Integrated complementary system of offshore floating wind turbines and aquaculture cages

Abstract

The present invention provides an integrated complementary system of an offshore floating wind turbine and aquaculture cage, comprising an offshore floating wind turbine, aquaculture cage, cage connectors, a mooring system and an anchor foundation; the offshore floating wind turbine comprises at least one wind turbine, at least one central tower, a plurality of buoy supports and a plurality of lateral buoys connected in sequence; the side walls of the lateral buoys are provided with a plurality of height position adjustment mechanisms, and the aquaculture cages are connected to the height position adjustment mechanisms through cage connectors; at least one buoyancy tank, at least one ballast tank and a control system cabin are provided in the lateral buoys; a control terminal is provided in the control system cabin, the wind turbine is electrically connected to the control terminal, and the height position adjustment mechanism is connected to the control terminal. The integrated complementary system of an offshore floating wind turbine and aquaculture cage of the present invention realizes an effective combination of a floating wind turbine and a fishery cage, effectively solving the problem of lack of deep-sea fishery aquaculture equipment and the problem of low utilization rate of floating offshore wind turbines in comprehensive resource acquisition in the future.

Description

Technical Field

[0001] The present invention relates to the technical field of offshore new energy fishery breeding equipment, and in particular to an integrated complementary system of offshore floating wind turbines and breeding cages. Background Art

[0002] With the international community's widespread attention to marine resources, especially renewable energy, strengthening the comprehensive development of the rich wind energy and fishery resources in the ocean has become the main focus of the development of marine development equipment technology.

[0003] The development of onshore and offshore wind power resources has gradually reached a certain scale, and the fixed wind turbine technology widely used in the region has gradually matured. How to effectively and economically develop wind energy resources in deep and deep sea areas and improve the utilization rate of equipment has become the main challenge of deep and deep sea development equipment. When the water depth is greater than 50m, floating wind turbines become important equipment for wind power development. In addition to meeting the requirements of efficient power generation performance, floating wind turbines also need to have good resistance to wind and waves and severe sea conditions; at the same time, due to their high cost, how to combine the good water characteristics of deep and deep sea areas and comprehensively develop other marine energy and fishery energy will greatly improve the utilization rate of this large equipment and provide good economic benefits. However, most of the existing floating wind power equipment only considers the wind power development function, lacks the function of multi-purpose resource development, and has low economic benefits. It is urgent to develop its comprehensive fishery farming function. The development of deep and deep sea fishery farming equipment is also the main focus of the development of fishery resource development technology this year. Compared with the water pollution and susceptibility to interference in offshore waters, deep and deep sea waters provide good marine ranching conditions. However, they also need to face harsh sea conditions, so suitable wind and wave resistant fishery development equipment is needed to develop deep-sea fishery resources.

[0004] Therefore, combining the respective advantages of floating offshore wind turbines and fishery cages can effectively solve the problems of low utilization rate of floating wind turbines and lack of deep-sea fishery farming equipment; improving the stability and safety of floating wind turbines, developing comprehensive equipment that can improve the utilization rate and economic benefits of deep-sea equipment, and realizing the intelligence and large-scale of deep-sea fishery farming are of great significance to the future development of deep-sea new energy and the acquisition of fishery resources. Summary of the invention

[0005] In view of the deficiencies in the above-mentioned prior art, the present invention provides an integrated complementary system of offshore floating wind turbines and aquaculture cages. By connecting the controllable connector of the fishery cage to the periphery of the floating wind turbine, an effective combination of the floating wind turbine and the fishery cage is achieved, which effectively solves the problem of lack of deep-sea fishery aquaculture equipment and the low utilization rate of floating offshore wind turbines in comprehensive resource acquisition in the future. At the same time, the integrated complementary system increases the safety and structural reliability of floating wind power equipment, and is suitable for a variety of water depths; the cage carried has a simple structure, can be adjusted according to the sea conditions, is easy to build and easy to install at sea; improves the utilization rate of deep-sea equipment and the economic benefits of the system; and realizes the intelligence and large-scale deep-sea fishery aquaculture.

