THERMAL POWER PLANT Russian patent published in 2022 - IPC F01K13/00 F01K7/38 

FIELD: thermal power engineering.

SUBSTANCE: invention relates to thermal power engineering, namely to devices for generating electrical energy, and can be used in thermal power plants. The effect is achieved by the fact that the thermal power plant contains a steam turbine unit, consisting of a steam boiler connected through a superheater to a counter-pressure turbine, which is a drive for the electric generator of the steam turbine unit, the counter-pressure turbine is connected, in turn, to the third, second and first high-pressure heaters on the hot side and deaerator through the selections, as well as with the steam consumer, while the backpressure turbine is also connected to the medium pressure cylinder of the steam-gas unit, and the condensate pump of the steam-gas unit is also connected to the deaerator, the steam consumer is connected to the condensate pump of the steam turbine unit, the condensate pump of the steam turbine unit is connected to the deaerator, the deaerator through the feed pump of the steam turbine unit is connected to the first high pressure heater on the cold side, the first high pressure heater on the hot side is connected to the deaerator, and on the cold side - with the second high pressure heater, the second high pressure heater on the hot side is connected with the first high pressure heater, and on the cold side - with the third high pressure heater, the third high pressure heater on the hot side is connected with the second high pressure heater, and on the cold side cold - with a steam boiler, and a combined-cycle unit consisting of a compressor connected through a combustion chamber to a gas turbine, which is the drive for the first electric generator of the combined-cycle unit, the gas turbine is connected to the waste-heat boiler, which, in turn, consists of a high-pressure superheater connected on the hot side to the high-pressure evaporator, and on the cold side to the high-pressure cylinder of the combined-cycle unit, which mechanically connected to the medium pressure cylinder of the steam-gas unit, the high-pressure evaporator is connected on the hot side to the medium-pressure superheater, and on the cold side to the high-pressure drum of the steam-gas unit, medium-pressure superheater on the hot side is connected to the medium-pressure evaporator, and on the cold side - to the medium-pressure cylinder of the combined-cycle unit, which is mechanically connected to the low-pressure cylinder of the combined-cycle unit, the medium-pressure evaporator is connected to the low-pressure superheater on the hot side, and on the cold side - with the medium pressure drum of the steam-gas unit, the low-pressure superheater is connected on the hot side to the high-pressure economizer, and on the cold side - to the medium pressure cylinder of the steam-gas unit, the high-pressure economizer on the hot side is connected to the medium pressure economizer, and on the cold side - with a high-pressure drum of the steam-gas unit, the medium-pressure economizer is connected to the low-pressure evaporator on the hot side, and on the cold side - with the medium pressure drum of the steam-gas unit, the low-pressure evaporator on the hot side is connected to the gas condensate heater, and on the cold side - with the low-pressure drum of the steam-gas unit, the gas condensate heater on the hot side is connected to the atmosphere, and on the cold side - to the drum low pressure steam-gas unit, the low-pressure drum of the gas-steam unit is connected through the water space to the low-pressure evaporator and through the medium and high pressure feed pumps of the steam-gas unit with medium and high pressure economizers, respectively, and in the steam space - with a low-pressure steam superheater, the medium-pressure drum of the steam-gas unit is connected through the water space to the medium-pressure evaporator, and through the steam space - to the medium-pressure superheater, the high-pressure drum of the steam-gas unit is connected through the water space to the high-pressure evaporator, and through the steam space with a high-pressure superheater, the high-pressure cylinder of the combined-cycle unit is connected to the medium-pressure superheater, the medium pressure cylinder of the combined cycle unit is connected to the low pressure cylinder of the combined cycle unit, the low pressure cylinder of the combined cycle unit, which is the drive for the second electric generator of the combined cycle unit, is connected to the condenser of the combined cycle unit, the condenser of the combined cycle unit is connected to the condensate pump of the combined cycle unit, the condensate pump of the combined cycle unit is connected to gas condensate heater.

EFFECT: improvement of the thermal power plant, allowing to increase the maneuverability of the thermal power plant.

1 cl, 1 dwg