CN201166474Y - Calandria solar energy high temperature receiver - Google Patents
Calandria solar energy high temperature receiver Download PDFInfo
- Publication number
- CN201166474Y CN201166474Y CNU2008200308510U CN200820030851U CN201166474Y CN 201166474 Y CN201166474 Y CN 201166474Y CN U2008200308510 U CNU2008200308510 U CN U2008200308510U CN 200820030851 U CN200820030851 U CN 200820030851U CN 201166474 Y CN201166474 Y CN 201166474Y
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- China
- Prior art keywords
- solar energy
- heat
- energy high
- receiving tube
- calandria
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- 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.)
- Expired - Fee Related
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
Abstract
The utility model discloses a calandria type solar energy high temperature acceptor, which belongs to the solar energy utilizing technical field. The acceptor comprises a heat absorbing tank body with an opening on one end which absorbs light, wherein an accepting surface is arranged and a heat absorbing cavity is formed in the heat absorbing tank body, a heat insulating layer and an outer shell are wrapped on the heat absorbing tank body, a group of accepting tubes are threaded through the heat absorbing cavity of the heat absorbing tank body, one end of the heat absorbing tube is a working medium inlet which is threaded through one side of the heat absorbing tank body, and the other end is a working medium outlet which is threaded through the other side of the heat absorbing tank body. The solar energy acceptor is convenient for being applied in large scale projects and is beneficial for propelling the development of the solar energy utilizing industry since the solar energy acceptor has rational accepting tube distribution, good heat transfer performance, simple manufacture and lower cost.
Description
Technical field
The utility model relates to a kind of solar energy high-temperature receiver, and especially a kind of calandria solar energy high-temperature receiver that can be used for solar heat power generation system belongs to technical field of solar utilization technique.
Background technology
Solar energy thermal-power-generating is a kind of effective way that solves current energy problem.And receiver is the core devices of solar heat power generation system.Existing high temperature solar receiver can be divided into two kinds of forms: the outside is subjected to light type and cavity type.By contrast, the former heat loss is bigger, and temperature is lower, generally below 600 degree; And cavity type receiver temperature is higher, is suitable for the high-temperature solar generating of high concentration ratio, as tower, disc type solar energy heat generating system.The development trend of cavity receiver is: the working medium temperature parameter is more and more higher, is more suitable for the gas turbine power generation circulation in modern high-temperature parameter like this.
In the world at present cavity type receivers that adopt, its photo-thermal conversion ratio can reach more than 90% more.Wherein disc type solar energy heat generating optically focused is than high, and generally between 500～6000, thereby the energy per unit area that arrives on the receiver is very high.Because existing this type of receiver is subjected to the skewness of light and cold fluid, in receiver, easily produce " focus ", gently then damage receiver, heavy then destroy whole system, produce security incident, so the generating of disc type solar energy heat is limited by the technical problem of receiver, is difficult to apply.
The utility model content
The purpose of this utility model is: at the problem that above prior art exists, proposes a kind ofly to be subjected to light and the cold fluid calandria solar energy high-temperature receiver uniformly that distributes rationally, thereby elimination " focus " phenomenon makes it be able to practical applying.
To achieve these goals, the technical solution of the utility model is: a kind of calandria solar energy high-temperature receiver, comprise that an end opening advances the heat absorption casing of light, have receiving plane and form heat-absorbing chamber in the described heat absorption casing, external heat-insulation layer and the shell of being surrounded by of described endothermic box, pass through a group of received pipe in the heat-absorbing chamber of described heat absorption casing, the working media inlet of an end of described receiving tube for passing, the working media outlet of the other end for passing from heat absorption casing opposite side from heat absorption casing one side.
It is that described receiving tube is provided with the fin that increases receiving area that the utility model further improves.
Like this, calandria structure by appropriate design, solved and be subjected to light and cold fluid distributing homogeneity problem in the solar energy high-temperature receiver, eliminated " focus " phenomenon, the advantage that not only has good heat-transfer, and make simply, cost is lower, therefore be convenient to large-scale engineering applications, help promoting the development of solar thermal utilization industry.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the utility model embodiment one.
Fig. 2 is the structural representation of the utility model embodiment two.
Fig. 3 is the structural representation of the utility model embodiment three.
Fig. 4 is the structural representation of the utility model embodiment four.
Fig. 5 is the structural representation of the utility model embodiment five.
Fig. 6 is the structural representation of the utility model embodiment six.
The specific embodiment
Embodiment one
The calandria solar energy high-temperature receiver of present embodiment forms heat-absorbing chamber 1 in the heat absorption casing 3 as shown in Figure 1, has receiving plane 2 in the heat-absorbing chamber, heat absorption casing 3 outer heat-insulation layer and the shells 4 of coating.Heat absorption casing 3 one end openings are equipped with clear glass 8.
