CN201037701Y - Solar energy vacuum heat-collecting tube - Google Patents
Solar energy vacuum heat-collecting tube Download PDFInfo
- Publication number
- CN201037701Y CN201037701Y CNU2007200050063U CN200720005006U CN201037701Y CN 201037701 Y CN201037701 Y CN 201037701Y CN U2007200050063 U CNU2007200050063 U CN U2007200050063U CN 200720005006 U CN200720005006 U CN 200720005006U CN 201037701 Y CN201037701 Y CN 201037701Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- glass
- vacuum heat
- glass tube
- inner pipe
- 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 - Lifetime
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Classifications
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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)
Abstract
The utility model discloses a solar-energy vacuum heat collecting pipe, comprising an inner metal pipe and a glass pipe; the inner metal pipe is covered in the glass pipe, and the two ends of the inner metal pipe are in sealed connection; a metal corrugated pipe and a glass transition pipe which are used to connect the glass pipe with the inner metal pipe are arranged at the connection position of the inner metal pipe and the glass pipe, so a sealed vacuum space is formed. The heat absorption part is formed by plating a layer of high-temperature resistance selecting absorption coating. The utility model integrates the advantages of a glass pipe and a metal pipe, and is of high temperature resistance and high pressure resistance; the operation temperature can reach 600-800 DEG C, and can sustain an in-tube work pressure of 0.1-2MPa, meanwhile, the utility model is of wide application field, and can be conveniently connected with other devices or pipes.
Description
Technical field
The utility model relates to a kind of device that utilizes solar energy heating, relates in particular to a kind of solar energy heat collection pipe.
Background technology
Along with the raising of development of science and technology and people's environmental consciousness, people are more and more general to the utilization of solar energy.At present, Chang Yong solar energy heat collector is mainly by solar energy heat collection pipe.The solar energy heat collection pipe that occurs on the market mainly contains all-glass vacuum thermal-collecting tube, two kinds of forms of heat pipe one glass combined type thermal-collecting tube of using under the normal temperature.For all-glass vacuum thermal-collecting tube and heat pipe-glass combined type thermal-collecting tube, because the restriction and the coating technology of glass material itself can't be operated under the state of high temperature, high pressure, the maximum operation (service) temperature of heat sink is 400 ℃～450 ℃.Generally all use in hot-water heating system, the output medium temperature is low, thereby has greatly limited the range of application of solar energy.
Summary of the invention
The purpose of this utility model provides a kind of high temperature resistant, high pressure, and the solar vacuum heat-collecting pipe of applied range.
The purpose of this utility model is achieved through the following technical solutions:
Solar vacuum heat-collecting pipe of the present utility model, it comprises metal inner pipe, glass tube, and described metal inner pipe is inserted among the glass tube, and the end and the metal inner pipe of glass tube are tightly connected, and form closed cavity between metal inner pipe and the glass tube.
The junction of described metal inner pipe and glass tube is provided with metal bellows.
Be provided with the glass metal transition conduit between described metal bellows and the glass tube.
Described glass metal transition conduit comprises compound glass and multiple layer metal, and described compound glass and multiple layer metal space are arranged, and sealed compressed together.
Described glass tube is provided with bleeding point, is vacuum in the described closed cavity.
Be provided with long-acting getter in the described closed cavity.
Scribble ARC on the described glass tube.
Scribble high temperature resistant absorber coatings on the described metal inner pipe.
Described metal inner pipe is provided with temperature transducer.
The two ends of described metal inner pipe are respectively equipped with adpting flange.
The technical scheme that is provided by above-mentioned the utility model as can be seen, solar vacuum heat-collecting pipe described in the utility model, owing to comprise metal inner pipe, glass tube, metal inner pipe is inserted among the glass tube, the end and the metal inner pipe of glass tube are tightly connected, and form closed cavity between metal inner pipe and the glass tube.The advantage that integrates glass tube and metal tube, high temperature resistant, high pressure, and applied range.
Description of drawings
Fig. 1 is the structural representation of the utility model solar vacuum heat-collecting pipe.
The specific embodiment
The preferable specific embodiment of solar vacuum heat-collecting pipe of the present utility model as shown in Figure 1, comprise metal inner pipe 1, glass tube 4, described metal inner pipe 1 is inserted among the glass tube 4, and the end of glass tube 4 and metal inner pipe 1 are tightly connected, and forms closed cavity 11 between metal inner pipe 1 and the glass tube 4.
