CN116085173A - Wind turbine generator system dilatation power generation device and wind power system - Google Patents

Wind turbine generator system dilatation power generation device and wind power system Download PDF

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Publication number
CN116085173A
CN116085173A CN202310234626.8A CN202310234626A CN116085173A CN 116085173 A CN116085173 A CN 116085173A CN 202310234626 A CN202310234626 A CN 202310234626A CN 116085173 A CN116085173 A CN 116085173A
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CN
China
Prior art keywords
water
wind turbine
tank
storage tank
water storage
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Pending
Application number
CN202310234626.8A
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Chinese (zh)
Inventor
刘圣源
秦海峰
郭辰
郭耀华
白小元
冶学斌
王海军
杜彦仪
许溁
陈国武
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin University
Huaneng Clean Energy Research Institute
Huaneng Longdong Energy Co Ltd
Original Assignee
Tianjin University
Huaneng Clean Energy Research Institute
Huaneng Longdong Energy Co Ltd
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Publication date
Application filed by Tianjin University, Huaneng Clean Energy Research Institute, Huaneng Longdong Energy Co Ltd filed Critical Tianjin University
Priority to CN202310234626.8A priority Critical patent/CN116085173A/en
Publication of CN116085173A publication Critical patent/CN116085173A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/06—Stations or aggregates of water-storage type, e.g. comprising a turbine and a pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/706—Application in combination with an electrical generator
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Wind Motors (AREA)

Abstract

The invention relates to a capacity-expansion power generation device of a wind turbine generator and a wind power system. The capacity-expansion power generation device of the wind turbine comprises a water storage tank, a water collection tank, a valve and a bidirectional water turbine, wherein the water storage tank is suitable for being arranged on the existing foundation of the wind turbine, the water collection tank is located above the water storage tank, one end of the valve is communicated with the water collection tank, the bidirectional water turbine is provided with a first port and a second port, the first port is communicated with the water storage tank, the second port is communicated with the other end of the valve, the bidirectional water turbine is suitable for being connected with a wind power supply assembly of the wind turbine, and the bidirectional water turbine is used for conveying water in the water storage tank into the water collection tank or discharging water in the water collection tank into the water storage tank. The capacity expansion generating device of the wind turbine can fully utilize the existing foundation of the original wind turbine, complete capacity expansion transformation of the original wind turbine, save the investment cost and time of transformation, and facilitate smooth power output of the wind power system.

Description

Wind turbine generator system dilatation power generation device and wind power system
Technical Field
The invention relates to the technical field of wind power engineering, in particular to a capacity-expansion power generation device of a wind turbine generator and a wind power system.
Background
Wind power is used as an important component of clean energy, and has the advantages of no pollution, reproducibility, relatively low cost and the like. The wind farm built in the early stage of wind power development occupies better wind energy resources, and with the development of a large-capacity fan, the wind driven generator built previously has the problems of low installed capacity and ageing of a unit, so that the economic benefit is limited. The method for updating or expanding the capacity of the existing wind power plant can improve the utilization rate of resources, the upper wind power generator set is replaced, and the lower foundation structure is expanded and reinforced, so that the method is one way for improving the integral installed capacity of the wind power plant. The common method for expanding the foundation is to pour or prefabricate concrete blocks on the original foundation, so that the stability of the foundation structure is improved, but the redesign of the original foundation has the problems of high manufacturing cost, long construction period and the like, and the defects of long concrete curing period, easiness in damage of new and old concrete joints and the like are also caused.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the invention provides the capacity expansion power generation device of the wind turbine, which can fully utilize the existing foundation of the original wind turbine, finish the capacity expansion transformation of the original wind turbine, save the investment cost and time of transformation and be beneficial to the smooth power output of the wind power system.
The embodiment of the invention provides a wind power system.
