CN114658588B - Wave-crossing type energy storage power generation and turbulent flow protection system and using method thereof - Google Patents

Wave-crossing type energy storage power generation and turbulent flow protection system and using method thereof Download PDF

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Publication number
CN114658588B
CN114658588B CN202210547076.0A CN202210547076A CN114658588B CN 114658588 B CN114658588 B CN 114658588B CN 202210547076 A CN202210547076 A CN 202210547076A CN 114658588 B CN114658588 B CN 114658588B
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water
annular
wave
wind power
collecting tank
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CN114658588A (en
Inventor
高兴政
陈旭光
严加豪
刘茜茜
王华鹏
解安琪
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Ocean University of China
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Ocean University of China
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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
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/141—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy with a static energy collector
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/0017—Means for protecting offshore constructions
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/0017—Means for protecting offshore constructions
    • E02B17/0026—Means for protecting offshore constructions against corrosion
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/0017—Means for protecting offshore constructions
    • E02B17/003—Fenders
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B9/00—Water-power plants; Layout, construction or equipment, methods of, or apparatus for, making same
    • E02B9/08—Tide or wave power plants
    • 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • 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
    • Y02E10/20—Hydro energy
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids

Abstract

The invention discloses a wave-crossing type energy storage power generation and turbulence protection system and a using method thereof, and belongs to the technical field of ocean wind power equipment. The system comprises an annular collecting tank, a water storage device, a hydraulic generator, an electric control unit and a wave-crossing reflector sleeved outside the wind power tower, wherein the wave-crossing reflector is an integrated structure formed by connecting a slope section and a reverse arc section. The slope section is of a frustum structure, the side wall of the reverse arc section is provided with an annular groove, and the wave-crossing reflector is in sliding fit with the wind power tower. The annular collecting tank is provided with an annular cavity matched with the reverse arc section. The water storage device is positioned above the annular collecting tank and is connected with the annular collecting tank through the water pumping device. The water storage device and the annular collecting tank are connected with a water inlet pipeline of the hydraulic generator. The reverse arc section of the invention reduces the impact height of sea waves, reduces the corrosion of a splash zone to metal, converts the sea wave energy into electric energy, protects the wind power tower barrel through turbulent flow, has high utilization rate of the wave energy, and realizes the stable output of the electric energy by combining with the wind power.

Description

Wave-crossing type energy storage power generation and turbulent flow protection system and use method thereof
Technical Field
The invention relates to the technical field of ocean wind power equipment, in particular to a wave-crossing type energy storage power generation and turbulent flow protection system and a using method thereof.
Background
Wind power generation is widely adopted in China, wind power generation equipment is also installed in the ocean besides the land, and compared with the land, a base of a wind power tower cylinder is installed at the bottom of the ocean, and the wind power tower cylinder is located in the sea. The part of the wind power tower cylinder close to the sea surface can be continuously impacted by the sea waves to form a wave splash zone, the impact force of the sea waves is large, the sea waves extend upwards along the side wall of the wind power tower cylinder, the corrosion area of the wind power tower cylinder is increased, and the service life of the wind power tower cylinder is shortened.
In addition, in the prior art, the utilization efficiency of wave energy is low, and when the wind power is small at sea, the supply of wind power generation is insufficient, the output of electric energy is unstable, and the utilization of wave energy needs to be developed.
During the pile foundation of wind power tower cylinder below buries the silt on the seabed, the sea water convection can be to producing the swirl around the pile foundation, and the sea water that from top to bottom flows can erode the migration to the peripheral silt of wind power tower cylinder, forms annular erodees the hole, leads to wind power tower cylinder buried depth shallowly, has great hidden danger. Accordingly, further improvements and enhancements are needed in the art.
Disclosure of Invention
In view of the defects of the prior art, an object of the invention is to provide a wave-crossing energy storage power generation and turbulence protection system, which solves the problems that the impact height of sea waves on a wind power tower is high, the sea water corrodes the wind power tower to reduce the service life of the wind power tower, the utilization efficiency of ocean wave energy is low, and the sea water erodes and migrates silt around the wind power tower to form an annular scoured pit, so that the buried depth of the wind power tower becomes shallow, and a large hidden danger exists.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the wave-crossing type energy storage power generation and turbulence protection system comprises an annular collecting tank, a water storage device, a hydraulic generator, an electric control unit and a wave-crossing reflector sleeved outside a wind power tower, wherein the wave-crossing reflector is an integrated structure formed by a slope section and a reverse arc section positioned above the slope section in a connected mode.
The slope section is of a frustum structure with a thin upper part and a thick lower part, the side wall of the reverse arc section is provided with an annular groove, and the wave-crossing reflector is in vertical sliding fit with the side wall of the wind power tower.
