CN111616082B - Flow choking device for deep sea fishing ground culture - Google Patents
Flow choking device for deep sea fishing ground culture Download PDFInfo
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- CN111616082B CN111616082B CN202010423755.8A CN202010423755A CN111616082B CN 111616082 B CN111616082 B CN 111616082B CN 202010423755 A CN202010423755 A CN 202010423755A CN 111616082 B CN111616082 B CN 111616082B
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- Prior art keywords
- flow
- flow blocking
- fishing ground
- netting
- blocking
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- 230000000903 blocking effect Effects 0.000 claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 241000251468 Actinopterygii Species 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 31
- 239000010959 steel Substances 0.000 claims description 31
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000003373 anti-fouling effect Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 208000034699 Vitreous floaters Diseases 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000009360 aquaculture Methods 0.000 description 4
- 244000144974 aquaculture Species 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009395 breeding Methods 0.000 description 2
- 230000001488 breeding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 241000251730 Chondrichthyes Species 0.000 description 1
- 241000270666 Testudines Species 0.000 description 1
- 235000021120 animal protein Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003653 coastal water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
- A01K61/10—Culture of aquatic animals of fish
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/30—Scaring or repelling devices, e.g. bird-scaring apparatus preventing or obstructing access or passage, e.g. by means of barriers, spikes, cords, obstacles or sprinkled water
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Birds (AREA)
- Marine Sciences & Fisheries (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Farming Of Fish And Shellfish (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention discloses a flow blocking device for deep sea fishing ground cultivation, which comprises a plurality of flow blocking nets and a power assembly, wherein the flow blocking nets are arranged at the periphery of a fishing ground along the incoming flow direction, and the power assembly is used for driving the flow blocking nets to be folded or put down. When the external sea flow velocity is too high to meet the growth requirement of cultured fishes in the fishing ground, the power device releases the flow blocking net, so that the sea flow velocity in the fishing ground is effectively reduced, the length of the released flow blocking net can be adjusted, and different flow blocking effects are achieved; when the speed of the external ocean current meets the growth requirement of the cultured fishes in the fishing ground, the current blocking net is folded up to avoid influencing the water current exchange between the fishing ground and the outside.
Description
Technical Field
The invention relates to the field of deep and open sea aquaculture equipment, in particular to a flow blocking device for deep sea fishery aquaculture.
Background
Under the condition that aquatic animal protein widely enters the dining table of Chinese people, the aquatic product supply in China is mainly breeding; inland and coastal waters have limited space and are limited by environmental protection and the like, aquatic product cultivation must move to deep open sea areas, and deep open sea cultivation is an important way for solving the increasing aquatic product requirements of China.
Deep and distant sea water areas far away from continents have excellent environmental conditions for developing aquaculture, including high-quality water sources, proper regional or ocean-current water temperatures and far away from land-source pollution and diseases, and safe and reliable facility equipment is the key for development. At present, no facility for adjusting the water flow state in a fishing ground exists in deep and open sea culture, and water flows are naturally exchanged; when the tide is flat, the flow rate in the fishing ground is low, and the cultured fishes grow normally; when the tide or the wave weather rises and falls, the water flow in the fishing ground is large, the cultured fishes consume more energy to resist the water flow, the growth speed is influenced, and partial fish schools are damaged due to too large water flow or die due to insufficient dissolved oxygen in local areas caused by overcrowding.
How to reduce the high flow rate and ensure the health of the cultured fishes without increasing the culture cost is a technical and application problem to be solved in the field.
Disclosure of Invention
The invention aims to provide a flow blocking device for deep sea fishery culture aiming at the defects in the prior art so as to solve the problems in the prior art.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a flow blocking device for deep sea fishing ground cultivation comprises a plurality of flow blocking nets arranged on the periphery of a fishing ground in the incoming flow direction and a power assembly used for driving the flow blocking nets to be folded or put down.
Furthermore, the choke net comprises a plurality of force steels, and an upper choke net, a middle choke net and a lower choke net which are arranged between the adjacent force steels.
Furthermore, the upper, middle and lower choked flow netting are made of high polymer materials, and the mesh number of the upper choked flow netting is larger than that of the middle choked flow netting and larger than that of the lower choked flow netting.
Furthermore, the force steel positioned above is connected with the roller through a steel wire rope, and the force steel positioned below is connected with a plurality of weights.
Furthermore, the force steel, the upper flow blocking netting, the middle flow blocking netting, the lower flow blocking netting and the weight form a blocking system on the surface of the fishing ground, and the blocking system is used for blocking the impact of floaters on the water surface and large marine organisms on the fishing ground.
