CN202747665U - Single-layered inflation and heat-preservation heat collecting tube - Google Patents
Single-layered inflation and heat-preservation heat collecting tube Download PDFInfo
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- CN202747665U CN202747665U CN 201220305006 CN201220305006U CN202747665U CN 202747665 U CN202747665 U CN 202747665U CN 201220305006 CN201220305006 CN 201220305006 CN 201220305006 U CN201220305006 U CN 201220305006U CN 202747665 U CN202747665 U CN 202747665U
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- heat
- inner pipe
- metal inner
- collecting tube
- thermal
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- 238000004321 preservation Methods 0.000 title abstract 3
- 239000002184 metal Substances 0.000 claims abstract description 88
- 239000011521 glass Substances 0.000 claims abstract description 46
- 239000011261 inert gas Substances 0.000 claims abstract description 18
- 230000007704 transition Effects 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 32
- 238000005273 aeration Methods 0.000 claims description 15
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 238000001228 spectrum Methods 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000001257 hydrogen Substances 0.000 abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 230000008033 biological extinction Effects 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
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- Thermal Insulation (AREA)
Abstract
The utility model discloses a single-layered inflation and heat-preservation heat collecting tube comprising a metal inner pipe for storing a heat-conducting working medium and a glass outer pipe sleeved outside the metal inner pipe, wherein pipe ends of the metal inner pipe and the glass outer pipe are connected through an air-tight connection structure so as to form an annular cavity with a transverse section; the air-tight connection structure comprises a corrugated pipe, end covers and a transition connecting piece; the end covers are respectively arranged at the end part of the glass outer pipe and the metal inner pipe penetrates through central through holes in the end covers; the corrugated pipe is sleeved on the metal inner pipe and is located between the end covers; the two ends of the corrugated pipe are respectively connected with the metal inner pipe and the end covers through the transition connecting piece to seal the cavity; and each end cover is further provided with an air hole for inflating inert gas into the cavity or is used for vacuumizing. The air tightness requirement on the air-tight connection structure is low and the production cost can be reduced; hydrogen generated by the heat-conducting working medium can penetrate into the cavity to influence the heat-preservation performance; and the long-period stable working efficiency and the longer service life can be guaranteed.
Description
Technical field
The utility model relates to a kind of thermal-collecting tube, is specifically related to a kind of individual layer aeration insulating thermal-collecting tube.
Background technology
The commercial development of solar energy and to utilize be an important development trend of renewable energy source domain, European Union, Japan and the U.S. have focused on the regenerative resource aspect such as solar energy to the energy safety of supply after the year two thousand thirty.Estimate according to International Energy Agency (IEA), to the year two thousand forty solar electrical energy generation will account for more than 20% of world's supply of electric power.
At present, the concentration type solar generation technology has become one of important directions of international heliotechnics development as a kind of important way that solar energy utilizes.Research and development and practice by three more than ten years, reached in the world following common recognition: the solar energy thermal-power-generating station, especially groove type solar thermo-power station, it may be present most economical solar electrical energy generation mode, and only have trough type solar power generation to realize commercialized running, so it is the most ripe solar energy thermal-power-generating technology.
The course of work of trough type solar power generation system is: assemble sunshine by the grooved parabolic condenser of following the tracks of the sun, the heat-conducting work medium in the solar energy heating thermal-collecting tube produces overheated steam by heat exchange, the generating of steam drive Turbo-generator Set.Thermal-collecting tube wherein is the core component of trough type solar power generation system.Thermal-collecting tube generally is comprised of the metal inner pipe of the selective absorbing membrane of plated surface and the glass outer tube that is sleeved on outside the metal inner pipe, and in order to reduce heat loss, the space between glass outer tube wall and the metal inner pipe outer wall vacuumizes the formation vacuum chamber.The glass outer tube pipe end that is connected with metal inner pipe is provided with the syndeton that connects for air-tightness.But, because metal has different thermal coefficient of expansions and the two situation difference of being heated with glass when thermal-collecting tube moves, be that metal tube is heated and reaches about 400 ℃, and glass tube to be heated only be 100 ℃, therefore require expansion compensation between metal inner pipe and the glass outer tube, normally adopt metal bellows to alleviate vertical thermal expansion stress.Yet the high-temperature vacuum pipe manufacturing technology of this maturation only has the minority producer of the countries such as Germany, Israel to grasp.