The annular collecting groove is arranged on the outer side of the upper part of the wave-crossing reflector and is provided with an annular cavity which is matched with the reverse arc section and is provided with an opening at the top, and the annular collecting groove is made of corrosion-resistant materials.
The water storage device is located above the annular collecting tank, the water storage device is fixed on the wind power tower drum, the water storage device is connected with the annular collecting tank through a water pumping device, and the water storage device is made of corrosion-resistant materials.
In addition, water storage device and annular collecting vat all with hydraulic generator's water inlet pipe connection, hydraulic generator's electric power output can link to each other with the transmission network.
The wind power tower cylinder is located the part of unrestrained reflector below and is equipped with vortex protector, and vortex protector's upper surface is equipped with the rivers sensor, and vortex protector has the water inlet, and the water inlet is connected with water storage device's inside pipeline, vortex protector's upper surface has a plurality of jet orifices communicating with the water inlet.
Furthermore, the wave-crossing reflector is made of light materials and provided with a central through hole formed along the axial direction of the wave-crossing reflector, and the inner side of the wave-crossing reflector is movably connected with the wind power tower barrel through a linear bearing.
The inner ring of the linear bearing is fixedly connected with the outer wall of the wind power tower, and the outer ring of the linear bearing is fixedly connected with the side wall of the central through hole of the wave-crossing reflector.
Furthermore, the cross section of the annular groove is semicircular, the annular collecting groove and the wave-crossing reflector are coaxially and oppositely arranged, and the inner side wall of the annular collecting groove is fixedly connected with the top of the wave-crossing reflector through at least two L-shaped rods which are annularly arranged.
Further, water storage device includes the storage water tank of loop configuration and sets up the bracket in the storage water tank below, and the storage water tank cover is established in wind power tower's the outside, and its inside wall is fixed continuous with wind power tower's lateral wall.
The bracket comprises a flange seat and a plurality of two-force rods, the flange seat is tightly held on the outer side wall of the wind power tower cylinder, all the two-force rods are uniformly arranged between the flange seat and the water storage tank in an annular mode, one end of each two-force rod is hinged to the flange seat, and the other end of each two-force rod is hinged to the bottom of the water storage tank.
Furthermore, the water pumping device comprises a water pump and a flexible water pumping pipe, the water pump is installed in the water storage device, and a signal end of the water pump is in communication connection with the electric control unit.
One end of the flexible water pumping pipe is connected with an inlet of the water pumping pump, and the other end of the flexible water pumping pipe extends to the inner side of the annular collecting tank and is fixed on the annular collecting tank through a pipe clamp.
Furthermore, the hydraulic generator is arranged below the annular collecting tank and is communicated with a water inlet of the hydraulic generator through a first water conveying pipe, and the water storage tank is communicated with a water inlet of the hydraulic generator through a second water conveying pipe.
The first water pipe is provided with a first electromagnetic valve, the second water pipe is provided with a second electromagnetic valve, and the signal ends of the first electromagnetic valve and the second electromagnetic valve are in communication connection with the electric control unit.
Furthermore, the turbulence protection device comprises an annular spoiler fixedly sleeved outside the wind power tower, the water inlet is formed in the upper surface of the annular spoiler, an annular cavity is formed in the annular spoiler, and the jet port is located on the upper surface of the annular spoiler and communicated with the water inlet through the annular cavity.
Furthermore, the turbulence protection device is provided with a plurality of, and is the even outside that sets up at wind power tower cylinder of annular, including truck and wing shape blade, the truck is arranged along the normal direction of wind power tower cylinder cross-section to it is fixed continuous with wind power tower cylinder's outer wall.
The two wing-shaped blades are symmetrically arranged on two sides of the trunk and are in rotary sealing fit with the trunk, and a torsion spring is arranged at the joint of the trunk and the wing-shaped blades, so that the wing-shaped blades are kept in a horizontal state under the action of no external force.
The upper surface of the wing-shaped blade is provided with at least one jet opening, the inside of the trunk is provided with a cavity, and the water inlet is positioned at the top of the trunk and communicated with the jet opening through the cavity inside the trunk.
The invention also aims to provide a using method of the wave-crossing type energy storage power generation and turbulent flow protection system.
A use method of an overtopping type energy storage power generation and turbulent flow protection system comprises the following steps:
step one, equipment installation and debugging are carried out, the wave-crossing reflector is installed outside the wind power tower barrel, the height of the annular collecting groove relative to the reverse arc section is adjusted, and the annular collecting groove is fixedly connected with the wave-crossing reflector.
Install water storage device in the top of annular collecting vat, water storage device passes through pumping device and links to each other with annular collecting vat, installs hydraulic generator and links to each other hydraulic generator's power output end and transmission grid with its water inlet respectively with water storage device and annular collecting vat pipe connection.
