CN1641288A - Chamber type heat absorber - Google Patents
Chamber type heat absorber Download PDFInfo
- Publication number
- CN1641288A CN1641288A CNA2004100006502A CN200410000650A CN1641288A CN 1641288 A CN1641288 A CN 1641288A CN A2004100006502 A CNA2004100006502 A CN A2004100006502A CN 200410000650 A CN200410000650 A CN 200410000650A CN 1641288 A CN1641288 A CN 1641288A
- Authority
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- China
- Prior art keywords
- coil pipe
- heat
- inner coil
- absorber
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 41
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 241001270131 Agaricus moelleri Species 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 7
- 230000008676 import Effects 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000011160 research Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- AFYCEAFSNDLKSX-UHFFFAOYSA-N coumarin 460 Chemical compound CC1=CC(=O)OC2=CC(N(CC)CC)=CC=C21 AFYCEAFSNDLKSX-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001983 electron spin resonance imaging Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- HEQBUZNAOJCRSL-UHFFFAOYSA-N iron(ii) chromite Chemical compound [O-2].[O-2].[O-2].[Cr+3].[Fe+3] HEQBUZNAOJCRSL-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- 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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- Photovoltaic Devices (AREA)
Abstract
The invention relates to a type of lumen-style thermal absorber, which is composed of shell body, lighting mouth, inner coil pipe and working medium in it. The inner coil pipe is made of copper tubing. There is the lighting shield fixed around the lighting mouth lying on flat-roofed taper bottom plate. Exit of the inner coil pipe is fixed on taper superface of the shell body of the thermal absorber while entrance on the bottom plate at the lighting mouth. The shell body of the thermal absorber forms flat-roofed taper. Fins are loaded on the inner coil pipe, which is fixed with the shell body of the thermal absorber according to pipe clamp. The exit and entrance of the inner coil pipe are connected with each other by flange and fixed on the shell body of the thermal absorber, with which connected fixedly the above-mentioned lighting shield according to bolt. The lumen-style thermal absorber adopting copper to be made reduces production cost, enhances its thermal characteristic and it can endure energy flow or warm current with high density. It has simple structure, flexible design and it adds to lighting shield to enhance thermal efficiency further.
Description
Technical field
The heat dump of low temperature heat utilization system in the present invention relates to, particularly a kind of cavity type heat absorber.
Background technology
The hot generation technology of dish formula light gathering solar energy high temperature is the advanced subject of current field of solar energy, USAB at late 1970s to the beginning of the eighties by Sweden, the Advanco Corporation of the U.S., MDAC, NASA and DOE etc. initiate research, after this German, the scientific research department of countries such as Korea S launches the development of dish formula light collection solar generation technology in succession, the U.S., the research of the scientific research department of Germany and Sweden is primarily aimed at the elevated temperature heat electricity generation system, the heat dump of low temperature heat utilization system during the research of Korea Energy Source Inst is primarily aimed at, light-electricity conversion peak efficiency of having finished model machine is 29.4%, the efficient of heat dump is 65-90%, as document [1] opez, C.W., andStone, K.W., Design and Performance of the Southern California Edison Stirling Dish.ASME Solar Engineering, 1993, Vol.2; Pp.945-952; Document [2] Droher, J.J., and Squier, S.E., Performance of the Vanguard Solar Stirling Engine Module.1986, Electric Power ResearchInstitute, EPRI AP-4608 is described in the July.
