THERMAL POWER PLANT WITH A REGENERATION SYSTEM AND METHOD OF ITS OPERATION Russian patent published in 2023 - IPC F01K25/08 F25B15/00 F01K17/00 

FIELD: thermal power engineering.

SUBSTANCE: invention relates to thermal power engineering and can be used in circuits of thermal power plants, including small distributed energy. The thermal power plant with a regeneration system comprises a boiler unit, a superheated steam pipeline, a steam turbine, an exhaust steam pipeline, an absorber, a pipeline, a feed pump and a regenerative heat exchanger connected in series. At the same time, the steam of the working fluid exhausted after the steam turbine enters the absorber and is absorbed in the solvent, while the absorption temperature is controlled by supplying the coolant to the absorber cooling circuit, and the resulting strong solution, with a high concentration of the working fluid, enters the pump, where its pressure rises and it enters the regenerative heat exchanger, heated by a weak solution with a low concentration of the working fluid coming from the boiler. In turn, after the heat exchanger, a strong solution enters the boiler unit, with its heating and evaporation of the working fluid from it, and the solvent, which has a high boiling point, remains in a liquid state and from the boiler unit under high pressure enters the regenerative heat exchanger, with heat transfer strong solution and then through the pressure reduction unit returns to the absorber to absorb the exhaust steam. A method for operating a thermal power plant with a regeneration system is also presented.

EFFECT: increasing the energy efficiency of thermal power plants by replacing steam condensation with its absorption using a solution heat recovery system in a cycle.

2 cl, 1 dwg