CN118306526A - Floating offshore wind turbine mooring system combined with aquaculture net cage - Google Patents
Floating offshore wind turbine mooring system combined with aquaculture net cage Download PDFInfo
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- CN118306526A CN118306526A CN202410274744.6A CN202410274744A CN118306526A CN 118306526 A CN118306526 A CN 118306526A CN 202410274744 A CN202410274744 A CN 202410274744A CN 118306526 A CN118306526 A CN 118306526A
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- floating
- wind turbine
- mooring
- offshore wind
- net cage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/60—Floating cultivation devices, e.g. rafts or floating fish-farms
- A01K61/65—Connecting or mooring devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Biodiversity & Conservation Biology (AREA)
- Zoology (AREA)
- Marine Sciences & Fisheries (AREA)
- Wind Motors (AREA)
Abstract
The invention belongs to the technical field of offshore wind power generation and offshore cultivation, and particularly discloses a floating offshore wind turbine mooring system combined with a cultivation net cage, which comprises a plurality of offshore wind turbines, a plurality of floating wind turbine foundations, a cultivation net cage floating frame system and an anchoring system; the offshore wind turbine is fixedly arranged above a floating wind turbine foundation, the floating wind turbine foundation is of a regular triangle structure, three vertexes of the floating wind turbine foundation are connected with one end of a second mooring chain, the other end of the second mooring chain is fixedly connected to a circular net cage frame respectively, a plurality of net cage frames form a floating frame system of the cultivation net cage, a net is wrapped outside the net cage frames, so that a cultivation space is formed inside the net cage frames, and the bottom end of the net cage frames is connected with an anchoring system through a first mooring chain; the invention reduces project development, construction and installation costs by combining the floating type offshore wind power mooring system with the deep sea culture net cage.
Description
Technical Field
The invention relates to the technical field of offshore wind power generation and offshore cultivation, in particular to a floating offshore wind turbine mooring system combined with a cultivation net cage.
Background
At present, the offshore wind power technology in China rapidly develops, the development field gradually expands towards open sea, and simultaneously, the offshore wind power comes to an inexpensive age, so that the reduction of the power generation cost of the offshore wind power becomes a difficult problem to be solved urgently. The offshore aquaculture industry is also working from shallow offshore areas (< 20 m) offshore to deep offshore areas (> 30 m) due to the high exchange rate of water in deep open sea and low contaminant content, but the cost of aquaculture net cages is always at a high level due to the severe sea conditions in deep open sea. The requirements on wind wave resistance of the deep open sea wind power and fishing ground platform are high, the mooring system design and construction difficulties are high, and the overall cost is high.
The offshore wind power, the mariculture and other projects are large sea households, the sea space cannot be fully utilized by a single project, a large amount of sea resources are idle, and the comprehensive utilization of various ocean energy sources is expected to become a trend of future ocean resource development. The offshore wind power is integrated with offshore cultivation construction, so that the offshore wind power can be used for sea efficiently and scientifically, and the utilization degree of sea resources is maximized.
Disclosure of Invention
The invention aims to provide a floating offshore wind turbine mooring system combined with a culture net cage, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a floating offshore wind turbine mooring system combined with a culture net cage comprises a plurality of offshore wind turbines, a plurality of floating wind turbine foundations, a culture net cage floating frame system and an anchoring system; the offshore wind turbine is fixedly arranged above the floating wind turbine foundation, the floating wind turbine foundation is of a regular triangle structure, one end of a second mooring chain is connected to three top points of the floating wind turbine foundation, the other end of the second mooring chain is fixedly connected to a circular net cage frame respectively, a plurality of net cage frames form a floating cage frame system, a net is covered outside the net cage frames, a cultivation space is formed inside the net cage frames, and the bottom end of the net cage frames is connected with an anchoring system through a first mooring chain.
