Mariculture net cage with dissipation wave-damping resistance function
By designing aquaculture cages that dissipate wave energy and impede current flow, and utilizing hollow wave-dissipating and current-impeding spheres to convert wave and current energy, the deformation of traditional cages and fish growth problems under harsh deep-sea conditions have been solved, achieving a stable growth environment and efficient dissipation of current energy.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- JIANGSU UNIV OF SCI & TECH
- Filing Date
- 2023-07-05
- Publication Date
- 2026-04-17
AI Technical Summary
Traditional aquaculture cages are unable to withstand the impact of wind, waves, and currents in the harsh conditions of the deep sea, leading to deformation, capsizing, and poor fish growth. Existing technologies cannot effectively reduce the impact and damage of waves and currents on the cages.
The aquaculture cage designed using the principle of dissipation, wave dissipation, and flow obstruction includes a floating structure, a wave-dissipating structure, and a flow obstruction structure. The wave-dissipating spheres and flow obstruction spheres with hollow design convert the energy of waves and ocean currents into mechanical energy, reducing the impact on the cage.
It effectively reduces the impact of waves and currents on the net cages, provides a stable growth environment, avoids damage to the net cages and fish deaths, adapts to complex sea conditions, and has good wave-damping and current-resistance performance and economic efficiency.
Smart Images

Figure CN116649265B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to marine aquaculture cage technology, specifically to an aquaculture cage with dissipation, wave-damping, and flow-blocking functions. Background Technology
[0002] The harsh environment of the deep sea makes traditional aquaculture cages ill-suited to withstand the severe sea conditions. When subjected to significant environmental loads such as strong winds, waves, and currents, their aquaculture capacity and lifespan decrease dramatically. Traditional aquaculture cages are heavily influenced by waves and currents, which can cause deformation or even capsizing, leading to fish mortality and escape. Furthermore, strong waves increase seawater velocity. Numerous studies have shown that the current velocity in the sea area where the aquaculture cages are located, as well as the current velocity within the cages, are key factors determining the quality of farmed fish. When seawater currents are strong, fish in traditional aquaculture cages must expend a large amount of energy to maintain their stability, ultimately leading to excessive energy expenditure, inability to feed properly, and thus hindering growth. Therefore, to ensure the safety and smooth operation of deep-sea cage aquaculture, it is urgent to develop new types of aquaculture cages specifically designed for the harsh sea conditions of deep-sea aquaculture areas. Summary of the Invention
[0003] Purpose of the invention: In order to solve the problems existing in the prior art, the present invention provides a new type of aquaculture cage with dissipation, wave elimination and flow obstruction functions.
[0004] Technical solution: The present invention provides an aquaculture cage with dissipation, wave-damping, and flow-blocking functions, comprising a floating structure, a wave-damping structure, a flow-blocking structure, and a net bottom. The floating structure includes multiple floats and several hollow cylindrical tubes, which surround to form a cylindrical net cage structure. Adjacent cylindrical net cages are connected by floats to form an annular structure. The wave-damping structure includes multiple cylindrical net cages and several wave-damping balls that can move freely inside the cylindrical net cages. The flow-blocking structure is an annular structure, including a flow-blocking net and hollow flow-blocking balls placed at the nodes of the net. The lower end of the flow-blocking structure is fixedly connected to the net bottom, and the upper end is fixedly connected to the cylindrical net cage.
[0005] The floating structure provides buoyancy for the entire aquaculture cage structure; the wave-damping structure breaks up waves and dissipates energy; and the current-blocking structure dissipates and breaks up ocean currents. Both the wave-damping and current-blocking structures feature a hollow design. Through wave-damping and energy dissipation principles, the impact and damage of incident waves and currents on the aquaculture cages can be effectively reduced. Furthermore, this aquaculture cage boasts excellent wave-damping and current-blocking performance, is easy to transport, quick to install and disassemble, requires minimal construction effort, and can cope with complex and changing sea conditions.