In recent years, the thermal-collecting tube that occurs in China domestic market is to vacuumize between metal inner pipe and glass outer tube with the heat transmission between isolated metal inner pipe and air mostly, thereby improves the efficient of thermal-collecting tube, so thermal-collecting tube often is also referred to as vacuum heat collection pipe.But, there is following defective in this vacuum heat collection pipe: the heat-conducting work medium that (1) is stored in the metal inner pipe can produce hydrogen, the tube wall that hydrogen molecule can see through metal inner pipe penetrates in the vacuum chamber, thermal-collecting tube itself also has certain leakage to make air enter the region of no pressure simultaneously, therefore cause the vacuum of thermal-collecting tube to reduce, so that operating efficiency descends, and shortened the whole service life of thermal-collecting tube; (2) solder technology of vacuum pumping technology and metal and glass tube is very complicated, causes the production cost of thermal-collecting tube high.
The utility model content
The purpose of this utility model is to provide a kind of simple in structure, individual layer aeration insulating thermal-collecting tube that can increase the service life, reduce production costs and can raise the efficiency.
The purpose of this utility model realizes by following technical measures: a kind of individual layer aeration insulating thermal-collecting tube, comprise for the metal inner pipe that stores heat-conducting work medium and the glass outer tube that is coated at metal inner pipe, described metal inner pipe is connected by the structure that is tightly connected at pipe end so that form the chamber that lateral cross section is annular between the two with the glass outer tube, it is characterized in that the described structure that is tightly connected comprises bellows, end cap and transition piece, described end cap divides the end that is located at described glass outer tube and the central through hole that is passed end cap by described metal inner pipe, described bellows-sheathed is contained on the described metal inner pipe and between described end cap, the two ends of described bellows are respectively by transition piece and described metal inner pipe, end cap connects and with described cavity seal, also is provided with on described end cap for being filled with inert gas to described chamber or vacuumizing the pore of usefulness.
The utility model can be filled with inert gas to realize heat insulating function in chamber, vacuumize mode and compare with existing, although it is slightly poor to be filled with the insulation effect of inert gas mode, but because air pressure and the external atmosphere pressure of inert gas are more or less the same in the chamber, therefore, the air-tightness of the structure that is tightly connected requires to reduce, can the decrease manufacture difficulty, reduce production costs; In addition, of the present utility model simple in structure, be filled with inert gas after, have certain pressure in the chamber, the hydrogen that heat-conducting work medium produces is not easy to be penetrated in the chamber, and is minimum on the heat-insulating property impact.As seen, compare with the existing vacuum pumping technology that adopts, the utility model can have been avoided the operating efficiency of existing thermal-collecting tube and the phenomenon that reduces service life significantly, has longer service life.
As a kind of preferred embodiment of the present utility model, described transition piece comprises Concentric Reducers and tube connector, described Concentric Reducers is sleeved on the described metal inner pipe, a more small-bore end of described Concentric Reducers is connected on the end of described metal inner pipe, and an end of described Concentric Reducers larger caliber is connected with described bellows one end; Described tube connector is enclosed within outward on described bellows and the Concentric Reducers, one end of described tube connector has to the flanging of orifice plane bending, described flanging is connected on the outer rim of described end cap central through hole, and the other end of described tube connector is connected so that tube connector is supported on the periphery of bellows with the described bellows other end.
As a kind of improvement of the present utility model, described end cap comprises lid and Bonded Ring, described lid is an annular slab, one end of described Bonded Ring has the U-shaped groove of annular, the bottom of the U-shaped groove of Bonded Ring has the extension of annular, described extension is connected with the edge of described lid, and the tube wall of described U-shaped groove and glass outer tube is suitable, and the pipe end of described glass outer tube inserts in the U-shaped groove and is adhesively fixed.Because air pressure and the ambient pressure of the inert gas that is filled with differ little, therefore low to the air-tightness requirement of the structure that is tightly connected, so being connected with the glass outer tube, metal inner pipe can adopt comparatively simple bonding technology.