And step two, the wave impacts the slope section at the lower part of the wave-overtopping reflector, rises along the side wall of the slope section to reach the reverse arc section, enters the annular groove of the reverse arc section, then the water head recoils outwards to enter the annular collecting tank, the seawater enters the annular collecting tank after passing through the reverse arc section, and the annular collecting tank continuously collects the seawater.
And step three, starting a water pumping device during the electricity utilization valley, pumping the seawater in the annular collecting tank to a water storage device by the water pumping device, and during the electricity utilization peak, enabling the seawater in the water storage device and the annular collecting tank to enter a hydraulic generator and drive blades of the hydraulic generator to rotate, so that the hydraulic generator sends electric energy to a power transmission network.
Furthermore, the wave-crossing reflector rises and falls along with the change of the sea surface, and the lower end of the wave-crossing reflector is always kept below the sea surface.
Under the condition of power consumption valley, hydraulic generator is out of work, and water pumping device continues the suction of annular collecting vat and carries out the energy storage water storage device.
During the power consumption peak, the seawater in water storage device and the annular collecting tank enters hydraulic generator and drives the hydraulic generator to supply power, and the hydraulic generator supplies power to the power transmission network to compensate the condition of insufficient wind power generation and keep continuously supplying power to the power transmission network.
By adopting the technical scheme, the invention has the beneficial technical effects that: the anti-surge collecting tank is additionally arranged outside the wind power tower barrel, the anti-surge section of the anti-surge reflecting body reduces the impact height of sea waves, the sea waves are backflushed and enter the annular collecting tank to be collected and stored, the anti-surge section is arranged to avoid metal corrosion of a splash zone, and the utilization rate of wave energy is improved. The wave energy and the wind power are fused to pump water and store energy, and the sea wave is continuously stored and converted into electric energy, so that the electric energy is stably output by combining with the wind power. The invention consumes the vortex generated around the pile foundation by spraying the seawater collected by the reverse arc type wave crossing device, thereby reducing the sediment migration caused by the vortex and limiting the development of the scour pit.
Drawings
Fig. 1 is a schematic structural diagram of a first implementation of the present invention.
Fig. 2 is a schematic sectional structure diagram of a first implementation of the invention.
FIG. 3 is a cross-sectional view of the invention in the A-A direction of FIG. 1.
Fig. 4 is a schematic structural diagram of a second implementation of the present invention.
Fig. 5 is a schematic cross-sectional structure diagram of a second implementation mode of the invention.
FIG. 6 is a cross-sectional view of the invention in the direction of view B-B in FIG. 4.
Fig. 7 is a partial enlarged view of the portion C of the invention in fig. 4.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
embodiment 1, with reference to fig. 1 to 3, a wave-crossing energy storage power generation and turbulence protection system includes an annular collecting tank 1, a water storage device 2, a hydraulic generator 3, an electronic control unit, and a wave-crossing reflector 4 sleeved outside a wind power tower 10, where the wave-crossing reflector 4 is an integrated structure formed by a slope section 41 and a reverse arc section 42 located above the slope section 41. The wave-crossing reflector 4 is made of light materials and is provided with a central through hole which is formed along the axial direction of the wave-crossing reflector 4, and the inner side of the wave-crossing reflector 4 is movably connected with the wind power tower 10 through a linear bearing. In order to facilitate installation of the wave-crossing reflector 4, the wave-crossing reflector is preferably of a split structure, namely, the wave-crossing reflector is composed of two parts split along the axis of the wave-crossing reflector, and in the installation process, the adjacent parts of the two parts of the split structure are fixedly connected through bolts.
The slope section 41 is of a frustum structure with a thin upper part and a thick lower part, the side wall of the reverse arc section 42 is provided with an annular groove 421, and the wave-crossing reflector 4 is in vertical sliding fit with the side wall of the wind power tower 10. Specifically, the cross section of the annular groove 421 is semicircular, the inner ring of the linear bearing 101 coaxially and oppositely arranged on the annular collecting groove 1 and the wave-crossing reflector 4 is fixedly connected with the outer wall of the wind power tower 10, and the outer ring of the linear bearing is fixedly connected with the side wall of the central through hole of the wave-crossing reflector 4. Because the wave-overtopping reflector 4 has certain buoyancy, the wave-overtopping reflector can float up and down along the wind power tower 10 along with the rise or the fall of the sea water so as to keep the lower end of the wave-overtopping reflector below the sea level all the time.
