CN1743755A - Internal light-focusing vacuum solar heat collecting pipe - Google Patents
Internal light-focusing vacuum solar heat collecting pipe Download PDFInfo
- Publication number
- CN1743755A CN1743755A CNA2005100865981A CN200510086598A CN1743755A CN 1743755 A CN1743755 A CN 1743755A CN A2005100865981 A CNA2005100865981 A CN A2005100865981A CN 200510086598 A CN200510086598 A CN 200510086598A CN 1743755 A CN1743755 A CN 1743755A
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- tube
- endothermic tube
- collecting pipe
- heat collecting
- solar heat
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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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Abstract
An internal light focusing solar energy heat collecting pipe consisting of outer vacuum pipe made from light transmission material, heat absorbing pipe set along the axial of outer vacuum pipe, solar light reflection film or reflection board set in intermediate and lower part of vacuum pipe, said heat absorbing pipe made of metal material with at least heat absorbing fin in outer surface along axial, in use the heat conductive medium is quick heated then raising the availability to solar energy.
Description
Technical field
The present invention relates to a kind of internal focusing vacuum solar heat collecting pipe.
Background technology
Existing various vacuum solar heat-collecting pipe is to adopt glass material to make, and glass material is compared with metal material, its coefficient of heat conduction is less, cause the heat transfer efficiency of the vacuum solar heat-collecting pipe that existing various employing glass material makes lower thus, heat transfer medium programming rate in the endothermic tube is slower, booster also takes place easily, especially the thermal efficiency under the medium and high temperature operating mode is lower, be unfavorable for conversion of solar energy is used for the medium and high temperature thermal source, and then cause solar energy utilization rate is difficult to improve.
Summary of the invention
The purpose of this invention is to provide and a kind ofly conversion of solar energy can be used the internal focusing vacuum solar heat collecting pipe high for the medium and high temperature thermal source solar energy utilization rate.
Internal focusing vacuum solar heat collecting pipe of the present invention, comprise the outer vacuum tube that adopts light transmissive material to make, be provided with endothermic tube in the outer vacuum tube vertically, in in the described outer vacuum tube, lower surface is coated with the sunshine reflectance coating or is provided with reflector, described endothermic tube adopts metal material to make, and the outer surface of endothermic tube is provided with the heat absorption fin that at least one metal material is made vertically.
Internal focusing vacuum solar heat collecting pipe of the present invention, wherein said outer vacuum tube and described endothermic tube are the concentric setting, are coated with selective absorbing film at the outer surface of endothermic tube and described heat absorption fin.
Internal focusing vacuum solar heat collecting pipe of the present invention, the quantity of wherein said heat absorption fin are 3, and wherein 2 heat absorption fin along continuous straight runs are installed in left and right two sides of described endothermic tube symmetrically.Another heat absorption fin vertically is installed in the bottom of endothermic tube.
Internal focusing vacuum solar heat collecting pipe of the present invention, wherein said endothermic tube employing stainless steel or copper or aluminum or copper alloy or aluminium alloy are made, and described outer vacuum tube adopts the silicon boron glass to make.
Internal focusing vacuum solar heat collecting pipe of the present invention, wherein said endothermic tube are the heat pipe that vacuum tube one end inserts outside described, and its insertion end adopts welding or hot pressing envelope to link to each other.
Internal focusing vacuum solar heat collecting pipe of the present invention, wherein said endothermic tube are the coaxial copper pipe of the bilayer that vacuum tube one end inserts outside described, and its insertion end adopts welding or hot pressing envelope to link to each other.
Internal focusing vacuum solar heat collecting pipe of the present invention, wherein said endothermic tube is for the insertion of vacuum tube one end outside described, from the straight pipe that the other end passes, and its insertion end adopts welding or hot pressing envelope to link to each other respectively with traversing through end.