Furthermore, the power assembly comprises a power device arranged on the culture facility structure, the output end of the power device is connected with the roller through a transmission mechanism, a steel wire rope is arranged on the surface of the roller, and the two ends of the steel wire rope are respectively connected with the roller and the current blocking net.
Furthermore, a guide rail is arranged on the side of the culture facility structure, the flow blocking net moves up and down along the guide rail under the driving of the power device, and an anti-corrosion and anti-fouling material layer is arranged on the inner surface of the guide rail.
Further, the inside of cylinder is equipped with the drum shaft, is equipped with the bush at the surperficial tip of drum shaft, and the both ends tip of cylinder is equipped with the eye-plate, and the bottom of eye-plate is equipped with the bedplate, and the bedplate passes through fixing bolt to be installed on the base that is located breed facility structure top.
Furthermore, a flow velocity sensor is arranged in the fishing ground, and the output end of the flow velocity sensor is connected with a power device.
Compared with the prior art, the invention has the beneficial effects that:
1) the flow resisting device for the deep sea fishing ground is provided, so that the water flow speed in the deep sea fishing ground can be reduced; the flow blocking netting is released automatically and recovered mechanically, manual intervention is reduced, and the design is ingenious.
2) The adoption of the flow blocking netting with different meshes improves the water flow adaptability of the invention, and flow blocking can be distinguished according to the flow velocity of layered water flow in the sea area.
3) The flow-resisting netting made of the high polymer material can be used for a fishing ground to prevent the impact of water surface floaters and large marine organisms such as sharks, turtles and the like on a fishing ground culture unit.
4) The flow blocking device for the deep-sea fishing ground can control the release length of the netting by monitoring data in real time through the water flow sensor in the fishing ground, so that the optimal flow field for the growth of cultured fishes is maintained in the fishing ground.
5) The flow blocking device for the deep sea fishing ground is simple in structure, convenient to implement and beneficial to popularization.
Drawings
Fig. 1 is a release state diagram of the choke device for deep-sea fishery culture according to the present invention.
Fig. 2 is a recovery state diagram of the choke device for deep-sea fishing ground cultivation according to the invention.
Fig. 3 is a side view of a flow blocking device for deep-sea fishing ground farming according to the present invention.
Fig. 4 is a sectional view taken along line a-a of fig. 3.
Fig. 5 is a partial schematic view of fig. 1.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 5, the flow blocking device for deep sea fishing ground cultivation in the invention comprises a plurality of flow blocking nets (4) arranged at the periphery of the fishing ground along the incoming flow direction, and a power assembly for driving the flow blocking nets (4) to retract or put down. When the external sea flow velocity is too high to meet the growth requirement of cultured fishes in the fishing ground, the power device releases the flow blocking net (4), so that the sea flow velocity in the fishing ground is effectively reduced, the length of the released flow blocking net (4) can be adjusted, and different flow blocking effects are achieved; when the speed of the outside ocean current meets the growth requirement of the cultured fishes in the fishing ground, the flow blocking net (4) is folded to not influence the water flow exchange between the fishing ground and the outside.
The flow blocking net (4) comprises a plurality of force steels (6), and an upper flow blocking net (7), a middle flow blocking net (8) and a lower flow blocking net (9) which are arranged between the adjacent force steels (6). The force steel (6) positioned above is connected with the roller (5) through a steel wire rope (11), and the force steel (6) positioned below is connected with a plurality of weights (10).
When the choked flow is needed, an upper choked flow netting (7), a middle choked flow netting (8) and a lower choked flow netting (9) which are pulled by a steel wire rope (11) and have different meshes are attached to a culture facility structure (14) through a heavy object (10) and a guide rail (15), and the releasing length of the steel wire rope (11) is adjusted through a power device (1) according to the choked flow needed; when the choked flow is not needed, the power device (1) drives the transmission mechanism (2) to put the upper choked flow netting (7), the middle choked flow netting (8) and the lower choked flow netting (9) on the roller (5).
The upper choke-flow netting (7), the middle choke-flow netting (8) and the lower choke-flow netting (9) are made of high polymer materials, and the mesh of the upper choke-flow netting (7) is larger than that of the middle choke-flow netting (8) and larger than that of the lower choke-flow netting (9). The general aquaculture water in deep sea fishing ground is darker, and the water surface velocity of flow is generally higher than the bottom velocity of flow, utilizes big mesh in top bottom little mesh hinder the flow net (4), plays to reduce the surface velocity of flow by a wide margin, reduces the bottom velocity of flow by a small margin, builds the environment that the interior upper and lower water velocity of flow of fishing ground is unanimous.
