CN103782937A - Deepwater net cage lifting system - Google Patents
Deepwater net cage lifting system Download PDFInfo
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- CN103782937A CN103782937A CN201410027407.3A CN201410027407A CN103782937A CN 103782937 A CN103782937 A CN 103782937A CN 201410027407 A CN201410027407 A CN 201410027407A CN 103782937 A CN103782937 A CN 103782937A
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- sinker
- net cage
- float
- chamber
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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 relates to a deepwater net cage lifting system comprising a sinker, a floater, a gas filled pipeline and multiple sinker lifting devices, wherein the gas filled pipeline is used for connecting the sinker and the floater. The sinker lifting devices are used for hanging the sinker under a net cage through mooring ropes, and the floater floats on the water surface. The floater comprises a shell, a gas generating device and a reversing valve, wherein the gas generating device comprises a gas bag and heaters. The net cage submerges through the mode that the reversing valve is controlled to inject water into the sinker and floats upwards through the mode that the gas generating device is controlled to enable the gas bag to be swelled to extrude gas, so that the gas is injected into the sinker. The deepwater net cage lifting system can freely control the net cage to float upwards or submerge remotely so that the net cage can resist to wind waves and can be prevented from being turned sideward in the process of upward floating or submerging. In addition, new energy is comprehensively used for generating power and for supplying electric energy to the deepwater net cage lifting system, and the utilization rate of the energy is improved.
Description
Technical field
The invention belongs to mariculture field, be specifically related to a kind of deep water mesh cage jacking system.
Background technology
Seawater cage culture fishery develop the strong development that promotes China's fishery economic rapidly, but carry out high-density breeding at shallow sea water and inner bay for a long time and caused many-sided problems such as water quality deterioration, environmental pollution, quality of fish decline, disease increases, shallow water cage culture is difficult to sustainable development.Thereby the more and more necessary of carrying out deep-water net cage culture at open deep water sea area is outstanding.
At deep water sea area, stormy waves is generally larger, and especially China East Sea and the South Sea are in typhoon hotspots, and stormy waves is especially obvious on the impact of deep-water net cage culture.For guaranteeing the safety of the cultivation shoal of fish, deep water mesh cage must have reliable wind wave resistance performance.At present, deep water mesh cage adopts following two kinds of modes to resist stormy waves conventionally: a kind of is structural strength and the anchor architecture opposing stormy waves that deep water mesh cage utilizes self framework; Another kind is in the time running into high sea, and deep water mesh cage dive is hidden stormy waves to certain depth under water, reduces the impact of stormy waves on net cage, guarantees the safety of net cage.
If deep water mesh cage utilizes structural strength and the anchor architecture of self framework to resist stormy waves, higher to the requirement of strength of deep water mesh cage self structure.If the seakeeping that deep water mesh cage meets with exceedes its wind wave resistance grade, the impaired risk of deep water mesh cage is very big.
If stormy waves is resisted in the deep water mesh cage employing dive extremely under water mode of certain depth, lower to the requirement of strength of deep water mesh cage self structure, can resist the stormy waves of higher level simultaneously.The lifting in seawater of existing deep water mesh cage is to realize by water filling in the float tube to deep water mesh cage, draining.When deep water mesh cage dive, to the float tube water filling that is arranged in deep water mesh cage frame roof, controlled by many sleeving valves road to each section of float tube water filling.In the injecting process, easily there is the each section of unbalanced problem of float tube water filling, make deep water mesh cage centre-of gravity shift, easily turn on one's side, be difficult to guarantee the steady dive of deep water mesh cage.In addition, in float tube, after water filling, in deep water mesh cage center of gravity, move, more easily cause net cage rollover, and deep water mesh cage dischargeable capacity in dive process is greatly reduced, very easily cause the damage of cultured fishes.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of deep water mesh cage jacking system, this deep water mesh cage jacking system can make the automatic dive of net cage or floating by controlled in wireless, and in the process of net cage dive or floating, can avoid net cage centre-of gravity shift, prevent net cage rollover.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of deep water mesh cage jacking system, comprises sinker, float and connects sinker and the gas ducting of float, some cover sinker elevators, described sinker elevator by hawser by described sinker hang on net cage under, described buoys float is on the water surface.Described float comprises housing and gas generating unit, described gas generating unit comprises air bag and heater, between the inner surface of described air bag and the housing of described float, form an airtight chamber, this chamber is gas generating chamber, and described heater is arranged in described gas generating chamber.