The capacity-expansion power generation device of the wind turbine generator set comprises:
the water storage tank is suitable for being arranged on the existing foundation of the wind turbine generator;
the water collecting tank is positioned above the water storage tank;
one end of the valve is communicated with the water collection tank; and
the bidirectional water turbine is provided with a first port and a second port, the first port is communicated with the water storage tank, the second port is communicated with the other end of the valve, the bidirectional water turbine is suitable for being connected with a wind power supply assembly of the wind turbine generator, and the bidirectional water turbine sends water in the water storage tank into the water collection tank or discharges water in the water collection tank into the water storage tank.
The capacity expansion power generation device of the wind turbine can fully utilize the existing foundation of the original wind turbine, complete capacity expansion transformation of the original wind turbine, save the investment cost and time of transformation, and facilitate smooth power output of a wind power system.
In some embodiments, the water storage tank comprises a plurality of first tanks, the first tanks are arranged around the tower of the wind turbine generator, and the first tanks are communicated with one another.
In some embodiments, the water collection tank is disposed on the water storage tank, the water collection tank being disposed around the tower.
In some embodiments, the water collection tank comprises a plurality of second tanks, a plurality of second tanks are communicated, and the second tanks are integrally formed with the first tanks.
In some embodiments, a baffle is arranged in the water collection tank, the baffle divides the interior of the water collection tank into a first chamber and a second chamber, the valve is arranged on the baffle, one end of the valve is communicated with the second chamber, the bidirectional water turbine is arranged in the first chamber, a first access door is arranged on the water collection tank, and the first access door corresponds to the first chamber.
In some embodiments, the water storage tank is provided with a first ventilation hole, and/or the water storage tank is provided with a second ventilation hole.
In some embodiments, the tower of the wind turbine has a cavity, and a mounting hole is formed in the tower and is communicated with the cavity;
the water collection tank is arranged in the cavity of the tower, a connecting pipe is arranged at the lower end of the water collection tank, the lower side of the connecting pipe is attached to the existing foundation, the connecting pipe penetrates through the mounting hole, and the valve is arranged on the connecting pipe.
In some embodiments, the inner diameter of the connecting tube tapers in a direction from the header tank to the second port.
In some embodiments, the wind turbine capacity expansion generating device further comprises a support frame, wherein the support frame is spaced from the water storage tank, and the water collection tank is arranged on the support frame.
The wind power system of the embodiment of the invention comprises:
the wind power generation set comprises an existing foundation, a tower barrel and a wind power supply assembly; and
the capacity-expansion generating device of the wind turbine, wherein the capacity-expansion generating device of the wind turbine is any one of the capacity-expansion generating devices of the wind turbine, the water storage tank is arranged on the existing foundation, and the bidirectional water turbine is connected with the wind power supply assembly.
The wind power system provided by the embodiment of the invention can fully utilize the existing foundation of the original wind power generation set, complete the capacity expansion transformation of the original wind power generation set, save the investment cost and time of transformation and realize the smooth power output of the wind power system.
Drawings
FIG. 1 is a schematic structural diagram of a capacity expansion power generation device and a wind power system of a wind turbine generator system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a partial structure of a capacity-expansion power generation device of a wind turbine according to an embodiment of the present invention;
fig. 3 is a schematic top view of a header tank according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a wind turbine generator system and a wind turbine generator system according to another embodiment (second ventilation holes are not shown);
fig. 5 is a partial structural schematic diagram of fig. 4.
FIG. 6 is a schematic structural diagram of a wind turbine generator system and a capacity-expanding power generation device according to other embodiments.
Reference numerals:
wind power system 1000, wind turbine generator system capacity expansion generating set 100, photovoltaic generating set 200;
a water storage tank 1, a first tank 11, a first installation chamber 12, a second access door 121, a second installation chamber 13, a third access door 131, and a first ventilation hole 14;
the water collection tank 2, the second tank body 21, the third chamber 211, the fourth chamber 212, the baffle 22, the first chamber 23, the second chamber 24, the first access door 25, the connecting pipe 26 and the second ventilation hole 27;
valve 3, two-way hydraulic turbine 4, drain pipe 5, support frame 6, existing basis 7, tower section of thick bamboo 8.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 6, a wind power system 1000 according to an embodiment of the present invention includes a wind turbine generator and a wind turbine generator system capacity-expanding power generation device 100.