When the speed of the outside sea current is not much larger than the required speed of the fishing ground, only the lower choked flow netting (9) is released; when the outside sea flow speed is not much larger than the required flow speed of the fishing ground, the middle choke netting (8) and the lower choke netting (9) are released; when the outside sea flow speed is much higher than the required flow speed of the fishing ground, the upper choke netting (7), the middle choke netting (8) and the lower choke netting (9) are released. The mesh type of the flow-blocking net (4) can be set according to the environmental flow rates of different fishing grounds.
The force steel (6), the upper flow blocking netting (7), the middle flow blocking netting (8), the lower flow blocking netting (9) and the weight (10) form a blocking system on the surface of the fishing ground, and the blocking system is used for blocking the impact of water surface floaters and large marine organisms on the fishing ground.
The power assembly comprises a power device (1) arranged on a breeding facility structure (14), the output end of the power device (1) is connected with a roller (5) through a transmission mechanism (2), a steel wire rope (11) is arranged on the surface of the roller (5), and the two ends of the steel wire rope (11) are respectively connected with the roller (5) and a current blocking net (4).
The current-blocking net (4) is recovered on the roller (5) through a steel wire rope (11) when not needed, and the power device (1) drives the transmission mechanism (2) to drive the roller shaft (17) to realize the purpose. The flow blocking net (4) can be unfolded for airing and maintenance after being recovered to the roller (5), so that marine organisms are prevented from attaching. The flow blocking net (4) can be stopped at any position through the transmission mechanism (2) with the brake, so that the layered water flow speed of the water body in the fishing ground can be conveniently regulated and controlled.
A guide rail (15) is arranged on the side of the culture facility structure (14), the flow blocking net (4) moves up and down along the guide rail (15) under the driving of the power device (1), and an anti-corrosion and anti-fouling material layer (16) is arranged on the inner surface of the guide rail (15). The current-resisting net (4) is tensioned by force steel (6) and a weight (10) hung at the bottom of the force steel, and is released into the water along a guide rail (15) through the weight (10); the guide rail (15) coated with the anti-corrosion and anti-fouling material layer (16) is fixed on the cultivation facility structure (14), the force steel (6) is limited in the front and back direction, and the netting is attached to the outer side of the cultivation facility structure (14).
The inside of cylinder (5) is equipped with drum shaft (17), is equipped with bush (18) at the surperficial tip of drum shaft (17), and the both ends tip of cylinder (5) is equipped with the eye-plate, and the bottom of eye-plate is equipped with bedplate (3), and bedplate (3) are installed on base (13) that are located breed facility structure (14) top through fixing bolt (12).
A flow velocity sensor is arranged in the fishing ground, and the output end of the flow velocity sensor is connected with the power device (1). The start and stop of the power device (1) and the transmission mechanism (2) can be controlled according to the data of the flow velocity sensor in the fishing ground, so that the optimal flow field for the growth of the cultured fishes is maintained in the fishing ground.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. A flow blocking device for deep sea fishing ground culture is characterized by comprising a plurality of flow blocking nets (4) arranged at the periphery of a fishing ground along the incoming flow direction and a power assembly for driving the flow blocking nets (4) to be retracted or put down;
the flow blocking net (4) comprises a plurality of force steels (6), and an upper flow blocking net (7), a middle flow blocking net (8) and a lower flow blocking net (9) which are arranged between the adjacent force steels (6);
the force steel (6), the upper flow blocking netting (7), the middle flow blocking netting (8), the lower flow blocking netting (9) and the weight (10) form a blocking system on the surface of the fishing ground, and the blocking system is used for blocking the impact of water surface floaters and large marine organisms on the fishing ground;
the power assembly comprises a power device (1) arranged on a culture facility structure (14), the output end of the power device (1) is connected with the roller (5) through a transmission mechanism (2), a steel wire rope (11) is arranged on the surface of the roller (5), and two ends of the steel wire rope (11) are respectively connected with the roller (5) and the current blocking net (4);
the current-blocking net (4) is recovered on the roller (5) through a steel wire rope (11) when not needed, and the power device (1) drives the transmission mechanism (2) to drive the roller shaft (17) to realize the purpose; the flow blocking net (4) can be unfolded for airing and maintenance after being recovered to the roller (5) to prevent marine organisms from attaching; the flow blocking net (4) can stay at any position through the transmission mechanism (2) with the brake, so that the layered water flow speed of the water body in the fishing ground can be conveniently regulated and controlled;
a guide rail (15) is arranged on the side of the culture facility structure (14), the flow blocking net (4) moves up and down along the guide rail (15) under the driving of the power device (1), and an anti-corrosion and anti-fouling material layer (16) is arranged on the inner surface of the guide rail (15); the current-resisting net (4) is tensioned by force steel (6) and a weight (10) hung at the bottom of the force steel, and is released into the water along a guide rail (15) through the weight (10); the guide rail (15) coated with the anti-corrosion and anti-fouling material layer (16) is fixed on the culture facility structure (14), and the force steel (6) is limited in the front and back directions to ensure that the netting is attached to the outer side of the culture facility structure (14);
a roller shaft (17) is arranged in the roller (5), a lining (18) is arranged at the surface end part of the roller shaft (17), eye plates are arranged at the two end parts of the roller (5), a seat plate (3) is arranged at the bottom of the eye plates, and the seat plate (3) is arranged on a base (13) positioned at the top of the cultivation facility structure (14) through a fixing bolt (12);
a flow velocity sensor is arranged in the fishing ground, and the output end of the flow velocity sensor is connected with the power device (1); the start and stop of the power device (1) and the transmission mechanism (2) can be controlled according to the data of the flow velocity sensor in the fishing ground, so that the optimal flow field for the growth of the cultured fishes is maintained in the fishing ground.
