Fuel Gas Supply System and Method for a Vessel

The present invention relates to a system and a method for supplying fuel for a ship, which can supply boil off gas (BOG) generated by allowing liquefied gas to be naturally vaporized as fuel of an engine and reliquefy the BOG remaining after supplying the BOG as the fuel of the engine. According to...

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Bibliographische Detailangaben
1. Verfasser:	JUNG IN DON
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BLASTING COMBUSTION ENGINES EQUIPMENT FOR SHIPPING FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS LIGHTING MARINE PROPULSION OR STEERING MECHANICAL ENGINEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS STORING OF DISTRIBUTING GASES OR LIQUIDS SUPPLYING COMBUSTION ENGINES IN GENERAL, WITH COMBUSTIBLEMIXTURES OR CONSTITUENTS THEREOF TRANSPORTING VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to a system and a method for supplying fuel for a ship, which can supply boil off gas (BOG) generated by allowing liquefied gas to be naturally vaporized as fuel of an engine and reliquefy the BOG remaining after supplying the BOG as the fuel of the engine. According to the present invention, the system for supplying fuel for a ship includes: a compressor compressing BOG discharged from a liquefied gas storage tank to pressure required in the engine by a fueling lubrication method; a heat exchanger cooling the compressed BOG remaining after supplying the compressed BOG compressed by the compressor to the engine by heat exchange with the BOG before compression supplied to the compressor; and a cleaning part cleaning lubricating oil accumulated in the heat exchanger. 본 발명은 액화가스가 자연 기화하여 생성되는 증발가스(BOG; Boil-Off Gas)를 엔진의 연료로 공급하고, 엔진의 연료로 공급하고 남은 나머지 증발가스는 재액화시키는 선박용 연료 공급 시스템 및 연료 공급 방법에 관한 것이다. 본 발명에 따른 선박용 연료 공급 시스템은, 액화가스 저장탱크로부터 배출되는 증발가스를 급유 윤활 방식에 의해 엔진에서 요구하는 압력까지 압축시키는 압축기; 상기 압축기에 의해 압축된 압축 증발가스 중, 상기 엔진으로 공급하고 남은 나머지 압축 증발가스를, 상기 압축기로 공급되는 압축 전 증발가스와의 열교환에 의해 냉각시키는 열교환기; 및 상기 열교환기 내부에 누적된 윤활유를 세척하는 세척부;를 포함한다.