CN105221348A - A kind of photo-thermal power station wind-power auxiliary generation system - Google Patents
A kind of photo-thermal power station wind-power auxiliary generation system Download PDFInfo
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- CN105221348A CN105221348A CN201410263980.4A CN201410263980A CN105221348A CN 105221348 A CN105221348 A CN 105221348A CN 201410263980 A CN201410263980 A CN 201410263980A CN 105221348 A CN105221348 A CN 105221348A
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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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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Abstract
The invention provides a kind of photo-thermal power station wind-power auxiliary generation system, comprise the fresnel reflecting mirror array structure and wind generating unit that are in tilted layout; Wherein, wind force device supporting structure is set at the back upper position of this fresnel reflecting mirror array structure, and arranges multiple wind generating unit in this wind force device supporting structure.Utilize photo-thermal power station of the present invention wind-power auxiliary generation system can improve stable equilibrium's ability of the output power in photo-thermal power station, supplement output power when night and illumination deficiency, improve the quality of power supply; The generated energy of adjustment steam turbine, is more stored in the heat that mirror field produces in heat reservoir, electric power when supplementary photo-thermal power station output power is not enough needed for load; And the destruction of wind-force to reflection mirror array can be reduced, increase the lasting utilization ratio of reflection mirror array.
Description
Technical field
the present invention relates to field of solar thermal power generation, particularly relate to a kind of photo-thermal power station wind-power auxiliary generation system.
Background technique
solar energy generation technology comprises photothermal power generation and photovoltaic generation, wherein, solar light-heat power-generation is one of means realizing Electricity Generation, substitute the economy the most of conventional energy resource, sunlight is converged to solar collecting device by reflector by it, utilize the heat transfer medium (liquid or gas) in solar energy heating gathering-device, then heating water forms steam drive or directly drive electrical generators generating.
a part of steam supply steam turbine power generation of the generation in solar light-heat power-generation system, part steam is stored in heat reservoir, the energy stored takes out by cloudy day or evening again, to extend generating dutation, but when being in continuous rainy weather, the energy stored in heat reservoir is difficult to the need for electricity meeting load.In the area that most of solar energy resources is abundant, its wind energy resources also comparatively horn of plenty, occur for avoiding the situation of electricity shortage, can by the auxiliary generating system of wind-power generating system as photo-thermal power station, the mode of wind light mutual complementing is taked to carry out comprehensive exploitation and the utilization of the energy, the cost of investment of power generation system specific power can be reduced, make it, close to even lower than the specific power output investment ratio of conventional power generation systems, to promote the large-scale application in the solar energy short time.
Summary of the invention
the object of the invention, for reduce cost for solar power generation further, utilizing solar power system framework to develop wind energy resources, for providing a kind of photo-thermal power station wind-power auxiliary generation system, comprising the fresnel reflecting mirror array structure and wind generating unit that are in tilted layout; It is characterized in that, wind force device supporting structure is set at the back upper position of described fresnel reflecting mirror array structure, and arrange multiple described wind generating unit in described wind force device supporting structure.
the described fresnel reflecting mirror array structure be in tilted layout is thing axis being parallel, North and South direction is in tilted layout on the sunny side.
described wind generating unit is horizontal axis wind generating device or wind power generating set with vertical shaft; Multiple described wind power generating set with vertical shaft is coaxially arranged in described wind force device supporting structure, and described wind power generating set with vertical shaft level or be arranged vertically within described wind force device supporting structure.
described horizontal axis wind generating device was adjusted according to wind direction unified company.
horizontal arrangement merges in many groups blade output power of multiple wind power generating set with vertical shaft of described wind force device supporting structure, reduces the usage quantity of generator.
described wind generating unit is connected with solar-thermal generating system is grid-connected, and the stable power realizing wind-power electricity generation exports.The output power in described photo-thermal power station and the output power of described wind generating unit merge and export.
a kind of photo-thermal power station provided by the invention wind-power auxiliary generation system has following characteristics and advantage: 1, utilize the place in existing photo-thermal power station, framework and grid-connected facility, supplement wind-power electricity generation, share energy output system, reduce cost of investment and the wind-powered electricity generation cost of investment of solar-thermal generating system specific power, make it close even lower than the specific power output investment ratio of conventional power generation systems.2, improve stable equilibrium's ability of the output power in photo-thermal power station, supplement output power when night and illumination deficiency, improve the quality of power supply; 3, the generated energy of steam turbine is adjusted, the heat that mirror field in photo-thermal power station produces more is stored in heat reservoir, electric power when supplementary photo-thermal power station output power is not enough needed for load, the peak load shifting electric power realizing wind-power electricity generation exports, impelling photo-thermal power station without the need to relying on external electrical network, realizing off-grid independent operating; 4, the electric power that the electric power that exports of distributed wind generating unit and photo-thermal power station export merges and exports, and preferentially can surf the Net by wind-powered electricity generation, guarantee electric power stable output and maximum using wind resource; 5, wind generating unit sentences the top of reflection mirror array structure, while utilizing the wind-force of high speed to carry out generating electricity, decreases reflection mirror array structure institute by wind, reduces wind-force to the destruction of reflection mirror array, increases the lasting utilization ratio of reflection mirror array; Although the specific power investment of 6 wind-power electricity generations is lower, but due to the instability of wind-force, larger to electrical network interference, current existence restriction indulging in the internet, the present invention is by the mutual adjustment of wind-power electricity generation and photothermal power generation, can guarantee that wind-powered electricity generation is fully surfed the Net when stable output power, solve the unstable problem of current wind-powered electricity generation online.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2-1 is first embodiment of the present invention structural representation.
