CN203925888U - 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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- CN203925888U CN203925888U CN201420338348.7U CN201420338348U CN203925888U CN 203925888 U CN203925888 U CN 203925888U CN 201420338348 U CN201420338348 U CN 201420338348U CN 203925888 U CN203925888 U CN 203925888U
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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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Abstract
The utility model provides a kind of photo-thermal power station wind-power auxiliary generation system, comprises mirror structure and wind generating unit, it is characterized in that, described wind generating unit is arranged in the clearance space of a plurality of described mirror structures.Utilize photo-thermal of the present utility model power station wind-power auxiliary generation system can improve the stability of the output power of wind-power electricity generation, the output power while supplementing night and illumination deficiency, improves the quality of power supply; By the mutual adjusting of wind-power electricity generation and photothermal power generation, can in the situation that stablizing output power, guarantee that wind-powered electricity generation fully surfs the Net, solve the unstable problem of current wind-powered electricity generation online; And can reduce the collapsing force of wind-force to reflection mirror array, increase the utilization ratio of reflector.
Description
Technical field
the utility model relates to solar wind-energy power field, relates in particular 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 the most economic means that realize Electricity Generation, alternative conventional energy resource, it converges to solar collecting device by reflector by sunlight, utilize the heat transfer medium (liquid or gas) in solar energy heating gathering-device, then heating water forms steam drive or directly drives generator 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, cloudy day or evening take out the energy storing again, to extend generating dutation, but when in continuous rainy weather, the energy storing in heat reservoir is difficult to meet the need for electricity of load.In the abundant area of most of solar energy resources, its wind energy resources is also compared with horn of plenty, and the degree of wind-power electricity generation electricity cost of investment is lower, but simple wind power generating set power stage is stable not, meeting impact electrical network, so the common wind phenomenon of abandoning, and has had a strong impact on the economy return of wind-powered electricity generation unit; Meanwhile, under larger wind speed, wind-force also can cause damage to the Jing Chang at solar energy thermal-power-generating station.In addition, current photo-thermal power station generally needs external electrical network to provide support, and just can meet and start and station service demand.For avoiding and solve above-mentioned situation; can be by wind-power generating system the auxiliary generating system as photo-thermal power station; take the mode of wind light mutual complementing to carry out comprehensive exploitation and the utilization of the energy; not only can merge stable output electric energy; reduce the cost of investment of power generation system specific power; make it to approach even lower than the specific power output investment ratio of conventional power generation systems, also can effectively protect the Jing Chang at photothermal power generation station to avoid infringement, promote the large-scale application of solar energy cogeneration power plant.
Model utility content
the utility model object is further to reduce cost for solar power generation, utilizes solar power system framework exploitation wind energy resources; Reduce the destruction of wind-force to reflection mirror array in photo-thermal power station, want to provide a kind of photo-thermal power station wind-power auxiliary generation system, comprise mirror structure and wind generating unit, it is characterized in that, described wind generating unit is arranged in the clearance space of a plurality of described mirror structures.
described mirror structure is slot type reflector row or heliostat array or Fresnel reflection lens array.
described wind generating unit comprises horizontal axis wind-driven generator or vertical axis aerogenerator.
the blade of wind generating unit is swept wind region and is partly or entirely overlapped in short transverse with described mirror structure, to reduce the destruction of wind-force to mirror structure.
photo-thermal power station wind-power auxiliary generation system comprises heat-storing device; When the output power in the output power of wind generating unit and photo-thermal power station merges output, preferentially guarantee that wind generating unit is with maximum power output, the output power in photo-thermal power station requires output according to scheduling, and waste heat enters heat-storing device and stores.
the output power of described wind generating unit is connected with electrical network is grid-connected after merging output with the output power in photo-thermal power station, realizes the stable power output of Wind Power Generation on Power System, improves the utilization ratio of wind generating unit.
the output power in the output power of described wind generating unit and photo-thermal power station merges output, non-grid-connected, implements independent operating; The output power of described wind generating unit for photo-thermal power station from electricity consumption, make photo-thermal power station possess only network operation, independent startup ability, increases applicability and the reliability in photo-thermal power station.
