CN203550257U - Solar inner condensing medium-temperature heat pipe heat collection tube - Google Patents
Solar inner condensing medium-temperature heat pipe heat collection tube Download PDFInfo
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- CN203550257U CN203550257U CN201320717269.2U CN201320717269U CN203550257U CN 203550257 U CN203550257 U CN 203550257U CN 201320717269 U CN201320717269 U CN 201320717269U CN 203550257 U CN203550257 U CN 203550257U
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- tube
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- heat pipe
- solar
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- 239000011521 glass Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000003518 caustics Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 3
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 2
- 210000004534 cecum Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000005297 pyrex Substances 0.000 description 2
- 238000007605 air drying Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 230000009466 transformation Effects 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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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a solar inner condensing medium-temperature heat pipe heat collection tube. The heat collection tube comprises an outer cover tube, a vacuum cover tube, a heat absorbing tube, a condensing plate, an upper end cap, a lower end cap and a cooling end pipe, wherein the outer cover tube is made of a light-pervious material, the vacuum cover tube and the heat absorbing tube are coaxial, and the condensing plate, the upper end cap, the lower end cap and the cooling end pipe are assembled between the outer cover tube and the vacuum cover tube; the upper end cap and the lower end cap are encapsulated at the two ends of the outer cover tube respectively, and the cooling end pipe and the heat output end of the heat absorbing tube are encapsulated as a whole to form a glass heat tube; a vacuum layer is formed between the vacuum cover tube and the heat absorbing tube, and the condensing plate is assembled between the outer cover tube and the vacuum tube to form an annular heating chamber. The solar inner condensing medium-temperature heat pipe heat collection tube is convenient to manufacture, high in heat collection efficiency, high in heat transmission speed, capable of ideally converting solar energy into a medium-temperature heat source for use.
Description
Technical field
The utility model relates to optically focused moderate temperature heat pipe thermal-collecting tube in a kind of solar energy.
Background technology
Thermal-collecting tube for solar energy mainly contains two classes at present, first all-glass vacuum thermal-collecting tube, and one end of its pipe is cecum, and the other end is the openend being communicated with coupling device, and such thermal-collecting tube be take water as heat-conduction medium.Another kind of is glass double-vacuum heat pipe, and the two ends of this pipe are all cecum, and it adopts a kind of heat-conducting medium as the heat-conduction medium of solar energy heat collection pipe, sets operating temperature and is up to 100 ℃, and air drying temperature is 180 ℃.This two classes thermal-collecting tube has been widely used in solar water heater.In order further to improve heat-collecting temperature and the scope of application of solar energy heat collection pipe, Chinese patent literature discloses a kind of application number on November 15th, 2006: 200610082953.2, name is called: the technical scheme of internal focusing vacuum solar heat collecting pipe, this technical scheme adopts light transmissive material to make outer vacuum tube, in vacuum tube, be provided with vertically outside endothermic tube, and the below in vacuum tube is also provided with reflector vertically outside, the cross section of reflector is opening upwards, the parabola that double-paraboloid line arranged side by side or cross section are opening upwards, endothermic tube is positioned on the axle consisting of double-paraboloid line or parabolical focus.Although this kind of technical scheme can increase by reflector the thermal efficiency that absorbs solar energy effectively, still there is following technological deficiency in this patent: 1, due to the coincident configurations not of axle centered by between focal axis, endothermic tube and the outer tube three of this scheme reflector.Therefore not only strengthened the difficulty of thermal-collecting tube processing and fabricating and erection.Particularly reflector adopts dual paraboloid or paraboloidal non-tracking structure, has caused a certain hour internal reflection plate focal axis part to depart from endothermic tube surface, and heat absorption efficiency is declined.2, the endothermic tube of this scheme adopts Pyrex to make, this kind of endothermic tube that material is made, and when being subject to middle high temperature low-temperature impact, easy bombing is broken and is dropped down thermal medium, causes system to move unsuccessfully.Next Chinese patent literature discloses a kind of patent No. on November 07th, 2012 and has been: ZL201110252593.7, name is called: the preparation method of high-temperature heat-collection pipe in interior condensation capacity-reducing solar energy, this technical scheme adopts light transmissive material to make outer vacuum tube, in vacuum tube, be provided with vertically outside endothermic tube, and the below in vacuum tube is also provided with reflector vertically outside, the cross section of reflector is the compound parabolic of opening upwards, and endothermic tube is positioned in the focal axis of composite parabolic.Although this kind of technical scheme can increase by reflector the thermal efficiency that absorbs solar energy effectively, but still there is following technological deficiency in this patent: 1, because this scheme endothermic tube and vestlet internal diameter ratio are 3-5 times, when therefore outer tube undergauge stretches, cause outer tunnel end head tube wall to become thinner, the corresponding reduction of air-tightness and intensity.And after packing reflector and annex into, seal up heavy caliber one end, then vacuumize, anneal, seal.Also can cause thus the deformation annealing of reflector, cause reflector partial failure, strengthen the difficulty of thermal-collecting tube processing and fabricating and erection, heat absorption efficiency is declined.2, the endothermic tube of this scheme adopts Pyrex to make, and high-temperature medium is present in metal heat energy conductor, has an air heat resistant layer between the two, has reduced heat absorption capacity.When 3, metal heat energy conductor is connected with heat collector, adopt screw thread or flange gasket coil structures to connect, cause and may increase by leak source, be unfavorable for the use of heavy construction.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art more succinctly optically focused moderate temperature heat pipe thermal-collecting tube in solar energy easily of a kind of manufacturing process is provided.
