Photo-thermal power generation device using solar energy

A technology of photothermal power generation and solar energy, applied in the direction of solar thermal power generation, solar thermal devices, solar heat storage, etc., can solve the problems of high cost, poor heat absorption and heat storage performance, and achieve strong operability, low cost, and improved The effect of utilization

Inactive Publication Date: 2016-05-25
SHENYANG JIANZHU UNIVERSITY
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the high cost and poor heat absorption and heat storage performance of solar energy utilization technology limit the promotion of solar energy utilization, so

Method used

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  • Photo-thermal power generation device using solar energy
  • Photo-thermal power generation device using solar energy
  • Photo-thermal power generation device using solar energy

Examples

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Embodiment

[0022] Example: such as figure 1 As shown, a photothermal power generation device utilizing solar energy in the present invention includes a solar pond 17, a cover plate 3, a salt solution and a thermal power generation device, the top of the solar pond 17 is provided with a cover plate 3, and the bottom of the solar pond 17 is provided with a thermal power generation device. Pool 17 contains a saline solution.

[0023] The salt solution is one or more mixed solutions of self-made salt solution, salt lake solution, and seawater solution; wherein, the components of the self-made salt solution include: NaCl, MgCl2 and Mg2SO4, and the mass percentages of each component are: NaCl : 60%~75%, MgCl2: 10%~30%, Mg2SO4: 10%~25%; the salt lake solution is carbonate type, sulfate type or chloride type salt lake solution.

[0024] The salinity of the salt solution increases from top to bottom and presents a gradient distribution, forming a photothermal energy storage system with three lev...

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Abstract

The invention belongs to the technical field of solar collecting systems and thermal power generation, and relates to a photo-thermal power generation device using solar energy. The photo-thermal power generation device comprises a solar pond, a cover plate, a salt solution and a thermal power generation device. The cover plate is arranged at the top of the solar pond, the thermal power generation device is arranged at the bottom of the solar pond, and the salt solution is contained in the solar pond. The salinity of the salt solution is increased from top to bottom and is distributed in a gradient mode, and a photo-thermal energy storage system with an upper convection zone (UCZ), a non-convection zone (NCZ) and a lower convection zone (LCZ) is formed. The solar pond and a power generation system are combined, the advantages of the simple structure and low manufacturing price of the solar pond are brought into play, the use ratio of the solar energy is increased, and the photo-thermal power generation device can be used fully in the aspects of lighting and the like. The photo-thermal power generation device absorbs, stores and uses the solar energy, has the advantages of being low in price, free of environment pollution, high in operability and the like and has excellent application prospects.

Description

technical field [0001] The invention belongs to the technical field of solar heat collection system and thermal power generation, and in particular relates to a photothermal power generation device using solar energy to realize "photothermal conversion and thermal power generation of solar energy". Background technique [0002] As a kind of natural energy, solar radiant energy has shown its unique advantages due to its abundant reserves and non-pollution, and has been internationally recognized as one of the most competitive energy sources in the future. The total amount of solar radiation received by my country's land area is between 3.3×103kJ / (m2·year) and 8.4×103kJ / (m2·year), which is equivalent to 2.4 billion tons of standard coal. It is one of the countries with abundant solar energy resources. The prospect of utilization is very broad. Today, when problems such as population expansion and resource shortage plague mankind, the development and utilization of solar energy...

Claims

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Application Information

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IPC IPC(8): F24J2/34H02S40/44
CPCF24S60/00H02S40/44Y02E10/40Y02E10/50Y02E10/60
Inventor 王晴王萌唐宁于超然马欣怡丁兆洋
Owner SHENYANG JIANZHU UNIVERSITY
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