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Coordinated control device for light field fused salt flow adjustment and defocusing adjustment of groove type photo-thermal power station

A technology of coordinated control and flow regulation, applied in heating devices, solar thermal devices, solar collector controllers, etc., can solve problems such as the technical problems of the background technology that have not been solved, and achieve improved operating efficiency, reduced system energy loss, The effect of high efficiency and long-term stable operation

Active Publication Date: 2016-03-30
中国东方电气集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In summary, the above-mentioned patents do not solve the technical problems mentioned in the background technology

Method used

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  • Coordinated control device for light field fused salt flow adjustment and defocusing adjustment of groove type photo-thermal power station
  • Coordinated control device for light field fused salt flow adjustment and defocusing adjustment of groove type photo-thermal power station
  • Coordinated control device for light field fused salt flow adjustment and defocusing adjustment of groove type photo-thermal power station

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The trough photothermal power station includes a cold tank, a heat collecting field and a power generation system. The cold tank includes a cold tank inlet 1, a cold tank inlet 2 and a cold tank outlet. The heat collecting field includes a heat collecting field outlet 1, a heat collecting field The field outlet 2 and the heat collection field entrance, the power generation system includes the power generation system entrance and the power generation system exit; the cold tank outlet is connected to the heat collection field entrance through a pipeline 1, and the cold tank exit is also equipped with a molten salt pump A: The outlet 1 of the heat collection field is connected to the inlet of the power generation system through a pipeline 2, the outlet of the power generation system is connected to the inlet 1 of the cold tank through a pipeline 3, and the outlet 2 of the heat collection field is connected to the inlet of the power generation system through a pipeline 4 Said ...

Embodiment 2

[0043] The trough photothermal power station includes a cold tank, a heat collecting field and a power generation system. The cold tank includes a cold tank inlet 1, a cold tank inlet 2 and a cold tank outlet. The heat collecting field includes a heat collecting field outlet 1, a heat collecting field The field outlet 2 and the heat collection field entrance, the power generation system includes the power generation system entrance and the power generation system exit; the cold tank outlet is connected to the heat collection field entrance through a pipeline 1, and the cold tank exit is also equipped with a molten salt pump A: The outlet 1 of the heat collection field is connected to the inlet of the power generation system through a pipeline 2, the outlet of the power generation system is connected to the inlet 1 of the cold tank through a pipeline 3, and the outlet 2 of the heat collection field is connected to the inlet of the power generation system through a pipeline 4 Sai...

Embodiment 3

[0055] The trough photothermal power station includes a cold tank, a heat collecting field and a power generation system. The cold tank includes a cold tank inlet 1, a cold tank inlet 2 and a cold tank outlet. The heat collecting field includes a heat collecting field outlet 1, a heat collecting field The field outlet 2 and the heat collection field entrance, the power generation system includes the power generation system entrance and the power generation system exit; the cold tank outlet is connected to the heat collection field entrance through a pipeline 1, and the cold tank exit is also equipped with a molten salt pump A: The outlet 1 of the heat collection field is connected to the inlet of the power generation system through a pipeline 2, the outlet of the power generation system is connected to the inlet 1 of the cold tank through a pipeline 3, and the outlet 2 of the heat collection field is connected to the inlet of the power generation system through a pipeline 4 Sai...

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Abstract

The invention relates to the technical field of solar groove type photo-thermal power generation, in particular to a coordinated control device for light field fused salt flow adjustment and defocusing adjustment of a groove type photo-thermal power station. The coordinated control device comprises a heat collecting field flow adjustment control unit, a heat collecting field defocusing adjustment control unit and a central coordinated control unit, wherein the heat collecting field flow adjustment control unit and the heat collecting field defocusing adjustment control unit are connected through a communication network and are connected with the central coordinated control unit. The heat collecting field flow adjustment control unit is used for controlling the flow of a cold tank outlet according to commands of the central coordinated control unit. By means of the coordinated control device, a photo-thermal power generation system is made to guarantee that fused salt stably flows without condensation when solar illumination intensity is poor according to solar illumination intensity differences in time, meanwhile, the temperature of the fused salt is controlled not to exceed the standard when the solar illumination intensity is too high, and therefore the photo-thermal power generation system can stably operate with high efficiency for a long time under complex and diversified weather conditions.

Description

technical field [0001] The invention relates to the technical field of solar trough photothermal power generation, in particular to a coordinated control device for adjusting and controlling molten salt flow and defocusing in a trough photothermal power station. Background technique [0002] Solar thermal power generation is a clean energy method that can be concentrated for large-scale power generation. The trough system is currently among the solar thermal power generation methods, with the highest degree of technical maturity and commercialization verification. The heat source required for solar thermal power generation all comes from sunlight, and the intensity of sunlight varies greatly at different time points in a day. Due to the long process of starting and stopping the solar thermal power generation system, the steps are cumbersome and the cost is high. [0003] When the light conditions are moderate, it is necessary to control the outlet temperature of the molten ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/40
CPCY02E10/40F24S50/00
Inventor 周宏林刘征宇冯玲吴建东
Owner 中国东方电气集团有限公司
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