CN113179983B - Marine net cage prawn breeding system - Google Patents
Marine net cage prawn breeding system Download PDFInfo
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- CN113179983B CN113179983B CN202110558262.XA CN202110558262A CN113179983B CN 113179983 B CN113179983 B CN 113179983B CN 202110558262 A CN202110558262 A CN 202110558262A CN 113179983 B CN113179983 B CN 113179983B
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- net
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- net cage
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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
- A01K61/50—Culture of aquatic animals of shellfish
- A01K61/59—Culture of aquatic animals of shellfish of crustaceans, e.g. lobsters or shrimps
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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 sea net cage prawn breeding system, which belongs to the field of deep sea breeding and comprises a frame, net cages, flow-resisting net sheets, cage mooring ropes and breeding cages, wherein the frame comprises flow-resisting support frames, connecting pipes and net cage frames, the flow-resisting support frames are arranged at two opposite sides of the net cage frames, the flow-resisting net sheets are fixed on the flow-resisting support frames, the flow-resisting support frames are connected with the net cage frames through the connecting pipes, and the net cages are fixed on the net cage frames; the suspension cage hawsers are evenly distributed on the net cage frame, the cultivation suspension cages are hung on the suspension cage hawsers in a left-right staggered mode, namely, the suspension cages are horizontally distributed and also vertically distributed, a plurality of horizontal layers are formed in the vertical direction, the suspension cages on the same horizontal layer are located on the same horizontal plane, and the whole net cage is covered between the upper horizontal layer and the lower horizontal layer. The system can weaken ocean current and avoid the impact of the ocean current on the prawns, so that the survival rate of the prawns cultured in the deep sea net cage is 80 percent, and the culture yield is 30 jin/m 2 。
Description
Technical Field
The invention belongs to the field of deep sea culture, and particularly relates to a prawn culturing system by a marine net cage.
Background
With the improvement of living standard and national diet demand of people, the market prospect of shrimps is also widened, and the market demand can not be met due to the problems of high cost, large pollution, limited field and the like of industrial culture. The rise of marine products cultured in deep and open sea in recent years provides possibility for the expansion of shrimp culture. But at present, no mature cage shrimp culture technical case exists, firstly, because the sea stormy waves are large, the shrimps are easy to generate stress behaviors, and the shrimps can slow down the growth speed by continuously resisting the acting force of water flow; secondly, the shrimps have the molting habit and can be attached to one position in the molting state; thirdly, the optimum growth temperature of the shrimps is higher, the suitable season for culturing the shrimps in the deep sea net cage is shorter, the feeding amount is required to be improved, and the growth speed of the shrimps is accelerated.
Disclosure of Invention
The invention aims to provide a system for culturing prawns in a marine net cage. The system is at first through designing multiple structure that subtracts class, furthest's reduction ocean current is to the influence of shrimp, is unlikely to influence the water exchange in the aquaculture net case again, and the aquaculture cage who arranges according to the rule in the aquaculture net case not only has the effect of subtracting class, can provide the molt simultaneously for the shrimp and adhere to can regard as the platform of ingesting of accepting bait, the shellfish of breeding in the cage can also additionally create income, with water utilization ratio maximize, solved the technological problem of deep and distant sea cage shrimp culture.
The invention is realized by the following technical scheme:
a sea net cage prawn breeding system comprises a frame, net cages, flow-resisting net pieces, cage mooring ropes and breeding cages, wherein the frame comprises flow-resisting support frames, connecting pipes and a net cage frame, the flow-resisting support frames are arranged on two opposite sides of the net cage frame, 2 flow-resisting net pieces are arranged in total, the two flow-resisting net pieces are also provided with two pieces, the 2 flow-resisting net pieces are respectively fixed on the 2 flow-resisting support frames, the flow-resisting support frames are connected with the net cage frame through the connecting pipes, and the net cages are fixed on the net cage frame;
the suspension cage hawsers are evenly distributed on the net cage frame, the cultivation suspension cages are hung on the suspension cage hawsers in a left-right staggered mode, namely, the suspension cages are horizontally distributed and also distributed in the vertical direction, a plurality of horizontal layers are formed in the vertical direction, the suspension cages on the same horizontal layer are located on the same horizontal plane, the whole net cage is covered between the upper horizontal layer and the lower horizontal layer, and bait is prevented from falling into the bottom of the net cage when feeding.
