The present invention relates to a fuel supply system and a fuel supply method and, more specifically, to a fuel supply system and a fuel supply method which pressurize BOG re-liquefied by a BOG re-liquefaction plant of a liquefied petroleum gas (LPG) line and supply the pressurized BOG to a propulsion ME-LGI engine of the LPG line. The present invention is able to reduce the energy consumption of a heater necessary to reach the required temperature of an LPG fuel engine by supplying LPG of relatively high temperature, formed by being re-liquefied in a re-liquefaction plant, to the LPG fuel engine. The fuel supply system of an LPG carrier of the present invention supplies fuel to an LPG fuel engine of the LPG carrier by comprising: a day tank which is installed in the LPG carrier as an LPG fuel supply tank; a first fuel supply line which supplies LPG, formed by re-liquefying BOG generated in an LPG storage tank, to the day tank; and a third fuel supply line which supplies LPG stored in the day tank to the LPG fuel engine.

    본 발명은 연료 공급 시스템 및 연료 공급 방법에 관한 것으로, 보다 상세하게는, LPG선의 BOG 재액화 플랜트에 의해 재액화된 BOG를 가압하여 LPG선의 추진용 ME-LGI 엔진에 공급하는 것을 특징으로 하는 연료 공급 시스템 및 연료 공급 방법에 관한 것이다. 본 발명에 따르면, 재액화 플랜트에서 재액화되어 형성된 비교적 고온의 LPG를 LPG 연료 엔진에 공급하므로, LPG 연료 엔진의 요구 온도로 맞추어 주기 위해 필요한 히터의 에너지 소비를 감소시킬 수 있다. 본 발명의 따른 LPG 운반선의 연료공급 시스템은 LPG 운반선(Liquefied Petroleum Gas Carrier)의 LPG 연료 엔진에 연료를 공급하기 위한 연료 공급 시스템으로서, LPG 연료 공급 탱크로서 상기 LPG 운반선에 설치하는 데이탱크; LPG 저장탱크에서 발생한 BOG를 재액화하여 형성된 LPG를 상기 데이탱크로 공급하는 제1 연료 공급라인; 및 상기 데이탱크에 저장된 LPG를 LPG 연료 엔진에 공급하는 제3 연료 공급라인을 포함한다.


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    Title :

    LPG Fuel Supply System and Method for Supplying Fuel of LPG Carrier


    Additional title:

    LPG 운반선의 연료공급 시스템 및 연료공급 방법


    Contributors:

    Publication date :

    2016-11-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

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