HEAT RECOVERY SYSTEM AND HEAT RECOVERY METHOD

摘要

This heat recovery system is provided with a preheater (4) which exchanges heat between condensed water generated in a condenser (3) and CO2 in a CO2 recovery device, a gas heater (5) which exchanges heat between the condensed water heated in the preheater (4) and exhaust gas discharged from a boiler (7), and the boiler (7) to which the condensed water heated in the gas heater (5) is supplied as boiler feed water. By this means, the amount of steam extracted from a low-pressure steam turbine (2) is reduced.