Heat dump field at middle low temperature heat utilization system, as document [3] James A.and Terry G, ThermalPerformance of Solar Concentrator/Cavity Receiver Systems.Solar Energy, 1985,34 (2): the 135-142 sunykatuib analysis cylindrical, the flat-top taper, oval, the hot property of 5 kinds of cavity type heat absorbers (as shown in Figure 1) such as spherical and compound flat-top taper, the result shows, according to solar energy energy flow point Butut, the profile that at utmost meets the solar energy distribution is the flat-top taper, promptly clipping the remaining part in circular cone top is the flat-top taper, yet, in the aperture size, under the identical condition of insulation layer thickness, the shape of heat dump cavity has a significant impact the Energy distribution of system, but the overall thermal effectiveness affects to system is also little, document [4] Seo, T., Ryu, S., and Kang, Y., Thermal Performance of the Receivers for the Dish-Type Solar Energy Collecting Systemof Korea Institute of Energy Research.Proceeding of the International Solar EnergyConference, 2000, June 16-21.pp.303-306 labor the hot property of cavity type heat absorber (see figure 1) of flat-top taper and hemisphere cylinder complex, the analysis showed that flat-top taper ratio hemisphere cylinder mixes the good in thermal property of shape heat dump, but to the raising of the overall thermal efficient of system less than 3%, therefore, the cavity type heat absorber of different shape all can not effectively improve hot property.
Summary of the invention
The object of the invention is: in order to improve the thermal efficiency of cavity type heat absorber, thereby provide a kind of cavity type heat absorber that is used in solar energy, the low temperature heat utilization system.
The present invention seeks to realize like this: cavity type heat absorber of the present invention comprises: the working media in flat-top taper heat dump housing, aperture, inner coil pipe and the coil pipe is characterized in that: described inner coil pipe adopts copper tube to make; Be fixed with the daylighting shield on the bottom surface of described heat dump housing, this daylighting shield be positioned at aperture around; The outlet of described inner coil pipe is fixed on the heat dump housing taper end face, and import is fixed on the base plate at aperture place.
First, inner coil pipe adopts copper tube not only to be easy to processing, thermal conductivity factor that the more important thing is copper is 398W/m.K, be 20 times of stainless steel thermal conductivity factor (about 18W/m.K), adopt copper pipe can reduce tube wall and internal flow the temperature difference (under the heat flow density condition, Δ t=q δ/λ, wherein, δ is a pipe thickness, and λ is a thermal conductivity factor, and q is a heat flow density); Say a=λ/(ρ c) from the thermal diffusivity angle, ρ is a density, and c is the specific heat of material, and the thermal diffusivity of copper approximately is stainless 23 times, so, adopt copper tube solar energy can be passed to working media rapidly, improve the hot property of heat dump greatly.Second, around aperture, be provided with the daylighting shield, can select the daylighting shield in different apertures and the size of regulating circular hole for use according to the size of the solar facula that focuses on, to adjust the size of aperture, can effectively reduce reverberation loss, radiation heat loss and the convection heat losses of cavity type heat absorber, to improve the hot property of heat dump.The 3rd, the entry position of heat-conducting medium is placed on the below of heat dump, in flow process, produce bubble after can avoiding heat-conducting medium to enter coil pipe, further improve the hot property of heat dump.
As a further improvement on the present invention, described daylighting shield is the round-meshed plectane in a center, and this daylighting shield will be fixedlyed connected with the heat dump housing around its plectane by bolt, and the circular hole at center forms aperture.
As a further improvement on the present invention, load fin on the described inner coil pipe.Because the heat flux distribution inequality of focused solar, burn than higher regional coil pipe for preventing heat flow density, can load fin on this regional coil pipe increases endotherm area, so that heat dump bears higher heat flow density, to solve too high damage coil pipe of cavity inner wall temperature and absorber coatings.Because the absorber coatings of ability temperature more than 450 ℃ is fewer at present, and price is very high.
Described inner coil pipe is fixed by pipe clamp and heat dump housing.
The import of described inner coil pipe is connected with the heat dump housing by flange with outlet to be fixed.
Described heat dump housing also is provided with a heat-insulation layer outward.In general, heat-insulation layer is thick more, and the heat conduction heat loss is more little, but heat-insulation layer is thick more, and the volume of heat dump is big more, and therefore, the heat-insulation layer that thickness is set is about 50mm is more reasonable.
