CN102792946A - Disaster jellyfish emergency disposal method - Google Patents
Disaster jellyfish emergency disposal method Download PDFInfo
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- CN102792946A CN102792946A CN2012102885424A CN201210288542A CN102792946A CN 102792946 A CN102792946 A CN 102792946A CN 2012102885424 A CN2012102885424 A CN 2012102885424A CN 201210288542 A CN201210288542 A CN 201210288542A CN 102792946 A CN102792946 A CN 102792946A
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Abstract
The invention discloses a disaster jellyfish emergency disposal method. According to the disaster jellyfish emergency disposal method, a mode that an emergency disaster jellyfish mincing device and a jellyfish collection system are combined is adopted, wherein a hollow steel wire is arranged at the bottom of a drag net; when the drag net is driven to quickly advance by a ship, jellyfishes gathered at the bottom of the drag net are crushed by means of water flow impact pressure; at a region with relatively shallow water, the disaster jellyfish collection system is combined; a jellyfish collection passage designed in the disaster jellyfish collection system is positioned at an included angle formed by a W-shaped interception net; and on the tide, the jellyfishes are introduced into and gathered to the jellyfish collection passage by the interception net under the action of the tide and then are killed off in a centralized way. According to the disaster jellyfish emergency disposal method, a large number of disaster jellyfishes are effectively disposed, the ecological hazard of the jellyfishes can be reduced, and a quick, high-efficiency and convenient disposal effect can be performed on the jellyfish disaster which outbreaks rapidly.
Description
Technical field
The invention belongs to sea fishery device field, be specifically related to a kind of large-scale disaster jellyfish and rub device.
Background technology
In recent years; The jellyfish disaster has caused showing great attention to of each coastal state government of the world and researcher as a kind of novel ecological disaster; The focus that mechanism and emergency advance warning disposal technology become the marine ecology Disaster Study that breaks out about large jellyfish; Breaking out of large jellyfish not only influenced fish production, also destroyed food chain structure, causes the ecosystem unbalance.
At present, less for the disaster elimination and the method for disposal of large jellyfish both at home and abroad.There is the research to large jellyfish monitor and early warning system and method for disposal in Japan; Mainly be to utilize diversification means such as boats and ships monitoring, remote sensing monitoring, buoy monitoring, fishery market survey; At any time collection obtains the distribution situation of marine site large jellyfish; After these information vias gather and analyze, be treated to visual jellyfish real-time distribution and forecast information, in time be distributed to the fisherman at last and use the extra large masses with other.Except that large jellyfish being carried out the monitoring and prediction the Japanese removing that also has relevant departments to be responsible for large jellyfish.Usually within the 24h after monitoring a large amount of large jellyfish; Promptly set out ship; Use means interceptions such as set net, trawlnet, salvage the jellyfish crowd, but that Japan utilizes the above-mentioned means of simply strangling to handle the technology of large jellyfish in offshore marine sites (natural marine site) being still immature, mainly is to handle the inappropriate words of choose opportunities (before the jellyfish sexual maturity, to adopt physics rubbing method more suitable; But can not blindly rub after the jellyfish sexual maturity), can cause breaking out on a large scale of jellyfish in next year.
Nearly ten years, the jellyfish disaster also happened occasionally in China marine site, and it breaks out mechanism and the research of early warning emergency disposal is at the early-stage.Especially lack offshore and offshore marine site are carried out disaster jellyfish emergency disposal Study on Technology, lack and dispose the feasible technical support of disaster jellyfish.
Usually the offshore marine site is suitable adopts physical method disposal jellyfish to break out; For example salvaging mode, processing and eating or land-based area are buried because can be processed with at present the sea of sand that has only of edibility in the common disaster jellyfish of China and are bitten and the rosy clouds jellyfish; But the same economic worth with aurelia of its juvenile stage is lower; The salvaging cost of this mode is too high, more is not suitable for jellyfish offshore situation too far away.If near the bathing beach, blindly salvage, can cause jellyfish to block antenna and sting the visitor.
In addition, to industrial intake marine site jellyfish disaster disposal technology, also considered will be eradicated the jellyfish Xi shape body attached to the set thing attached to the jellyfish Xi shape body on the set things such as reef, structure as far as possible, prevents its breaking out in next year.And when handling the disaster jellyfish, also should consider whether influential to ecotope, remove problems such as effect is whether obvious.
At present; Still lack both at home and abroad to the research of offshore with bank ocean far away large jellyfish calamity emergency disposal technology; Device according to the invention and its method for using can be the sound development of strand tourist industry, the safe operation of strand power industry provides technical guarantee, to alleviate coastal area jellyfish harm, protect public health significant.