The purpose of this utility model is achieved in that optically focused moderate temperature heat pipe thermal-collecting tube in this solar energy, and it comprises outer tube that light transmissive material is made and coaxial vacuum vestlet, endothermic tube and is assemblied in outer tube and the two solar panel, end cap and radiating end pipe up and down of vacuum vestlet; Described upper and lower end cap is encapsulated in respectively the two ends of outer tube; The heat energy output sealing-in of radiating end pipe and endothermic tube is integrated, and forms glass heat pipe; Between described vacuum vestlet and endothermic tube, form vacuum layer, between outer tube and vacuum vestlet, formed annular-heating chamber.
The technological progress that the utility model is obtained is:
1, optically focused in vacuum, collecting efficiency is high.By glass heat pipe, vacuum vestlet and reflector, outer tube, constitute heat pipe concentrating solar thermal-arrest, insulated space, can make its reflector efficiency reach more than 70%, and reverberation direct irradiation, at heat pipe lower surface, has improved heat pipe and has connect medium temperature in optical density and pipe.Endothermic tube connects optical surface deposition high-temperature selective solar absorbing film, uses reflective mechanism, has realized surrounding daylighting, has improved medium temperature in luminous energy density and pipe; Internal light-concentrating reflecting plate is not subject to atmospheric dust to pollute and corrode, and reflecting effect is good, long service life, and do not need tracking means; Surface dirt water rinses convenient.Cold and hot working technique combines, and manufacturing cost and use cost is lower.
2, mass-and heat-transfer speed is fast.For meeting the needs of heat transfer medium temperature, further improving vacuum tube absorbs and transmitting energy, in endothermic tube, be arranged to glass heat pipe, in heat pipe, fill middle temperature heat conduction with phase change medium, warm vacuum trace medium phase transformation efficient heat transfer in formation, thereby guaranteed under solar irradiation, improve rapidly temperature and derive heat energy, accelerated the intensification mass-and heat-transfer speed in vacuum tube.Compare with existing interior condensation capacity-reducing solar energy heat collection pipe and improve heat and mass efficiency more than 10%.
3, processing technology adopts hot-working to be combined with cold working, guarantees that optically focused and the collecting efficiency of element is high.This pyrogen part constitutes Salar light-gathering, thermal-arrest, insulated space by glass heat pipe, vacuum vestlet and outer tube and reflector, between endothermic tube and vacuum vestlet, adopt hot melt processing to connect, vacuumize sealing, between outer tube and vacuum vestlet, adopt mechanical attachment.To compare manufacture simpler and more direct with high-temperature heat-collection pipe in existing solar energy, and the impact of hot-working high temperature deformation while having solved solar panel assembling has guaranteed the light and heat collection effect of thermal-collecting tube integral body.
4, safe pressure-bearing.This heat collecting element does not contact with the heat-conducting medium of transmission pipeline, heat energy is derived by special middle high temperature coupling device, the not mass transfer that only conducts heat between heated medium and thermal element in middle high temperature coupling device, in solar energy, optically focused moderate temperature heat pipe thermal-collecting tube guarantees that as damaged each interface does not leak heated medium.Change more convenient, and not impact system operation.The not mass transfer that only conducts heat between heated medium and thermal element in the system forming with this Novel hot element, system compared with high workload pressure and temp condition under safety and reliability.
Solar energy heating tube efficiency of the present invention is high in a word, heat transfer rate is fast, is a kind of safe, desirable optically focused moderate temperature heat pipe thermal-collecting tube in the solar energy that middle temperature-heat-source is used that converts solar energy into.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model thermal-collecting tube.