The inwall of described heat dump housing scribbles absorber coatings, and the coil pipe inwall scribbles coating for selective absorption, can effectively reduce the reverberation loss of heat dump.
Cavity type heat absorber of the present invention is to design according to the energy distributions characteristics behind the sunshine optically focused, in the heat utilization process, aperture is aimed at the focus of focusing sunlight, sunshine after the focusing enters heat-absorbing chamber through aperture, through repeatedly diffuse reflection, solar energy is absorbed by heat-absorbing chamber, passes to the working media that circulates in the heat-absorbing chamber inner coil pipe, be delivered to outside heat transmission equipment again, solar energy is just utilized by efficient absorption.
The invention has the advantages that: the present invention is applicable in the solar energy, the cavity type heat absorber in the low temperature heat utilization system, and inner coil pipe adopts red copper to make, and has improved rate of heat transfer and has promptly improved the hot property of cavity type heat absorber, and reduced production cost; Be provided with the daylighting shield around the aperture, simultaneously, the entry position of heat-conducting medium be placed on the hot property of the below of heat dump with further raising heat dump.In addition, load design that fin improved the energy heat flow density that can bear, pipe clamp and make simple in structure, the flexible design of heat dump, can arbitrarily dismantle, change.
Description of drawings
Fig. 1 is the schematic diagram of several shapes of existing cavity type heat absorber
Fig. 2 is the generalized section of cavity type heat absorber of the present invention
Fig. 3 is the partial schematic diagram of cavity type heat absorber coil pipe mouth of the present invention
Fig. 4 is the structural representation of cavity type heat absorber pipe clamp of the present invention
Fig. 5 is the structural representation of cavity type heat absorber fin of the present invention
Fig. 6 is the upward view of cavity type heat absorber disc type fin of the present invention
Accompanying drawing indicates
1, heat-insulation layer 2, heat dump housing 3, working media outlet
4, working media inlet 5, inner coil pipe 6, aperture
7, focused solar energy 8, heat dump cavity 9, coil pipe mouth
10, bolt 11, flange 12, daylighting shield
13, fin 14, pipe clamp 15, screw
The specific embodiment
Embodiment 1
Make a cavity type heat absorber, as Fig. 2, Fig. 3 and shown in Figure 4, heat dump housing 2 adopts stainless steel material to be made into the flat-top taper, the heat dump housing 2 outer heat-insulation layers 1 that also are provided with, pass through pipe clamp 14 fixing internal coil pipes 5 in the heat dump housing 2, inner coil pipe 5 adopts copper tube to make, the coil pipe mouth 9 of one end is fixed with the base plate of heat dump housing 2 by bolt 10, flange 11, inlet 4 as working media, the coil pipe mouth 9 of the other end is fixed with the top board of heat dump housing 2 by bolt 10, flange 11, as working media outlet 3; One end of pipe clamp 14 is by bolt 10 fixing internal coil pipes 5, and the other end is fixed on heat dump housing 2 by screw 15; Aim at the aperture 6 of focusing sunlight focus and open on the flat-top conical bottom board, by bolt daylighting shield 12 is fixed on the heat dump housing 2 around the aperture 6; Focused solar energy 7 light enter heat dump cavity 8 through aperture 6.
In this example, working media adopts DowthermRP (maximum operating temperature is 385 ℃) conduction oil, and the outer wall of inner coil pipe 5 scribbles the absorber coatings chrome black.
The daylighting shield 12 of this cavity type heat absorber is connected with heat dump housing 2 by bolt 10, and is detachable, and inner coil pipe 5 is fixing with heat dump housing 2 by pipe clamp 14, simple in structure, flexible design; Heat dump of the present invention is designed according to the energy distributions characteristics that form at the place, focal plane behind the dish formula condenser optically focused, and therefore, heat dump of the present invention is applicable to dish formula light and heat collection system, but also can be used for other focusing system.