Summary of the invention
To ocean large jellyfish ecocatas-trophe, break out the problems such as economic loss that fishery, tourist industry, industry etc. are caused in order effectively to alleviate jellyfish, the present invention combines emergent disaster jellyfish to rub device and jellyfish gathering system.Can not use jellyfish rubbing device of the present invention to dispose for reaching sexually matured large-scale disaster jellyfish; Promptly in the trawlnet bottom wire of hollow out is installed, when boats and ships drive trawlnet was advanced fast, the dependence water flow impact pressure made the medusoma that accumulates in the trawlnet bottom broken; This mode can be handled the disaster jellyfish problem in most of marine site; But near the bathing beach of immediate offshore area or industrial intake, water body is more shallow relatively, for prevent jellyfish fracture antenna to the swimmer murder or medusoma to the obstruction of industrial intake; Use separately jellyfish to rub the poor effect of apparatus processes, thus the present invention to have set up disaster jellyfish gathering system in addition perfect.Disaster jellyfish gathering system comprises interception net, jellyfish collection channel etc.; The principle of its foundation is: the jellyfish collection channel is positioned at the angle that " W " type interception net forms; At the incoming tide, jellyfish is introduced and is focused in the jellyfish collection channel by the interception net under the trend effect; Concentrate then and kill jellyfish, this system can avoid stinging the visitor because of salvaging causes jellyfish to block antenna, can be reduced to the female sexual propagation chance of boiled water again.Preventing that large jellyfish from getting into outdoor bathing place and industrial intake, thereby ensure immediate offshore area people's water safety.
For disaster jellyfish emergence treating method, concrete technical scheme of the present invention is following: comprise and use disaster jellyfish rubbing device and jellyfish gathering system to handle the disaster jellyfish, wherein:
(1) the disaster jellyfish is rubbed device, comprises hawser, trawlnet and ball float:
The net bottom of trawlnet is provided with the net ring; Net ring set inside has justifies the steel wire that mind-set external radiation shape is arranged by oneself; Said trawlnet is the bag shape;
The network interface of said trawlnet is provided with two side guiding principles along the edge: side guiding principle I and side guiding principle II;
Each end of described side guiding principle I and side guiding principle II is connected with hawser respectively;
Can make the open web plate of trawlnet when being fixed with two uses on the described hawser: web plate I and web plate II; In the water under the duty, web plate I, web plate II are respectively in the place ahead of side guiding principle I, side guiding principle II; Web plate can decompose the impulsive force of seawater to network interface, can network interface opened simultaneously, plays the effect of water conservancy diversion.
Said web plate I is made up of fixed head and deflector, and fixed head is fixedly connected along side with deflector, and angle is the obtuse angle; Said web plate II is all identical with the size and the structure of web plate I;
The web plate I is connected on the hawser that is connected with side guiding principle I end; The web plate II is connected on the hawser that is connected with side guiding principle II end; The position that said web plate II and web plate I are fixed on the hawser is corresponding, and web plate II and web plate I are provided with in opposite directions, so that can trawlnet opened by current when using.
(2) described jellyfish gathering system comprises interception net, jellyfish collection channel and bubble generator, wherein:
The U-lag of jellyfish collection channel for surrounding by 3 faces, the U-lag opening is seashore dorsad; Opening two ends at U-lag are connected with the interception net respectively; Bottom at the jellyfish collection channel is provided with bubble generator;
(3) in jellyfish marine site of living in, disaster jellyfish rubbing device input is marine, use towboat tractive disaster jellyfish to rub the hawser of device, ship's speed is greater than 2kn;
At immediate offshore area the interception net is set, adjacent interception net is W shape and arranges; The interception net is collected into jellyfish in the jellyfish collection channel; The bubble that bubble generator produced that is arranged on jellyfish collection channel bottom floats to the water surface jellyfish, kills the jellyfish in the jellyfish collection channel at last.
For disaster jellyfish emergence treating method mentioned above; Under preferred situation: described (one) disaster jellyfish is rubbed in the device; The angle of fixed head I and deflector I is 150 °, and the angle of fixed head II and deflector II is 150 °, and the selection of angle angle influences network interface and opens efficient.
For disaster jellyfish emergence treating method mentioned above, under preferred situation: described (one) disaster jellyfish is rubbed in the device, also comprises the headline and the infraclass of equal in length; Raising to the higher plane of principle connects the upper end of side guiding principle I and side guiding principle II, and infraclass connects the lower end of side guiding principle I and side guiding principle II.To make that network interface is opened excessive for the effect of avoiding the web plate water conservancy diversion, respectively is provided with headline, infraclass in the upper and lower end parts of two side guiding principles, in order to the distance between the guiding principle of control both sides, thereby do not cause network interface to be torn.
For disaster jellyfish emergence treating method mentioned above, under preferred situation: described (one) disaster jellyfish is rubbed in the device, and four bights of said fixed head are respectively arranged with can pass the hawser and the fixing fixing hole of hawser.
For disaster jellyfish emergence treating method mentioned above, under preferred situation: described (one) disaster jellyfish is rubbed in the device, on said side guiding principle, also is connected with ball float respectively.The buoyancy of ball float is selected and will be confirmed according to the weight of trawlnet, side guiding principle and web plate.
For disaster jellyfish emergence treating method mentioned above, under preferred situation: described (one) disaster jellyfish is rubbed in the device, and described trawlnet length is 3 to 5 times of side guiding principle length.Long can the increasing of trawlnet twined jamming rate, and too short meeting reduces the jellyfish capture rate.
For disaster jellyfish emergence treating method mentioned above, under preferred situation: described (one) disaster jellyfish is rubbed in the device, and upper and lower guiding principle length is 1 ~ 3 times of side guiding principle length.The long meeting of the length of headline, infraclass increases the winding jamming rate and network interface opens efficient, too short meeting minimizing jellyfish capture rate.
For disaster jellyfish emergence treating method mentioned above, under preferred situation: described (one) disaster jellyfish is rubbed in the device, and described web plate is the PVC plate; The side guiding principle is a stainless steel tube; Headline, infraclass, hawser are steel wire rope; Described net ring is solid steel loop.
For disaster jellyfish emergence treating method mentioned above, under preferred situation: described (one) disaster jellyfish is rubbed in the device, and described net ring is an annular, and its external diameter is 400 ~ 600mm, and the annulus width is 15mm; Described steel wire diameter is 2mm; The size of net ring depends on the network interface width; More little being beneficial to more of steel wire diameter cut off medusoma, but steel wire diameter is too small then easily broken; Trawlnet aperture 100mm, the selection in trawlnet aperture mainly is to consider the medusoma size.
In disaster jellyfish emergence treating method mentioned above, under preferred situation: in described (two) jellyfish gathering system, described interception net is joined end to end by the side of monolithic net and constitutes.
Monolithic net of the present invention promptly tiles the back for rectangle, has been those skilled in the art's extensive use.
In the specific embodiment of the present invention; Monolithic web frame to using is aided with detailed description; The mesh size of monolithic net need be confirmed according to the size of disaster jellyfish build; The length of monolithic net and width need those skilled in the art according to the coastline length of breaking out the jellyfish disaster, sea water advancedly come to confirm that it is selected according to being that to net stretching height be 7/5 times of water depth for interception that the monolithic net is formed.
In disaster jellyfish emergence treating method mentioned above; Do not limit for the mode of killing jellyfish in (three) jellyfish gathering system is strict; Its reason is that the method that can supply those skilled in the art to select is a lot, it is considered herein that, if above-mentioned jellyfish collection channel opening part is added gate one; In the confined space that it is closed, adding biological agent again to kill jellyfish, is more effective processing mode.Therefore in following specific embodiment, having indicated employed biological agent is that Ascidian is clear, and it is available from Biochemical Engineering research institute of Dalian Chemical Research &. Design Inst. (foreign bio tech ltd is good in Dalian).The present invention tests the clear working concentration of Ascidian, concentration 0.3 * 10
-6" Ascidian is clear " in 24h, can kill jellyfish, infer the water body give-and-take conditions preferably the waters working concentration be lower than 3 * 10
-6" Ascidian is clear " is comparatively safe to ecotope.Those skilled in the art also can use other that marine eco-environment is influenced less biological agent in order to kill jellyfish under the prerequisite that does not break away from the present invention's design.
In addition, those skilled in the art can also do further improvement to the present invention according to following enlightenment:
1. in the relative more shallow marine site of water body, can also not use bubble generator, directly utilize interception net and jellyfish collection channel to collect jellyfish.
2. the jellyfish collection channel can also be designed to following several kinds of forms: the position near the bottom is narrow partially, near the wider shape in water surface position; Perhaps the position near the bottom replaces with baffle plate; Can also excavate by natural environment and form or the like, have certain volume as long as satisfy, its opening direction is seashore dorsad, and edge of opening nets with interception and be connected, and can collect jellyfish and get final product.
3. in order better to collect jellyfish, can also set up the net of a bucket shape, make jellyfish network interface entering from then on not go out at the opening part of jellyfish collection channel.
Beneficial effect of the present invention:
Rubbing device among the present invention can carry out effective emergency disposal to large-scale disaster jellyfish, reduces its reproduction rate, reduces ecological hazard, to the jellyfish disaster of breaking out rapidly can play fast, efficiently, treatment effect easily.The jellyfish gathering system is laid at offshore as the supplementary means of rubbing device, has so both avoided blocking the injury of antenna to the visitor because of blindly salvaging to cause; Can make the jellyfish offspring reach the elimination effect again; Other biological is not had influence basically yet, and apparatus structure involved in the present invention is simple, low production cost; Method for using is simple and feasible; Be suitable for enlargement of scale to be used, the emergency disposal that breaks out for the large jellyfish disaster provides convenient effective method, for the ecology recovering balance, protect fishery resourses and tourist industry, water for industrial use safety provide technical guarantee.
