CN115088660A - Semi-submersible floating type fan and flexible net cage integrated structure and construction method thereof - Google Patents
Semi-submersible floating type fan and flexible net cage integrated structure and construction method thereof Download PDFInfo
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- CN115088660A CN115088660A CN202210686600.2A CN202210686600A CN115088660A CN 115088660 A CN115088660 A CN 115088660A CN 202210686600 A CN202210686600 A CN 202210686600A CN 115088660 A CN115088660 A CN 115088660A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; 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
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a semi-submersible floating type fan and flexible net cage integrated structure and a construction method thereof. The floating type fan and the flexible net cage are combined to form advantage complementation, so that the resource development cost is reduced, the economic benefit of the whole field is improved, high-quality seawater fish is provided, and the high-quality seawater fish has better economic and social benefits.
Description
Technical Field
The invention relates to the technical field of ocean engineering and ocean pasture development, in particular to a semi-submersible floating type fan and flexible net cage integrated structure and a construction method thereof.
Background
With the gradual trend of the modern marine industry to deep sea, floating fans and deep sea cultivation equipment become the main focus of the offshore wind power industry and the marine fishery industry respectively. The foundation structure of the semi-submersible floating type fan mainly comprises a cross beam, an inclined strut, a stand column and a tower drum, and a large amount of space is reserved in the middle and is not utilized. Taking a Y-type semi-submersible floating wind turbine as an example, the length of the base arm is about 80m, and the height of the upright post is about 30 m. Compared with offshore aquaculture net cages, the deep sea aquaculture net cage is higher in wave flow load, needs to be provided with an automatic feeding system and an anchoring and positioning system, and is high in cost. Traditional mariculture equipment is limited by two factors and cannot be applied to open sea wind power plants. 1) In order to resist the severe sea conditions of open sea, the anchoring and positioning system of the net cage needs to be designed in a reinforcing way, so that the anchoring cost is too high, the culture economy is poor and even loss is caused; 2) when the traditional aquaculture net cage is combined with the floating fan, an additional frame structure is often required to be additionally arranged on the floating fan, so that the load borne by the floating fan is greatly increased, the whole structure and the anchoring system of the floating fan are greatly influenced, the traditional raft frame and the HDPE frame structure cannot resist the open sea severe sea condition, the frame is easy to damage, and then fish schools are caused to escape. Therefore, the flexible net cage with good wind and wave resistance is combined with the existing semi-submersible floating fan into integrated equipment, and the integrated equipment has important engineering application value.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a semi-submersible floating type fan and flexible net cage integrated structure and a construction method thereof.
In order to achieve the purpose, the technical scheme provided by the invention is as follows: a semi-submersible floating type fan and flexible net cage integrated structure comprises a semi-submersible floating type fan, a single-point anchoring system, a flexible net cage and an automatic feeding system, wherein the semi-submersible floating type fan is connected with the seabed through the single-point anchoring system, the flexible net cage is arranged on an upwind concrete arm of the semi-submersible floating type fan, the flexible net cage is supported by the upwind concrete arm and bears the load transmitted by the flexible net cage, the automatic feeding system is arranged on the semi-submersible floating type fan, and baits are periodically fed into the flexible net cage at fixed points through the automatic feeding system.
Further, semi-submerged formula floats formula fan includes floating fan basis, Y type tower section of thick bamboo and two cabins, floating fan basis includes upwind concrete arm, two downwind concrete arms, upwind stand and two downwind stands, upwind concrete arm is hollow column structure, and its inside inner space that is used for installing automatic feeding system that forms, upwind concrete arm and two downwind concrete arms are connected, constitute the concrete arm main part of Y form, upwind stand and two downwind stands are vertical respectively to be set up on the tip of upwind concrete arm and two downwind concrete arms, the bottom of Y type tower section of thick bamboo is fixed in the center department of concrete arm main part, and two cabins are installed respectively in two tops of Y type tower section of thick bamboo.
Furthermore, the upwind concrete arm and the downwind concrete arm are built in a sectional prefabrication and steel strand connection assembly mode respectively.
Further, the single-point anchoring system is fixed at the bottom of the upwind upright post.