[0006] In order to achieve the above-mentioned purpose, the present invention provides an integrated complementary system of an offshore floating wind turbine and aquaculture cages, comprising an offshore floating wind turbine, a plurality of aquaculture cages, a plurality of cage connectors, a mooring system and an anchor foundation; the offshore floating wind turbine comprises at least one wind turbine, at least one central tower, a plurality of buoy supports and a plurality of lateral buoys connected in sequence; the side walls of the lateral buoys are provided with a plurality of height position adjustment mechanisms, and the aquaculture cages are connected to the height position adjustment mechanisms through the cage connectors; at least one buoyancy tank, at least one ballast tank and a control system cabin are provided in the lateral buoys; a control end is provided in the control system cabin, the wind turbine is electrically connected to the control end, and the height position adjustment mechanism is connected to the control end; a plurality of anchoring points are provided on the side walls and the bottom of the lateral buoys, the anchoring points are connected to the mooring system, and the mooring system is connected to the anchor foundation.

[0007] Preferably, the height position adjustment mechanism includes at least one connection point and a rotation mechanism, the connection point is connected to the rotation mechanism, the cage connector is connected to the connection point, and the rotation mechanism is connected to the control end.

[0008] Preferably, the cage connection piece is retractable and is in transmission connection with a retractable transmission mechanism, and the retractable transmission mechanism is connected to the control end.

[0009] Preferably, the lateral buoys are wide at the top and narrow at the bottom, the transverse cross-section of the flow-facing surface of each lateral buoy is arc-shaped, and the longitudinal cross-section of the flow-facing surface of each lateral buoy is streamlined.

[0010] Preferably, a circular damping plate is installed at the bottom of the lateral buoy.

[0011] Preferably, every two adjacent lateral buoys are connected to one aquaculture cage via their respective cage connectors.

[0012] Preferably, the aquaculture cage is a polygonal box-type cage, and the aquaculture cage includes at least one outer frame and a net arranged in the outer frame.

[0013] Preferably, the breeding cage comprises 6 to 8 peripheral frames, and the peripheral frames are cylindrical.

[0014] Preferably, it comprises three lateral buoys and a central tower, and the lateral buoys are evenly arranged around the periphery of the central tower along the circumferential direction.

[0015] Preferably, the mooring system comprises one or any combination of catenary mooring, tension mooring, catenary mooring, tension leg mooring and tension mooring; when the mooring system comprises catenary mooring and / or tension mooring, the mooring system is connected to the anchor point located on the side wall of the lateral buoy; when the mooring system comprises tension leg mooring, the mooring system is connected to the anchor point located at the bottom of the lateral buoy.

[0016] The present invention adopts the above technical solution, so it has the following beneficial effects:

[0017] 1. Provides an integrated complementary equipment for comprehensive acquisition of deep sea wind energy and fishery resources;

[0018] 2. Increased safety and structural reliability of floating wind power equipment, suitable for a variety of water depths;

[0019] 3. The cages carried are simple in structure and can be adjusted according to sea conditions. They are easy to build and install at sea.

[0020] 4. Improved the utilization rate of deep-sea equipment and the economic benefits of the system;

[0021] 5. Realized the intelligence and large-scale deep-sea fishery farming. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic structural diagram of an integrated complementary system of an offshore floating wind turbine and aquaculture cage according to an embodiment of the present invention;

[0023] Figure 2 A top view of an integrated complementary system of an offshore floating wind turbine and aquaculture cage according to an embodiment of the present invention;

[0024] Figure 3 Schematic diagram of the structure of an offshore floating wind turbine according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] The following is based on the attached Figure 1 to Figure 3 , give the preferred embodiments of the present invention, and describe them in detail so that the functions and features of the present invention can be better understood.

