CN103090551A - Solar receiver - Google Patents
Solar receiver Download PDFInfo
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- CN103090551A CN103090551A CN2011103372271A CN201110337227A CN103090551A CN 103090551 A CN103090551 A CN 103090551A CN 2011103372271 A CN2011103372271 A CN 2011103372271A CN 201110337227 A CN201110337227 A CN 201110337227A CN 103090551 A CN103090551 A CN 103090551A
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- medium
- pipeline
- solar receiver
- input unit
- output device
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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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Abstract
The invention relates to a solar receiver which comprises a medium input device, a medium output device and a plurality of pipelines. The pipelines are respectively communicated with the medium input device and the medium output device, inlet ends of the various pipelines are respectively communicated with the medium input device, outlet ends of the various pipelines are respectively communicated with the medium output device, the medium input device is a solar receiving end, and media are initially in liquid states. The solar receiver has the advantages that the working media at the bottom of the solar receiver are in the liquid states or are in gas and liquid mixed states, working media on the top of the solar receiver are in gaseous states, accordingly, problems of low specific heat capacity of gaseous media and high requirement on the loading capacity of an existing receiver are solved, and the problem that local overheating and no-load heat transmission occur easily when an existing solar receiver utilizing liquid media moves is also solved.
Description
Technical field
The present invention relates to new energy field, in particular, relate to a kind of solar receiver.
Background technology
Solar energy thermal-power-generating due to be by condenser radiation density low solar light through after converging, the heating heat-carrying agent, promote gas turbine or Stirling-electric hybrid and generate electricity, have the high characteristics of solar energy to electrical conversion efficiency, more and more obtain people's attention.
Heat transport fluid by the disc type solar energy receiver generally is divided into gas (air) and liquid type (water, fuse salt etc.) medium, the gas medium in receiver with absorbing material (as the refractory ceramics foam etc.) heat exchange, take away on absorbing material through the solar energy that obtains after dish formula speculum optically focused.
Because gas medium thermal capacitance is smaller, after heating up through solar energy heating, the pressure increase is very large, this class receiver needs coil pipe or withstand voltage chamber to bear the pressure of system on receiver to be increased, and need to tilt little to the flow effect of working media to receiver in the sun-tracing process.
And the general heat capacity ratio of liquid type medium is larger, through taking away more heat after the receiver heat exchange, but when need considering to use in dish formula system, receiver affects the variation of liquid surface in receiver with the variation of solar motion track, if receiving plane is the liquid make-up medium in time, will form hot-spot and heat transmission zero load, the consequence of even burning receiver.
Summary of the invention
One of purpose of the present invention is: for the defective that solves the described existing solar receiver of above-mentioned prior art provides a kind of new solar receiver.
The present invention is for solving the defective of above-mentioned prior art, a kind of solar receiver is provided, comprise medium input unit and medium output device, also comprise some pipelines that are communicated with respectively medium input unit and medium output device, the entrance point of described each pipeline is communicated with the medium input unit respectively, the port of export of described each pipeline is communicated with the medium output device respectively, and described medium input unit is the solar energy receiving terminal, and the original state of described medium is liquid.
Preferably, the internal diameter of described each pipeline is less than or equal to 3mm.
Preferably, the center of described medium input unit is provided with the incidence hole into through hole, described each pipeline is fixedly mounted on respectively around described incidence hole, makes each described pipeline receive sunshine so that the sunshine after converging enters described solar receiver inside from described incidence hole.
Preferably, described medium input unit and medium output device are respectively hollow housing, be respectively equipped with medium import and media outlet on the housing of described medium input unit and medium output device, the internal cavities of described medium input unit is the first medium cavity, and the internal cavities of described medium output device is the second medium cavity.
Preferably, be provided with first medium drainage part in described first medium cavity, described first medium drainage part is hydrophilic material parts.
Preferably, between described each pipeline and each pipeline be arranged with filling member outward, described filling member is insulation material parts.
Preferably, described filling member is foamed ceramics.
Preferably, the bilateral symmetry of described each pipeline is provided with hard-wired fin, and the fin of described each pipeline and each pipeline forms a circle in the periphery of described loophole, and described filling member is fixedly mounted on the outside of described fin.
Preferably, leave the gap between the fin of any two adjacent channels.
Preferably, described fin is high temperature resistant heat absorption material parts, and the inner surface of described fin scribbles heat absorbing coating, scribbles heat absorbing coating on described each pipeline outer wall.
Solar receiver of the present invention, some pipelines by connecting media input unit and medium output device, after making medium input unit and/or pipeline reception sunshine, its interior media temperature raises, enter the medium output device after becoming gas, thereby allow the carrier of working media as solar energy output.And in solar receiver of the present invention, working media is liquid state or gas-liquid mixed state in the bottom, it is gaseous state at the top, thereby both avoided gas Media Ratio thermal capacitance little and to the demanding problem of the bearing capacity of receiver, and also avoided using the solar receiver of liquid medium that hot-spot and the unloaded problem of heat transmission easily occur when change in location.