[0006] Preferably, the float is a cylindrical structure, positioned at the corner of the aquaculture cage, with cylindrical net cages fixed to both ends and connected to them. The cylindrical structure of the float provides buoyancy to the entire aquaculture cage and also serves the purpose of wave reflection and damping.
[0007] Preferably, the pontoon is an arc-shaped cylindrical structure.
[0008] Preferably, the hollow tubes are cylindrical in shape, and the hollow tubes of the cylindrical net cage are fixedly connected to form a cylindrical mesh structure. The cylindrical net cage can provide buoyancy for the aquaculture cage and break up incident waves. The ring structure formed by the connection of the floats and the cylindrical net cage provides structural support for the entire aquaculture cage.
[0009] Preferably, the flow-blocking netting is made of wear-resistant nylon rope, which will not harm the farmed fish and can increase the overall strength of the aquaculture cage.
[0010] Preferably, the hollowed-out flow-blocking ball includes a hollowed-out shell and a flow-blocking ball, with the flow-blocking ball placed inside the hollowed-out shell and able to move freely within the hollowed-out shell with the ocean current; thereby converting the energy of the incident ocean current into the mechanical energy that causes the flow-blocking ball to move.
[0011] Arranging perforated wave-damping spheres at the nodes of the flow-blocking mesh can further improve the overall strength of the flow-blocking mesh.
[0012] Preferably, when the ocean current acts on the flow-blocking structure, it will cause the flow-blocking ball inside the hollow spherical shell to move with the current, thereby achieving the purpose of dissipating the energy of the incident ocean current.
[0013] Preferably, the hollow spherical shell has a preset weight to provide counterweight for the entire aquaculture cage.
[0014] Preferably, the wave-damping structure achieves wave breaking and energy dissipation, specifically as follows:
[0015] When waves act on the wave-damping structure, the outer perimeter of the cylindrical wire mesh structure first breaks the waves. The broken waves then pass through the cylindrical wire mesh and act on the wave-damping spheres inside the cylindrical wire mesh. The movement of the wave-damping spheres dissipates the energy of the incident waves, achieving the purpose of further wave damming.
[0016] Preferably, the flow-blocking structure achieves energy dissipation and breakup of ocean currents, specifically as follows:
[0017] When the ocean current acts on the flow-blocking structure, the hollow flow-blocking ball dissipates the energy of the incident ocean current. At the same time, the ocean current passes through the flow-blocking mesh, causing the incident ocean current to break up, further reducing the impact of the incident ocean current on the aquaculture cage.
[0018] Beneficial effects: Compared with the prior art, the significant technical effects of the present invention are as follows:
[0019] (1) The present invention adopts the dissipative wave elimination principle to convert the incident wave energy and ocean current energy into mechanical energy that makes the ball move, thereby effectively reducing the incident wave and ocean current energy, providing a safe and stable living environment for the fish in the aquaculture cage, and avoiding damage to the aquaculture cage and fish death and escape.
[0020] (2) The main body of the wave-damping structure and the flow-blocking structure of the present invention adopts a hollow design, which effectively reduces the force of waves and ocean currents on the aquaculture cages compared with traditional aquaculture cages, thereby avoiding the deformation or even overturning of the cages caused by waves and ocean currents.
[0021] (3) The aquaculture cage of the present invention mainly adopts the dissipative wave-damping and flow-blocking method, which has a good wave-damping and flow-blocking effect on random large waves, unstable currents and extreme wave conditions, and has good adaptability to various complex sea conditions.
[0022] In summary, this invention has the advantages of being flexible, having good wave-damping and flow-blocking performance, being applicable to a wide range of waters, being economical, and being suitable for complex sea conditions. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of one embodiment of the present invention;
[0024] Figure 2 This is a schematic structural view of the pontoon in one embodiment of the present invention;
[0025] Figure 3 This is a cross-sectional view of a cylindrical wire mesh cage in one embodiment of the present invention;
[0026] Figure 4 This is a schematic diagram of the wave-damping structure in one embodiment of the present invention;
[0027] Figure 5 This is a schematic diagram of the flow-blocking structure in one embodiment of the present invention;
[0028] Figure 6 This is a schematic diagram of the structure of the hollowed-out flow-blocking ball in one embodiment of the present invention;
[0029] Among them, 11 is a pontoon, 12 is a hollow round tube, 21 is a wave-damping ball, 22 is a cylindrical net cage, 31 is a flow-blocking net, 32 is a hollow flow-blocking ball, 321 is a hollow spherical shell, and 322 is a flow-blocking ball. Detailed Implementation
[0030] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.
