CN106958954A - A kind of solar energy high-temperature heat collection pipe with reflective insulation cover and support frame - Google Patents
A kind of solar energy high-temperature heat collection pipe with reflective insulation cover and support frame Download PDFInfo
- Publication number
- CN106958954A CN106958954A CN201610011063.6A CN201610011063A CN106958954A CN 106958954 A CN106958954 A CN 106958954A CN 201610011063 A CN201610011063 A CN 201610011063A CN 106958954 A CN106958954 A CN 106958954A
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- Prior art keywords
- heat absorption
- reflecting element
- tube
- metal heat
- reflective insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention discloses a kind of high temperature solar collector pipe with reflective insulation cover and support frame, including：Glass tube with vacuum；Metal heat absorption tube, in glass tube with vacuum, has annulus between metal heat absorption tube and glass tube with vacuum；Reflecting element, in a tubular form, a side opening of reflecting element, interval setting between reflecting element and glass tube with vacuum and between reflecting element and heat sink metal pipe；The connection component of some connection metal heat absorption tubes and reflecting element, each connection component includes at least two support frames.Reflecting element plays the function of reflection heat, simultaneously, because reflecting element and metal heat absorption tube interval setting, in glass tube with vacuum and the metal heat absorption tube that is not directly contacted with the condition of high temperature, so reflecting element relative temperature is relatively low, it will not deform upon, reflecting element is connected integral by the present invention by connection component with metal heat absorption tube, the anti-soft of metal heat absorption tube is added, can prevent that metal heat absorption tube from softening and because of gravity-bending deformation at high operating temperatures.
Description
Technical field
Field is utilized the present invention relates to solar power generation and high temperature solar energy collecting, in particular it relates to a kind of high-temperature solar thermal-collecting tube with reflective insulation cover and support frame.
Background technology
Solar energy thermal-power-generating technology, which is not present, consumes the problems such as a large amount of fossil energies and environmental pollution, is a kind of cleaning and sustainable generation technology.Solar energy thermal-power-generating technology is provided with light collecting heat collector based on energy, is broadly divided into parabolic trough type, the tower and class of butterfly three.Comparatively, parabolic trough type solar energy thermal-power-generating technology is more ripe, has been commercialized power station operation.
Parabolic trough type solar heat power generation system includes groove type paraboloid investigation on several focus reflectors, metallic support and for the solar energy high-temperature heat collection pipe for the solar energy for collecting the reflection of groove profile parabolic concentrator reflector；The groove type paraboloid investigation on several focus reflectors and solar energy high-temperature heat collection pipe are mounted on metallic support.But existing solar energy high-temperature heat collection pipe is inadequate using only vacuum heat-preserving mode.The metal heat absorption tube of solar energy high-temperature heat collection pipe produces very high temperature after the solar energy of high power concentrator is absorbed, but simultaneously also in external radiations heat energy.Temperature is higher, and it is also more that the heat that metal heat absorption tube radiation is produced is escaped.And metal heat absorption tube is at high operating temperatures because heated inequality easily bends.Therefore a kind of solar energy high-temperature heat collection pipe with reflective insulation cover and support frame is developed, and it is applied to parabolic trough type solar heat power generation system as current urgent problem.
The content of the invention
It is an object of the invention to provide a kind of solar energy vacuum tube that can overcome above mentioned problem and parabolic trough type solar heat power generation system.
For up to this purpose, the present invention uses following technical scheme：
A kind of high-temperature solar thermal-collecting tube with reflective insulation cover and support frame, including：
Glass tube with vacuum；
Metal heat absorption tube, heat can circulate in the metal heat absorption tube, and the metal heat absorption tube is located in the glass tube with vacuum, have annulus between the metal heat absorption tube and the glass tube with vacuum, the outer surface of the metal heat absorption tube is coated with heat-sink shell；
Reflecting element, for heat to be reflexed into the metal heat absorption tube, in a tubular form, a side opening of the reflecting element has interval to the reflecting element between the reflecting element and the glass tube with vacuum and between the reflecting element and the middle part metal tube；
Some connection components for connecting the metal heat absorption tube and the reflecting element, axis direction interval setting of the connection component along the metal heat absorption tube, each connection component includes at least two support frames.