In one embodiment of the present invention, the internal diameter of pipeline is less than or equal to 3mm, when in the first medium cavity of medium input unit, liquid working media being housed, each pipeline can suck liquid working media in the medium output device from the medium input unit by siphonage, and the heat of absorption sunshine changes into high temperature refrigerant outflow solar receiver from cryogenic fluid in the media flow process.Can also be provided with the first medium drainage part of hydrophilic material in the first medium cavity, make solar receiver change and working medium is replenished the bottom that guarantees whole medium input unit in not prompt enough (that is receive sunshine direct projection one side) and is evenly distributed with appropriate working medium at occurrence positions.Thereby avoided using the solar receiver of liquid medium that hot-spot and the unloaded problem of heat transmission easily occur when change in location.
In another embodiment of the present invention, also between each pipeline and the filling member that is arranged with thermal insulating material matter outside each pipeline work under the state higher than environment temperature to guarantee pipeline, greatly improved the efficiency of energy utilization of solar receiver.The use of fin has further replenished the gap between pipeline and pipeline, has increased the receiving plane area of sunshine.Further improved the efficiency of energy utilization of solar receiver.The medial surface of pipeline outer wall and fin applies heat absorbing coating also can improve the efficiency of energy utilization of solar receiver.
Description of drawings
Fig. 1 is the principle schematic of the first embodiment of solar receiver of the present invention;
Fig. 2 is the top view of the first embodiment of solar receiver of the present invention;
Fig. 3 a is the exploded perspective view one of the solar receiver after in Fig. 2, the A-A direction is dissectd;
Fig. 3 b is the exploded perspective view two of the solar receiver after in Fig. 2, the A-A direction is dissectd;
Fig. 4 is the front view of the first embodiment of solar receiver of the present invention;
Fig. 5 is the exploded perspective view of the solar receiver after in Fig. 4, the B-B direction is dissectd;
Fig. 6 is the principle schematic of the second embodiment of solar receiver of the present invention;
Fig. 7 is the top view of the second embodiment of solar receiver of the present invention;
Fig. 8 a is the exploded perspective view one of the solar receiver after in Fig. 7, the C-C direction is dissectd;
Fig. 8 b is the exploded perspective view two of the solar receiver after in Fig. 7, the C-C direction is dissectd;
Fig. 9 is the front view of the second embodiment of solar receiver of the present invention;
Figure 10 is the exploded perspective view of the solar receiver after in Fig. 9, the D-D direction is dissectd;
Figure 11 removes the exploded perspective view of two solar receivers after filling member in Figure 10;
Figure 12 is the principle schematic of the third embodiment of solar receiver of the present invention.
The specific embodiment
Solar receiver of the present invention, some pipelines by connecting media input unit and medium output device, after making medium input unit and/or pipeline reception sunshine, its interior media temperature raises, enter the medium output device after becoming gas, thereby allow the carrier of working media as solar energy output.And in solar receiver of the present invention, working media is liquid state or gas-liquid mixed state in the bottom, it is gaseous state at the top, thereby both avoided gas Media Ratio thermal capacitance little and to the demanding problem of the bearing capacity of receiver, and also avoided using the solar receiver of liquid medium that hot-spot and the unloaded problem of heat transmission easily occur when change in location.Introduce in detail solar receiver of the present invention below in conjunction with accompanying drawing:
To shown in Figure 12, in the first embodiment and the second embodiment, solar receiver comprises medium input unit 3 and medium output device 1, also comprises some pipelines 2 that are communicated with respectively medium input unit 3 and medium output device 1 as Fig. 1.The entrance point of each pipeline 2 is communicated with medium input unit 3 respectively, and the port of export of each pipeline 2 is communicated with medium output device 1 respectively.Its medium input unit 3 is the solar energy receiving terminal, and the original state of the medium that circulates in solar receiver is for liquid.
Further, the center of medium input unit 3 is provided with the incidence hole 302 into through hole, and each pipeline 2 is fixedly mounted on respectively around incidence hole 302, makes each pipeline 2 receive sunshine so that the sunshine after converging enters solar receiver inside from incidence hole 302.In the specific embodiment of the present invention, incidence hole 302 is manhole, and each pipeline 2 evenly is arranged in around incidence hole 302.In the time of actual the use, the concrete shape of incidence hole 302 is not limit, and the arrangement mode of each pipeline 2 is not limit.The preferred arrangement mode of each pipeline 2 is for as far as possible intensive, penetrates the gap of sunshine between each pipeline avoiding, and makes the energy of sunshine can the maximized heat energy that is converted to.