Further, described float also comprises TRT, control system, radio receiver-transmitter, reversal valve, intake valve and plenum chamber, described control system is electrically connected with described gas generating unit, TRT, radio receiver-transmitter, reversal valve respectively, and described reversal valve is connected with described gas ducting, plenum chamber, external environment condition respectively.The confined space that the outer surface that described plenum chamber is described air bag and the housing of described float surround, gassy in described plenum chamber.Described plenum chamber is communicated with extraneous air environment facies by described intake valve.
Further, described sinker inside is provided with water filling chamber, and the housing of described sinker is provided with water injection hole, and described water filling chamber is connected with external environment condition by described water injection hole.Described water filling chamber is connected with described reversal valve by described gas ducting.
Further, described sinker elevator is uniformly distributed in net cage top.Described sinker elevator comprises Worm Wheel System pair, sleeve, the first pulley and the second pulley, and described the first pulley is installed on net cage top, and the second pulley is installed on net cage bottom.Described Worm Wheel System pair comprises worm gear and worm screw, and described sleeve and described worm gear are integral type structure.Described sleeve is wound with the hawser being connected with described sinker.
Further, described reversal valve is three position three-way change valve, and this three position three-way change valve comprises A mouth, B mouth and C mouth, and its duty position comprises N position, meta and S position.Described A mouth is connected with described gas ducting, and described B mouth is connected with described plenum chamber, and described C mouth is connected with sea external environment condition.
Further, described TRT comprises device of solar generating and ocean current energy generator, and described device of solar generating, ocean current energy generator are all electrically connected with described control system.
Further, described control system comprises master controller and accumulator, the electric energy of TRT output described in described battery stores, and described accumulator provides electric energy for each consumer.
Further, described deep water mesh cage jacking system also comprises auxiliary float and several anti-dumping floats, and described gas ducting is suspended on described auxiliary float, and described anti-dumping float is arranged in around net cage top.Between two described anti-dumping floats, be closely aligned together, form spill space.
Further, described sinker is also provided with injecting hole, and described injecting hole is near the top of described water filling chamber, and described gas ducting is connected with described water filling chamber by described injecting hole.Described water injection hole is near the bottom of described water filling chamber.
Further, in described gas generating chamber, be provided with the chemical substance that solids-gases conversion reaction can occur.On described sinker, be also provided with balance weight body.
Adopt the present invention to there is following beneficial effect:
1, deep water mesh cage jacking system of the present invention, while controlling net cage dive, makes gas pipeline one end be communicated with extraneous air environment facies by controlling reversal valve; Because the gas pipeline other end is connected with outside deepwater environment, form pressure reduction at the two ends of gas pipeline, under deep water Water Pressure, in trend sinker, inject seawater, rely on seawater to conduct oneself with dignity and just can complete the dive of net cage, simple to operate, save the energy.
2, deep water mesh cage jacking system of the present invention, controls net cage when floating, produces pressure by gas inject sinker by the solids-gases conversion reaction of chemical substance, relies on self buoyancy to complete the floating of net cage.The chemical substance of this solids-gases conversion reaction can recycle, and does not need to use traditional aerogenesis and exhaust equipment.
3, deep water mesh cage jacking system of the present invention, uses device of solar generating and ocean current energy generator for consumer provides electric energy, has improved energy utilization rate, has solved marine powerup issue simultaneously.In addition, also use radio receiver-transmitter, dive or floating that can Long-distance Control net cage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of deep water mesh cage jacking system of the present invention embodiment;
Fig. 2 is the Floater Structure schematic diagram of a kind of deep water mesh cage jacking system of the present invention embodiment;
Fig. 3 is the reversal valve operation principle schematic diagram of a kind of deep water mesh cage jacking system of the present invention embodiment;
Fig. 4 is the sinker lifting device structure schematic diagram of a kind of deep water mesh cage jacking system of the present invention embodiment;
Fig. 5 is the sinker structural representation of a kind of deep water mesh cage jacking system of the present invention embodiment;
Fig. 6 is that the anti-dumping float of a kind of deep water mesh cage jacking system of the present invention embodiment is arranged schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
With reference to accompanying drawing 1 to Fig. 6.A kind of deep water mesh cage jacking system, comprise gas ducting 60, the quadruplet sinker elevator 30 of sinker 10, float 20 and connection sinker 10 and float 20, described in quadruplet, sinker elevator 30 is uniformly distributed in net cage top surrounding, the described sinker elevator 30 of every cover is connected with described sinker 10 by hawser, by described sinker 10 hang on net cage under, described float 20 swims on the water surface.