Further, flexible box with a net includes flotation pontoon, etting frock, steel pipe and lid net, the etting frock includes pre-buried a plurality of lower eye plate bases in last wind direction concrete arm and a plurality of single hole eye plates of going up that are connected with a plurality of lower eye plate bases one-to-ones, the steel pipe passes a plurality of single hole eye plates of going up in proper order and forms the rectangular frame who is used for installing the etting, the bottom and the rectangular frame bound connection of etting, its top are connected with the round flotation pontoon, thereby float in the surface of water and open the etting formation and breed the region through the flotation pontoon to provide pretension, lid net covers in the top of etting, thereby will breed the region and seal, prevent to run the fish.
Further, the automatic feeding system comprises a bait cabin, a feeding pipe system, a plurality of underwater feeding devices and a controller; the bait cabin is arranged in an upwind upright post of the semi-submersible floating fan or a cabin of a Y-shaped tower barrel, and the cabin is positioned above the water surface; the feeding pipe system is arranged in the upwind concrete arm and comprises a feeding main pipe, a plurality of feeding branch pipes, a conveying pump, a sea valve, an inlet valve and an outlet valve, wherein the feeding branch pipes are uniformly pre-embedded in the upwind concrete arm; each feeding branch pipe is correspondingly connected with an underwater feeder; the controller is in communication connection with the inlet valve, the outlet valve and the sea valve, bait can enter the conveying pump from the bottom of the bait cabin along the feeding main pipe under the action of gravity and suction force of the conveying pump, meanwhile, seawater enters the conveying pump through the sea valve, the bait and the seawater are mixed by the conveying pump to obtain bait water, then the bait water sequentially enters the underwater feeding device through the feeding main pipe and the feeding branch pipe, and the bait water is regularly fed into the flexible net cage at fixed points through the underwater feeding device.
Furthermore, there are two bait cabins, which are respectively arranged in the cabin of the vertical column in the upper wind direction of the semi-submersible floating fan or the Y-shaped tower drum.
Furthermore, the upper end of the feeding branch pipe is positioned in the culture area of the flexible net cage, the lower end of the feeding branch pipe is positioned in the inner space of the upwind concrete arm, and the lower end of the feeding branch pipe is supported by an inclined strut.
The construction method of the semi-submersible floating fan and flexible net cage integrated structure comprises the following steps:
1) manufacturing an upwind concrete arm on the bank by adopting a segmented prefabrication and steel strand connection assembly mode; the automatic feeding system comprises a plurality of upper wind direction concrete arms, a plurality of lower eye plate bases, a plurality of feeding branch pipes, a plurality of feeding support pipes and a plurality of feeding support pipes, wherein the plurality of lower eye plate bases and the plurality of feeding support pipes are respectively embedded in corresponding positions in the upper wind direction concrete arms, and an inner space for installing the automatic feeding system is reserved in the upper wind direction concrete arms;
2) sequentially penetrating a steel pipe through the eyelets of the upper single-eyelet plates, connecting each upper single-eyelet plate with the lower eyelet plate base in a one-to-one correspondence mode through bolts to enable the steel pipe to form a rectangular frame, and finally welding four corners of the rectangular frame on the top surface of the upper wind direction concrete arm to complete construction of the netting tool;
3) the bottom of the netting is bound and fixed on the netting tool by using a net wire, the top of the netting is bound at the bottom of the buoy, the cover net covers the top of the whole netting, and the side edge of the cover net is bound at the inner side part of the buoy, so that the installation of the flexible net cage is completed;
4) the semi-submersible floating type fan is installed according to a traditional construction method, the flexible net cage is folded before the semi-submersible floating type fan is launched, namely, the buoy and a netting tool are bound and fixed by using a rope, so that the influence of the flexible net cage on towing and installation of the semi-submersible floating type fan is avoided;
5) installing an automatic feeding system at a preset position of the semi-submersible floating fan according to requirements;
6) wet towing the integrated structure of the semi-submersible floating fan and the flexible net cage to a predetermined sea area by a tow boat;
7) the semi-submersible floating type fan is installed to a preset sea area through a single-point anchoring system, then ropes for binding the buoy and the netting tool are untied, the buoy floats to the water surface under the action of buoyancy, the netting is opened to form a closed culture area, and the construction of the integrated structure of the semi-submersible floating type fan and the flexible net cage is completed at the moment.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the semi-submersible floating type fan and flexible net cage integrated structure adopts a single-point anchoring system, is integrally a compliant structure, can automatically align the incoming flow direction under the action of wind and wave flow, realizes the maximization of fan power, can shield the wave flow through the upper wind direction upright post, and reduces the wave flow load borne by the flexible net cage.
2. The concrete arm can be manufactured in a factory sectional prefabrication mode, and then is assembled in a sectional mode in a final assembly site.