The mode of recommending as the utility model, high temperature resistant bonding is gluing connects in employing between described Bonded Ring and the glass outer tube.
As a kind of embodiment of the present utility model, described glass outer tube adopts full transparent glass to make.
As another kind of embodiment of the present utility model, the part is coated with the reflecting layer on the outer wall of described glass outer tube or the inwall, described reflecting layer extends axially so that the reflecting layer forms arcwall face along described glass outer tube, and the cross section in described reflecting layer is arc, and its corresponding central angle scope is 20～200 °.The utilization to reflection, scattered beam can be improved in the plating reflecting layer on the glass outer tube, and then improves the operating efficiency of thermal-collecting tube.
The utility model can also have following embodiment:
Be coated with solar spectrum selective absorbing film on the outer wall of described metal inner pipe, described solar spectrum selective absorbing film covers on whole outer walls of metal inner pipe.
As improvement of the present utility model, on described solar spectrum selective absorbing film or the outer wall of metal inner pipe be partially coated with heat-insulation layer, the realization light and heat collection then matches with the concentrator that is arranged on the thermal-collecting tube outside at all the other positions, described heat-insulation layer extends axially so that heat-insulation layer forms arcwall face along described solar spectrum selective absorbing film, and the cross section of described heat-insulation layer is arc, and the central angle scope that described heat-insulation layer is corresponding is 20～200 °.
The concrete position that is coated with heat-insulation layer at solar spectrum selective absorbing film is to determine according to installation site and the required Heat-collecting effect that reaches of grooved parabolic concentration device, namely do not absorbing or less absorption sunshine partly is coated with heat-insulation layer, and all the other positions cooperate the heat collection function of realizing thermal-collecting tube jointly with grooved parabolic concentration device, be coated with the heat loss that heat-insulation layer can reduce thermal-collecting tube, improve the whole efficiency of thermal-collecting tube.
Described pore connects the air accumulator that is used for storing inert gas by pipeline; Described pore connects vacuum extractor by pipeline.
As improvement of the present utility model, be coated with the anti-emission layer of metal at described heat-insulation layer.The anti-emission layer of metal can reduce the emissivity in the non-extinction of metal inner pipe zone.
As the another kind of embodiment of the utility model, the part is coated with the anti-emission layer of metal on the outermost layer of described metal inner pipe, the realization light and heat collection then matches with the concentrator that is arranged on the thermal-collecting tube outside at all the other positions, the anti-emission layer of described metal extends axially so that the anti-emission layer of metal forms arcwall face along thermal-collecting tube, and the cross section of the anti-emission layer of described metal is arc, and the central angle scope that the anti-emission layer of described metal is corresponding is 20～200 °.The Main Function of the anti-emission layer of metal is the emissivity that reduces the non-extinction of metal inner pipe zone.
Compared with prior art, the utlity model has following significant effect:
(1) the utility model can be filled with inert gas to realize heat insulating function in chamber, vacuumize mode and compare with existing, although it is slightly poor to be filled with the insulation effect of inert gas mode, but because inert gas air pressure and external atmosphere pressure in the chamber differ less, therefore, the utility model requires to reduce to the air-tightness of the structure that is tightly connected, can the decrease manufacture difficulty, thus reduce production costs.
(2) of the present utility model simple in structure, because after being filled with inert gas, has certain pressure in the chamber, although the hydrogen that heat-conducting work medium produces also can be penetrated in the chamber, but because the existence of inert gas, its entire effect to heat-insulating property is minimum, so compare with the existing vacuum pumping technology that adopts, after the long-term use of the utility model, can avoid the phenomenon that reduces in operating efficiency and service life.
(3) the utility model is because the inert gas air pressure and the ambient pressure that are filled with differ less, air-tightness to the structure that is tightly connected requires low, comparatively simple bonding technology can be adopted so metal inner pipe is connected with the glass outer tube, cost of manufacture can be further reduced.
(4) utilization to reflection, scattered beam can be improved in the plating reflecting layer on the glass outer tube, and then improves the operating efficiency of thermal-collecting tube.