In a wherein embodiment, the reflecting element is made up of at least one reflective insulation cover.
In a wherein embodiment, the reflecting element is made up of at least two reflective insulation covers；Interval setting between the reflective insulation cover；The reflective insulation cover is connected by support frame as described above with the metal heat absorption tube.
In a wherein embodiment, the camber line angle of the cross section of the reflective insulation cover is between 120 ° -300 °.
In a wherein embodiment, the camber line angle of the cross section of the reflective insulation cover is between 150 ° -240 °.
In a wherein embodiment, the position of the vacuum glass inside pipe wall correspondence reflecting element is provided with heat-reflecting layer.
In a wherein embodiment, some and concentric annular groove of the steel pipe is provided with the heat-sink shell, axis direction of the annular groove along the steel pipe is set at equal intervals.
In a wherein embodiment, the metal heat absorption tube is stainless steel tube.
Prior art is contrasted, beneficial effects of the present invention are：Reflecting element mainly plays the function of reflection heat, meanwhile, because reflecting element and metal heat absorption tube interval setting, in glass tube with vacuum and the metal heat absorption tube that is not directly contacted with the condition of high temperature, so reflecting element relative temperature is relatively low, it will not deform upon.Reflecting element is connected integral by the present invention by connection component with metal heat absorption tube, adds the anti-soft of metal heat absorption tube, can prevent metal heat absorption tube from softening at high operating temperatures and being occured bending and deformation because of gravity or heated inequality.
Brief description of the drawings
The present invention is described in further detail below according to drawings and Examples.
Fig. 1 is a kind of structural representation of high temperature solar collector pipe with reflective insulation cover and support frame described in the embodiment of the present invention.
In figure：
10th, solar energy high-temperature heat collection pipe；20th, glass tube with vacuum；21st, heat-reflecting layer；30th, metal heat absorption tube；31st, heat-sink shell；40th, reflecting element；41st, reflective insulation cover；50th, support frame；60th, metallic support；70th, groove type paraboloid investigation on several focus reflectors.
Embodiment
Further illustrate technical scheme below in conjunction with the accompanying drawings and by embodiment.
As shown in Figure 1, present embodiment discloses a kind of solar energy high-temperature heat collection pipe 10, it includes the connection component of glass tube with vacuum 20, the metal heat absorption tube 30 in glass tube with vacuum 20, the reflecting element 40 between glass tube with vacuum 20 and metal heat absorption tube 30 and some connection metal heat absorption tubes 30 and reflecting element 40；There is toroidal cavity between metal heat absorption tube 30 and glass tube with vacuum 20；Metal heat absorption tube 30 is used to allow heat to circulate in it；Reflecting element 40 is used to heat reflexing to metal heat absorption tube 30, reflecting element 40 is in a tubular form, one side opening of reflecting element 40, so that the heat focused on enters and all projected on endothermic tube 30, interval setting between reflecting element 40 and glass tube with vacuum 20 and between reflecting element 40 and metal heat absorption tube 30；Axis direction interval setting of the connection component along metal heat absorption tube 30, each connection component includes at least two support frames 50.
Reflecting element 40 mainly plays the function of reflection heat, meanwhile, because reflecting element 40 and the interval setting of metal heat absorption tube 30, in the metal heat absorption tube 30 that glass tube with vacuum 20 is interior and is not directly contacted with the condition of high temperature, so the relative temperature of reflecting element 40 is relatively low, it will not deform upon.Reflecting element 40 is connected integral with metal heat absorption tube 30 by connection component, the anti-soft of metal heat absorption tube 30 is added, can prevent that metal heat absorption tube 30 from softening and because gravity or heated inequality occur bending and deformation at high operating temperatures.