The wind turbine generator comprises an existing foundation 7, a tower barrel 8 and a wind power supply assembly.
The wind turbine generator expansion power generation device 100 comprises a water storage tank 1, a water collection tank 2, a valve 3 and a bidirectional water turbine 4, wherein the water storage tank 1 is arranged on an existing foundation 7, the water collection tank 2 is located above the water storage tank 1, one end of the valve 3 is communicated with the water collection tank 2, the bidirectional water turbine 4 is provided with a first port and a second port, the first port is communicated with the water storage tank 1, the second port is communicated with the other end of the valve 3, the bidirectional water turbine 4 is connected with a wind power supply assembly, and the bidirectional water turbine 4 sends water in the water storage tank 1 into the water collection tank 2 or discharges water in the water collection tank 2 into the water storage tank 1.
The wind turbine generator system 1000 of the embodiment of the invention utilizes wind power to generate electricity, and the wind power supply component is used for connecting a power grid to integrate the electric energy generated by the wind turbine generator system into the power grid. The water storage tank 1 of the capacity-expansion power generation device 100 of the wind turbine is internally provided with water, the bidirectional water turbine 4 is started in the peak period of power generation of the wind turbine, and the bidirectional water turbine 4 utilizes part of electric energy generated in the peak period of the wind turbine to send the water in the water storage tank 1 into the water collection tank 2 to lift potential energy of the water so as to achieve the purpose of energy storage. When the wind turbine generator is in a low-valley period of power generation, the valve 3 is opened, water in the water collecting tank 2 flows into the water storage tank 1 downwards through the bidirectional water turbine 4, and when the water flows through the bidirectional water turbine 4, kinetic energy generated in the process of releasing potential energy by the water drives the bidirectional water turbine 4 to operate, so that the bidirectional water turbine 4 generates power, and then electric energy is integrated into a power grid.
The bidirectional water turbine 4 of the capacity-expanding power generation device 100 of the wind turbine utilizes the electric energy of the peak period generated by the wind turbine to increase the potential energy of water, and when the wind turbine is in the valley period of power generation, the bidirectional water turbine 4 utilizes the process of releasing the potential energy by the water to generate power, so that the electric energy output power of the wind power system 1000 in the valley period of the wind turbine is increased, and the smooth power output of the wind power system 1000 is realized.
In addition, the water storage tank 1 of the capacity expansion generating device 100 of the wind turbine can be used as a counterweight of the existing foundation 7 of the wind turbine, the original foundation structure (namely the existing foundation 7) of the wind turbine is fully utilized, when the capacity expansion of the original wind turbine is improved, the stability of the wind turbine after the capacity expansion improvement is improved, the existing foundation 7 can bear larger load caused by the increase of the installed capacity of the wind turbine, the waste of materials such as concrete and steel bars and the like and the engineering quantity of large-scale development and backfilling caused by the replacement of the existing foundation 7 are avoided, and the input cost and time are saved. Moreover, the water can be stored in the water storage tank 1, the weight of the water storage tank 1 is increased by the self weight of the water, the counterweight of the wind turbine expansion power generation device 100 acting on the existing foundation 7 is further improved, and the stability of the wind turbine after expansion transformation is further improved. The water in the water storage tank 1 can also circulate between the water storage tank 1 and the water storage tank 2 under the action of the bidirectional water turbine 4, the bidirectional water turbine 4 utilizes the electric energy of a part of wind turbine generator peak time to send the water from the water storage tank 1 to the water storage tank 2, and in the wind turbine generator valley time, the water is discharged from the water storage tank 2 to the water storage tank 1 to generate electricity, so that the smooth power output of the wind power system 1000 is realized.