Annular collecting vat 1 sets up in the upper portion outside of wave reflector 4 more, has with the open annular chamber 12 in anti-arc section 42 assorted top, and the inside wall that annular chamber 12 is close to wind power tower 10 one side is the slope form, and the vertical structure of inside wall of wind power tower 10 one side is kept away from to annular chamber 12, more is favorable to collecting the reflector 4 entering sea water that waves more. The inner side wall of the annular collecting groove 1 is fixedly connected with the top of the wave-crossing reflector 4 through a plurality of L-shaped rods which are annularly arranged, the L-shaped rods form a bracket of an annular structure and are used for rigidly connecting the wave-crossing reflector 4 and the annular collecting groove 1, and the annular collecting groove 1 synchronously moves along with the wave-crossing reflector 4.
Because the lower end of the wave-overtopping reflector 4 is positioned below the sea level, the waves impact the side surface of the wave-overtopping reflector 4 and impact upwards along the wave-overtopping reflector 4, when entering the annular groove 421 on the side surface of the counter arc section 42, the waves enter the upper half part of the annular groove 421 and recoil to the outside, the waves can be prevented from continuously impacting the wind power tower 10 upwards, the impact height of the waves is reduced, the corrosion of the wind power tower 10 caused by seawater is effectively reduced, the wind power tower 10 is protected, and the service life of the wind power tower 10 is prolonged. The annular collecting tank 1 is always kept at the same height as the wave-crossing reflector 4, so that seawater backflushed by the annular groove 421 enters the annular collecting tank 1, and the seawater is continuously collected in the annular collecting tank 1.
The water storage device 2 is located above the annular collecting tank 1, the water storage device 2 is fixed on the wind power tower barrel 10, and the water storage device 2 is connected with the annular collecting tank 1 through a water pumping device. Specifically, the water storage device 2 includes a water storage tank 21 of an annular structure and a bracket 22 disposed below the water storage tank 21, the water storage tank 21 is sleeved outside the wind power tower 10, and an inner side wall of the water storage tank is fixedly connected with an outer side wall of the wind power tower 10.
The bracket 22 comprises a flange seat and a plurality of two-force rods, the flange seat is tightly held on the outer side wall of the wind power tower cylinder 10, all the two-force rods are uniformly arranged between the flange seat and the water storage tank 21 in an annular shape, one end of each two-force rod is hinged with the flange seat, and the other end of each two-force rod is hinged with the bottom of the water storage tank 21.
The water pumping device comprises a water pump 51 and a flexible water pumping pipe 52, the water pump 51 is installed in the water storage device 2, and a signal end of the water pump 51 is in communication connection with the electronic control unit. One end of the flexible water pumping pipe 52 is connected with an inlet of the water pumping pump 51, the other end of the flexible water pumping pipe extends to the inner side of the annular collecting tank 1 and is fixed on the annular collecting tank 1 through a pipe clamp, a flexible structure is adopted by the vertical part of the flexible water pumping pipe 52 to adapt to the distance change between the annular collecting tank 1 and the water storage device 2, the lower end of the flexible water pumping pipe 52 is always kept in the annular cavity 12 of the annular collecting tank 1, and seawater in the annular cavity 12 is pumped into the water storage device 2 to be stored. The seawater continuously enters the annular collecting tank 1 through the reverse arc section 42, and the space of the annular cavity 12 inside the annular collecting tank 1 is limited, so that a water storage device 2 is required to be added to store more seawater.
In addition, the water storage device 2 and the annular collecting groove 1 are both connected with a water inlet pipeline of the hydraulic generator 3, and the power output end of the hydraulic generator 3 can be connected with a power transmission network. The hydraulic generator 3 is arranged below the annular collecting tank 1 and is connected and communicated with a water inlet of the hydraulic generator 3 through a first water pipe 61, the water storage tank 21 is connected and communicated with a water inlet of the hydraulic generator 3 through a second water pipe 62, the vertical parts of the first water pipe 61 and the second water pipe 62 adopt hoses to be suitable for the up-and-down movement of the annular collecting tank 1, and the first water pipe 61 and the second water pipe 62 are always kept from being separated from the hydraulic generator 3.
Particularly, a floating body shell is arranged outside the hydraulic generator 3, the hydraulic generator 3 is sealed inside the floating body shell to prevent seawater corrosion, the hydraulic generator 3 can be fixed above the sea surface through a support arranged on the sea bed, or can be connected with the sea bed through a steel cable, the floating body shell outside the hydraulic generator 3 floats on the sea surface, and the hydraulic generator 3 with the floating body shell can only float in a certain area due to the connection of the hydraulic generator 3 with the sea bed through the steel cable, so that the hydraulic generator is suitable for tidal change.
The first water pipe 61 is provided with a first electromagnetic valve, the second water pipe 62 is provided with a second electromagnetic valve, and the signal ends of the first electromagnetic valve and the second electromagnetic valve are in communication connection with the electric control unit. The electric control unit adopts the existing electric control unit in the prior art, controls the water suction pump 51, the first water delivery pipe 61 and the second water delivery pipe 62 to be opened and closed, controls the working condition of the hydraulic generator 3 according to the actual condition, and realizes power generation and power supply to supplement the condition of insufficient wind power supply in a windless state.
