Sodium cooled fast reactor power generation system using supercritical carbon dioxide working medium

Abstract

The invention discloses a sodium cooled fast reactor power generation system using a supercritical carbon dioxide working medium. The sodium cooled fast reactor power system comprises a sodium cooled fast reactor for providing a heat source and a third loop of the supercritical carbon dioxide working medium, wherein the third loop converts heat energy into electric energy; the third loop comprises a third pipeline communicated with a second heat exchanger; the third pipeline is provided with a first generator, a first turbine which drives the first generator to generate power, a first regenerator, a second regenerator, a cooler, a gas compressor, a second generator and a second turbine which drives the second generator; the secondary-side outlet of the second heat exchanger passes through the first turbine, the high-temperature side of the first regenerator, the high-temperature side of the second regenerator and the cooler and then is communicated with the gas compressor; the outlet of the gas compressor is communicated with the secondary-side inlet of the second heat exchange and the low-temperature side of the second regenerator respectively; and the low-temperature side of the second regenerator passes through the low-temperature of the first regenerator and the second turbine, and then is communicated with the high-temperature side of the second regenerator. The third loop in the power generation system can realize the optimization of power generation efficiency.

Description

technical field [0001] The invention relates to the field of generating electricity by using supercritical carbon dioxide, in particular to a sodium-cooled fast reactor power generation system using supercritical carbon dioxide working medium. Background technique [0002] Nuclear energy is an important part of the country's energy structure, and safety and efficiency are the goals of nuclear energy technology development. As the fourth-generation nuclear energy system proposed in pursuit of safety, efficiency and sustainability, the sodium-cooled fast reactor has received key attention and continuous research and development in my country, and has become an important direction for my country's nuclear energy technology innovation. Current sodium-cooled fast reactor systems generally use water / steam power plants to generate electricity, and the resulting sodium-water reaction is one of the major safety issues faced by sodium-cooled fast reactor engineering applications. Mor...

AI Technical Summary

Problems solved by technology

Current sodium-cooled fast reactor systems generally use water / steam power plants to generate electricity, and the resulting sodium-water reaction is one of the major safety issues faced by sodium-cooled fast reactor engineering applications

Moreover, the steam power plant system is complex, with huge equipment, many auxiliary systems, and low efficiency under high temperature conditions, which weakens the economic level of sodium-cooled fast reactors to a certain extent and reduces the competitiveness of sodium-cooled fast reactors

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