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High-efficiency full-glass heat tube

An all-glass, glass inner tube technology, applied in heating devices, solar thermal devices, solar thermal power generation, etc., can solve the problems of low water tank temperature, slow thermal energy conduction, poor heat collection effect of vacuum heat collecting tubes, etc., and achieve heat exchange rate-enhancing effect

Inactive Publication Date: 2010-10-20
董凤华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, with the lack of non-renewable energy, people pay more and more attention to renewable energy such as solar energy, so solar water heaters have been widely used and popularized. However, the existing vacuum heat collecting tubes with good heat collecting effect are often too expensive to be popularized, while those with low cost often have poor heat collecting effect of vacuum heat collecting tubes and the distance between the vacuum heat collecting tubes and the water tank. Heat energy conduction is slow, and the temperature in the water tank is low

Method used

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Examples

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Embodiment 2

[0014] Example 2: Another high-efficiency all-glass heat pipe, including a 58mm diameter glass outer tube 1, a 47mm diameter glass inner tube 2, the glass inner tube 2 has a wall thickness of 1.6 mm, and a shaft is provided on the inner wall of the glass inner tube 2 There are 16 small triangular protrusions 3 in the direction, the height of the triangular small protrusions 3 is 0.3mm, and the width is 0.3mm; the others are the same as in Example 1.

Embodiment 3

[0015] Example 3: Another high-efficiency all-glass heat pipe, including a 70mm diameter glass outer tube 1, a 58mm diameter glass inner tube 2, the glass inner tube 2 has a tube wall thickness of 2.2 mm, and a shaft is also provided on the inner wall of the glass inner tube 2 There are 40 small triangular protrusions 3 in the direction, the height of the small triangular protrusions 3 is 1mm, and the width is 1mm. Others are the same as the embodiment 1.

[0016] Example 3: Another high-efficiency all-glass heat pipe, including a 150mm diameter glass outer tube 1, a 130mm diameter glass inner tube 2, the glass inner tube 2 has a tube wall thickness of 5mm, and an axial direction is provided on the inner wall of the glass inner tube 2 There are 70 small triangular protrusions 3, the height of the small triangular protrusions 3 is 5mm, and the width is 5mm; the others are the same as in Example 1.

[0017] The triangular small protrusions in the four embodiments of the present inven...

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Abstract

The invention discloses a high-efficiency full-glass heat tube comprising a glass outer tube and a glass inner tube, wherein an absorption coating is coated on the outer wall of the glass inner tube; the glass inner tube is evacuated and is provided with a heat-conducting medium; one end of the glass inner tube is a condensing end; and a plurality of small axial grooves or small protrusions are arranged on the inner wall of the glass inner tube. The invention has the advantages of simple structure and favorable heat-collecting effect; in addition, the energy conduction between the heat-conducting tube and a water tank is quick and the temperature in the water tank is higher.

Description

Technical field [0001] The invention relates to a vacuum heat collection tube, in particular to a high-efficiency all-glass heat tube. Background technique [0002] At present, with the lack of non-renewable energy, renewable energy sources such as solar energy are getting more and more attention. Therefore, solar water heaters have been widely used and popularized, and the vacuum heat collection tubes used in solar water heaters follow consumer demand. However, the existing vacuum collector tubes have better heat collection effect, which is often too high in cost and difficult to promote, and the cost is low, and the heat collection effect of the vacuum collector tubes is often poor, and the heat collection effect between the The heat energy conduction is slow and the temperature in the water tank is low. Summary of the invention [0003] The technical problem to be solved by the present invention is to provide a high-efficiency all-glass heat pipe with simple structure, good he...

Claims

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Application Information

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IPC IPC(8): F24J2/48
CPCY02E10/40
Inventor 董凤华
Owner 董凤华