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Electrode boiler and molten salt thermal storage participate in the comprehensive system of thermoelectric decoupling in coal-fired thermal power plants

An electrode boiler and integrated system technology, applied in the field of peak regulation of coal-fired power plants, can solve problems such as increased power generation, increase of coal-fired thermal power plants, and peak regulation contradictions of heating power grids, so as to improve heating capacity, enhance operating capacity, and improve The effect of the ability to deep peak shaving

Active Publication Date: 2021-05-14
BEIJING JINMAO GREEN BUILDING TECH CO LTD
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Problems solved by technology

However, in the heating season, the coal-fired cogeneration units ensure the heat supply, resulting in an increase in power generation, resulting in a contradiction between heat supply and grid peak regulation. In order to solve this contradiction, it is necessary to increase the flexibility of coal-fired thermal power plants

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  • Electrode boiler and molten salt thermal storage participate in the comprehensive system of thermoelectric decoupling in coal-fired thermal power plants
  • Electrode boiler and molten salt thermal storage participate in the comprehensive system of thermoelectric decoupling in coal-fired thermal power plants
  • Electrode boiler and molten salt thermal storage participate in the comprehensive system of thermoelectric decoupling in coal-fired thermal power plants

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Embodiment Construction

[0048] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0049] see Figure 1 ~ Figure 3 shown;

[0050] The electrode boiler and molten salt heat storage of the present invention participate in the comprehensive system of thermoelectric decoupling in coal-fired thermal power plants. The system mainly includes:

[0051] Steam turbine system 1;

[0052] An electric boiler heating system 2 connected to the steam turbine system 1 and located downstream of the steam turbine system 1 process; and

[0053] The molten salt thermal storage system 3 located upstream of the electric boiler heating system 2 process;

[0054] The electric boiler heating system 2 has an electric boiler 201 and an electrode boiler primary side heat exchanger 202 connected to the electric boiler 201 through pipelines;

[0055] Th...

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Abstract

The invention discloses a comprehensive system in which an electrode boiler and molten salt heat storage participate in thermoelectric decoupling of a coal-fired thermal power plant, including a steam turbine system, an electric boiler heating system connected to the steam turbine system and located downstream of the steam turbine system process; and The molten salt thermal storage system located upstream of the process of the electric boiler heating system; the system of the present invention improves the heat supply capacity of the coal-fired thermal power unit when the power generation load of the coal-fired thermal power unit is low through the steam turbine system, the electric boiler heating system and the molten salt thermal storage system , Cooperating with electric boiler heating can realize the deep peak regulation of coal-fired thermal power plant to ensure the heating area, which is conducive to improving the operating flexibility of the unit and improving the deep peak regulation capability of the thermal power unit.

Description

technical field [0001] The invention relates to the technical field of peak regulation in coal-fired power plants, in particular to a comprehensive system in which electrode boilers and molten salt heat storage participate in thermoelectric decoupling in coal-fired thermal power plants. Background technique [0002] At present, my country's new energy power generation technology is developing rapidly, and coal power has excess capacity. When the proportion of new energy in the grid gradually expands, the demand for peak-shaving power will gradually increase. Compared with new energy and other power sources, coal power It has good peak shaving performance. [0003] For countries that use coal as their primary energy source, highly regulated coal power plants have become the most realistic and feasible option. [0004] Since coal-fired power units undertake functions such as deep peak-shaving and backup of non-fossil energy power generation, thermal power units, especially coa...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24D3/10F24D3/02F22B1/30F01K11/02F28D20/00
CPCF01K11/02F22B1/30F24D3/02F24D3/1058F28D20/0034F28D2020/0047Y02E60/14
Inventor 刘泽涛王旭王晓鑫刘赟
Owner BEIJING JINMAO GREEN BUILDING TECH CO LTD
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