CN215912950U - Settlable deep sea aquaculture net cage unit and combination - Google Patents
Settlable deep sea aquaculture net cage unit and combination Download PDFInfo
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- CN215912950U CN215912950U CN202122428032.XU CN202122428032U CN215912950U CN 215912950 U CN215912950 U CN 215912950U CN 202122428032 U CN202122428032 U CN 202122428032U CN 215912950 U CN215912950 U CN 215912950U
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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 utility model relates to a settleable deep sea aquaculture net cage unit and a combination thereof, belonging to the field of aquaculture equipment, wherein the aquaculture net cage unit comprises a frame, a netting, an air bag inflation and deflation device and an anchoring system; the net cage unit symmetrically arranges the air bags on two opposite sides of the upper frame, and the air charging and discharging ports of the two air charging and discharging air bags are opposite and are inclined upwards at the same time, so that the synchronism of air charging and discharging is ensured, and the net cage is prevented from being inclined. The net cage combination of the utility model has the advantages that the net cages are mutually connected, and the stability of the net cage combination is improved. The included angle between the bottom end of the connecting pipe between the third buoyancy pipe and the second buoyancy pipe and the vertical direction is 15 degrees, the included angle ensures that the netting is not rubbed by the connecting pipe and the second buoyancy pipe, and the risk that the netting is torn in ocean currents is reduced.
Description
Technical Field
The utility model belongs to the field of aquaculture equipment, and particularly relates to a settleable deep sea aquaculture net cage unit and a combination thereof.
Background
Nowadays, the environmental protection policy that 'Qingshan is Jinshan Yinshan' in China cannot be changed for a long time, a large number of cultivation net cages are dismantled in inland regions, shrimp ponds and fish ponds are backfilled and sealed, cultivation prohibition is carried out in many regions along the sea, and the traditional cultivation industry and fishery in inland and offshore in China inevitably moves to deep and distant sea to promote transformation and upgrading. According to the recommendation of 'Chinese resident dietary guidelines', the recommended daily intake of aquatic products by Chinese people is more than 40 g, the demand of aquaculture in China in 2027 years is expected to exceed 6500 ten thousand tons, and the demand of aquaculture in deep and open sea is 3000 ten thousand tons, and equipment of 15 billion cubic meters of aquaculture water is needed. Therefore, the market demand of the domestic deep and open sea cultivation equipment is very huge.
The culture net cage capable of sinking and floating can sink into the sea bottom when typhoon comes, so that wind waves are avoided, the risk that the culture net cage is torn by the wind waves is reduced, and the invasion of enteromorpha and red tide can be avoided. But the research of the ups and downs aquaculture net cage is numerous, but the up and down aquaculture net cage has a few successful applications in production practice, and the up and down operation of the current ups and downs deep sea net cage is easy to cause the inclination and even overturn of the net cage due to overlarge transverse movement. In addition, in the deep and open sea cage culture process, the netting is easy to rub the frame frequently, so that abrasion and tearing are generated, and huge economic loss is caused. Therefore, at present, the net cage which can be really applied to the deep and deep sea culture of the floating type does not form a scale.
Disclosure of Invention
The utility model aims to provide a deep sea aquaculture net cage unit capable of settling and a combination thereof, wherein the system can stably sink into the sea bottom through inflation and deflation of a lifting air bag before stormy waves come.
The utility model is realized by the following technical scheme:
a settleable deep sea aquaculture net cage unit comprises a frame, a net, an air bag inflation and deflation device and an anchoring system;
the frame comprises a bottom frame and an upper frame, the bottom frame is used for expanding the bottom end of the netting, the upper frame comprises a first buoyancy tube, a second buoyancy tube, a third buoyancy tube, a connecting tube, a transverse reinforcing tube and a lateral reinforcing tube, the first buoyancy tube is parallel to the second buoyancy tube, the middle of the first buoyancy tube is connected with the second buoyancy tube through the transverse reinforcing tube, the third buoyancy tube is positioned obliquely above the second buoyancy tube, the third buoyancy tube is connected with the second buoyancy tube through the connecting tube, the included angle between the bottom end of the connecting tube and the vertical direction is 15-60 degrees, the lateral reinforcing tube is connected with the first buoyancy tube and the third buoyancy tube, and the cross-sectional view of the upper frame is an obtuse triangle;
the netting is fixed inside the upper frame, namely the netting is far away from the second buoyancy tube, the lower end of the netting is fixed on the bottom frame, and the bottom frame is made of flexible materials;
the air bags are provided with fixed air bags and air inflation and deflation air bags, the air bags are symmetrically arranged on the upper frame, the fixed air bags are always in an inflated state to provide buoyancy for the whole aquaculture net cage unit, and the air inflation and deflation air bags change the buoyancy of the aquaculture net cage unit through inflation and deflation to realize the upward floating and the sinking of the aquaculture net cage unit; the inflation and deflation air bags are symmetrically arranged on two opposite sides of the upper frame, each side is provided with an even number of inflation and deflation air bags, the two inflation and deflation air bags are in a group, the air ports of the two inflation and deflation air bags in the group are oppositely arranged, the air ports are upwards inclined by 15-30 degrees so as to ensure that the air in the inflation and deflation air bags is completely discharged, and the inflation device is connected to the inflation and deflation air bags and can simultaneously inflate or deflate the inflation and deflation air bags;
the anchoring system comprises a drop anchor, a fixed anchor and a main cable, wherein the drop anchor is connected below the midpoint of the bottom of the netting, and the main cable is connected above and below the upper frame and is connected with the fixed anchor on the seabed.
