CN110402869A - Eight Diagrams spider web type solid net cage - Google Patents
Eight Diagrams spider web type solid net cage Download PDFInfo
- Publication number
- CN110402869A CN110402869A CN201910801111.5A CN201910801111A CN110402869A CN 110402869 A CN110402869 A CN 110402869A CN 201910801111 A CN201910801111 A CN 201910801111A CN 110402869 A CN110402869 A CN 110402869A
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- China
- Prior art keywords
- etting
- frame
- net
- net cage
- diagrams
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000010586 diagram Methods 0.000 title claims abstract description 24
- 241000239290 Araneae Species 0.000 title claims abstract description 22
- 239000007787 solid Substances 0.000 title claims abstract description 19
- 238000000926 separation method Methods 0.000 claims abstract description 36
- 239000002775 capsule Substances 0.000 claims description 11
- 241000251468 Actinopterygii Species 0.000 claims description 6
- 238000009395 breeding Methods 0.000 abstract description 9
- 230000001488 breeding effect Effects 0.000 abstract description 9
- 238000009360 aquaculture Methods 0.000 abstract description 6
- 244000144974 aquaculture Species 0.000 abstract description 6
- 244000005700 microbiome Species 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 30
- 230000000694 effects Effects 0.000 description 7
- 230000012010 growth Effects 0.000 description 6
- 230000008021 deposition Effects 0.000 description 4
- 238000003306 harvesting Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 208000010824 fish disease Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 210000003608 fece Anatomy 0.000 description 2
- 230000005789 organism growth Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009421 internal insulation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- 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
-
- B08B1/30—
-
- 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 present invention discloses Eight Diagrams spider web type solid net cage, belong to technical field of aquaculture, including frame, etting, separation net, frame surface is connected with transverse connecting rod and longitudinally connected bar, and transverse connecting rod is staggered with longitudinally connected bar, and lower portion is equipped with etting, base of frame is connected with connecting line, connecting line end connects free suspending weight body, and free suspending weight body lower surface is connected with from mooring cable, connects from mooring chain end from mooring ballast.The structural stability of the design of the net cage is strong, and the problem that can effectively avoid plot ratio low can remove microorganism and the dirt of etting surface adhesion automatically, makes breeding environment closer to naturally, improving the quality of aquatic.
Description
Technical field
The invention belongs to technical field of aquaculture, and in particular to Eight Diagrams spider web type solid net cage.
Background technique
Cage culture is the pith of marine economy, is had a vast market and development potentiality.Cage culture process without
Auxiliary resources is needed, it is resource-effective, have the characteristics that Low investment high repayment.The key factor for restricting deep-sea breeding is the anti-of net cage
Stormy waves ability solves the problems, such as that this will set out to entire industry to deep water and increases power-assisted.
Cage culture faces the influence of stormy waves stream in ocean, under trend effect, is easy to make the flexible etting of cabinet to be wrapped
It encloses shape to deform, plot ratio is caused to reduce, squeeze fish dead.So whole cabinet is that can keep away using frame structure
Exempt from plot ratio reduction.In addition, in the case of more Mooring Arrangements, due to coming to unstable for stormy waves stream, so that each anchoring point stress
Unbalanced, some tie-out strength are inadequate, some tie-outs need not give so big mooring strength again.
Summary of the invention
The purpose of the present invention is to provide Eight Diagrams spider web type solid net cages, and the structural stability of design is strong, can effectively keep away
Exempt from the low problem of plot ratio, microorganism and the dirt of etting surface adhesion can be removed automatically, make breeding environment closer to naturally,
Improve the quality of aquatic.
The scheme that the present invention is taken to achieve the above object are as follows: Eight Diagrams spider web type solid net cage, including frame, etting,
Separation net, frame surface are connected with transverse connecting rod and longitudinally connected bar, and transverse connecting rod is staggered with longitudinally connected bar, frame
Etting is equipped with inside frame, base of frame is connected with connecting line, and connecting line end connects free suspending weight body, free suspending weight body lower surface
It is connected with from mooring cable, connects from mooring chain end from mooring ballast.The design is Eight Diagrams spider web type, for structure,
The quantitative force analysis of spider web structure can confirm that the structure is highly stable, and plot ratio is avoided to reduce, and make aquatic by crowded
It kills and dies.Net cage almost symmetry, uniform force.Using single Mooring Arrangements, by a piece connecting line of net cage bottom centre point and sea
Bottom connection, when mooring net cage is left original position by external force, it may occur that full angle rotates freely, progress of going with the tide of historical development
It drifts about, to reach stress minimum, can also accelerate the water body exchange inside and outside net cage, make bait inside net cage, excreta as early as possible
Discharge net cage, guarantee the normal growth of aquaculture product.
Preferably, being equipped with symmetrical air bag on the outside of frame, air bag is strip, and air bag is extended to along frame outer surface
Frame bottom surface, frame roof are equipped with air inlet.Air bag on the outside of frame can play the role of to the sink-float of net cage it is corresponding, in air bag
Net cage can accordingly float when full of gas, and can more easily, to drifting about, be subtracted when also helping harvesting according to trend
The light weight of net cage in water, when harvesting, are more efficient, and net cage has a little sinking after the gas of inside air bag is released, and rises
To the effect of wind and wave resistance.
Preferably, being arranged with sliding sleeve on longitudinally connected bar, ball, adjacent cunning are equipped between sliding sleeve and longitudinally connected bar
It is connected with telescopic rod between set, telescopic rod surface is connected with hairbrush, and the junction of telescopic rod and sliding sleeve is equipped with second bearing.This sets
Set slides up and down sliding on longitudinally connected bar on longitudinally connected bar the impact of net cage by water flow, carries out to etting clear
Brush, under normal circumstances, the telescopic rod between sliding sleeve and sliding sleeve remains static, and when there is water impact to sliding sleeve, sliding sleeve is logical
Cross ball can upward play, while also will drive telescopic rod movement, the hairbrush on telescopic rod surface can be with during upward sliding
Etting contact, the microorganism of etting surface adhesion and dirt is thoroughly cleaned, avoiding etting from being soaked in water for a long time leads to etting
The blocking of mesh, accelerates the water flow exchange velocity inside and outside etting, has improved in net cage condition of water quality, reduce fish disease occur with
It propagates.
Preferably, setting the separation net that haves three layers inside etting, recirculation hole, the mesh size of separation net are equipped in the middle part of separation net
Less than the mesh size of etting.Separation net is arranged inside etting can be separated into net cage multiple breeding spaces, reduce aquatic products
Cultivation density, be beneficial to aquaculture organism growth, improve cultured output, the recirculation hole being arranged in the middle part of separation net can make aquatic products exist
It shuttles in etting, aquatic products is avoided to be deposited in etting bottom.
Preferably, separation net with a thickness of 10cm-15cm, at least provided with 2 mounting holes inside separation net, in mounting hole
Embedded with first bearing.Separation net can play effective supporting role in the thickness range to etting, and the bearing in mounting hole is used
In grafting cross, acts on the internal component of net cage and maximize.
Preferably, being equipped with symmetrical cross above separation net, cross surface is equipped with annulus, the connection of cross bottom
There is inserted link, inserted link is plugged in first bearing, and first bearing is installed in separation net.It is provided with cross at the top of separation net, ten
The annulus of rack surface inhabites for the aquatic products of cultivation, shuttles, and increases the activity of aquatic, ten under the action of water flow
Cabinet frame can also accelerate the flowing of water body in etting, avoid the deposition of bait in etting, excrement, make around first bearing autorotation
Breeding environment is closer to naturally, be conducive to aquatic products growth.
Preferably, offering multiple fish inlets on annulus, annulus inner loop is furnished with net capsule, and net capsule is provided with bait.Water
Production is swum in annulus from fish inlet, is contacted with the net capsule extruding in annulus, the bait in net capsule can be scattered in annulus for cultivation
Aquatic products feed, while more aquatic products can be attracted to swim to the intake carried out in annulus to food by the smell of bait, also
It can reach the effect of bait throwing in.
Compared with prior art, the invention has the benefit that whole solid framework design, avoids plot ratio from dropping
It is low；In addition single point mooring's mode is used instead, it is only necessary to sufficient mooring be carried out to a point and worked, go with the tide of historical development and drift about, indulged
Sliding sleeve in connecting rod drives telescopic rod to clean etting with water by the impact of trend, and etting is avoided to be soaked in water for a long time
The blocking for leading to etting mesh accelerates the water flow exchange velocity inside and outside etting, has improved in net cage condition of water quality, has reduced fish
Disease occurs and propagates, and the setting of etting internal insulation net and cross avoids the deposition of bait in etting, excrement, makes breeding environment
Closer to naturally, being conducive to aquatic products growth.
Present invention employs Eight Diagrams spider web type solid net cages that above-mentioned technical proposal provides, and compensate for the prior art not
Foot, reasonable design, easy operation.