The wind power tower cylinder 10 is provided with a turbulence protection device at the part below the wave-crossing reflector 4, a water flow sensor is arranged on the upper surface of the turbulence protection device, the turbulence protection device is provided with a water inlet 103, the water inlet 103 is connected with an internal pipeline of the water storage device, and a plurality of jet orifices 102 communicated with the water inlet 103 are arranged on the upper surface of the turbulence protection device.
Specifically, the turbulent flow protection device comprises an annular turbulent flow plate 81 fixedly sleeved outside the wind power tower cylinder 10, the bottom of the annular turbulent flow plate 81 is fixedly connected with the outer side wall of the wind power tower cylinder 10 through a connecting body 82, a water flow sensor is installed on the upper surface of the annular turbulent flow plate 81 and close to the edge, and a signal end of the water flow sensor is in communication connection with an electric control unit. The water inlet 103 is located on the upper surface of the annular spoiler 81, the annular spoiler 81 has an annular cavity 811 inside thereof, the jet port 102 is located on the upper surface of the annular spoiler 81 and communicates with the water inlet through the annular cavity 811, and the water inlet 103 communicates with the inside of the water storage tank 21 through the first pipe 83.
When the water flow sensor monitors that the downward flow rate of the seawater around the wind power tower 10 reaches a set value, the water flow sensor sends a signal to the electric control unit, the electric control unit controls the valve on the first pipeline 83 to be opened, the water storage tank 21 supplies water to the annular cavity 811 in the annular spoiler 81 through the first pipeline 83, and because a large pressure difference exists between the inside of the annular cavity 811 and the water storage tank 21, the water in the annular cavity 811 is upwards sprayed through the jet opening 102 and is in convection with the outside downward flowing seawater to form a turbulent flow to the outside seawater, the impact of the seawater on the silt around the pile foundation is greatly weakened together with the blocking effect of the annular spoiler 81, and a scouring pit is prevented from being formed by flushing away the silt.
Embodiment 2, with reference to fig. 3 to 7, the structure and the working principle of the wave-crossing energy storage power generation and turbulent flow protection system disclosed in embodiment 2 are substantially the same as those of embodiment 1, and the difference lies in that one side of the water storage tank 21 of embodiment 2 is provided with another set of water pumping device, the another set of water pumping device includes a submersible pump and a water supply pipe 7, the submersible pump is installed on the water storage tank 21, the water supply pipe 7 adopts a flexible pipe body, the upper port of the flexible pipe body is connected with the submersible pump, and the lower end of the flexible pipe body is always located below the sea surface, so that the seawater can be pumped into the water storage tank 21 at any time to store energy. The immersible pump is supplied power for it by wind-powered electricity generation, under the circumstances of power consumption valley, with sea water through delivery pipe 7 suction storage water tank 21, turns into the potential energy with the electric energy and carries out the energy storage, during the power consumption peak, turns into the electric energy with the potential energy of storing again through hydraulic generator 3 and supplies with to compensate the unstable situation of wind-powered electricity generation, realize the stable output of electric energy.
In addition, the structure of the turbulent flow protection device in the embodiment 2 is different from that of the turbulent flow protection device in the embodiment 1, and the turbulent flow protection devices in the embodiment 2 are multiple and are uniformly arranged outside the wind power tower in an annular shape. The turbulence protection device of this embodiment includes truck 91 and wing blade 92, and each turbulence protection device's truck 91 all arranges along the normal direction of wind power tower cylinder 10 cross-section, and the bottom of truck 91 links integratively with the lateral wall stationary phase of wind power tower cylinder 10.
The wing-shaped blades 92 are symmetrically arranged on two sides of the trunk 91, two lantern rings 921 are arranged on one side, close to the trunk 91, of the wing-shaped blades 92, the two lantern rings 921 are arranged in tandem, two annular grooves are formed in the front end and the rear end of the trunk 91 respectively, and the lantern rings 921 on the front side and the rear side of the wing-shaped blades 92 are clamped into the annular grooves of the trunk 91 respectively and are in sealing fit with the trunk 91 in a rotating mode.
The upper surface of the wing-shaped blade 92 is provided with three jet orifices 102, the trunk 91 is internally provided with a cavity, the water inlet 103 is positioned at the top of the trunk 91 and is communicated with the jet orifices 102 through the cavity inside, and the water inlet 103 is communicated with the inside of the water storage tank 21 through a second pipeline 95. The inner side of one lantern ring 921 of the fin-shaped blade 92 is provided with a water inlet hole 922 communicated with the three jet orifices 102 on the upper surface of the fin-shaped blade, the bottom of the annular groove of the trunk 91 is provided with a section of long circular hole 911 correspondingly communicated with the water inlet hole 922, sealing rings 93 are respectively arranged on two sides of the long circular hole in the annular groove, when the fin-shaped blade 92 rotates around the trunk 91, the water inlet hole 922 is ensured to be communicated with the cavity in the trunk 91 through the long circular hole all the time, and the sealing rings 93 are used for rotatably sealing the lantern ring 921 and the annular groove.