Fig. 2 is the cross-sectional structure schematic diagram of Fig. 1.
The specific embodiment
Accompanying drawing take below as embodiment is to the utility model further instruction.As shown in Figure 1, 2, the outer tube 8 that in this solar energy, in optically focused, high-temperature heat-collection pipe is made by light transmissive material, coaxial vacuum vestlet 6, endothermic tube 2, solar panel 7, upper end cover 3, bottom end cover 4 and radiating end pipe 1 form; Described vacuum vestlet 6 and outer tube 8 are successively with the outside that is located in endothermic tube 2, solar panel 7 is located between outer tube 8 and vacuum vestlet 6, solar panel 7 is a compound parabolic deflector plate, solar panel 7 is assemblied in the cambered surface of outer tube 8 inwall lower halfs, and 7 of outer tube 8 and solar panels are fitted with support card 9; Upper end cover 3, bottom end cover 4 are encapsulated in respectively the two ends of outer tube 8, and radiating end pipe 1 is integrated with the heat energy output sealing-in of endothermic tube 2, forms glass heat pipe; The outer surface of endothermic tube 2 is provided with high temperature solar absorbing film.2 of described vacuum vestlet 6 and endothermic tubes have formed insulation vacuum layer 5, and 6 of outer tube 8 and vacuum vestlets have formed annular-heating chamber, and the two is equipped with outer support card 10.
When the utility model is used, need to absorb the heat energy from optically focused moderate temperature heat pipe thermal-collecting tube in solar energy by middle high temperature coupling device, heat-conducting medium is heated, and smooth delivery of power be transmitted out.Play the effect of heated medium and glass heat pipe isolation, effectively solved the systemic breakdown and the heated medium casualty accident that because of glass heat collecting tracheal rupture, cause, solved the security reliability of middle temperature heat collecting element.Thereby the effect that middle temperature thermal-arrest, safety, the efficient mass transfer of realizing solar energy conduct heat.
Claims (4)
1. an optically focused moderate temperature heat pipe thermal-collecting tube in solar energy, is characterized in that outer tube that it comprises that light transmissive material is made and coaxial vacuum vestlet, endothermic tube and is assemblied in outer tube and the two solar panel, end cap and radiating end pipe up and down of vacuum vestlet; Described upper and lower end cap is encapsulated in respectively the two ends of outer tube, and the heat energy output sealing-in of radiating end pipe and endothermic tube is integrated, and forms glass heat pipe; Between described vacuum vestlet and endothermic tube, form vacuum layer, between outer tube and vacuum vestlet, formed annular-heating chamber.
2. optically focused moderate temperature heat pipe thermal-collecting tube in solar energy according to claim 1, is characterized in that described solar panel is one can caustic surface reflecting plate, and it is assemblied in the cambered surface of outer tube inwall lower half.
3. optically focused moderate temperature heat pipe thermal-collecting tube in solar energy according to claim 1 and 2, is characterized in that the extexine of described endothermic tube is provided with high temperature solar absorbing film.
4. optically focused moderate temperature heat pipe thermal-collecting tube in solar energy according to claim 3, is characterized in that being fitted with support card between described outer tube and solar panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717269.2U CN203550257U (en) | 2013-11-14 | 2013-11-14 | Solar inner condensing medium-temperature heat pipe heat collection tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717269.2U CN203550257U (en) | 2013-11-14 | 2013-11-14 | Solar inner condensing medium-temperature heat pipe heat collection tube |
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| Publication Number | Publication Date |
|---|---|
| CN203550257U true CN203550257U (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717269.2U Expired - Lifetime CN203550257U (en) | 2013-11-14 | 2013-11-14 | Solar inner condensing medium-temperature heat pipe heat collection tube |
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| Country | Link |
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| CN (1) | CN203550257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574947A (en) * | 2013-11-14 | 2014-02-12 | 王曙光 | Solar inner-condensation moderate temperature heat pipe heat collecting tube and manufacturing method thereof |
-
2013
- 2013-11-14 CN CN201320717269.2U patent/CN203550257U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574947A (en) * | 2013-11-14 | 2014-02-12 | 王曙光 | Solar inner-condensation moderate temperature heat pipe heat collecting tube and manufacturing method thereof |
| CN103574947B (en) * | 2013-11-14 | 2016-03-30 | 王曙光 | The preparation method of optically focused moderate temperature heat pipe thermal-collecting tube in solar energy |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |