CN105509349A - Vacuum high-temperature solar heat collecting tube - Google Patents
Vacuum high-temperature solar heat collecting tube Download PDFInfo
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- CN105509349A CN105509349A CN201510956955.9A CN201510956955A CN105509349A CN 105509349 A CN105509349 A CN 105509349A CN 201510956955 A CN201510956955 A CN 201510956955A CN 105509349 A CN105509349 A CN 105509349A
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- coatings
- base tube
- temperature solar
- solar energy
- cloche
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
-
- 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
- Y02E10/44—Heat exchange systems
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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)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The invention belongs to the technical field of solar energy photo-thermal utilization and particularly relates to a vacuum high-temperature solar heat collecting tube which comprises a base tube, Kovar alloy, a glass cover and a bellows. The vacuum high-temperature solar heat collecting tube is characterized in that the outer wall of the base tube is sequentially provided with an absorbing coating and a reflection-deducting coating from inside to outside; the base tube, the absorbing coating and the reflection-deducting coating are fixedly sleeved with the glass cover, and the absorbing coating and the reflection-deducting coating are located on the outer wall of the base tube; the glass cover is fixed to the two ends of the bellows through the Kovar alloy; the absorbing coating is made of a nickel and molybdenum ceramic composite material or a tungsten and cobalt ceramic composite material; the reflection-deducting coating is one or a combination of an aluminum oxide coating, a chromium oxide coating and a tin dioxide coating; the thickness of the absorbing coating is 10-25 microns, and the thickness of the reflection-deducting coating is 10-25 microns. Vacuum heat preservation is adopted by the vacuum high-temperature solar heat collecting tube, so that heat conduction loss and heat convection loss are reduced. The vacuum high-temperature solar heat collecting tube has the advantages of being resistant to high temperature, good in weather resistance and high in thermal absorptivity.
Description
Technical field
The invention belongs to solar energy heat utilization technical field, particularly relate to a kind of vacuum high-temperature solar energy heat collection pipe.
Background technology
Energy problem is puzzlement China and even a global problem always, and fossil energy is through collection for many years and use, and day by day exhausted, the ecological environment of the earth also can't bear the heavy load, and therefore we are in the urgent need to finding the novel energy with substitute fossil fuels.
Regenerative resource concept is arisen at the historic moment, and it mainly refers to solar energy, wind energy, biomass energy and tide energy etc., and wherein based on solar energy.It is large that solar energy has stock number, has a very wide distribution, cleanliness without any pollution, the advantages such as technically reliable.Solar energy generation technology becomes the emphasis of China and even the development of international renewable energy technologies day by day.China's solar energy resources enriches, and grows up more than 2000 hours during regional sunshine in year of national total area more than 2/3, and the year theoretical reserves of China's solar energy resources can reach 17,000 hundred million tons of coals.
Solar light-heat power-generation technology comprises tower-type electricity generation, slot type generating, butterfly generating and Fresnel solar energy photo-thermal power generation technology.Wherein, Fresnel solar energy generation technology has the advantages such as structure is simple, cost is low.At present, the thermal-collecting tube that solar light-heat power-generation adopts generally adopts glass-metal vacuum solar heat-collecting pipe, and it has following shortcoming: thermal-collecting tube heat-sink shell non-refractory, and long-play temperature only has 400 DEG C, thermal-collecting tube thermal radiation loss is high, and photo-thermal conversion efficiency is on the low side.
Summary of the invention
The present invention is directed to above-mentioned technical problem, provide one and can bear more than 800 degrees Celsius high temperature, and effectively reduce thermal radiation loss, improve the vacuum high-temperature solar energy heat collection pipe of photo-thermal conversion efficiency.
