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Nuclear energy driven three-stage combined cycle power generation system and working method thereof

A technology of combined cycle power generation and nuclear energy, applied in nuclear power generation, nuclear power plants, nuclear engineering, etc., can solve the problems of low power generation efficiency, achieve the effects of improving power generation efficiency, reducing compression work, and reducing energy consumption

Pending Publication Date: 2022-02-11
HUANENG CLEAN ENERGY RES INST
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Problems solved by technology

But at present, it is mainly in the form of a single cycle of steam turbines, and the power generation efficiency is low

Method used

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  • Nuclear energy driven three-stage combined cycle power generation system and working method thereof

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Embodiment Construction

[0026] The present invention is described in further detail below in conjunction with accompanying drawing:

[0027] Such as figure 1 Shown is the nuclear energy-driven three-stage combined cycle power generation system and device of the present invention, including a nuclear reactor unit, a supercritical carbon dioxide power generation unit, a Rankine cycle power generation unit, and an organic Rankine cycle power generation unit.

[0028] Nuclear reactor unit: The high-temperature helium from reactor 1 enters the heater 2 to heat the supercritical carbon dioxide, convert nuclear energy into high-temperature heat energy, and then deliver the supercritical carbon dioxide working medium to the supercritical carbon dioxide power generation unit.

[0029] The supercritical carbon dioxide power generation unit is used to heat the supercritical carbon dioxide with the high temperature heat energy of the nuclear reactor unit, and convert the received heat energy into electric energy...

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Abstract

The invention discloses a nuclear energy driven three-stage combined cycle power generation system and a working method thereof. The nuclear energy driven three-stage combined cycle power generation system comprises a nuclear reactor unit, a supercritical carbon dioxide power generation unit, a Rankine cycle power generation unit and an organic Rankine cycle power generation unit. A gas outlet of the reactor is connected with a hot end inlet of the heater; a hot end outlet of the heater is connected with a gas inlet of the reactor; a carbon dioxide outlet of the heater is sequentially connected with a carbon dioxide turbine, a hot end of a Rankine cycle heater, a hot end of a first organic working medium heater, a hot end of a cooler and a carbon dioxide inlet of the heater; the cold end of the Rankine cycle heater is connected with the input heat source end of the Rankine cycle power generation unit, and the cold end of the first organic working medium heater is connected with the input heat source end of the organic Rankine cycle power generation unit. A three-stage combined cycle power generation system constructed by supercritical carbon dioxide cycle, Rankine cycle and organic Rankine cycle driven by nuclear energy is provided, and the power generation efficiency of the nuclear power station is effectively improved.

Description

technical field [0001] The invention belongs to the field of nuclear power generation, and relates to a nuclear power driven three-stage combined cycle power generation system and a working method thereof. Background technique [0002] High Temperature Gas Cooled Reactor (HTGR) is a graphite-moderated helium-cooled reactor. The high-temperature gas-cooled reactor belongs to the fourth-generation nuclear power technology and is an advanced reactor type with inherent safety. It has broad application prospects in the fields of power generation, heat supply, hydrogen production, and seawater desalination. [0003] Since the high-temperature gas-cooled reactor can generate steam with higher parameters, the conventional island thermodynamic cycle needs to be improved to improve power generation efficiency. But at present, it is mainly in the form of a single cycle of steam turbines, and the power generation efficiency is low. Contents of the invention [0004] The object of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01K25/10F01K23/04F01K13/00G21D5/08
CPCF01K25/103F01K23/04F01K13/00F01K13/006G21D5/08Y02E30/00
Inventor 彭烁周贤钟迪姚国鹏黄永琪安航白烨蔡浩飞王会
Owner HUANENG CLEAN ENERGY RES INST
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