CN211519801U - Floating offshore wind power foundation structure with additional net cage - Google Patents

Floating offshore wind power foundation structure with additional net cage Download PDF

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Publication number
CN211519801U
CN211519801U CN202020014976.5U CN202020014976U CN211519801U CN 211519801 U CN211519801 U CN 211519801U CN 202020014976 U CN202020014976 U CN 202020014976U CN 211519801 U CN211519801 U CN 211519801U
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China
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floating
wind power
offshore wind
foundation
ballast tank
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CN202020014976.5U
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曹淑刚
迟岩
韩毅平
程友良
姚兴隆
高小钧
王子杰
范晓旭
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North China Electric Power University
Zhongneng Power Tech Development Co Ltd
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North China Electric Power University
Zhongneng Power Tech Development Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/60Fishing; Aquaculture; Aquafarming

Abstract

The utility model discloses a floating offshore wind power foundation structure of additional box with a net, this structure is including floating formula foundation mechanism. The structure combines the deep-sea floating offshore wind power and the aquaculture net cage, solves the contradiction between offshore wind power development and fishery aquaculture, is beneficial to saving and utilizing ocean resources, and improves the economic benefits of two industries. The semi-submersible floating foundation type wind turbine generator system is suitable for installation of a ten-megawatt offshore wind turbine generator, and the investment of the whole system is insensitive to water depth and is suitable for a sea area with the water depth of 80-1500 m. The upper portion adopts showy formula foundation mechanism, and the disconnect-type design of ballast tank mechanism is adopted to the lower part, links to each other through anchor chain (cable) and wire rope between showy formula basis and the ballast tank, and this kind of design can effectively reduce the motion response of showy formula fan under the wave current effect, and the too big production of junction stress is destroyed in the mode of flexonics, and the ballast tank adopts reinforced concrete material, reduce cost simultaneously.

Description

Floating offshore wind power foundation structure with additional net cage
Technical Field
The utility model relates to a marine wind power and aquaculture facility technical field especially relate to a deep sea floats showy formula marine wind power basis and breeds net cage and fuses showy formula marine wind power foundation structure of attached net cage of combined type of design.
Background
Offshore wind power is an important component of energy structures in China as a renewable energy source, offshore wind power in China enters a large-scale development stage, the capacity of a single machine is larger and larger, the development water depth is deeper and deeper, and the trend of offshore wind power towards deep sea is a necessity of industrial development. And the requirements of supporting deep-sea offshore wind power development are definitely proposed at the national level, the national ' thirteen-five ' plan of ocean renewable energy development, ' thirteen-five ' plan of national ocean economic development ' and the like clearly propose ' encouraging the construction of offshore wind power plants in deep sea ', and meanwhile, the requirements of ' surrounding deep-sea cage culture, ocean pasture construction and the like, developing a customized ocean energy power generation system ' are also proposed for deep sea culture.
The traditional development of offshore wind power has a certain degree of ocean resource occupation for fishery cultivation, which causes a certain degree of contradiction between the offshore wind power industry and aquaculture and fishery for a long time. The wind energy reserve capacity in sea areas with the water depth of more than 50 meters in China exceeds 1268GW, the wind energy proportion in the whole sea exceeds 60%, and the development of deep sea offshore wind power has wide prospects. However, the deep sea offshore wind power generally adopts a floating offshore wind power foundation, the floating offshore wind power has high technical content and high investment cost, so that the benefit is relatively low, and great pressure is caused on the flat-price network connection and sustainable development of offshore wind power in China. Therefore, a related expert and scholars put forward a concept of the fusion development of offshore wind power and a marine ranch, on one hand, the method is beneficial to the saving and utilization of marine resources, reduces the investment cost of the offshore wind power industry, improves the overall income, and realizes the on-line of offshore wind power at a low price as early as possible; on the other hand, the basis of offshore wind power is similar to that of an artificial fish reef, so that good inhabitation, shelter and spawning places can be provided for marine organisms, and the development of aquaculture industry is facilitated.
