CN212500933U - Offshore floating wind turbine generator with energy storage device - Google Patents
Offshore floating wind turbine generator with energy storage device Download PDFInfo
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- CN212500933U CN212500933U CN202020937413.3U CN202020937413U CN212500933U CN 212500933 U CN212500933 U CN 212500933U CN 202020937413 U CN202020937413 U CN 202020937413U CN 212500933 U CN212500933 U CN 212500933U
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- wind turbine
- storage tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The utility model discloses an offshore floating wind turbine with an energy storage device, which comprises a fan, a tower, a box structure and a plurality of gas storage tanks; from top to bottom, the fan, the tower drum and the box body structure are sequentially connected, the air storage tank is arranged at equal intervals on the periphery of the box body structure, a compressor and a micro turbine are arranged in the box body structure, and the compressor is communicated with an inlet of the air storage tank; the outlet of the air storage tank is communicated with a working medium inlet of the micro turbine, and compressed air is filled in the air storage tank; an anchoring support is arranged on the periphery of the box body structure and is connected with an anchoring device through a catenary, and the anchoring device is fixed on the seabed; a counterweight is arranged in the box body structure; the electric energy input end of the compressor is connected with the electric energy output end of the wind turbine generator; compressed air in the air storage tank is used as an energy storage medium, and meanwhile buoyancy can be provided for the fan, so that the acting force of wind waves on the fan is reduced, the stability of the fan is kept, and meanwhile, the compressed air can be used for absorbing electric energy of the wind turbine.
Description
Technical Field
The utility model belongs to the technical field of marine wind power, concretely relates to marine floating wind turbine generator system with energy memory.
Background
Compared with onshore wind power, offshore wind power has the advantages of abundant wind energy resources, suitability for large-scale development, no vision and noise pollution and the like. In offshore areas, due to shallow water depth, wind turbines are based on fixed foundations. However, in open sea areas with large water depth, the fixed foundation is too high in construction cost, and various problems such as fatigue and deformation are easy to occur, so that the deep open sea wind power generation adopts a novel floating type fan.
Wind energy is one of renewable energy sources, and has the characteristics of unstable energy and poor power grid friendliness. Energy storage is an effective means for solving the problem of intermittent renewable energy. CN110611332A discloses an offshore wind power system energy memory and control method thereof, utilizes the fuzzy PID control algorithm of energy storage unit, realizes energy storage and offshore wind farm virtual control, makes the electric wire netting more stable, but this utility model designs from the control angle mainly. CN106762420B discloses an offshore wind power non-afterburning type compressed air constant-pressure energy storage device, but all piston type air storage tanks of the device are installed on a seabed foundation, which is not applicable to deep and open sea areas with large water depth. CN110657067A discloses an offshore wind power compressed air energy storage type heat reservoir and a working method thereof, but the device adopts an indirect cooling type design, and the system is relatively complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an offshore floating wind turbine unit with energy memory, compressed air in the gas holder can provide buoyancy for the fan simultaneously as energy storage medium, reduces the stormy waves and to fan effort, keeps the fan stable.
In order to achieve the purpose, the utility model adopts the technical scheme that the offshore floating wind turbine generator with the energy storage device comprises a fan, a tower, a box structure and a plurality of gas storage tanks; from top to bottom, the fan, the tower drum and the box body structure are sequentially connected, the air storage tank is arranged at equal intervals on the periphery of the box body structure, a compressor and a micro turbine are arranged in the box body structure, and the compressor is communicated with an inlet of the air storage tank; the outlet of the air storage tank is communicated with a working medium inlet of the micro turbine, and compressed air is filled in the air storage tank;
an anchoring support is arranged on the periphery of the box body structure and is connected with an anchoring device through a catenary, and the anchoring device is fixed on the seabed; a counterweight is arranged in the box body structure; the electric energy input end of the compressor is connected with the electric energy output end of the wind turbine generator.
The gas storage tank is internally provided with an electric heater, a thermometer and a pressure measuring device.
The box body structure is connected with the gas storage tank through a gas storage tank cantilever beam.
The cantilever beam of the gas storage tank is of a rod structure or a truss structure, and one or more inclined support rods are arranged to connect the box body structure and the cantilever beam of the gas storage tank.