a kind of photo-thermal power station wind-power auxiliary generation system that the utility model provides has following characteristics and advantage: the place, framework and the grid-connected facility that 1, utilize existing photo-thermal power station, 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, made it likely to approach even the specific power output investment ratio lower than conventional power generation systems; 2, improve stable equilibrium's ability of the output power in photo-thermal power station, the output power while supplementing night and illumination deficiency, improves the quality of power supply; 3, wind-power auxiliary generation system in photo-thermal power station can not be connected with electrical network yet, implement independent operating, the output power of wind generating unit can be used as photo-thermal power station from electricity consumption (electricity consumption of power station plant area), impel photo-thermal power station without relying on external electrical network, realize off-grid independent operating, increase applicability and the reliability in photo-thermal power station; 4, the electric power of the electric power of distributed wind generating unit output and the output of photo-thermal power station merges output, and preferentially wind-powered electricity generation online, guarantees electric power stable output and maximum using wind resource; 5, wind generating unit is sentenced in the clearance space of a plurality of mirror structures, the blade of wind generating unit is swept wind region and is partly or entirely overlapped in short transverse with mirror structure, when utilizing high-speed wind-force to generate electricity, reduced the suffered wind-force of reflection mirror array, reduced the destruction of wind-force to reflection mirror array, the wind effect of sweeping of blade, disperses wind direction, the eyeglass resonance problem having caused while having alleviated normal wind, has increased the safety reliability of reflector; Although the investment of the specific power of 6 wind-power electricity generations is lower, but unstable due to wind-force, to electrical network, disturb larger, there is at present restriction indulging in the internet, the utility model is by the mutual adjusting of wind-power electricity generation and photothermal power generation, can in the situation that stablizing output power, guarantee that wind-powered electricity generation fully surfs the Net, solve the unstable problem of current wind-powered electricity generation online.
Accompanying drawing explanation
fig. 1 is the first example structure schematic diagram of the present utility model.
fig. 2 is the second example structure schematic diagram of the present utility model.
fig. 3 is the 3rd example structure schematic diagram of the present utility model.
Embodiment
below in conjunction with drawings and Examples, the utility model is described in further detail.
fig. 1 is the first example structure schematic diagram of the present utility model.As shown in Figure 1, this embodiment is slot type photo-thermal power station wind-power auxiliary generation system, wherein, mirror structure is slot type reflector row, as slot type reflector row 101-1, slot type reflector row 101-2, in the space at a plurality of slot type reflector row interval, arrange wind generating unit, as a plurality of wind generating units of arranging in the space at slot type reflector row 101-1 and slot type reflector row 101-2 interval, as wind generating unit 102-1, wind generating unit 102-2, wind generating unit 102-3.In addition, photo-thermal power station wind-power auxiliary generation system also comprises that heat-storing device and power supply converge treatment device, as heat-storing device 103 and power supply that in this embodiment, slot type photo-thermal power station wind-power auxiliary generation system comprises converge treatment device 104, the output power of described wind generating unit converges after treatment device 104 merges output and is connected with electrical network is grid-connected through power supply with the output power in photo-thermal power station, realize the stable power output of Wind Power Generation on Power System, improve the utilization ratio of wind generating unit.In addition, the output power in the output power of wind generating unit and photo-thermal power station is when power supply converges treatment device 104 merging output, can preferentially guarantee that wind generating unit is with maximum power output, the output power in photo-thermal power station requires output according to scheduling, the waste heat that photo-thermal power station can be produced deposits heat-storing device 103 in and stores, and guarantees electric power stable output and maximum using wind resource.
fig. 2 is the second example structure schematic diagram of the present utility model.As shown in Figure 2, this embodiment is Fresnel power station wind-power auxiliary generation system, wherein, mirror structure is Fresnel reflection lens array, as the first Fresnel reflection lens array consisting of fresnel reflecting mirror row such as fresnel reflecting mirror row 201-1, fresnel reflecting mirror row 201-2; The the second Fresnel reflection lens array being formed by reflector row such as fresnel reflecting mirror row 202-1, fresnel reflecting mirror row 202-2; In the clearance space of a plurality of Fresnel reflection lens arrays, arrange wind generating unit, as the wind generating unit 203-1 arranging in the clearance space of the first Fresnel reflection lens array and the second Fresnel reflection lens array, wind generating unit 203-2, wind generating unit 203-3.
fig. 3 is the 3rd example structure schematic diagram of the present utility model.As shown in Figure 3, this embodiment is tower photo-thermal power station, and wherein, mirror structure is heliostat array, as the first heliostat array consisting of heliostats such as heliostat 301-1, heliostat 301-2; The the second heliostat array being formed by heliostats such as heliostat 302-1, heliostat 302-2; The 3rd heliostat array being formed by heliostats such as heliostat 303-1, heliostat 303-2.In the clearance space of a plurality of heliostat arrays, arrange wind generating unit, as the wind generating unit 304-1 arranging in the clearance space of the first heliostat array and the second heliostat array, as the wind generating unit 304-2 arranging in the clearance space of the second heliostat array and the 3rd heliostat array.
