CN103808032A - Tower solar heat absorption module - Google Patents
Tower solar heat absorption module Download PDFInfo
- Publication number
- CN103808032A CN103808032A CN201210458177.7A CN201210458177A CN103808032A CN 103808032 A CN103808032 A CN 103808032A CN 201210458177 A CN201210458177 A CN 201210458177A CN 103808032 A CN103808032 A CN 103808032A
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- CN
- China
- Prior art keywords
- endothermic tube
- heat
- solar heat
- type solar
- tower type
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention discloses a tower solar heat absorption module, which comprises an upper header (2), a lower header (3), a heat-absorbing tube (5) and a connection pipe (4), wherein the heat-absorbing tube (5) with the coating of 0.127mm to 0.254mm is arranged on the inner side of the upper header (2) and on the inner side of the lower header (3), the upper header (2) and the lower header (3) are connected through the connection pipe (4), the light receiving face of the heat-absorbing tube (5) is coated with a high absorbability selective material, and the high absorbability selective material refers to a Co-Ai2O3 coating or Au-Ai2O3 coating. By applying the tower solar heat absorption module, the influence caused by shielding of the headers and a thermal insulation layer to the heat-absorbing tube is reduced, heat loss is reduced, the effective light receiving area is improved, the smooth density per unit area is reduced, and the device is safer.
Description
Technical field
The present invention relates to a kind of tower type solar heat-absorbing model, belong to tower-type solar thermal power generating system technical field.
Background technology
Solar energy is a kind of clean reproducible new forms of energy, and the parent who is more and more subject to people looks at, and has effect widely in people's life, work, and one of them is converted to electric energy by solar energy exactly, and solar cell utilizes the sun workable exactly.The operation principle in solar heat power station is to utilize the sunshine converging, and water is burnt to seething with excitement and becomes steam, is then used for generating electricity.Heat dump is in tower-type solar thermal power generating system, to realize the key equipment that photo-thermal transforms.
Heat dump single module in the past, header and heat-insulation layer are located on endothermic tube, have sheltered from endothermic tube, endothermic tube adopts circle more, and sun direct projection area is little, is unfavorable for collecting heat, and the exposed aerial part of endothermic tube is long, the impact that purged by cool exterior air, radiation loss is larger.
Summary of the invention
The object of the invention is to, a kind of tower type solar heat dump single module is provided, it can reduce the impact that header and heat-insulation layer block endothermic tube, reduces radiation loss, improves effective area of shining light, reduces the smooth density of unit are, makes equipment safer.
Technical scheme of the present invention: a kind of tower type solar heat-absorbing model, comprise upper collecting chamber, lower header, endothermic tube and connecting pipe, upper collecting chamber and lower header inner side are equipped with the endothermic tube that coating is 0.127mm～0.0254mm, and connect by connecting pipe, endothermic tube sensitive surface scribbles high-absorbable selective material, and described high-absorbable selective material is Co-Ai
2o
3coating or Au-Ai
2o
3coating.Inside upper collecting chamber and lower header, be provided with absorption tube, reduce the impact that header and heat-insulation layer block endothermic tube, not reduced by the direct exposed aerial endothermic tube length of light, the same overwhelming majority of incubator is at present positioned at heat dump cylindrical shell inner side, reduce to be subject to the outer cold air of heat dump cylindrical shell and purged part, reduce the radiation loss of equipment, its photo-thermal transformation efficiency improves, effective area of shining light increases, in the situation that equal-wattage is inputted, the light stream density of unit are reduces, and equipment is safer.Scribble selective coating at endothermic tube sensitive surface, utilize metallic finely divided in parent, the different wave length level photon of visible ray is produced to Multiple Scattering and internal reflection and by its absorption, improve the photo-thermal transformation efficiency of heat dump, do not have cated heat dump photo-thermal transformation efficiency in 70% left and right, cated heat dump photo-thermal transformation efficiency is generally more than 85%.
In aforesaid this tower type solar heat-absorbing model, endothermic tube adopts regular polygon.
In aforesaid this tower type solar heat-absorbing model, on endothermic tube, coating layer thickness is 0.07mm.
In aforesaid this tower type solar heat-absorbing model, be provided with incubator after endothermic tube, upper collecting chamber and lower header are all located in incubator separately.Upper lower header is located in incubator, incubator be arranged in heat dump inner side, be directly connected with inspection platform, convenient maintenance, reduces the cost of overhaul and shortens the repair time.
