The present invention relates to a system and a method for supplying fuel, which can use, as fuel for an engine, volatile organic compounds generated from a crude oil storage tank of a crude oil carrier using liquefied natural gas as fuel. The system for supplying fuel for a crude oil carrier, according to the present invention, comprises: a volatile organic compounds (VOCs) collection tank which collects gaseous VOCs, discharged from the crude oil storage tank, without a phase change; a fuel storage tank which stores the liquefied natural gas (LNG) to be used as the fuel for the engine; a high-pressure pump for compressing the LNG stored in the fuel storage tank to a high pressure required by the engine; a vaporizer for vaporizing the LNG compressed by the high-pressure pump into natural gas; and a mixer for mixing the high-pressure natural gas vaporized by the vaporizer and the gaseous VOCs discharged from the VOCs collection tank. The engine is a two-stroke diesel engine, and a VOCs supply line which connects the VOCs collection tank and the mixer to transfer the VOCs containing nitrogen and heavy hydrocarbon components from the VOCs collection tank to the mixer is further included. Therefore, the system can simplify a process of recovering and recycling the VOCs.

    본 발명은 액화천연가스를 연료로 사용하는 원유 운반선의 원유 저장탱크에서 발생하는 휘발성 유기화합물을 엔진의 연료로 사용할 수 있는 연료 공급 시스템 연료 공급 방법에 관한 것이다. 본 발명에 따른 원유 운반선의 연료 공급 시스템은, 원유 저장탱크로부터 배출되는 기체 상태의 VOC(Volatile Organic Compounds)를 상변화시키지 않고 그대로 포집하는 VOC 포집탱크; 엔진의 연료로 사용할 LNG(Liquefied Natural Gas)를 저장하는 연료 저장탱크; 상기 연료 저장탱크에 저장된 LNG를 상기 엔진에서 요구하는 고압으로 압축시키는 고압펌프; 상기 고압펌프에 의해 압축된 LNG를 천연가스로 기화시키는 기화기; 및 상기 기화기에 의해 기화된 고압의 천연가스와 상기 VOC 포집탱크로부터 배출되는 기체 상태의 VOC를 혼합하는 혼합기;를 포함하고, 상기 엔진은, 2행정 디젤 사이클 엔진이며, 상기 VOC 포집탱크와 혼합기를 연결하여, 질소 및 중탄화수소 성분을 함유하는 VOC를 상기 VOC 포집탱크로부터 혼합기로 이송하는 VOC 공급라인;을 더 포함하는, 원유 운반선의 연료 공급 시스템을 포함한다.


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    Title :

    Fuel Gas Supply System and Method for Crude Oil Eco-carrier


    Additional title:

    원유 운반선의 연료 공급 시스템 연료 공급 방법


    Contributors:
    LIM JONG KI (author) / KIM NAM SOO (author) / PARK JONG HYUN (author)

    Publication date :

    2020-08-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / 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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