[0031] like Figures 1 to 6As shown in the figure, an aquaculture cage with dissipation, wave-damping, and flow-blocking functions in this embodiment includes a floating structure, a wave-damping structure, a flow-blocking structure, and a net bottom. The floating structure includes floats 11 and hollow cylindrical tubes 12. The floats 11 are arranged at the corners of the aquaculture cage to provide buoyancy for the entire cage structure. Multiple hollow cylindrical tubes 12 surround to form a cylindrical cage 22 structure. The wave-damping structure includes a cylindrical cage 22 composed of hollow cylindrical tubes 12 and wave-damping balls 21. Several wave-damping balls 21 are placed inside the cylindrical cage and can move freely with the waves within it. When waves act on the wave-damping structure, the outer cylindrical cage structure first breaks the waves. The broken waves pass through the cylindrical cage and act on the wave-damping balls 21 inside. The movement of the wave-damping balls 21 dissipates the energy of the incident waves, achieving further wave-damping. The flow-blocking structure includes a flow-blocking net 31 and perforated flow-blocking balls 32 placed at the nodes of the flow-blocking net. The perforated flow-blocking ball 32 includes a perforated shell 321 and a flow-blocking ball 322. The flow-blocking ball 322 is placed inside the perforated shell 321 and can move freely within the shell 321 with the ocean current. When the ocean current acts on the flow-blocking structure, it will cause the flow-blocking ball 322 inside the shell 321 to move with the current, thereby achieving the purpose of dissipating the energy of the incident ocean current. The ocean current passes through the netting 31, causing the incident ocean current to break up and further reducing the impact of the incident ocean current on the aquaculture cage.
[0032] Adjacent cylindrical net cages are connected by floats to form a ring structure. The flow-blocking structure is also a ring structure. The lower end of the flow-blocking structure is fixedly connected to the bottom of the net, and the upper end is fixedly connected to the cylindrical net cage.
[0033] This invention relates to aquaculture cages that utilize wave-breaking and energy dissipation principles to effectively reduce the impact and damage caused by incident waves and ocean currents. Furthermore, the device boasts excellent wave-damping and current-resisting performance, is easy to transport, quick to install and disassemble, requires minimal construction effort, and can cope with complex and ever-changing sea conditions.
[0034] like Figures 2 to 3 As shown, in this embodiment, both the float 11 and the hollow cylindrical tube 12 of the floating structure are cylindrical structures, which can provide buoyancy for the entire aquaculture cage and also achieve the purpose of wave reflection and damping in a cylindrical structure. Furthermore, the float 11 is arc-shaped and placed at the corner of the aquaculture cage, with both ends fixed to a cylindrical net cage formed by multiple hollow cylindrical tubes 12, providing structural support for the entire aquaculture cage. The multiple hollow cylindrical tubes 12 forming the cylindrical net cage can both provide buoyancy for the aquaculture cage and break up incident waves.
[0035] like Figures 3 to 4 As shown, in this embodiment, a number of wave-dissipating balls 21 are placed inside the cylindrical net cage 22. The wave-dissipating balls 21 can move freely inside the net cage, converting wave energy into mechanical energy that enables the wave-dissipating balls 21 to move freely, thereby dissipating the energy of the remaining waves passing through the net cage.
[0036] like Figure 1 and Figure 5 As shown, in this embodiment, the flow-blocking structure is placed below the wave-damping structure. The flow-blocking net 31 is made of wear-resistant nylon rope, which will not harm the farmed fish and can increase the overall strength of the aquaculture cage. In addition, hollow flow-blocking balls 32 are arranged at the nodes of the flow-blocking net to further improve the overall strength of the net.
