INTAKE AIR COOLING METHOD, INTAKE AIR COOLING DEVICE FOR EXECUTING THE PROCESS AND HEAT RECOVERY DEVICE AND GAS TURBINE SYSTEM EACH COMPRISING THE INTAKE AIR COOLING DEVICE

摘要

An intake air cooling device (150) includes a feedwater line (131) and a heat pump device (151). The feedwater line (131) sends water to a waste heat recovery boiler (110) which generates steam using heat from an exhaust gas (EG) of a gas turbine (10). The heat pump device (151) transfers heat from air (A) sucked by the gas turbine (10) to water flowing through the feed water line (131), thereby cooling the air (A) while heating the water.