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Heat-storage type vacuum heat collector tube

A vacuum heat collector tube and heat storage technology, applied in the field of solar thermal utilization, can solve the problems of destroying the aesthetic appearance of buildings, urban landscape pollution, and occupying more space.

Inactive Publication Date: 2011-01-26
黄永年
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The non-heat storage type vacuum heat collector needs to be equipped with a hot water storage tank, which not only occupies more space when installed on the roof, but also destroys the beauty of the building shape, and even causes urban landscape pollution in severe cases

Method used

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  • Heat-storage type vacuum heat collector tube
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  • Heat-storage type vacuum heat collector tube

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Embodiment Construction

[0018] Such as figure 1 As shown, the present invention is provided with a metal heat storage tube 1 with a solar heat absorption coating on the outer surface, and the inner surface of the metal heat storage tube 1 can be provided with an anticorrosive coating.

[0019] A transparent glass tube 2 is arranged outside the metal heat storage cylinder 1, and the lower end of the glass tube 2 is a blind end, and a glass exhaust nozzle 3 is arranged. The upper end of the glass tube 2 is welded to one end of the expansion alloy ring 5 with glass solder 4, and the other end of the expansion alloy ring 5 is hermetically connected with an arched metal cover 6.

[0020] At least one liquid inlet pipe 7 and at least one liquid outlet pipe 8 are arranged on the metal cover 6 in a sealed connection. The lower end of the liquid inlet pipe 7 extends into the inner bottom of the metal heat storage cylinder 1, and the lower end of the liquid outlet pipe 8 is connected to The upper end of the metal h...

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Abstract

The invention discloses a heat-storage type vacuum heat collector tube and relates to the technical field of solar heat utilization. The heat-storage type vacuum heat collector tube comprises a metal heat-storage cylinder, wherein a solar heat absorption coating is arranged on an external surface of the metal heat-storage cylinder; a transparent glass tube covers outside the metal heat-storage cylinder; one end of the glass tube is a blind end and the other end of the glass tube is welded with one end of an expanding alloy ring through glass solder; the other end of the expanding alloy ring is connected with a metal cover in a sealing mode; at least one liquid inlet tube and at least one liquid outlet tube are connected to the metal cover in a sealing mode; the lower end of the liquid inlet tube extends to the inner bottom of the metal heat-storage cylinder; the lower end of the liquid outlet tube is connected to the upper end of the metal heat-storage cylinder; and a vacuum cavity is formed between the metal heat-storage cylinder and the glass tube. The metal heat-storage cylinder is a heat collecting device and a heat storage device. Therefore, the heat-storage type vacuum heat collector tube has the advantages of saving roof occupied area without heat-storage water tank and greatly improving building integration degree.

Description

Technical field [0001] The invention relates to the technical field of solar thermal utilization. Background technique [0002] In my country's solar water heater market, evacuated tube solar collectors account for more than 95%, and non-heat storage evacuated heat collection tubes are mostly used, and heat storage evacuated heat collection tubes have not been seen in large quantities. Non-heat storage type vacuum heat collection pipes need to be equipped with hot water storage tanks, so that installation on the roof not only takes up more space, but also destroys the beauty of the building's appearance, and even causes urban landscape pollution in severe cases. Summary of the invention [0003] The purpose of the present invention is to design a vacuum heat collection tube that does not need to be additionally equipped with a hot water storage tank, and the water storage capacity in several vacuum heat collection tubes is equivalent to the capacity of a hot water storage tank. [...

Claims

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Application Information

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IPC IPC(8): F24J2/48
CPCY02E10/40Y02B10/22Y02B10/20
Inventor 黄永年
Owner 黄永年
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