Therefore, the capacity expansion generating device 100 of the wind turbine generator provided by the embodiment of the invention can fully utilize the existing foundation 7 of the original wind turbine generator, complete the capacity expansion transformation of the original wind turbine generator, save the investment cost and time of transformation, and facilitate the smooth power output of the wind power system 1000.
In order to make the solution of the present application easier to understand, an explanation will be given by taking fig. 1 to 3 as an example.
The wind power system 1000 of the embodiment of the invention comprises a wind turbine generator, a wind turbine generator capacity-expansion generating device 100 and a photovoltaic generator.
The wind turbine generator comprises an existing foundation 7, a tower barrel 8 and a wind power supply assembly. The tower 8 is arranged on the existing foundation 7, and the tower 8 is provided with a cavity. And the wind power supply assembly rectifies the electric energy generated by the wind turbine generator, and then the electric energy is integrated into a power grid.
The capacity-expansion power generation device 100 of the wind turbine generator comprises a water storage tank 1, a water collection tank 2, a valve 3 and a bidirectional water turbine 4, wherein the water storage tank 1 is arranged on an existing foundation 7, the water collection tank 2 is positioned above the water storage tank 1, one end of the valve 3 is communicated with the water collection tank 2, the bidirectional water turbine 4 is provided with a first port and a second port, the first port is communicated with the water storage tank 1, the second port is communicated with the other end of the valve 3, the bidirectional water turbine 4 is connected with a wind power supply assembly, and the bidirectional water turbine 4 sends water in the water storage tank 1 into the water collection tank 2 or discharges water in the water collection tank 2 into the water storage tank 1.
The water storage tank 1 is provided with a first ventilation hole 14, and the first ventilation hole 14 enables the air pressure inside the water storage tank 1 to be the same as the external atmospheric pressure. The water collection tank 2 is provided with a second ventilation hole 27, and the second ventilation hole 27 enables the air pressure inside the water collection tank 2 to be the same as the external atmospheric pressure.
The provision of the first ventilation holes 14 and the second ventilation holes 27 improves the smoothness of circulation of water between the water storage tank 1 and the water collection tank 2, and reduces resistance to movement of water caused by air pressure variation inside each of the water storage tank 1 and the water collection tank 2.
The water storage tank 1 comprises a plurality of first boxes 11, the first boxes 11 are arranged around the tower 8 of the wind turbine generator, and the first boxes 11 are communicated. The water storage tank 1 adopts a plurality of first box 11 to splice, and first box 11 can be prefabricated in advance, has reduced the manufacturing degree of difficulty and the installation degree of difficulty of water storage tank 1, has reduced the construction cycle of water storage tank 1.
Referring to fig. 1, the lower end surface of the first box 11 is attached to the upper end surface of the existing foundation 7, the first box 11 is fixedly connected with the existing foundation 7 through a first bolt, and the sealing water can be sealed and stopped at the joint of the first bolt and the first box 11 through filling water stopping materials, so that the tightness of the first box 11 is ensured.
And the adjacent two first boxes 11 are attached, the adjacent two first boxes 11 are connected through a second bolt, and a water stopping material is filled in a connecting gap between the second bolt and the first boxes 11 to seal and stop water. The water stopping material can be resin or rubber.
Two adjacent first boxes 11 are communicated through a first connecting pipeline. Specifically, one of the two adjacent first boxes 11 is provided with a first connecting pipeline, the other one of the two adjacent first boxes 11 is provided with a first connecting hole, the first connecting pipeline is matched in the first connecting hole, and the first connecting pipeline is positioned at the lower side of the first box 11. The flow of the water in a plurality of first boxes 11 can be guaranteed to the intercommunication between a plurality of first boxes 11, and first connecting pipe is located the downside of first box 11 and guarantees the water level unanimity between a plurality of first boxes 11, guarantees the homogeneity of the counter weight of current basis 7.