Internal focusing vacuum solar heat collecting pipe of the present invention, in in its outer vacuum tube, lower surface is coated with the sunshine reflectance coating or is provided with reflector, endothermic tube adopts metal material to make, and the outer surface of endothermic tube is provided with the heat absorption fin that at least one metal material is made vertically.In use; can make the heat transfer medium in the endothermic tube be rapidly heated; thereby improve solar energy utilization rate; especially be fit to conversion of solar energy is used for the medium and high temperature thermal source; can be used for production medium and high temperature steam, refrigeration, generating etc.; help energy-conservation and the protection environment, reduce owing to utilize traditional fossil energy pollution on the environment.
Below in conjunction with accompanying drawing internal focusing vacuum solar heat collecting pipe of the present invention is described further.
Description of drawings
Fig. 1 is the main pseudosection of the structural representation of a kind of embodiment of internal focusing vacuum solar heat collecting pipe of the present invention;
Fig. 2 is the side cutaway view of Fig. 1;
Fig. 3 is the main pseudosection of the structural representation of the another kind of embodiment of internal focusing vacuum solar heat collecting pipe of the present invention;
Fig. 4 is the side cutaway view of Fig. 3;
Fig. 5 is the main pseudosection of the structural representation of another embodiment of internal focusing vacuum solar heat collecting pipe of the present invention;
Fig. 6 is the side cutaway view of Fig. 5;
Fig. 7 is the main pseudosection of the structural representation of another embodiment of internal focusing vacuum solar heat collecting pipe of the present invention;
Fig. 8 is the side cutaway view of Fig. 7;
Fig. 9 is the main pseudosection of the structural representation of another embodiment of internal focusing vacuum solar heat collecting pipe of the present invention;
Figure 10 is the side cutaway view of Fig. 9;
Figure 11 is the main pseudosection of the structural representation of another embodiment of internal focusing vacuum solar heat collecting pipe of the present invention;
Figure 12 is the side cutaway view of Figure 11.
The specific embodiment
By Fig. 1, Fig. 2 and Fig. 3, Fig. 4 and Fig. 5, Fig. 6 as can be seen, internal focusing vacuum solar heat collecting pipe of the present invention, comprise the outer vacuum tube 1 that adopts the silicon boron glass to make, be provided with endothermic tube 2 vertically in the outer vacuum tube 1, outer vacuum tube 1 is the concentric setting with endothermic tube 2, outside in the vacuum tube 1 in, lower surface is coated with sunshine reflectance coating 3, sunshine reflectance coating 3 can reflex to sunshine on endothermic tube 2 and the heat absorption fin 5, endothermic tube 2 adopts metal material to make, the outer surface of endothermic tube 2 is provided with the heat absorption fin 5 that metal material is made vertically, outer surface at endothermic tube 2 and heat absorption fin 5 is coated with selective absorbing film, selective absorbing film can improve the absorption of 2 pairs of solar energy of endothermic tube, the quantity of heat absorption fin 5 is 3, and wherein 2 heat absorption fin 5 along continuous straight runs are installed in the left side of endothermic tube 2 symmetrically, right two sides.The quantity of heat absorption fin 5 also can be 1 or 2 or 4 or 5 or 6.
By Fig. 7, Fig. 8 and Fig. 9, Figure 10 and Figure 11, Figure 12 as can be seen, internal focusing vacuum solar heat collecting pipe of the present invention, comprise the outer vacuum tube 1 that adopts the silicon boron glass to make, be provided with endothermic tube 2 vertically in the outer vacuum tube 1, outer vacuum tube 1 is the concentric setting with endothermic tube 2, outside in the vacuum tube 1 in, lower surface is provided with reflector 4, reflector 4 can reflex to sunshine on endothermic tube 2 and the heat absorption fin 5, endothermic tube 2 adopts metal material to make, the outer surface of endothermic tube 2 is provided with the heat absorption fin 5 that metal material is made vertically, outer surface at endothermic tube 2 and heat absorption fin 5 is coated with selective absorbing film, selective absorbing film can improve the absorption of 2 pairs of solar energy of endothermic tube, the quantity of heat absorption fin 5 is 3, and wherein 2 heat absorption fin 5 along continuous straight runs are installed in the left side of endothermic tube 2 symmetrically, right two sides.The quantity of heat absorption fin 5 also can be 1 or 2 or 4 or 5 or 6.