(5) on the metal tube outer wall, do not absorb or less absorption sunshine is partly coated heat-insulation layer and can be reduced heat loss, improve the whole efficiency of thermal-collecting tube.
(6) on heat-insulation layer or the outer wall of metal inner pipe be coated with the anti-emission layer of metal, the anti-emission layer of metal can reduce the emissivity in the non-extinction of metal inner pipe zone.
(7) of the present utility model practical, can be widely used in the solar heat power generation system.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the axial half section schematic diagram of the utility model embodiment 1;
Fig. 2 is the axial half section schematic diagram of the utility model embodiment 2;
Fig. 3 is the axial half section schematic diagram of the utility model embodiment 3.
The specific embodiment
As shown in Figure 1, it is a kind of individual layer aeration insulating of the utility model thermal-collecting tube, comprise for the metal inner pipe 1 that stores heat-conducting work medium and the glass outer tube 2 that is coated at metal inner pipe 1, be coated with solar spectrum selective absorbing film on the outer wall of metal inner pipe 1, solar spectrum selective absorbing film covers on whole outer walls of metal inner pipe 1.Glass outer tube 2 adopts full transparent glass to make, metal inner pipe 1 is connected by the structure that is tightly connected at pipe end so that form the chamber 3 that lateral cross section is annular between the two with glass outer tube 2, the structure that is tightly connected comprises bellows 4, end cap and transition piece, end cap divides the end that is located at glass outer tube 2 and the central through hole that is passed end cap by metal inner pipe 1, bellows 4 is sleeved on the metal inner pipe 1 and between end cap, the two ends of bellows 4 are respectively by transition piece and metal inner pipe 1, end cap connects and chamber 3 is sealed, also be provided with the pore that vacuumizes for to chamber 3 on end cap, pore connects vacuum extractor by pipeline 10.
In the present embodiment, transition piece comprises Concentric Reducers 5 and tube connector 6, Concentric Reducers 5 is sleeved on the metal inner pipe 1, and a more small-bore end of Concentric Reducers 5 is welded on the end of metal inner pipe 1, and larger caliber one end of Concentric Reducers 5 then welds with bellows 4 one ends; Tube connector 6 outer being enclosed within on bellows 4 and the Concentric Reducers 5, one end of tube connector 6 has to the flanging 7 of orifice plane bending, the outside of flanging 7 is welded on the outer rim of end cap central through hole, and the other end of tube connector 6 and the welding of bellows 4 other ends are so that tube connector 6 is supported on the periphery of bellows 4.Tube connector 6 also plays the effect of protection bellows 4 except the function that has connection, supports.
End cap comprises lid 8 and Bonded Ring, lid 8 is annular slabs, one end of Bonded Ring has the U-shaped groove 92 of annular, the bottom of the U-shaped groove 92 of Bonded Ring has the extension 91 of annular, extension 91 is connected with the edge of lid 8, U-shaped groove 92 is suitable with the tube wall of glass outer tube 2, the pipe end of glass outer tube 2 insert in the U-shaped groove 92 and adopt high temperature resistant bonding gluing connect fixing.
As shown in Figure 2, the difference part of the present embodiment and embodiment 1 is: the part is coated with reflecting layer 12 on the outer wall of glass outer tube 2, reflecting layer 12 extends axially so that reflecting layer 12 forms arcwall face along glass outer tube 2, and the cross section in reflecting layer 12 is arc, its corresponding central angle is 120 °, the utilization to reflection, scattered beam can be improved in the plating reflecting layer on the glass outer tube, and then improves the operating efficiency of thermal-collecting tube.Also be provided with on end cap for the pore that is filled with inert gas to chamber 3, inert gas adopts argon gas, and pore connects the air accumulator that is used for storing argon gas by pipeline 13.
Embodiment 3
As shown in Figure 3, the difference part of the present embodiment and embodiment 2 is: be partially coated with heat-insulation layer 14 at solar spectrum selective absorbing film, the realization light and heat collection then matches with the concentrator that is arranged on the thermal-collecting tube outside at all the other positions, heat-insulation layer 14 extends axially so that heat-insulation layer 14 forms arcwall face along solar spectrum selective absorbing film, and the cross section of heat-insulation layer 14 is arc, and its corresponding central angle is 180 °.Heat-insulation layer can reduce heat loss, improves the whole efficiency of thermal-collecting tube.