Disclosure of Invention
The utility model provides a floating offshore wind power foundation structure with an additional net cage.
The utility model provides a following scheme:
a floating offshore wind power infrastructure with an attached net cage, comprising:
the upper part of the floating type basic mechanism is provided with a connecting part for connecting the floating type basic mechanism with a fan tower;
a ballast tank mechanism located below the floating foundation mechanism and connected to the floating foundation mechanism separately from each other;
a aquaculture cage mechanism formed between the floating foundation mechanism and the ballast tank mechanism;
and the anchoring mechanism is used for realizing the fixed connection between the floating foundation mechanism and the seabed.
Preferably: the floating type foundation mechanism comprises a plurality of floating cylinders and middle upright posts; two adjacent floating drums are respectively connected in the horizontal direction by adopting a horizontal cross brace; the middle upright post is vertically arranged and is connected with the plurality of floating barrels through a plurality of horizontal inclined struts and a plurality of inclined struts; the top end of the middle upright post is connected with a connecting flange plate for forming the connecting part.
Preferably: the inside of flotation pontoon is separated and is formed with a plurality of independent cabins as the stability that the ballast tank is used for the dispensing system, the sub-unit connection of flotation pontoon has circular heave plate.
Preferably: the lower part of the middle upright post is provided with a cone transition section, and one end of each of the horizontal inclined struts is connected with the cone transition section.
Preferably: the ballast tank mechanism is provided with a hollow polygonal annular box body structure, and the polygonal annular box body structure is connected with the floating type foundation mechanism through an anchor chain or an anchor cable.
Preferably: and a plurality of independent cabin structures and supporting loop beams are arranged in the polygonal annular box body structure.
Preferably: the polygonal annular box body structure is made of reinforced concrete or steel.
Preferably: the aquaculture net cage mechanism comprises a stay wire steel wire rope and a net cover made of polyethylene or copper wire, two ends of the stay wire steel wire rope are respectively connected with the floating type basic mechanism and the ballast tank mechanism to form a net cage framework, a steel wire rope tensioning and adjusting device is preset on the floating type basic mechanism, a lock catch connected with the net cover is preset on the steel wire rope, and the net cover is arranged on the outer side of the net cage framework.
Preferably: the anchoring mechanism comprises a plurality of groups of tensioning type mooring cable assemblies, each group of tensioning type mooring cable assemblies comprises two mooring cables, and each mooring cable has a three-section structure of a cable chain-nylon cable-cable chain.
Preferably: a plurality of groups of anchoring system auxiliary components are arranged on the floating foundation mechanism, and each anchoring system auxiliary component comprises an anchoring hole, a cable guider and a chain stopper; one end of the mooring line is connected with the anchoring system accessory component.
According to the specific embodiment provided by the utility model, the invention discloses the following technical effects:
through the utility model, a floating offshore wind power foundation structure with additional net cages can be realized, and in an implementation mode, the structure can comprise a floating foundation mechanism, and a connecting part for connecting with a fan tower cylinder is formed at the upper part of the floating foundation mechanism; a ballast tank mechanism located below the floating foundation mechanism and connected to the floating foundation mechanism separately from each other; a aquaculture cage mechanism formed between the floating foundation mechanism and the ballast tank mechanism; and the anchoring mechanism is used for realizing the fixed connection between the floating foundation mechanism and the seabed.
The application provides a floating offshore wind power foundation structure of additional box with a net includes following advantage at least:
(1) the deep-sea floating offshore wind power and the aquaculture net cage are combined, the contradiction between offshore wind power development and fishery aquaculture is solved, the ocean resources are saved and utilized, and the economic benefits of the two industries are improved.
(2) The semi-submersible floating foundation type wind turbine generator system is suitable for installation of a ten-megawatt offshore wind turbine generator, and the investment of the whole system is insensitive to water depth and is suitable for a sea area with the water depth of 80-1500 m.