Further, the bottom of the net cage is in a pot bottom shape, a waste collecting device is arranged at the bottom of the net cage, the sewage pumping pipe is connected to the waste collecting device, and the other end of the sewage pumping pipe is connected with a sewage pumping pump.
Furthermore, the flow-resisting frame is positioned on the side of the ocean current in the breeding state, namely the direction of the ocean current is vertical to the flow-resisting frame, so that the effect of weakening the ocean current is achieved.
Furthermore, the prawns are cultured in the net cage and outside the culture suspension cage.
Furthermore, shellfish is cultured in the culture suspension cage.
Furthermore, the frame is a hollow tube.
Furthermore, a cross-shaped cross buoyancy pipe is arranged in the middle of the net cage, and two ends of the buoyancy pipe are respectively fixed on the net cage frame.
Compared with the prior art, the invention has the beneficial effects that:
the system can weaken ocean current and avoid the impact of the ocean current on the prawns, so that the deep sea net cage culture of the prawns becomes possible, and the culture yield is 30 jin/m when the culture survival rate is 80 percent 2 。
Drawings
FIG. 1 is a side view of the system of the present invention;
FIG. 2 is a schematic view of the system of the present invention with the cage removed; wherein the suspension cage is a suspension cage suspension diagram on a culture cable;
FIG. 3 is a top view of the system of the present invention without the suspended farming cage;
FIG. 4 is a top plan view of the cage arrangement of the system of the present invention;
FIG. 5 is a schematic structural view of the farming cage of the present invention;
1. the device comprises a net cage, 2 parts of a cage cable, 3 parts of a breeding cage, 4 parts of a flow-blocking supporting frame, 5 parts of a connecting frame, 6 parts of a net cage frame, 7 parts of a buoyancy pipe, 8 parts of a waste collecting device, 9 parts of a sewage pumping pipe, 10 parts of a sewage pumping pump, 11 parts of a falling stone and 12 edges.
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 sea net cage prawn breeding system is shown in figures 1-5 and comprises a frame, a net cage 1, flow-resisting net sheets, a suspension cage mooring rope 2 and a breeding suspension cage 3, wherein the frame comprises flow-resisting support frames 4, a connecting frame 5 and a net cage frame 6, the flow-resisting support frames are arranged on two opposite sides of the net cage frame and are provided with 2 in total, the flow-resisting net sheets are also provided with two pieces, the 2 flow-resisting net sheets are respectively fixed on the 2 flow-resisting support frames, the flow-resisting support frames are connected with the net cage frame through connecting pipes, and the net cage is fixed on the net cage frame; the net cage frame is made of metal. The flow-resisting supporting frame and the connecting pipe are made of HDPE pipes. HDPE (high-density polyethylene) pipes with the specification of 250mm are used as the flow-resisting supporting frames; the diameter of the connecting pipe is 250mm, the connecting pipe is used as a buoyancy pipe at the same time, and the metal net cage frame and the flow-resisting supporting frame are connected through a connecting part; the specifications of the net cage frame are 10 meters long, 10 meters wide and 5.28 meters deep, wherein the underwater part is 3.6 meters, the length of the flow-resisting supporting frame is 12.3 meters, and the width of the flow-resisting supporting frame is 3.6 meters, wherein the length of the flow-resisting supporting frame is parallel to the water surface, and the flow-resisting net sheet is fixed on the flow-resisting supporting frame so as to reduce the impact force of water flow.
The metal net cage frame is connected with the net cage buoyancy pipe through a connecting part, the cultivation netting is fixed on the metal net cage frame, and the net cage is internally provided with the crossed buoyancy pipe 7 which is used as a support of the central operation platform and is used as a management passageway.