The technical solution adopted in the present invention is: a kind of vacuum high-temperature solar energy heat collection pipe, comprises base tube, kovar alloy, cloche and bellows, it is characterized in that, the outer wall of described base tube is disposed with absorber coatings, antireflection coatings from inside to outside; Described cloche internal fixtion is arranged with base tube and is positioned at absorber coatings and the antireflection coatings of base tube outer wall; The top of described cloche is provided with bleeding point, after vacuumizing, forms vacuum heat-insulating layer in described cloche;
Cloche is fixed on bellows two ends by described kovar alloy;
Described base tube material is stainless steel; The longitudinal section of described base tube is circular;
Described cloche top is provided with vacuum indicating device;
Described absorber coatings is the ceramic composite of nickel, molybdenum, described absorber coatings according to mass fraction 10 parts meter, wherein nickel 6-8 part, molybdenum 2-4 part;
Preferably, described absorber coatings according to mass fraction 10 parts meter, wherein 7 parts, nickel, molybdenum 3 parts;
Described absorber coatings is the ceramic composite of tungsten, cobalt, described absorber coatings according to mass fraction 10 parts meter, wherein tungsten 2-3 part, cobalt 7-8 part;
Preferably, described absorber coatings according to mass fraction 10 parts meter, wherein 2 parts, tungsten, cobalt 8 parts;
Described antireflection coatings is the one or more combination in aluminum oxide coating layer, chromium oxide coating, tin dioxide coatings;
The thickness of described absorber coatings is 10-25 μm, and the thickness of described antireflection coatings is 10-25 μm;
Preferably, the thickness of described absorber coatings is 15 μm, and the thickness of described antireflection coatings is 15 μm.
Beneficial effect of the present invention is:
1, in thermal-collecting tube, design temperature is 550 DEG C, and very large with the extraneous temperature difference, safeguard measure must be taked to reduce heat loss, and the transfer mode of heat has three kinds, comprises heat transfer, thermal convection current, heat radiation;
2, owing to managing interior temperatures as high 550 DEG C, therefore thermal radiation loss can be very large, according to Si Tepan-Boltzmann black matrix law, and E
b=ε σ T^4, when pipe outer wall is without any safeguard measure, only heat loss through radiation amount is 5200W/m
2, through the reflex of anti-reflection coating, its thermal radiation loss significantly reduces;
3, good weatherability, long service life;
4, absorber coatings is ceramic-metal composite, the highest tolerance 800 DEG C of high temperature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 be vacuum high-temperature solar energy heat collection pipe A-A tangent plane of the present invention longitudinal cross-section schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described further:
In figure, 1-base tube, 2-absorber coatings, 3-antireflection coatings, 4-vacuum heat-insulating layer, 5-cloche, 6-kovar alloy, 7-vacuum indicating device, 8-bellows, 9-bleeding point.
Embodiment 1
A kind of vacuum high-temperature solar energy heat collection pipe, comprise base tube 1, kovar alloy 6, cloche 5 and bellows 8, it is characterized in that, the outer wall of described base tube 1 is disposed with absorber coatings 2, antireflection coatings 3 from inside to outside; Described cloche 5 internal fixtion is arranged with base tube 1 and is positioned at absorber coatings 2 and the antireflection coatings 3 of base tube 1 outer wall; The top of described cloche 5 is provided with bleeding point 9, after vacuumizing, forms vacuum heat-insulating layer 4 in described cloche 5;
Cloche 5 is fixed on described bellows 8 two ends by described kovar alloy 6;
Described base tube 1 material is stainless steel; The longitudinal section of described base tube 1 is circular;
Vacuum indicating device 7 is provided with above described cloche 5;
Described absorber coatings 2 is the ceramic composite of nickel, molybdenum, described absorber coatings 2 according to mass fraction 10 parts meter, wherein 6 parts, nickel, molybdenum 4 parts;
Described antireflection coatings 3 is aluminum oxide coating layer;
The thickness of described absorber coatings 2 is 15 μm, and the thickness of described antireflection coatings 3 is 25 μm;
Vacuum high-temperature solar energy heat collection pipe makes in accordance with the following steps:
(1) HVAF technology spraying absorber coatings 2 is adopted: nickel powder and molybdenum powder are sent into feed bin in after the ratio mixing of 6:4 by pressure-air, again fuel gas and combustion-supporting gas are together entered combustion chamber, reach more than 1000 DEG C pyrolytic coatings instantaneously on the outer wall of stainless steel base tube 1, the thickness of absorber coatings 2 is 15 μm, and continuous production processes completes in tunnel cave;
(2) on absorber coatings 2, then pass through collosol craft covering aluminum oxide coating as antireflection coatings 3, the thickness of antireflection coatings 3 is 25 μm;
(3) outside the stainless steel base tube having applied absorber coatings 2, antireflection coatings 3, add kovar alloy and cloche, vacuumize.