Fig. 2-2 is second embodiment of the present invention structural representation.
embodiment
below in conjunction with drawings and Examples, the present invention is described in further detail.
as shown in Figure 1, fresnel reflecting mirror array structure comprises the supporting structure of Fresnel reflection lens array and Fresnel reflection lens array.The Fresnel reflection lens array formed by multiple reflector, as reflector 101, the Fresnel reflection lens array that fresnel reflecting mirror such as reflector 102 grade is formed is thing axle, North and South direction is in tilted layout, angle of inclination is 15 ° ~ 50 °, angle of inclination is generally greater than 20 °, is convenient to the installation of Fresnel reflection lens array and has section luminous energy power preferably simultaneously.This fresnel reflecting mirror arranged in arrays is in the supporting structure 103 of Fresnel reflection lens array, and this supporting structure is the low northern high dip layout in south on the Northern Hemisphere, is high in the south and low in the north being in tilted layout, is described in the present embodiment for the northern hemisphere in the Southern Hemisphere.At the back upper position of fresnel reflecting mirror array structure, wind force device supporting structure is set, be specially and wind force device supporting structure 104 is set at the back upper position of this fresnel reflecting mirror array-support structure 103, and in this wind force device supporting structure 104, arrange multiple wind generating unit, as wind generating unit 105.The wind loading rating of fresnel reflecting mirror array-support structure is stronger; but fresnel reflecting mirror reflector is easily subject to the destruction of wind-force; wind generating unit is utilized to carry out wind-power electricity generation; for solar-thermal generating system provides auxiliary power; and can wind-force be reduced; protection reflector, from broken ring, strengthens the lasting utilization ratio of reflection mirror array.
first embodiment of the present invention structural representation is as shown in Fig. 2-1, multiple fresnel reflecting mirror forms Fresnel reflection lens array, as the Fresnel reflection lens array that fresnel reflecting mirror 201, fresnel reflecting mirror 202 etc. are formed, as the Fresnel reflection lens array that fresnel reflecting mirror 203, fresnel reflecting mirror 204 are formed, form multiple Fresnel reflection lens array thus.Multiple Fresnel reflectino lens array is arranged in fresnel reflecting mirror array-support structure respectively, as supporting structure 205, and arrange wind force device supporting structure at the back upper position of supporting structure respectively, as wind force device supporting structure 206, and multiple wind generating unit is arranged in wind force device supporting structure, this wind generating unit can be horizontal axis wind generating device or wind power generating set with vertical shaft, horizontal axis wind generating Plant arrangement is as shown in Figure 2 in wind force device supporting structure 206, as horizontal axis wind generating device 207, horizontal axis wind generating device 208 and horizontal axis wind generating device 209.The running shaft of the wind wheel of horizontal axis wind generating device is parallel with the direction of air-flow, this horizontal axis wind generating device saves tower bar, wind wheel is directly arranged in wind force device supporting structure 206, multiple horizontal axis wind generating device is distributed in wind force device supporting structure, can adjust according to wind direction unified company, make horizontal axis wind generating device box haul change and rotate, improve wind power generation efficiency.Such as, the horizontal axis wind generating device being positioned at the northern hemisphere is adjusted according to wind direction unified company in positive and negative 60 ° of substantially horizontals or in positive and negative 45 ° of substantially horizontals; The horizontal axis wind generating device being positioned at the Southern Hemisphere is adjusted according to wind direction unified company in 120 ° ~ 240 ° substantially horizontals or in 135 ° ~ 225 ° substantially horizontals.
second embodiment of the present invention structural representation is as shown in Fig. 2-2, in this structural drawing, wind force device supporting structure 206 arranges multiple wind power generating set with vertical shaft, the wind wheel rotational axis vertical of wind power generating set with vertical shaft in the direction of air-flow, as wind power generating set with vertical shaft 207, wind power generating set with vertical shaft 208; Multiple wind power generating set with vertical shaft coaxial linkage, and multiple wind power generating set with vertical shaft level is installed in wind force device supporting structure, namely the rotating shaft of wind power generating set with vertical shaft is parallel with wind force device supporting structure, impel the stators and rotators counterrotating of wind power generating set with vertical shaft machine, realize twice rotating speed, improve the generating efficiency of wind power generating set with vertical shaft; And many groups blade output power of multiple wind power generating set with vertical shaft level installed merges, and shares a generator, reduces the cost of wind-power generating system.In addition, wind power generating set with vertical shaft also can be arranged vertically within wind force device supporting structure, and namely the rotating shaft of wind power generating set with vertical shaft is perpendicular to the plane of wind force device supporting structure.