Further, except for the air inflation and deflation air bags, the buoyancy generated by the aquaculture net cage unit is equal to the gravity, so that the aquaculture net cage unit can be in a suspended state; when the inflation and deflation air bags are inflated, the buoyancy generated by the whole aquaculture net cage unit is larger than the self gravity, and the aquaculture net cage unit floats out of the water surface.
Furthermore, the upper frame is provided with an air bag fixing point, so that accurate assembly on site is facilitated.
Further, the bottom of the netting is in a pan bottom shape.
The utility model also provides a plurality of aquaculture net cage unit combinations, wherein even number of aquaculture net cage units are divided into two rows which are distributed in parallel, and adjacent aquaculture net cage units are fixedly connected together.
According to the using method of the aquaculture net cage unit combination, the aquaculture net cage units are combined together according to the structure, the inflation and deflation devices can simultaneously inflate and deflate the inflation and deflation air bags on the two sides of the upper frame, the upper end opening of the net cover is fixed on the third buoyancy pipe of the upper frame, the cover net is fixed on the third buoyancy pipe, the lower end of the net cover is fixed on the bottom support, the bottom support is made of flexible HDPE materials, the bottom of the net cover is shaped like a pot bottom, the drop anchor is fixed at the bottom of the center of the bottom of the net cover, one end of the main cable is fixedly connected with the upper frame and is downwards fixed on the fixed anchor at the sea bottom, the adjacent aquaculture net cage units are fixedly connected together to form two rows of combinations, and the main cable is arranged around the combinations; the length direction of the combination is arranged in compliance with the direction of ocean current.
Compared with the prior art, the utility model has the beneficial effects that:
the net cage unit symmetrically arranges the air bags on two opposite sides of the upper frame, and the air charging and discharging ports of the two air charging and discharging air bags are opposite and are inclined upwards at the same time, so that the synchronism of air charging and discharging is ensured, and the net cage is prevented from being inclined. According to the net cage combination, the net cages are mutually connected, the main cables and the fixed anchors are arranged around the combination, so that the net cage combination is prevented from moving too much transversely, and the stability of the net cage combination is improved.
The included angle between the bottom end of the connecting pipe between the third buoyancy pipe and the second buoyancy pipe and the vertical direction is 15 degrees, the included angle ensures that the netting is not rubbed by the connecting pipe and the second buoyancy pipe, and the risk that the netting is abraded and torn by the net cage frame in the ocean current is reduced.
Drawings
FIG. 1 is a side view of an aquaculture cage unit;
FIG. 2 is a side view of the upper frame;
FIG. 3 is a schematic view of the installation of the inflatable bladder;
fig. 4 is a cultivation net cage unit combination.
1. The anti-shark net comprises an anti-shark net body, 2, a netting, 3, an upper frame, 4, a drop anchor, 5, an inflation pipe, 6, a bottom frame, 7, an inflation and deflation device, 8, a main cable, 9, a fixed anchor, 10, a first buoyancy pipe, 11, a second buoyancy pipe, 12, a third buoyancy pipe, 13, a connecting pipe, 14, a transverse reinforcing pipe, 15 and a lateral reinforcing pipe.
Detailed Description
The technical solution of the present invention is further explained by the following examples, but the scope of the present invention is not limited in any way by the examples.