A torsion spring 94 is arranged between the inner side of the other lantern ring 921 of the wing-shaped blade 92 and the corresponding annular groove, one end of the torsion spring 94 is fixedly connected with the wing-shaped blade 92, and the other end is fixedly connected with the trunk 91. Without external force, the fin-shaped blades are kept horizontal under the action of the torsion spring 94. The water flow sensor 97 is installed at the front end of the trunk 91, and the signal output end of the water flow sensor is in communication connection with the electronic control unit. The rear end of the trunk 91 is close to the wind power tower 10, the tail nozzle 96 is installed, the interior of the tail nozzle 96 is communicated with the cavity of the trunk 91, and high-pressure water in the trunk 91 can be sprayed through the tail nozzle 96.
When the water flow sensor monitors that the downward flow rate of the seawater around the wind power tower 10 reaches a set value, a signal is sent to the electric control unit, the electric control unit controls the valve on the second pipeline 95 to be opened, the water storage tank 21 supplies water to the cavity of the trunk 91 through the second pipeline 95, because of the large pressure difference between the inside of the cavity of the trunk 91 and the water storage tank 21, the high pressure water in the cavity of the trunk 91 is injected upwards through the injection port 102, meanwhile, the seawater sprayed from the tail spray pipe plays a role in disturbing the seawater around the wind power tower cylinder 10, the seawater around the wind power tower cylinder 10 impacts the lower finned blades 92 downwards and is combined with the acting force of the torsion spring 94 on the finned blades 92, so that the finned blades 92 on the two sides of the trunk 91 swing back and forth to also play a role in disturbing the seawater, the impact force of the seawater on the silt around the pile foundation is weakened together with the seawater jetted by the turbulence protection device, and the silt is prevented from being washed away to form a washing pit.
Embodiment 3, with reference to fig. 1 to 7, a method for using an over-the-wave energy storage power generation and turbulence protection system includes the following steps:
step one, equipment installation and debugging are carried out, the wave-crossing reflector 4 is installed outside the wind power tower barrel 10, the height of the annular collecting groove 1 relative to the reverse arc section 42 is adjusted, and the annular collecting groove is fixedly connected with the wave-crossing reflector 4.
Install water storage device 2 in the top of annular collecting vat 1, water storage device 2 links to each other with annular collecting vat 1 through pumping device, installs hydraulic generator 3 and links to each other with its water inlet respectively with water storage device 2 and annular collecting vat 1 tube coupling, with hydraulic generator 3's electric power output end and transmission of electricity network.
Step two, the sea waves impact the slope section 41 at the lower part of the wave-overtaking reflector 4, rise along the side wall of the slope section 41 to reach the arc-reflecting section 42, enter the annular groove 421 of the arc-reflecting section 42, the water head reversely bounces outwards to enter the annular collecting tank 1, the sea water enters the annular collecting tank 1 after passing through the arc-reflecting section 42, and the annular collecting tank 1 continuously collects the sea water. The wave-crossing reflector 4 is lifted along with the change of the sea surface, and the lower end of the wave-crossing reflector 4 is always kept below the sea surface. The annular collecting tank 1 and the wave-crossing reflector 4 are lifted synchronously to ensure that seawater continuously backflushes into the annular collecting tank 1 through the annular groove 421.
And step three, starting the water pumping device during the power consumption valley, delivering the seawater pump 51 of the annular collecting tank 1 to the water storage device 2 by the water pumping device, delivering seawater in the water storage device 2 and the annular collecting tank 1 into the hydraulic generator 3 during the power consumption peak, driving blades of the hydraulic generator 3 to rotate, and delivering electric energy to the power transmission network by the hydraulic generator 3. Under the condition of power consumption valley, hydraulic generator 3 is out of work, and pumping device carries out the energy storage with annular collecting vat 1 lasts the suction water storage device 2.
During the peak of power consumption, the seawater in the water storage device 2 and the annular collecting tank 1 enters the hydraulic generator 3 and drives the hydraulic generator to supply power, and the hydraulic generator 3 supplies power to the power transmission network so as to compensate the condition of insufficient wind power generation and keep continuously supplying power to the power transmission network.
In addition, when the water flow sensor on the turbulence protection device detects that the downward flow velocity of the seawater around the wind power tower 10 reaches a set value, the seawater in the water storage device 2 enters the turbulence protection device through the water inlet 103 and is upwards sprayed through the jet orifice 102 to disturb the external seawater, so that the downward flow velocity of the seawater is reduced.