Description of drawings
Fig. 1: the disaster jellyfish is rubbed the device sketch map, wherein: 1. trawlnet, 2. net ring, 21. steel wires, 3. side guiding principle, 31. side guiding principle I, 32. side guiding principle II, 4. hawser, 5. web plate, 51. web plate I, 52. web plate II, 511. fixed heads, 512. deflectors, 61. headlines, 62. infraclasses, 7. fixing hole, 8. ball float;
Fig. 2: the rubbing device sketch map of bag shape trawlnet repacking; Wherein, trawlnet 1 is the bag shape, the view that the bag shape in the time of entry work launches.
Fig. 3: immediate offshore area disaster jellyfish gathering system sketch map.Wherein: 9. interception net, 10. jellyfish collection channel, 11. bubble generators.
Fig. 4: immediate offshore area disaster jellyfish gathering system side schematic view.Wherein: 9. interception net, 10. jellyfish collection channel, 11. bubble generators.
Embodiment
Following non-limiting example can make those of ordinary skill in the art more fully understand the present invention, but does not limit the present invention in any way.
Embodiment 1
Use disaster jellyfish of the present invention to rub device in the offshore marine site, must before the medusoma sexual maturity, use,, otherwise can stimulate jellyfish sexual propagation and cause break out next year because can not blindly rub after the jellyfish sexual maturity.
Fig. 1 is that disaster jellyfish of the present invention is rubbed the device sketch map, wherein:
The net bottom of trawlnet 1 is provided with the net ring 2 that solid steel loop constitutes; Net ring 2 set inside have 16 steel wires 21, are the umbrella frame shape and arrange diameter ∮ 2mm; Said trawlnet 1 is the bag shape;
The network interface of said trawlnet 1 is provided with two side guiding principles 3, that is: side guiding principle I 31 and side guiding principle II 32; Material is stainless steel tube, end band end socket, long 2000mm, external diameter 20mm, internal diameter 18mm;
Each end of described side guiding principle I 31 and side guiding principle II 32 is connected with hawser 4 respectively; Material is a steel wire rope;
Can make trawlnet 1 open PVC web plate 5 when being fixed with two uses on the described hawser 4: web plate I 51 and web plate II 52; Its length and width height=500 * 400 * 5mm; Because the PVC plate can prevent seawater corrosion;
Be connected on the hawser 4 of side guiding principle I 31 ends fixedly web plate I 51, the angle of said web plate I 51 upper mounted plates 511 and deflector 512 is 150 °; Four bights of said fixed head 511 are respectively arranged with can pass the hawser 4 and the fixing fixing hole 7 of hawser 4.
Be connected on the hawser 4 of side guiding principle II 32 ends fixedly web plate II 52, said web plate II 52 is identical with the structure of web plate I 51.
The upper end of 61 connection side guiding principle I 31 and the side guiding principle II 32 of raising to the higher plane of principle, infraclass 62 connects the lower end of side guiding principle I 31 and side guiding principle II 32.Its material is steel wire rope; Long 2000mm, diameter 6mm;
On said side guiding principle 3, also be connected with buoyancy respectively>ball float 8 of 30kg, to keep the plumbness of side guiding principle 3 in water.
Described disaster jellyfish is rubbed device, and wherein: web plate 5 is the PVC plate; Side guiding principle 3 is a stainless steel tube; Headline 61, infraclass 62, hawser 4 are steel wire rope; Described net ring 2 is solid steel loop, concrete parameter such as following table 1:
| Device | Design parameter |
| Web plate 5 | The PVC material, length and width height=500 * 400 * 3mm; 2; |
| Side guiding principle 3 | Stainless steel tube, end band end socket, long 2000mm, external diameter 20mm, internal diameter 18mm; 2; |
| Raise to the higher plane of |
Steel wire rope; Long 2000mm, diameter 6mm; |
| |
Steel wire rope; Long 2000mm, diameter 6mm; |
| |
Steel wire rope, long 10000mm, diameter 6mm; 4; |
| Trawlnet 1 | Length 5000mm, network interface 2000 * 2000mm, net bottom 500 * 500mm, trawlnet 1 main body aperture 100mm; |
| Netting twine | ∮2mm； |
| |
Buoyancy>30kg, 2; |
| The net bottom ring | Solid steel loop: outside diameter d 500mm, internal diameter 485mm; 16 on steel wire, the umbrella frame shape is arranged, diameter ∮ 2mm |
Use step: this device is lain in stern, after specifying the marine site, put into water, because the buoyancy of ball float 8; The network interface side guiding principle 3 that makes trawlnet 1 is perpendicular in the water; When hull navigates by water (v>1kn), by the power of water, web plate 5 is opened the network interface of trawlnet 1 automatically; Along with the increase of ship's speed, after network interface was expanded to a certain degree, headline 61 was tightened up with infraclass 62; Play the effect of not torn of protection network interface, at ship's speed v>during 2kn, web plate 5 will be collected with a large amount of jellyfishes that seawater be involved in trawlnet 1; And accumulate in the net rear end; Medusoma is because impact force of water flow, is positioned at steel wire 21 on the net ring 2 of net bottom and cuts brokenly, extrudes outside the net after breaking.