Example 1
A deep sea culture cage unit capable of settling, as shown in figure 1, comprises a frame, a netting, an air bag inflation and deflation device and an anchoring system;
the frame comprises a bottom frame 6 and an upper frame 3, the bottom frame is made of stainless steel materials, antirust paint is coated on the surface of the bottom frame, the bottom frame is used for supporting the bottom end of the netting, the upper frame comprises a first buoyancy tube 10, a second buoyancy tube 11, a third buoyancy tube 12, a connecting tube 13, a transverse reinforcing tube 14 and a lateral reinforcing tube 15, the first buoyancy tube and the second buoyancy tube are parallel, the middle of the first buoyancy tube is connected with the second buoyancy tube through the transverse reinforcing tube, the third buoyancy tube is located obliquely above the second buoyancy tube, the third buoyancy tube is connected with the second buoyancy tube through the connecting tube, the included angle between the bottom end of the connecting tube and the vertical direction is 15 degrees, as shown in figure 4, when the netting is hung on the third buoyancy tube, the netting body is far away from the second buoyancy tube of the upper frame, and the netting is prevented from friction with the second buoyancy tube; the lateral reinforcing pipe is connected with the first buoyancy pipe and the third buoyancy pipe, and the sectional view of the upper frame is an obtuse triangle as shown in figure 2; the upper frame is provided with an air bag fixing point, so that the on-site accurate assembly is facilitated.
The netting is fixed in the upper frame, namely the netting 2 is far away from the second buoyancy tube, the lower end of the netting is fixed on the bottom frame, the bottom frame is made of HDPE materials, the bottom of the netting is in a pot bottom shape, the specification of the netting is 10m x 10m, and the specification of the netting is not suitable for being too large in convenience for operation.
The air bags are provided with fixed air bags and air inflation and deflation air bags, the specification of the fixed air bags is 60cm x 160cm, the number of the fixed air bags is 4, the number of the air inflation and deflation air bags is 4, two air inflation and deflation air bags are arranged on each side, the fixed air bags are horizontally fixed on the two symmetrical frames, and the fixed air bags are always in an air inflation state to provide buoyancy for the whole aquaculture net cage unit; the inflation and deflation air bags are arranged on two opposite sides of the upper frame, each side is provided with 2 inflation and deflation ports of 2 inflation and deflation air bags, the inflation and deflation ports are oppositely arranged and are inclined upwards by 15 degrees, as shown in figure 3, the gas in the inflation and deflation air bags can be conveniently and completely discharged during deflation, the inflation and deflation air bags change the buoyancy of the aquaculture net cage unit through inflation and deflation, and the upward floating and sinking of the aquaculture net cage unit are realized; the inflation device is connected to the inflation and deflation air bag and can inflate or deflate the inflation and deflation air bag at the same time; except for the air inflation and deflation air bags, the buoyancy generated by the aquaculture net cage unit is equal to the gravity, so that the aquaculture net cage unit can be in a suspended state; when the inflation and deflation air bags are inflated, the buoyancy generated by the whole aquaculture net cage unit is larger than the self gravity, and the aquaculture net cage unit floats out of the water surface.
The anchoring system comprises a drop anchor 4, a fixed anchor 9 and a main cable 8, wherein the drop anchor is connected below the midpoint of the bottom of the netting, the upper end of the main cable is fixedly connected with the upper frame, and the lower end of the main cable is connected with the fixed anchor 9 on the seabed.
In the practical production application, in order to prevent the net cages from inclining when floating upwards and sinking, even number of aquaculture net cage units are divided into two rows which are distributed in parallel, and the adjacent aquaculture net cage units are fixedly connected together. In the embodiment, 10 net cages are combined into two rows, and each row is provided with 5 net cages. The upper frames of the adjacent net cages are fixedly connected together.
The upper end opening of the netting is fixed on a third buoyancy pipe of the upper frame, a cover net is fixed on the third buoyancy pipe, the lower end of the netting is fixed on a bottom support which is made of flexible HDPE material, the bottom of the netting is in a pot bottom shape, a drop anchor is fixed at the bottom of the center of the bottom of the netting, the upper end of a main cable is fixedly connected with the upper frame and is downwards fixed on a fixed anchor at the seabed, adjacent net cage units are fixedly connected together to form two rows of combinations, and the main cable is arranged around the combinations; the length direction of the combination is arranged in compliance with the direction of ocean current. The combination is provided with the shark-proof net 1 all around, and the distance of the drop anchor 4 to the seabed is 5 meters, that is the net cage combination can sink 5 meters underwater. An inflation pipe and a feeding pipe are arranged in each aquaculture net cage.
When the combination is used for cultivation in deep sea, before a typhoon comes, the air compressor is started, the air inflation and deflation air bags are deflated, the buoyancy of the whole combination is reduced, the net cage combination sinks under the action of gravity and the drop anchor, when the net cage combination sinks to the position 5 meters below the water surface, the drop anchor touches the seabed net cage combination to stop sinking, and the fixed anchors of the main cable fix the net cage combination at the periphery. Because the upper end of the net cage is provided with the cover net, the cultured organisms in the net cage cannot escape from the net cage, and the cultured organisms stretch into the cultured net cage through the feeding pipe on the sea surface, so that the cultured organisms are convenient to feed during the sinking period. After the typhoon, the air charging device is started simultaneously to synchronously charge the air charging and discharging air bags, the buoyancy of the net cage combination is increased at the moment, and the net cage combination floats to the water surface.
