Energy optimisation process of a power plant for both energy and steam production

摘要

The method involves producing electrical or mechanical energy (3) and a combustion gas by a gas turbine (1) and supplying water (6) to a heat recuperation unit (5) of a co-generation unit (A), where a temperature of the water of the unit (5) is 20 degree Celsius higher than that of air (10) of a water vapor production unit (B). The water is heated by the combustion gas of the gas turbine in the heat recuperation unit. Water (12) is heated by combustion of a fuel (11) and the air in the unit (B). The air is partially reheated by exchanging the heat to the water (6).