FIELD: power industry.
SUBSTANCE: thermal power station with steam turbine plant (ORC-module) on a low-boiling energy carrier (LBEC), containing a thermal oil boiler, the ORC-module including a steam generator in the form of a shell-and-tube heat exchanger, consisting of a shell and a tube system, a turbine on steam LBEC with an electric generator, a condenser of the ORC-module, a condensate reservoir and pumps, an absorption bromide-lithium heat pump, the generator of which is included in the closed circuit of the boiler, an evaporator which is included in the circuit of the condenser of the ORC-module, additionally contains a condensing heat exchanger housed in a duct behind the boiler, an input to the tube system is connected to the condenser of the ORC-module, and an output - to an input of an intertubular space of the steam generator module. When the thermal power station is in operation, the condensate of the low-boiling energy carrier from the ORC-module condenser is sent to the condensing heat exchanger tube system, from where the heated condensate is supplied to the intertubular space of the steam generator module, and from there the resulting LBEC steam is directed to the turbine of the module after separation.
EFFECT: invention makes it possible to increase the thermal efficiency and the generation of electricity by maximizing the use of fuel through the deep utilisation of the heat of the exhaust combustion products.
3 cl, 4 dwg
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Authors
Dates
2018-07-25—Published
2015-11-11—Filed