3. The concrete arm is manufactured in sections, and each section and the accessory net cage component are standard parts, so that conditions are provided for batch manufacturing, manufacturing cost can be reduced, and manufacturing quality is improved.
4. Compare with traditional HDPE box with a net, utilize floating fan basis as the bearing structure of flexible box with a net, saved HDPE box with a net frame and anchor system, reduced the investment cost of box with a net, improved the breed income.
5. Compared with the traditional HDPE net cage, the structure of the floating type fan foundation is stronger than that of the traditional HDPE net cage frame, and can resist larger wind waves and improve the wind wave resistance of the net cage.
6. Compare with traditional HDPE box with a net, through set up the automatic feeding system in floating fan basis inside, realize bait storage and automatic feeding, reduced breeder's frequency of going out to the sea, and then reduced breeder working strength and breed cost.
7. Compare with original floating fan, through increasing flexible box with a net, realized the output of breeding the income under the less condition of load increment, whole economic benefits can improve.
8. The semi-submersible floating type fan and the flexible net cage can be manufactured separately, the independence is good, the mutual interference between the semi-submersible floating type fan and the flexible net cage is small, and the semi-submersible floating type fan and the flexible net cage have the advantages of convenience and rapidness in site construction, good stability and good social and economic benefits.
9. The flexible net cage can form an integrated structure with any semi-submersible type floating fan with a base arm or a beam, has wide application range and good popularization.
Drawings
Fig. 1 is a schematic overall structure diagram of the integrated structure of the present invention.
Fig. 2 is a side view of the flexible cage of the present invention.
Fig. 3 is a top view of the flexible cage of the present invention.
Fig. 4 is a fragmentary cross-sectional view of the upwind concrete arm of the present invention.
Fig. 5 is a schematic installation diagram of the netting tool of the present invention.
Fig. 6 is a schematic view of the installation of the automatic feeding system of the present invention.
FIG. 7 is a flow chart of the construction method of the present invention.
Detailed Description
The present invention is further illustrated with reference to the following specific examples, but the mode of use of the present invention is not limited thereto.
As shown in fig. 1 to 6, the integrated structure of the semi-submersible floating fan and the flexible net cage in this embodiment includes a semi-submersible floating fan, a single-point anchoring system, a flexible net cage and an automatic feeding system, the semi-submersible floating fan is connected to the seabed through the single-point anchoring system, the flexible net cage is arranged on an upwind concrete arm of the semi-submersible floating fan, the flexible net cage is supported by the upwind concrete arm and bears the load transferred from the flexible net cage, the automatic feeding system is arranged on the semi-submersible floating fan, and bait is periodically and fixedly fed into the flexible net cage through the automatic feeding system.
Specifically, the semi-submersible floating type wind turbine comprises a floating type wind turbine foundation, a Y-shaped tower 105 and two engine rooms 106, wherein the floating type wind turbine foundation comprises an upwind concrete arm 101, two downwind concrete arms 102, an upwind upright post 103 and two downwind upright posts 104, the upwind concrete arm 101 is of a hollow structure, an inner space for installing an automatic feeding system is formed inside the upwind concrete arm 101, the upwind concrete arm 101 is connected with the two downwind concrete arms 102 to form a Y-shaped concrete arm main body, the upwind upright post 103 and the two downwind upright posts 104 are vertically arranged at the tail ends of the upwind concrete arm 101 and the two downwind concrete arms 102 respectively, the bottom of the Y-shaped tower 105 is fixed at the center of the concrete arm main body, and the two engine rooms 106 are arranged at the two tops of the Y-shaped tower 105 respectively.
The single point mooring system 3 is fixed to the bottom of the upwind mast 103.
In order to facilitate manufacturing and improve manufacturing efficiency and quality, the upwind concrete arm 101 and the downwind concrete arm 102 are respectively constructed in a segmented prefabrication and steel strand connection assembly mode.
Specifically, the flexible net cage comprises a buoy 201, a netting 202, a netting tool, a steel pipe 205 and a cover net 206, the netting tool comprises a plurality of lower eye plate bases 203 pre-embedded in the upwind concrete arm 101 and a plurality of upper single-hole eye plates 204 which are correspondingly connected with the lower eye plate bases 203 one by one, the steel pipe 205 sequentially penetrates through the upper single-hole eyelet plates 204 to form a rectangular frame for mounting the netting 202, the bottom of the netting 202 is connected with the rectangular frame in a binding manner, a ring of floating cylinders 201 is connected with the top of the net cover 202, the cover net 206 covers the top of the net cover 202, thereby closing the culture area, preventing fish from running, floating on the water surface through the buoy 201 so as to open the net 202 to form the culture area, and providing pretension, meanwhile, the net cover tool is connected with the upwind concrete arm 101, so that wave load borne by the buoy 201 and the net cover 202 is transmitted to the upwind concrete arm 101.
