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Tubular glass vacuum tube in scale-free anti-explosion tube

A technology of glass vacuum tubes and explosion-proof tubes, which is applied to solar collectors, solar thermal devices, lighting and heating equipment that use working fluids, and can solve problems such as easy bursting, and achieve fast thermal start, high energy efficiency, and smooth flow Effect

Inactive Publication Date: 2012-05-23
扬州日利达有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiencies of the existing tube-in-tube glass vacuum tubes that are easy to scale and burst when they are poured into cold water, the present invention provides a tube-in-tube glass vacuum tube without scale and explosion-proof tube. The tube-in-tube glass vacuum tube has quick thermal start , high energy efficiency, no scale, explosion-proof

Method used

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  • Tubular glass vacuum tube in scale-free anti-explosion tube
  • Tubular glass vacuum tube in scale-free anti-explosion tube

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Embodiment Construction

[0010] exist figure 1 In the non-scaling explosion-proof tube, the tubular glass vacuum tube includes an inner glass tube 2 and an outer glass tube 1. There is a low-pressure vacuum layer 3 between the outer glass tube 1 and the inner glass tube 2. The outer surface of the inner glass tube 2 is coated with heat-absorbing One end of the inner glass tube 2 and the outer glass tube 1 is respectively sealed to form a free end, the other end of the inner glass tube 2 and the outer glass tube 1 is sealed to form an open end, and a hollow glass core 4 is arranged in the inner glass tube 2 , the distances between the cavity glass core 4 and the open end and the free end are not less than five centimeters, and a support frame 5 is provided between both ends of the cavity glass core 4 and the inner glass tube 2 .

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Abstract

The invention relates to a tubular glass vacuum tube in a scale-free anti-explosion tube. A hollow glass tube core is arranged in the inner glass of the double-layer glass vacuum tube. The distances from the hollow glass tube core to two ends of the inner glass tube are not less than 5 cm respectively. A support frame is respectively arranged between one end of the hollow glass tube core and the inner glass tube and between the other end of the hollow glass tube core and the inner glass tube. Because larger clearances exist from the hollow glass tube core to the two ends of the inner glass tube, scale in the tube is easy to bring away by a rapid flowing water flow; furthermore, in the event of feeding cold water, the cold water cannot be in contact with two ends of the hollow glass tube core during a short time, thus, the hollow glass tube core cannot be exploded.

Description

technical field [0001] The invention relates to a glass vacuum tube of a heat-collecting part of a solar water heater, in particular to a tube-in-tube glass vacuum tube with fast thermal start, no scale, and explosion-proof. Background technique [0002] At present, the structure of the existing tube-in-tube glass vacuum tube is that a hollow glass tube core is welded in the inner glass tube of the existing double-layer glass vacuum tube. Due to the narrow space in the tube, a large amount of scale is accumulated in the tube, and the top of the hollow glass tube core is easy to burst when the solar water heater is cold water. Contents of the invention [0003] In order to overcome the deficiencies of the existing tube-in-tube glass vacuum tubes that are easy to scale and burst when they are poured into cold water, the present invention provides a tube-in-tube glass vacuum tube without scale and explosion-proof tube. The tube-in-tube glass vacuum tube has quick thermal star...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24J2/05F24J2/46F24J2/50F24S10/40
CPCY02E10/44F24S10/45
Inventor 陈跃跃王惠余
Owner 扬州日利达有限公司
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