Specifically, when the spoiler guard employs the structure in embodiment 1, the operation process thereof is as follows: when the water flow sensor monitors that the downward flow rate of the seawater around the wind power tower 10 reaches a set value, the water flow sensor sends a signal to the electric control unit, the electric control unit controls the valve on the first pipeline 83 to be opened, the water storage tank 21 supplies water to the annular cavity 811 in the annular spoiler 81 through the first pipeline 83, and because a large pressure difference exists between the inside of the annular cavity 811 and the water storage tank 21, the water in the annular cavity 811 is upwards sprayed through the jet opening 102 and is in convection with the outside downward flowing seawater to form a turbulent flow to the outside seawater, the impact of the seawater on the silt around the pile foundation is greatly weakened together with the blocking effect of the annular spoiler 81, and a scouring pit is prevented from being formed by flushing away the silt.
Specifically, when the spoiler guard employs the structure in embodiment 2, the operation process thereof is as follows: when the water flow sensor monitors that the downward flow rate of the seawater around the wind power tower cylinder 10 reaches a set value, the water flow sensor sends a signal to the electric control unit, the electric control unit controls the valve on the second pipeline 95 to be opened, the water storage tank 21 supplies water to the cavity of the trunk 91 through the second pipeline 95, because of the large pressure difference between the inside of the cavity of the trunk 91 and the water storage tank 21, the high pressure water in the cavity of the trunk 91 is injected upwards through the injection port 102, meanwhile, the seawater sprayed out through the tail nozzle plays a role in disturbing the seawater around the wind power tower cylinder 10, the seawater around the wind power tower cylinder 10 impacts the lower finned blades 92 downwards and is combined with the acting force of the torsion springs 94 on the finned blades 92, the finned blades 92 on the two sides of the trunk 91 swing back and forth to also play a role in disturbing the seawater, the seawater sprayed by the turbulent flow protection device weakens the impact force of the seawater on the sediment around the pile foundation, and the sediment is prevented from being washed away to form a washing pit.
Parts which are not described in the invention can be realized by adopting or referring to the prior art.
Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make various changes, modifications, additions and substitutions within the spirit and scope of the present invention.

Claims (10)

1. A wave-crossing type energy storage power generation and turbulence protection system is characterized by comprising an annular collecting tank, a water storage device, a hydraulic generator, an electric control unit and a wave-crossing reflector sleeved outside a wind power tower, wherein the wave-crossing reflector is an integrated structure formed by connecting a slope section and a reverse arc section positioned above the slope section;
the slope section is of a frustum structure with a thin upper part and a thick lower part, the side wall of the reverse arc section is provided with an annular groove, and the wave-crossing reflector is vertically matched with the side wall of the wind power tower in a sliding manner;
the annular collecting groove is arranged on the outer side of the upper part of the wave-crossing reflector and is provided with an annular cavity which is matched with the reverse arc section and is provided with an opening at the top;
the water storage device is positioned above the annular collecting tank, is fixed on the wind power tower drum and is connected with the annular collecting tank through the water pumping device;
in addition, the water storage device and the annular collecting tank are both connected with a water inlet pipeline of the hydraulic generator, and the power output end of the hydraulic generator can be connected with a power transmission network;
the wind power tower is characterized in that a turbulence protection device is arranged on the portion, below the wave-crossing reflector, of the wind power tower, a water flow sensor is arranged on the upper surface of the turbulence protection device, the turbulence protection device is provided with a water inlet, the water inlet is connected with an internal pipeline of the water storage device, and a plurality of jet ports communicated with the water inlet are formed in the upper surface of the turbulence protection device.
2. The overtopping energy storage power generation and turbulence protection system as claimed in claim 1, wherein the overtopping reflector is made of a lightweight material and has a central through hole formed along an axial direction thereof, and an inner side of the overtopping reflector is movably connected with the wind power tower through a linear bearing;
the inner ring of the linear bearing is fixedly connected with the outer wall of the wind power tower, and the outer ring of the linear bearing is fixedly connected with the side wall of the central through hole of the wave-crossing reflector.
3. The overtopping energy storage power generation and flow disturbance protection system as claimed in claim 1, wherein the cross section of the annular groove is semicircular, the annular collecting groove is coaxially arranged opposite to the overtopping reflector, and the inner side wall of the annular collecting groove is fixedly connected with the top of the overtopping reflector through at least two L-shaped rods arranged annularly.