The gas holder evenly distributed is around the box structure, and compressor and miniature turbine pass through gas line and gas holder intercommunication, and gas line sets up on the gas holder cantilever beam.
The gas storage tank is spherical or cylindrical and is made of elastic materials.
The tank body of the air storage tank is made of elastic materials.
The number of the anchoring supports, the number of the catenary and the number of the anchoring devices are 3-6, and the anchoring supports, the catenary and the anchoring devices are uniformly arranged on the circumference of the periphery of the box body structure; the anchoring device is fixed on the seabed, and each catenary is fixedly connected with 1-3 anchoring devices.
The outer surfaces of the box body structure, the cantilever beam of the gas storage tank, the gas storage tank and the anchoring support are all provided with corrosion-resistant layers.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the offshore floating wind turbine generator with the energy storage device of the utility model has the advantages that the air storage tank filled with compressed air can generate buoyancy to support the weight of the whole fan and play a role similar to a buoy; the air storage tanks are uniformly arranged on the circumference taking the fan as the circle center through the cantilever beams, so that the buoyancy is more uniform, the auxiliary anchoring device anchors the fan, and the stability of the whole structure of the fan is better; the unnecessary generated energy of fan can drive the compressor in the box structure and inhale and compressed air, and in the gas holder of sending into again, improve compressed air pressure in the gas holder, realize the energy storage, when the fan generated energy descends, partial compressed air in the gas holder gets into the miniature turbine in the box structure, turns into the electric energy, reduces the electricity generation volatility of fan whole period, the unit can improve marine floating wind turbine set's stability and generating performance, has good economic benefits and application prospect.
Furthermore, the cantilever beam adopts a truss structure or is combined with the inclined strut for use, so that the weight of the fan foundation is reduced and the manufacturing cost is reduced while stable support is achieved.
Furthermore, according to the weight and load analysis of the whole structure of the fan, the quantity and the capacity of the compressed air storage tanks are selected, and the stability of the whole structure of the fan is ensured.
Furthermore, the volume of the air storage tank can be changed along with the change of the compressed air pressure within a certain range, the buoyancy can be controlled, the tension of a catenary is relieved, and the air storage tank and the anchoring device together control the stability of the fan.
Furthermore, the volume change of the gas storage tank causes the whole fan to float upwards or sink in a certain range, so that the acting force of the fan on wind and waves can be adjusted, and the power generation adaptability and the structural stability are improved.
Further, according to the actual situation, the number of the catenary and the fixing mode of the catenary and the anchoring device are selected, and the most stable fixing mode is achieved.
Furthermore, the outer surfaces of the box body structure, the cantilever beam, the gas storage tank and the anchoring support are all provided with corrosion-resistant layers, so that the device can be prevented from being damaged by seawater corrosion, and the service life and the safety of the device are improved.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;
in the figure: 1-a fan, 2-a tower cylinder, 3-a transition section, 4-a box body structure, 5-a gas storage tank cantilever beam, 6-a gas storage tank, 7-an anchoring support, 8-a catenary and 9-an anchoring device.
Detailed Description
The invention will be described in further detail with reference to the following drawings and specific examples, which are intended to illustrate and not to limit the invention:
an offshore floating wind turbine generator with an energy storage device comprises a fan 1, a tower 2, a box body structure 4 and a plurality of gas storage tanks 6; from top to bottom, the fan 1, the tower drum 2 and the box body structure 4 are sequentially connected, the air storage tank 6 is arranged on the periphery of the box body structure 4 at equal intervals, a compressor and a micro turbine are arranged in the box body structure 4, and the compressor is communicated with an inlet of the air storage tank 6; the outlet of the air storage tank 6 is communicated with a working medium inlet of the micro turbine, and compressed air is filled in the air storage tank 6;
an anchoring support 7 is arranged on the periphery of the box body structure 4, the anchoring support 7 is connected with an anchoring device 9 through a catenary 8, and the anchoring device 9 is fixed on the seabed; a counterweight is arranged in the box body structure 4; the electric energy input end of the compressor is connected with the electric energy output end of the wind turbine generator.
