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Load-bearing anti-freezing solar thermal collector tube

A solar collector tube and pressure-bearing technology, which is applied in the field of solar collector tubes, can solve the problems of all-glass vacuum collector tubes, such as exploding tubes and running water, and achieves the effects of easy on-site installation, safe use and simple structure

Inactive Publication Date: 2013-03-06
SHENYANG WANLIYUAN ENERGY CONSERVATION ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to solve the anti-freezing problem of metal heat exchange tubes while overcoming the problem that the existing stuffy solar heat collector tubes are prone to leaking water from the all-glass vacuum heat collector tubes, so as to improve the thermal efficiency of the system and the engineering installation. efficiency

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  • Load-bearing anti-freezing solar thermal collector tube
  • Load-bearing anti-freezing solar thermal collector tube
  • Load-bearing anti-freezing solar thermal collector tube

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specific Embodiment approach 1

[0029] Such as figure 1 , figure 2 , image 3 with Figure 4 As shown, the present invention includes an all-glass vacuum heat-collecting tube 7, and a metal heat-exchanging tube 5-1 with a length of 1400 mm to 1700 mm and a diameter of 15 mm to 25 mm is inserted in the middle of the all-glass vacuum heat-collecting tube 7 with an inner diameter of 47 mm, and a circlip 6 Fixing, the bottom end of the metal heat exchange tube 5-1 is welded to the antifreeze conical tube 10 for sealing, the quick connection nut 4 is welded at the top opening of the metal heat exchange tube 5-1, and the quick connection nut 4 is threaded with the The connecting pipe 3 of the collecting water tank connected to the collecting water tank; during use, the metal heat exchange tube 5-1 of the present invention is threadedly connected with the collecting water tank 2 through the connecting pipe 3 of the collecting water tank (if the collecting water tank 2 Unprocessed thread, the connection pipe 3 o...

specific Embodiment approach 2

[0031] Such as Figure 4 ~ Figure 7 As shown, the present invention includes an all-glass vacuum heat collecting tube 7, and inserts a metal heat exchange tube 5-1 with a length of 100 mm to 1300 mm and a diameter of 15 mm to 25 mm in the middle of the all glass vacuum heat collecting tube 7 with an inner diameter of 47 mm, and a metal heat exchange tube 5-1 with a circlip 6 Fixed, the bottom end of the metal heat exchange tube 5-1 is welded with an antifreeze conical tube 10 for sealing, and the upper end of the metal heat exchange tube 5-1 is welded with a length of 100 mm to 1600 mm, and the engineering diameter is the same as that of the metal heat exchange tube (5-1 1) Equal heat exchange bellows 5-2 (shorten the length of the metal heat exchange tube 5-1 accordingly to ensure that the length of the heat exchange tube is 1400mm ~ 1700mm), and set the quick connection nut 4 outside the heat exchange bellows 5-2, The top of the heat exchange corrugated pipe 5-2 is processed...

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Abstract

The invention relates to a load-bearing anti-freezing solar thermal collector tube, which overcomes the problems of the existing solar thermal collector tubes that a glass tube is liable to break and results in water loss of a system, or the glass tube has poor anti-freezing capacity and low heat transfer efficiency. The load-bearing anti-freezing solar thermal collector tube is characterized in that a metal heat exchange tube is inserted into the middle of an all-glass vacuum thermal collector tube, an anti-freezing tapered tube is welded at the bottom end of the metal heat exchange tube, a heat exchange corrugated tube is welded at the upper end of the metal heat exchange tube, a quick-connecting nut is sleeved outside the heat exchange corrugated tube, and a thermal collector water tank connecting tube is connected with the inside of the quick-connecting nut. The invention has the beneficial effects that the structure is simple, the production cost is low, the system can bear load for operation; because the all-glass vacuum thermal collector tube does not contain water, the system can be solarized when emptied and can be filled with water at any time without causing tube breaking; because the anti-freezing tapered tube is welded at the bottom end of the metal heat exchange tube, the anti-freezing capacity is strong, power consumption anti-freezing measures for the system can be saved in winter, so that the solar water heating system is lower in cost, safer in use and more energy-saving; and because the heat exchange corrugated tube is welded at the upper end of the metal heat exchange tube, field installation is more convenient.

Description

technical field [0001] The invention belongs to the technical field of solar heat collecting tubes, in particular to a pressure-bearing antifreeze solar heat collecting tube. Background technique [0002] At present, the known smoldering solar collector tubes are generally all-glass vacuum solar collector tubes, which are composed of two concentric glass tubes, the inner and the outer, and have a selective absorbing coating with high absorptivity and low emissivity on the outside of the inner tube. The heat absorber is formed on the surface, and the inner and outer tube openings are ring-shaped and sealed, and a high vacuum is drawn between the inner and outer tube interlayers. It is shaped like a slender thermos bottle with a single end opening. The water tank of the solar water heater is assembled together in a direct plug-in type. The connection between the heat collecting tube and the water tank is sealed with a silicone sealing ring. When working, the water in the water...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24J2/46
CPCY02E10/40
Inventor 王永斌
Owner SHENYANG WANLIYUAN ENERGY CONSERVATION ENG CO LTD
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