CN202141223U - Linear Fresnel solar energy collection module - Google Patents
Linear Fresnel solar energy collection module Download PDFInfo
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- CN202141223U CN202141223U CN201120211990U CN201120211990U CN202141223U CN 202141223 U CN202141223 U CN 202141223U CN 201120211990 U CN201120211990 U CN 201120211990U CN 201120211990 U CN201120211990 U CN 201120211990U CN 202141223 U CN202141223 U CN 202141223U
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- heat
- collecting module
- linear fresnel
- collector
- fresnel solar
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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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Abstract
The utility model provides a linear Fresnel solar energy collection module which comprises a reflecting mirror group and a collector, wherein the reflecting mirror group is used for reflecting sunlight to the collector, and comprises a series of mirror surfaces with inconsistent initial angles, the mirror surfaces can track the rotating of the sun under the action of a driving device, the collector adopts a film type wall pipe as a heat absorbing surface, and the upper surface and the lower surface of the film type wall can respectively receive thermal radiation of reflected light, so that materials are saved and the heat conducting effect is improved. In the linear Fresnel solar energy collection module, the whole system is convenient to install and connect.
Description
Technical field
The utility model relates to a kind of solar thermal collector, is meant the linear fresnel solar heat collecting module especially.
Background technology
Linear fresnel solar utilizes system, and (Linear Fresnel Reflector LFR) comprises linear reflective device field and receiver.These linear reflective devices are arranged in parallel adjacent row, and these reflectors can drive to follow the tracks of sun's motion through tracking means simultaneously.The sunshine of these reflector reflects is concentrated to reflex in the receiver that is arranged at these reflector tops, converts solar energy into heat energy through this recipient.
In most of known linear fresnel solar systems,, receive thus by the direct solar radiant energy of reflection of reflector with the be arranged in parallel body shape of forming receiver or tube row is listed in the wall of receiver of pipe.This structure has only a surface to participate in heat absorption, and heat exchange efficiency is lower.Increase endotherm area like need, then can only increase the quantity of heat absorption pipe, thereby cause increase of receiver volume and cost to increase significantly.
Be in the cavity that parabolic surface is formed, to arrange pipe by a kind of known solutions also, though also can utilize the area at the pipe back side to participate in heat absorption, heat exchange efficiency is still lower, and cavity geometry is difficult for making the location.
The utility model content
The purpose of the utility model is to provide a kind of and helps improving heat absorption efficiency, structure is easy to make and installation and low heat collector and the reflector group thereof of cost, to solve the high problem of equipment cost that exists in the prior art.
To achieve these goals, the utility model provides a kind of linear fresnel solar heat collecting module, comprises reflector group and heat collector; Wherein said this reflector group is in order to reflex to sunshine this heat collector; And this heat collector is installed on the top of reflector group through bracing frame, and said reflector group comprises a plurality of speculums, and a plurality of speculums arrange side by side; Each speculum is all rotatable; The rotation of all speculums is parallel to each other, and each speculum is different with the initial angle between the horizontal plane, can be through the drive unit rotation to follow the tracks of the running of the sun.
To achieve these goals; The utility model also provides a kind of heat collector of linear fresnel solar heat collecting module; Said heat collector is welded to each other the membrane wall that forms as heat-absorbent surface by the sheet metal of many steel pipes that are parallel to each other and strip; Be arranged in the position at cardinal principle center in the heat collector, absorb the solar radiation that reflector group reflected and the heat collector inwall repeatedly reflects.
Said heat collector forms heat accumulator jointly by thin plate, metal framework and high transparent glass, and the high reflective wall of heat accumulator inwall can project the membrane wall back side after the radius refraction with membrane wall heat-absorbent surface periphery.
Fill enough thick heat-insulation material between the heat accumulator outer wall of said heat collector and the inwall in order to the minimizing heat loss.
Optional, the membrane wall heat-absorbent surface surface in the heat collector is coated with spectral selective absorbing coating and antireflective coating protective layer successively.
Optional, the rectangular or arch in heat accumulator cross section of heat collector.
Optional, the two ends membrane wall heat-absorbent surface port of heat collector perhaps is welded to flanged (FLGD) collection case that confluxes for the welding mouth of pipe in the heat collecting module.