Specifically, the automatic feeding system comprises a bait cabin 301, a feeding pipe system, a plurality of underwater feeders 308 and a controller 309; the bait cabin 301 is arranged in an upper wind direction upright post 103 of a semi-submersible floating type fan or a cabin of a Y-shaped tower barrel 105, and the cabin is positioned above the water surface; the feeding pipe system is arranged in the upwind concrete arm 101 and comprises a main feeding pipe 302, a plurality of branch feeding pipes 303, a conveying pump 304, a sea through valve 305, an inlet valve 306 and an outlet valve 307, wherein the branch feeding pipes 303 are uniformly pre-embedded in the upwind concrete arm 101, the main feeding pipe 302 is arranged in the inner space of the upwind concrete arm 101 and is provided with a feeding port and a plurality of discharging ports, the discharging ports are respectively connected with the branch feeding pipes 303 in a one-to-one correspondence manner, the feeding port of the main feeding pipe is provided with the conveying pump 304, the conveying pump 304 is provided with three interfaces, the first interface is connected with the bait cabin 301 and is provided with the inlet valve 306, the second interface is connected with the main feeding pipe 302 and is provided with the outlet valve 307, and the third interface is connected with external seawater and is provided with the sea through valve 305; each feeding branch pipe 303 is correspondingly connected with an underwater feeder 308; the controller 309 is in communication connection with the inlet valve 306, the outlet valve 307 and the sea through valve 305, bait can enter the delivery pump 304 from the bottom of the bait cabin 301 along the main feeding pipe 302 under the action of gravity and the suction force of the delivery pump 304, meanwhile, seawater enters the delivery pump 304 through the sea through valve 305, the bait is mixed with the seawater by the delivery pump 304 to obtain bait water, then the bait water sequentially enters the underwater batch feeder 308 through the main feeding pipe 302 and the branch feeding pipe 303, and the bait water is periodically and fixedly thrown into the flexible net cage through the underwater batch feeder 308.
In this embodiment, there are two bait chambers 301, which are respectively disposed in the windward pillar 103 of the semi-submersible floating wind turbine or the chamber of the Y-tower 105.
The upper end of the feeding branch pipe 303 is positioned in the culture area of the flexible net cage, the lower end is positioned in the inner space of the upwind concrete arm 101, and the lower end is supported by an inclined strut 310.
As shown in fig. 7, the construction method of the integrated structure of the semi-submersible floating wind turbine and the flexible net cage comprises the following steps:
1) manufacturing an upwind concrete arm on the bank by adopting a segmented prefabrication and steel strand connection assembly mode; wherein, with a plurality of down eye plate bases and with a plurality of throw the material branch pipe and pre-buried respectively in the corresponding position of upwind direction concrete arm to reserve the inner space that is used for installing automatic feeding system in upwind direction concrete arm, with the relevant equipment of quick installation netting frock and automatic feeding system, and undertake the load of relevant equipment transmission.
2) And finally, welding four corners of the rectangular frame on the top surface of the upwind concrete arm to complete the construction of the netting tool.
3) The bottom of the netting is bound and fixed on the netting tool by using the net wire, the upper end extending section of the vertical line of the netting is bound at the bottom hole of the bottom of the buoy, the cover net covers the top of the whole netting, and the side edge of the cover net is bound at the inner side part of the buoy, so that the installation of the flexible net cage is completed.
4) The semi-submersible floating type fan is installed according to a traditional construction method, the flexible net cage is folded before the semi-submersible floating type fan is launched, namely, the buoy and a netting tool are bound and fixed through the rope, so that the flexible net cage is prevented from influencing towing and installation of the semi-submersible floating type fan, and the transportation stability and efficiency are improved.
5) And installing the automatic feeding system at a preset position of the semi-submersible floating type fan according to requirements.
6) And (3) wet towing the integrated structure of the semi-submersible floating fan and the flexible net cage to a predetermined sea area by using a towing ship.