In some embodiments, the first ventilation holes 14 are provided at the upper side of the first tank 11, and the height of the first ventilation holes 14 is higher than the highest water line in the first tank 11.
The first air hole 14 is provided with a first two-way valve, so that under the condition that the air pressure in the first box 11 is the same as the external atmospheric pressure, external impurities are prevented from falling into the first box 11 through the first air hole 14 to affect the water quality and the use of the two-way water turbine 4.
In some embodiments, referring to fig. 1, a water collection tank 2 is provided on the water storage tank 1, and the water collection tank 2 is provided around the tower 8. The water collection tank 2 is arranged on the water storage tank 1, so that the counterweight of the existing foundation 7 is increased, the stability of the original wind turbine after capacity expansion transformation is further increased, and the load quantity which can be born by the existing foundation 7 is further improved. Meanwhile, in the circulation process of water between the water storage tank 1 and the water collecting tank 2, the dead weight of the water always acts on the existing foundation 7 through the water collecting tank 2 and the water storage tank 1, and the counterweight of the existing foundation 7 is further increased.
The water storage tank 1, the water collection tank 2 and water (water in each of the water storage tank 1 and the water collection tank 2) are used as the balance weight on the existing foundation 7, so that the stability of the original wind turbine after capacity expansion transformation is greatly improved. Under the condition of meeting the balance weight required by the capacity expansion transformation of the original wind turbine, the water storage tank 1 and/or the water collection tank 2 can be made of steel plates.
When the bidirectional water turbine 4 sends water in the water storage tank 1 into the water collection tank 2 for energy storage operation, the water in the water storage tank 1 can be completely sent into the water collection tank 1 so as to fully utilize the water quantity in the water storage tank 1 for power generation.
Be equipped with baffle 22 in header tank 2, baffle 22 is divided into first cavity 23 and second cavity 24 with the inside of header tank 2, and valve 3 is established on baffle 22, and the one end and the second cavity 24 intercommunication of valve 3, two-way hydraulic turbine 4 are established in first cavity 23, are equipped with first access door 25 on the header tank 2, and first access door 25 corresponds with first cavity 23. The top end of the baffle 22 is higher than the highest water level line in the header tank 2 (i.e., in the second chamber 23).
The second chamber 24 is a water storage area, the first chamber 23 is a water-free area, the bidirectional water turbine 4 is arranged in the first chamber 23, and the bidirectional water turbine 4 is isolated from the water storage area by the baffle 22, so that personnel can overhaul and maintain the bidirectional water turbine 4 conveniently.
In some embodiments, the wind turbine generator system 100 further includes a drain 5, one end of the drain 5 being in communication with the second port, and the other end of the drain 5 being located within the second chamber 24 beyond the baffle 22. When energy storage is required, the bi-directional water turbine 4 sends water in the water storage tank 1 to the second chamber 24 of the water collection tank 2 through the water discharge pipe 5, and the valve 3 is in a closed state.
The other end of the drain pipe 5 is adjacent to the bottom wall surface of the second chamber 24, and vibration of the water generated during the process of draining the water to the second chamber 24 of the water collection tank 2 can be reduced, and adverse effects of the vibration on the water collection tank 2 and the water covering tank 1 can be reduced.
The header tank 2 includes a plurality of second boxes 21, communicates between a plurality of second boxes 21, and second box 21 and first box 11 integrated into one piece for first box 11 and second box 21 can prefabricated the completion in advance, directly assemble on existing basis 7 in former wind turbine generator system dilatation transformation in-process, reduced header tank 2's the manufacturing degree of difficulty and the installation degree of difficulty, reduced header tank 2's installation period.
A baffle 22 is provided in one of the plurality of second cases 21, the baffle 22 dividing the interior of the second case 21 into a third chamber 211 and a fourth chamber 212, the third chamber 211 constituting the first chamber 23 and the fourth chamber 212 constituting a part of the second chamber 24.