Described float 20 comprises gas generating unit, TRT, control system 26, radio receiver-transmitter 23, reversal valve 24, intake valve 27 and plenum chamber 25, described control system 26 is electrically connected with described gas generating unit, TRT, radio receiver-transmitter 23, reversal valve 24 respectively, and described plenum chamber 25 is communicated with extraneous air environment facies by described intake valve 27.
Described gas generating unit comprises air bag 21 and heater 22, between the inner surface of described air bag 21 and the housing of described float 20, forms an airtight chamber, and this chamber is gas generating chamber 211, and described heater 22 is arranged in described gas generating chamber 211.The confined space that the outer surface that described plenum chamber 25 is described air bag 21 and the housing of described float 20 surround, gassy in described plenum chamber 25.
In described gas generating chamber 211, be full of the chemical substance that solids-gases conversion reaction can occur, as NaHCO
3chemical substances such as (sodium bicarbonates).NaHCO
3solids-gases conversion reaction equation be:
In above formula, in the time that temperature range is a, chemical reaction carries out to the right, will produce a large amount of CO
2(carbonic acid gas) gas, heaves described air bag 21; In the time that temperature range is b, chemical reaction carries out left, CO
2(carbonic acid gas) gas reduces, and described air bag 21 is shunk.
Described sinker 10 inside are provided with water filling chamber 11, and the housing of described sinker 10 is provided with water injection hole 12 and injecting hole 13, and described water filling chamber 11 is connected with external environment condition by described water injection hole 12.Described gas ducting 60 stretches into described injecting hole 13 and is connected with described water filling chamber 11.Described injecting hole 13 is near the top of described water filling chamber 11, and described water injection hole 12 is near the bottom of described water filling chamber 11.The object of the Position Design of described water injection hole 12 and described injecting hole 13 is: when injecting seawater in described water filling chamber 11, seawater injects from 11 bottoms, described water filling chamber, and gas flows out from 11 tops, described water filling chamber; To in described water filling chamber 11 when injecting gas, gas injects from described water filling chamber 11 top base, and seawater flows out from 11 bottoms, described water filling chamber.
Described reversal valve 24 is three position three-way change valve, and this three position three-way change valve comprises A mouth, B mouth and C mouth, and its duty position comprises N position, meta and S position.Described A mouth is connected with described gas ducting 60, and described B mouth is connected with described plenum chamber 25, and described C mouth is connected with external environment condition.If described reversal valve 24 is operated in N position, conducting between A mouth and B mouth, is connected the water filling chamber 11 of described sinker 10 and the plenum chamber 25 of described float 20; If described reversal valve 24 is operated in S position, conducting between A mouth and C mouth, makes the water filling chamber 11 of described sinker 10 be connected with sea external environment condition; If described reversal valve 24 is operated in meta, A mouth, B mouth and all not conductings of C.
Described TRT comprises device of solar generating 41 and ocean current energy generator 42, and described device of solar generating 41, ocean current energy generator 42 are all electrically connected with described control system 26.Described control system 26 comprises master controller and accumulator, the electric energy of TRT output described in described battery stores, and described accumulator provides electric energy for each consumer.Described master controller carries out data and command transfer by described radio receiver-transmitter 23 with remote user terminals, remote user terminals can far distance controlled described in master controller complete dive or the floating action of net cage, the working condition information that also can inquire about at a distance deep water mesh cage jacking system.
Described sinker elevator 30 comprises Worm Wheel System pair, sleeve 31, the first pulley 32 and the second pulley 33, and described the first pulley 32 is installed on net cage top, and the second pulley 33 is installed on net cage bottom.Described Worm Wheel System pair comprises worm gear 34 and worm screw 35, and described sleeve 31 and described worm gear 34 are integral type structure.
