CN102823524B - External tractive lifting-control device and method for offshore cages - Google Patents
External tractive lifting-control device and method for offshore cages Download PDFInfo
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- CN102823524B CN102823524B CN201210292969.1A CN201210292969A CN102823524B CN 102823524 B CN102823524 B CN 102823524B CN 201210292969 A CN201210292969 A CN 201210292969A CN 102823524 B CN102823524 B CN 102823524B
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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
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- 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
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Abstract
The invention relates to external tractive lifting-control device and method for offshore cages. The device comprises a buoy. A winch for winding to pay out and take in a traction rope is disposed in the buoy. A rope winding-unwinding tubular duct is disposed below the winch. The traction rope is wound on the winch. The traction rope passes through the rope winding-unwinding tubular duct and extends out of the buoy. The traction rope is connected with a weight driving an offshore cage to sink. The method includes: adding four control devices to junction points at four corners of a square anchor rope frame outside a floating offshore aquaculture cage respectively; connecting the floating offshore aquaculture cage with the buoy and the weight respectively with ropes; and releasing the weight towards the sea bed through the buoy, and drawing the floating offshore aquaculture cage to sink through the weight. By the device and the method, the floating offshore aquaculture cage without functions of sinking and floating can sink and float safely.
Description
Technical field
The present invention relates to offshore sea farming equipment technology field, particularly relate to a kind of outer additional towed offshore marine mesh cage apparatus for controlling of lifting and method.
Background technology
Offshore proof sea culture net cage is divided into floating, the formula of diving and elevation (over-and-under) type with state in its water.At present, floating offshore proof sea culture net cage is buoyancy framework mainly with high density polyethylene (HDPE) float tube as buoyancy framework or the steel lead frame of additional buoyancy accessory of take, and the shape of buoyancy framework comprises circle, square, hexagon or polygon.Under buoyancy framework, hang the casing (mesh bag) being assembled by composite fibre materials mesh grid sheet, at bottom hung sinker, form cabinet space (volume); Or assemble by the Web materials of metal material net sheet and the outer composite plastic of metal the casing forming.Floating offshore proof sea culture net cage under normal sea conditions, the advantages such as the wind wave resistance performance cost good, net cage with net cage equipment is relatively low, cultivation operation and convenient management; Its deficiency is when meeting with the disastrous weathers such as typhoon, red tide and sea situation, net cage equipment be easy to impaired cause fish in net cage to escape or net cage in cultured fishes cause its killed or wounded because of severe sea situation environmental condition, and then cause serious cultivation loss.
Replacing of the interior inflation of sink-float servicing unit of carrying additionally under the sedimentation of existing elevation (over-and-under) type offshore proof sea culture net cage and floating control many employings net cage frame self tube chambers or net cage or water-filling, regulates overall buoyancy and the heavy power of net cage, realizes sedimentation and the floating of net cage.For example, the net cage frame that adopts hdpe pipe to manufacture, by filling in frame tube assembling, vent valve and drainage valve, while inflating in high-density polyethylene framework pipe internal cavity, can make net cage frame floating or in often, float on the state on sea; Open water intaking valve and make to intake in high-density polyethylene framework pipe internal cavity, realize the sinking of net cage buoyancy framework; Employing is carried additionally net cage elevating control floating drum in net cage bottom, be equally by assembling on floating drum fill, vent valve and drainage cut down, inflation is discharged seawater in floating drum or exhaust and is made in floating drum water inlet regulate gross buoyancy and control that net cage sinks or floating; By open the circular rubber liner that installs additional into and out of water hole and in high density polyethylene pipe on high density polyethylene pipe frame, while inflating to rubber liner through connecting tracheae, rubber liner expands and is close to high density polyethylene pipe inwall, can realize net cage floating and keep normal floating state; After air in release air bag, the rubber liner in high density polyethylene pipe shortens band shape into, and the circle that seawater is opened on high density polyethylene pipe frame enters into and out of water hole, and net cage is settled down under water.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of outer additional towed offshore marine mesh cage apparatus for controlling of lifting and method, makes not possess the safe sedimentation of energy of floating offshore proof sea culture net cage and the floating of sedimentation and floating function.
