A DEVICE FOR MAINTAINING PRESSURE OF A FUEL STORAGE TANK AND A SYSTEM FOR MAINTAINING THE PRESSURE OF THE FUEL STORAGE TANK

A pressure maintaining system of a fuel storage tank is disclosed. The system comprises: a fuel storage tank in which liquefied gas is accommodated; a boil-off gas discharge line for discharging boil-off gas generated from the fuel storage tank; a compressor connected to the boil-off gas discharge l...

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Bibliographische Detailangaben
Hauptverfasser:	SONG DAE SEONG, DOH KYOUNGMIN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BLASTING EQUIPMENT FOR SHIPPING FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED,LIQUEFIED, OR SOLIDIFIED GASES FIXED-CAPACITY GAS-HOLDERS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS RELATED EQUIPMENT SHIPS OR OTHER WATERBORNE VESSELS STORING OF DISTRIBUTING GASES OR LIQUIDS TRANSPORTING VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED ORSOLIDIFIED GASES WEAPONS
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Beschreibung
Zusammenfassung:	A pressure maintaining system of a fuel storage tank is disclosed. The system comprises: a fuel storage tank in which liquefied gas is accommodated; a boil-off gas discharge line for discharging boil-off gas generated from the fuel storage tank; a compressor connected to the boil-off gas discharge line to compress the boil-off gas discharged; and a first line for returning the boil-off gas compressed by the compressor to the fuel storage tank. The system may further include: a pressure measuring unit for measuring the pressure in the fuel storage tank in real time; and a first valve disposed on the first line and controlled to be opened and closed according to a pressure measurement amount of the pressure measuring unit. An object of the present invention is to provide the system that maintains the pressure inside the fuel tank by returning the boil-off gas discharged from the fuel tank. 연료저장탱크의 압력 유지 시스템이 개시된다. 상기 시스템은, 액화가스가 수용되는 연료저장탱크; 상기 연료저장탱크에서 발생하는 증발가스를 배출하는 증발가스 배출 라인; 상기 증발가스 배출 라인에 연결되어 배출되는 증발가스를 압축하는 압축기; 및 상기 압축기에 의해 압축된 증발가스를 상기 연료저장탱크로 리턴하는 제1 라인;을 포함할 수 있다. 상기 시스템은 상기 연료저장탱크 내의 압력을 실시간으로 측정하는 압력 측정부; 및 상기 제1 라인 상에 배치되어 상기 압력 측정부의 압력 측정량에 따라 개폐가 조절되는 제1 밸브;를 더 포함할 수 있다.