Embodiment 2
A kind of vacuum high-temperature solar energy heat collection pipe, comprise base tube 1, kovar alloy 6, cloche 5 and bellows 8, it is characterized in that, the outer wall of described base tube 1 is disposed with absorber coatings 2, antireflection coatings 3 from inside to outside; Described cloche 5 internal fixtion is arranged with base tube 1 and is positioned at absorber coatings 2 and the antireflection coatings 3 of base tube 1 outer wall; The top of described cloche 5 is provided with bleeding point 9, after vacuumizing, forms vacuum heat-insulating layer 4 in described cloche 5;
Cloche 5 is fixed on described bellows 8 two ends by described kovar alloy 6;
Described base tube 1 material is stainless steel; The longitudinal section of described base tube 1 is circular;
Vacuum indicating device 7 is provided with above described cloche 5;
Described absorber coatings 2 is the ceramic composite of nickel, molybdenum, described absorber coatings 2 according to mass fraction 10 parts meter, wherein 7 parts, nickel, molybdenum 3 parts;
Described antireflection coatings 3 is chromium oxide coating;
The thickness of described absorber coatings 2 is 15 μm, and the thickness of described antireflection coatings 3 is 15 μm;
Preferably, the thickness of described absorber coatings 2 is 15 μm, and the thickness of described antireflection coatings 3 is 15 μm.
Vacuum high-temperature solar energy heat collection pipe operates in accordance with the following steps:
(1) HVAF technology spraying absorber coatings 2 is adopted: nickel powder and molybdenum powder are sent into feed bin in after the ratio mixing of 7:3 by pressure-air, again fuel gas and combustion-supporting gas are together entered combustion chamber, reach more than 1000 DEG C pyrolytic coatings instantaneously on the outer wall of stainless steel base tube 1, the thickness of absorber coatings 2 is 15 μm, and continuous production processes completes in tunnel cave;
(2) then on absorber coatings 2, apply chromium oxide coating as antireflection coatings 3 by collosol craft, the thickness of antireflection coatings 3 is 15 μm;
(3) outside the stainless steel base tube having applied absorber coatings 2, antireflection coatings 3, add kovar alloy and cloche, vacuumize.
Embodiment 3
A kind of vacuum high-temperature solar energy heat collection pipe, comprise base tube 1, kovar alloy 6, cloche 5 and bellows 8, it is characterized in that, the outer wall of described base tube 1 is disposed with absorber coatings 2, antireflection coatings 3 from inside to outside; Described cloche 5 internal fixtion is arranged with base tube 1 and is positioned at absorber coatings 2 and the antireflection coatings 3 of base tube 1 outer wall; The top of described cloche 5 is provided with bleeding point 9, after vacuumizing, forms vacuum heat-insulating layer 4 in described cloche 5;
Cloche 4 is fixed on described bellows 8 two ends by described kovar alloy 5;
Described base tube 1 material is stainless steel; The longitudinal section of described base tube 1 is circular;
Vacuum indicating device 7 is provided with above described cloche 5;
Described absorber coatings 2 is the ceramic composite of nickel, molybdenum, described absorber coatings 2 according to mass fraction 10 parts meter, wherein 8 parts, nickel, molybdenum 2 parts;
Described antireflection coatings 3 is tin dioxide coatings;
The thickness of described absorber coatings 2 is 15 μm, and the thickness of described antireflection coatings 3 is 25 μm.
