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Spiral cavity type solar thermal collector

A technology of solar heat collectors and heat collectors, which is applied in the direction of solar heat collectors, solar thermal energy, and solar heat collectors using working fluids, etc., which can solve unevenness, affect the heat distribution of heat collectors and local heat exchange efficiency , collector service life and other issues, to achieve the effect of increasing light yield, improving heat collection and heat exchange efficiency, simplifying heat preservation and manufacturing process

Inactive Publication Date: 2014-03-26
YIKEBO ENERGY TECH SHANGHAI
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Problems solved by technology

[0005] According to theoretical calculations, the cavity structure has the largest energy collection rate; the energy distribution obtained by different focusing methods is uneven on the inner surface of the cavity collector, which directly affects the heat distribution and local heat transfer efficiency of the collector , which in turn affects the service life of the collector

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  • Spiral cavity type solar thermal collector
  • Spiral cavity type solar thermal collector
  • Spiral cavity type solar thermal collector

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Embodiment Construction

[0024] In the following description, many technical details are proposed in order to enable readers to better understand the application. However, those skilled in the art can understand that without these technical details and various changes and modifications based on the following implementation modes, the technical solution claimed in each claim of the present application can be realized.

[0025] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings. The same or similar components in the figures are denoted by the same reference numerals.

[0026] see figure 1 , is the structural schematic diagram of the spiral cavity solar collector. The heat collector includes: a heat-conducting medium inlet 1, a heat-conducting medium outlet 2, and a heat-absorbing coil 3. The heat-absorbing coil 3 is in a ...

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Abstract

The invention relates to the technical field of solar optothermal power generation, and discloses a spiral cavity type solar thermal collector which comprises a heat conducting medium inlet, a heat conducting medium outlet and a heat absorbing coil pipe. The heat absorbing coil pipe is spiral, heat absorbing fins used as heat absorbing cavities are arranged on spiral gaps of the heat absorbing coil pipe, and the surfaces of the heat absorbing fins are paved with selective absorption coatings. The bent groove type heat collecting cavity type structure enables the temperature of the heat exchange surface to be more evenly distributed, heat collecting and exchanging efficiency of the thermal collector is improved, and the heat preservation and manufacturing processes are simplified.

Description

technical field [0001] The invention relates to the technical field of solar photothermal power generation systems, in particular to a spiral cavity solar heat collector. Background technique [0002] Energy is the foundation of social development and human progress. With the continuous development of industry and the expansion of human needs, the energy situation is becoming increasingly tense, and green energy is considered to be a way to fundamentally solve human energy needs. [0003] Among them, solar energy is considered to be one of the most potential new energy sources because of its unlimited "reserves", universal distribution, cleanliness and economy. The characteristics of solar thermal power generation are good adaptability to the grid, high photoelectric conversion rate, environmental protection and adjustable, etc., so it has become an important development direction of solar energy utilization. [0004] The key to solar thermal power generation is to accumul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/24F24J2/05F24J2/46F24S10/40F24S10/70
CPCY02E10/44
Inventor 项晓东李伟轩张琛
Owner YIKEBO ENERGY TECH SHANGHAI
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