RELIQUEFACTION APPARATUS OF A LIQUEFIED NATURAL GAS CARRIER

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PURPOSE : A re-liquefying apparatus of a liquefied natural gas carrier is provided to control the temperature of cooling water for cooling a refrigerant for liquefying gas, and to enhance the cooling efficiency.CONSTITUTION : A re-liquefying apparatus of a liquefied natural gas carrier comprises the following : a cooling water line(310) supplying a circulating passage to cooling water cooling a refrigerant for liquefying gas; a cooling water cooler(320) installed on the cooling water line; a bypass line(330) bypassing the cooling water cooler; a bypass valve(340) opening and closing the flow of the cooling water; a cooling water temperature sensor(350); a setting unit setting the temperature of the cooling water; and a temperature controlling unit(370) controlling the bypass valve to reach the set temperature.COPYRIGHT KIPO 2010