CN2088331U - Net-box breeding device - Google Patents

Abstract

The utility model relates to an aquiculture device. A box body of a net box is provided with a diversion interface or an escape-proof board. The utility model can be alternately connected with a conduit, a pump, a flow equalizing bag, a fish collecting bag, an inducing collector, etc. according to the production requirement at any time inside and outside the net box. Thereby, the utility model solves the problem that the meshes are blocked during water exchange, and the utility model is convenient and natural to replace the net box, sort the specifications of cultured fishes, etc. The utility model is especially suitable for the situation of culturing aquatic products in special types, such as eels, shrimps, etc. in the net box, the situation of using the matched net box to breed fish larvas, fish juveniles, fish fingerlings, etc.

Description

Net-box breeding device

The utility model belongs to a kind of aquaculture device, especially relates to a kind of cultivator that is used for net cage.

As everyone knows, from the beginning of the sixties in this century in the aquatic products cage culture production pattern of popularizing day by day all over the world, since it have the wide waters that can utilize inland lake He Kuhan and ocean fully and cheap, obtain the inside and outside water body exchange of net cage passively, the per unit area yield height, intensive management, the operation more convenient, need not to drop into a large amount of capital construction and water treatment, oxygen increasing equipment expense, be flexible in management, characteristics such as better results had become one of most important production pattern in the culture fishery already.It is big with regard to cage size, selection, order in the development process over more than 30 years, box shape, and support body and fixed form etc. has had many reforms, change.But the composition structure of its casing is relatively stable.Promptly all adopt single net sheet material to be sewn into the overall structure of only water surface upper shed or whole sealings (but its water surface is provided with bait throwing in, the observation panel of a folding); In other words, known net cage body does not have in the underwater multipurpose interface and the structures such as attached member of phase configuration with it thereof is set.The net cage of this traditional whole single structure, simple in structure with it made, easy for installation, guarantees that easily net cage is firm, and the anti-good characteristics of performance of escaping are usefulness that people widely prolong always.

But, along with cage culture technology in recent years, especially as the supporting rapid depth progress of cultivating young, postlarva and fingerling technology of the breed of the special aquatic products product of its two main developing direction and net cage, the mesh specification trend of institute's use net cage diminishes, this just causes the rapid numerous life of attachments such as thread algae on the close net sheet that is in the breeding water body, block mesh every now and then, have a strong impact on effectively the carrying out of passive exchange that inside and outside water body only relies on current, wind, fish swimming.To this, the scientific worker once developed various antifouling compositions both at home and abroad, the back is because of having detected by the TBTO of enrichment, TBT, organotin etc. in culturing the fish body, and polluted wild naturally fish etc., its use is restricted (" aquatic products research " 85 years NO5 16-35 pages or leaves), recently MITI of Japan, Health and human services department be in the meeting of uniting the relevant living environment of holding and safety, and decision is completely forbidden relevant fishing with the manufacturing of antifouling composition, import, use (90 years Asahi Shimbun/one, 12,20).And adopt biology to get that dirty to scrape appetite limited because of existence, strive food, strive reason such as water body, popularization widely as yet with main breeding fish.Therefore, mainly be to adopt to replace net cage more continually at present, and wash dirt, grow thing; Or directly net cage is left the water, with high pressure water washing etc.Not only labour intensity is big for this, and more continually suitcase, change case, seriously alarm the life of cultured fishes, influence its growth of ingesting.In addition, abroad also some waterman author oxygen-increasing device oxygenation etc. (" external fresh-water fish-culture collection of translations 1980～1985, the 4th page) is set in net cage.But noly on net cage ad hoc be beneficial to water conservancy diversion, lead fish, and can replace the structures such as interface body of the member of putting at any time flexibly.Thereby its device of setting up all has only the single effect that improves interior water body dissolved oxygen of case or water quality.

The purpose of this utility model provide a kind of can be easy on the aquaculture casing, the required member of changing-over neatly, so that it convertiblely at any time has economy, an inside and outside water body of commuting case effectively, the fish body is carried out sorting less with alarming culture the fish specification, replace the cage culture device of culturing casing or cleaning multiple functions such as net cage operation.