Detailed description of the invention
Fig. 1 is the main view of Eight Diagrams spider web type solid net cage of the present invention；
Fig. 2 is the top view of Eight Diagrams spider web type solid net cage of the present invention；
Fig. 3 is the structural schematic diagram of frame of the present invention；(removal etting and internal separation net)
Fig. 4 is the schematic diagram of internal structure of frame of the present invention；
Fig. 5 is the bottom view of cross of the present invention；
Fig. 6 is the schematic diagram of internal structure of annulus of the present invention；
Fig. 7 is the cooperation schematic diagram of sliding sleeve of the present invention and telescopic rod.
Description of symbols: 1 frame；2 ettings；3 connecting lines；4 free suspending weight bodies；5 from mooring cable；6 from mooring ballast；7
Air bag；8 air inlets；9 transverse connecting rods；10 longitudinally connected bars；11 sliding sleeves；12 telescopic rods；13 annulus；14 recirculation holes；15 crosses
Frame；16 separation nets；17 first bearings；18 inserted links；19 balls；20 hairbrush；21 second bearings；22 net capsules.
Specific embodiment
Present invention is further described in detail with attached drawing with reference to embodiments:
Embodiment 1:
As shown in figs. 1-7, Eight Diagrams spider web type solid net cage, including frame 1, etting 2, separation net 16,1 surface of frame are connected with cross
To connecting rod 9 and longitudinally connected bar 10, transverse connecting rod 9 is staggered with longitudinally connected bar 10, and etting 2 is equipped with inside frame 1,
1 bottom of frame is connected with connecting line 3, and 3 end of connecting line connects free suspending weight body 4, and free 4 lower surface of suspending weight body is connected with is certainly
Chain 5 is moored, is connected from 5 end of mooring cable from mooring ballast 6.The design is Eight Diagrams spider web type, for structure, spider web structure
Quantitative force analysis can confirm that the structure is highly stable, avoid plot ratio from reducing, aquatic made to be squeezed death.Net
Case almost symmetry, uniform force.Using single Mooring Arrangements, net cage bottom centre point is connect with a connecting line with seabed, when
When mooring net cage is left original position by external force, it may occur that full angle rotates freely, and goes with the tide of historical development and drifts about, so as to
Reach stress minimum, can also accelerate the water body exchange inside and outside net cage, make the bait inside net cage, excreta that net be discharged as soon as possible
Case guarantees the normal growth of aquaculture product.
Symmetrical air bag 7 is equipped on the outside of frame 1, air bag 7 is strip, and air bag 7 extends to frame along 1 outer surface of frame
1 bottom surface is equipped with air inlet 8 at the top of frame 1.Air bag on the outside of frame can play the role of to the sink-float of net cage it is corresponding, in air bag
Net cage can accordingly float when full of gas, and can more easily, to drifting about, be subtracted when also helping harvesting according to trend
The light weight of net cage in water, when harvesting, are more efficient, and net cage has a little sinking after the gas of inside air bag is released, and rises
To the effect of wind and wave resistance.
It is arranged with sliding sleeve 11 on longitudinally connected bar 10, ball 19 is equipped between sliding sleeve 11 and longitudinally connected bar 10, it is adjacent
Telescopic rod 12 is connected between sliding sleeve 11,12 surface of telescopic rod is connected with hairbrush 20, and telescopic rod 12 and the junction of sliding sleeve 11 are set
There is second bearing 21.The setting makes sliding on longitudinally connected bar up and down on longitudinally connected bar to the impact of net cage by water flow
Sliding, cleans etting with water, and under normal circumstances, the telescopic rod between sliding sleeve and sliding sleeve remains static, when there is water flow punching
When hitting to sliding sleeve, sliding sleeve by ball can upward play, while also will drive telescopic rod movement, stretch during upward sliding
The hairbrush on bar surface can be contacted with etting, and the microorganism of etting surface adhesion and dirt are thoroughly cleaned, and avoid etting for a long time
Ducking in drink leads to the blocking of etting mesh, accelerates the water flow exchange velocity inside and outside etting, has improved in net cage condition of water quality,
Reduce fish disease to occur and propagate.
The separation net 16 that haves three layers is set inside etting 2, is equipped with recirculation hole 14, the mesh size of separation net 13 in the middle part of separation net 16
Less than the mesh size of etting 2.Separation net is arranged inside etting can be separated into net cage multiple breeding spaces, reduce aquatic products
Cultivation density, be beneficial to aquaculture organism growth, improve cultured output, the recirculation hole being arranged in the middle part of separation net can make aquatic products exist
It shuttles in etting, aquatic products is avoided to be deposited in etting bottom.