Receiving plane 2 essence are formed (radical of receiving tube 7 can be set according to concrete needs) by seven receiving tubes 7, each receiving tube is straight pipe, be arranged in parallel along cambered surface, run through heat-absorbing chamber 1, its inner stream has working media, and an end is a working media inlet 5, passes from heat absorption casing 3 one sides, the other end is working media outlet 6, passes from heat absorption casing opposite side.On the every receiving tube 7 fin that increases its receiving area is arranged all.Fin both can be homogeneous texture, also can be helical structure, both can add man-hour and receiving tube simultaneously disjunctor be processed to form, also the mode of available hot pressing tightly is enclosed within on the receiving tube 7.Receiving tube 7 and fin surface thereof scribble high temperature solar absorber coatings 10.
Planar transparent cloche 8 links to each other with the opening part sealing of heat absorption casing 3, constitutes seal chamber.During use, heat-absorbing chamber inside is vacuumized or be full of inert gas (as nitrogen etc.),, reduce the heat loss of solar receiver with protection high temperature solar absorber coatings 10 by vacuum lead 9.Planar transparent cloche 8 also can be replaced by spill glass or convex glass.The outside of heat-absorbing chamber 1 is covered by heat-insulation layer and shell 4, has not only reduced the heat exchange amount of heat-absorbing chamber and outside air, has further reduced the heat loss of solar receiver, and has fixedly strengthened the body structure of receiver.
The transparent glass cover of the heat-absorbing chamber openend outside also is provided with the CPC composite curved surface concentrator of being made up of the polylith speculum 11 in the present embodiment, increased the incident angle of light of solar receiver reception sunshine, 10 absorptances that increase solar receiver of high temperature solar absorber coatings on receiving tube 7 and the fin thereof, by CPC concentrator 11 and high temperature solar absorber coatings 10, reduce the photo-thermal loss of solar energy high-temperature receiver, made its photo-thermal conversion ratio greatly improve.
In order to strengthen the heat exchange effect of receiving tube 7 and the working media of its internal flow, can in receiving tube 7, increase the screw type turbulence structure, to increase the heat exchange area of working media and receiving tube 7, strengthen the heat exchange property of receiver, further improve the outlet temperature of working media.
Calandria solar energy high-temperature receiver of the present utility model since appropriate design calandria receive structure, therefore simple for production, with low cost, help the large-scale production of calandria solar energy high-temperature receiver, will promote the development of solar energy thermal-power-generating technology.
Embodiment two
The basic structure of present embodiment and embodiment one is identical substantially, and the receiving tube that its main distinction is to form receiver receiving plane 2 is arranged by cambered surface and become the plane and arrange.
As shown in Figure 2, seven receiving tubes are linearly, run through heat-absorbing chamber 1 along same plane parallel.As required, also can receiving tube 7 is parallel in heat-absorbing chamber 1 along the Different Plane staggered floor.
The calandria solar energy high-temperature receiver of present embodiment is because receiving tube 7 adopts the plane to arrange, so processing and manufacturing is more easy, can further reduce cost, and is convenient to through engineering approaches and applies.
Embodiment three
Present embodiment is identical substantially with the basic structure of embodiment one, and its main distinction is that the receiving tube of forming receiver receiving plane 2 becomes Qu Yuanguan by straight pipe.
As shown in Figure 3, seven curved shapes of receiving tube 7 bendings, in heat-absorbing chamber 1, this structure has further increased receiving area by crooked receiving tube 7, makes the heat exchange property of receiver further improve side by side.
The calandria solar energy high-temperature receiver of present embodiment increases heat exchange property and the cost performance that has improved receiver under few situation comparatively significantly owing to adopt the receiving tube of curve shape at cost, and the scale that helps solar energy high-temperature receiver is used.
Embodiment four
Present embodiment is identical substantially with the basic structure of embodiment one, and its main distinction is that the receiving tube of forming receiver receiving plane 2 becomes the odd-shaped cross section pipe by circular tube structure.
As shown in Figure 4, the receiving tube 7 that present embodiment adopts is the diamond-shaped cross-section straight square tube, and seven straight square tubes are parallel in the heat-absorbing chamber side by side.In fact in the processing and implementation process,, also can adopt different structures such as flat tube, oval pipe according to the needs of dissimilar receivers.
The calandria solar energy high-temperature receiver of present embodiment adopts the receiver processing and fabricating of Nogata tubular-shaped structures easy, helps reducing the cost of solar energy high-temperature receiver, is convenient to through engineering approaches and promotes.
Embodiment five
The basic structure of present embodiment and embodiment four is identical substantially, and the receiving tube that its main distinction is to form receiver receiving plane 2 is the odd-shaped cross section pipe that fin structure is arranged.
As shown in Figure 5, the receiving tube 7 that present embodiment adopts is the Nogata tubular-shaped structures, and seven Nogata tubular-shaped structures are parallel in the heat-absorbing chamber 1, wherein side by side, the fin that increases its receiving area is all arranged on each receiving tube 7, and this fin is for inserting the column structure of receiving tube 7 inside.During design, the size dimension of column fin and the density situation of arranging can be determined according to the specific design parameter of receiver.