Preferably, the three vertexes of the floating type fan foundation are provided with upright pontoons, and the upright pontoons are fixedly connected with the second mooring chain close to the floating type fan foundation and are used for providing vertical upward buoyancy for the second mooring chain, wherein the buoyancy is larger than vertical downward acting force applied to the second mooring chain.
Preferably, the upright pontoon is a hollow cavity, and is composed of a steel skeleton, polyethylene filling foam and a polyurethane elastic shell, wherein the steel skeleton is coated with the polyethylene filling foam, and the steel skeleton is coated with the polyurethane elastic shell, so that the upright pontoon is prepared.
Preferably, the offshore wind turbine is fixed at one of the vertices of the floating wind turbine foundation.
Preferably, the ballast tank for adjusting gravity is arranged in the upright pontoon, the buoyancy of the upright pontoon is controlled by pumping in or pumping out seawater in the ballast tank, the gravity of the three upright pontoons of the same floating type fan foundation is different, and the gravity of the upright pontoon at the position where the offshore wind turbine is arranged is smaller than that of the upright pontoons at the other two vertexes, so that the buoyancy of the integral floating type fan foundation is kept in a balanced state.
Preferably, three second mooring chains are connected to the same cage frame, and the three second mooring chains are fixedly arranged at the trisection points of the circular cage frame.
Preferably, the cage frame and the floating fan foundation are arranged at intervals, and the integral plane arrangement is honeycomb-shaped in a combined mooring mode.
Preferably, a plurality of balancing weights are uniformly arranged on the second mooring chain, and the balancing weights are solid objects with density higher than that of seawater.
Preferably, the anchoring system includes, but is not limited to, in the form of a drag anchor, a driven pile type anchor, a negative pressure pile type anchor, a gravity type anchor, and the like.
Preferably, the bottom end of the anchoring system is fixed on the sea bottom through anchor piles and is used for restraining the deflection of the whole system and realizing the mooring stability of the floating frame system of the culture net cage.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, a combination technology of a floating type fan mooring system and a cultivation net cage is adopted, a plurality of offshore fans share one mooring net cage, so that the mooring utilization rate is improved, the development cost of floating type offshore wind power is reduced, the mooring cost of the floating type fan is reduced, fish cultivation can be carried out by utilizing the cultivation net cage, the wind and fish complementation of offshore resources is realized, and the development utilization rate of the ocean resources is effectively improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
Fig. 2 is a schematic plan view of the present invention.
In the figure: 1. an offshore wind turbine; 2. a floating fan foundation; 21. upright post pontoons; 3. a floating frame system of the culture net cage; 31. a cage frame; 4. a netting; 5. an anchoring system; 6. a first mooring chain; 7. and a second mooring chain.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-2, the present invention provides a technical solution: a floating offshore wind turbine mooring system combined with a culture net cage comprises a plurality of offshore wind turbines 1, a plurality of floating wind turbine foundations 2, a culture net cage floating frame system 3 and an anchoring system 5; the offshore wind turbine 1 is fixedly arranged above the floating wind turbine foundation 2, the floating wind turbine foundation 2 is of a regular triangle structure, one end of the second mooring chain 7 is connected to three vertexes of the floating wind turbine foundation 2, the other ends of the second mooring chains 7 are respectively and fixedly connected to a circular net cage frame 31, a plurality of net cage frames 31 form a cultivation net cage floating frame system 3, the net cage frames 31 are coated with net clothes 4, cultivation space is formed inside the net cage frames 31, and the bottom ends of the net cage frames 31 are connected with the anchoring system 5 through the first mooring chains 6.
Further, the three vertexes of the floating type wind turbine foundation 2 are provided with upright pontoons 21, and the upright pontoons 21 are fixedly connected to the second mooring chain 7 close to the floating type wind turbine foundation 2 and are used for providing the second mooring chain 7 with vertical upward buoyancy, wherein the buoyancy is greater than the vertical downward acting force exerted by the second mooring chain 7.