The technical solution adopted for the present invention to solve the technical problems is: a kind of outer additional towed offshore marine mesh cage apparatus for controlling of lifting is provided, comprises floating drum, be provided with for the band of reeling and put the capstan arrangement with rolling outward in described floating drum; Described capstan arrangement has rope band folding and unfolding tube seat; On described capstan arrangement, be wound with band; Described band passes described floating drum through described rope band folding and unfolding tube seat, and with for drawing the weight of offshore proof sea culture net cage sedimentation, be connected.
Described floating drum comprises cylinder stack shell and cone bottom; Described cone bottom is arranged on cylinder stack shell lower end; The floor space of described cone bottom and the floor space of cylinder stack shell equate.
Described cylinder stack shell surrounding is distributed with four stress frames; Described cylinder stack shell is divided into three layers by four circular stress frames; Described cylinder stack shell top 1/3rd sections are provided with a square corner steel bracket; Four stress frames of cylinder stack shell surrounding are aimed at respectively on four summits of described square corner steel bracket; On described square corner steel bracket, described capstan arrangement is installed.
Described rope band folding and unfolding tube seat is arranged on the shaft core position of described cylinder stack shell and cone bottom; The upper end of described rope band folding and unfolding tube seat is bell mouth shape, and the top of described bell mouth shape is positioned at 2/3rds to 1/2nd places on cylinder stack shell top.
One section of pipe ring of inner side lining of four stress frames that described cylinder stack shell top three/part distributes along cylinder stack shell surrounding, described pipe ring outside is filled to and the cylinder of stress frame outer on the same face of cylinder with hard obturator-type porous plastics.
In the cavity of described cylinder stack shell bottom 2/3rds parts and cone bottom, be filled with hard obturator-type porous plastics.
The inclined-plane of described cone bottom is provided with at least two symmetrical stress frames, and on described two stress frames, cover has two beckets that expose respectively.
Described cylinder stack shell upper end is equipped with top pressure closure.
The lower end of described band is provided with hook; On described hook, be hung with described weight.
The technical solution adopted for the present invention to solve the technical problems is: a kind of outer additional towed offshore marine mesh cage lift control method is also provided, comprises the following steps:
(1) at square anchoring rope four jiaos of interface point places of frame, floating offshore proof sea culture net cage outside, be attached with respectively an above-mentioned control device;
(2) utilize rope that floating offshore proof sea culture net cage framework is connected with weight with floating drum respectively;
(3) by floating drum, to seabed direction, discharge weight, by weight, draw described floating offshore proof sea culture net cage and sink.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the present invention compared with prior art, has following advantage and good effect:
(1) as a kind of offshore proof sea culture net cage apparatus for controlling of lifting and method of outer addition type, in the situation that original floating offshore proof sea culture net cage main body facility not being carried out to elevator installation or transformation, by carry additionally four floating drums with traction floating offshore proof sea culture net cage sinking function in floating offshore proof sea culture net cage periphery, can realize easily and quickly the sinking of floating offshore proof sea culture net cage, solve facility and the cultured fishes safety of floating offshore proof sea culture net cage when meeting with disastrous sea situation;