The cage cable is arranged every 25cm, each cage cable is hung every 25cm, the diameter of each cage is 50cm, the vertical distance between every two adjacent cages is 60cm, 4 layers of cultivation cages are arranged from top to bottom, the cages between every two adjacent cage cables are arranged in a staggered mode in an inserting mode, the arrangement structure resists water flow impact, and on the other hand, a platform formed by the top ends of the 4 layers of cultivation cages in the net cage can receive bait and provide a feeding platform for prawns; the upper end of the cultivation suspension cage is provided with a protruding edge 12 with the height of 2cm, and bait is prevented from falling off from the top of the suspension cage due to water flow impact.
The bottom of the center of the net cage is provided with a waste collection device 8, the waste collection device is a funnel-shaped collector with the diameter of 800mm and connected with a net piece with dense meshes, the center of the collector is provided with a 90mm round hole connected with a sewage pumping pipe 9, the device is spliced with the bottom of a cultivation net coat, waste such as shrimp shells, residual bait, excrement and the like is gathered at the bottom of the funnel along with the flushing action of water flow, and the waste is pumped out for centralized treatment by a sewage pumping pump 10 through a sewage pumping hose connected with the bottom; the bottom of the net cage is provided with a falling stone 11.
When the system is used for prawn cultivation in seawater, a flow blocking net coat and a net cage net coat are fixed in advance according to the structure, a suspension cage cable is fixed, then the system is submerged into the seawater, a net cage of 165cm is arranged above the seawater plane and serves as a protective fence, cultivation suspension cages are sequentially suspended according to the structure, cultivation shellfish is filled in the suspension cages, the upper ends of the suspension cages form prawn feeding platforms, ocean currents are buffered, and a relatively calm growth environment is formed in the net cages for the cultivated prawns. The front of the net can resist the sea current, so as to reduce the impact of the sea current on the net cage and improve the survival rate of the cultivation. The shrimp larvae throwing density is 1000 tails/m 2 The cultivation period is about 100 days from the middle ten days of June to the bottom of September, and the yield can reach 30 jin/m 2 。
Claims (5)
1. A sea net cage prawn breeding system is characterized by comprising a frame, net cages, flow-resisting net sheets, cage mooring ropes and breeding cages, wherein the frame comprises flow-resisting support frames, connecting pipes and a net cage frame, the flow-resisting support frames are arranged on two opposite sides of the net cage frame and are provided with 2 in total, the flow-resisting net sheets are also provided with two pieces, the 2 flow-resisting net sheets are respectively fixed on the 2 flow-resisting support frames, the flow-resisting support frames are connected with the net cage frame through the connecting pipes, and the net cages are fixed on the net cage frame;
the suspension cage mooring ropes are uniformly distributed on the net cage frame, the culture suspension cages are suspended on the suspension cage mooring ropes in a left-right staggered mode, are distributed horizontally and vertically, and form a plurality of horizontal layers in the vertical direction, the suspension cages on the same horizontal layer are on the same horizontal plane, the whole net cage is covered between the upper horizontal layer and the lower horizontal layer, and bait is prevented from falling into the bottom of the net cage during feeding;
the prawns are cultured in the net cage and outside the culture suspension cage;
shellfish are cultured in the culture suspension cage.
2. The system for culturing prawns in marine net cages according to claim 1, wherein the bottom of the net cage is shaped like a pot bottom, a waste collection device is arranged at the bottom of the net cage, the sewage pumping pipe is connected to the waste collection device, and the other end of the sewage pumping pipe is connected with the sewage pumping pump.
3. The offshore cage culture prawn system according to claim 1, wherein the choke frame is located on the ocean current flow direction side in the culture state, namely the ocean current direction is perpendicular to the choke frame, so as to play a role in attenuating the ocean current.
