CN205227854U - Bushing -type solar heat collecting tube - Google Patents
Bushing -type solar heat collecting tube Download PDFInfo
- Publication number
- CN205227854U CN205227854U CN201520976281.4U CN201520976281U CN205227854U CN 205227854 U CN205227854 U CN 205227854U CN 201520976281 U CN201520976281 U CN 201520976281U CN 205227854 U CN205227854 U CN 205227854U
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- CN
- China
- Prior art keywords
- metal outer
- outer tube
- outer pipe
- glass pipe
- glass tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Thermal Insulation (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses a bushing -type solar heat collecting tube, including the glass pipe the internally mounted of glass pipe has the metal outer tube, the internally mounted of metal outer tube has metal internal tube, the glass pipe passes through seal part with the metal outer tube and seals, the surface of metal outer tube is provided with the recess that corresponds with seal part, be provided with heat retaining unit spare between glass pipe and the metal outer tube, the glass pipe all is provided with the elastic ring with the blind end and the open end of metal outer tube. This bushing -type solar heat collecting tube device, the surface of metal outer tube scribbles sun selective absorbing coating, and it is better to absorb the solar radiation heat, and drop in temperature when making the operation of glass pipe simultaneously reduces the heat loss, and heat retaining unit spare has the thermal -insulated performance that keeps warm, can prevent gaseous outside flow the between glass pipe and the metal outer tube, prevents that the heat runs off, and the elastic ring can bear the stress of metal outer tube because of produced by heat altered shape, can avoid the fried phenomenon of splitting of glass pipe.
Description
Technical field
The utility model relates to solar energy technical field, is specially a kind of extension-type solar thermal-collecting tube.
Background technology
Traditional solar energy heat collection pipe is made up of glass inner tube and outer glass tube, glass tube inwall scribbles solar energy selective heat absorbing coating, reduce the effect of thermal-arrest, can not heat fast and effectively, well can not prevent the loss of heat, the efficiency of thermal-arrest is low, and the stress owing to being heated between glass tube easily bursts.
Utility model content
The purpose of this utility model is to provide a kind of extension-type solar thermal-collecting tube, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technical scheme: a kind of extension-type solar thermal-collecting tube, comprise glass tube, the inside of described glass tube is provided with metal outer pipe, the inside of described metal outer pipe is provided with metal inner pipe, described glass tube and metal outer pipe are sealed by seal member, the outer surface of described metal outer pipe is provided with the groove corresponding with seal member, described seal member is arranged in groove, heat preservation component is provided with between described glass tube and metal outer pipe, blind end and the openend of described glass tube and metal outer pipe are provided with elastic ring, wall outside described metal outer pipe and glass tube is provided with first medium and imports and exports, described metal inner pipe one end be positioned at outside metal outer pipe is provided with second medium and imports and exports.
Preferably, the outer surface rolling of described glass tube is wavy.
Preferably, the outer surface of described metal outer pipe scribbles solar selective absorbing coating.
Preferably, described seal member is set to square.
Preferably, vacuum pumping between described glass tube and metal outer pipe, forms vacuum interlayer.