(2) outer additional towed offshore proof sea culture net cage apparatus for controlling of lifting of the present invention and method, compare with the net cage that is equipped with elevating function device on original main body facility, can keep original floating offshore proof sea culture net cage under conventional sea conditions, to cultivate the advantages such as operation, convenient management; And when disastrous sea situation early warning, outer carrying additionally can be drawn the floating drum that floating offshore proof sea culture net cage sinks again, make net cage sink down into safety depth under water, when sea situation is recovered conventional production status, by receipts, twist the band discharging in floating drum, mention weight (thing) that traction net cage sinks, make net cage floating after and remove the outer floating drum of carrying additionally, make net cage keep original normal floating production status;
(3) during conventional sea situation, can outer additional floating drum (weight that the comprises lower extension) removal of traction floating offshore proof sea culture net cage sinking will be there is, and leave concentratedly respectively on the bank or bank, avoid relevant apparatus to drift for a long time in problems such as the marine burn into causing are aging because of floating drum, and the timely inspection and maintenance after convenient use; Before floating drum is used, on the coast or bank weight is added and is hung under floating drum, with operation ship, drag it to around net cage, use rope being connected easily and fast between floating drum and the rope that anchors, floating drum and net cage buoyancy framework, weight and net cage buoyancy framework, by mounted capstan winch on operation floating drum, discharge the rope band that lower end hangs with weight, with weight traction net cage, sink;
(4) under the inventive method traction net cage, be sunken under water after fixing, safety depth, the four direction of cross symmetry around net cage, connecting rope by float buoyancy, weight gravity and net cage buoyancy framework under water, formation is along the symmetrical horizontal radiation direction of cross, balanced tension force, the stability in the time of can keeping preferably net cage seawater velocity affects under water;
(5) the present invention can be applied to domestic more general high-density polyethylene framework floating cage and metal framework floating cage at present easily, be convenient to large scale application, thereby solve typhoon, the threat of Disaster And Prevention Measures of Red Tides to net cage facility and cultivation object at all, guarantee cage culture production safety.
Accompanying drawing explanation
Fig. 1 is the present invention's structural representation of additional towed offshore marine mesh cage apparatus for controlling of lifting outward;
Fig. 2 is the present invention's profile of additional towed offshore marine mesh cage apparatus for controlling of lifting outward;
Fig. 3 is elevating method schematic diagram of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Outer additional towed offshore marine mesh cage lift control method of the present invention is included in additional four floating drums that are hung with weight in square anchoring rope four jiaos of interface point places of frame, original floating offshore proof sea culture net cage outside, and weight can be separated with floating drum and be discharged to seabed direction by the rope band in floating drum and capstan arrangement; With rope, respectively floating offshore proof sea culture net cage buoyancy framework is connected with weight and floating drum, by floating drum, to seabed direction, discharges weight, by weight traction floating offshore proof sea culture net cage, sunk.
Outer additional towed offshore marine mesh cage apparatus for controlling of lifting comprises a floating drum that is hung with weight, and floating drum comprises a cone bottom of cylinder stack shell and lower end stack.Form and in the cylinder stack shell of floating drum, to be equipped with the band of coiling and to put the capstan arrangement with rolling outward for the band of reeling, band is vertically introduced under sea along the rope band folding and unfolding tube seat of axle center setting through cylinder stack shell and cone bottom, and the lower end of band connects the weight that can draw the sedimentation of floating offshore proof sea culture net cage.