Embodiment 4
The difference part of the present embodiment and embodiment 3 is: also be coated with the anti-emission layer of metal on heat-insulation layer.The anti-emission layer of metal is for reducing the emissivity in the non-extinction of metal inner pipe zone.
The difference part of the present embodiment and embodiment 1 is: the part is coated with the anti-emission layer of metal on the outer wall of metal inner pipe, the realization light and heat collection then matches with the concentrator that is arranged on the thermal-collecting tube outside at all the other positions, the anti-emission layer of metal extends axially so that the anti-emission layer of metal forms arcwall face along thermal-collecting tube, and the cross section of the anti-emission layer of metal is arc, and the central angle scope that the anti-emission layer of metal is corresponding is 20～200 °.The Main Function of the anti-emission layer of metal is the emissivity that reduces the non-extinction of metal inner pipe zone.
In other embodiments, the part is coated with the reflecting layer on the outer wall of glass outer tube; Be partially coated with heat-insulation layer on the outer wall of metal inner pipe.In addition, central angle corresponding to reflecting layer can be selected arbitrarily in 20～200 °, and central angle corresponding to heat-insulation layer also can be selected arbitrarily in 20～200 °.
Embodiment of the present utility model is not limited to this; according to foregoing of the present utility model; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite; the utility model can also be made modification, replacement or the change of other various ways, all drops within the utility model rights protection scope.
Claims (10)
1. individual layer aeration insulating thermal-collecting tube, comprise for the metal inner pipe that stores heat-conducting work medium and the glass outer tube that is coated at metal inner pipe, described metal inner pipe is connected by the structure that is tightly connected at pipe end so that form the chamber that lateral cross section is annular between the two with the glass outer tube, it is characterized in that: the described structure that is tightly connected comprises bellows, end cap and transition piece, described end cap divides the end that is located at described glass outer tube and the central through hole that is passed end cap by described metal inner pipe, described bellows-sheathed is contained on the described metal inner pipe and between described end cap, the two ends of described bellows are respectively by transition piece and described metal inner pipe, end cap connects and with described cavity seal, also is provided with on described end cap for being filled with inert gas to described chamber or vacuumizing the pore of usefulness.
2. individual layer aeration insulating thermal-collecting tube according to claim 1, it is characterized in that: described transition piece comprises Concentric Reducers and tube connector, described Concentric Reducers is sleeved on the described metal inner pipe, a more small-bore end of described Concentric Reducers is connected on the end of described metal inner pipe, and an end of the larger caliber of described Concentric Reducers is connected with described bellows one end; Described tube connector is enclosed within outward on described bellows and the Concentric Reducers, one end of described tube connector has to the flanging of orifice plane bending, described flanging is connected on the outer rim of described end cap central through hole, and the other end of described tube connector is connected so that tube connector is supported on the periphery of described bellows with the described bellows other end.
3. individual layer aeration insulating thermal-collecting tube according to claim 2, it is characterized in that: described end cap comprises lid and Bonded Ring, described lid is an annular slab, one end of described Bonded Ring has the U-shaped groove of annular, the bottom of the U-shaped groove of Bonded Ring has the extension of annular, described extension is connected with the edge of described lid, and the tube wall of described U-shaped groove and glass outer tube is suitable, and the pipe end of described glass outer tube inserts in the U-shaped groove and is adhesively fixed.
4. individual layer aeration insulating thermal-collecting tube according to claim 3 is characterized in that: adopt between described Bonded Ring and the glass outer tube that high temperature resistant bonding is gluing to be connect; Described glass outer tube adopts full transparent glass to make; Described pore connects by pipeline and is used for storing the air accumulator of inert gas or connects vacuum extractor.
5. individual layer aeration insulating thermal-collecting tube according to claim 4, it is characterized in that: the part is coated with the reflecting layer on the outer wall of described glass outer tube or the inwall, described reflecting layer extends axially so that the reflecting layer forms arcwall face along described glass outer tube, and the cross section in described reflecting layer is arc, and the corresponding central angle scope in described reflecting layer is 20～200 °.