wind generating unit described above can be horizontal axis wind generating device or wind power generating set with vertical shaft, the output power in the output power of a plurality of distributed wind generating units and photo-thermal power station merges output, photo-thermal power station wind-power auxiliary generation system can not be connected with electrical network yet, implement independent operating, the output power of wind generating unit can be used as photo-thermal power station from electricity consumption (electricity consumption of power station plant area), make photo-thermal power station possess only network operation, independent startup ability, applicability and the reliability in increase photo-thermal power station.In reality is implemented, for protection reflector is avoided high wind damage and failure, need design the setting height(from bottom) of wind generating unit, making blade sweep wind region partly or entirely overlaps in short transverse with described mirror structure, because general blowing direction is level or the less angle of attack, like this layout can so that mirror structure partly or entirely hide in sweeping rear, wind region, when wind-force is swept behind wind region through blade, when utilizing this part wind-force to carry out wind-power electricity generation, consume the part energy of wind-force, reduced wind speed, the abatement of wind that this part moves on, the wind-force being applied to again highly substantially on the mirror structure of quite (blade is swept wind region and partly or entirely overlapped in short transverse with described mirror structure) also will weaken, thereby protection eyeglass is subject to or avoids the damage of wind-force less, in addition, due to the wind effect of sweeping of blade, wind direction is disperseed, after this part wind-force directional divergence after wind-driven generator, the eyeglass resonance problem having caused while having alleviated normal unidirectional wind, avoids eyeglass broken, increases the safety reliability of reflector.
obviously, do not departing under the prerequisite of true spirit of the present utility model and scope, the utility model described here can have many variations.Therefore, all changes that it will be apparent to those skilled in the art that, within all should being included in the scope that these claims contain.The utility model scope required for protection is only limited by described claims.
Claims (9)
1. a photo-thermal power station wind-power auxiliary generation system, comprises mirror structure and wind generating unit, it is characterized in that, described wind generating unit is arranged in the clearance space of a plurality of described mirror structures.
2. a kind of photo-thermal according to claim 1 power station wind-power auxiliary generation system, is characterized in that, described mirror structure is slot type reflector row or heliostat array or Fresnel reflection lens array.
3. a kind of photo-thermal according to claim 1 power station wind-power auxiliary generation system, is characterized in that, described wind generating unit comprises horizontal axis wind-driven generator or vertical axis aerogenerator.
4. a kind of photo-thermal according to claim 1 power station wind-power auxiliary generation system, is characterized in that, the blade of described wind generating unit is swept wind region and partly or entirely overlapped in short transverse with described mirror structure.
5. a kind of photo-thermal according to claim 1 power station wind-power auxiliary generation system, is characterized in that, described photo-thermal power station wind-power auxiliary generation system comprises heat-storing device.
6. a kind of photo-thermal according to claim 1 power station wind-power auxiliary generation system, it is characterized in that, the output power of described wind generating unit is connected with electrical network is grid-connected after merging output with the output power in photo-thermal power station, realize the stable power output of Wind Power Generation on Power System, improve the utilization ratio of wind generating unit.
7. a kind of photo-thermal according to claim 1 power station wind-power auxiliary generation system, is characterized in that, the output power in the output power of described wind generating unit and photo-thermal power station merges output, non-grid-connected, implements independent operating.
8. a kind of photo-thermal according to claim 7 power station wind-power auxiliary generation system, it is characterized in that, when the output power in the output power of described wind generating unit and photo-thermal power station merges output, preferential assurance wind generating unit is with maximum power output, the output power in photo-thermal power station requires output according to scheduling, and waste heat enters heat-storing device and stores.
9. a kind of photo-thermal according to claim 1 power station wind-power auxiliary generation system, is characterized in that, the output power of described wind generating unit for photo-thermal power station from electricity consumption, make photo-thermal power station possess only network operation, independent startup ability.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338348.7U CN203925888U (en) | 2014-06-23 | 2014-06-23 | A kind of photo-thermal power station wind-power auxiliary generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420338348.7U CN203925888U (en) | 2014-06-23 | 2014-06-23 | A kind of photo-thermal power station wind-power auxiliary generation system |
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| CN203925888U true CN203925888U (en) | 2014-11-05 |
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| CN201420338348.7U Expired - Fee Related CN203925888U (en) | 2014-06-23 | 2014-06-23 | A kind of photo-thermal power station wind-power auxiliary generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221349A (en) * | 2014-06-23 | 2016-01-06 | 刘映华 | A kind of photo-thermal power station wind-power auxiliary generation system |
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2014
- 2014-06-23 CN CN201420338348.7U patent/CN203925888U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221349A (en) * | 2014-06-23 | 2016-01-06 | 刘映华 | A kind of photo-thermal power station wind-power auxiliary generation system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20141105 Termination date: 20200623 |