Make a cavity type heat absorber, as Fig. 5, Fig. 3 and shown in Figure 4, present embodiment is as different from Example 1: in heat flow density than higher zone, be to load disc type fin 13 on the inside coil pipe 5 at top of heat dump, utilize fin 13 to increase endotherm area, make heat dump bear higher heat flow density, to solve too high damage coil pipe of cavity inner wall temperature and absorber coatings.In the practice, because coil pipe is subjected to the influence of tubing bending radius, the top that is difficult in heat dump is provided with coil pipe, and concerning focused solar energy, the heat dump top is the highest zone of energy-flux density often, loads the headroom that fin 13 can make full use of heat dump, and owing to increased fin, promptly increase heat exchange area, can fully improve the hot property of heat dump.
Claims (7)
1, a kind of cavity type heat absorber comprises: the working media in flat-top taper heat dump housing, aperture, inner coil pipe and the coil pipe is characterized in that: described inner coil pipe adopts copper tube to make; Be fixed with the daylighting shield on the bottom surface of described heat dump housing, this daylighting shield be positioned at aperture around; The outlet of described inner coil pipe is fixed on the heat dump housing taper end face, and import is fixed on the base plate at aperture place.
2, by the described cavity type heat absorber of claim 1, it is characterized in that described daylighting shield is the round-meshed plectane in a center, this daylighting shield will be fixedlyed connected with the heat dump housing around its plectane by bolt.
3, by the described cavity type heat absorber of claim 1, it is characterized in that, load fin on the described inner coil pipe.
4, by the described cavity type heat absorber of claim 1, it is characterized in that described inner coil pipe is fixed by pipe clamp and heat dump housing.
5, the described cavity type heat absorber of claim 1 is characterized in that, the import of described inner coil pipe is connected with the heat dump housing by flange with outlet to be fixed.
6, the described cavity type heat absorber of claim 1 is characterized in that, described heat dump housing also is provided with a heat-insulation layer outward.
7, by the described cavity type heat absorber of claim 1, it is characterized in that the inwall of described heat dump housing scribbles absorber coatings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100006502A CN100340821C (en) | 2004-01-15 | 2004-01-15 | Chamber type heat absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100006502A CN100340821C (en) | 2004-01-15 | 2004-01-15 | Chamber type heat absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1641288A true CN1641288A (en) | 2005-07-20 |
| CN100340821C CN100340821C (en) | 2007-10-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100006502A Expired - Lifetime CN100340821C (en) | 2004-01-15 | 2004-01-15 | Chamber type heat absorber |
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| Country | Link |
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| CN (1) | CN100340821C (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788199A (en) * | 2010-03-24 | 2010-07-28 | 益科博能源科技（上海）有限公司 | Solar receiver |
| CN102032549A (en) * | 2010-12-31 | 2011-04-27 | 西安交通大学 | Starting and operating protection system of solar cavity type heat absorber |
| CN102109164A (en) * | 2011-01-13 | 2011-06-29 | 西安交通大学 | Cavity-type solar direct current steam boiler |
| CN101706161B (en) * | 2009-11-25 | 2011-09-14 | 哈尔滨工业大学 | Cavity type solar heat absorber provided with optical window |