Further, medium input unit 3 and medium output device 1 are respectively hollow housing, be respectively equipped with medium import 300 and media outlet 100 on the housing of medium input unit 3 and medium output device 1, the internal cavities of medium input unit 3 is first medium cavity 301, and the internal cavities of medium output device 1 is second medium cavity 101.
Wherein, external other device of first medium cavity 301 and second medium cavity 101, particular location is not limit.The optimum position of first medium cavity 301 is the bottom of medium input unit 3, and the optimum position of second medium cavity 101 is the top of medium output device 1.
The difference of the first embodiment and the second embodiment is:
To shown in Figure 5, the internal diameter of each pipeline 2 is less than or equal to 3mm as Fig. 1.When in the first medium cavity 301 of medium input unit 3, liquid working media being housed, each pipeline 2 can suck liquid working media in medium output device 1 from medium input unit 3 by siphonage, and the heat of absorption sunshine changes into high temperature refrigerant outflow solar receiver from cryogenic fluid in the media flow process.
Further, as shown in Fig. 3 b, can also be provided with the first medium drainage part 303 of hydrophilic material in first medium cavity 301, make solar receiver change and working medium is replenished the bottom that guarantees whole medium input unit 3 in not prompt enough (that is receive sunshine direct projection one side) and is evenly distributed with appropriate working medium at occurrence positions.Thereby avoided using the solar receiver of liquid medium that hot-spot and the unloaded problem of heat transmission easily occur when change in location.
In the present embodiment, multilayer, intensive, uniform arrangement mode are followed in arranging of pipeline 2, penetrate the gap of sunshine between each pipeline avoiding, and make the energy of sunshine can the maximized heat energy that is converted to.
To shown in Figure 12, be arranged with filling member 4 between each pipeline 2 and outside each pipeline 2 as Fig. 6, filling member 4 is insulation material parts.Filling member fills up the gap between each pipeline 2, and at the peripheral heat-insulation layer that forms of each pipeline 2, works under the state higher than environment temperature to guarantee each pipeline 2, has greatly improved the efficiency of energy utilization of solar receiver.Further, filling member 4 is foamed ceramics.
Concrete, be provided with hard-wired fin 201 in the bilateral symmetry of each pipeline 2, the fin 201 of each pipeline 2 and each pipeline 2 forms a circle in the periphery of loophole 302, and filling member 4 is fixedly mounted on the outside of fin 201.
Further, leave the gap between the fin of any two adjacent channels, thereby leave extendable room for expanding with heat and contract with cold.Further, fin is high temperature resistant heat absorption material parts, and the inner surface of fin scribbles heat absorbing coating, scribbles heat absorbing coating on each pipeline outer wall.General resistant to elevated temperatures stainless steel parts, waterproof, non-corrosive, the ability higher temperature again of adopting of fin.
The use of fin has further replenished the gap between pipeline and pipeline, has increased the receiving plane area of sunshine.Further improved the efficiency of energy utilization of solar receiver.The medial surface of pipeline outer wall and fin applies heat absorbing coating also can improve the efficiency of energy utilization of solar receiver.
Further, as shown in Fig. 8 b, can also be provided with the first medium drainage part 303 of hydrophilic material in first medium cavity 301, make solar receiver change and working medium is replenished the bottom that guarantees whole medium input unit 3 in not prompt enough (that is receive sunshine direct projection one side) and is evenly distributed with appropriate working medium at occurrence positions.Thereby avoided using the solar receiver of liquid medium that hot-spot and the unloaded problem of heat transmission easily occur when change in location.
Above solar energy acceptor provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. solar receiver, it is characterized in that, comprise medium input unit and medium output device, also comprise some pipelines that are communicated with respectively medium input unit and medium output device, the entrance point of described each pipeline is communicated with the medium input unit respectively, the port of export of described each pipeline is communicated with the medium output device respectively, and described medium input unit is the solar energy receiving terminal, and the original state of described medium is liquid.
2. solar receiver according to claim 1, is characterized in that, the internal diameter of described each pipeline is less than or equal to 3mm.
3. solar receiver according to claim 1 and 2, it is characterized in that, the center of described medium input unit is provided with the incidence hole into through hole, described each pipeline is fixedly mounted on respectively around described incidence hole, makes each described pipeline receive sunshine so that the sunshine after converging enters described solar receiver inside from described incidence hole.
4. solar receiver according to claim 3, it is characterized in that, described medium input unit and medium output device are respectively hollow housing, be respectively equipped with medium import and media outlet on the housing of described medium input unit and medium output device, the internal cavities of described medium input unit is the first medium cavity, and the internal cavities of described medium output device is the second medium cavity.
5. solar receiver according to claim 4, is characterized in that, is provided with first medium drainage part in described first medium cavity, and described first medium drainage part is hydrophilic material parts.