Can carry out effective emergency disposal to large-scale disaster jellyfish through this kind method, reduce its reproduction rate, reduce ecological hazard, to the jellyfish disaster of breaking out rapidly can play fast, efficiently, treatment effect easily.
The bathing beach of immediate offshore area or with industrial intake near, water body is more shallow relatively, is suitable for the method for taking netting gear interception collection jellyfish.System shown in Figure 3 is bathing beach or industrial intake marine site disaster jellyfish gathering system sketch map, to prevent that large jellyfish from getting into the outdoor bathing place and industrial intake is its basic goal, ensures bathing beach health and water for industrial use safety.
Jellyfish gathering system described in Fig. 3 and Fig. 4 comprises interception net 9, jellyfish collection channel 10 and bubble generator 11, wherein:
The U-lag of jellyfish collection channel 10 for surrounding by 3 planes, the U-lag opening is seashore dorsad; Be connected with interception net 9 (being that jellyfish collection channel 10 is positioned at the angle that " W " type interception net 9 forms) respectively at the opening two ends of U-lag; Be provided with bubble generator 11 in the bottom of jellyfish collection channel 10;
In jellyfish marine site of living in, disaster jellyfish rubbing device input is marine, use towboat tractive disaster jellyfish to rub the hawser (4) of device, ship's speed is greater than 2kn;
At immediate offshore area interception net 9 is set, adjacent interception net 9 is " W " shape and arranges; At the incoming tide, jellyfish is introduced and is focused in the jellyfish collection channel 10 by interception net 9 under the trend effect; Space (the length and width height=10 * 3 * 1mm) bottoms that bubble generator 11 places jellyfish collection channel 10 to be impaled; 10 li of jellyfish collection channels; The effect of bubble generator 11 is to make bubble floating in the time of the sea from the seabed, makes the jellyfish of gathering also float on the sea, and (opening part of jellyfish collection channel can be provided with one gate or baffle plate will to be collected into openend sealing in the collection channel 10 at last; When gate of closing the jellyfish collection channel at ebb tide or baffle plate; In the space that it impales, drop into biological agent again, to keep killing the valid density of medicament), adding concentration is 0.3 * 10
-6Biological agent " Ascidian is clear " to kill jellyfish.This system can avoid stinging the visitor because of salvaging causes jellyfish to block antenna, can be reduced to the female sexual propagation chance of boiled water again.
Embodiment 3
Under the concrete condition, the interception net can be joined end to end by the side of monolithic net and constitute; The specification of monolithic net:
This interception net is a purpose to block the collection large jellyfish, but also will guarantee not lash swimmer.So, in the material of the material of the size of the material of netting twine and thickness, mesh and casing coupling, guiding principle rope and thickness, float and sinker and big or small selection, compare and consider.Concrete, embodiment 1 described interception net is made up of following monolithic net:
1, confirm to use corresponding mesh with the size of large jellyfish growth, mesh is two kinds of 2a=50.0mm and 2a=100.0mm.
2, netting twine is hung and the ability of twining to reduce its thorn than the suitable overstriking of the netting twine of catching net (＞∮ 2mm).
3, mesh casing coupling coefficient is designed to E=0.707, and purpose is opened the mesh maximum, increases drainage capacity, reduces thorn and hangs and the ability of twining.
4, netting twine and headline, headline are selected polyethylene (PE) for use, i.e. the line or the rope of the monofilament ply twist of polyethylene fibre one-tenth.Its advantage is: proportion 0.96, less than water; Regain is less than 0.01%; Smooth surface has certain gentle very property; After processing net, rope, drainability is good, and water resistance is little; Wear-resisting, strong acid-base resistance is functional, fibre strength is almost constant in strong acid-base.Shortcoming: anti-high light poor-performing.But owing to be arranged in the water, ultraviolet ray by Absorption by Sea Water, reflection, weakens mostly greatly.This fiber price is lower.
5, infraclass and ground rope are selected terylene (PES) for use, i.e. the polyester fiber rope.Its advantage: proportion 1.38, greater than water, effect of settling is good; Fracture strength is very high.Immersion back intensity is constant, and does not shrink, do not extend; The rope smooth surface has good wearability; Water resistance is little, and dehydration is fast; Has very strong acid resistance.