7) The semi-submersible floating type fan is installed to a preset sea area through a single-point anchoring system, then ropes for binding the buoy and the netting tool are untied, the buoy floats to the water surface under the action of buoyancy, the netting is opened to form a closed culture area, and the construction of the integrated structure of the semi-submersible floating type fan and the flexible net cage is completed at the moment.
When the integrated structure of the semi-submersible floating fan and the flexible net cage is used for daily feeding and breeding and feeding, the specific method is as follows:
the automatic feeding system is periodically supplied with materials through the culture ship. During feeding, the bait is blown to the bait cabin by the blower of the culture ship. During daily breeding feeding operation, an inlet valve, an outlet valve and a sea valve at the bottom of a bait cabin are opened at fixed points regularly through a controller of an automatic feeding system, then, bait is mixed with seawater by a delivery pump and is delivered to an underwater feeder, and the bait is fed into a flexible net cage at fixed points regularly by the underwater feeder.
The flexible net cage can form an integrated structure with any semi-submersible type floating fan with a base arm or a beam, and has wide application range and good popularization.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that variations based on the shape and principle of the present invention should be covered within the scope of the present invention.
Claims (9)
1. The utility model provides a semi-submerged formula floating fan and flexible net case integral structure which characterized in that: the semi-submersible floating type wind power generation device comprises a semi-submersible floating type fan, a single-point anchoring system, a flexible net cage and an automatic feeding system, wherein the semi-submersible floating type fan is connected with the seabed through the single-point anchoring system, the flexible net cage is arranged on an upwind concrete arm of the semi-submersible floating type fan, the flexible net cage is supported by the upwind concrete arm and bears the load transmitted by the flexible net cage, the automatic feeding system is arranged on the semi-submersible floating type fan, and baits are fed into the flexible net cage at regular fixed points through the automatic feeding system.
2. The integrated semi-submersible floating wind turbine and flexible net cage structure of claim 1, wherein: the semi-submersible floating type fan comprises a floating type fan foundation, a Y-shaped tower barrel and two engine rooms, wherein the floating type fan foundation comprises an upwind concrete arm, two downwind concrete arms, an upwind upright post and two downwind upright posts, the upwind concrete arm is of a hollow structure, an inner space used for installing an automatic feeding system is formed inside the upwind concrete arm, the upwind concrete arm is connected with the two downwind concrete arms to form a Y-shaped concrete arm main body, the upwind upright post and the two downwind upright posts are vertically arranged at the tail ends of the upwind concrete arm and the two downwind concrete arms respectively, the bottom of the Y-shaped tower barrel is fixed at the center of the concrete arm main body, and the two engine rooms are arranged at the two tops of the Y-shaped tower barrel respectively.
3. The integrated semi-submersible floating wind turbine and flexible net cage structure of claim 2, wherein: the upwind concrete arm and the downwind concrete arm are built in a segmented prefabrication and steel strand connection assembly mode respectively.
4. The integrated semi-submersible floating wind turbine and flexible net cage structure of claim 2, wherein: the single-point anchoring system is fixed at the bottom of the upwind upright post.
5. The integrated semi-submersible floating wind turbine and flexible net cage structure of claim 1, wherein: the flexible net cage comprises a floating cylinder, a net tool, a steel pipe and a cover net, wherein the net tool comprises a plurality of lower eye plate bases which are embedded in an upwind concrete arm and a plurality of upper single-hole eye plates which are connected with the plurality of lower eye plate bases in a one-to-one correspondence mode, the steel pipe sequentially penetrates through the plurality of upper single-hole eye plates to form a rectangular frame used for installing the net, the bottom of the net is connected with the rectangular frame in a bound mode, the top of the net is connected with a circle of floating cylinder, the floating cylinder floats on the water surface to open the net to form a breeding area, and pretension is provided, the cover net covers the top of the net, so that the breeding area is sealed, and fish running is prevented.
6. The integrated semi-submersible floating wind turbine and flexible net cage structure of claim 1, wherein: the automatic feeding system comprises a bait cabin, a feeding pipe system, a plurality of underwater feeders and a controller; the bait cabin is arranged in an upwind upright post of the semi-submersible floating fan or a cabin of a Y-shaped tower barrel, and the cabin is positioned above the water surface; the feeding pipe system is arranged in the upwind concrete arm and comprises a feeding main pipe, a plurality of feeding branch pipes, a conveying pump, a sea valve, an inlet valve and an outlet valve, wherein the feeding branch pipes are uniformly pre-embedded in the upwind concrete arm; each feeding branch pipe is correspondingly connected with an underwater feeder; the controller is in communication connection with the inlet valve, the outlet valve and the sea valve, bait can enter the conveying pump from the bottom of the bait cabin along the feeding main pipe under the action of gravity and suction of the conveying pump, meanwhile, seawater enters the conveying pump through the sea valve, the bait and the seawater are mixed by the conveying pump to obtain bait water, then the bait water sequentially enters the underwater feeding device through the feeding main pipe and the feeding branch pipe, and the bait water is periodically put into the flexible net cage at fixed points through the underwater feeding device.