The purpose of this utility model mainly can realize by following proposal: placing water, and be on the breed casing (following or abbreviation net cage) that is fixed on floating ring or the spud pile, be connected with the water conservancy diversion interface body.Described water conservancy diversion interface system is made of with the fixed body that links to each other with the breed casing the water conservancy diversion cover body of inner edge water conservancy diversion, fairing.Wherein said kuppe body profile can be right cylinder shape, coniform and analogous shape, and periphery (especially port part) can be provided with ring-type or screw-shaped groove, convex body, or is embedded rubbery sealed body, or is provided with such as simple and easy interface portion such as fire extinguisher canvas hose fast interfaces; Its inner rim fairing comprises that also the kuppe intracoelomic cavity is shapes such as important actor ladder, treats that the carrier pipe of liner rigid interface inserts therebetween, be fixed be assembled into integral body after, then inner edge is the fairing shape.And fixed body can be directly and the kuppe system be integral, and directly or by with culture the pipeline that casing links to each other and be connected with casing.In addition, fixed body also can be made into shapes such as ring, is fixed on the net cage, and is set in behind the soft carrier pipe of the external cover of kuppe in its circle.Described breed casing can adopt polyethylene, nylon, the wire netting sheet of all size; Also can adopt waterproof cloth synthetic fibers braid and similar composite.When materials such as the lower screen cloth of the close screen cloth that adopts mesh more than 24 orders or intensity, polyethylene film, can put load net in the periphery of its casing, and the load net that volume is slightly little system is solid on the load support body of corresponding big buoyancy than large mesh.Except locating to be provided with the water conservancy diversion interface body (promptly utilizing former net cage body) as fish screen at side wall of whole net cage etc., also can offer corresponding opening at the casing interface, be provided with metal, plastics or casing same type of material around it and adopt mechanical fasteners or methods such as bonding, sewing of rivet, screw and so on to make reinforced bulkhead, in case the diffusing eye of etting or woven cloth or break.

Like this, culture the water conservancy diversion interface body of casing by setting on it can be as required easily in the inside and outside changing-over at any time of net cage: pump water machinery, current-sharing bag, fish gathering capsule, persuader and continuous conveyance conduit thereof etc.Wherein, described pump water machinery can be the special-purpose fishing water-change pump of independent design, also can be commercially available water pump etc.; Conveyance conduit is then with close screen cloth, canvas, synthetic fibers sleeve pipe and the similar flexible material that certain intensity is arranged, make by required shapes of requirement such as water distribution, defeated fishes, bonding or in sleeve pipe gluing etc. be made as suitable.At an end of pipeline, can be according to required flow fluidised form, adopt and offer different cross section and cross the current-sharing bag that the soft screen cloth of the sheet material of discharge orifice or different meshes is made rectangle or tubulose, cryptomere.Fluidised form in the net cage also can adopt and change current-sharing bag present position and water outlet direction, and such as near the casing the delivery port is adopted the permeability rate materials with smaller, and bigger etting or the discharge outlet of permeability rate noted it is arranged in staggered with it position, takes place in case enter the outer bad fluidised form of water body short-circuit flow outlet of culturing in the casing.In addition, also can be connected with the fish gathering capsule at an end of conveyance conduit, described fish gathering capsule can be the mesh bag of cryptomere, also can be the net cage replaced of another etc.Perhaps the end at conveyance conduit is connected with trapper, and the other end is connected with pumping system; Described trapper can be cryptomere, the dustpan shape that is provided with opening, the fishing gear of lifting netted and analogous shape; For operations such as changing case, sorting fish can be carried out continuously, reposefully, a separating opening can and then be set in conveyance conduit, its upstream is equipped with a fish screen.The fish top stream that has natural habits such as heavy-oxygen-enriched water, lucifuge is promptly imported separating opening more naturally by fish screen, and reversibly enters hardly in net cage to be replaced or the fish gathering capsule after the trapper of passing through enters conveyance conduit.