And the two adjacent second boxes 21 are attached, the two adjacent second boxes 21 are connected through a third bolt, and a water stopping material is filled in a connecting gap between the third bolt and the second boxes 21 to seal and stop water. The water stopping material can be resin or rubber.
Two adjacent second boxes 21 are communicated through a second connecting pipeline. Specifically, one of the two adjacent second boxes 21 is provided with a second connecting pipe, the other of the two adjacent second boxes 21 is provided with a second connecting hole, the second connecting pipe is matched in the second connecting hole, and the second connecting pipe is positioned at the lower side of the second box 21. The flow of the water in a plurality of second boxes 21 can be guaranteed to the intercommunication between a plurality of second boxes 21, and the second connecting pipe is located the downside of second box 21 and guarantees the water level unanimity between a plurality of second boxes 21, guarantees the homogeneity of the counter weight of current basis 7.
In some embodiments, the second ventilation hole 27 is provided at the upper side of the second tank 21, and the height of the second ventilation hole 27 is higher than the highest water line in the second tank 21.
The second ventilation hole 27 is provided with a second bidirectional valve, so that external impurities are prevented from falling into the second box body 21 through the second ventilation hole 27 to affect the water quality and the use of the bidirectional water turbine 4 under the condition that the air pressure in the second box body 21 is ensured to be the same as the external atmospheric pressure.
Additional embodiments of the wind turbine capacity expansion device 100 of the present invention are described below.
Referring to fig. 4 and 5, the tower 8 is provided with a mounting hole, and the mounting hole is communicated with the cavity of the tower 8. The header tank 2 is provided in the cavity of the tower 8, a second ventilation hole (not shown in fig. 4) is provided at the upper end of the header tank 2, a connection pipe 26 is provided at the lower end of the header tank 2, the lower side of the connection pipe 26 is attached to the existing foundation 7, the connection pipe 26 passes through the installation hole, and the valve 3 is provided on the connection pipe 26. In this embodiment, the water collection tank 2 and the water covering tank 1 of the capacity expansion generating device 100 of the wind turbine generator system are separately arranged, and the water covering tank 1 and the water collection tank 2 can be manufactured separately.
The water collection tank 2 is arranged in the cavity of the tower 8, and the whole tower 8 is slender, so that the water collection tank 2 is slender, and water in the water collection tank 2 is slender and columnar, so that the water in the water collection tank 2 has a higher water head. That is, the water in the water collection tank 2 has the characteristic of high water head, and can also provide the required kinetic energy of the water for the bidirectional water turbine 4 to generate electricity.
The inner diameter of the connection pipe 26 is gradually reduced in a direction from the header tank 2 toward the second port. The underside of the connecting pipe 26 is attached to the existing foundation 7, so that the connecting pipe 26 is convenient to fix, and the problem of pipeline vibration caused by the water flowing process can be reduced. The inner diameter of the connection pipe 26 is gradually reduced in the direction from the header tank 2 to the second port, so that the friction force when water flows from the header tank 2 to the second port of the bi-directional water turbine 4 is reduced, the local head loss is reduced, and the power generation efficiency of the bi-directional water turbine 4 is improved.
Specifically, the water storage tank 1 is formed by casting concrete.
A first installation chamber 12 is provided inside one of the plurality of first tanks 11, the first installation chamber 12 being located at an upper side of the first tank 11, the first installation chamber 12 being located at an inner side of the first tank 11 to be adjacent to the water collection tank 2. The bi-directional hydraulic turbine 4 is provided in a first installation chamber 12, and the first installation chamber 12 isolates the bi-directional hydraulic turbine 4 from the water in the first tank 11. The first installation chamber 12 is provided with a second access door 121, so that personnel can conveniently overhaul and maintain the bidirectional water turbine 4.