Owing to adopted technique scheme; Compared with prior art; The utlity model has following advantage: the reflector group of the utility model linear fresnel solar heat collecting module and heat collector can improve the unit conductive heat flow density of heat-absorbent surface, reduce the pressure parts steel consumption; And its structure is easy to manufacture, and is easy for installation, safeguards simply, thereby reduced system cost from integral level.
Description of drawings
Fig. 1 is the utility model linear fresnel solar heat collecting module structural representation.
Fig. 2 is the structural representation of square-section for heat collector in the utility model linear fresnel solar heat collecting module.
Fig. 3 is the structural representation in arch cross section for heat collector in the utility model linear fresnel solar heat collecting module.
Fig. 4 is the structural representation of Type of Welding for heat collector heat-absorbent surface port position in the utility model linear fresnel solar heat collecting module.
Fig. 5 is flanged confluxing to collect the structural representation of case for heat collector heat-absorbent surface port position in the utility model linear fresnel solar heat collecting module.
The specific embodiment
Elaborate below in conjunction with the specific embodiment of accompanying drawing to the utility model.
Please refer to Fig. 1, Fig. 1 is the utility model linear fresnel solar heat collecting module structural representation, and said linear fresnel solar heat collecting module comprises the framework junction part of 1a heat collector, 2 reflector group and support fixation 1a heat collector and 2 reflector group.Said reflector group 2 comprises a plurality of speculums; A plurality of speculums arrange side by side, and each speculum is all rotatable, and the rotation of all speculums is parallel to each other; Each speculum is different with the initial angle between the horizontal plane, can be through the drive unit rotation to follow the tracks of the running of the sun.Reflector group is supported by bedframe 32 and is fixing.Heat collector 1a is installed on the top of reflector group 2 through bracing frame 31, and is strained and fixed through suspension cable 33a and suspension cable 33b.When parallel sun light beam 6 shines on the reflector group 2, the speculum of different angles reflexes to sunshine on the heat collector 1a, the working medium in the heating heat-absorbent surface.
Please refer to Fig. 2 and Fig. 3, Fig. 2 and shown in Figure 3 be the structural representation of two kinds of embodiment of heat collector in the utility model linear fresnel solar heat collecting module.Be wherein a kind of embodiment 1a of heat collector shown in Fig. 2, this heat collector 1a comprises membrane wall heat-absorbent surface 11, high transparent glass 12a and heat accumulator 13a.Be welded to each other and form membrane wall heat-absorbent surface 11 by the sheet metal 112 of two or many steel pipes that are parallel to each other 111 and strip.Membrane wall heat-absorbent surface 11 surfaces can be coated with spectral selective absorbing coating and antireflective coating.This membrane wall heat-absorbent surface 11 is fixed on the framework of heat accumulator 13a through suspension and support 134a, and fixedly secures with suspension cable 33a, 33b through bracing frame shown in Fig. 1 31.High transparent glass 12a is fixed on the heat accumulator 13a through compressing button.Heat accumulator 13a comprises 131a structural framing, 132a outer protecting shell, the high inner reflective wall face of 133a, 134a heat-absorbent surface suspension and support and 135a heat-insulation material etc.In the cross section of the 13a of heat accumulator shown in Fig. 2 is rectangle, and its corresponding assembly 131a structural framing, 132a outer protecting shell, the high inner reflective wall face of 133a all meet the shape of square-section.
Be the another kind of embodiment 1b of heat collector shown in Fig. 3, this heat collector 1b comprises membrane wall heat-absorbent surface 11, high transparent glass 12b and heat accumulator 13b.Be welded to each other and form membrane wall heat-absorbent surface 11 by the sheet metal 112 of two or many steel pipes that are parallel to each other 111 and strip.Membrane wall heat-absorbent surface 11 surfaces can be coated with spectral selective absorbing coating and antireflective coating.This membrane wall heat-absorbent surface 11 is fixed on the framework of heat accumulator 13b through suspension and support 134b, and fixedly secures with suspension cable 33a, 33b through bracing frame shown in Fig. 1 31.High transparent glass 12b is fixed on the heat accumulator 13b through compressing button.Heat accumulator 13b comprises 131b structural framing, 132b outer protecting shell, the high inner reflective wall face of 133b, 134b heat-absorbent surface suspension and support and 135b heat-insulation material etc.In the cross section of the 13b of heat accumulator shown in Fig. 3 is arch, and its corresponding assembly 131b structural framing, 132b outer protecting shell, the high inner reflective wall face of 133b all meet the shape in arch cross section.