Above-mentioned endothermic tube 2 employing stainless steels or copper or aluminum or copper alloy or aluminium alloy are made.
By Fig. 1 and Fig. 2 or Fig. 7 and Fig. 8 as can be seen, the endothermic tube 2 of internal focusing vacuum solar heat collecting pipe of the present invention can be the heat pipe structure that inserts from outer vacuum tube 1 one ends, and its insertion end adopts welding or hot pressing envelope to link to each other.In use, after endothermic tube 2 is arranged in the water of outer vacuum tube 1 part or heat-conducting mediums such as ammonia or freon and is heated, can heat be taken out of, heat be passed by heat exchanger (not drawing among the figure) by convection current.Because be the endothermic tube 2 that employing stainless steel or copper or aluminium or copper alloy or aluminum alloy materials are made, the temperature of the heat-conducting medium in the endothermic tube 2 can reach more than 200 ℃.
By Fig. 3 and Fig. 4 or Fig. 9 and Figure 10 as can be seen, the endothermic tube 2 of internal focusing vacuum solar heat collecting pipe of the present invention can be the coaxial copper pipe structure of the bilayer that inserts from outer vacuum tube 1 one ends for endothermic tube 2 also, and its insertion end adopts welding or hot pressing envelope to link to each other.In use, after endothermic tube 2 is positioned at the heat-conducting medium of outer vacuum tube 1 part ectomesoderm such as water and is heated, heat can be taken out of, heat be passed by heat exchanger (not drawing among the figure).Meanwhile, the water in the inner tube of endothermic tube 2 can flow into the outer layer segment of endothermic tube 2, and flows out in the back that is heated.Because be the endothermic tube 2 that employing stainless steel or copper or aluminium or copper alloy or aluminum alloy materials are made, the temperature of the heat-conducting medium in the endothermic tube 2 can reach more than 200 ℃.
By Fig. 5 and Fig. 6 or Figure 11 and Figure 12 as can be seen, the straight pipe structure that the endothermic tube 2 of internal focusing vacuum solar heat collecting pipe of the present invention also can insert, pass from the other end for vacuum tube 1 one ends from described outside for endothermic tube 2, its insertion end adopt welding or hot pressing to seal respectively with traversing through end to link to each other.In use, after the water that endothermic tube 2 is arranged in outer vacuum tube 1 part is heated, can flow out from an end of outer vacuum tube 1, and heat taken out of, meanwhile, the water that endothermic tube 2 is arranged in outer vacuum tube 1 other end also can flow into endothermic tube 2 and be positioned at outer vacuum tube 1 part, and flows out in the back that is heated.Because be the endothermic tube 2 that employing stainless steel or copper or aluminium or copper alloy or aluminum alloy materials are made, the temperature of the heat-conducting medium in the endothermic tube 2 can reach more than 200 ℃.
Embodiment recited above is described preferred implementation of the present invention; be not that design of the present invention and scope are limited; do not breaking away under the design concept prerequisite of the present invention; common engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
Claims (7)
1. internal focusing vacuum solar heat collecting pipe, comprise the outer vacuum tube (1) that adopts light transmissive material to make, be provided with endothermic tube (2) in the outer vacuum tube (1) vertically, it is characterized in that: in the described outer vacuum tube (1), lower surface is coated with sunshine reflectance coating (3) or is provided with reflector (4), described endothermic tube (2) adopts metal material to make, and the outer surface of endothermic tube (2) is provided with the heat absorption fin (5) that at least one metal material is made vertically.
2. internal focusing vacuum solar heat collecting pipe according to claim 1 is characterized in that: described outer vacuum tube (1) and described endothermic tube (2) are the concentric setting, are coated with selective absorbing film at the outer surface of endothermic tube (2) and described heat absorption fin (5).
