CN217487301U - Semi-floating type cultivation net cage utilizing offshore wind power jacket foundation structure - Google Patents
Semi-floating type cultivation net cage utilizing offshore wind power jacket foundation structure Download PDFInfo
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- CN217487301U CN217487301U CN202121239547.9U CN202121239547U CN217487301U CN 217487301 U CN217487301 U CN 217487301U CN 202121239547 U CN202121239547 U CN 202121239547U CN 217487301 U CN217487301 U CN 217487301U
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Abstract
The utility model discloses an utilize half floating aquaculture net case of offshore wind power jacket foundation structure relates to offshore wind power and ocean pasture structural design field. The structure mainly comprises: offshore wind turbine foundation jacket structure, floating aquaculture net case and connection structure spare. The marine wind turbine jacket is characterized in that a main leg of a marine wind turbine jacket foundation is used as a carrier and connected with a floating cultivation net cage structure, and a prestress cable and a sinker are matched to form a net cage integral structure which is used as a marine ranching cultivation space carrier. The utility model discloses sea area around can make full use of offshore wind turbine basis realizes the synchronous development of marine wind power resource and ocean fishery resource.
Description
Technical Field
The utility model belongs to be relevant with ocean engineering and marine ranch development for the structural style of offshore wind turbine foundation and marine ranch relates to an utilize half floating aquaculture net case of offshore wind power jacket foundation structure.
Background
The integrated development of offshore wind power and marine ranch can comprehensively utilize marine resources, realize the fusion development of new energy industry and modern high-efficiency agriculture, and simultaneously have important significance for realizing the synchronous high-efficiency output of clean energy and safe aquatic products and improving the social benefit and the economic benefit of offshore wind power plant construction in China.
Common types of offshore wind turbine foundations include single pile foundations, jacket foundations, high pile cap foundations, and the like. The jacket foundation is in a truss foundation form formed by steel pipe piles and jacket structures, is large in size and good in stability, and is suitable for the marine environment with deep water depth.
With the development of marine cage culture, the marine cage culture is gradually moving to deep and open sea due to the limitation of offshore resources and offshore marine environmental pollution. And the deep sea water dynamic environment is bad, the structural stress of the net cage is poor, and if the deep sea net cage is independently constructed, the cost is higher, and the risk is larger. Therefore, the suitable aquaculture net cage structure plays an important role in solving the problems in the prior art and improving the economic benefit.
SUMMERY OF THE UTILITY MODEL
To the problem among the above-mentioned background art, the utility model aims at providing an utilize half floating aquaculture net case of offshore wind power jacket foundation structure, through half articulated half floating aquaculture net case of installation on the basis of offshore wind turbine jacket, have good hydrodynamic motion performance, build simply, stability is good to can utilize the electric energy that the fan produced to supply power for aquaculture equipment, realize the maximize utilization to ocean resource, be applicable to the fusion development of offshore wind power and ocean pasture.
The utility model adopts the technical proposal that:
a semi-floating aquaculture net cage utilizing a marine wind power jacket foundation structure is characterized in that the aquaculture net cage utilizes an offshore wind power jacket foundation structure as a carrier, the aquaculture net cage is positioned on one side of the offshore wind power jacket foundation structure, one side of a frame of the aquaculture net cage is fixedly connected with a connecting frame and is hinged with a main leg of a jacket through the connecting frame, and the aquaculture net cage is provided with a device for providing buoyancy, so that the aquaculture net cage can float on the sea surface; enabling the aquaculture net cage to float on the sea surface; the aquaculture net cage is provided with the anchor chain and the anchorage to jointly form a semi-floating aquaculture net cage which plays a certain degree of constraint effect on the motion of the aquaculture net cage, so that the structure is safer, the stress is better, the fusion development of offshore wind power and a marine ranch is realized, and the function of intensively using the sea is played; the aquaculture net cage is also provided with an anchor chain and an anchor.
On the basis of adopting above-mentioned technical scheme, the utility model discloses still can adopt following further technical scheme, or to these further technical scheme combined use:
the aquaculture net cage is mainly characterized in that a frame of the net cage is formed by a net cage truss horizontal rod, a net cage truss vertical rod and a net cage truss inclined strut, and buoyancy is provided by a buoy.
The connecting frame is fixed on one side of the semi-floating aquaculture net cage, a connecting hinge is installed on a main leg of the jacket, and a rotating shaft of the connecting hinge is a horizontal shaft; the aquaculture net cage adopts buoyancy provided by the floating barrel to be connected with the rotation of the connecting hinge, so that the elevation of the net cage along with the change of water level is realized, the safety of the net cage structure is ensured under the action of rising, falling tide and wave, and the aquaculture net cage is very suitable for sea areas with large water level change.