The floating drum preparation method of cylinder stack shell and cone bottom is: by steel material shaping, be welded into the body frame of cylinder and one end stack cone, comprising along cylinder and cone axis direction, and at the stress frame of equally distributed four the angle steel materials of cylinder surrounding and at cylinder two ends and four circular band steel material stress frames pressing the impartial three minutes positions of cylinder.On two angle steel material stress frames of housing inclined-plane, floating drum cone one end symmetry, be socketed two stainless steel rings that expose, in order to whip gang rope.At floating drum cylinder top 1/3rd sections and equally distributed four the angle steel materials of the cylinder surrounding square corner steel bracket that is linked and packed, in order to fixedly mount band, put the capstan arrangement with rolling outward.Under floating drum cylinder, 2/3rds parts and stack cone are installed a rope band folding and unfolding tube seat that upper end is horn-like opening along shaft core position.Floating drum cylinder top three/part, one section of fiberglass of lining or plastics pipe ring inside four angle steel materials that distribute along cylinder surrounding, pipe ring outside adopts hard obturator-type porous plastics to be filled to and the cylinder of four angle steel material outers that distribute along cylinder surrounding on the same face of cylinder; Under cylinder, 2/3rds places and cone internal cavities adopt hard obturator-type porous plastics to fill equally becomes and the shape body of four angle steel material outers that distribute along cylinder surrounding at the same face of cylinder and centrum face; Then, adopt polymer matrix composites, with hand pasting forming method or filament winding process, make the coated shell body of glass-reinforced plastic material.The capstan winch of installing in floating drum can be electric capstan or hand winch, on capstan winch, reel stainless steel steel wire rope or super-macromolecule polyethylene rope or braiding banding pattern band, and introduce under sea along the rope band folding and unfolding tube seat of axle center setting through floating drum cylinder stack shell and cone bottom, the lower end of band connects the metal hook being convenient to operation, in order to articulate the becket bridle of ball-type tup and traction net cage.On the cylinder of floating drum, top is equipped with the top pressure closure that can open or lock, can be convenient to the operation and maintenance of band coiling capstan winch in floating drum when top pressure closure is opened, and can prevent that seawater from pouring in floating drum after top pressure closure locking.
As shown in Figure 1, Figure 2 and Figure 3, the two-tube floating offshore of the high density polyethylene (HDPE) proof sea culture net cage 1 that the present invention can be 40m～50m for original diameter, by the additional floating drum 2 that is hung with weight in its outside, the rope band 3 discharging by capstan winch in floating drum, by the weight 4 hanging to discharging (or mentioning to the water surface) under water, by rope 5 traction floating offshore proof sea culture net cages, sunk (or floating), and by rope 6, control the submergence depth of net cage.
The floating drum preparation method that cylinder and one endlap add cone is: by steel material shaping, being welded into diameter is 1000～1200mm, highly for the cylinder 7 of 1500mm and stack bottom surface, one end diameter are 1000～1200mm, it is highly the housing of 500mm cone 8, comprising along cylinder and cone axis direction, the equal leg angle stress frame 9 that is 50mm * 50mm * 5mm in equally distributed four specifications of cylinder surrounding, at cylinder two ends and the band steel stress frame 10 that is 50mm * 5mm by four circular specifications of the impartial three minutes positions of cylinder, two beckets that expose 11 of symmetrical socket on housing inclined-plane, floating drum cone one end, in order to whip gang rope, at floating drum cylinder top 1/3rd sections, be linked and packed one and be parallel to the square corner steel bracket 12 that cross section, specification are 707mm * 707mm～848mm * 848mm with equally distributed four angle steel 9 of cylinder surrounding, under floating drum cylinder 2/3rds parts and stack cone along shaft core position, a upper end to be installed be that horn-like opening, specification are D100mm(external diameter) * 10mm(wall thickness) * 1500mm(length) ultra-high molecular weight polyethylene rope band folding and unfolding tube seat 13.Floating drum cylinder top three/part, inside four angle steel materials that distribute along cylinder surrounding, one section of specification of lining is D900mm～1100mm(external diameter) * 10mm(wall thickness) * 500mm(length) and high density polyethylene (HDPE) (HDPE) pipe ring 14, pipe ring outside take polystyrene hard obturator-type porous plastics 15 be filled to thickness as 50mm, with the cylinder of four angle steel material outers that distribute along cylinder surrounding on the same face of cylinder; Under cylinder 2/3rds and stack cone internal cavities, with polystyrene hard obturator-type porous plastics 15, fill four angle steel material outers becoming and distribute along cylinder surrounding at the shape body of the same face of cylinder and centrum face equally; Then, adopt polymer matrix composites, take hand pasting forming method or filament winding process to make the coated shell body 16 of glass-reinforced plastic material that thickness is 5mm.