As already pointed out; Maybe be along with other factors such as the size of linear fresnel solar heat collecting module and latitudes with membrane wall heat-absorbent surface 11 and change as the form of heat collector 1a and 1b core component; Therefore, be to describe rather than limit in the quantity of the steel pipe 111 of heat absorption shown in Fig. 2 and Fig. 3 and the intention of heat collector cross sectional shape.
Please refer to Fig. 4, Fig. 4 is the structural representation of Type of Welding for heat collector heat-absorbent surface port position in the utility model linear fresnel solar heat collecting module.It shown in Fig. 4 heat accumulator 13a or 13b the following section of looking at membrane wall heat-absorbent surface place.The sheet metal 112 of the strip of membrane wall heat-absorbent surface does not stretch out heat accumulator.At the port of a heat collecting module, heat-absorbent surface steel pipe 111 is connected pipeline with technology and takes welding manner, and steel pipe 111 reserves the pipe joint of certain-length at heat collector 13a or 13b two ends, and according to welding process requirement bevel or square groove are installed.
Please refer to Fig. 5, Fig. 5 is the structural representation of the another kind of embodiment of heat collector heat-absorbent surface port in the utility model linear fresnel solar heat collecting module, and the heat collector two ends are flanged (FLGD) collection case that confluxes among this embodiment.The port type of attachment of heat-absorbent surface steel pipe 111 is for welding with flanged (FLGD) collection case that confluxes.It shown in Fig. 5 heat accumulator 13a or 13b the following section of looking at membrane wall heat-absorbent surface place.At the two ends of a heat collector, heat-absorbent surface steel pipe 111 is taked welding manner with the collection case 113 that confluxes.There is flange base 114 in collection case 113 exits of confluxing, can be connected pipeline UNICOM with technology through flange.At the inlet side of heat collector, medium flows into the collection case 113 that confluxes through flange base 114 in the pipe, is assigned to then in the heat-absorbent surface steel pipe 111; Similar with it, at the outlet side of heat collector, be pooled in the collection case 113 that confluxes behind the medium process heat-absorbent surface steel pipe 111 in the pipe, and flow out through flange base 114.
As already pointed out; The mode of heat-absorbent surface steel pipe 111 and process pipeline UNICOM possibly change along with other factors such as the installation requirement of linear fresnel solar heat collecting module in the heat collector; Therefore, the intention in the steel pipe of heat absorption shown in Fig. 4 and Fig. 5 111 port forms is to describe rather than limit.
Compared with prior art, the utility model uses the membrane wall steel pipe as heat-absorbent surface, and therefore welding strip sheet metal has increased endotherm area as fin between steel pipe, augmentation of heat transfer, but the material consumption that increases is less relatively.Especially increased endotherm area and increased actual internal area in the pipe, can not reduce the intraductal working medium flow velocity, thereby improved intraductal heat transfer, two aspects are improved and have been strengthened heat transfer in the pipe outer tube, have overcome the some shortcomings of prior art.Use the heat accumulator design of heat collector in the utility model; The solar radiation of heat-absorbent surface periphery can project the heat-absorbent surface back side through refraction and reflection; Can improve the utilization rate at the heat-absorbent surface back side; Thereby improved effective absorptivity of reflector group institute reflected sunlight, improved the photo-thermal conversion efficiency of total system.Being welded to connect or the collection case flange connection of confluxing of heat collector port makes things convenient for the equipment installation and maintenance.Above-mentioned each item advantage can improve the photo-thermal conversion efficiency of system and reduce whole cost.
Though the utility model discloses as above with preferred embodiment, the utility model is not to be defined in this.Any those skilled in the art in spirit that does not break away from the utility model and scope, all can do various changes and modification, so the protection domain of the utility model should be as the criterion with claim institute restricted portion.
Claims (8)
1. linear fresnel solar heat collecting module; Comprise reflector group and heat collector, wherein said this reflector group is in order to reflexing to sunshine this heat collector, and this heat collector is installed on the top of reflector group through bracing frame; Said reflector group comprises a plurality of speculums; It is characterized in that: a plurality of speculums arrange side by side, and each speculum is all rotatable, and the rotation of all speculums is parallel to each other; Each speculum is different with the initial angle between the horizontal plane, can be through the drive unit rotation to follow the tracks of the running of the sun.