The equipment submerges below 10 meters of sea surface in a full submerging mode, hovers continuously for more than 90 days, achieves stable submerging and floating, is stressed uniformly, does not have large inclination on a frame and a netting, and has inclination not exceeding 15 degrees; the equipment can submerge below 5 meters in 30 minutes and submerge below 10 meters in 60 minutes; the wind resistance grade reaches over 17 grades; the wave height is 5-7 m; the flow resistance is more than 1 m/s; the service life of the equipment structure and the netting is more than 10 years, and the antifouling period of the netting is more than 6 months.
Claims (3)
1. A settleable deep sea aquaculture net cage unit is characterized in that the aquaculture net cage unit comprises a frame, a net, an air bag inflation and deflation device and an anchoring system;
the frame comprises a bottom frame and an upper frame, the bottom frame is used for expanding the bottom end of the netting, the upper frame comprises a first buoyancy tube, a second buoyancy tube, a third buoyancy tube, a connecting tube, a transverse reinforcing tube and a lateral reinforcing tube, the first buoyancy tube and the second buoyancy tube are parallel, the middle of the first buoyancy tube and the second buoyancy tube are connected through the transverse reinforcing tube, the third buoyancy tube is positioned obliquely above the second buoyancy tube, the third buoyancy tube and the second buoyancy tube are connected through the connecting tube, the included angle between the bottom end of the connecting tube and the vertical direction is 15-60 degrees, the lateral reinforcing tube is connected with the first buoyancy tube and the third buoyancy tube, and the cross-sectional view of the upper frame is an obtuse triangle;
the netting is fixed inside the upper frame, namely the netting is far away from the second buoyancy tube, the lower end of the netting is fixed on the bottom frame, and the bottom frame is made of flexible materials;
the air bags are provided with fixed air bags and air inflation and deflation air bags, the air bags are symmetrically arranged on the upper frame, the fixed air bags are always in an inflated state to provide buoyancy for the whole aquaculture net cage unit, and the air inflation and deflation air bags change the buoyancy of the aquaculture net cage unit through inflation and deflation to realize the upward floating and the sinking of the aquaculture net cage unit; the inflation and deflation air bags are symmetrically arranged on two opposite sides of the upper frame, each side is provided with an even number of inflation and deflation air bags, the two inflation and deflation air bags are in a group, the air ports of the two inflation and deflation air bags in the group are oppositely arranged, the air ports are upwards inclined by 15-30 degrees so as to ensure that the air in the inflation and deflation air bags is completely discharged, and the inflation device is connected to the inflation and deflation air bags and can simultaneously inflate or deflate the inflation and deflation air bags;
the anchoring system comprises a drop anchor, a fixed anchor and a main cable, wherein the drop anchor is connected below the midpoint of the bottom of the netting, and the main cable is connected above and below the upper frame and is connected with the fixed anchor on the seabed;
the upper frame is provided with an air bag fixing point, so that the on-site accurate assembly is facilitated;
the bottom of the netting is in a pan bottom shape.
2. The net cage unit capable of settling deep sea aquaculture according to claim 1, wherein buoyancy generated by the net cage unit except for the air inflation and deflation air bags is equal to gravity, so that the net cage unit can be in a suspended state; when the inflation and deflation air bags are inflated, the buoyancy generated by the whole aquaculture net cage unit is larger than the self gravity, and the aquaculture net cage unit floats out of the water surface.
3. A combination of a plurality of aquaculture net cage units as claimed in any one of claims 1 or 2, wherein an even number of aquaculture net cage units in said combination are divided into two parallel rows, and adjacent aquaculture net cage units are fixedly connected together.
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| CN202122428032.XU CN215912950U (en) | 2021-10-09 | 2021-10-09 | Settlable deep sea aquaculture net cage unit and combination |
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| CN202122428032.XU CN215912950U (en) | 2021-10-09 | 2021-10-09 | Settlable deep sea aquaculture net cage unit and combination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403072A (en) * | 2022-03-07 | 2022-04-29 | 青岛黄海学院 | Deep sea cultivation box, deep sea cultivation device and working method of deep sea cultivation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403072A (en) * | 2022-03-07 | 2022-04-29 | 青岛黄海学院 | Deep sea cultivation box, deep sea cultivation device and working method of deep sea cultivation device |
| CN114403072B (en) * | 2022-03-07 | 2022-11-01 | 青岛黄海学院 | Deep sea cultivation box, deep sea cultivation device and working method of deep sea cultivation device |
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