Described sleeve 31 is wound with the hawser being connected with described sinker 10, by rotating the handle on described sleeve 31, can regulate the coiling length of hawser at described sleeve 31, thereby has regulated the distance between described sinker 10 and net cage bottom.When after net cage dive, the submerged depth of net cage equals seabed depth and deducts the distance between net cage bottom and described sinker 10, therefore the submerged depth that the distance between regulating bottom described sinker 10 and net cage just can indirect regulation net cage.Adopt the object of Worm Wheel System pair to be: Worm Wheel System pair has auto-lock function, after the distance of adjusting between described sinker 10 and net cage bottom, the secondary self-locking of Worm Wheel System, fixes the position of described sinker 10 relative net cages.
Regulate equably the described sinker elevator 30 of every cover, make described sinker 10 be positioned at net cage under, the center of gravity line of net cage and the center of gravity line of described sinker 10 are coincided.Meanwhile, on described sinker 10, be also provided with balance weight body 14, described deep water mesh cage jacking system is also provided with several anti-dumping floats 52, and described anti-dumping float 52 is arranged in around net cage top equably.Between multiple described anti-dumping floats 52, be closely aligned together, described anti-dumping float 52 forms between any two spill space or is referred to as humanoid space, shown in D in Fig. 6, when net cage has when tendency of toppling, the spill space that is about to leave the water surface can produce suction due to vacuum action, net cage is toppled and hindered, thereby prevent that net cage from further toppling.
Under the self gravitation of described sinker 10, and under the buoyancy of described anti-dumping float 52, make in process that no matter net cage still float in dive, center of gravity can not be offset all the time, and can not produce and topple or turn on one's side phenomenon.Meanwhile, the self gravitation of described sinker 10 also can guarantee that net cage is indeformable, and its dischargeable capacity is not reduced.
Described deep water mesh cage jacking system is also provided with auxiliary float 51, described gas ducting 60 is suspended on described auxiliary float 51, described auxiliary float 51 plays the effect of supporting described gas ducting 60, avoids described gas ducting 60 to drift about everywhere, reduces the impaired risk of described gas ducting 60.Meanwhile, described gas ducting 60 need have enough length, make in the time of net cage dive described in float 20 swim in all the time on the water surface.
The operation principle of deep water mesh cage jacking system of the present invention is as follows:
1) net cage dive
Remote user terminals sends dive instruction to described master controller, and reversal valve 24 works in S position described in described main controller controls, and now, conducting between the A mouth of described reversal valve 24 and C mouth, makes the water filling chamber 11 of described sinker 10 be connected with sea external environment condition.Simultaneously, described water filling chamber 11 is also connected with deep water external environment condition, therefore under the effect of outside seawater pressure, seawater injects described water filling chamber 11 by described water injection hole 12, seawater pushes the gas in described water filling chamber 11, makes original gas in described water filling chamber 11 flow out to sea external environment condition from described injecting hole 13 by described gas ducting 60.
Finally, in described water filling chamber 11, fill seawater, under self gravitation effect, described sinker 10 drives net cage dive.
2) net cage floating
Remote user terminals sends floating instruction to described master controller, described in described main controller controls, heater 22 heats, the temperature of described gas generating chamber 211 is reached in certain temperature range, in this temperature range, chemical substance in described gas generating chamber 211 can produce chemical reaction and generate gas, and described air bag 21 is expanded.
In addition, reversal valve 24 works in N position described in described main controller controls, and now, conducting between the A mouth of described reversal valve 24 and B mouth, is connected the water filling chamber 11 of described sinker 10 and the plenum chamber 25 of described float 20.Because expanding, described air bag 21 pushes described plenum chamber 25, gas pressure in described plenum chamber 25 is increased, and then, gases at high pressure push seawater and enter described water filling chamber 11 from described gas ducting 60, and the seawater in described water filling chamber 11 is extruded into external environment condition by gas from described water injection hole 12.
Finally, gassy in described water filling chamber 11, the overall buoyancy of net cage and sinker 10 etc. is greater than self gravitation, net cage floating.