In the process of the bi-directional water turbine 4 delivering the water in the water storage tank 1 to the water storage tank 2, the valve 3 is in an open state. When the energy storage process is over, the valve 3 is closed. When the bidirectional water turbine 4 is required to generate electricity, the valve 3 is opened, and water in the water tank 2 is discharged into the water storage tank 1 through the bidirectional water turbine 4.
In other embodiments, referring to fig. 6, the wind turbine capacity expansion generating device 100 further includes a support frame 6, where the support frame 6 is spaced apart from the water storage tank 1, and the water storage tank 2 is disposed on the support frame 6. The water collecting tank 2 is spaced from the water storing tank 1, the construction process of erecting the supporting frame 6 and the water collecting tank 2 does not influence the capacity expansion transformation process of the original wind turbine generator, and the construction can be performed simultaneously, and the construction period is short.
In addition, the water collection tank 2 of the capacity-expansion generating device 100 of the wind turbine generators can be the same water collection tank, and the supporting frame 6 of the capacity-expansion generating device 100 of the wind turbine generators can be the same supporting frame, so that the number of the water collection tank 2 can be reduced in the capacity-expansion transformation process of the original wind turbine generators of the wind power plant, the capacity-expansion transformation period of the original wind turbine generators of the wind power plant is further reduced, and the utilization efficiency of the water collection tank 2 is also improved.
A second installation chamber 13 is provided in one of the plurality of first tanks 11, the second installation chamber 13 being located at an upper side of the first tank 11, and the second installation chamber 13 being located at an outer side of the first tank 11 to be adjacent to the water collection tank 2. The bi-directional water turbine 4 is provided in a second installation chamber 13, and the second installation chamber 13 isolates the bi-directional water turbine 4 from the water in the first tank 11. The second installation chamber 13 is provided with a third access door 131, so that personnel can conveniently overhaul and maintain the bidirectional water turbine 4.
Specifically, the water storage tank 1 is formed by casting concrete. When the bi-directional water turbine 4 delivers water in the water reservoir 1 into the water collection tank 2, a large portion of the water in the water reservoir 1 may be delivered into the water collection tank 1, leaving a portion of the water in the water reservoir 1.
In addition, wind power system 1000 of the present embodiment further includes a photovoltaic power generation unit 200, photovoltaic power generation unit 200 having a photovoltaic panel and a photovoltaic power module. The photovoltaic panel is provided on at least one of the header tank 2, the water-covering tank 1, and the tower 8. The bidirectional water turbine 4 is connected with a photoelectric power supply group.
Specifically, when the water collection tank 2 is provided on the water storage tank 1, a photovoltaic panel is provided on each of the water collection tank 2 and the tower 8, as shown in fig. 1; when the water collection tank 2 is arranged in the cavity of the tower 8, each of the water covering tank 1 and the tower 8 is provided with a photovoltaic panel, see fig. 4; when the header tank 2 is provided on the support frame 6, a photovoltaic panel is provided on each of the header tank 2, the water-covering tank 1, and the tower 8, as shown in fig. 6. The photovoltaic panel provided on the tower 8 is a flexible photovoltaic panel.
The electricity generated by the photovoltaic generator set is integrated into a power grid, wherein a part of electric energy can be directly used as a power supply of the bidirectional water turbine 4, the bidirectional water turbine 4 can be started to send water in the water storage tank 1 into the water collection tank 2 for energy storage according to the power output requirement of the wind turbine set, and the water in the water collection tank 2 is discharged into the water storage tank 1 through the bidirectional water turbine 4 for power generation, so that the smooth power output of the wind power system 1000 is further ensured.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. The utility model provides a wind turbine generator system dilatation power generation facility which characterized in that includes:
the wind turbine generator comprises a water storage tank (1), wherein the water storage tank (1) is suitable for being arranged on an existing foundation (7) of the wind turbine generator;
the water collecting tank (2) is positioned above the water storage tank (1);
the valve (3) is communicated with the water collection tank (2) at one end of the valve (3); and
the bidirectional hydraulic turbine (4), bidirectional hydraulic turbine (4) have first port and second port, first port with water storage tank (1) intercommunication, the second port with the other end intercommunication of valve (3), bidirectional hydraulic turbine (4) be suitable for with wind turbine unit's wind-powered electricity generation power supply unit is connected, bidirectional hydraulic turbine (4) will water in water storage tank (1) is sent in water collection tank (2) or will water in water collection tank (2) is discharged to in water storage tank (1).