(3) The upper portion adopts showy formula foundation mechanism, and the disconnect-type design of ballast tank mechanism is adopted to the lower part, links to each other through anchor chain (cable) and wire rope between showy formula basis and the ballast tank, and this kind of design can effectively reduce the motion response of showy formula fan under the wave current effect, and the too big production of junction stress is destroyed in the mode of flexonics, and the ballast tank adopts reinforced concrete material, reduce cost simultaneously.
(4) Unlike traditional semi-submersible floating foundation catenary mooring system, the mooring system of the structure adopts a tensioning type, so that the stability of the whole system is ensured.
(5) In the aspect of manufacturing and installation, the floating foundation and the ballast tank mechanism of the system are respectively manufactured and pre-assembled in water, then the fan is installed, namely the system can assemble and debug the whole system at a wharf, and then the whole system is integrally transported to a preset machine position.
(6) In the aspect of transportation, the floating type basic mechanism and the ballast tank mechanism are tightly attached and fixed into a whole in the transportation process, so that the stability of the whole system in the wet towing process is improved, the transportation times are reduced, and the investment of a large ship is reduced by the wet towing mode.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a floating offshore wind power infrastructure with an additional net cage according to an embodiment of the present invention;
fig. 2 is a front view of a floating offshore wind power infrastructure with an additional net cage according to an embodiment of the present invention;
fig. 3 is a top view of a floating offshore wind power infrastructure with an additional net cage according to an embodiment of the present invention;
FIG. 4 is a bottom view of a floating offshore wind power infrastructure with an attached net cage according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a ballast tank mechanism provided by an embodiment of the present invention;
FIG. 6 is a schematic diagram of a marine wet tow and lower ballast tank lowering sequence provided by an embodiment of the present invention;
fig. 7 is a construction flow chart of the floating offshore wind power infrastructure with an additional net cage provided by the embodiment of the utility model.
In the figure: the floating type foundation mechanism 1, a buoy 101, a middle upright post 102, a horizontal cross brace 103, a horizontal inclined brace 104, an inclined brace 105, a circular heave plate 106, a ballast tank mechanism 2, a culture net cage mechanism 3, a stay wire rope 301, a net cover 302, an anchoring mechanism 4, a fan tower 5 and a chain or anchor cable 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
Examples
Referring to fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, a floating offshore wind power infrastructure with an additional net cage according to an embodiment of the present invention is provided, and as shown in fig. 1, fig. 2, fig. 3, fig. 4, and fig. 5, the floating offshore wind power infrastructure includes a floating foundation mechanism 1, and a connection portion for connecting to a wind turbine tower 5 is formed at an upper portion of the floating foundation mechanism 1; this float formula basic unit 1's main be the effect be for parts such as fans provide buoyancy support, guarantee the stability of system under the load effect, can choose the structure that is suitable for among the prior art for use. The present application may provide that the floating foundation mechanism 1 comprises a plurality of pontoons 101 and intermediate uprights 102; two adjacent buoys 101 are connected in the horizontal direction by horizontal cross braces 103; the middle upright post 102 is vertically arranged and is connected with the plurality of buoys 101 through a plurality of horizontal inclined struts 104 and a plurality of inclined struts 105; the top end of the middle upright post 102 is connected with a connecting flange for forming the connecting part. The interior of the pontoon 101 is partitioned to form a plurality of independent compartments as ballast tanks for loading the stability of the ballast water adjusting system, and the lower portion of the pontoon 101 is connected with a circular heave plate 106. The diameter of the circular heave plate 106 is greater than the diameter of the pontoon. Specifically, a cone transition section is arranged at the lower part of the middle upright post 102, and one end of each of the horizontal inclined struts 104 is connected with the cone transition section.