Square corner steel bracket 12 at 1/3rd places, cylinder upper end, installs electric capstan or hand winch device 17; On capstan winch, reel super-macromolecule polyethylene rope or braiding banding pattern band 18, and introduce under sea through rope band folding and unfolding tube seat 13, the lower end of band connects the metal hook 19 being convenient to operation, in order to articulate the becket bridle of ball-type tup and traction net cage.On the cylinder of floating drum, top is equipped with the top pressure closure 20 that can open or lock, is convenient to the operation and maintenance of band coiling capstan winch in floating drum.
Embodiment 1
For original diameter, it is the two-tube floating offshore of the high density polyethylene (HDPE) proof sea culture net cage that 40m, the degree of depth are 8m, its high density polyethylene pipe specification as buoyancy framework is D250mm(external diameter) * 10mm(wall thickness), the about 80m of high density polyethylene pipe total length after two-tube welding fabrication, float=ρ seawater gV of its gross buoyancy F, V=3.9m wherein
3, gross buoyancy is about 39kN; Conventional cultivation net cage sinker counterweight is about 7～9kN; The net buoyancy of this specification floating offshore proof sea culture net cage is about 30kN.
The present invention relates to floating drum, its cylinder diameter is 1000mm, highly for 1500mm, and the bottom surface diameter of one end stack cone is 1000mm, highly is 500mm, every can displacement of volume V=1.3m
3, buoyancy is about 13kN; Under floating drum, hang the cast iron weight that in water, weight is 10kN.Before use, after bank is hung under floating drum by cast iron weight, with workboat, drags it to floating offshore proof sea culture net cage marine site is set; At diameter, be square anchoring rope four jiaos of interface point places of frame, the two-tube floating offshore of high density polyethylene (HDPE) proof sea culture net cage outside that 40m, the degree of depth are 8m, with rope, be connected with the becket being equipped with on housing inclined-plane, floating drum cone one end, making floating drum to the distance of the two-tube buoyancy frame of floating offshore proof sea culture net cage high density polyethylene (HDPE) is 10m; After the framework whipping of another becket 11 being equipped with on housing inclined-plane, floating drum cone one end and the two-tube floating offshore of high density polyethylene (HDPE) proof sea culture net cage being connected with rope (its length is 14m), again this point is connected with the ring whipping that articulates of assembling on cast iron weight with rope (its length is 10m), completes four outer additional extensions that are hung with weight floating drum.
While implementing the additional traction sedimentation operation outward of the two-tube floating offshore of high density polyethylene (HDPE) proof sea culture net cage, the band coiling capstan winch in operation floating drum, discharges the cast iron weight hanging under floating drum, by it, by cable traction net cage, is sunk.The net buoyancy of net cage is 30kN, on average to four floating drum, and the sinking balancing gravity of weight that every floating drum hangs is 7.5kN.When band discharges length and reaches 9m, in water, weight is that the sinking gravity of 10kN weight is greater than 7.5kN, and net cage starts to sink; Continue to discharge weight downwards, when band release length reaches 18m, the submergence depth of the framework of net cage reaches 10m, and reaches tensioning state for controlling the rope of the submergence depth of net cage; Continue again to discharge weight downwards, when band release length reaches 19m, the framework of net cage is by the rope horizontal suspension of four floating drums and 10m water layer, the sinking gravity of weight that every floating drum discharges reaches 8.5kN, formation is respectively 5.2kN along the tension force of cross horizontal radiation direction, thereby by controlling the rope of net cage submergence depth and the rope that traction net cage sinks, maintenance net cage is the stability under water and under seawater velocity impact at 10m.
Embodiment 2
Be analogous to embodiment 1, for original diameter, it is the two-tube floating offshore of the high density polyethylene (HDPE) proof sea culture net cage that 50m, the degree of depth are 8～10m, its high density polyethylene pipe specification as buoyancy framework is D250mm(external diameter) * 10mm(wall thickness), the about 100m of high density polyethylene pipe total length after two-tube welding fabrication, its gross buoyancy is about 49kN; The net buoyancy that fish culture net cage sinker counterweight 9kN calculates is routinely about 40kN.
