Heat collection device of solar energy

A solar collector and metal tube technology, which is applied in the field of solar thermal utilization, can solve the problems that the output temperature is difficult to exceed 100°C, the application range of solar thermal utilization is affected, and the output temperature is not high, and the cross-sectional area can be reduced and reduced. Small pipe diameter, the effect of reducing the pipe diameter

Inactive Publication Date: 2006-04-19
黄永年
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  • Abstract
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Problems solved by technology

Prior art solar heat collectors, a class is a tube plate (also known as flat plate) heat collector, the output temperature is not high, and the other is a vacuum tube heat collector that is widely used now, although the output temperature has increased, However, its stable output temperature is difficult to exceed 100°C, and it is generally limited to heating the medium below 100°C, which greatly affects the application range of solar thermal utilization.

Method used

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  • Heat collection device of solar energy
  • Heat collection device of solar energy
  • Heat collection device of solar energy

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Embodiment Construction

[0055] Such as figure 1 As shown, the collector is provided with four metal tubes 1 with solar heat absorbing film on the surface, heat transfer medium, such as water, oil, etc., inside the metal tubes 1, metal fins 2 are set outside the metal tubes 1, and metal fins 2 The surface is provided with a solar heat absorbing film. Four metal tubes 1 and metal fins 2 are arranged in a transparent heat preservation tube 3 . The metal pipe 1 is a straight-through pipe with two ends, and the two ends pass through the two ends of the transparent heat preservation pipe 3 respectively.

[0056] The bottom of the transparent heat preservation pipe 3 is provided with a light concentrating reflector 4 with a concave arc-shaped upper side in the cross section. The upper surface of the U shape is a symmetrical parabola, or it can be a symmetrical combination of several arc segments with different radii, or it can be arc-shaped.

[0057] Support body 5 can also be as figure 2 As shown, the...

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Abstract

A heat collector of solar energy is prepared as setting light focusing ¿C reflecting component with arc shaped section on support , placing at least two metal tubes with solar energy absorbing film on its surface above light focusing ¿C reflecting component , containing heat transmission media in metal tubes , making shape and size of said light focusing ¿C reflecting component be consistence and making axial direction of metal tubes be parallel to length direction of light focusing ¿C reflecting component .

Description

technical field [0001] The invention relates to solar heat utilization technology. Background technique [0002] Solar thermal collector is an application product of solar thermal utilization. Prior art solar heat collectors, one class is a tube-sheet type (also known as a flat plate) heat collector, the output temperature is not high, and the other is a vacuum tube type heat collector that is widely used in large quantities now, although the output temperature has increased, However, its stable output temperature is difficult to exceed 100°C, and it is generally limited to heating the medium below 100°C, which greatly affects the application range of solar thermal utilization. Contents of the invention [0003] The purpose of the present invention is to design a solar heat collector that can greatly increase the output temperature of the heat transfer medium. [0004] In the present invention, a light concentrating reflector with a concave arc-shaped cross section is ar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/10F24J2/24F24S23/70F24S10/70
CPCY02E10/44
Inventor 黄永年
Owner 黄永年
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