The net of the semi-floating aquaculture net cage is provided with a prestressed cable and a net, the net is arranged on the prestressed cable, the prestressed cable is connected with a net cage truss horizontal rod of the semi-floating aquaculture net cage, the lowest end of the net is provided with a plurality of sinkers, the surface of the net is ensured to be tensioned through the prestressed cable on the net and the sinkers at the bottom of the net, the net is prevented from being folded, and the whole body is shaped like a semi-ellipsoid with an upward opening. The prestressed cable is a high-density fiber cable or a steel strand wrapped with an anticorrosion layer, and the netting is of a double-layer design and is made of an ultrahigh molecular polyethylene material; the mesh number of the netting can be determined according to the specific culture requirement. The aquaculture net cage can be divided into a plurality of small aquaculture spaces by adding the prestressed cables according to the requirements of different stages of aquaculture.
The side surface of the frame of the aquaculture net cage is provided with a berthing fender and a net cage platform railing so as to berth a ship, and operation and maintenance personnel can step on the net cage platform after berthing the ship, so that the operation of putting fry, feeding and raising, cleaning netting and catching adult fishes can be carried out; the connecting frame is provided with a ladder, and a fan operation and maintenance worker can climb up from the net cage frame and climb up to the fan foundation through the ladder.
The aquaculture net cage is provided with an automatic feeding system, an automatic net washing machine, a fish collecting pump, a fish catching device and a real-time monitoring system by means of a station power supply with reduced voltage of electric energy generated by the power generation of an offshore fan, so that intelligent and automatic aquaculture is realized; and the voltage of the wading culture equipment is reduced to be lower than the safe voltage, so that the safety of operation and maintenance personnel and fishes is ensured, and the intelligent culture requirement is met.
The floating aquaculture net cage, the offshore wind turbine jacket foundation structure, the cultured fishes, phytoplankton, benthos, sea mud and the like form a new marine ecosystem, so that marine resources are fully utilized, and the influence and harm of offshore wind power construction on sea area environment and resources are reduced to a certain extent.
The utility model has the advantages that:
1. the offshore wind turbine foundation and the marine ranching culture net cage are jointly surveyed, designed, constructed, operated and maintained, so that the construction cost is reduced, and the social benefit and the economic benefit of engineering are improved;
2. the offshore wind turbine jacket foundation is used as a marine ranch culture net cage, so that the stability of the culture net cage in a marine environment is improved, and the design difficulty of the culture net cage is reduced;
3. the culture net cage is connected with the foundation of the offshore wind turbine jacket to form a movable hinge structure, and the culture net cage adopts a mode of combining a buoy and a truss, so that the elevation of the net cage is lifted along with the change of the water level, the culture space is relatively stable, and the culture net cage is very suitable for sea areas with large water level change;
4. different from the common open type anchoring system arrangement of the deep sea aquaculture net cage, the anchor chain is arranged on one side of the aquaculture net cage, and the fender is arranged on the side of the net cage without the anchor chain, so that the ship can conveniently stop;
5. the net cage adopts a rigid-flexible combined fixing mode of half-hinge and half-anchoring, and has good hydrodynamic motion performance in a wave environment;
6. the introduction of the marine ranch is beneficial to recovering the damage to the marine ecosystem of the surrounding sea area caused by the construction and later operation of the offshore wind farm, the cooperative development of the offshore wind power and the marine ranch is realized, and the utilization of sea area resources is improved;
7. the floating aquaculture net cage has the advantages that the aquaculture equipment such as automatic feeding equipment, a fish collecting pump, a fish driving device and a real-time monitoring system can directly utilize the station power supply generated by the offshore wind turbine and subjected to voltage reduction, so that the safety of aquaculture personnel is ensured, power supply equipment does not need to be constructed independently, and the aquaculture efficiency is improved.
Drawings
Fig. 1 is an overall schematic diagram of an embodiment of the present invention;
fig. 2 is a top view of an embodiment of the present invention;
FIG. 3 is a front view of the aquaculture net cage and the anchor chain according to the embodiment of the present invention;
fig. 4-1 and 4-2 are top and side views, respectively, of a spar in accordance with an embodiment of the present invention.
In the figure: the offshore wind turbine jacket foundation steel pipe pile comprises an offshore wind turbine jacket foundation steel pipe pile structure 1, a jacket main body structure 2, a main leg 3, a connecting hinge 4, a connecting rod 5, a reinforcing rod 6, a net cage truss horizontal rod 7, a net cage truss vertical rod 8, a net cage truss inclined strut 9, a buoy 10, a buoy connecting lug plate 11, a berthing fender 12, a net cage platform railing 13, a net cage platform inclined ladder 14, a prestress cable 15, a net jacket 16, a sinker 17, an anchor chain 18 and an anchor 19.