[0026] See also Figure 1 to Figure 3An integrated complementary system of an offshore floating wind turbine and aquaculture cage according to an embodiment of the present invention comprises an offshore floating wind turbine 1, a plurality of aquaculture cages 2, a plurality of cage connectors 3, a mooring system 4 and an anchor foundation 5; the offshore floating wind turbine 1 comprises at least one wind turbine 1, at least one central tower 12, a plurality of buoy supports 13 and a plurality of lateral buoys 14 connected in sequence; a plurality of height position adjustment mechanisms are arranged on the side wall of the lateral buoy 14, and the aquaculture cage 2 is connected to the height position adjustment mechanism through the cage connector 3; at least one buoyancy tank 6, at least one ballast tank 7 and a control system cabin 8 are arranged in the lateral buoy 14; a control end is arranged in the control system cabin 8, the wind turbine 1 is electrically connected to the control end, and the height position adjustment mechanism is connected to the control end; a plurality of anchor points 141 are arranged on the side wall and the bottom of the lateral buoy 14, the anchor points 141 are connected to the mooring system 4, and the mooring system 4 is connected to the anchor foundation 5.

[0027] The buoyancy tank 6 and the ballast tank 7 are used to adjust the stability and draft of the structure; the control system cabin 8 is used to adjust the position of the cage and the aquaculture equipment system, etc. The fan 1 is electrically connected to the control end to provide the power required for the overall system control of the aquaculture cage 2, realizing the intelligence of the integrated complementary system.

[0028] The height position adjustment mechanism includes at least one connection point and a rotating mechanism, the connection point is connected to the rotating mechanism, the cage connecting piece 3 is connected to the connection point, and the rotating mechanism is connected to the control end.

[0029] The cage connecting piece 3 is retractable and is in transmission connection with a retractable transmission mechanism, and the retractable transmission mechanism is connected to the control end.

[0030] The cage connector 3 is retractable and cooperates with the retractable transmission mechanism, and can be controlled by the control end to adjust the distance between the aquaculture cage 2 and the central tower 12 to change the aquaculture water area. The rotating mechanism can rotate in multiple directions to adjust the height of the cage connector 3 and then adjust the height and position of the aquaculture cage 2 to avoid wind and waves and adjust the aquaculture water area.

[0031] The lateral buoys 14 are wide at the top and narrow at the bottom. The transverse cross section of the flow-facing surface of each lateral buoy 14 is in an arc shape, and the longitudinal cross section of the flow-facing surface of each lateral buoy 14 is in a streamline shape.

[0032] A circular damping plate is installed at the bottom of the lateral buoy 14 .

[0033] Every two adjacent lateral buoys 14 are connected to a breeding cage 2 via respective cage connecting pieces 3 .

[0034] The aquaculture cage 2 is a polygonal box-type cage, and the aquaculture cage 2 includes at least one outer frame 21 and a net 22 arranged in the outer frame 21 .

[0035] The breeding cage 2 includes 6 to 8 peripheral frames 21, and the peripheral frames 21 are cylindrical.

[0036] In this embodiment, three lateral buoys 14 and a central tower 12 are included. The lateral buoys 14 are evenly arranged around the central tower 12 along the circumferential direction, presenting a typical semi-submersible sea floating wind turbine structure, but are not limited to similar structures of the same type and function having multiple lateral buoys 14 and a central tower 12.

[0037] The mooring system 4 includes one or any combination of catenary mooring, tension mooring, catenary mooring, tension leg mooring and tension mooring; when the mooring system 4 includes catenary mooring and / or tension mooring, the mooring system 4 is connected to the anchor point 141 located on the side wall of the lateral buoy 14; when the mooring system 4 includes tension leg mooring, the mooring system 4 is connected to the anchor point 141 located at the bottom of the lateral buoy 14.

[0038] An integrated complementary system of an offshore floating wind turbine and aquaculture cage according to an embodiment of the present invention has the following installation steps:

[0039] 1. The offshore floating wind turbine 1, the mooring system 4 and the anchor foundation 5 are installed in place;

[0040] 2. Installation of cage connector 3 and breeding cage 2;

[0041] 3. Adjust the position of the breeding cage 2 through the height adjustment mechanism;

[0042] 4. Debug the control end and complete the installation.