6, float foam plastics ball float (Fo Ф 110mm), weight is 58.2g in the single air, and buoyancy is 671.0g, and floating rate is 10.6.
7, sinker is selected the elliposoidal of porcelain or stone matter for use, and weight is about 200g in the single air, and sedimentation rate is about 0.6.
8, in order to ensure the vertical stretching of net sheet, increase drainability, reduce prehensile, except selecting bigger casing coupling coefficient, also increased buoyancy and heavy power, used the float and the sinker configuration of Duoing relatively than fishing gear.
9, for the ease of the connection of netting gear, lay, administer and maintain, the design takes a plurality of monolithic nets to connect the method that makes up permutation from beginning to end.The length branch of monolithic net: 3 kinds of 99.00m, 49.50m, 24.75m etc., with the length and width requirement assembling train of facility by the outdoor bathing place.The stretching height branch of monolithic net: 12 grades of 0.70m, 1.40m, 2.10m, 2.8m, 3.50m, 4.20m, 4.90m, 5.60m, 6.30m, 7.00m, 7.70m, 8.40m etc., to adapt to the needs that the outdoor bathing place and the intake depth of water change.
10, for the fixed protection net, need be some with the heavy stone of 10kg, 2 of 25kg steel single fluke anchors, 4 of the Japanese sea-anchors of 25kg steel.
11, for the position of identification protective net, except that the float that relies on the net sheet, need also bind that large colour floats the ball buoy or air bag is some in the turning point of protection network, prevent that all the other ships from getting into.
12, in order to prevent that the anchor line untwisting from making the headline twisting of net sheet, need 6 of changes be installed at net sheet headline, infraclass and fork guiding principle and anchor line tie point.
Concrete specification such as table 2 and table 3:
Table 2. monolithic network planning lattice detail list
Table 3. cable wire and attached parts
| Title | Quantity | Material and specification | Rope length (m) | Remarks |
| Headline | 1 | PEФ10.0mm | 25.75；50.50；100.00 | In every net |
| Raise to the higher plane of principle | 1 | PEФ10.0mm | 25.75；50.50；100.00 | In every net |
| Ground rope | 1 | PESФ16.0mm | 25.75；50.50；100.00 | In every net |
| Infraclass | 1 | PESФ16.0mm | 25.75；50.50；100.00 | In every |
| Float | ||||
| 26；51；101 | PoФ110.0mm | Float spacing 1.0m | ||
| |
26；51；101 | STO | 0.2kg, sinker spacing 1.0m | |
| Buoy | Some | Depend on the needs | ||
| Float ball greatly | Some | Depend on the needs | ||
| Heavy stone | Some | STO | 10.0kg, heavy stone spacing 25.0m | |
| Heavy stone rope | Some | PESФ16.0mm | 2.0 | |
| |
2 | Fe | 25.0kg | |
| Double-fluked |
4 | Fe | 25.0kg | |
| Change | 6 | Common change Ф 32.0mm | 5.0kg | |
| Shackle | 6 | MA1.0Fe | 1.45kg | |
| Anchor line | 6 | PESФ25.0mm | 50.0~100.0 | Depend on the needs |
| The fork guiding principle | 6 | PESФ25.0mm | 10.0~20.0 | Depend on the needs |
(1) biological agent " Ascidian is clear " carries out the jellyfish disposal
" Ascidian is clear " of the present invention is available from Biochemical Engineering research institute of Dalian Chemical Research &. Design Inst. (foreign bio tech ltd is good in Dalian).
Dispose test: choose each 12 jellyfish of large and small specification, the average umbrella of big specification footpath (20.3 ± 1.2) cm, (22.0 ± 1.2) cm, average weight (2.1 ± 0.1) kg, (2.4 ± 0.1) kg; The average umbrella of small dimension footpath (5.3 ± 0.9) cm, (6.3 ± 0.9) cm, average weight (0.2 ± 0.1) kg, (0.3 ± 0.1) kg are put to 2.5m respectively
3In the test flume, preparation " Ascidian is clear " concentration is respectively 0.3 * 10
-6, 1.0 * 10
-6, 3.0 * 10
-6, place each 2 of large and small specification jellyfishes for every group.Test 19.5 ℃ of initial water temperatures, salinity 30.66, pH 8.05, the continuous oxygenation of process of the test but do not change water, not bait throwing in.