Wherein, metal inner pipe 1 can bear 600 ℃～800 ℃ high temperature, and can bear the thermal-arrest medium of the pressure of 0.1～2MPa, applied range.Preferably adopt the metal material manufacturing of corrosion-resistant, high thermal conductance and high life.
During use, the thermal-arrest medium flows in metal inner pipe 1, sunshine sees through glass tube 4 and shines on the metal inner pipe 1, metal inner pipe 1 absorbs solar energy and is converted into heat energy, pass to the thermal-arrest medium, glass tube 4 plays insulation effect with closed cavity 11, plays effective insulation effect in order to make closed cavity 11, is preferably vacuum in the closed cavity 11.Be preferably in glass tube 4 and be provided with bleeding point 9, be used to take away closed cavity 11 gas inside, after the end of bleeding, be these bleeding point 9 sealings.
To keep higher vacuum in the closed cavity 11 in order making, to reduce the atmospheric density in the closed cavity 11, reduce the convection current heat waste, preferably be provided with long-acting getter 6 in the closed cavity 11.Can be fixed on the metal tube, be mainly used to absorb the thermal-collecting tube gas inside.
Described metal inner pipe 1 is provided with metal bellows 2 with the junction of glass tube 4, is welded on the metal inner pipe 1, utilizes its seal and scalability, keeps the vacuum in the closed cavity 11 and offsets part because the stress that expands with heat and contract with cold and produce.
Be provided with glass metal transition conduit 3 between described metal bellows 2 and the glass tube 4.Glass metal transition conduit 3 comprises compound glass and multiple layer metal, and described compound glass and multiple layer metal space are arranged, and sealed compressed together.Preferably form, seal with metal bellows 2 and glass tube 4 by multilayer transitional glass and kovar alloy.Main effect is the coupling welding transition that realizes glass and metal, and guarantees the seal of thermal-collecting tube, and this kind transient mode can strengthen the bond strength of metal-glass, improves the service life and the security of this thermal-collecting tube greatly.
Preferably scribble ARC 5 on the glass tube 4, this coating is coated with and is plated on the glass tube 4, and main effect is to reduce the reflectivity of solar energy to improve transmitance, improves collecting efficiency.
Preferably scribble high temperature resistant absorber coatings 7 on the metal inner pipe 1, the high-temperature-resistant selective absorber coatings is coated with and is plated on the metal inner pipe 1, the maximum operating temperature of coating far above existing coating serviceability temperature, can make the thermal-arrest medium produce higher temperature at 600 ℃～800 ℃.
Preferably also be provided with temperature transducer 8 on the metal inner pipe 1.Be fixed on the surface of metal inner pipe 1, be used to measure the temperature of thermal-arrest medium in the metal inner pipe 1.
The two ends of metal inner pipe 1 are respectively equipped with adpting flange 10, and convenience is connected with other equipment or pipeline.
The utility model is a kind of solar vacuum heat-collecting pipe of metal one glass composite construction, the advantage that integrates glass tube and metal tube, maximum operation (service) temperature can reach 600～800 ℃, and the interior operating pressure of the pipe that can bear 0.1～2MPa, applied range also can make things convenient for and being connected of other equipment or pipeline.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (10)
1. a solar vacuum heat-collecting pipe is characterized in that, it comprises metal inner pipe, glass tube, and described metal inner pipe is inserted among the glass tube, and the end and the metal inner pipe of glass tube are tightly connected, and form closed cavity between metal inner pipe and the glass tube.
2. solar vacuum heat-collecting pipe according to claim 1 is characterized in that the junction of described metal inner pipe and glass tube is provided with metal bellows.
3. solar vacuum heat-collecting pipe according to claim 2 is characterized in that, is provided with the glass metal transition conduit between described metal bellows and the glass tube.
4. solar vacuum heat-collecting pipe according to claim 3 is characterized in that, described glass metal transition conduit comprises compound glass and multiple layer metal, and described compound glass and multiple layer metal space are arranged, and sealed compressed together.
5. solar vacuum heat-collecting pipe according to claim 1 is characterized in that described glass tube is provided with bleeding point, is vacuum in the described closed cavity.
6. solar vacuum heat-collecting pipe according to claim 5 is characterized in that, is provided with long-acting getter in the described closed cavity.
