CN220616136U - Floating type offshore wind power combination device capable of increasing floating and stabilizing in whole sea area - Google Patents
Floating type offshore wind power combination device capable of increasing floating and stabilizing in whole sea area Download PDFInfo
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- CN220616136U CN220616136U CN202322360189.2U CN202322360189U CN220616136U CN 220616136 U CN220616136 U CN 220616136U CN 202322360189 U CN202322360189 U CN 202322360189U CN 220616136 U CN220616136 U CN 220616136U
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- offshore wind
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- buoyancy tank
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- 238000007667 floating Methods 0.000 title claims abstract description 93
- 230000000087 stabilizing effect Effects 0.000 title abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000010248 power generation Methods 0.000 claims abstract description 15
- 239000004567 concrete Substances 0.000 claims description 39
- 238000005192 partition Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000009417 prefabrication Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Classifications
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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
-
- 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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- Wind Motors (AREA)
Abstract
The utility model discloses a floating offshore wind power combination device for floating and stabilizing in the whole sea area, which comprises a plurality of offshore wind power devices and suction anchors which are connected in a ring shape; the suction anchors are arranged at annular center positions of the plurality of offshore wind power devices and are anchored on the seabed; the plurality of offshore wind power devices are respectively anchored to the suction anchors through anchor chains; the offshore wind power device comprises a wind power generation device and a floating body; the wind power generation device is arranged at the top of the floating body, and the floating body is used for carrying the wind power generation device to float on the sea; the floating body is internally provided with a water delivery and drainage system for delivering and draining ballast water from the inside of the floating body. The utility model relieves the technical problems of poor overall stability and high construction and installation cost of the foundation structure in the prior art.
Description
Technical Field
The utility model relates to the technical field of offshore wind power foundations, in particular to a floating offshore wind power combination device capable of increasing floating and stabilizing in the whole sea area.
Background
The traditional offshore floating wind power form is derived from the foundation of an offshore oil-air floating facility and particularly comprises a ship-connection type, a single column type, a semi-submersible type and a tension leg type, but the foundation forms are limited by factors such as sea water depth, hydrologic environment, fan load and the like, so that customized design is needed, the cost is high, and the economical efficiency, the applicability and the popularization are greatly influenced. In addition, the windward generator theory of the horizontal shaft fan can cause yaw and pitch variation, and the control strategy can have larger influence and uncertainty on the floating type foundation load, so that the technical problem of poor stability of the traditional offshore floating type wind power type source is caused.
Disclosure of Invention
The utility model aims to solve at least one technical problem and provide the floating offshore wind power combination device capable of increasing floating and stabilizing in the whole sea area.
In a first aspect, the embodiment of the utility model provides a floating type offshore wind power combination device capable of increasing floating and stabilizing in the whole sea area, which comprises a plurality of offshore wind power devices and suction anchors which are connected in an annular manner; the suction anchors are arranged at annular center positions of the plurality of offshore wind power devices and are anchored to the seabed; the plurality of offshore wind power devices are respectively anchored to the suction anchors through anchor chains; the offshore wind power device comprises a wind power generation device and a floating body; the wind power generation device is arranged at the top of the floating body, and the floating body is used for carrying the wind power generation device to float on the sea; and a water delivery and drainage system is arranged in the floating body and is used for delivering and draining ballast water from the inside of the floating body.
Further, a winch is arranged at the top of the floating body, one end of the anchor chain extends out of the winch, and the other end of the anchor chain is anchored to the suction anchor; the winch is used for winding and unwinding the anchor chain.
Further, a plurality of offshore wind turbines are also anchored to the outside seabed by the anchor chains, respectively.
Further, the wind power generation device comprises a vertical axis wind power generator.
Further, the floating body comprises a concrete buoyancy tank; the concrete buoyancy tank comprises at least one partition board, and the at least one partition board is used for dividing the concrete buoyancy tank into a plurality of cabins.
Further, a water delivery and drainage valve is arranged at the bottom of the concrete buoyancy tank; the water conveying and draining system comprises an air compressor and an equal-inertia water conveying pipeline; the air compressor is temporarily arranged on the side edge of the top of the concrete buoyancy tank during installation, and an air inlet of the air compressor is connected to the top of the concrete buoyancy tank; the equal-inertia water delivery pipeline is arranged in the concrete buoyancy tank and is connected with the water delivery and drainage valve; the air compressor is used for adjusting the air pressure in the concrete buoyancy tank; the equal-inertia water delivery pipeline is used for controlling inflow and outflow of water delivery and drainage in the concrete buoyancy tank.