6. individual layer aeration insulating thermal-collecting tube according to claim 5, it is characterized in that: be coated with solar spectrum selective absorbing film on the outer wall of described metal inner pipe, described solar spectrum selective absorbing film covers on whole outer walls of metal inner pipe.
7. individual layer aeration insulating thermal-collecting tube according to claim 6, it is characterized in that: be partially coated with heat-insulation layer at described solar spectrum selective absorbing film, the realization light and heat collection then matches with the concentrator that is arranged on the thermal-collecting tube outside at all the other positions, described heat-insulation layer extends axially so that heat-insulation layer forms arcwall face along described thermal-collecting tube, and the cross section of described heat-insulation layer is arc, and the central angle scope that described heat-insulation layer is corresponding is 20～200 °.
8. individual layer aeration insulating thermal-collecting tube according to claim 5, it is characterized in that: the outer wall at described metal inner pipe is partially coated with heat-insulation layer, the realization light and heat collection then matches with the concentrator that is arranged on the thermal-collecting tube outside at all the other positions, described heat-insulation layer extends axially so that heat-insulation layer forms arcwall face along described thermal-collecting tube, and the cross section of described heat-insulation layer is arc, and the central angle scope that described heat-insulation layer is corresponding is 20～200 °.
9. it is characterized in that: be coated with the anti-emission layer of metal at described heat-insulation layer according to claim 7 or 8 described individual layer aeration insulating thermal-collecting tubes.
10. according to claim 5 or 6 described individual layer aeration insulating thermal-collecting tubes, it is characterized in that: the part is coated with the anti-emission layer of metal on the outermost layer of described metal inner pipe, the realization light and heat collection then matches with the concentrator that is arranged on the thermal-collecting tube outside at all the other positions, the anti-emission layer of described metal extends axially so that the anti-emission layer of metal forms arcwall face along thermal-collecting tube, and the cross section of the anti-emission layer of described metal is arc, and the central angle scope that the anti-emission layer of described metal is corresponding is 20～200 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305006 CN202747665U (en) | 2012-06-27 | 2012-06-27 | Single-layered inflation and heat-preservation heat collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220305006 CN202747665U (en) | 2012-06-27 | 2012-06-27 | Single-layered inflation and heat-preservation heat collecting tube |
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| Publication Number | Publication Date |
|---|---|
| CN202747665U true CN202747665U (en) | 2013-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220305006 Expired - Fee Related CN202747665U (en) | 2012-06-27 | 2012-06-27 | Single-layered inflation and heat-preservation heat collecting tube |
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| CN (1) | CN202747665U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036311A (en) * | 2016-02-03 | 2017-08-11 | 肖特股份有限公司 | Method for discharging hydrogen storage system in paraboloid trough type receiver |
| ES2725975A1 (en) * | 2018-03-28 | 2019-10-01 | Vera Jose Carlos Cancho | PROCEDURE AND DEVICE FOR REPAIRING OR IMPROVING ABSORBING TUBES OF OR FOR THERMOSOLAR FACILITIES (Machine-translation by Google Translate, not legally binding) |
-
2012
- 2012-06-27 CN CN 201220305006 patent/CN202747665U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036311A (en) * | 2016-02-03 | 2017-08-11 | 肖特股份有限公司 | Method for discharging hydrogen storage system in paraboloid trough type receiver |
| CN107036311B (en) * | 2016-02-03 | 2019-08-16 | 肖特股份有限公司 | Method for discharging hydrogen storage system in paraboloid trough type receiver |
| US10571154B2 (en) | 2016-02-03 | 2020-02-25 | Schott Ag | Method for discharging a hydrogen storage system in parabolic trough receivers |
| ES2725975A1 (en) * | 2018-03-28 | 2019-10-01 | Vera Jose Carlos Cancho | PROCEDURE AND DEVICE FOR REPAIRING OR IMPROVING ABSORBING TUBES OF OR FOR THERMOSOLAR FACILITIES (Machine-translation by Google Translate, not legally binding) |
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