The specific implementation mode is as follows:
to further illustrate the contents, features and functions of the present invention, an embodiment is described below with reference to the accompanying drawings.
As shown in fig. 1, the offshore wind turbine jacket foundation is mainly formed by an offshore wind turbine jacket foundation steel pipe pile structure 1 and a jacket main structure 2, and the jacket main structure is a space frame structure composed of main legs, horizontal braces and inclined braces, and has high rigidity and high strength. The jacket main body structure 2 and the steel pipe pile structure 1 are connected through high-strength grouting, so that the fan foundation structure is fixed on the seabed. The jacket main body structure can be provided with necessary auxiliary facilities such as a ladder stand, a cable protection pipe and the like according to requirements, and the jacket main body structure is used for operation and maintenance of the offshore wind turbine in construction and later periods.
The utility model provides a pair of utilize half floating aquaculture net case of offshore wind power jacket foundation structure, it is arranged outside one side of jacket major structure 2, and is articulated through two main legs 3 with this side of jacket major structure 2, depends on the side at jacket major structure 2.
As shown in fig. 2, the semi-floating aquaculture net cage mainly comprises a net cage truss horizontal rod 7, a net cage truss vertical rod 8 and a net cage truss inclined strut 9 to form a frame system of the net cage, the horizontal rod 7 forms an upper rectangular frame and a lower rectangular frame, the vertical rod 8 is connected between the horizontal rods of the two rectangular frames, and a buoy 10 is arranged in the upper rectangular frame to provide buoyancy to jointly form the floating aquaculture net cage. The floating aquaculture net cage frame system is in the fixed connection frame of this side towards jacket major structure 2, the link includes many connecting rods 5 with the matching of interval between net cage frame system and the main leg 3, and the interval between two connecting rods 5 in the outermost side matches with the interval between two main legs 3, connects stiffener 6 between the connecting rod 5 and strengthens the structure. The connecting frame is hinged with the main leg 3 through a connecting hinge 4, and a rotating shaft of the connecting hinge 4 is a horizontal shaft.
The connecting hinges 4 are welded on the main legs 3, the connecting rods 5 are installed on the connecting hinges 4, the connecting rods 5 can rotate around the main shafts of the connecting hinges 4, the lifting of the height of the net cage along with the change of the water level under the condition of the change of the water level is realized, and the water level adjusting device is suitable for sea areas with large water level changes; an anchor chain 18 is arranged on the vertical rod 8 of the net cage truss on one side of the aquaculture net cage, and is matched with an anchorage 19 for use, so that the effect of fixing the aquaculture net cage is achieved.
The net cage platform inclined ladder 14 is arranged on the connecting rod 5, so that operation and maintenance personnel can conveniently climb onto a fan jacket foundation from the top of the net cage, and can climb onto a fan by means of structures such as a ladder stand, a platform and the like preset on the jacket foundation.
As shown in fig. 4-1 and 4-2, connecting lug plates 11 are arranged on both sides of the buoy 10, and the buoy 10 is mounted on the horizontal rod 7 of the net cage truss by bolts through the lug plates 11. The aquaculture net cage is provided with a plurality of pontoons 10, a plurality of pontoons 10 are along the arrangement space that the horizontal bar 7 formed is the top of permutation installation at the frame system. The buoyancy provided by the buoys is matched with the aquaculture net cage, so that the aquaculture net cage floats on the water surface.
As shown in figure 3, a prestressed cable 15 is arranged at a proper position of a net cage truss horizontal rod 7 of the floating aquaculture net cage, a net 16 is arranged on the prestressed cable 15, and a sinker 17 is arranged at the bottom of the net to ensure that the net is in a tensioned state.
The utility model discloses a construction method of half floating aquaculture net case as follows:
(1) manufacturing an offshore wind turbine foundation: firstly, the manufacturing of the offshore wind turbine jacket foundation steel pipe pile body structure 1 and the jacket main body structure 2 is completed in a building base. The manufacture of the jacket body structure 2 includes the necessary boat landing facilities, ladders, platforms and other necessary ancillary structures that are mounted on the jacket body structure 2. The main leg 3 is pre-welded with a hinge 4.
(2) Manufacturing the aquaculture net cage: according to the culture requirements, a culture net cage frame with a proper size is constructed, the sizes of the net cage truss horizontal rod 7, the net cage truss vertical rod 8 and the net cage truss inclined strut 9 are reasonably designed, and the floating barrel 10 is fixed on the net cage structure through the floating barrel connecting lug plate 11. A prestressed cable 15 is arranged at a proper position of a horizontal rod 7 of the net cage truss, a net 16 is arranged on the prestressed cable 15, and a sinker 17 is arranged at the bottom of the net. Mooring fenders 12 are arranged on truss vertical rods 8 on two sides of the net cage, and net cage platform railings 13 are arranged. And an anchor chain 18 and an anchor block 19 are arranged on the net cage truss vertical rod 8 on the other side of the aquaculture net cage.
