Analysis of Pump Free LNG Filling Process and BOG Gas Recovery Technology and Its Advantage

Through the technical principle and process flow description,a detailed introduction of pump free filling process was made,including filling,gas recovery,gas makeup purge,precooling,etc.The advantages of the pump free LNG filling technology and the BOG gas recovery technology relative to the traditional gas filling station was analyzed,and drew the conclusion that this technology had such advantages as simple installation,safe operation,fast precooling speed,low operating cost and construction cost,energy saving and environmental friendly and so on.