Helium-steam combined cycle combined cooling, heating and power system and method

Abstract

The invention discloses a helium-steam combined cycle combined cooling, heating and power system and method. The system comprises a steam turbine high-intermediate-pressure cylinder, a steam turbine low-pressure cylinder, a steam turbine electric generator, a condenser, a deaerator, a lithium bromide double-effect refrigerating unit, a heat supply network heat exchanger, a reactor, a helium-helium heat exchanger, a helium turbine, a helium turbine electric generator, a steam generator and a helium-water heat exchanger. Through the system and method, combined cooling, heat and power supply can be achieved based on the reactor, the cost is low, pollution is few, and meanwhile, flexible matching of cooling, heating and power can be achieved.

Description

technical field [0001] The invention belongs to the field of energy technology, and relates to a thermal, electric and cooling triple supply system and method, in particular to a helium-steam combined cycle thermal, electric and cooling triple supply system and method. Background technique [0002] The combined heating, power and cooling system is a polygeneration system that integrates power generation, heating and cooling processes. Combined heating, power and cooling technology has the advantages of improving energy utilization, reducing harmful gas emissions and realizing diversified energy supply, and has been widely promoted at home and abroad. According to the energy supply mode, there are three main types of combined heat, power and cooling systems: boiler-steam turbine combined heat, power and cooling, gas-steam combined cycle heat, power and cooling, and internal combustion engine combined heat, power and cooling. As far as the current development of combined heat...

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Problems solved by technology

Compared with the mature cogeneration system of heat, power and cooling in developed countries, there is still a certain gap in the coordination and matching of the output of the three energy sources of heat, power and cooling due to the constraints of the current power structure system in China.

At the same time, taking into account my country's national conditions and energy medium and long-term development planning goals, the above three combined heating, power and cooling systems that use coal or natural gas as input energy, the former is more serious to air pollution, while the latter has clean combustion and high efficiency advantages, but my country's natural gas resources are limited and energy utilization costs are relatively high

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