Example 1
As shown in fig. 1, the offshore floating wind turbine with compressed air energy storage of the present invention comprises a fan 1, a tower 2, a transition section 3, a box structure 4, a gas storage tank cantilever beam 5, a gas storage tank 6, an anchoring support 7, a catenary 8 and an anchoring device 9; the fan 1, the tower barrel 2, the transition section 3 and the box body structure 4 are fixedly connected through flange plates in sequence. 3 gas holder cantilever beams 5 are fixed with box structure 4 and link to each other, evenly distributed is at box structure circumference. Each gas storage tank cantilever beam is about 20 meters long and is kept stable by an inclined strut. The tail end of a cantilever beam 5 of the air storage tank is connected with an air storage tank 6, a compressed air pipeline and an electric pipeline are arranged in the cantilever beam of the air storage tank, and each air storage tank is cylindrical with the diameter of 10 meters and the length of 20 meters and has the volume of 1500 cubic meters; the outer wall of the gas storage tank is made of a high-strength film material, the gas storage tank is elastic and can bear pressure of 1-3 atmospheres, and the volume of the gas storage tank can expand and contract along with the change of compressed air pressure. 3 anchoring supports 7 are further extended from the box body structure 4, the anchoring supports are 10 m long, and the tail ends of the supports are connected with anchoring devices 9 through catenary lines 8. The anchoring device 9 is fixed on the seabed and plays a role in fixing the wind turbine generator.
The box body structure 4, the cantilever beam 5 of the gas storage tank and the anchoring support 7 are all made of 316 stainless steel, and an anticorrosive coating is processed on the surface of the box body structure, so that anticorrosive treatment is carried out.
Example 2
As shown in fig. 2, the utility model discloses an offshore floating wind turbine with compressed air energy storage, including fan 1, tower section of thick bamboo 2, changeover portion 3, box structure 4, gas holder cantilever beam 5, gas holder 6, anchoring support 7, catenary 8 and anchoring device 9. The fan 1, the tower barrel 2, the transition section 3 and the box body structure 4 are fixedly connected through flange plates in sequence. 4 gas holder cantilever beams 5 are fixed continuous with box structure 4, evenly distributed is at box structure circumference. The cantilever beams of the gas storage tank are of triangular truss structures, and each cantilever beam is about 20 meters long. The tail end of the cantilever beam 5 of the air storage tank is connected with the air storage tank 6, and a compressed air pipeline and an electric pipeline are arranged in the cantilever beam of the air storage tank. Each gas storage tank is a sphere with the diameter of 8 meters and the volume of 250 cubic meters. The outer wall of the gas storage tank is made of a high-strength film material, the gas storage tank is elastic and can bear pressure of 1-3 atmospheres, and the volume of the gas storage tank can expand and contract along with the change of compressed air pressure. 4 anchoring supports 7 are further extended from the box body structure 4, the length of each anchoring support is 10 meters, and the tail ends of the supports are connected with an anchoring device 9 through catenary lines 8. The anchoring device 9 is fixed on the seabed and plays a role in fixing the wind turbine generator. The box body structure 4, the gas storage tank cantilever beam 5 and the anchoring support 7 are all made of 316 stainless steel, and the surfaces of the box body structure, the gas storage tank cantilever beam and the anchoring support are subjected to anticorrosion treatment.
Effect verification:
adopt the utility model discloses an after marine floating wind turbine generator system with energy memory, the unnecessary generated energy of floating fan can be stored with compressed air's form, and when the fan reduced that exerts power, compressed air energy transformation had reduced the fluctuation of wind turbine generator system electricity generation, improved the friendly nature of offshore fan to the electric wire netting. The air storage tanks filled with compressed air are uniformly arranged around the fan, so that the buoyancy is uniform, and the overall structural stability of the fan is effectively improved. The volume of the gas storage tank can be changed along with the change of the compressed air pressure, so that the whole fan can float upwards or sink in a certain range, the acting force of the fan on wind and waves can be adjusted, and the power generation adaptability and the structural stability are further improved.
It should be noted that the above description is only one of the embodiments of the present invention, and all equivalent changes made by the system described in the present invention are included in the protection scope of the present invention. The technical field of the present invention can be replaced by other embodiments described in a similar manner, without departing from the structure of the present invention or exceeding the scope defined by the claims, which belong to the protection scope of the present invention.