7. The integrated semi-submersible floating wind turbine and flexible net cage structure of claim 6, wherein: the number of the bait cabins is two, and the two bait cabins are respectively arranged in an upper wind direction upright post of the semi-submersible floating type fan or a cabin of a Y-shaped tower drum.
8. The integrated semi-submersible floating wind turbine and flexible net cage structure of claim 6, wherein: the upper end of the feeding branch pipe is positioned in the breeding area of the flexible net cage, the lower end of the feeding branch pipe is positioned in the inner space of the upwind concrete arm, and the lower end of the feeding branch pipe is supported by an inclined strut.
9. The construction method of the semi-submersible floating wind turbine and flexible net cage integrated structure according to any one of claims 1 to 8, characterized by comprising the following steps:
1) manufacturing an upper wind direction concrete arm on the bank in a segmented prefabrication and steel strand connection assembly mode; the automatic feeding system comprises an upper wind direction concrete arm, a plurality of lower eye plate bases, a plurality of feeding branch pipes, a plurality of lifting arms and a plurality of lifting arms, wherein the plurality of lower eye plate bases and the plurality of feeding branch pipes are respectively embedded in corresponding positions in the upper wind direction concrete arm, and an internal space for installing the automatic feeding system is reserved in the upper wind direction concrete arm;
2) sequentially penetrating steel pipes through the eyelets of the upper single-hole eyelets, connecting the upper single-hole eyelets with the bases of the lower eyelets through bolts in a one-to-one correspondence manner to enable the steel pipes to form a rectangular frame, and finally welding four corners of the rectangular frame to the top surface of the upper wind direction concrete arm to complete construction of a netting tool;
3) the bottom of the netting is bound and fixed on the netting tool by using a net wire, the top of the netting is bound at the bottom of the buoy, the cover net covers the top of the whole netting, and the side edge of the cover net is bound at the inner side part of the buoy, so that the installation of the flexible net cage is completed;
4) the semi-submersible floating type fan is installed according to a traditional construction method, the flexible net cage is folded before the semi-submersible floating type fan is launched, namely, the buoy and a netting tool are bound and fixed by using a rope, so that the influence of the flexible net cage on towing and installation of the semi-submersible floating type fan is avoided;
5) installing an automatic feeding system at a preset position of the semi-submersible floating fan according to requirements;
6) wet towing the integrated structure of the semi-submersible floating fan and the flexible net cage to a predetermined sea area by a tow boat;
7) the semi-submersible floating type fan is installed to a preset sea area through a single-point anchoring system, then ropes for binding the buoy and the netting tool are untied, the buoy floats to the water surface under the action of buoyancy, the netting is opened to form a closed culture area, and the construction of the integrated structure of the semi-submersible floating type fan and the flexible net cage is completed at the moment.
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| EP1969925A1 (en) * | 2006-09-08 | 2008-09-17 | Aquafarm 2005, S.L. | Submersible bottom cage for fish farming uses |
| CN206238107U (en) * | 2016-10-12 | 2017-06-13 | 华南农业大学 | A kind of Deep sea net cage cultivation wind send automatic feeding system |
| CN111232140A (en) * | 2020-01-06 | 2020-06-05 | 华北电力大学 | Floating offshore wind power foundation structure with additional net cage |
| CN211519801U (en) * | 2020-01-06 | 2020-09-18 | 中能电力科技开发有限公司 | Floating offshore wind power foundation structure with additional net cage |
| WO2021224525A1 (en) * | 2020-05-08 | 2021-11-11 | Seaplace S.L. | Floating reinforced concrete platform applicable to the marine wind power sector industry |
| CN215361779U (en) * | 2021-03-18 | 2021-12-31 | 明阳智慧能源集团股份公司 | Combined system for offshore wind power and deep sea net cage fishery breeding |
| CN113819001A (en) * | 2021-08-05 | 2021-12-21 | 中国华能集团清洁能源技术研究院有限公司 | Floating offshore wind power generation and deep sea aquaculture net cage fusion equipment |
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