[0043] The present invention provides an integrated complementary equipment for comprehensive acquisition of deep-sea wind energy and fishery resources; it increases the safety and structural reliability of floating wind power equipment and is applicable to various water depths; the cage carried has a simple structure and can be adjusted according to sea conditions, and is easy to build and install at sea; it improves the utilization rate of deep-sea equipment and the economic benefits of the system; and it realizes the intelligence and large-scale deep-sea fishery farming. It solves the problem of lack of deep-sea fishery farming equipment and the low application rate of floating offshore wind turbines in comprehensive resource acquisition in the future.

[0044] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.

Claims

1. An integrated complementary system of offshore floating wind turbines and aquaculture cages, characterized in that: The invention comprises an offshore floating wind turbine, a plurality of aquaculture cages, a plurality of cage connectors, a mooring system and an anchor foundation; the offshore floating wind turbine comprises a wind turbine, a central tower, a plurality of buoy supports and a plurality of lateral buoys connected in sequence, the lateral buoys being evenly arranged on the periphery of the central tower in the circumferential direction; the side walls of the lateral buoys are provided with a plurality of height adjustment mechanisms, the aquaculture cages are connected to the height adjustment mechanisms through the cage connectors; at least one buoyancy tank, at least one ballast tank and a control system cabin are provided in the lateral buoys; a control terminal is provided in the control system cabin, the wind turbine is electrically connected to the control terminal, and the height adjustment mechanism is connected to the control terminal; a plurality of anchoring points are provided on the side walls and the bottom of the lateral buoys, the anchoring points are connected to the mooring system, and the mooring system is connected to the anchor foundation; The height position adjustment mechanism comprises at least one connection point and a rotation mechanism, the connection point is connected to the rotation mechanism, the cage connection piece is connected to the connection point, and the rotation mechanism is connected to the control end; The cage connection piece is retractable and is in transmission connection with a retractable transmission mechanism, and the retractable transmission mechanism is connected to the control end.

2. The integrated complementary system of offshore floating wind turbines and aquaculture cages according to claim 1 is characterized in that: The lateral buoys are wide at the top and narrow at the bottom. The transverse cross section of the flow-facing surface of each lateral buoy is in an arc shape, and the longitudinal cross section of the flow-facing surface of each lateral buoy is in a streamline shape.

3. The integrated complementary system of offshore floating wind turbines and aquaculture cages according to claim 2 is characterized in that: A circular damping plate is installed at the bottom of the lateral buoy.

4. The integrated complementary system of offshore floating wind turbines and aquaculture cages according to claim 1 is characterized in that: Every two adjacent lateral buoys are connected to a breeding cage via their respective cage connectors.

5. The integrated complementary system of offshore floating wind turbines and aquaculture cages according to claim 4 is characterized in that: The breeding net cage is a polygonal box-type net cage, and the breeding net cage includes at least one peripheral frame and a net cloth arranged in the peripheral frame.

6. The integrated complementary system of offshore floating wind turbines and aquaculture cages according to claim 5 is characterized in that: The breeding cage comprises 6 to 8 peripheral frames, and the peripheral frames are cylindrical.

7. The integrated complementary system of offshore floating wind turbines and aquaculture cages according to claim 1 is characterized in that: The lateral buoys include three of the lateral buoys.

8. The integrated complementary system of offshore floating wind turbines and aquaculture cages according to claim 1 is characterized in that: The mooring system comprises one or any combination of catenary mooring, tension mooring, catenary mooring, tension leg mooring and tension mooring; when the mooring system comprises catenary mooring and / or tension mooring, the mooring system is connected to the anchor point located on the side wall of the lateral buoy; when the mooring system comprises tension leg mooring, the mooring system is connected to the anchor point located at the bottom of the lateral buoy.

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