7. according to each described solar vacuum heat-collecting pipe of claim 1 to 6, it is characterized in that, scribble ARC on the described glass tube.
8. according to each described solar vacuum heat-collecting pipe of claim 1 to 6, it is characterized in that, scribble high temperature resistant absorber coatings on the described metal inner pipe.
9. according to each described solar vacuum heat-collecting pipe of claim 1 to 6, it is characterized in that described metal inner pipe is provided with temperature transducer.
10. according to each described solar vacuum heat-collecting pipe of claim 1 to 6, it is characterized in that the two ends of described metal inner pipe are respectively equipped with adpting flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200050063U CN201037701Y (en) | 2006-04-05 | 2007-02-12 | Solar energy vacuum heat-collecting tube |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200620012036 | 2006-04-05 | ||
| CN200620012036.2 | 2006-04-05 | ||
| CNU2007200050063U CN201037701Y (en) | 2006-04-05 | 2007-02-12 | Solar energy vacuum heat-collecting tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201037701Y true CN201037701Y (en) | 2008-03-19 |
Family
ID=39210216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200050063U Expired - Lifetime CN201037701Y (en) | 2006-04-05 | 2007-02-12 | Solar energy vacuum heat-collecting tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201037701Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798184A (en) * | 2010-02-26 | 2010-08-11 | 北京天瑞星真空技术开发有限公司 | Sealing connection method of metal and glass of novel medium-high temperature solar energy heat collection pipe |
| CN102721215A (en) * | 2012-07-10 | 2012-10-10 | 朱雷 | Metal vacuum high-temperature heat collection pipe |
| CN103697611A (en) * | 2013-12-30 | 2014-04-02 | 南京诚远太阳能科技有限公司 | Vacuum light-condensing through high-temperature heat collecting pipe |
| CN108180643A (en) * | 2017-12-19 | 2018-06-19 | 海宁市华锋太阳能集热管有限公司 | It is a kind of can monitoring temperature solar energy heat collection pipe |
-
2007
- 2007-02-12 CN CNU2007200050063U patent/CN201037701Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798184A (en) * | 2010-02-26 | 2010-08-11 | 北京天瑞星真空技术开发有限公司 | Sealing connection method of metal and glass of novel medium-high temperature solar energy heat collection pipe |
| CN102721215A (en) * | 2012-07-10 | 2012-10-10 | 朱雷 | Metal vacuum high-temperature heat collection pipe |
| CN103697611A (en) * | 2013-12-30 | 2014-04-02 | 南京诚远太阳能科技有限公司 | Vacuum light-condensing through high-temperature heat collecting pipe |
| CN108180643A (en) * | 2017-12-19 | 2018-06-19 | 海宁市华锋太阳能集热管有限公司 | It is a kind of can monitoring temperature solar energy heat collection pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING KANGTUO SCIENCE +. TECHNOLOGY DEVELOPMENT Free format text: FORMER OWNER: BEIJING TIANRUIXING VACUUM TECHNOLOGY DEVELOPMENT CO.LTD Effective date: 20100909 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100029 NO.5, MINZUYUAN ROAD, CHAOYANG DISTRICT, BEIJING TO: 100190 NO.61, ZHICHUN ROAD, HAIDIAN DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100909 Address after: 100190 No. 61, Haidian District, Beijing, Zhichun Road Patentee after: Beijing Kangtuo Science &. Technology Development Corp. Address before: 100029 No. 5 National Garden Road, Beijing, Chaoyang District Patentee before: Beijing Tianruxing Vacuum Technology Development Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING TIANRUIXING VACUUM TECHNOLOGY DEVELOPMENT Free format text: FORMER OWNER: BEIJING KANGTUO SCIENCE +. TECHNOLOGY DEVELOPMENT CORP. Effective date: 20110210 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100190 NO.61, ZHICHUN ROAD, HAIDIAN DISTRICT, BEIJING TO: 100029 NO.5, MINZUYUAN ROAD, CHAOYANG DISTRICT, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110210 Address after: 100029 No. 5 National Garden Road, Beijing, Chaoyang District Patentee after: Beijing Tianruxing Vacuum Technology Development Co., Ltd. Address before: 100190 No. 61, Haidian District, Beijing, Zhichun Road Patentee before: Beijing Kangtuo Science &. Technology Development Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080319 |