2. The capacity-expansion power generation device of a wind turbine generator according to claim 1, wherein the water storage tank (1) comprises a plurality of first tanks (11), the plurality of first tanks (11) are arranged around a tower (8) of the wind turbine generator, and the plurality of first tanks (11) are communicated with each other.
3. The capacity-expansion power generation device of a wind turbine generator system according to claim 2, wherein the water collection tank (2) is arranged on the water storage tank (1), and the water collection tank (2) is arranged around the tower (8).
4. A wind turbine generator system capacity expansion generating set according to claim 3, wherein the water collection tank (2) comprises a plurality of second tanks (21), a plurality of second tanks (21) are communicated, and the second tanks (21) and the first tanks (11) are integrally formed.
5. A wind turbine capacity expansion generating set according to claim 3, wherein a baffle plate (22) is arranged in the water collecting tank (2), the baffle plate (22) divides the interior of the water collecting tank (2) into a first chamber (23) and a second chamber (24), the valve (3) is arranged on the baffle plate (22), one end of the valve (3) is communicated with the second chamber (24), the bidirectional water turbine (4) is arranged in the first chamber (23), a first access door (25) is arranged on the water collecting tank (2), and the first access door (25) corresponds to the first chamber (23).
6. The capacity-expansion power generation device of a wind turbine generator according to claim 5, wherein the water storage tank (1) is provided with a first ventilation hole (14) and/or the water collection tank (2) is provided with a second ventilation hole (27).
7. The capacity-expansion power generation device of a wind turbine generator according to claim 1, wherein a tower (8) of the wind turbine generator is provided with a cavity, a mounting hole is arranged on the tower (8), and the mounting hole is communicated with the cavity;
the water collecting tank (2) is arranged in the cavity of the tower (8), a connecting pipe (26) is arranged at the lower end of the water collecting tank (2), the lower side of the connecting pipe (26) is attached to the existing foundation (7), the connecting pipe (26) penetrates through the mounting hole, and the valve (3) is arranged on the connecting pipe (26).
8. Wind turbine generator system expansion generating device according to claim 7, wherein the inner diameter of said connecting pipe (26) tapers in a direction from said header tank (2) to said second port.
9. The capacity-expanding power generation device of a wind turbine generator according to claim 1, further comprising a support frame (6), wherein the support frame (6) is spaced apart from the water storage tank (1), and the water collection tank (2) is arranged on the support frame (6).
10. A wind power system, comprising:
the wind power generation set comprises an existing foundation (7), a tower (8) and a wind power supply assembly; and
the capacity-expansion generating device of the wind turbine, which is the capacity-expansion generating device of the wind turbine according to any one of claims 1 to 9, wherein the water storage tank (1) is arranged on the existing foundation (7), and the bidirectional water turbine (4) is connected with the wind power supply assembly.
CN202310234626.8A 2023-03-13 2023-03-13 Wind turbine generator system dilatation power generation device and wind power system Pending CN116085173A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310234626.8A CN116085173A (en) 2023-03-13 2023-03-13 Wind turbine generator system dilatation power generation device and wind power system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310234626.8A CN116085173A (en) 2023-03-13 2023-03-13 Wind turbine generator system dilatation power generation device and wind power system

Publications (1)

Publication Number Publication Date
CN116085173A true CN116085173A (en) 2023-05-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310234626.8A Pending CN116085173A (en) 2023-03-13 2023-03-13 Wind turbine generator system dilatation power generation device and wind power system

Country Status (1)

Country Link
CN (1) CN116085173A (en)

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