(3) Manufacturing a connecting rod piece of the aquaculture net cage and the fan foundation: the connecting rod 5 is manufactured in the factory and the connecting rod 5 is reinforced with the reinforcing rod 6. A cage platform inclined ladder 14 is arranged on the connecting rod 5.
(4) After the prefabrication of a factory is completed, the integral structure of the offshore wind turbine jacket foundation, the aquaculture net cage and anchor chain structure, the connecting rod piece and the inclined ladder structure are shipped to a marine installation site, the installation mode of a pile-first method or a pile-last method is adopted according to specific conditions, the offshore wind turbine jacket foundation structure is installed firstly, then the anchoring operation is carried out, the upper end of the anchor chain is connected with a cable guide hole of the aquaculture net cage, the aquaculture net cage structure floats on the sea surface, and finally the connecting rod 5 and the connecting hinge 4 are connected together in a field welding or bolt connection mode to form the integral structure.
The above embodiments are merely preferred technical solutions of the present invention, and it should be understood by those skilled in the art that modifications or substitutions of structural types or technical solutions in the embodiments can be made without departing from the principles and essential aspects of the present invention, and all of them should be covered within the protection scope of the present invention.
Claims (5)
1. A semi-floating aquaculture net cage utilizing a offshore wind power jacket foundation structure is characterized in that the aquaculture net cage utilizes an offshore wind power jacket foundation structure as a carrier, the aquaculture net cage is located on one side of the offshore wind power jacket foundation structure, a connecting frame is fixedly arranged on one side of a frame of the aquaculture net cage and is hinged with a main leg of a jacket through the connecting frame, the aquaculture net cage is provided with a device for providing buoyancy, the aquaculture net cage can float on the sea surface, and the aquaculture net cage is provided with an anchor chain and an anchor to jointly form the semi-floating aquaculture net cage.
2. The semi-floating aquaculture net cage using offshore wind power jacket foundation structure of claim 1, wherein said aquaculture net cage is mainly formed by net cage truss horizontal rods, net cage truss vertical rods, and net cage truss diagonal braces to form the frame of the net cage, and the buoys provide buoyancy.
3. The semi-floating aquaculture net cage using offshore wind power jacket foundation structure according to claim 1, wherein said connecting frame is fixed on one side of said semi-floating aquaculture net cage, a connecting hinge is installed on the main leg of the jacket, and the rotating shaft of said connecting hinge is a horizontal shaft; the aquaculture net cage is connected with the connecting hinge in a rotating mode through buoyancy provided by the floating barrel, the elevation of the net cage along with the change of water level is achieved, and the safety of the net cage structure is guaranteed under the action of rising and falling tide and waves.
4. The semi-floating aquaculture net cage using offshore wind power jacket infrastructure according to claim 1, wherein the net of the semi-floating aquaculture net cage is provided with a pre-stressed cable and a net; the netting is arranged on the prestressed cable, and the lowermost end of the netting is provided with a plurality of sinkers; through the prestressing force cable on the netting and the sinker of netting bottom, guarantee the tensioning of netting surface, prevent to take place to fold.
5. The semi-floating aquaculture net cage using offshore wind power jacket foundation structure according to claim 1, wherein the side of the frame of the aquaculture net cage is provided with a berthing fender and a net cage platform railing to berth a ship, and an operation and maintenance worker can step on the net cage platform after berthing the ship, so that the operation and maintenance worker can carry out the work of putting fry, feeding and raising, cleaning netting and catching adult fishes; a ladder is arranged on the connecting frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121239547.9U CN217487301U (en) | 2021-06-03 | 2021-06-03 | Semi-floating type cultivation net cage utilizing offshore wind power jacket foundation structure |
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| CN202121239547.9U CN217487301U (en) | 2021-06-03 | 2021-06-03 | Semi-floating type cultivation net cage utilizing offshore wind power jacket foundation structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115428757A (en) * | 2021-06-03 | 2022-12-06 | 中国电建集团华东勘测设计研究院有限公司 | Semi-floating type aquaculture net cage utilizing offshore wind power jacket foundation structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115428757A (en) * | 2021-06-03 | 2022-12-06 | 中国电建集团华东勘测设计研究院有限公司 | Semi-floating type aquaculture net cage utilizing offshore wind power jacket foundation structure |
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