| CN102252433A (en) * | 2011-05-09 | 2011-11-23 | 湘潭电机股份有限公司 | Dish type solar energy thermal power generation system and heat collector thereof |
| CN102297040A (en) * | 2010-06-23 | 2011-12-28 | 中国科学院工程热物理研究所 | Heat-collecting head used for solar Stirling engine |
| CN102425862A (en) * | 2011-08-15 | 2012-04-25 | 哈尔滨工业大学 | Conical heat absorber with inward-convex bottom surface, regular and flat top and an optical window containing selective penetrating coating layer |
| WO2012055160A1 (en) * | 2010-10-24 | 2012-05-03 | Zhang Xianfeng | Light-locking solar thermal collector and light-locking solar thermal collecting method |
| CN102538237A (en) * | 2010-12-09 | 2012-07-04 | 杭州三花研究院有限公司 | Solar heat exchanging system and heat collector thereof |
| CN102589160A (en) * | 2012-03-06 | 2012-07-18 | 哈尔滨工业大学 | Cylindrical and conical composite cavity type solar heat absorber |
| WO2012152189A1 (en) * | 2011-05-09 | 2012-11-15 | 湘潭电机力源模具有限公司 | Dish-type solar thermal power generation system and heat collector thereof |
| CN103344050A (en) * | 2013-07-02 | 2013-10-09 | 浙江大学 | Solar cavity heat absorber with semi-open-type transparent aperture hole cover and method thereof |
| CN105485944A (en) * | 2016-01-15 | 2016-04-13 | 湖南科技大学 | Geometrical shape dynamic adjustment device of receiving window of solar cavity type heat absorber |
| CN105758020A (en) * | 2016-03-10 | 2016-07-13 | 浙江大学 | Heat absorber phase-change material heat-preservation method and device for tower type solar thermal power plant |
| CN108180660A (en) * | 2018-01-31 | 2018-06-19 | 华南理工大学 | A kind of three hot composite volume formula solar heat absorbers |
| CN109539606A (en) * | 2018-12-14 | 2019-03-29 | 华南理工大学 | Built-in positive tetrahedron chamber pond boiling type solar heat absorber, solar thermal energy high temperature absorbs and storage method |
| CN111023589A (en) * | 2019-12-11 | 2020-04-17 | 中国科学院电工研究所 | Small point focusing solar tube type pressure-bearing air heat absorber |
| CN111156720A (en) * | 2020-02-24 | 2020-05-15 | 南京工程学院 | Solar energy receiving device of butterfly type solar energy test bed |
| CN111578765A (en) * | 2020-04-25 | 2020-08-25 | 哈尔滨锅炉厂有限责任公司 | Coiled pipe type heat absorber with internal threaded pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4479485A (en) * | 1982-04-14 | 1984-10-30 | The United States Of America As Represented By The United States Department Of Energy | Power efficiency for very high temperature solar thermal cavity receivers |
| CN2119615U (en) * | 1992-05-13 | 1992-10-21 | 皇品工业有限公司 | Dish solar heater |
| IL112658A (en) * | 1995-02-15 | 1998-08-16 | Yeda Res & Dev | Central solar receiver with a multicomponent working medium |
| CN1304795C (en) * | 2000-12-29 | 2007-03-14 | 耶达研究与开发有限公司 | Central solar energy acceptor |
| CN2679593Y (en) * | 2004-01-17 | 2005-02-16 | 中国科学院工程热物理研究所 | Chamber type heat sink |
-
2004
- 2004-01-15 CN CNB2004100006502A patent/CN100340821C/en not_active Expired - Lifetime
Cited By (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101706161B (en) * | 2009-11-25 | 2011-09-14 | 哈尔滨工业大学 | Cavity type solar heat absorber provided with optical window |
| CN101788199A (en) * | 2010-03-24 | 2010-07-28 | 益科博能源科技（上海）有限公司 | Solar receiver |
| CN102297040A (en) * | 2010-06-23 | 2011-12-28 | 中国科学院工程热物理研究所 | Heat-collecting head used for solar Stirling engine |
| WO2012055160A1 (en) * | 2010-10-24 | 2012-05-03 | Zhang Xianfeng | Light-locking solar thermal collector and light-locking solar thermal collecting method |