Vacuum high-temperature solar energy heat collection pipe operates in accordance with the following steps:
(1) HVAF technology spraying absorber coatings 2 is adopted: nickel powder and molybdenum powder are sent into feed bin in after the ratio mixing of 8:2 by pressure-air, again fuel gas and combustion-supporting gas are together entered combustion chamber, reach more than 1000 DEG C pyrolytic coatings instantaneously on the outer wall of stainless steel base tube 1, the thickness of absorber coatings 2 is 25 μm, and continuous production processes completes in tunnel cave;
(2) then on absorber coatings 2, apply tin dioxide coatings as antireflection coatings 3 by collosol craft, the thickness of antireflection coatings 3 is 15 μm;
(3) outside the stainless steel base tube having applied absorber coatings 2, antireflection coatings 3, add kovar alloy and cloche, vacuumize.
Embodiment 4
A kind of vacuum high-temperature solar energy heat collection pipe, comprise base tube 1, kovar alloy 6, cloche 5 and bellows 8, it is characterized in that, the outer wall of described base tube 1 is disposed with absorber coatings 2, antireflection coatings 3 from inside to outside; Described cloche 5 internal fixtion is arranged with base tube 1 and is positioned at absorber coatings 2 and the antireflection coatings 3 of base tube 1 outer wall; The top of described cloche 5 is provided with bleeding point 9, after vacuumizing, forms vacuum heat-insulating layer 4 in described cloche 5;
Cloche 5 is fixed on bellows 8 two ends by described kovar alloy 6;
Described base tube 1 material is stainless steel; The longitudinal section of described base tube 1 is circular;
Vacuum indicating device 7 is provided with above described cloche 5;
Described absorber coatings 2 is the ceramic composite of tungsten, cobalt, described absorber coatings 2 according to mass fraction 10 parts meter, wherein 2 parts, tungsten, cobalt 8 parts;
Described antireflection coatings 3 is aluminum oxide coating layer;
The thickness of described absorber coatings 2 is 10 μm, and the thickness of described antireflection coatings 3 is 25 μm;
Vacuum high-temperature solar energy heat collection pipe operates in accordance with the following steps:
(1) HVAF technology spraying absorber coatings 2 is adopted: tungsten powder and cobalt powder are sent into feed bin in after the ratio mixing of 2:8 by pressure-air, again fuel gas and combustion-supporting gas are together entered combustion chamber, reach more than 1000 DEG C pyrolytic coatings instantaneously on the outer wall of stainless steel base tube 1, the thickness of absorber coatings 2 is 10 μm, and continuous production processes completes in tunnel cave;
(2) on absorber coatings 2, then pass through collosol craft covering aluminum oxide coating as antireflection coatings 3, the thickness of antireflection coatings 3 is 25 μm;
(3) outside the stainless steel base tube having applied absorber coatings 2, antireflection coatings 3, add kovar alloy and cloche, vacuumize.
Embodiment 5
A kind of vacuum high-temperature solar energy heat collection pipe, comprise base tube 1, kovar alloy 6, cloche 5 and bellows 8, it is characterized in that, the outer wall of described base tube 1 is disposed with absorber coatings 2, antireflection coatings 3 from inside to outside; Described cloche 5 internal fixtion is arranged with base tube 1 and is positioned at absorber coatings 2 and the antireflection coatings 3 of base tube 1 outer wall; The top of described cloche 5 is provided with bleeding point 9, after vacuumizing, forms vacuum heat-insulating layer 4 in described cloche 5;
Cloche 5 is fixed on bellows 8 two ends by described kovar alloy 6;
Described base tube 1 material is stainless steel; The longitudinal section of described base tube 1 is circular;
Vacuum indicating device 7 is provided with above described cloche 5;
Described absorber coatings 2 is the ceramic composite of tungsten, cobalt, described absorber coatings 2 according to mass fraction 10 parts meter, wherein 3 parts, tungsten, cobalt 7 parts;
Described antireflection coatings 3 is chromium oxide coating;
The thickness of described absorber coatings 2 is 25 μm, and the thickness of described antireflection coatings 3 is 20 μm;
Preferably, the thickness of described absorber coatings 2 is 15 μm, and the thickness of described antireflection coatings 2 is 15 μm.