6. according to claim 1-5 described solar receivers of any one, is characterized in that, between described each pipeline and each pipeline be arranged with filling member outward, described filling member is insulation material parts.
7. solar receiver according to claim 6, is characterized in that, described filling member is foamed ceramics.
8. solar receiver according to claim 6, it is characterized in that, the bilateral symmetry of described each pipeline is provided with hard-wired fin, and the fin of described each pipeline and each pipeline forms a circle in the periphery of described loophole, and described filling member is fixedly mounted on the outside of described fin.
9. solar receiver according to claim 8, is characterized in that, leaves the gap between the fin of any two adjacent channels.
10. solar receiver according to claim 8, is characterized in that, described fin is high temperature resistant heat absorption material parts, and the inner surface of described fin scribbles heat absorbing coating, scribbles heat absorbing coating on described each pipeline outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110337227.1A CN103090551B (en) | 2011-10-31 | 2011-10-31 | A kind of solar receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110337227.1A CN103090551B (en) | 2011-10-31 | 2011-10-31 | A kind of solar receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103090551A true CN103090551A (en) | 2013-05-08 |
| CN103090551B CN103090551B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110337227.1A Active CN103090551B (en) | 2011-10-31 | 2011-10-31 | A kind of solar receiver |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178265A (en) * | 2007-12-10 | 2008-05-14 | 南京工业大学 | High-temperature solar heat pipe receivers |
| CN101216220A (en) * | 2008-01-14 | 2008-07-09 | 东南大学 | Special-shaped modular type hollow space solar energy high-temperature receiver |
| CN201569185U (en) * | 2009-11-12 | 2010-09-01 | 涂洪彬 | Novel solar energy heat collecting and storing device |
| US20110203573A1 (en) * | 2008-09-25 | 2011-08-25 | Solfast Pty. Ltd. | Solar Collector |
| WO2011101485A1 (en) * | 2010-02-22 | 2011-08-25 | Siemens Aktiengesellschaft | Solar heat receiver tube for direct steam generation, parabolic trough collector with the solar heat receiver tube and use of the parabolic trough collector |
| CN102175065A (en) * | 2011-01-18 | 2011-09-07 | 绍兴文理学院 | Solar electrical energy generation energy-gathering-type natural circulation receiver and using method thereof |
| CN201973915U (en) * | 2011-03-02 | 2011-09-14 | 浙江大学 | U-shaped passage combined heat pipe receiver |
| CN103090550A (en) * | 2011-10-31 | 2013-05-08 | 杭州三花研究院有限公司 | Solar receiver |
-
2011
- 2011-10-31 CN CN201110337227.1A patent/CN103090551B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178265A (en) * | 2007-12-10 | 2008-05-14 | 南京工业大学 | High-temperature solar heat pipe receivers |
| CN101216220A (en) * | 2008-01-14 | 2008-07-09 | 东南大学 | Special-shaped modular type hollow space solar energy high-temperature receiver |
| US20110203573A1 (en) * | 2008-09-25 | 2011-08-25 | Solfast Pty. Ltd. | Solar Collector |
| CN201569185U (en) * | 2009-11-12 | 2010-09-01 | 涂洪彬 | Novel solar energy heat collecting and storing device |
| WO2011101485A1 (en) * | 2010-02-22 | 2011-08-25 | Siemens Aktiengesellschaft | Solar heat receiver tube for direct steam generation, parabolic trough collector with the solar heat receiver tube and use of the parabolic trough collector |
| CN102175065A (en) * | 2011-01-18 | 2011-09-07 | 绍兴文理学院 | Solar electrical energy generation energy-gathering-type natural circulation receiver and using method thereof |
| CN201973915U (en) * | 2011-03-02 | 2011-09-14 | 浙江大学 | U-shaped passage combined heat pipe receiver |
| CN103090550A (en) * | 2011-10-31 | 2013-05-08 | 杭州三花研究院有限公司 | Solar receiver |
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| Publication number | Publication date |
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| CN103090551B (en) | 2016-08-24 |
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Effective date of registration: 20171220 Address after: 312500 Xinchang County, Zhejiang Province under the streets of Liquan Village Patentee after: Sanhua Holding Group Co., Ltd. Address before: 310018, Zhejiang, Hangzhou Economic Development Zone Xiasha street, No. 12, No. 289 Patentee before: Hangzhou Sanhua Institute Co., Ltd. |
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Effective date of registration: 20200514 Address after: Room 1901-6, No.19, West Lake Cultural Plaza, Xiacheng District, Hangzhou, Zhejiang Patentee after: Zhejiang Heji Investment Management Co., Ltd Address before: 312500 Liquan village, Qixing street, Xinchang County, Zhejiang Province Patentee before: SANHUA HOLDING GROUP Co.,Ltd. |