Gas and steam combined cycle pressurized fluidized bed power plant and its establishment and operation method

摘要

A combined cycle pressurized fluidized bed power plant having a system for maintaining operation during low load condition, comprises a pressurized fluidized combustor for burning fuel for producing a gas for powering a gas turbine, and for producing steam for powering a steam turbine, a gas turbine responsive to the gas for powering a compressor for supplying air to the combustor and a first generator for generating electrical power, a steam turbine responsive to the steam for powering a second generator for generating electrical power, and an injector for injecting steam into the gas turbine for powering the turbine and compressor during low load conditions of the power plant.