This embodiment floating drum, the bottom surface diameter of its cylinder diameter and one end stack cone is other parameter of 1200mm(with embodiment 1), every can the about V=1.9m of displacement of volume
3, buoyancy is about 19kN; Under floating drum, hang the cast iron weight that in water, weight is 15kN.With embodiment one, complete four outer additional extensions that are hung with weight floating drum.
The net buoyancy of this embodiment net cage is 40kN, on average to four floating drum, and the sinking balancing gravity of weight that every floating drum hangs is 10kN.When band discharges length and is greater than 7.2m, in water, weight is that the sinking gravity of 15kN weight is greater than 10kN, and net cage starts to sink; Continue to discharge weight downwards, when band release length reaches 17m, the submergence depth of the framework of net cage reaches 10m; When band release length reaches 18m, the framework of net cage is by the rope horizontal suspension of four floating drums and 10m water layer, the sinking gravity of weight that every floating drum discharges reaches 11kN, formation is respectively 10kN along the tension force of cross horizontal radiation direction, by controlling the rope of net cage submergence depth and the rope that traction net cage sinks, maintenance net cage is the stability under water and under seawater velocity impact at 10m.
Be not difficult to find, the present invention makes the safe sedimentation of floating offshore proof sea culture net cage energy by outer additional mode, floating, make not possess the floating offshore proof sea culture net cage of sedimentation and floating function, when meeting with severe sea conditions, especially typhoon and red tide can safety before arriving, steadily sink under the water, when sea conditions is recovered normal condition, can steadily float and keep often floating on sea condition, can embody the features such as floating offshore proof sea culture net cage cultivation operation and convenient management, can make again floating offshore proof sea culture net cage meet with typhoon, when the disastrous weather such as red tide and sea situation, by outer additional approaches, make net cage be settled down to the position to facility and cultured fishes safety under water, reduce the disastrous loss that floating offshore proof sea culture net cage is produced.
Claims (6)
1. an outer additional towed offshore marine mesh cage apparatus for controlling of lifting, comprises floating drum (2), it is characterized in that, is provided with for the outer capstan arrangement (17) of putting with rolling of the band of reeling (18) in described floating drum (2); Described capstan arrangement (17) has rope band folding and unfolding tube seat (13); On described capstan arrangement (17), be wound with band (18); Described band (18) through described rope band folding and unfolding tube seat (13) pass described floating drum (2), and with for drawing the weight (4) of offshore proof sea culture net cage (1) sedimentation, be connected; Described floating drum (2) comprises cylinder stack shell (7) and cone bottom (8); Described cone bottom (8) is arranged on cylinder stack shell (7) lower end; The described cone bottom floor space of (8) and the floor space of cylinder stack shell (7) equate; Described cylinder stack shell (7) surrounding is distributed with four stress frames (9); Described cylinder stack shell (7) is divided into three layers by four circular stress frames (10); Described cylinder stack shell (7) top 1/3rd sections are provided with a square corner steel bracket (12); Four stress frames of cylinder stack shell (7) surrounding are aimed at respectively on four summits of described square corner steel bracket (12); Described capstan arrangement (17) is installed on described square corner steel bracket (12); Described rope band folding and unfolding tube seat (13) is arranged on the shaft core position of described cylinder stack shell (7) and cone bottom (8); The upper end of described rope band folding and unfolding tube seat (13) is bell mouth shape, and the top of described bell mouth shape is positioned at 2/3rds to 1/2nd places on cylinder stack shell (7) top; One section of pipe ring of inner side lining (14) of four stress frames (9) that described cylinder stack shell (7) top three/part distributes along cylinder stack shell (7) surrounding, described pipe ring (14) outside is filled to and the cylinder of stress frame (9) outer on the same face of cylinder with hard obturator-type porous plastics (15).