3) net cage dive preparation again
After net cage floating, reversal valve 24 works in meta described in described main controller controls, maintains gas in described water filling chamber 11 and does not leak.Afterwards, described master controller is opened intake valve 27, and controls described heater 22 and make the temperature of described gas generating chamber 211 be adjusted to the temperature range of the chemical reaction that can consume gas.Now, described air bag 21 shrinks, and the gas of external environment condition enters described plenum chamber 25 from described intake valve 27.Treat that described plenum chamber 25 returns to reset condition, described master controller cuts out described intake valve 27, waits for dive control instruction again.
Claims (10)
1. a deep water mesh cage jacking system, it is characterized in that: this deep water mesh cage jacking system comprises sinker (10), float (20) and connects gas ducting (60), some cover sinker elevators (30) of sinker (10) and float (20), described sinker elevator (30) by hawser by described sinker (10) hang on net cage under, described float (20) swims on the water surface; Described float (20) comprises housing and gas generating unit, described gas generating unit comprises air bag (21) and heater (22), between the housing of the inner surface of described air bag (21) and described float (20), form an airtight chamber, this chamber is gas generating chamber (211), and described heater (22) is arranged in described gas generating chamber (211).
2. according to a kind of deep water mesh cage jacking system claimed in claim 1, it is characterized in that: described float (20) also comprises TRT, control system (26), radio receiver-transmitter (23), reversal valve (24), intake valve (27) and plenum chamber (25), described control system (26) is electrically connected with described gas generating unit, TRT, radio receiver-transmitter (23), reversal valve (24) respectively, and described reversal valve (24) is connected with described gas ducting (60), plenum chamber (25), external environment condition respectively; The confined space that the outer surface that described plenum chamber (25) is described air bag (21) and the housing of described float (20) surround, gassy in described plenum chamber (25); Described plenum chamber (25) is communicated with extraneous air environment facies by described intake valve (27).
3. according to a kind of deep water mesh cage jacking system claimed in claim 2, it is characterized in that: described sinker (10) inside is provided with water filling chamber (11), the housing of described sinker (10) is provided with water injection hole (12), and described water filling chamber (11) is connected with external environment condition by described water injection hole (12); Described water filling chamber (11) is connected with described reversal valve (24) by described gas ducting (60).
4. according to a kind of deep water mesh cage jacking system claimed in claim 3, it is characterized in that: described sinker elevator (30) is uniformly distributed in net cage top; Described sinker elevator (30) comprises Worm Wheel System pair, sleeve (31), the first pulley (32) and the second pulley (33), and described the first pulley (32) is installed on net cage top, and the second pulley (33) is installed on net cage bottom; Described Worm Wheel System pair comprises worm gear (34) and worm screw (35), and described sleeve (31) and described worm gear (34) are integral type structure; Described sleeve (31) is wound with the hawser being connected with described sinker (10).
5. according to a kind of deep water mesh cage jacking system described in claim 3 or 4, it is characterized in that: described reversal valve (24) is three position three-way change valve, and this three position three-way change valve comprises A mouth, B mouth and C mouth, and its duty position comprises N position, meta and S position; Described A mouth is connected with described gas ducting (60), and described B mouth is connected with described plenum chamber (25), and described C mouth is connected with sea external environment condition.
6. according to a kind of deep water mesh cage jacking system claimed in claim 5, it is characterized in that: described TRT comprises device of solar generating (41) and ocean current energy generator (42), described device of solar generating (41), ocean current energy generator (42) are all electrically connected with described control system (26).
7. according to a kind of deep water mesh cage jacking system claimed in claim 6, it is characterized in that: described control system (26) comprises master controller and accumulator, the electric energy of TRT output described in described battery stores, described accumulator provides electric energy for each consumer.
8. according to a kind of deep water mesh cage jacking system described in claim 6 or 7, it is characterized in that: described deep water mesh cage jacking system also comprises auxiliary float (51) and several anti-dumping floats (52), it is upper that described gas ducting (60) is suspended on described auxiliary float (51), and described anti-dumping float (52) is arranged in around net cage top; Between two described anti-dumping floats (52), be closely aligned together, form spill space.
9. according to a kind of deep water mesh cage jacking system claimed in claim 8, it is characterized in that: described sinker (10) is also provided with injecting hole (13), described injecting hole (13) is near the top of described water filling chamber (11), and described gas ducting (60) is connected with described water filling chamber (11) by described injecting hole (13); Described water injection hole (12) is near the bottom of described water filling chamber (11).