A ballast tank mechanism 2, wherein the ballast tank mechanism 2 is positioned below the floating foundation mechanism 1 and is connected with the floating foundation mechanism 1 in a mutually separated way; the ballast tanks function to provide ballast, increase damping, and reduce the overall structure's motion response under the action of the wave currents. The culture net of the culture net cage is fixed, so that a certain space is kept inside the whole culture net cage. Specifically, the ballast tank mechanism 2 has a hollow polygonal annular box structure, and the polygonal annular box structure is connected with the floating foundation mechanism 1 through an anchor chain or an anchor cable 6. And a plurality of independent cabin structures and supporting loop beams are arranged in the polygonal annular box body structure. The polygonal annular box body structure is made of reinforced concrete or steel. It is conceivable that the number of sides of the polygonal annular box structure is determined according to the number of the buoys included in the floating foundation mechanism, and the optimal mode is that the number of sides is the same as the number of the buoys, so that higher stability can be ensured.
A culture cage mechanism 3, the culture cage mechanism 3 being formed between the floating foundation mechanism 1 and the ballast tank mechanism 2; in actual use, the aquaculture net cage mechanism 3 can be manufactured into a structure with sealed bottom, upper part and four sides, and is immersed into the sea in a full submergence mode for realizing the aquaculture of marine organisms. The aquaculture net cage mechanism 3 comprises a stay wire steel wire rope 301 and a netting 302 made of polyethylene or copper wire, two ends of the stay wire steel wire rope 301 are respectively connected with the floating type basic mechanism 1 and the ballast tank mechanism 2 to form a net cage framework, a tensioning adjusting device is adopted at the joint of the basic mechanism 1 and the stay wire steel wire rope 301, and the netting 302 is arranged on the outer side of the net cage framework.
And the anchoring mechanism 4 is used for realizing the fixed connection between the floating type basic mechanism 1 and the seabed. The anchoring mechanism 4 comprises a plurality of groups of tensioning type mooring cable assemblies, each group of tensioning type mooring cable assemblies comprises two mooring cables, and each mooring cable has a three-section structure of a cable chain-nylon cable-cable chain. Specifically, a plurality of groups of anchoring system auxiliary components are arranged on the floating foundation mechanism, and each anchoring system auxiliary component comprises an anchor cable hole, a cable guider and a chain stopper; one end of the mooring line is connected with the anchoring system accessory component.
The following description will be made by taking a floating type foundation mechanism provided with four buoys as an example.
The whole structure consists of a floating type foundation mechanism positioned at the upper part, a culture net cage structure positioned at the middle part and a ballast tank mechanism positioned at the lower part. The whole structure is moored and fixed in the planned sea area by the anchoring system.
The floating foundation mechanism can comprise 4 large-diameter floating cylinders, horizontal cross braces, horizontal inclined braces, inclined braces and middle upright posts, wherein the floating cylinders, the horizontal cross braces, the horizontal inclined braces, the inclined braces and the middle upright posts are connected through welding, and the shape width of the foundation is 40 m.
A float bowl: four major diameter flotation pontoons adopt the steel sheet welding to form, and the flotation pontoon diameter is 10m, and high 25m, inside adoption subdivision structure, direction of height can be divided into 4 layers, radially can adopt cross subdivision. Depending on the sea area used in the structure, the hydrodynamic properties of the floating foundation, the on-site functional requirements, etc., the compartments may be designed as ballast tanks, fresh water tanks or other functional tanks. The lower part of the float bowl is provided with a circular heave plate, the diameter of the heave plate is designed to be 18m, and the circular heave plate can be adjusted according to the hydrodynamic characteristics of the applied sea area structure. In order to be connected with a ballast tank mechanism, an embedded part for hanging an anchor chain (cable) is preset at the lower part of the buoy. The 4 large-diameter cylindrical buoyancy tanks are made of steel (or reinforced concrete).