(2) experimental result:
Ascidian is obvious to the large jellyfish killing effect as biological agent clearly, and drug effect and jellyfish specification do not have dependency relation, but drug concentration is high more, and the time of killing jellyfish is short more, sees table 4 about the effect that medicine is killed
" Ascidian is clear " of table 4 variable concentrations is to the killing action of jellyfish
| The clear concentration of Ascidian | 1h | 2h | 4h | 6h | 12h | 24h |
| 0.3×10 -6 | Normally | Normally | Normally | Vigor weakens | Canopy shrinks | Dehydration is dead |
| 1.0×10 -6 | Normally | Vigor weakens | The vigor extreme difference | Shrink dehydration | All dead | |
| 3.0×10 -6 | Canopy shrinks | The vigor extreme difference | All dead |
Research shows 3 * 10
-6Concentration group can effectively be killed jellyfish, 0.3 * 10 in 4h
-6Low concentration group also can effectively be killed jellyfish in 24h.Therefore with respect to water give-and-take conditions marine site preferably, use to be lower than 3 * 10
-6" Ascidian is clear " also is comparatively safe.
The foregoing description is a preferred implementation in the disaster jellyfish emergence treating method of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1. disaster jellyfish emergence treating method is characterized in that: comprise that the disaster jellyfish rubs device and jellyfish gathering system, wherein:
(1) described disaster jellyfish is rubbed device, comprises hawser (4), trawlnet (1) and ball float (8), wherein:
The net bottom of trawlnet (1) is provided with net ring (2); Net ring (2) set inside has justifies the steel wire (21) that mind-set external radiation shape is arranged by oneself; Said trawlnet (1) is the bag shape;
The network interface of said trawlnet (1) is provided with two side guiding principles (3) along the edge: side guiding principle I (31) and side guiding principle II (32);
Each end of described side guiding principle I (31) and side guiding principle II (32) is connected with hawser (4) respectively;
Be fixed with on the described hawser (4) when using and make open two web plates of trawlnet (1) (5): web plate I (51) and web plate II (52);
Said web plate I (51) is made up of fixed head (511) and deflector (512), and fixed head (511) is fixedly connected along side with deflector (512), and angle is the obtuse angle; Said web plate II (52) is all identical with the size and the structure of web plate I (51);
Web plate I (51) is connected on the hawser (4) that is connected with side guiding principle I (31) end, and web plate II (52) is connected on the hawser (4) that is connected with side guiding principle II (32) end;
(2) described jellyfish gathering system comprises interception net (9), jellyfish collection channel (10) and bubble generator (11), wherein:
The U-lag of jellyfish collection channel (10) for surrounding by 3 faces, the U-lag opening is seashore dorsad; Be connected with interception net (9) respectively at the opening two ends of U-lag; Be provided with bubble generator (11) in the bottom of jellyfish collection channel (10);
(3) in jellyfish marine site of living in, disaster jellyfish rubbing device input is marine, use towboat tractive disaster jellyfish to rub the hawser (4) of device, ship's speed is greater than 2kn;
At immediate offshore area interception net (9) is set, adjacent interception net (9) is W shape and arranges; Interception net (9) is collected into jellyfish in the jellyfish collection channel (10); Be arranged on the bubble that the bubble generator (11) of jellyfish collection channel (10) bottom produced jellyfish is floated to the water surface, kill the jellyfish in the jellyfish collection channel (10) at last.
2. disaster jellyfish emergence treating method according to claim 1; It is characterized in that: rub in the device (one) disaster jellyfish; The angle of fixed head I (511) and deflector I (512) is 150 °, and the angle of fixed head (511) II and deflector II (512) is 150 °.
3. disaster jellyfish emergence treating method according to claim 1 is characterized in that: described (one) disaster jellyfish is rubbed device, also comprises the headline (61) and the infraclass (62) of equal in length; The upper end of (61) connection side guiding principle I (31) and the side guiding principle II (32) of raising to the higher plane of principle, infraclass (62) connects the lower end of side guiding principle I (31) and side guiding principle II (32).
4. disaster jellyfish emergence treating method according to claim 1; It is characterized in that: in (one) disaster jellyfish was rubbed device, four bights of said fixed head (511) are respectively arranged with can pass the hawser (4) and the fixing fixing hole (7) of hawser (4).
5. disaster jellyfish emergence treating method according to claim 1 is characterized in that: rub in the device (one) disaster jellyfish, on said side guiding principle (3), also be connected with ball float (8) respectively.
6. disaster jellyfish emergence treating method according to claim 1 is characterized in that: rub in the device (one) disaster jellyfish, described trawlnet (1) length is 3 to 5 times of side guiding principle (3) length.
7. disaster jellyfish emergence treating method according to claim 1 is characterized in that: rub in the device (one) disaster jellyfish, (61) length that raises to the higher plane of principle is 1 ~ 3 times of side guiding principle (3) length.
8. disaster jellyfish emergence treating method according to claim 1 is characterized in that: rub in the device (one) disaster jellyfish, described web plate (5) is the PVC plate; Side guiding principle (3) is a stainless steel tube; Headline (61), infraclass (62), hawser (4) are steel wire rope; Described net ring (2) is solid steel loop.