Vacuum high-temperature solar energy heat collection pipe operates in accordance with the following steps:
(1) HVAF technology spraying absorber coatings 2 is adopted: tungsten powder and cobalt powder are sent into feed bin in after the ratio mixing of 3:7 by pressure-air, again fuel gas and combustion-supporting gas are together entered combustion chamber, reach more than 1000 DEG C pyrolytic coatings instantaneously on the outer wall of stainless steel base tube 1, the thickness of absorber coatings 2 is 25 μm, and continuous production processes completes in tunnel cave;
(2) then on absorber coatings 2, apply chromium oxide coating as antireflection coatings 3 by collosol craft, the thickness of antireflection coatings 3 is 20 μm;
(3) outside the stainless steel base tube having applied absorber coatings 2, antireflection coatings 3, add kovar alloy and cloche, vacuumize.
Embodiment 6
A kind of vacuum high-temperature solar energy heat collection pipe, comprise base tube 1, kovar alloy 6, cloche 5 and bellows 8, it is characterized in that, the outer wall of described base tube 1 is disposed with absorber coatings 2, antireflection coatings 3 from inside to outside; Described cloche 5 internal fixtion is arranged with base tube 1 and is positioned at absorber coatings 2 and the antireflection coatings 3 of base tube 1 outer wall; The top of described cloche 5 is provided with bleeding point 9, after vacuumizing, forms vacuum heat-insulating layer 4 in described cloche 5;
Cloche 5 is fixed on bellows 8 two ends by described kovar alloy 6;
Described base tube 1 material is stainless steel; The longitudinal section of described base tube 1 is circular;
Vacuum indicating device 7 is provided with above described cloche 5;
Described absorber coatings 2 is the ceramic composite of tungsten, cobalt, described absorber coatings 2 according to mass fraction 10 parts meter, wherein 4 parts, tungsten, cobalt 6 parts;
Described antireflection coatings 3 is tin dioxide coatings;
The thickness of described absorber coatings 3 is 25 μm, and the thickness of described antireflection coatings 3 is 25 μm;
Vacuum high-temperature solar energy heat collection pipe operates in accordance with the following steps:
(1) HVAF technology spraying absorber coatings 2 is adopted: tungsten powder and cobalt powder are sent into feed bin in after the ratio mixing of 2:8 by pressure-air, again fuel gas and combustion-supporting gas are together entered combustion chamber, reach more than 1000 DEG C pyrolytic coatings instantaneously on the outer wall of stainless steel base tube 1, the thickness of absorber coatings 2 is 25 μm, and continuous production processes completes in tunnel cave;
(2) then on absorber coatings 2, pass through collosol craft covering aluminum oxide coating, then apply chromium oxide coating in the outside of aluminum oxide coating layer as antireflection coatings 3, the thickness of antireflection coatings 3 is 25 μm;
(3) outside the stainless steel base tube having applied absorber coatings 2, antireflection coatings 3, add kovar alloy and cloche, vacuumize.
The present invention is as follows through performance test results:
(1) thermal shock test: 550 DEG C of thermal shock tests are carried out to the product in embodiment 1-6, at 550 DEG C, thermal-collecting tube coating stable, heat shock resistance number of times reaches 3000 times, long service life, resistance to 550 DEG C of high temperature;
(2) thermal absorptivity measures: according to absorptivity α=0.95 and emissivity ε=0.02 of GB/T6424-1997 flat plate solar collector technical conditions detected set heat pipe coating, it can thus be appreciated that, the thermal absorptivity of product of the present invention is very high, and thermal radiation loss is very little.