A middle upright post: the welding flange plate on the upper portion of the middle upright post is used for being connected with a fan tower cylinder, the diameter of the upright post can be determined according to the diameter of the upper portion fan tower cylinder (the upright post and the tower cylinder are directly designed to be 6m in the case of the upright post and the lower portion of the upright post is designed to be a cone transition section, and the middle upright post has the advantages that steel consumption is reduced, welding connection with a horizontal inclined strut is facilitated, and wave current load borne by a structure is reduced.
The horizontal cross brace, the horizontal inclined brace and the inclined brace adopt steel tube structures, the diameter of the steel tube structure and the wall thickness of steel materials can be calculated and determined according to application conditions, wherein the diameter of the horizontal cross brace is 1.8m, the diameter of the inclined brace is 1.5m, and the diameter of the horizontal inclined brace is 1.2 m.
The diameters of the horizontal cross brace, the horizontal inclined brace and the inclined brace, the four floating cylinders and the middle upright post have larger differences, so the wall thicknesses of two ends of the rod piece are thickened, transition sections are designed if necessary, and corresponding grooves are formed on the floating cylinders and the upright posts or embedded pieces connected with other rod pieces in a welding mode are embedded, so that the welding difficulty is reduced.
The ballast tank is a quadrilateral annular tank body structure which is prefabricated by reinforced concrete materials and is hollow inside, the cost can be reduced by adopting the reinforced concrete materials, and the ballast tank has the functions of providing ballast, increasing damping and reducing the motion response of the whole structure under the action of wave current. The culture net of the culture net cage is fixed, so that a certain space is kept inside the whole culture net cage. The ballast tank mechanism is made of reinforced concrete materials (steel materials can also be used).
The ballast tank is connected with the floating foundation mechanism at four corners through anchor chains or anchor cables, and is obliquely provided with X-shaped diagonal steel wires for ensuring the stability of the structure.
The ballast tank is internally provided with a compartment separation structure, and a support loop beam is arranged in the ballast tank to increase the structural strength, the section of the ballast tank is of a square box structure in the embodiment, the ballast tank can be separated along the edge length direction, and the ballast tank can be filled with seawater for ballasting.
The aquaculture net cage mainly comprises stay wire steel wire ropes and a netting, wherein the stay wire steel wire ropes are arranged at the edges of the hexahedron of the aquaculture net cage respectively, and the stay wire steel wire ropes can be arranged in the space if necessary. The netting of the aquaculture net cage is made of polyethylene or copper wire, and of course, netting made of other materials can be adopted, and the netting is firmly connected with the steel wire rope according to the designed shape and position.
Anchor cable holes, a cable guider, a chain stopper and other auxiliary components of the anchoring system are respectively arranged on four floating drums of the floating foundation, in order to reduce the motion response of the whole system as much as possible, the system adopts four groups of tensioning type mooring cables to fix the whole structure, and each group is provided with 2 root system mooring cables. The tension mooring cable adopts a chain-nylon cable-chain three-section design, and a pile anchor or a torpedo anchor can be selected according to the water depth and the type of the anchor used according to the anchoring force.
The structure provided by the application can be integrally installed by adopting the following construction method and flow:
the structure construction method adopts an underwater preassembly and integral wet-dragging mode. The construction process is as shown in fig. 7, firstly, the floating foundation mechanism and the ballast tank mechanism are processed and manufactured in a shipyard and a prefabricated site respectively, then the floating foundation and the ballast tank are respectively launched and pre-assembled in water, and at the moment, the ballast tank mechanism is tightly attached to the floating foundation mechanism (the floating foundation mechanism and the ballast tank mechanism are connected by an anchor chain or an anchor cable, so that the relative position between the floating foundation mechanism and the ballast tank mechanism can be randomly adjusted), namely, the floating foundation and the ballast tank mechanism are connected into a whole during towing to provide buoyancy and ensure the stability of towing. And hoisting a tower drum and a fan after the pre-assembly of the floating foundation and the ballast tank is completed, debugging after the hoisting is completed, and then wet-towing the whole structure system to a preset machine position by using the whole tugboat.