4. The marine net cage prawn culturing system according to claim 1, wherein the frames are hollow tubes.
5. The offshore net cage prawn culturing system according to claim 1, wherein a cross-shaped buoyancy pipe is arranged in the middle of the net cage, and two ends of the buoyancy pipe are respectively fixed on the net cage frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558262.XA CN113179983B (en) | 2021-05-21 | 2021-05-21 | Marine net cage prawn breeding system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110558262.XA CN113179983B (en) | 2021-05-21 | 2021-05-21 | Marine net cage prawn breeding system |
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| CN113179983A CN113179983A (en) | 2021-07-30 |
| CN113179983B true CN113179983B (en) | 2022-08-19 |
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| CN202110558262.XA Active CN113179983B (en) | 2021-05-21 | 2021-05-21 | Marine net cage prawn breeding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114793975A (en) * | 2022-04-26 | 2022-07-29 | 福建省水产研究所（福建水产病害防治中心） | Prawn fish raft culture net cage |
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| CN201817325U (en) * | 2010-01-19 | 2011-05-04 | 华东师范大学 | Biological contact oxidation module chain arranged in riverway in a staggered way |
| CN103314915A (en) * | 2013-05-23 | 2013-09-25 | 平湖市港海水产开发有限公司 | Bait table |
| CN203968945U (en) * | 2014-05-28 | 2014-12-03 | 深圳市尧智海洋养殖技术开发有限公司 | A kind of prawn culturing net cage |
| CN204968948U (en) * | 2015-08-25 | 2016-01-20 | 广东联塑科技实业有限公司 | Double -deck aquaculture box with a net |
| CN105454114A (en) * | 2015-12-28 | 2016-04-06 | 深圳深水网箱科技有限公司 | Wind and wave-resistant offshore net-cage culturing method of prawns |
| CN106172122A (en) * | 2016-07-18 | 2016-12-07 | 莆田秀屿区群韬农业技术开发有限公司 | A kind of sea farming method and device based on marine wind electric field |
| JP2017175993A (en) * | 2016-03-29 | 2017-10-05 | Ｊｆｅエンジニアリング株式会社 | Feeding method of fish in land rearing water tank |
| CN207100154U (en) * | 2017-09-04 | 2018-03-16 | 开县泰旭农业综合开发有限公司 | A kind of double-deck aquiculture net cage |
| CN111616082A (en) * | 2020-05-19 | 2020-09-04 | 中国水产科学研究院渔业机械仪器研究所 | Flow choking device for deep sea fishing ground culture |
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2021
- 2021-05-21 CN CN202110558262.XA patent/CN113179983B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101347106A (en) * | 2008-08-26 | 2009-01-21 | 宁波市海洋与渔业研究院 | Stereo fine cultivation technique of shrimp, crab and shellfish in sea water pond |
| CN201817325U (en) * | 2010-01-19 | 2011-05-04 | 华东师范大学 | Biological contact oxidation module chain arranged in riverway in a staggered way |
| CN103314915A (en) * | 2013-05-23 | 2013-09-25 | 平湖市港海水产开发有限公司 | Bait table |
| CN203968945U (en) * | 2014-05-28 | 2014-12-03 | 深圳市尧智海洋养殖技术开发有限公司 | A kind of prawn culturing net cage |
| CN204968948U (en) * | 2015-08-25 | 2016-01-20 | 广东联塑科技实业有限公司 | Double -deck aquaculture box with a net |
| CN105454114A (en) * | 2015-12-28 | 2016-04-06 | 深圳深水网箱科技有限公司 | Wind and wave-resistant offshore net-cage culturing method of prawns |
| JP2017175993A (en) * | 2016-03-29 | 2017-10-05 | Ｊｆｅエンジニアリング株式会社 | Feeding method of fish in land rearing water tank |
| CN106172122A (en) * | 2016-07-18 | 2016-12-07 | 莆田秀屿区群韬农业技术开发有限公司 | A kind of sea farming method and device based on marine wind electric field |
| CN207100154U (en) * | 2017-09-04 | 2018-03-16 | 开县泰旭农业综合开发有限公司 | A kind of double-deck aquiculture net cage |
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Address after: 266011 No. 279-88, Liaoyuan Road, Shibei District, Qingdao, Shandong Patentee after: Qihang Chuangzhi (Qingdao) Offshore Equipment Technology Co.,Ltd. Address before: 266011 No. 279-88, Liaoyuan Road, Shibei District, Qingdao, Shandong Patentee before: QINGDAO QIHANG FISHING CAGE CO.,LTD. |
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