multiple wind generating unit in photo-thermal power station is connected with solar-thermal generating system is grid-connected, for solar-thermal generating system provides auxiliary power, and the output power of adjustable solar-thermal generating system, impelling photo-thermal power station without the need to relying on external electrical network, realizing off-grid independent operating; The electric power that the electric power that distributed wind generating unit exports and photo-thermal power station export merges and exports, and preferentially can surf the Net by wind-powered electricity generation, guarantee stable output and maximum using wind resource.In addition, by arranging wind generating unit in wind force device supporting structure, reducing wind speed, reducing wind-force to the broken ring of reflector, strengthening the lasting utilization ratio of reflection mirror array.
obviously, under the prerequisite not departing from true spirit of the present invention and scope, the present invention described here can have many changes.Therefore, all changes that it will be apparent to those skilled in the art that, all should be included within scope that these claims contain.The present invention's scope required for protection is only limited by described claims.
Claims (8)
1. a photo-thermal power station wind-power auxiliary generation system, comprises the fresnel reflecting mirror array structure and wind generating unit that are in tilted layout; It is characterized in that, wind force device supporting structure is set at the back upper position of described fresnel reflecting mirror array structure, and arrange multiple described wind generating unit in described wind force device supporting structure.
2. a kind of photo-thermal power station according to claim 1 wind-power auxiliary generation system, is characterized in that, described in the fresnel reflecting mirror array structure that is in tilted layout be thing axis being parallel, North and South direction is in tilted layout on the sunny side.
3. a kind of photo-thermal power station according to claim 1 wind-power auxiliary generation system, it is characterized in that, described wind generating unit is horizontal axis wind generating device or wind power generating set with vertical shaft.
4. a kind of photo-thermal power station according to claim 3 wind-power auxiliary generation system, it is characterized in that, multiple described wind power generating set with vertical shaft is coaxially arranged in described wind force device supporting structure, and described wind power generating set with vertical shaft level or be arranged vertically within described wind force device supporting structure.
5. a kind of photo-thermal power station according to claim 3 wind-power auxiliary generation system, is characterized in that, described horizontal axis wind generating device was adjusted according to wind direction unified company.
6. a kind of photo-thermal power station according to claim 4 wind-power auxiliary generation system, it is characterized in that, horizontal arrangement merges in many groups blade output power of multiple wind power generating set with vertical shaft of described wind force device supporting structure, reduces the usage quantity of generator.
7. a kind of photo-thermal power station according to claim 1 and 2 wind-power auxiliary generation system, it is characterized in that, described wind generating unit is connected with solar-thermal generating system is grid-connected, and the stable power realizing wind-power electricity generation exports.
8. a kind of photo-thermal power station according to claim 1 and 2 wind-power auxiliary generation system, is characterized in that, the output power of solar-thermal generating system and the output power of described wind generating unit merge and export.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410263980.4A CN105221348A (en) | 2014-06-13 | 2014-06-13 | A kind of photo-thermal power station wind-power auxiliary generation system |
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| CN201410263980.4A CN105221348A (en) | 2014-06-13 | 2014-06-13 | A kind of photo-thermal power station wind-power auxiliary generation system |
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Citations (7)
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| DE202011104631U1 (en) * | 2011-08-18 | 2011-11-10 | Jens-Werner Johannsen | Apparatus for obtaining energy |
| CN102322155A (en) * | 2011-06-28 | 2012-01-18 | 马瑞志 | Unconcerned table sea, multi-functional Great Wall and sandstorm control |
| CN102606411A (en) * | 2012-04-20 | 2012-07-25 | 李新民 | Vertical shaft multi-state dual-blade bidirectional rotation wind driven power generation device and power generation control method thereof |
| CN103485982A (en) * | 2013-10-10 | 2014-01-01 | 王震亚 | Multifunctional power generation device |
| CN203590122U (en) * | 2013-11-20 | 2014-05-07 | 刘辉 | Wind-solar complementary solar power generation system |
| CN204024913U (en) * | 2014-06-13 | 2014-12-17 | 刘辉 | A kind of photo-thermal power station wind-power auxiliary generation system |
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2014
- 2014-06-13 CN CN201410263980.4A patent/CN105221348A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102146712A (en) * | 2010-02-10 | 2011-08-10 | 西安孔明电子科技有限公司 | Wall plate module of wind and light complement power generation building and construction method thereof |
| CN102322155A (en) * | 2011-06-28 | 2012-01-18 | 马瑞志 | Unconcerned table sea, multi-functional Great Wall and sandstorm control |
| DE202011104631U1 (en) * | 2011-08-18 | 2011-11-10 | Jens-Werner Johannsen | Apparatus for obtaining energy |
| CN102606411A (en) * | 2012-04-20 | 2012-07-25 | 李新民 | Vertical shaft multi-state dual-blade bidirectional rotation wind driven power generation device and power generation control method thereof |
| CN103485982A (en) * | 2013-10-10 | 2014-01-01 | 王震亚 | Multifunctional power generation device |
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Application publication date: 20160106 |