And after the floating type foundation buoy reaches a machine position, water injection adjustment is carried out on the floating type foundation buoy ballast tank, four groups of mooring cables and output sea cables are connected, then anchor cables and steel wire ropes between the floating type foundation mechanism and the ballast tank are connected, then ballast water is injected into the lower ballast tank mechanism to sink, then the steel wire ropes of the aquaculture net cage are tensioned, and finally netting is laid, so that the whole system is constructed.
The entire process and ballast tank mechanism sinking sequence is shown in fig. 6.
The construction method and the process are characterized in that:
1. the structure is integrally assembled at the wharf, and after the fan is hoisted, the integral towing is realized, so that the operation procedures and the operation time for hoisting the fan on the sea are reduced. (the traditional fan installation mode is that after a fan foundation is built on the sea, the tower, the fan, the blades and other parts are transported to the position of the machine, and a hoisting ship or a landing leg ship is adopted to carry out one-step and one-step installation at the position of the machine.)
2. The transport adopts the towboat to wet and tow in place, thereby avoiding the investment of large-scale hoisting equipment and large-scale barges and reducing the construction investment. (the dry mop needs to be carried by a large barge)
3. The ballast tank mechanism and the floating type foundation mechanism are integrally transported after being combined and fixed. This kind of transportation scheme lower part flotation tank also can provide buoyancy or ballast regulatory ability for overall structure, has increased the stability in the entire system transportation, and two part structures are preassembled at the pier simultaneously to once transport, improve the conveying efficiency, reduce marine activity duration, improve the operating efficiency.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a floating offshore wind power foundation structure of additional box with a net, its characterized in that includes:
the upper part of the floating type basic mechanism is provided with a connecting part for connecting the floating type basic mechanism with a fan tower;
a ballast tank mechanism located below the floating foundation mechanism and connected to the floating foundation mechanism separately from each other;
a aquaculture cage mechanism formed between the floating foundation mechanism and the ballast tank mechanism;
and the anchoring mechanism is used for realizing the fixed connection between the floating foundation mechanism and the seabed.
2. The floating offshore wind power infrastructure with additional cages of claim 1, wherein the floating foundation means comprises a plurality of pontoons and intermediate columns; two adjacent floating drums are respectively connected in the horizontal direction by adopting a horizontal cross brace; the middle upright post is vertically arranged and is connected with the plurality of floating barrels through a plurality of horizontal inclined struts and a plurality of inclined struts; the top end of the middle upright post is connected with a connecting flange plate for forming the connecting part.
3. The floating offshore wind power infrastructure with additional cages of claim 2, wherein the interior of the pontoons are partitioned to form a plurality of independent compartments as ballast tanks for stability of the dispensing system, and the lower part of the pontoons are connected with circular heave plates.
4. The floating offshore wind power infrastructure with additional cages according to claim 2, wherein the lower part of the middle upright post is provided with a cone transition section, and one end of each of the plurality of horizontal braces is connected with the cone transition section.
5. The floating offshore wind power infrastructure with additional net cages of claim 1, wherein the ballast tank means has a hollow polygonal ring-shaped box structure connected to the floating foundation means by anchor chains or cables.
6. The floating offshore wind power infrastructure with additional net cages of claim 5, wherein the polygonal ring-shaped box structure is internally provided with a plurality of independent cabin structures and supporting loop beams.
7. The floating offshore wind power infrastructure with additional cages according to claim 6, wherein the polygonal ring-shaped box structure is made of reinforced concrete or steel.
8. The floating offshore wind power infrastructure with additional net cages according to claim 1, wherein the aquaculture net cage mechanism comprises a stay wire rope and a net cover made of polyethylene or copper wire, two ends of the stay wire rope are respectively connected with the floating foundation mechanism and the ballast tank mechanism to form a net cage framework, a steel wire rope tensioning and adjusting device is preset on the floating foundation mechanism, a lock catch connected with the net cover is preset on the steel wire rope, and the net cover is arranged outside the net cage framework.