In aforesaid this tower type solar heat-absorbing model, upper collecting chamber top is provided with a hanging beam, and a hanging beam is connected with incubator.
In aforesaid this tower type solar heat-absorbing model, a hanging beam upper end is provided with supporting mechanism, and upper collecting chamber, lower header and endothermic tube are connected on supporting mechanism by a hanging beam.
In aforesaid this tower type solar heat-absorbing model, in endothermic tube, be provided with heat-carrying working medium.
In aforesaid this tower type solar heat-absorbing model, heat-carrying working medium adopts melts salt, conduction oil or water.
Compared with prior art, inside upper collecting chamber and lower header, be provided with absorption tube, reduce the impact that header and heat-insulation layer block endothermic tube, not reduced by the direct exposed aerial endothermic tube length of light, the same overwhelming majority of incubator is at present positioned at heat dump cylindrical shell inner side, reduce to be subject to the outer cold air of heat dump cylindrical shell and purged part, reduce the radiation loss of equipment, its photo-thermal transformation efficiency improves, effective area of shining light increases, in the situation that equal-wattage is inputted, the light stream density of unit are reduces, and equipment is safer; Due to oiling selective coating, improve the photo-thermal transformation efficiency of heat dump, do not have cated heat dump photo-thermal transformation efficiency in 70% left and right, cated heat dump photo-thermal transformation efficiency is generally more than 85%; Because upper lower header is located in incubator, incubator be arranged in heat dump inner side, be directly connected with inspection platform, convenient maintenance, reduces the cost of overhaul and shortens the repair time.
Under identical appearance size, polygonal endothermic tube effective area of shining light increases, and in the situation that equal-wattage is inputted, the light stream density of unit are reduces, and equipment is safer.With the heat dump of a 45MWt input, height H=7m, diameter D=5.2m, average incident angle is the in the situation that of 30～45 °, and the effective endotherm area increase of the present invention scope is 5～10%.
The heat dump version adopting in the present invention, reduce the impact that header and heat-insulation layer block endothermic tube, not reduced by the direct exposed aerial endothermic tube length of light, the same overwhelming majority of incubator is at present positioned at heat dump cylindrical shell inner side, reduce to be subject to the outer cold air of heat dump cylindrical shell and purged part, reduce the radiation loss of equipment, its photo-thermal transformation efficiency improves, heat dump design photo-thermal transformation efficiency >=88% of version proposed by the invention, average annual photo-thermal transformation efficiency >=82%, approximately improve 3～5 percentage points than the photo-thermal transformation efficiency of other version heat dumps.Design makes upper header structure symmetry like this, the easier balance of resistance between molten salt pipeline, and the resistance disequilibrium in the heat dump version proposing in this patent between the each endothermic tube of single module is less than 10%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of incubator of the present invention and header.
Being labeled as in accompanying drawing: 1-props up hanging beam, 2-upper collecting chamber, 3-lower header, 4-connecting pipe, 5-endothermic tube, 6-incubator, 7-supporting mechanism.
The specific embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation to the present invention's restriction.
Embodiments of the invention 1: as shown in Figure 1, a kind of tower type solar heat-absorbing model, comprise upper collecting chamber 2, lower header 3, endothermic tube 5 and connecting pipe 4, upper collecting chamber 2 is equipped with lower header 3 inner sides the endothermic tube 5 that coating is 0.0254mm, and connect by connecting pipe 4, endothermic tube 5 sensitive surfaces scribble high-absorbable selective material, and described high-absorbable selective material is Co-Ai
2o
3coating.
Prop up hanging beam 1 upper end and be provided with supporting mechanism 7, upper collecting chamber 2, lower header 3 and endothermic tube 5 are connected on supporting mechanism 7 by a hanging beam 1.
In endothermic tube 5, be provided with heat-carrying working medium.Heat-carrying working medium adopts melts salt.
Embodiments of the invention 2: as shown in Figure 1, a kind of tower type solar heat-absorbing model, comprise upper collecting chamber 2, lower header 3, endothermic tube 5 and connecting pipe 4, upper collecting chamber 2 is equipped with lower header 3 inner sides the endothermic tube 5 that coating is 0.127mm～0.07mm, and connect by connecting pipe 4, endothermic tube 5 sensitive surfaces scribble high-absorbable selective material, and described high-absorbable selective material is Co-Ai
2o
3coating.Endothermic tube 5 adopts regular polygon; After endothermic tube 5, be provided with incubator 6, upper collecting chamber 2 and lower header 3 are all located in incubator 6 separately.
