CN202581904U - High-emissivity anti-stagnation evacuated finned plate collector tube - Google Patents
High-emissivity anti-stagnation evacuated finned plate collector tube Download PDFInfo
- Publication number
- CN202581904U CN202581904U CN 201220231642 CN201220231642U CN202581904U CN 202581904 U CN202581904 U CN 202581904U CN 201220231642 CN201220231642 CN 201220231642 CN 201220231642 U CN201220231642 U CN 201220231642U CN 202581904 U CN202581904 U CN 202581904U
- Authority
- CN
- China
- Prior art keywords
- glass tube
- wing plate
- finned plate
- tube
- inner glass
- 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.)
- Expired - Fee Related
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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
Abstract
The utility model discloses a high-emissivity anti-stagnation evacuated finned plate collector tube. A finned plate manufactured by a metal sheet is in low-thermal resistance connection with an inner glass tube of an evacuated collector tube manufactured by the concentrical packaging of the inner glass tube and a cover glass tube. A membrane layer is deposited on the front surface of the metal finned plate, and is not deposited on the back surface of the metal finned plate. The collector tube has the advantages that the membrane layer is not deposited on the back surface of the metal finned plate of the evacuated finned plate collector tube, and the stagnation temperature of a heat collection element can be greatly reduced by utilizing own high emissivity of the metal finned plate.
Description
Technical field
The utility model relates to the anti-empty vacuum wing plate thermal-collecting tube that shines of high emissivity.
Background technology
Existing all-glass vacuum thermal-collecting tube; The heat collector tube pipe that comprises heat pipe and the integrated making of inner glass tube; Have high absorptivity and extremely low emissivity, when obtaining gratifying solar collecting performance and heat-collecting temperature, the empty temperature of shining is reached more than 230 ℃.High like this sky shines the too high danger of heat-pipe working medium vapour pressure that temperature is brought integrated making.
Summary of the invention
The purpose of the utility model is to provide high emissivity the anti-empty vacuum wing plate thermal-collecting tube that shines.
The utility model solves the technical scheme that its technical problem is taked: through on the inner glass tube of a vacuum heat collection pipe that concentric sealing-in is made by inner glass tube and cover glass tube; Low thermal resistance connects the wing plate that a sheet metal is made; Process the anti-empty vacuum wing plate thermal-collecting tube that shines of a high emissivity; The front of said metal wing plate, i.e. side to light depositional coating; The back side of said metal wing plate, promptly non-side to light is depositional coating not.
Can also adopt glass heat pipe with the integrated making of inner glass tube.
Can also make the inner glass tube two ends all melt envelope and be connected, form the straight-through vacuum heat collection pipe of an inner glass tube with cover glass tube.
The beneficial effect of the utility model: the back side that makes said vacuum wing plate thermal-collecting tube metal wing plate is depositional coating not, can utilize the higher emissivity of metal wing plate itself, and the sky that reduces heat collecting element significantly shines temperature.When using water as heat-pipe working medium, the empty temperature of shining is when being 160 ℃, and vapour pressure is 6 atmospheric pressure, reduces closely 4/5ths than empty 29 atmospheric pressure nearly that shine 230 ℃ of temperature originally, and the anti-empty solarization ability of said vacuum wing plate thermal-collecting tube is significantly strengthened.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the anti-empty composite construction sketch map that shines vacuum wing plate thermal-collecting tube of a high emissivity.
1. inner glass tubes among the figure; 2. cover glass tube; 3. wing plate; 4. cold junction.
The specific embodiment
Fig. 1 provides an embodiment of the utility model.
Among Fig. 1, through on an inner glass tube 1 by the vacuum heat collection pipe of inner glass tube 1 and cover glass tube 2 concentric sealing-ins manufacturings, low thermal resistance connects the wing plate 3 that a sheet metal is made, and processes the anti-empty solarization vacuum wing plate thermal-collecting tube of a high emissivity.The front depositional coating of wing plate 3; The back side of wing plate 3 is depositional coating not.And the glass heat pipe of employing and inner glass tube 1 integrated making.
The operation principle of Fig. 1 embodiment: sunlight passes cover glass tube 2 and on wing plate 3 front retes, converts heat energy into, and these heat energy are the working medium and 4 outputs of heat pipe cold junction of inner glass tube 1, inside heat pipe through wing plate 3, heat pipe hot junction.During normal thermal-arrest, through wing plate 3 back sides not the heat energy of depositional coating radiation seldom can ignore.During empty the solarization, wing plate 3 back sides not depositional coating surface temperature are very high, and at this moment, the heat energy of the not depositional coating area radiation through having higher emissivity increases, thereby has limited the excessive rising of empty solarization temperature, makes the steam pressure of inside heat pipe be unlikely to too high.
At the rete of depositional coating area deposition high emissivity not, also can obtain the empty effect of shining temperature of similar reduction.
Claims (3)
1. the anti-sky of high emissivity shines vacuum wing plate thermal-collecting tube; Through on the inner glass tube of a vacuum heat collection pipe that concentric sealing-in is made by inner glass tube and cover glass tube; Low thermal resistance connects the wing plate of a sheet metal making to be processed, and it is characterized in that the front depositional coating of said metal wing plate; The back side of said metal wing plate is depositional coating not.
2. the anti-empty vacuum wing plate thermal-collecting tube that shines of high emissivity according to claim 1 is characterized in that containing the glass heat pipe with the integrated making of inner glass tube.
3. the anti-empty vacuum wing plate thermal-collecting tube that shines of high emissivity according to claim 1 is characterized in that the inner glass tube two ends all melt to seal with cover glass tube to be connected, and forms the vacuum heat collection pipe that an inner glass tube leads directly to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220231642 CN202581904U (en) | 2012-05-18 | 2012-05-18 | High-emissivity anti-stagnation evacuated finned plate collector tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220231642 CN202581904U (en) | 2012-05-18 | 2012-05-18 | High-emissivity anti-stagnation evacuated finned plate collector tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202581904U true CN202581904U (en) | 2012-12-05 |
Family
ID=47251308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220231642 Expired - Fee Related CN202581904U (en) | 2012-05-18 | 2012-05-18 | High-emissivity anti-stagnation evacuated finned plate collector tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202581904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423897A (en) * | 2012-05-18 | 2013-12-04 | 徐秀萍 | High-emissivity anti-idle-sunning vacuum fin-plate heat connecting tube |
-
2012
- 2012-05-18 CN CN 201220231642 patent/CN202581904U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423897A (en) * | 2012-05-18 | 2013-12-04 | 徐秀萍 | High-emissivity anti-idle-sunning vacuum fin-plate heat connecting tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140518 |