9. The floating offshore wind power infrastructure with additional net cages of claim 1, wherein the mooring mechanism comprises a plurality of groups of tensioned mooring line assemblies, each group of tensioned mooring line assemblies comprising two mooring lines with a chain-nylon line-chain three-segment structure.
10. The floating offshore wind power infrastructure with additional net cages of claim 9, wherein the floating foundation is provided with a plurality of sets of mooring system auxiliary members, the mooring system auxiliary members comprising mooring anchor holes, fairleads, and chain stoppers; one end of the mooring line is connected with the anchoring system accessory component.
CN202020014976.5U 2020-01-06 2020-01-06 Floating offshore wind power foundation structure with additional net cage Active CN211519801U (en)

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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN111232140A (en) * 2020-01-06 2020-06-05 华北电力大学 Floating offshore wind power foundation structure with additional net cage
CN112412709A (en) * 2020-09-25 2021-02-26 河南五方合创建筑设计有限公司 Prefabricated self-assembly multifunctional offshore energy platform
CN112806290A (en) * 2021-01-22 2021-05-18 明阳智慧能源集团股份公司 Large-scale floating type steel structure intelligent fishery aquaculture net cage suitable for deep open sea
CN114455016A (en) * 2022-03-10 2022-05-10 中国华能集团清洁能源技术研究院有限公司 Offshore wind power foundation
CN114604382A (en) * 2022-04-08 2022-06-10 北京千尧新能源科技开发有限公司 Floating foundation adjustment method and related apparatus
CN115088660A (en) * 2022-06-17 2022-09-23 明阳智慧能源集团股份公司 Semi-submersible floating type fan and flexible net cage integrated structure and construction method thereof
CN115136917A (en) * 2022-06-01 2022-10-04 北京万远科技有限公司 Floating assisting system
WO2023284278A1 (en) * 2021-07-13 2023-01-19 中国华能集团清洁能源技术研究院有限公司 Semi-submersible floating wind turbine, and wind turbine system and failure control method therefor

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111232140A (en) * 2020-01-06 2020-06-05 华北电力大学 Floating offshore wind power foundation structure with additional net cage
CN111232140B (en) * 2020-01-06 2023-11-14 华北电力大学 Floating offshore wind power foundation structure with additional net cage
CN112412709A (en) * 2020-09-25 2021-02-26 河南五方合创建筑设计有限公司 Prefabricated self-assembly multifunctional offshore energy platform
CN112806290A (en) * 2021-01-22 2021-05-18 明阳智慧能源集团股份公司 Large-scale floating type steel structure intelligent fishery aquaculture net cage suitable for deep open sea
WO2023284278A1 (en) * 2021-07-13 2023-01-19 中国华能集团清洁能源技术研究院有限公司 Semi-submersible floating wind turbine, and wind turbine system and failure control method therefor
CN114455016A (en) * 2022-03-10 2022-05-10 中国华能集团清洁能源技术研究院有限公司 Offshore wind power foundation
CN114604382A (en) * 2022-04-08 2022-06-10 北京千尧新能源科技开发有限公司 Floating foundation adjustment method and related apparatus
CN114604382B (en) * 2022-04-08 2022-11-22 北京千尧新能源科技开发有限公司 Floating foundation adjustment method and related equipment
CN115136917A (en) * 2022-06-01 2022-10-04 北京万远科技有限公司 Floating assisting system
CN115136917B (en) * 2022-06-01 2024-01-26 北京万远科技有限公司 Floating assisting system
CN115088660A (en) * 2022-06-17 2022-09-23 明阳智慧能源集团股份公司 Semi-submersible floating type fan and flexible net cage integrated structure and construction method thereof

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