Further, the upright pontoon 21 is a hollow cavity, the upright pontoon 21 is composed of a steel skeleton, polyethylene filling foam and a polyurethane elastic shell, the polyethylene filling foam coats the steel skeleton, and the polyurethane elastic shell coats the polyethylene filling foam, so that the upright pontoon 21 is prepared.
Further, the offshore wind turbine 1 is fixed at one of the vertices of the floating wind turbine foundation 2.
Further, a ballast tank for adjusting gravity is arranged in the upright pontoons 21, the ballast tank pumps in or out seawater to control the buoyancy of the upright pontoons 21, the gravity of the three upright pontoons 21 of the same floating type fan foundation 2 is different, and the gravity of the upright pontoons 21 at the position of the offshore wind turbine 1 is smaller than that of the upright pontoons 21 at the other two vertexes, so that the buoyancy of the whole floating type fan foundation 2 is kept in a balanced state.
Further, three second mooring chains 7 are connected to the same cage frame 31, and the three second mooring chains 7 are fixedly arranged at three equal dividing points of the circular cage frame 31.
Further, the net cage frame 31 is spaced from the floating fan foundation 2, and adopts a combined mooring mode, so that the whole plane arrangement is in a honeycomb shape, and the specific connection is shown in fig. 2.
Further, a plurality of balancing weights are uniformly arranged on the second mooring chain 7, and the balancing weights are solid objects with density higher than that of seawater.
Further, the anchoring system 5 includes, but is not limited to, in the form of a drag anchor, a driven pile type anchor, a negative pressure pile type anchor, a gravity type anchor, and the like.
Further, the bottom end of the anchoring system 5 is fixed on the sea bottom through anchor piles and is used for restraining the deflection of the whole system and realizing the mooring stability of the floating frame system 3 of the culture net cage.
Working principle: the invention provides a floating offshore wind turbine mooring system combined with a culture net cage, which comprises a plurality of offshore wind turbines 1, a plurality of floating wind turbine foundations 2, a culture net cage floating frame system 3 and an anchoring system 5; the offshore wind turbine 1 is fixedly arranged above the floating wind turbine foundation 2, the floating wind turbine foundation 2 is of a regular triangle structure, three vertexes of the floating wind turbine foundation 2 are connected with one end of a second mooring chain 7, the other end of the second mooring chain 7 is fixedly connected to a circular net cage frame 31 respectively, a plurality of net cage frames 31 form a cultivation net cage floating frame system 3, the outside of the net cage frame 31 is coated with a net coat 4, so that a cultivation space is formed inside the net cage frame 31, and the bottom end of the net cage frame 31 is connected with an anchoring system 5 through a first mooring chain 6; the invention adopts a combination technology of a floating type fan mooring system and a cultivation net cage, and a plurality of the offshore fans 1 share one mooring net cage, so that the mooring utilization rate is improved, the development cost of floating type offshore wind power is reduced, the mooring cost of the floating type fans is reduced, fish cultivation can be carried out by utilizing the cultivation net cage, wind-fish complementation of offshore resources is realized, and the development utilization rate of the ocean resources is effectively improved.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A floating offshore wind turbine mooring system in combination with a aquaculture cage, characterized in that: comprises a plurality of offshore fans (1), a plurality of floating fan foundations (2), a culture net cage floating frame system (3) and an anchoring system (5); offshore wind turbine (1) fixed mounting is in the top of floating fan foundation (2), floating fan foundation (2) set up to regular triangle structure, the one end of second mooring chain (7) is connected in three summit department of floating fan foundation (2), the other end of second mooring chain (7) is fixed connection to a circular shape box with a net frame (31) respectively, and breed box with a net floats frame system (3) is constituteed in a plurality of box with a net frame (31), the outside cladding of box with a net frame (31) sets up net (4) for box with a net frame (31) inside forms the breed space, the bottom of box with a net frame (31) is connected with anchor system (5) through first mooring chain (6).
