A BOG liquefying plant for LNG boats and ships

The utility model discloses a BOG liquefying plant for LNG boats and ships, including the device body, device body bottom is fixed with the supporting leg, inside LNG storage tank and the cryogenic heat exchanger of being equipped with of device body, and the LNG storage tank is equipped with high temperature heat exchanger and compressor through first pipe connection cryogenic heat exchanger, device body top, and the compressor passes through second pipe connection cryogenic heat exchanger, and the compressor pass through back liquid union coupling LNG storage tank, and the compressor passesthrough circulating line connection high temperature heat exchanger, the utility model discloses the structure principle is simple, and convenient to use can realize having reduced environmental pollution to BOG's liquefaction, in addition, can also prevent that the more LNG of evaporation are gaseous, reduces extravagantly. 本实用新型公开了种用于LNG船舶的BOG液化装置，包括装置本体，装置本体底部固定有支撑腿，装置本体内部设有LNG储罐和低温换热器，LNG储罐通过第管道连接低温换热器，装置本体顶部设有高温换热器和压