Reflecting element 40 is made up of at least one reflective insulation cover 41, it is preferred that reflecting element 40 is made up of at least two reflective insulation covers 41；It is set in distance between reflective insulation cover 41, reflective insulation cover 41 is connected by support frame 50 with metal heat absorption tube 30.By that by interval setting between reflective insulation cover 41, can prevent that heat transfer occurs because contacting with each other between reflective insulation cover 41, the heat reflection efficiency of reflecting element 40 is improved.And the heat that the repetition superposition of multiple reflective insulation covers 41 can produce the radiation of metal heat absorption tube 30 is more reflected back metal heat-generating pipe.In the present embodiment, reflecting element 40 is made up of two reflective insulation covers 41, accordingly, each connection component includes three support frames 50, one of support frame 50 connects reflective insulation cover 41 of the metal heat absorption tube 30 close to metal heat absorption tube 30, and two other support frame 50 is all connected with metal heat absorption tube 30 and two reflective insulation covers 41.In other embodiments, the quantity of support frame 50, the quantity of reflective insulation cover 41 and support frame 50 are connected with which reflective insulation cover 41 and determined according to the concrete condition of solar energy high-temperature heat collection pipe 10.
The camber line angle of the cross section of reflective insulation cover 41 is between 120 ° -300 °.By set reflective insulation cover 41 cross section camber line angle between 120 ° -300 °, may be such that the heat of focusing is largely reflected onto endothermic tube, reduce high temperature heat loss.Further, the camber line angle of the cross section of reflective insulation cover 41 is between 150 ° -240 °.In the present embodiment, the camber line angle of the cross section of reflective insulation cover 41 is 220 °.
The position of the inwall correspondence reflecting element 40 of glass tube with vacuum 20 is provided with heat-reflecting layer 21.Heat-reflecting layer 21 is set by the position of the inwall correspondence reflecting element 40 in glass tube with vacuum 20 so that the heat that metal heat absorption tube 30 is radiate can be more reflected back toward on metal heat absorption tube 30, so that the heat leakage of metal heat absorption tube 30 is further reduced.
In the present embodiment, metal heat absorption tube 30 is stainless steel tube.Stainless steel can be attached by welding, therefore it is easy to ensure that the airtight conditions of connecting portion.In addition, stainless steel tube corrosion resistance, excellent strength, use in various fields, easily start with, and it is also favourable for cost.Therefore, it is stainless steel tube by setting metal heat absorption tube 30, results in above-mentioned advantage.Certainly, metal heat absorption tube of the invention is not limited only to stainless steel tube, and the metal tube that the good material of other heat absorptivities is made is also applied for the present invention.
In order to increase the heat absorption speed of metal heat absorption tube 30, in other embodiments, some and concentric annular groove of metal heat absorption tube 30 can be also set on heat-sink shell 31, axis direction of the annular groove along metal heat absorption tube 30 is set at equal intervals.By setting some annular grooves on heat-sink shell 31, the endotherm area of heat-sink shell 31 is increased so that the heat absorption speed of metal heat absorption tube 30 is also rapid therewith to be improved.
In other embodiments, in order that heat reflection part 40 is not rocked in glass tube with vacuum, it can be connected with the two ends of the spaced reflective insulation cover 41 of glass tube with vacuum 20 by stainless steel screw with metal heat absorption tube, stainless steel screw is easy to dismounting of the reflecting element 40 in glass tube with vacuum 20.
The know-why of the present invention is described above in association with specific embodiment.The description is merely to explain the principles of the invention, and can not be construed to limiting the scope of the invention in any way.Based on explanation herein, those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present invention, and these modes are fallen within protection scope of the present invention.
Claims (8)
1. a kind of high-temperature solar thermal-collecting tube with reflective insulation cover and support frame, it is characterised in that including：
Glass tube with vacuum；
Metal heat absorption tube, heat can circulate in the metal heat absorption tube, and the metal heat absorption tube is located in the glass tube with vacuum, have annulus between the metal heat absorption tube and the glass tube with vacuum, the outer surface of the metal heat absorption tube is coated with heat-sink shell；
Reflecting element, for heat to be reflexed into the metal heat absorption tube, in a tubular form, a side opening of the reflecting element has interval to the reflecting element between the reflecting element and the glass tube with vacuum and between the reflecting element and the middle part metal tube；
Some connection components for connecting the metal heat absorption tube and the reflecting element, axis direction interval setting of the connection component along the metal heat absorption tube, each connection component includes at least two support frames.