The tubular receiving tube of Nogata that the calandria solar energy high-temperature receiver of present embodiment adopts is not only simple for production, and because of it has adopted the column fin structure that inserts receiving tube inside, make that the heat transfer property of receiver is necessarily promoted, further improved the cost performance of receiver.
Embodiment six
Present embodiment is identical substantially with the basic structure of embodiment five, and its main distinction is that the receiving tube of forming receiver receiving plane 2 becomes Qu Fangguan shape structure by the Nogata tubular-shaped structures.
As shown in Figure 6, the receiving tube 7 that present embodiment adopts is bent into curve shape, and in heat-absorbing chamber 1, this structure has further increased receiving area by crooked receiving tube 7, makes the heat exchange property of receiver further improve.
The calandria solar energy high-temperature receiver of present embodiment increases heat exchange property and the cost performance that has improved receiver under few situation comparatively significantly owing to adopt the receiving tube of curve shape at cost.
All adopted same tubing as receiving tube among above-mentioned six embodiment; can certainly intert and adopt dissimilar tubing as receiving tube; for example in embodiment four; can adopt two pipes; similarly conversion such as two square tubes, three oval pipes; fin structure on every tubing also differs and is decided to be same size shape; can adopt different sizes and structure; for example from middle height and thickness-tapered to the both sides fin; and the density that distributes such as increases progressively at similar variation pattern, and these are all within protection domain of the present utility model.
Claims (9)
1. calandria solar energy high-temperature receiver, comprise that an end opening advances the heat absorption casing of light, have receiving plane and form heat-absorbing chamber in the described heat absorption casing, external heat-insulation layer and the shell of being surrounded by of described endothermic box, it is characterized in that: pass through a group of received pipe in the heat-absorbing chamber of described heat absorption casing, the working media inlet of one end of described receiving tube for passing from heat absorption casing one side, the working media outlet of the other end for passing from heat absorption casing opposite side.
2. calandria solar energy high-temperature receiver as claimed in claim 1 is characterized in that: described receiving tube is provided with the fin that increases receiving area.
3. calandria solar energy high-temperature receiver as claimed in claim 2, it is characterized in that: the opening part of described heat absorption casing is equipped with transparent glass cover, the described transparent glass cover outside is provided with the concentrator that is made of one group of speculum, vacuumizes in the described heat-absorbing chamber or is full of inert gas.
4. calandria solar energy high-temperature receiver as claimed in claim 3 is characterized in that: described receiving tube and fin surface scribble high temperature solar and select absorber coatings.
5. calandria solar energy high-temperature receiver as claimed in claim 4 is characterized in that: described fin is arranged in parallel, and hot pressing tightly is enclosed within on the receiving tube.
6. calandria solar energy high-temperature receiver as claimed in claim 4 is characterized in that: described fin is a helical structure, is connected as a single entity with receiving tube.
7. as claim 5 or 6 described calandria solar energy high-temperature receivers, it is characterized in that: described receiving tube is a pipe, is arranged in parallel along cambered surface or staggered floor.
8. as claim 4 described calandria solar energy high-temperature receivers, it is characterized in that: described fin is a column structure, is connected as a single entity with receiving tube.
9. as claim 8 described calandria solar energy high-temperature receivers, it is characterized in that: straight square tube that described receiving tube is arranged side by side or Qu Fangguan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200308510U CN201166474Y (en) | 2008-01-14 | 2008-01-14 | Calandria solar energy high temperature receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200308510U CN201166474Y (en) | 2008-01-14 | 2008-01-14 | Calandria solar energy high temperature receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166474Y true CN201166474Y (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200308510U Expired - Fee Related CN201166474Y (en) | 2008-01-14 | 2008-01-14 | Calandria solar energy high temperature receiver |
Country Status (1)
| Country | Link |
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| CN (1) | CN201166474Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104272035A (en) * | 2012-04-26 | 2015-01-07 | 斯坦陵布什大学 | Solar power tower receiver |
| CN105066479A (en) * | 2015-08-31 | 2015-11-18 | 华南理工大学 | Composite cavity type solar absorber |
| CN106766265A (en) * | 2017-03-08 | 2017-05-31 | 华北电力大学（保定） | Unilateral longitudinal Vortex optimizes the tower type solar receiver in flow field |
-
2008
- 2008-01-14 CN CNU2008200308510U patent/CN201166474Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104272035A (en) * | 2012-04-26 | 2015-01-07 | 斯坦陵布什大学 | Solar power tower receiver |
| CN104272035B (en) * | 2012-04-26 | 2017-03-01 | 斯坦陵布什大学 | Tower type solar receptor |
| CN105066479A (en) * | 2015-08-31 | 2015-11-18 | 华南理工大学 | Composite cavity type solar absorber |
| CN106766265A (en) * | 2017-03-08 | 2017-05-31 | 华北电力大学（保定） | Unilateral longitudinal Vortex optimizes the tower type solar receiver in flow field |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20120114 |