2. A floating offshore wind turbine mooring system incorporating a farming cage according to claim 1, wherein: the three vertexes of the floating fan foundation (2) are provided with upright pontoons (21), and the upright pontoons (21) are fixedly connected with the second mooring chains (7) close to the floating fan foundation (2) and are used for providing vertical upward buoyancy for the second mooring chains (7), wherein the buoyancy is greater than vertical downward acting force borne by the second mooring chains (7).
3. A floating offshore wind turbine mooring system incorporating a farming cage according to claim 2, wherein: the upright pontoon (21) is a hollow cavity, the upright pontoon (21) is composed of a steel skeleton, polyethylene filling foam and a polyurethane elastic shell, the steel skeleton is coated by the polyethylene filling foam, and the upright pontoon (21) is prepared by coating the polyethylene filling foam on the polyurethane elastic shell.
4. A floating offshore wind turbine mooring system incorporating a farming cage according to claim 2, wherein: the offshore wind turbine (1) is fixed at one of the vertices of the floating wind turbine foundation (2).
5. A floating offshore wind turbine mooring system incorporating a farming cage according to claim 2, wherein: the buoyancy of the vertical column pontoon (21) is controlled by pumping in or pumping out seawater, the gravity of the three vertical column pontoons (21) of the same floating type fan foundation (2) is different, the gravity of the vertical column pontoon (21) arranged at the offshore wind turbine (1) is smaller than that of the vertical column pontoons (21) at the other two vertexes, and therefore the buoyancy of the whole floating type fan foundation (2) is kept in a balanced state.
6. A floating offshore wind turbine mooring system incorporating a farming cage according to claim 1, wherein: three second mooring chains (7) are connected to the same net cage frame (31), and the three second mooring chains (7) are fixedly arranged at the trisection points of the circular net cage frame (31).
7. A floating offshore wind turbine mooring system incorporating a farming cage according to claim 1, wherein: the net cage frames (31) and the floating fan foundation (2) are arranged at intervals, and are integrally arranged in a honeycomb shape in a plane by adopting a combined mooring mode.
8. A floating offshore wind turbine mooring system incorporating a farming cage according to claim 1, wherein: and a plurality of balancing weights are uniformly arranged on the second mooring chain (7), and the balancing weights are solid objects with density higher than that of seawater.
9. A floating offshore wind turbine mooring system incorporating a farming cage according to claim 1, wherein: the anchoring system (5) includes, but is not limited to, in the form of a drag anchor, a driven pile type anchor, a negative pressure pile type anchor, a gravity type anchor, and the like.
10. A floating offshore wind turbine mooring system incorporating a farming cage according to claim 1, wherein: the bottom end of the anchoring system (5) is fixed on the sea bottom through anchor piles and used for restraining the deflection of the whole system and realizing the mooring stability of the floating frame system (3) of the culture net cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410274744.6A CN118306526A (en) | 2024-03-11 | 2024-03-11 | Floating offshore wind turbine mooring system combined with aquaculture net cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410274744.6A CN118306526A (en) | 2024-03-11 | 2024-03-11 | Floating offshore wind turbine mooring system combined with aquaculture net cage |
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| Publication Number | Publication Date |
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| CN118306526A true CN118306526A (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410274744.6A Pending CN118306526A (en) | 2024-03-11 | 2024-03-11 | Floating offshore wind turbine mooring system combined with aquaculture net cage |
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| CN (1) | CN118306526A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118953581A (en) * | 2024-10-17 | 2024-11-15 | 山东省海洋科学研究院(青岛国家海洋科学研究中心) | Shared mooring design method and system for floating aquaculture cage groups |
-
2024
- 2024-03-11 CN CN202410274744.6A patent/CN118306526A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118953581A (en) * | 2024-10-17 | 2024-11-15 | 山东省海洋科学研究院(青岛国家海洋科学研究中心) | Shared mooring design method and system for floating aquaculture cage groups |
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