Prop up hanging beam 1 upper end and be provided with supporting mechanism 7, upper collecting chamber 2, lower header 3 and endothermic tube 5 are connected on supporting mechanism 7 by a hanging beam 1.
In endothermic tube 5, be provided with heat-carrying working medium.Heat-carrying working medium adopts conduction oil.
Embodiments of the invention 3: as shown in Figure 1, a kind of tower type solar heat-absorbing model, comprise upper collecting chamber 2, lower header 3, endothermic tube 5 and connecting pipe 4, upper collecting chamber 2 is equipped with lower header 3 inner sides the endothermic tube 5 that coating is 0.127mm, and connect by connecting pipe 4, endothermic tube 5 sensitive surfaces scribble high-absorbable selective material, and described high-absorbable selective material is Au-Ai
2o
3coating.
Prop up hanging beam 1 upper end and be provided with supporting mechanism 7, upper collecting chamber 2, lower header 3 and endothermic tube 5 are connected on supporting mechanism 7 by a hanging beam 1.
In endothermic tube 5, be provided with heat-carrying working medium.Heat-carrying working medium adopts water.
Claims (8)
1. a tower type solar heat-absorbing model, it is characterized in that: comprise upper collecting chamber (2), lower header (3), endothermic tube (5) and connecting pipe (4), upper collecting chamber (2) is equipped with the endothermic tube that coating is 0.127mm～0.0254mm (5) with lower header (3) inner side, and connect by connecting pipe (4), endothermic tube (5) sensitive surface scribbles high-absorbable selective material, and described high-absorbable selective material is Co-Ai
2o
3coating or Au-Ai
2o
3coating.
2. a kind of tower type solar heat-absorbing model according to claim 1, is characterized in that: endothermic tube (5) adopts regular polygon.
3. a kind of tower type solar heat-absorbing model according to claim 2, is characterized in that: the upper coating layer thickness of endothermic tube (5) is 0.07mm.
4. a kind of tower type solar heat-absorbing model according to claim 1, is characterized in that: after endothermic tube (5), be provided with incubator (6), upper collecting chamber (2) and lower header (3) are all located in incubator (6) separately.
5. a kind of tower type solar heat-absorbing model according to claim 4, is characterized in that: upper collecting chamber (2) top is provided with a hanging beam (1), and a hanging beam (1) is connected with incubator (6).
6. a kind of tower type solar heat-absorbing model according to claim 5, it is characterized in that: hanging beam (1) upper end is provided with supporting mechanism (7), upper collecting chamber (2), lower header (3) and endothermic tube (5) are connected on supporting mechanism (7) by a hanging beam (1).
7. a kind of tower type solar heat-absorbing model according to claim 1, is characterized in that: endothermic tube is provided with heat-carrying working medium in (5).
8. a kind of tower type solar heat-absorbing model according to claim 7, is characterized in that: heat-carrying working medium adopts melts salt, conduction oil or water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210458177.7A CN103808032A (en) | 2012-11-14 | 2012-11-14 | Tower solar heat absorption module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210458177.7A CN103808032A (en) | 2012-11-14 | 2012-11-14 | Tower solar heat absorption module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103808032A true CN103808032A (en) | 2014-05-21 |
Family
ID=50705171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210458177.7A Pending CN103808032A (en) | 2012-11-14 | 2012-11-14 | Tower solar heat absorption module |
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| Country | Link |
|---|---|
| CN (1) | CN103808032A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520155A (en) * | 2018-11-20 | 2019-03-26 | 深圳东康前海新能源有限公司 | A kind of heat collecting module, heat collector and tower type solar electricity generation system |
-
2012
- 2012-11-14 CN CN201210458177.7A patent/CN103808032A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520155A (en) * | 2018-11-20 | 2019-03-26 | 深圳东康前海新能源有限公司 | A kind of heat collecting module, heat collector and tower type solar electricity generation system |
| CN109520155B (en) * | 2018-11-20 | 2020-08-07 | 深圳中科能投能源有限公司 | Heat collection module, heat collection device and tower type solar power generation system |
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| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140521 |