4. The overtopping energy storage power generation and turbulence protection system as claimed in claim 1, wherein the water storage device comprises a water storage tank with an annular structure and a bracket arranged below the water storage tank, the water storage tank is sleeved outside the wind power tower, and the inner side wall of the water storage tank is fixedly connected with the outer side wall of the wind power tower;
the bracket comprises a flange seat and a plurality of two-force rods, the flange seat is tightly held on the outer side wall of the wind power tower cylinder, all the two-force rods are uniformly arranged between the flange seat and the water storage tank in an annular mode, one end of each two-force rod is hinged to the flange seat, and the other end of each two-force rod is hinged to the bottom of the water storage tank.
5. The overtopping energy storage power generation and turbulence protection system as claimed in claim 1, wherein the water pumping device comprises a water pump and a flexible water pumping pipe, the water pump is installed in the water storage device, and a signal end of the water pump is in communication connection with the electronic control unit;
one end of the flexible water pumping pipe is connected with an inlet of the water pumping pump, and the other end of the flexible water pumping pipe extends to the inner side of the annular collecting tank and is fixed on the annular collecting tank through a pipe clamp.
6. The over-the-wave energy storage power generation and turbulence protection system as claimed in claim 4, wherein the hydro-generator is disposed below the annular collecting tank and is connected to and communicated with the water inlet of the hydro-generator through a first water pipe, and the water storage tank is connected to and communicated with the water inlet of the hydro-generator through a second water pipe;
the first water pipe is provided with a first electromagnetic valve, the second water pipe is provided with a second electromagnetic valve, and the signal ends of the first electromagnetic valve and the second electromagnetic valve are in communication connection with the electric control unit.
7. The system of claim 1, wherein the turbulence protection device comprises an annular spoiler fixedly secured to an exterior of the wind tower, the water inlet is disposed on an upper surface of the annular spoiler, the annular spoiler has an annular cavity therein, and the jet port is disposed on the upper surface of the annular spoiler and is communicated with the water inlet through the annular cavity.
8. The overtopping energy storage power generation and flow disturbance protection system as claimed in claim 1, wherein the flow disturbance protection devices are multiple and are uniformly arranged outside the wind power tower in an annular shape, and comprise a trunk and fin-shaped blades, and the trunk is arranged along a normal direction of the cross section of the wind power tower and is fixedly connected with the outer wall of the wind power tower;
the two wing-shaped blades are symmetrically arranged on two sides of the trunk and are in rotary sealing fit with the trunk, a torsion spring is arranged at the joint of the trunk and the wing-shaped blades, and the wing-shaped blades are kept in a horizontal state under the action of no external force;
the upper surface of the wing-shaped blade is provided with at least one jet orifice, the trunk is internally provided with a cavity, and the water inlet is positioned at the top of the trunk and communicated with the jet orifice through the cavity inside the trunk.
9. The use of the overtopping energy storage power generation and turbulence protection system as claimed in any one of claims 1 to 8, comprising the steps of:
step one, equipment installation and debugging are carried out, a wave-crossing reflector is installed outside a wind power tower, the height of an annular collecting groove relative to a reverse arc section is adjusted, and the annular collecting groove is fixedly connected with the wave-crossing reflector;
a water storage device is arranged above the annular collecting tank and is connected with the annular collecting tank through a water pumping device, a hydraulic generator is arranged, a water inlet of the hydraulic generator is respectively connected with the water storage device and the annular collecting tank through pipelines, and a power output end of the hydraulic generator is connected with a power transmission network;
secondly, the sea waves impact the slope section at the lower part of the wave-overtaking reflector, rise along the side wall of the slope section to reach the arc-reflecting section, enter the annular groove of the arc-reflecting section, reversely flush a water head outwards to enter the annular collecting tank, and enter the annular collecting tank after passing through the arc-reflecting section, wherein the annular collecting tank continuously collects the sea water;
step three, starting a water pumping device when electricity is used in a valley, pumping the seawater in the annular collecting tank into a water storage device by the water pumping device, enabling the seawater in the water storage device and the annular collecting tank to enter a hydraulic generator when the electricity is used in a peak, driving blades of the hydraulic generator to rotate, and sending electric energy to a power transmission network by the hydraulic generator;
in addition, when a water flow sensor on the turbulence protection device detects that the downward flow velocity of the seawater around the wind power tower drum reaches a set value, the seawater in the water storage device enters the turbulence protection device through the water inlet and is upwards sprayed through the jet opening to disturb the external seawater, and the downward flow velocity of the seawater is reduced.
10. The method of claim 9, wherein the wave-overtopping reflector is raised and lowered with the change of the sea surface, and the lower end of the wave-overtopping reflector is always kept below the sea surface;
under the condition of low power consumption, the hydraulic generator does not work, and the water pumping device continuously pumps the annular collecting tank into the water storage device for storing energy;
during the peak of power consumption, the seawater in water storage device and the annular collecting tank gets into hydraulic generator and drives it to supply power, and hydraulic generator supplies power to the transmission network.
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