10. according to a kind of deep water mesh cage jacking system claimed in claim 9, it is characterized in that: described gas generating chamber is provided with the chemical substance that solids-gases conversion reaction can occur in (211); On described sinker (10), be also provided with balance weight body (14).
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| CN201410027407.3A CN103782937B (en) | 2014-01-21 | 2014-01-21 | A kind of deep water mesh cage jacking system |
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| CN201410027407.3A CN103782937B (en) | 2014-01-21 | 2014-01-21 | A kind of deep water mesh cage jacking system |
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| CN103782937A true CN103782937A (en) | 2014-05-14 |
| CN103782937B CN103782937B (en) | 2015-09-30 |
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Cited By (11)
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| CN104285858A (en) * | 2014-09-19 | 2015-01-21 | 浙江海洋学院 | Lifting type shellfish culture device |
| CN104542396A (en) * | 2014-12-31 | 2015-04-29 | 浙江海洋学院 | Waterproof remote control inflating floating valve |
| CN104872018A (en) * | 2015-05-20 | 2015-09-02 | 孟庆牛 | Movable suspension aquaculture cage for large underwater animal |
| CN106571614A (en) * | 2016-10-30 | 2017-04-19 | 陈勇 | Underwater wire connection waterproof device with mouth of inverted jar always facing downward when being put in water |
| CN106769160A (en) * | 2016-11-19 | 2017-05-31 | 浙江大学 | The autonomous samplers of Quan Haishen are instantaneously expanded from recovery type levitating device |
| CN108353835A (en) * | 2018-03-28 | 2018-08-03 | 青岛中乌特种船舶研究设计院有限公司 | A kind of far-reaching extra large floatable net cage system and the method that rises and falls |
| CN108496864A (en) * | 2018-06-11 | 2018-09-07 | 上海海洋大学 | A kind of gyro float type wind wave prevention deep water mesh cage |
| CN109548727A (en) * | 2018-11-19 | 2019-04-02 | 浙江海洋大学 | Deep water mesh cage with Pulley lift structure |
| CN110446429A (en) * | 2016-10-19 | 2019-11-12 | 欧泰系统株式会社 | Net-box breeding device |
| CN111670850A (en) * | 2020-06-18 | 2020-09-18 | 浙江海洋大学 | Net cage capable of being lifted quickly |
| CN112493189A (en) * | 2020-11-19 | 2021-03-16 | 浙江海洋大学 | Automatic sedimentation system of deep sea net cage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104285858A (en) * | 2014-09-19 | 2015-01-21 | 浙江海洋学院 | Lifting type shellfish culture device |
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| CN104542396A (en) * | 2014-12-31 | 2015-04-29 | 浙江海洋学院 | Waterproof remote control inflating floating valve |
| CN104872018A (en) * | 2015-05-20 | 2015-09-02 | 孟庆牛 | Movable suspension aquaculture cage for large underwater animal |
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| CN106769160A (en) * | 2016-11-19 | 2017-05-31 | 浙江大学 | The autonomous samplers of Quan Haishen are instantaneously expanded from recovery type levitating device |
| CN108353835A (en) * | 2018-03-28 | 2018-08-03 | 青岛中乌特种船舶研究设计院有限公司 | A kind of far-reaching extra large floatable net cage system and the method that rises and falls |
| CN108496864A (en) * | 2018-06-11 | 2018-09-07 | 上海海洋大学 | A kind of gyro float type wind wave prevention deep water mesh cage |
| CN109548727A (en) * | 2018-11-19 | 2019-04-02 | 浙江海洋大学 | Deep water mesh cage with Pulley lift structure |
| CN109548727B (en) * | 2018-11-19 | 2021-08-24 | 浙江海洋大学 | Deepwater net cage with pulley lifting mechanism |
| CN111670850A (en) * | 2020-06-18 | 2020-09-18 | 浙江海洋大学 | Net cage capable of being lifted quickly |
| CN111670850B (en) * | 2020-06-18 | 2021-12-14 | 浙江海洋大学 | Net cage capable of being lifted quickly |
| CN112493189A (en) * | 2020-11-19 | 2021-03-16 | 浙江海洋大学 | Automatic sedimentation system of deep sea net cage |
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