Further, the concrete buoyancy tank is of a cuboid structure, and a long shaft of the cuboid structure is arranged in the vertical direction.
Further, the offshore wind power devices are connected through a plurality of floating body connecting members which are connected in sequence.
Further, the floating body connecting member is of a steel hollow plate girder structure.
Further, the floating body is connected with the floating body connecting member through a flange; the plurality of floating body connecting members are connected through flanges.
The utility model provides a floating type offshore wind power combination device capable of increasing floating and stabilizing in the whole sea area, which can be installed on the sea through the procedures of prefabrication on the shore, floating towing, modularized assembly and the like, reduces the construction and installation cost of a floating type offshore wind power foundation, adopts a form of a central sharing suction anchor, reduces the anchoring cost on the premise of ensuring the safety of the structure, and improves the overall stability of a foundation structure.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description will briefly introduce the drawings that are needed in the detailed description or the prior art, it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an overall schematic diagram of a floating offshore wind power combination device for floating and stabilizing in all sea areas, which is provided by the embodiment of the utility model;
FIG. 2 is a schematic diagram of an offshore wind turbine according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a load-adjusting section of a concrete buoyancy tank for compressed air operation according to an embodiment of the present utility model.
In the figure: 1. the wind power generation device comprises a wind power generation device body 2, floating bodies 3, an equal-inertia water transmission pipeline 4, a partition board 5, an air compressor 6, floating body connecting members 7, flanges 8, suction anchors 9, winches 10 and anchor chains.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
FIG. 1 is an overall schematic diagram of a floating offshore wind power combination device for floating and stabilizing in all sea areas, which is provided by an embodiment of the utility model. As shown in fig. 1, includes a plurality of offshore wind turbines and suction anchors 8 connected in a ring.
Specifically, as shown in fig. 1, the suction anchors 8 are provided at annular center positions of a plurality of offshore wind turbines and anchored to the sea bed; a plurality of offshore wind turbines are anchored to suction anchors 8 by anchor chains 10, respectively.
In the embodiment of the utility model, the suction anchors 8 provide centralized mooring for each floating body 2, limit the movement of the offshore wind power device under the loads of wind, wave, current and the like, and improve the stability of the device.
Optionally, as shown in fig. 1, the plurality of offshore wind turbines are also anchored to the outside seabed by anchor chains 10, respectively. In the embodiment of the utility model, the grasping force provided by the outer anchor chain tail end and the anchor chain horizontal seabed part ensures the integral stability of the offshore wind power device.
Specifically, as shown in fig. 1, the offshore wind power plant includes a wind power plant 1 and a floating body 2. The wind power generation device 1 is arranged on the top of the floating body 2, and the floating body 2 is used for carrying the wind power generation device 1 to float on the sea.
Preferably, in an embodiment of the utility model, the wind power plant 1 comprises a vertical axis wind power generator. The vertical axis wind turbine can treat vortex and turbulence, is more compact in arrangement, saves land and improves installation quantity.
In the embodiment of the utility model, a water delivery and drainage system is arranged in the floating body 2 and is used for delivering and draining ballast water from the inside of the floating body 2.
FIG. 2 is a schematic diagram of an offshore wind plant according to an embodiment of the utility model. As shown in fig. 2, a winch 9 is provided on top of the floating body 2, one end of the anchor chain 10 is extended from the winch 9, and the other end of the anchor chain 10 is anchored to the suction anchor 8.
In an embodiment of the utility model, winch 9 is used to reel in and reel out anchor chain 10.
Preferably, in an embodiment of the utility model, the floating body 2 comprises a concrete buoyancy tank.
Alternatively, in the embodiment of the present utility model, the winches 9 are respectively disposed at front and rear sides of the top of the concrete buoyancy tank, and two anchor chains 10 are respectively connected to the winches 9.
Fig. 3 is a schematic cross-sectional view of a concrete buoyancy tank provided according to an embodiment of the utility model. As shown in fig. 3, the concrete buoyancy tank comprises at least one partition plate 4, wherein the at least one partition plate 4 is used for dividing the concrete buoyancy tank into a plurality of cabins.