2. the high-temperature solar thermal-collecting tube according to claim 1 with reflective insulation cover and support frame, it is characterised in that the reflecting element is made up of at least one reflective insulation cover.
3. the high-temperature solar thermal-collecting tube according to claim 2 with reflective insulation cover and support frame, it is characterised in that the reflecting element is made up of at least two reflective insulation covers；Interval setting between the reflective insulation cover；The reflective insulation cover is connected by support frame as described above with the metal heat absorption tube.
4. the high-temperature solar thermal-collecting tube according to claim 3 with reflective insulation cover and support frame, it is characterised in that the camber line angle of the cross section of the reflective insulation cover is between 120 ° -300 °.
5. the high-temperature solar thermal-collecting tube according to claim 4 with reflective insulation cover and support frame, it is characterised in that the camber line angle of the cross section of the reflective insulation cover is between 150 ° -240 °.
6. the high-temperature solar thermal-collecting tube according to claim 1 with reflective insulation cover and support frame, it is characterised in that the position of the inwall correspondence reflecting element of the glass tube with vacuum is provided with heat-reflecting layer.
7. the high-temperature solar thermal-collecting tube according to claim 1 with reflective insulation cover and support frame, it is characterised in that some and concentric annular groove of the steel pipe is provided with the heat-sink shell, axis direction of the annular groove along the steel pipe is set at equal intervals.
8. the high-temperature solar thermal-collecting tube according to claim 1 with reflective insulation cover and support frame, it is characterised in that the metal heat absorption tube is stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610011063.6A CN106958954A (en) | 2016-01-10 | 2016-01-10 | A kind of solar energy high-temperature heat collection pipe with reflective insulation cover and support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610011063.6A CN106958954A (en) | 2016-01-10 | 2016-01-10 | A kind of solar energy high-temperature heat collection pipe with reflective insulation cover and support frame |
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| Publication Number | Publication Date |
|---|---|
| CN106958954A true CN106958954A (en) | 2017-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610011063.6A Pending CN106958954A (en) | 2016-01-10 | 2016-01-10 | A kind of solar energy high-temperature heat collection pipe with reflective insulation cover and support frame |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551168A (en) * | 2009-05-15 | 2009-10-07 | 南京工业大学 | Pressure type internal light-gathering heat pipe heat collector |
| CN101806504A (en) * | 2010-01-08 | 2010-08-18 | 广东工业大学 | Novel coupling type solar high-temperature heating pipe |
| CN103712345A (en) * | 2013-12-30 | 2014-04-09 | 南京诚远太阳能科技有限公司 | Heat collection device with condensation reflector tracking sunlight |
| CN103712357A (en) * | 2013-12-30 | 2014-04-09 | 南京诚远太阳能科技有限公司 | Heat pipe using solar energy to achieve vacuum light condensation |
| CN205606933U (en) * | 2016-01-10 | 2016-09-28 | 张正文 | Area reflection separates solar energy high temperature thermal -collecting tube of heat exchanger and support frame |
-
2016
- 2016-01-10 CN CN201610011063.6A patent/CN106958954A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101551168A (en) * | 2009-05-15 | 2009-10-07 | 南京工业大学 | Pressure type internal light-gathering heat pipe heat collector |
| CN101806504A (en) * | 2010-01-08 | 2010-08-18 | 广东工业大学 | Novel coupling type solar high-temperature heating pipe |
| CN103712345A (en) * | 2013-12-30 | 2014-04-09 | 南京诚远太阳能科技有限公司 | Heat collection device with condensation reflector tracking sunlight |
| CN103712357A (en) * | 2013-12-30 | 2014-04-09 | 南京诚远太阳能科技有限公司 | Heat pipe using solar energy to achieve vacuum light condensation |
| CN205606933U (en) * | 2016-01-10 | 2016-09-28 | 张正文 | Area reflection separates solar energy high temperature thermal -collecting tube of heat exchanger and support frame |
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| PB01 | Publication | ||
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Application publication date: 20170718 |