3. internal focusing vacuum solar heat collecting pipe according to claim 2 is characterized in that: the quantity of described heat absorption fin (5) is 3, and wherein 2 heat absorption fin (5) along continuous straight runs are installed in left and right two sides of described endothermic tube (2) symmetrically.Another heat absorption fin (5) vertically is installed in the bottom of endothermic tube (2).
4. internal focusing vacuum solar heat collecting pipe according to claim 3 is characterized in that: described endothermic tube (2) employing stainless steel or copper or aluminium or copper alloy or aluminum alloy materials are made, and described outer vacuum tube (1) adopts the silicon boron glass to make.
5. according to any one described internal focusing vacuum solar heat collecting pipe in the claim 1 to 4, it is characterized in that: the heat pipe that described endothermic tube (2) inserts for vacuum tube (1) one end outside described, its insertion end adopt welding or hot pressing envelope to link to each other.
6. according to any one described internal focusing vacuum solar heat collecting pipe in the claim 1 to 4, it is characterized in that: described endothermic tube (2) is the coaxial copper pipe of the bilayer of the insertion of vacuum tube (1) one end outside described, and its insertion end adopts welding or hot pressing envelope to link to each other.
7. according to any one described internal focusing vacuum solar heat collecting pipe in the claim 1 to 4, it is characterized in that: described endothermic tube (2) is for the insertion of vacuum tube (1) one end outside described, from the straight pipe that the other end passes, and its insertion end adopts welding or hot pressing envelope to link to each other respectively with traversing through end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100865981A CN1743755A (en) | 2005-10-12 | 2005-10-12 | Internal light-focusing vacuum solar heat collecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100865981A CN1743755A (en) | 2005-10-12 | 2005-10-12 | Internal light-focusing vacuum solar heat collecting pipe |
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| Publication Number | Publication Date |
|---|---|
| CN1743755A true CN1743755A (en) | 2006-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005100865981A Pending CN1743755A (en) | 2005-10-12 | 2005-10-12 | Internal light-focusing vacuum solar heat collecting pipe |
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| CN (1) | CN1743755A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486343A (en) * | 2010-12-06 | 2012-06-06 | 徐盛之 | Inner light-gathering vacuum solar heat collection pipe |
| CN103423900A (en) * | 2012-05-18 | 2013-12-04 | 施侃超 | Straight-through vacuum heat collecting element with variable-vacuum-degree idle sunning protection |
| CN103673353A (en) * | 2013-12-30 | 2014-03-26 | 南京诚远太阳能科技有限公司 | Internal-condensation single-ended medium-high temperature solar thermal collecting pipe |
| CN106091416A (en) * | 2016-08-04 | 2016-11-09 | 福建工程学院 | A kind of interpolation three fin straight ribbed pipe vacuum tube collector |
| CN106352567A (en) * | 2016-10-25 | 2017-01-25 | 天津大学 | Novel solar heat collection pipe with built-in heat absorber |
-
2005
- 2005-10-12 CN CNA2005100865981A patent/CN1743755A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486343A (en) * | 2010-12-06 | 2012-06-06 | 徐盛之 | Inner light-gathering vacuum solar heat collection pipe |
| CN102486343B (en) * | 2010-12-06 | 2015-04-15 | 徐盛之 | Inner light-gathering vacuum solar heat collection pipe |
| CN103423900A (en) * | 2012-05-18 | 2013-12-04 | 施侃超 | Straight-through vacuum heat collecting element with variable-vacuum-degree idle sunning protection |
| CN103673353A (en) * | 2013-12-30 | 2014-03-26 | 南京诚远太阳能科技有限公司 | Internal-condensation single-ended medium-high temperature solar thermal collecting pipe |
| CN106091416A (en) * | 2016-08-04 | 2016-11-09 | 福建工程学院 | A kind of interpolation three fin straight ribbed pipe vacuum tube collector |
| CN106352567A (en) * | 2016-10-25 | 2017-01-25 | 天津大学 | Novel solar heat collection pipe with built-in heat absorber |
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