Compared with prior art, the beneficial effects of the utility model are: this extension-type solar thermal-collecting tube device, the contact surface rolling of glass tube and the sun is wavy, increase collector area, make Heat-collecting effect better, the outer surface of metal outer pipe scribbles solar selective absorbing coating, absorb solar radiation heat better, when making glass tube run, temperature declines simultaneously, reduce heat loss, heat preservation component has the performance of insulation, can to stop between glass tube and metal outer pipe gas outwardly, seal member and heat preservation component are with the use of better preventing heat losses, elastic ring can bear the stress that metal outer pipe produces because of temperature distortion, glass tube can be avoided to burst phenomenon.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure: 1 glass tube, 2 metal outer pipe, 3 metal inner pipes, 4 elastic rings, 5 seal members, 6 grooves, 7 heat preservation components, 8 first mediums are imported and exported, 9 second mediums are imported and exported.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, the utility model provides a kind of technical scheme: a kind of extension-type solar thermal-collecting tube, comprise glass tube 1, glass tube 1 is wavy with the contact surface rolling of the sun, increase collector area, make Heat-collecting effect better, the inside of glass tube 1 is provided with metal outer pipe 2, vacuum pumping between glass tube 1 and metal outer pipe 2, form vacuum interlayer, the outer surface of metal outer pipe 2 scribbles solar selective absorbing coating, absorb solar radiation heat better, when making glass tube 1 run, temperature declines simultaneously, reduce heat loss, the inside of metal outer pipe 2 is provided with metal inner pipe 3, metal inner pipe 3 two ends are opening shape, glass tube 1 and metal outer pipe 2 are sealed by seal member 5, seal member 5 is set to square, the outer surface of metal outer pipe 2 is provided with the groove 6 corresponding with seal member 5, seal member 5 is arranged in groove 6, heat preservation component 7 is provided with between glass tube 1 and metal outer pipe 2, heat preservation component 7 has the performance of insulation, can to stop between glass tube 1 and metal outer pipe 2 gas outwardly, blind end and the openend of glass tube 1 and metal outer pipe 2 are provided with elastic ring 4, elastic ring 4 can bear the stress that metal outer pipe 2 produces because of temperature distortion, glass tube 1 can be avoided to burst phenomenon.
Operation principle: when the utility model uses, the wavy surface of glass tube 1 increases endotherm area, thermal-collecting tube absorbs the energy of the sun, and metal outer pipe 2 scribbles solar selective absorbing coating, and solar energy is changed into heat energy, pass to the medium be stored in thermal-collecting tube, the little density with cold water of the density of hot water, cold water sinks, and hot water rises, entered from metal outer pipe 2 by the medium heated, go out from metal inner pipe 3 after being heated.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (6)
1. an extension-type solar thermal-collecting tube, comprise glass tube (1), it is characterized in that: the inside of described glass tube (1) is provided with metal outer pipe (2), the inside of described metal outer pipe (2) is provided with metal inner pipe (3), described glass tube (1) and metal outer pipe (2) are sealed by seal member (5), the outer surface of described metal outer pipe (2) is provided with the groove (6) corresponding with seal member (5), described seal member (5) is arranged in groove (6), heat preservation component (7) is provided with between described glass tube (1) and metal outer pipe (2), blind end and the openend of described glass tube (1) and metal outer pipe (2) are provided with elastic ring (4), described metal outer pipe (2) and glass tube (1) wall are outward provided with first medium and import and export (8), described metal inner pipe (3) is positioned at metal outer pipe (2) one end outward and is provided with second medium import and export (9).
2. a kind of extension-type solar thermal-collecting tube according to claim 1, is characterized in that: the outer surface rolling of described glass tube (1) is wavy.
3. a kind of extension-type solar thermal-collecting tube according to claim 1, is characterized in that: described metal inner pipe (3) two ends are opening shape.
4. a kind of extension-type solar thermal-collecting tube according to claim 1, is characterized in that: the outer surface of described metal outer pipe (2) scribbles solar selective absorbing coating.
5. a kind of extension-type solar thermal-collecting tube according to claim 1, is characterized in that: described seal member (5) is set to square.
6. a kind of extension-type solar thermal-collecting tube according to claim 1, is characterized in that: vacuum pumping between described glass tube (1) and metal outer pipe (2), forms vacuum interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520976281.4U CN205227854U (en) | 2015-11-30 | 2015-11-30 | Bushing -type solar heat collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520976281.4U CN205227854U (en) | 2015-11-30 | 2015-11-30 | Bushing -type solar heat collecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205227854U true CN205227854U (en) | 2016-05-11 |
Family
ID=55902912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520976281.4U Active CN205227854U (en) | 2015-11-30 | 2015-11-30 | Bushing -type solar heat collecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205227854U (en) |
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2015
- 2015-11-30 CN CN201520976281.4U patent/CN205227854U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |