U-shaped multi-tube type evacuated collector tube

A heat collecting tube, U-shaped technology, applied in the field of solar energy, can solve the problem of low working temperature of vacuum heat collecting tubes, achieve the effects of improving conversion and exchange efficiency, small cross-sectional area, and reducing radiation efficiency

Inactive Publication Date: 2014-03-26
YIKEBO ENERGY TECH SHANGHAI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a U-shaped multi-tube vacuum heat collecting tube, which solves the limitation of th

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  • U-shaped multi-tube type evacuated collector tube
  • U-shaped multi-tube type evacuated collector tube
  • U-shaped multi-tube type evacuated collector tube

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[0020] In the following description, many technical details are proposed for the reader to better understand this application. However, those of ordinary skill in the art can understand that even without these technical details and various changes and modifications based on the following embodiments, the technical solutions required by the claims of this application can be implemented.

[0021] In order to make the objectives, technical solutions and advantages of the present invention clearer, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. The same or similar components in the figures are represented by the same reference numerals.

[0022] See figure 1 , figure 2 , Shows the first embodiment of the U-shaped multi-tube vacuum heat collection tube of the present invention. As shown in the figure, the heat collection tube includes: an elliptical cylindrical transparent shell 1; Multiple U-shaped thi...

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Abstract

The invention relates to the field of solar technology, and discloses a U-shaped multi-tube type evacuated collector tube. The U-shaped multi-tube type evacuated collector tube comprises a transparent shell body and a plurality of U-shaped thin tubes, wherein the multiple U-shaped thin tubes are arranged inside the shell body in parallel and are connected in parallel, a vacuum space is formed between the shell body and the multiple U-shaped thin tubes, and a selective absorbing coating coats the surface of each U-shaped thin tube. The U-shaped multi-tube type evacuated collector tube uses the multiple heat collection tubes in a concentrated mode and has the advantages of being rapid in temperature rise, small in temperature difference, high in heat exchange rate, wide in application range and the like.

Description

technical field [0001] The invention relates to the technical field of solar energy, in particular to a U-shaped multi-tube vacuum heat collecting tube. Background technique [0002] In the heat utilization of solar energy, the key is to convert the sun's radiant energy into heat energy. Because solar energy is relatively dispersed, it must be concentrated, so solar collectors are the key parts of various solar energy devices. A solar collector is a device used to absorb solar radiation to convert it into heat energy and transfer it to a heat medium. Although the solar collector is not a terminal product directly facing consumers, the solar collector is a key component of various solar heat utilization systems. Whether it is solar water heaters, solar cookers, active solar houses, solar greenhouses or solar drying, solar industrial heating, solar thermal power generation, etc., solar collectors are inseparable, and solar collectors are used as the power or core components ...

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Application Information

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IPC IPC(8): F24J2/46
CPCY02E10/40
Inventor 项晓东张融
Owner YIKEBO ENERGY TECH SHANGHAI
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