[0037] like Figure 6 As shown, the hollow spherical shell 321 in this embodiment has a certain weight, thereby providing counterweight for the entire aquaculture cage. Each hollow spherical shell 321 contains a flow-damping ball 322 that can move freely with the current, thereby converting the energy of the incident ocean current into the mechanical energy that causes the wave-damping ball to move.
[0038] In summary, the present invention provides a novel aquaculture cage with dissipative wave-damping and flow-blocking functions, featuring a hollow structure design in its main body. The hollow structure breaks up waves and currents, minimizing their impact on the cage structure. Simultaneously, the wave-damping and flow-blocking spheres within the cage structure convert wave and current energy into mechanical energy, thereby reducing the height of incident waves and the velocity of water flow. This provides a stable growth environment for the farmed fish within the cage, preventing cage damage and fish mortality or escape.
[0039] The above description is merely a preferred embodiment of a novel aquaculture cage with dissipation, wave-damping, and flow-blocking functions disclosed in this invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the inventive concept of this invention, and these modifications and improvements all fall within the scope of protection of this invention.
Claims
1. A net cage for aquaculture having a dissipative wave-damping resistance function, characterized in that, The system includes a floating structure, a wave-damping structure, a current-blocking structure, and a net bottom. The floating structure comprises multiple buoys and several hollow cylindrical tubes, which encircle each other to form a cylindrical net cage structure. Adjacent cylindrical net cages are connected by buoys to form a ring structure. The wave-damping structure includes multiple cylindrical net cages and several wave-damping spheres that can move freely within the cages. The current-blocking structure is a ring structure, including a current-blocking net and perforated current-blocking spheres placed at the net's nodes. Each perforated current-blocking sphere consists of a perforated shell and a sphere. The sphere is placed inside the shell and can move freely with the current. When the current acts on the current-blocking structure, it causes the spheres inside the shell to move with the current, thus dissipating the energy of the incident current. The lower end of the current-blocking structure is fixedly connected to the net bottom, and the upper end is fixedly connected to the cylindrical net cages. The floating structure provides buoyancy for the entire aquaculture cage structure; the wave-damping structure breaks up waves and dissipates energy. When waves act on the wave-damping structure, the outer perimeter of the cylindrical cage structure first breaks up the waves. The broken waves pass through the cylindrical cage and act on the wave-damping spheres inside the cage. The movement of the wave-damping spheres dissipates the energy of the incident waves, achieving further wave dissipation; the current-blocking structure dissipates and breaks up ocean current energy.
2. The net cage with dissipative wave-breaking resistance function according to claim 1, characterized in that, The pontoon is a cylindrical structure, placed at the corner of the aquaculture net cage, with cylindrical net cages fixed to both ends and connected to the cylindrical net cages.
3. The net cage with dissipative wave-breaking resistance function according to claim 1, characterized in that, The pontoon is an arc-shaped cylindrical structure.
4. The net cage with dissipative wave-breaking resistance function according to claim 1, characterized in that, The hollow tubes are cylindrical in shape, and the hollow tubes of the cylindrical mesh cage are fixedly connected to form a cylindrical mesh structure.
5. The net cage with dissipative wave-breaking resistance function according to claim 1, characterized in that, The flow-blocking netting is made of wear-resistant nylon rope.
6. The net cage with dissipative wave-breaking resistance function according to claim 1, characterized in that, The hollow spherical shell has a preset weight to provide counterweight for the entire aquaculture cage.
7. The net cage with dissipative wave-breaking resistance function according to claim 1, characterized in that, The flow-blocking structure achieves energy dissipation and breakup of ocean currents, specifically as follows: When the ocean current acts on the flow-blocking structure, the hollow flow-blocking ball dissipates the energy of the incident ocean current. At the same time, the ocean current passes through the flow-blocking mesh, causing the incident ocean current to break up, further reducing the impact of the incident ocean current on the aquaculture cage.
Citation Information
Patent Citations
Dam flood control structure and flood control dam
CN211621452U
Marine shrimp culture net cage system
CN218527287U
Float having wave-breaking function and floating structure therewith
JP1986250210A