METHOD FOR INCREASING EFFICIENCY OF A GAS TURBINE USING COLD HEAT OF LNG AND MARINE STRUCTURE WITH THE GAS TURBINE

摘要

PURPOSE: A method for increasing efficiency of a gas turbine and a marine structure with the gas turbine are provided, which can maintain output of the gas turbine by keeping the temperature of the air supplied to the gas turbine constant.;CONSTITUTION: A marine structure is equipped with a storage tank, a gas turbine(30), a heat exchanger(27), a heat transfer medium circuit(20), and a heater. The storage tank stores LNG of the ultralow temperature. The gas turbine is installed for the electric power production or the dynanmogenesis. The heat exchanger cools the combustion air supplied to the gas turbine by cold heat of LNG stored in the storage tank. The heat transfer medium circuit indirectly delivers cold heat of LNG stored in the storage tank to the heat transfer unit. The heater heats the heat transfer medium heat-exchanged with the combustion air by passing the heat exchanger.;COPYRIGHT KIPO 2010