2. outer additional towed offshore marine mesh cage apparatus for controlling of lifting according to claim 1, it is characterized in that, in the cavity of described cylinder stack shell (7) bottom 2/3rds parts and cone bottom (8), be filled with hard obturator-type porous plastics (15).
3. outer additional towed offshore marine mesh cage apparatus for controlling of lifting according to claim 1, it is characterized in that, the inclined-plane of described cone bottom (8) is provided with at least two symmetrical stress frames, and on described two stress frames, cover has two beckets that expose (11) respectively.
4. outer additional towed offshore marine mesh cage apparatus for controlling of lifting according to claim 1, is characterized in that, described cylinder stack shell (7) upper end is equipped with top pressure closure (20).
5. according to the outer additional towed offshore marine mesh cage apparatus for controlling of lifting described in arbitrary claim in claim 1-4, it is characterized in that, the lower end of described band (18) is provided with hook (19); On described hook (19), be hung with described weight (4).
6. an outer additional towed offshore marine mesh cage lift control method, is characterized in that, comprises the following steps:
(1) floating offshore proof sea culture net cage outside square anchoring rope four jiaos of interface point places of frame be attached with respectively one as claim 1-5 in control device as described in arbitrary claim;
(2) utilize rope that floating offshore proof sea culture net cage framework is connected with weight with floating drum respectively;
(3) by floating drum, to seabed direction, discharge weight, by weight, draw described floating offshore proof sea culture net cage and sink.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210292969.1A CN102823524B (en) | 2012-08-16 | 2012-08-16 | External tractive lifting-control device and method for offshore cages |
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| CN201210292969.1A CN102823524B (en) | 2012-08-16 | 2012-08-16 | External tractive lifting-control device and method for offshore cages |
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| CN102823524B true CN102823524B (en) | 2014-03-12 |
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| CN106416863A (en) * | 2016-09-30 | 2017-02-22 | 贵州尚品源农业科技有限公司 | Method for promoting growth of rice by loaches in paddy field |
| CN106973835B (en) * | 2017-05-26 | 2022-04-19 | 清华大学深圳研究生院 | Deep water aquaculture net cage |
| FR3098087B1 (en) * | 2019-07-01 | 2022-12-30 | Earl Cambon Et Fils | Box, column and bivalve farming process |
| CN110731287B (en) * | 2019-10-31 | 2021-09-28 | 上海埃威航空电子有限公司 | Deep and open sea aquaculture net cage automatic adjusting system and method based on ocean data perception |
| CN112493189B (en) * | 2020-11-19 | 2022-03-29 | 浙江海洋大学 | Automatic sedimentation system of deep sea net cage |
| CN112841103B (en) * | 2021-03-18 | 2022-11-08 | 美钻能源科技(上海)有限公司 | Buoyancy-adjustable marine aquaculture net cage and underwater control device thereof |
| CN113016686B (en) * | 2021-04-13 | 2023-02-10 | 烟台中集蓝海洋科技有限公司 | Net cage monitoring equipment's cloth system of putting |
| CN114837227B (en) * | 2022-04-13 | 2022-12-30 | 浙江大学 | Skirt-type anti-settlement structure and method special for ocean |
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| US5412903A (en) * | 1994-02-17 | 1995-05-09 | Mefalim Ymiem Vashkoht Ltd. | Sea cage fish farming system |
| CN102017903A (en) * | 2009-09-14 | 2011-04-20 | 中国水产科学研究院东海水产研究所 | High-density polythene frame gravity type net cage lifting control method |
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| US5412903A (en) * | 1994-02-17 | 1995-05-09 | Mefalim Ymiem Vashkoht Ltd. | Sea cage fish farming system |
| CN102017903A (en) * | 2009-09-14 | 2011-04-20 | 中国水产科学研究院东海水产研究所 | High-density polythene frame gravity type net cage lifting control method |
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