2. linear fresnel solar heat collecting module as claimed in claim 1; It is characterized in that: its heat collector is welded to each other the membrane wall that forms as heat-absorbent surface by the sheet metal of two or many steel pipes that are parallel to each other and strip; Be arranged in the position at cardinal principle center in the heat collector, absorb solar radiation that reflector group reflected and that the heat collector inwall repeatedly reflects.
3. linear fresnel solar heat collecting module as claimed in claim 2; It is characterized in that: the heat collector of said heat collecting module forms heat accumulator jointly by thin plate, metal framework and high transparent glass, and the high reflective wall of heat accumulator inwall can project the membrane wall heat-absorbent surface back side after the radius refraction with membrane wall heat-absorbent surface periphery.
4. linear fresnel solar heat collecting module as claimed in claim 2 is characterized in that: the heat collector membrane wall heat-absorbent surface surface of heat collecting module is coated with spectral selective absorbing coating and antireflective coating protective layer successively.
5. linear fresnel solar heat collecting module as claimed in claim 2 is characterized in that: the heat collector two ends of said heat collecting module are the welding mouth of pipe.
6. linear fresnel solar heat collecting module as claimed in claim 2 is characterized in that: the heat collector two ends of said heat collecting module are flanged (FLGD) collection case that confluxes.
7. linear fresnel solar heat collecting module as claimed in claim 3 is characterized in that: fill the enough thick heat-insulation material in order to the minimizing heat loss between the heat accumulator outer wall of heat collector and the inwall.
8. linear fresnel solar heat collecting module as claimed in claim 3 is characterized in that: the rectangular or arch in heat accumulator cross section of heat collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120211990U CN202141223U (en) | 2011-06-22 | 2011-06-22 | Linear Fresnel solar energy collection module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120211990U CN202141223U (en) | 2011-06-22 | 2011-06-22 | Linear Fresnel solar energy collection module |
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| Publication Number | Publication Date |
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| CN202141223U true CN202141223U (en) | 2012-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120211990U Expired - Fee Related CN202141223U (en) | 2011-06-22 | 2011-06-22 | Linear Fresnel solar energy collection module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103383150A (en) * | 2013-07-08 | 2013-11-06 | 西安交通大学 | Linear Fresnel reflection type mid-and-low temperature solar energy thermochemical utilization device |
| CN103808030A (en) * | 2012-11-15 | 2014-05-21 | 上海能辉电力科技有限公司 | Solar linear concentrating heat-collecting device |
| CN104154667A (en) * | 2014-08-27 | 2014-11-19 | 北京恒聚化工集团有限责任公司 | Fresnel solar and wind power complementation type heat collection tube |
| CN105387635A (en) * | 2015-11-11 | 2016-03-09 | 海宁市超大集热管有限公司 | Linear Fresnel efficient solar heat collection module |
-
2011
- 2011-06-22 CN CN201120211990U patent/CN202141223U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103808030A (en) * | 2012-11-15 | 2014-05-21 | 上海能辉电力科技有限公司 | Solar linear concentrating heat-collecting device |
| CN103383150A (en) * | 2013-07-08 | 2013-11-06 | 西安交通大学 | Linear Fresnel reflection type mid-and-low temperature solar energy thermochemical utilization device |
| CN104154667A (en) * | 2014-08-27 | 2014-11-19 | 北京恒聚化工集团有限责任公司 | Fresnel solar and wind power complementation type heat collection tube |
| CN104154667B (en) * | 2014-08-27 | 2017-08-11 | 北京恒聚化工集团有限责任公司 | A kind of thermal-collecting tube of Fresnel solar energy wind electricity mutual complementation |
| CN105387635A (en) * | 2015-11-11 | 2016-03-09 | 海宁市超大集热管有限公司 | Linear Fresnel efficient solar heat collection module |
| CN105387635B (en) * | 2015-11-11 | 2017-07-14 | 海宁市超大集热管有限公司 | A kind of linear fresnel solar heat collecting module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI JIAOYING ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: PENG ZHIGANG Effective date: 20120611 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20120611 Address after: 200442 Shanghai City, Baoshan District Hua Ling Road 410 Lane 14, Room 601 Patentee after: Shanghai Jiaoying Energy Technology Co., Ltd. Address before: 200442 Shanghai City, Baoshan District Hua Ling Road 410 No. 14 Lane 601 Patentee before: Peng Zhigang |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120208 Termination date: 20190622 |