2. The flow blocking device for the deep sea fishing ground cultivation according to claim 1, wherein the upper flow blocking netting (7), the middle flow blocking netting (8) and the lower flow blocking netting (9) are made of high polymer materials, and the mesh of the upper flow blocking netting (7) is larger than that of the middle flow blocking netting (8) and larger than that of the lower flow blocking netting (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010423755.8A CN111616082B (en) | 2020-05-19 | 2020-05-19 | Flow choking device for deep sea fishing ground culture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010423755.8A CN111616082B (en) | 2020-05-19 | 2020-05-19 | Flow choking device for deep sea fishing ground culture |
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| Publication Number | Publication Date |
|---|---|
| CN111616082A CN111616082A (en) | 2020-09-04 |
| CN111616082B true CN111616082B (en) | 2022-05-27 |
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| CN202010423755.8A Active CN111616082B (en) | 2020-05-19 | 2020-05-19 | Flow choking device for deep sea fishing ground culture |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243925B (en) * | 2020-10-10 | 2022-07-19 | 江苏科技大学 | Floating type flow blocking and sand blocking multifunctional equipment |
| CN112471027B (en) * | 2020-12-09 | 2022-04-08 | 浙江海洋大学 | Open-air device of domesticating of east sea large yellow croaker releasing |
| CN113170750B (en) * | 2021-04-01 | 2022-06-21 | 中交海洋建设开发有限公司 | Automatic flow blocking network system of semi-submersible type deep and far sea aquaculture net cage |
| CN113179983B (en) * | 2021-05-21 | 2022-08-19 | 青岛启航网箱工程技术有限公司 | Marine net cage prawn breeding system |
| CN114718005A (en) * | 2022-03-15 | 2022-07-08 | 长江勘测规划设计研究有限责任公司 | Fish blocking floating gate suitable for large diversion canal |
| CN116439179B (en) * | 2023-04-12 | 2023-12-15 | 江苏海洋大学 | Double-layer deep sea aquaculture net cage with gradient porosity net |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2560263B2 (en) * | 1994-11-13 | 1996-12-04 | 水産庁水産工学研究所長 | Capture device for runoff seaweed |
| JP2001190178A (en) * | 2000-01-12 | 2001-07-17 | Ashimori Ind Co Ltd | Fish preserve |
| CN201891105U (en) * | 2010-10-12 | 2011-07-06 | 泉州龙闰海洋科技有限责任公司 | Movable wave dragging and flow stopping facility |
| NO334396B1 (en) * | 2012-10-01 | 2014-02-24 | Sfd As | Electric fence and use of the same in a fish farm |
| CN207854801U (en) * | 2018-02-07 | 2018-09-14 | 诏安东福水产有限公司 | A kind of baffle device for marine cage culture |
| CN208875127U (en) * | 2018-08-17 | 2019-05-21 | 中科深海产业（深圳）有限公司 | A kind of cage culture baffle structure |
| CN209251401U (en) * | 2018-11-30 | 2019-08-16 | 沃邦（天津）科技有限公司 | Baffle device for marine cage culture |
| CN209684937U (en) * | 2019-03-07 | 2019-11-26 | 六安市道山网业有限公司 | A kind of fishing net wrap-up |
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