Specifically, as shown in fig. 3, the division of the multiple layers of vertical partition plates can realize the control of the ballast water amounts of different cabins, which is beneficial to reducing the instability risks under unexpected conditions such as the damage of the concrete buoyancy tank.
In the embodiment of the utility model, a water delivery and drainage valve is arranged at the bottom of the concrete buoyancy tank.
As shown in fig. 3, the water delivery and drainage system comprises an air compressor 5 and an equal inertial water delivery line 3. Specifically, as shown in fig. 3, the air compressor 5 is arranged at the top side of the concrete buoyancy tank during installation, and the air inlet of the air compressor 5 is connected into the concrete buoyancy tank; the constant-inertia water delivery pipeline 3 is arranged inside the concrete buoyancy tank and is connected with a water delivery and drainage valve.
In the embodiment of the utility model, the air compressor 5 is used for adjusting the air pressure in the concrete buoyancy tank so as to control the water level in the concrete buoyancy tank.
And the constant-inertia water delivery pipeline 3 is used for controlling inflow and outflow of water delivery and drainage in the concrete buoyancy tank. In the embodiment of the utility model, the structure of the equal-inertia water delivery pipeline 3 can ensure uniform water delivery and drainage flow, is easy to control, and avoids structural instability caused by poor flow state.
According to the embodiment of the utility model, ballast water is discharged from the bottom of the concrete buoyancy tank through the equal-inertia water delivery pipeline 3, and the buoyancy is regulated.
Preferably, in the embodiment of the utility model, the concrete buoyancy tank is of a cuboid structure, and the long axis of the cuboid structure is arranged in the vertical direction and is made of reinforced concrete. The concrete buoyancy tank has the characteristics of convenience in prefabrication, corrosion resistance, low cost and the like.
Specifically, as shown in fig. 1, the offshore wind turbine 1 is connected to each other by a plurality of floating body connecting members 6 connected to each other in sequence.
Preferably, as shown in fig. 1, in the embodiment of the present utility model, two floating body connection members 6 are connected between every two offshore wind turbines 1.
Preferably, in the embodiment of the utility model, the floating body connecting member 6 is a steel hollow plate girder structure, so that the structural strength is ensured, and meanwhile, the additional water plane area and buoyancy are provided for the whole device, and the movement performance and the whole stability of the structure are enhanced.
Preferably, as shown in fig. 1, in the embodiment of the present utility model, the floating body 2 and the floating body connecting member 6 are connected by a flange 7; the plurality of floating body connecting members 6 are connected by flanges 7. Specifically, in the embodiment of the utility model, the force can be adjusted by rotating the relative positions between the flanges 7 so as to meet different structural design requirements, the flanges are fixed by bolts so as to limit the degree of freedom, the integral rigidity of the device after the combination is finished is ensured, and the construction and the assembly and the disassembly are also convenient.
The floating type offshore wind power combination device for floating and stability increasing in the whole sea area provided by the embodiment of the utility model applies the concept of shared anchor, and each concrete buoyancy tank is moored to the same suction anchor 8 through the anchor chain 10, so that the anchoring cost is reduced.
As can be seen from the description, the floating stability-increasing type floating offshore wind power combination device in the whole sea area provided by the embodiment of the utility model can greatly reduce the construction and installation costs of floating type offshore fans through the procedures of on-shore prefabrication, floating towing, modularized splicing and the like, and can be used for splicing and combining different numbers of foundations according to the installed number, the marine environment and other factors, and an air compressor is adopted for adjusting the air pressure in a concrete buoyancy tank to control water delivery and drainage, so that buoyancy is adjusted, and the floating type offshore wind power combination device and a floating body connecting member are used for providing larger water plane area and buoyancy for various conditions of towing, in-place and the like of a foundation structure, so that the overall stability of the foundation structure is improved, and the design of a central shared anchor is realized, so that the anchoring cost is reduced on the premise of ensuring the safety of the structure. The device adopts modular design, and prefabricated degree is high, and construction is convenient, and the wave resistance is good, and the overall motion performance is outstanding, can make up the supporting characteristics such as realizing floating increase and stability increase according to different sea area characteristics.
