APPARATUS FOR THE RELIQUEFACTION OF BOIL-OFF GAS

摘要

An apparatus for the reliquefaction of boil-off gas is disclosed. According to an embodiment of the present invention, the apparatus for the reliquefaction of boil-off gas comprises a storage unit for storing LNG; a boil-off gas (BOG) compression cooling unit which has one or more BOG compressors for receiving and compressing BOG generated in the storage unit and one or more BOG coolers for cooling BOG; a reliquefaction unit for the reliquefaction of BOG by circulating a refrigerant to exchange heat with BOG compressed in the BOG compression cooling unit; a cold and heat recovery unit for connecting the storage unit to the BOG compressors to recover the cold and heat of BOG by exchanging heat with the reliquefaction unit; and a fuel supply unit for supplying the BOG, which has passed through the reliquefaction unit, to the engine of a ship as a fuel.