MANOEUVRABLE COMBINED HEAT AND POWER PLANT WITH STEAM DRIVE OF COMPRESSOR Russian patent published in 2020 - IPC F01K23/10 

FIELD: machine building.

SUBSTANCE: manoeuvring combined heat and power plant comprises low and high pressure compressors, combustion chamber, gas turbine, electric generator, main and additional counter-pressure steam turbines, waste heat steam boiler, first and second network heater, deaerator, steam pipelines of superheated steam, direct and return pipelines of heating network; waste heat boiler comprises: superheater, first and second stage evaporators, fuel afterburning chamber, economiser, gas-water heater, superheater is connected by steam pipelines with main and additional steam turbines; their exhausts are connected to the first and second stage network heaters, respectively; network heaters are connected through a deaerator with economiser, low pressure compressor is connected to the main counter pressure steam turbine shaft, the additional steam turbine is connected by the shaft to the elastic release coupling with the low pressure compressor, the control valve on the superheated steam pipeline to the main steam turbine is open both in non-heating, and in the heating mode of the combined heat and power plant operation, in the heating mode the control valve on the superheated steam pipeline to the additional steam turbine is opened; in non-heating mode network water of heating network is heated in network heater of first stage and in gas-water heater, in heating modes include elastic release coupling, fuel is burnt in afterburning chamber, opening control valve on steam pipeline of superheated steam to additional steam turbine, network water of heating network is heated in network heaters of the first and second stage and in gas-water heater.

EFFECT: heat and power plant has high manoeuvrability during operation in non-heating and heating modes.

1 cl, 1 dwg