| CN102538237B (en) * | 2010-12-09 | 2013-10-16 | 杭州三花研究院有限公司 | Solar heat exchanging system and heat collector thereof |
| CN102538237A (en) * | 2010-12-09 | 2012-07-04 | 杭州三花研究院有限公司 | Solar heat exchanging system and heat collector thereof |
| CN102032549B (en) * | 2010-12-31 | 2013-05-22 | 西安交通大学 | Starting and operating protection system of solar cavity type heat absorber |
| CN102032549A (en) * | 2010-12-31 | 2011-04-27 | 西安交通大学 | Starting and operating protection system of solar cavity type heat absorber |
| CN102109164B (en) * | 2011-01-13 | 2013-08-14 | 西安交通大学 | Cavity-type solar direct current steam boiler |
| CN102109164A (en) * | 2011-01-13 | 2011-06-29 | 西安交通大学 | Cavity-type solar direct current steam boiler |
| CN102252433A (en) * | 2011-05-09 | 2011-11-23 | 湘潭电机股份有限公司 | Dish type solar energy thermal power generation system and heat collector thereof |
| WO2012152189A1 (en) * | 2011-05-09 | 2012-11-15 | 湘潭电机力源模具有限公司 | Dish-type solar thermal power generation system and heat collector thereof |
| CN102252433B (en) * | 2011-05-09 | 2013-05-08 | 湘潭电机股份有限公司 | Dish type solar energy thermal power generation system and heat collector thereof |
| CN102425862B (en) * | 2011-08-15 | 2013-03-13 | 哈尔滨工业大学 | Conical heat absorber with inward-convex top surface of optical window containing selective penetrating coating layer |
| CN102425862A (en) * | 2011-08-15 | 2012-04-25 | 哈尔滨工业大学 | Conical heat absorber with inward-convex bottom surface, regular and flat top and an optical window containing selective penetrating coating layer |
| CN102589160B (en) * | 2012-03-06 | 2013-04-24 | 哈尔滨工业大学 | Cylindrical and conical composite cavity type solar heat absorber |
| CN102589160A (en) * | 2012-03-06 | 2012-07-18 | 哈尔滨工业大学 | Cylindrical and conical composite cavity type solar heat absorber |
| CN103344050A (en) * | 2013-07-02 | 2013-10-09 | 浙江大学 | Solar cavity heat absorber with semi-open-type transparent aperture hole cover and method thereof |
| CN105485944A (en) * | 2016-01-15 | 2016-04-13 | 湖南科技大学 | Geometrical shape dynamic adjustment device of receiving window of solar cavity type heat absorber |
| CN105485944B (en) * | 2016-01-15 | 2017-04-12 | 湖南科技大学 | Geometrical shape dynamic adjustment device of receiving window of solar cavity type heat absorber |
| CN105758020A (en) * | 2016-03-10 | 2016-07-13 | 浙江大学 | Heat absorber phase-change material heat-preservation method and device for tower type solar thermal power plant |
| CN108180660A (en) * | 2018-01-31 | 2018-06-19 | 华南理工大学 | A kind of three hot composite volume formula solar heat absorbers |
| CN108180660B (en) * | 2018-01-31 | 2024-05-10 | 华南理工大学 | Three-heat composite positive displacement solar heat absorber |
| CN109539606A (en) * | 2018-12-14 | 2019-03-29 | 华南理工大学 | Built-in positive tetrahedron chamber pond boiling type solar heat absorber, solar thermal energy high temperature absorbs and storage method |
| CN111023589A (en) * | 2019-12-11 | 2020-04-17 | 中国科学院电工研究所 | Small point focusing solar tube type pressure-bearing air heat absorber |
| CN111023589B (en) * | 2019-12-11 | 2021-05-07 | 中国科学院电工研究所 | Small point focusing solar tube type pressure-bearing air heat absorber |
| CN111156720A (en) * | 2020-02-24 | 2020-05-15 | 南京工程学院 | Solar energy receiving device of butterfly type solar energy test bed |
| CN111578765A (en) * | 2020-04-25 | 2020-08-25 | 哈尔滨锅炉厂有限责任公司 | Coiled pipe type heat absorber with internal threaded pipe |
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| Publication number | Publication date |
|---|---|
| CN100340821C (en) | 2007-10-03 |
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