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Full glass vacuum tube type solar heat collector

A technology of vacuum tubes and heat collectors, applied in the field of heat collectors, can solve the problems of reduced heat collection efficiency of heat collector tubes, complex processes, and limited heat-absorbing surface area

Inactive Publication Date: 2009-04-15
周婕
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the process of coating the surface of the black body on the glass surface is complex and costly, the heat absorption surface area of ​​the black body is limited, and the thermal efficiency is relatively low, and once the selective surface falls off, the heat collection efficiency of the heat collecting tube will be greatly reduced

Method used

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  • Full glass vacuum tube type solar heat collector
  • Full glass vacuum tube type solar heat collector

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Experimental program
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Embodiment Construction

[0008] The all-glass vacuum tube solar collector shown in Figure 1 is composed of a water inlet tank (1), a water storage tank (2) and a collector tube (3). One end of the collector tube (3) is inserted into the inlet tank, and the other end is inserted into the storage tank. In the water tank, the water inlet tank is communicated with the heat collecting pipe, and the heat collecting pipe is communicated with the water storage tank.

[0009] Figure 2 shows the cross-sectional view of the heat collector tube. The inner glass tube (4) of the heat collector tube (3) and the outer glass tube (5) are coaxially sleeved, and the inner and outer glass tube openings at both ends are melted and sealed to form a straight-through type. One end has a vacuuming nozzle that protrudes outward. After the interlayer between the inner and outer tubes is evacuated through the vacuuming nozzle, the vacuum nozzle is heated and softened to seal and extrude the sealing vacuum nozzle inward to form an...

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Abstract

The invention discloses a full-glass vacuum pipe-typed solar heat collector consisting of a water tank and a heat collecting pipe; the internal glass nozzle and the external glass nozzle of the heat collecting pipe are fuse-sealed and the interlayer is a vacuum state. The internal glass pipe of the heat collecting pipe is internally provided with black heat absorbing grains; the heat collecting pipe is connected with the water tank; when in use, the black heat absorbing grains in the heat collecting pipe can absorb the sunlight and converts the light energy into heat energy, thus heating the water in the heat collecting pipe; and the use of the black heat absorbing grains improves the heat absorbing surface area and greatly increases the heat collecting efficiency of the heat collecting pipe.

Description

technical field [0001] The invention relates to a heat collector, mainly an all-glass vacuum tube type solar heat collector. Background technique [0002] At present, most of the existing solar collectors on the market, the core components of the collector tubes are made of two layers of transparent glass tubes coaxially sleeved, the inner and outer tube openings are sealed, and the inner surface of the inner glass tube is plated A layer is made by selectively absorbing the surface of the black body. The selective absorption black body surface is mainly used to absorb sunlight and convert light energy into heat energy, so as to achieve the purpose of heat collection. The disadvantage is that the process of coating the surface of the black body on the glass surface is complicated, the cost is high, the heat absorbing surface area of ​​the black body is limited, and the thermal efficiency is relatively low, and once the selective surface falls off, the heat collection efficie...

Claims

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Application Information

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IPC IPC(8): F24J2/05F24S10/40
CPCY02E10/44F24J2/055F24S10/45
Inventor 周婕
Owner 周婕