Separation net 16 with a thickness of 10cm-15cm, at least provided with 2 mounting holes inside separation net 16, mounting hole is embedded with
First bearing 17.Separation net can play effective supporting role in the thickness range to etting, and the bearing in mounting hole is used for
Grafting cross acts on the internal component of net cage and maximizes.
Symmetrical cross 15 is equipped with above separation net 16,15 surface of cross is equipped with annulus 13, and 15 bottom of cross connects
It is connected to inserted link 18, inserted link 18 is plugged in first bearing 17, and first bearing 17 is installed in separation net 16.Setting at the top of separation net
There is cross, the annulus of ten rack surfaces inhabites for the aquatic products of cultivation, shuttles, and the activity of aquatic is increased, in water
Cross can also accelerate the flowing of water body in etting, avoid bait in etting, excrement around first bearing autorotation under the action of stream
Just deposition makes breeding environment closer to naturally, being conducive to aquatic products growth.
Multiple fish inlets are offered on annulus 13,13 inner loop of annulus is furnished with net capsule 22, and net capsule 22 is provided with bait.Aquatic products
Swim in annulus from fish inlet, contacted with the net capsule extruding in annulus, the bait in net capsule can be scattered in annulus for cultivation
Aquatic products feed, while more aquatic products can be attracted to swim to the intake carried out in annulus to food by the smell of bait, may be used also
Have the function that bait throwing in.
Embodiment 2:
As shown in figs. 1-7,1 bottom of frame in actual use, is connected free suspending weight body by Eight Diagrams spider web type solid net cage
4, free 4 lower surface of suspending weight body is by having from the connection of mooring cable 5 from mooring ballast 6, using single Mooring Arrangements, when mooring net cage by
When leaving original position to external force, it may occur that full angle rotates freely, and goes with the tide of historical development and drifts about, to reach stress most
It is small, slide up and down the sliding sleeve 11 on longitudinally connected bar 10 on longitudinally connected bar 10 impact of net cage by water flow, to net
Clothing 2 is cleaned with water, and the water flow exchange velocity inside and outside etting 2 is accelerated, and has improved in net cage condition of water quality, the isolation in etting 2
Net 16 plays a supporting role to etting 2, and cross 15 is provided at the top of separation net 16, and the annulus 13 on ten brackets, 15 surface can support
The aquatic products grown inhabites, shuttles, and increases the activity of aquatic, and cross 13 can also be around first bearing under the action of water flow
18 autorotations accelerate the flowing of water body in etting 2, avoid the deposition of bait, excrement in etting 2, lean on breeding environment more
Near-nature forest is conducive to aquatic products growth.
The prior art of routine techniques dawn known to those skilled in the art in above-described embodiment 1-2, therefore do not make herein
Narration in detail.
The above embodiments are only used to illustrate the present invention, and not limitation of the present invention, the ordinary skill people of this field
Member can also make a variety of changes and modification without departing from the spirit and scope of the present invention.Therefore, all equivalent
Technical solution also belong to scope of the invention, scope of patent protection of the invention should be defined by the claims.
Claims (7)
1. Eight Diagrams spider web type solid net cage, including frame (1), etting (2), separation net (16), it is characterised in that: the frame
(1) surface is connected with transverse connecting rod (9) and longitudinally connected bar (10), the transverse connecting rod (9) and longitudinally connected bar (10)
It is staggered, is equipped with etting (2) inside the frame (1), frame (1) bottom is connected with connecting line (3), the connecting line
(3) end connects free suspending weight body (4), and free suspending weight body (4) lower surface is connected with from mooring cable (5), described from mooring
Chain (5) end is connected from mooring ballast (6).
2. Eight Diagrams spider web type solid net cage according to claim 1, it is characterised in that: be equipped on the outside of the frame (1) pair
The air bag (7) of title, the air bag (7) is strip, and air bag (7) extends to frame (1) bottom surface, institute along frame (1) outer surface
It states and is equipped with air inlet (8) at the top of frame (1).
3. Eight Diagrams spider web type solid net cage according to claim 1, it is characterised in that: covered on the longitudinally connected bar (10)
Equipped with sliding sleeve (11), ball (19) are equipped between the sliding sleeve (11) and longitudinally connected bar (10), the adjacent sliding sleeve (11)
Between be connected with telescopic rod (12), telescopic rod (12) surface is connected with hairbrush (20), the telescopic rod (12) and sliding sleeve
(11) junction is equipped with second bearing (21).
