 탱크에 혼입되기 어려운 보일오프 가스 회수 시스템을 제공하는 것을 과제로 한다. 보일오프 가스 회수 시스템(1)은, 액화 가스를 저장한 탱크(2)와, 탱크(2) 내의 액화 가스의 일부의 증발에 의하여 발생한 보일오프 가스를 압축하는 급유식 압축기(3b)와, 급유식 압축기(3b)에서 압축된 상기 보일오프 가스를 액화하고, 그 액화한 상기 액화 가스를 탱크(2)로 복귀시키는 재액화 시스템(9)을 구비한다. 재액화 시스템(9)은, 상기 보일오프 가스에 포함되는 유분의 응축 온도 이하의 온도까지 보일오프 가스를 냉각하는 유분 응축용 열교환기(11)와, 유분 응축용 열교환기(11)에서 응축된 상기 유분을 상기 보일오프 가스로부터 분리하는 세퍼레이터(14)와, 상기 유분이 분리된 상기 보일오프 가스를 액화하는 재액화부를 갖는다.


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    Titel :

    BOIL-OFF GAS RECOVERY SYSTEM


    Weitere Titelangaben:

    보일오프 가스 회수 시스템


    Beteiligte:
    TEZUKA SATOSHI (Autor:in) / SEYAMA KATSUHIRO (Autor:in) / NAGURA KENJI (Autor:in)

    Erscheinungsdatum :

    2018-08-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F16C SHAFTS , Wellen / F17C Behälter zum Aufnehmen oder Speichern verdichteter, verflüssigter oder verfestigter Gase , VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS



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