Above 6 embodiments of the present invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (9)
1. a vacuum high-temperature solar energy heat collection pipe, comprises base tube, kovar alloy, cloche and bellows, it is characterized in that, the outer wall of described base tube is disposed with absorber coatings, antireflection coatings from inside to outside; Described cloche internal fixtion is arranged with base tube and is positioned at absorber coatings and the antireflection coatings of base tube outer wall; The top of described cloche is provided with bleeding point, after vacuumizing, forms vacuum heat-insulating layer in described cloche; Cloche is fixed on bellows two ends by described kovar alloy;
Described absorber coatings is the ceramic composite of nickel, the ceramic composite of molybdenum or tungsten, cobalt;
Described antireflection coatings is the one or more combination in aluminum oxide coating layer, chromium oxide coating, tin dioxide coatings;
The thickness of described absorber coatings is 10-25 μm, and the thickness of described antireflection coatings is 10-25 μm.
2. a kind of vacuum high-temperature solar energy heat collection pipe according to claim 1, is characterized in that, described absorber coatings is the ceramic composite of nickel, molybdenum.
3. a kind of vacuum high-temperature solar energy heat collection pipe according to claim 2, is characterized in that, described absorber coatings, and according to mass fraction 10 parts meter, wherein nickel is 6-8 part, molybdenum is 2-4 part.
4. a kind of vacuum high-temperature solar energy heat collection pipe according to claim 1, is characterized in that, described absorber coatings is the ceramic composite of tungsten, cobalt.
5. a kind of vacuum high-temperature solar energy heat collection pipe according to claim 4, is characterized in that, described absorber coatings is according to mass fraction 10 parts meter, and wherein tungsten is 2-3 part, cobalt is 7-8 part.
6. a kind of vacuum high-temperature solar energy heat collection pipe according to claim 1, is characterized in that, the preferred thickness of described absorber coatings is 15 μm, and the preferred thickness of described antireflection coatings is 15 μm.
7. a kind of vacuum high-temperature solar energy heat collection pipe according to claim 1, is characterized in that, described base tube material is stainless steel.
8. a kind of vacuum high-temperature solar energy heat collection pipe according to claim 1, is characterized in that, the longitudinal section of described base tube is circular.
9. a kind of vacuum high-temperature solar energy heat collection pipe according to claim 1, is characterized in that, be provided with vacuum indicating device above described cloche.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956955.9A CN105509349A (en) | 2015-12-18 | 2015-12-18 | Vacuum high-temperature solar heat collecting tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956955.9A CN105509349A (en) | 2015-12-18 | 2015-12-18 | Vacuum high-temperature solar heat collecting tube |
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| CN105509349A true CN105509349A (en) | 2016-04-20 |
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| CN201510956955.9A Pending CN105509349A (en) | 2015-12-18 | 2015-12-18 | Vacuum high-temperature solar heat collecting tube |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898047A (en) * | 2017-12-08 | 2019-06-18 | 北京有色金属研究总院 | A kind of preparation method of high-temperature vacuum heat-collecting tube end high reflection heat insulating coat |
| CN111964280A (en) * | 2020-09-23 | 2020-11-20 | 白果科技股份公司 | Novel heat-collecting plate convenient for pipeline layout |
| CN114315166A (en) * | 2021-12-17 | 2022-04-12 | 常州龙腾光热科技股份有限公司 | Glass sleeve coating structure of vacuum heat collecting tube and preparation method thereof |
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| CN101886847A (en) * | 2009-05-11 | 2010-11-17 | 范天方 | Medium-high temperature solar thermal collector tube |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109898047A (en) * | 2017-12-08 | 2019-06-18 | 北京有色金属研究总院 | A kind of preparation method of high-temperature vacuum heat-collecting tube end high reflection heat insulating coat |
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| CN111964280A (en) * | 2020-09-23 | 2020-11-20 | 白果科技股份公司 | Novel heat-collecting plate convenient for pipeline layout |
| CN114315166A (en) * | 2021-12-17 | 2022-04-12 | 常州龙腾光热科技股份有限公司 | Glass sleeve coating structure of vacuum heat collecting tube and preparation method thereof |
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Application publication date: 20160420 |