Claims (9)
1. An offshore floating wind turbine generator with an energy storage device is characterized by comprising a fan (1), a tower drum (2), a box body structure (4) and a plurality of gas storage tanks (6); from top to bottom, a fan (1), a tower drum (2) and a box body structure (4) are sequentially connected, air storage tanks (6) are arranged at equal intervals on the periphery of the box body structure (4), a compressor and a micro turbine are arranged in the box body structure (4), and inlets of the compressor and the air storage tanks (6) are communicated; an outlet of the air storage tank (6) is communicated with a working medium inlet of the micro turbine, and compressed air is filled in the air storage tank (6);
an anchoring support (7) is arranged on the periphery of the box body structure (4), the anchoring support (7) is connected with an anchoring device (9) through a catenary (8), and the anchoring device (9) is fixed on the seabed; a counterweight is arranged in the box body structure (4); the electric energy input end of the compressor is connected with the electric energy output end of the wind turbine generator.
2. The offshore floating wind turbine with energy storage device according to claim 1, characterized in that an electric heater, a thermometer and a pressure measuring device are arranged in the gas storage tank (6), and the gas storage tank (6) is made of elastic material.
3. Offshore floating wind turbine with energy storage device according to claim 1, characterized by the tank structure (4) being connected to the air tanks (6) by means of air tank cantilever beams (5).
4. The offshore floating wind turbine with energy storage device according to claim 3, wherein the gas storage tank cantilever beams (5) are of a rod structure or a truss structure, and one or more diagonal support rods are arranged to connect the box body structure (4) and the gas storage tank cantilever beams (5).
5. Offshore floating wind turbine with energy storage device according to claim 1, characterized by the fact that the gas tanks (6) are evenly distributed around the box structure (4), the compressor and the micro turbine being in communication with the gas tanks (6) through gas lines arranged on the gas tank cantilever beams (5).
6. Offshore floating wind turbine with energy storage according to claim 1, characterized by the fact that the gas tanks (6) are spherical or cylindrical.
7. Offshore floating wind turbine with energy storage device according to claim 1, characterized in that the tank body of the gas storage tank (6) is made of an elastic material.
8. The offshore floating wind turbine with the energy storage device according to claim 1, wherein the number of the anchoring supports (7), the catenary wires (8) and the anchoring devices (9) is 3-6, and the anchoring supports, the catenary wires and the anchoring devices are uniformly arranged on the circumference of the periphery of the box structure; the anchoring device is fixed on the seabed, and each catenary (8) is fixedly connected with 1-3 anchoring devices (9).
9. The offshore floating wind turbine with energy storage device according to claim 1, wherein the outer surfaces of the box structure (4), the cantilever beam (5), the gas tank (6) and the anchoring bracket (7) are provided with corrosion resistant layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020937413.3U CN212500933U (en) | 2020-05-28 | 2020-05-28 | Offshore floating wind turbine generator with energy storage device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020937413.3U CN212500933U (en) | 2020-05-28 | 2020-05-28 | Offshore floating wind turbine generator with energy storage device |
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| CN212500933U true CN212500933U (en) | 2021-02-09 |
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| CN202020937413.3U Active CN212500933U (en) | 2020-05-28 | 2020-05-28 | Offshore floating wind turbine generator with energy storage device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498036A (en) * | 2020-05-28 | 2020-08-07 | 华能灌云清洁能源发电有限责任公司 | Offshore floating wind turbine generator with energy storage device and electric energy consumption method |
| WO2022192386A1 (en) * | 2021-03-09 | 2022-09-15 | American Exchanger Services, Inc. | Energy storage using spherical pressure vessel assembly |
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2020
- 2020-05-28 CN CN202020937413.3U patent/CN212500933U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111498036A (en) * | 2020-05-28 | 2020-08-07 | 华能灌云清洁能源发电有限责任公司 | Offshore floating wind turbine generator with energy storage device and electric energy consumption method |
| WO2022192386A1 (en) * | 2021-03-09 | 2022-09-15 | American Exchanger Services, Inc. | Energy storage using spherical pressure vessel assembly |
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