The embodiment of the utility model provides a floating type offshore wind power combination device capable of increasing floating and stabilizing in all sea areas, which is formed by effectively combining a matrix type vertical axis fan with a floating and stabilizing type foundation in all sea areas. The matrix type vertical axis fan can realize self-adaptive wind direction through the characteristics of the matrix type vertical axis fan, and meanwhile, the generation power is improved. The floating and stability increasing foundation in the whole sea area adopts a multi-point supporting and adjustable buoyancy and stability increasing device, and the foundation load is stabilized and the performance and efficiency of the fan are improved while adapting to different water depths, hydrologic environments and load changes.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The floating type offshore wind power combination device for the floating and stability increasing in the whole sea area is characterized by comprising a plurality of offshore wind power devices and suction anchors which are annularly connected;
the suction anchors are arranged at annular center positions of the plurality of offshore wind power devices and are anchored to the seabed; the plurality of offshore wind power devices are respectively anchored to the suction anchors through anchor chains;
the offshore wind power device comprises a wind power generation device and a floating body; the wind power generation device is arranged at the top of the floating body, and the floating body is used for carrying the wind power generation device to float on the sea;
and a water delivery and drainage system is arranged in the floating body and is used for delivering and draining ballast water from the inside of the floating body.
2. The all-sea area floating and stability-increasing offshore wind power combination device according to claim 1, wherein: the top of the floating body is provided with a winch, one end of the anchor chain extends out of the winch, and the other end of the anchor chain is anchored to the suction anchor;
the winch is used for winding and unwinding the anchor chain.
3. The all-sea area floating and stability-increasing offshore wind power combination device according to claim 1, wherein: the plurality of offshore wind turbines are also anchored to the outside seabed by the anchor chains, respectively.
4. The all-sea area floating and stability-increasing offshore wind power combination device according to claim 1, wherein: the wind power generation device comprises a vertical axis wind power generator.
5. The all-sea area floating and stability-increasing offshore wind power combination device according to claim 1, wherein: the floating body comprises a concrete buoyancy tank; the concrete buoyancy tank comprises at least one partition board, and the at least one partition board is used for dividing the concrete buoyancy tank into a plurality of cabins.
6. The all-sea area floating and stability-increasing offshore wind power combination device according to claim 5, wherein: a water delivery and drainage valve is arranged at the bottom of the concrete buoyancy tank; the water conveying and draining system comprises an air compressor and an equal-inertia water conveying pipeline; the air compressor is arranged on the side edge of the top of the concrete buoyancy tank, and an air outlet of the air compressor is connected into the concrete buoyancy tank; the equal-inertia water delivery pipeline is arranged in the concrete buoyancy tank and is connected with the water delivery and drainage valve;
the air compressor is used for adjusting the air pressure in the concrete buoyancy tank;
the equal-inertia water delivery pipeline is used for controlling inflow and outflow of water delivery and drainage in the concrete buoyancy tank.
7. The all-sea area floating and stability-increasing offshore wind power combination device according to claim 5, wherein: the concrete buoyancy tank is of a cuboid structure, and a long shaft of the cuboid structure is arranged in the vertical direction.
8. The all-sea area floating and stability-increasing offshore wind power combination device according to claim 1, wherein: the offshore wind power devices are connected through a plurality of floating body connecting members which are connected in sequence.
9. The all-sea area floating and stability-increasing offshore wind power combination device according to claim 8, wherein: the floating body connecting member is of a steel hollow plate girder structure.
10. The all-sea area floating and stability-increasing offshore wind power combination device according to claim 8, wherein: the floating body is connected with the floating body connecting member through a flange; the plurality of floating body connecting members are connected through flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322360189.2U CN220616136U (en) | 2023-08-31 | 2023-08-31 | Floating type offshore wind power combination device capable of increasing floating and stabilizing in whole sea area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322360189.2U CN220616136U (en) | 2023-08-31 | 2023-08-31 | Floating type offshore wind power combination device capable of increasing floating and stabilizing in whole sea area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220616136U true CN220616136U (en) | 2024-03-19 |
Family
ID=90224992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322360189.2U Active CN220616136U (en) | 2023-08-31 | 2023-08-31 | Floating type offshore wind power combination device capable of increasing floating and stabilizing in whole sea area |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220616136U (en) |
-
2023
- 2023-08-31 CN CN202322360189.2U patent/CN220616136U/en active Active
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