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Solar photo-thermal power generation device

A technology of photothermal power generation and solar energy, applied in the field of solar energy, can solve problems such as the inability to continuously supply heat for a long time at night

Inactive Publication Date: 2018-11-16
GLOBAL ENERGY INTERCONNECTION RES INST EURO GMBH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the embodiment of the present invention provides a solar thermal power generation device to solve the problem that the dish solar power generation system in the prior art cannot continuously supply heat and transfer electricity for a long time at night

Method used

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no. 1 approach

[0038] In the first embodiment, air is used as the heat transfer medium:

[0039] An industrial park is building a new energy application demonstration, using solar thermal power generation to provide all-weather power supply to the park's employees' bungalow-style office facilities. A dish-type solar thermal power generation platform is proposed to be built. Part of the light and heat absorbed during the day is directly powered by the thermoelectric conversion module, and part of it is stored. When the light is insufficient, there is no light, and at night, the heat storage is released for power supply. The office area covers an area of ​​500m 2 , the average power supply for 12 working hours during the day is 60W / m 2 , 12 hours at night, using the heat storage module to release heat and continue to generate power at 30kW, which can be used for a 30kW DC charging pile in the park to charge two 180kWh electric buses overnight; there is still power when the electric buses do n...

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Abstract

The invention discloses a solar photo-thermal power generation device. The solar photo-thermal power generation device comprises a disc type collecting lens, a heat collecting pipe, a heat collector,a thermoelectric conversion module and an energy storage module. The heat collecting pipe is arranged above the disc type collecting lens. The heat collector is arranged below the disc type collectinglens and connected with the disc type collecting lens through the heat collecting pipe. The thermoelectric conversion module is connected with the heat collector. The energy storage module and the thermo-electric conversion module are connected in parallel. Through the reformation of a traditional disc type solar power generator, in combination with the energy storage module and the thermoelectric conversion module which are based on a medium-high temperature phase change material, a controllable circulation loop of heat absorption, heat transfer, heat release and cooling of a heat transfer work medium is reasonably designed; when light is sufficient, the energy storage module and the power generation module work concurrently; when it is at night or sunlight is insufficient, the two modules form a series closed loop, the energy storage material is utilized to release heat to supplement heat, power generation is continuously conducted, and then time-sharing sustainable power generationis achieved; and on one hand, the photo-thermal utilization rate is improved, and on the other hand, the problem that the disc type solar device depends on sunlight can be solved.

Description

technical field [0001] The invention relates to the technical field of solar energy, in particular to a solar thermal power generation device. Background technique [0002] Photothermal power generation is a traditional form of solar power generation technology, which has the advantages of high power generation efficiency, accommodative characteristics of the system output grid, and obvious scale benefits of power generation. [0003] The dish solar power generation system uses a dish (disc)-shaped parabolic mirror to focus on the solar beam to collect heat and heat the heat transfer medium. The heated working fluid transmits heat energy to the heat engine to drive the generator to generate electricity, thereby realizing thermoelectric conversion. The system generally includes a front-end condenser with a diameter of 10-15 meters, a tracking controller, a heat collector, a cooling device, a thermoelectric conversion device, and a rear-end power transformation device and an ...

Claims

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Application Information

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IPC IPC(8): F03G6/06F24S10/70F24S20/20F24S60/10F24S80/65F24S10/30
CPCF03G6/06Y02E10/46
Inventor 谯耕周育帧雷宪章金露宋鹏翔
Owner GLOBAL ENERGY INTERCONNECTION RES INST EURO GMBH
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