4. Eight Diagrams spider web type solid net cage according to claim 1, it is characterised in that: set and have three layers inside the etting (2)
Separation net (16), separation net (16) middle part are equipped with recirculation hole (14), and the mesh size of the separation net (13) is less than etting
(2) mesh size.
5. Eight Diagrams spider web type solid net cage according to claim 1 or 4, it is characterised in that: the thickness of the separation net (16)
Degree is 10cm-15cm, and the separation net (16) is internal at least provided with 2 mounting holes, and the mounting hole is embedded with first bearing
(17).
6. Eight Diagrams spider web type solid net cage according to claim 1 or 4 or 5, it is characterised in that: on the separation net (16)
Side is equipped with symmetrical cross (15), and cross (15) surface is equipped with annulus (13), cross (15) the bottom connection
Have inserted link (18), the inserted link (18) is plugged in first bearing (17), and the first bearing (17) is installed on separation net (16)
It is interior.
7. Eight Diagrams spider web type solid net cage according to claim 6, it is characterised in that: offered on the annulus (13) more
A fish inlet, annulus (13) inner loop are furnished with net capsule (22), and the net capsule (22) is provided with bait.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910801111.5A CN110402869B (en) | 2019-08-28 | 2019-08-28 | Eight diagrams spider net type stereo net cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910801111.5A CN110402869B (en) | 2019-08-28 | 2019-08-28 | Eight diagrams spider net type stereo net cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110402869A true CN110402869A (en) | 2019-11-05 |
| CN110402869B CN110402869B (en) | 2021-08-10 |
Family
ID=68369476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910801111.5A Active CN110402869B (en) | 2019-08-28 | 2019-08-28 | Eight diagrams spider net type stereo net cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110402869B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508772A (en) * | 2020-03-18 | 2021-10-19 | 吴常文 | Bottom-sitting type marine ranch management platform with sinking and floating functions |
| CN115474570A (en) * | 2022-09-16 | 2022-12-16 | 中国水产科学研究院南海水产研究所 | Net bottom structure of net cover of mariculture net cage, net cover comprising net bottom structure and net hauling method of net cover |
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| CN2720810Y (en) * | 2004-08-23 | 2005-08-31 | 张畅 | Composite side-lifted netting cases |
| CN105165592A (en) * | 2015-10-16 | 2015-12-23 | 浙江大学 | Large-scale algae cultivation device |
| CN205962357U (en) * | 2016-06-28 | 2017-02-22 | 古国维 | Exempt from to trade net or easily trade net from flexible box with a net of polygon tension leg of mooring |
| CN108739578A (en) * | 2018-06-15 | 2018-11-06 | 黄骅市奥拓雷斯机电模具有限公司 | Rise and fall lift sea aquiculture net cage |
| WO2018232543A1 (en) * | 2017-06-21 | 2018-12-27 | Bronstein Garin Guillermo Octavio | Floating, closed, self-supporting fish-farming cage comprising a tubular membrane made of a polymer with high mechanical strength and low biofouling adhesion, and system of fish-farming cages |
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2019
- 2019-08-28 CN CN201910801111.5A patent/CN110402869B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2720810Y (en) * | 2004-08-23 | 2005-08-31 | 张畅 | Composite side-lifted netting cases |
| CN105165592A (en) * | 2015-10-16 | 2015-12-23 | 浙江大学 | Large-scale algae cultivation device |
| CN205962357U (en) * | 2016-06-28 | 2017-02-22 | 古国维 | Exempt from to trade net or easily trade net from flexible box with a net of polygon tension leg of mooring |
| WO2018232543A1 (en) * | 2017-06-21 | 2018-12-27 | Bronstein Garin Guillermo Octavio | Floating, closed, self-supporting fish-farming cage comprising a tubular membrane made of a polymer with high mechanical strength and low biofouling adhesion, and system of fish-farming cages |
| CN108739578A (en) * | 2018-06-15 | 2018-11-06 | 黄骅市奥拓雷斯机电模具有限公司 | Rise and fall lift sea aquiculture net cage |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113508772A (en) * | 2020-03-18 | 2021-10-19 | 吴常文 | Bottom-sitting type marine ranch management platform with sinking and floating functions |
| CN115474570A (en) * | 2022-09-16 | 2022-12-16 | 中国水产科学研究院南海水产研究所 | Net bottom structure of net cover of mariculture net cage, net cover comprising net bottom structure and net hauling method of net cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110402869B (en) | 2021-08-10 |
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