9. disaster jellyfish emergence treating method according to claim 1 is characterized in that: in described (two) jellyfish gathering system, described interception net is joined end to end by the side of monolithic net and constitutes.
10. according to each described disaster jellyfish emergence treating method in the claim 1 ~ 7, it is characterized in that: in (three) jellyfish gathering system, the mode of killing jellyfish is for adding biological agent.
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| CN 201210288542 CN102792946B (en) | 2012-08-13 | 2012-08-13 | Disaster jellyfish emergency disposal method |
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| CN 201210288542 CN102792946B (en) | 2012-08-13 | 2012-08-13 | Disaster jellyfish emergency disposal method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104054676A (en) * | 2013-03-18 | 2014-09-24 | 南开大学 | Aquatic insect torrent trapping net |
| CN106120683A (en) * | 2016-06-30 | 2016-11-16 | 大连理工大学 | A kind of sea water is fetched water, and channel is disastrous breaks out marine organisms automatic clearing apparatus |
| CN108541693A (en) * | 2018-04-13 | 2018-09-18 | 中国科学院海洋研究所 | It is a kind of effective to administer the method broken out of aurelia in bay |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020053157A1 (en) * | 1995-10-13 | 2002-05-09 | Sherif Safwat | Trawl system cell design and methods |
| CN200938798Y (en) * | 2006-08-02 | 2007-08-29 | 中国水产科学研究院东海水产研究所 | Device for releasing scaleph by trawl |
| CN201349447Y (en) * | 2009-01-19 | 2009-11-25 | 上海海洋大学 | Cyanea nozakii net sheet separation device of fishing net |
| CN101990864A (en) * | 2009-08-24 | 2011-03-30 | 中国水产科学研究院东海水产研究所 | Self-submergence frame type sampling method of marine juvenile fish by sampling net |
| CN102165940A (en) * | 2010-02-11 | 2011-08-31 | 车慧真 | Canvas fishing net |
| CN201957609U (en) * | 2010-11-22 | 2011-09-07 | 中国水产科学研究院东海水产研究所 | Set-net separate jellyfish release device |
| CN202046939U (en) * | 2011-04-12 | 2011-11-23 | 安徽农业大学 | System for collecting blue alga and purifying water |
| CN102475075A (en) * | 2010-11-22 | 2012-05-30 | 中国水产科学研究院东海水产研究所 | Scoop net for fishing live jellyfishes |
-
2012
- 2012-08-13 CN CN 201210288542 patent/CN102792946B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020053157A1 (en) * | 1995-10-13 | 2002-05-09 | Sherif Safwat | Trawl system cell design and methods |
| CN200938798Y (en) * | 2006-08-02 | 2007-08-29 | 中国水产科学研究院东海水产研究所 | Device for releasing scaleph by trawl |
| CN201349447Y (en) * | 2009-01-19 | 2009-11-25 | 上海海洋大学 | Cyanea nozakii net sheet separation device of fishing net |
| CN101990864A (en) * | 2009-08-24 | 2011-03-30 | 中国水产科学研究院东海水产研究所 | Self-submergence frame type sampling method of marine juvenile fish by sampling net |
| CN102165940A (en) * | 2010-02-11 | 2011-08-31 | 车慧真 | Canvas fishing net |
| CN201957609U (en) * | 2010-11-22 | 2011-09-07 | 中国水产科学研究院东海水产研究所 | Set-net separate jellyfish release device |
| CN102475075A (en) * | 2010-11-22 | 2012-05-30 | 中国水产科学研究院东海水产研究所 | Scoop net for fishing live jellyfishes |
| CN202046939U (en) * | 2011-04-12 | 2011-11-23 | 安徽农业大学 | System for collecting blue alga and purifying water |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104054676A (en) * | 2013-03-18 | 2014-09-24 | 南开大学 | Aquatic insect torrent trapping net |
| CN106120683A (en) * | 2016-06-30 | 2016-11-16 | 大连理工大学 | A kind of sea water is fetched water, and channel is disastrous breaks out marine organisms automatic clearing apparatus |
| CN106120683B (en) * | 2016-06-30 | 2018-07-13 | 大连理工大学 | Channel is disastrous breaks out marine organisms automatic clearing apparatus for a kind of water intaking of seawater |
| CN108541693A (en) * | 2018-04-13 | 2018-09-18 | 中国科学院海洋研究所 | It is a kind of effective to administer the method broken out of aurelia in bay |
| CN108541693B (en) * | 2018-04-13 | 2021-02-26 | 中国科学院海洋研究所 | Method for effectively treating eruption of aurelia aurita in estuary |
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| CN102792946B (en) | 2013-10-02 |
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