This shows that aquaculture device provided by the utility model has and carries out changing case, regular specification stepping and regulating suitable flow velocity, the functions such as fish that trapping is discrete of casing more naturally.Simultaneously, both made net cage be adhered to stifled resistance by algae in close mesh, when perhaps special occasions adopts smooth fluid-tight casing, the case that still can guarantee better water quality carries out the water body active cycle in water body and the case greatly outward, thereby easy, effectively solved as in some extraordinary famous and precious aquatic products casing breeding process such as the supporting cultivation of net cage of son, postlarva and the fingerling of the main developing direction of fish culture in net pen and river eel, prawn, freshwater shrimp ubiquitous water body be difficult to continue, steadily, the difficult problem of exchange easily, opened up new way for enlarging its range of application.And the combination of said apparatus, annex and method, make all factors of culturing the habitat can strive concrete physiological requirement again to the aquaculture organism different times, tracking is mediated in preferable situation, thereby can improve cultivation density, growth rate and feed efficiency, greatly reduce the labour intensity that more frequently changes case, stepping, tank-washer etc. and to the agitation influence of fish body, reduced injured infection of fish body and, unstable probability of falling ill unclean etc. because of water quality.Can be widely applicable for net cage aquaculture, especially the occasions such as cage culture of the net cage of son, postlarva cultivation and special aquatic products product.

Fig. 1---a kind of band changes the vertical view of the cage culture device of water mechanism.

Fig. 2---a kind of band changes the front view of the cage culture device of water mechanism.

Fig. 3---the cage culture schematic representation of apparatus of several band fish gathering capsules.

Fig. 4---a kind of controlled is advanced, the cage culture device schematic diagram of draining.

Fig. 5---a kind of water tank type cage culture device schematic diagram.

Fig. 6---a kind of structural representation of water conservancy diversion interface body.

Fig. 7---the structural representation of several fish screen bodies.

Fig. 8---a kind of breed casing partial schematic diagram of water conservancy diversion interface band reinforced bulkhead.

Fig. 9---a kind of schematic diagram of the tight loop button that can conveniently connect, unload.

Figure 10---the structural representation of another kind of water conservancy diversion interface body.

Figure 11---the net cage hatching apparatus schematic diagram of a kind of bottom water inlet.

Group's case of Figure 12---a kind of cage culture device changes the water schematic diagram.

Figure 13---the schematic diagram that fish mechanism changes case, separation operation is led in a kind of installing.

The local enlarged diagram of Figure 14---Figure 13.

Figure 15---the schematic diagram that fish mechanism changes case, separation operation is led in another kind of installing.

Embodiment 1: a kind of band that is used for inside and outside double-deck net cage changes the cultivator of water mechanism, shown in accompanying drawing 1～2 and accompanying drawing 6～9.Place the pump hydrophone 2 of big water body 1, the one end is provided with trash rack 22, the outer rim of the other end is embedded with the interface portion 7 of rubbery sealed body, its outer conveyance conduit 8 that adopts composite chemical fibre waterproof cloth material to make that is with, both with pine in advance prick button 18 circle buckle 9 and put, and, press pressure arm 20 and promptly link closely, otherwise release after pricking button 18 on its dog 19 hooks.The other end of carrier pipe 8 links to each other with water conservancy diversion interface body 66 by same member.Described casing 11 adopts the nylon wire (cloth) of big 24 orders to 1.0 of orders centimetre, and its reinforced bulkhead 13 at water conservancy diversion interface body 66 places is to rivet with two ring-type sheet metals folder upper boxes 11 backs to form, and can be provided with coniform or plane metal gate body 15a～e in it.The two sides of reinforced bulkhead 13 or internal and external circumferential are provided with sealing ring 14, two water conservancy diversion interface body 66 opposing both sides of forming by straight-tube shape water conservancy diversion cover body 6b and the perpendicular fixed body 68 of making one that lean against casing 11a～b, and 4 bolts are passed the eyelet of offering on reinforced bulkhead 13, the flange disc shape fixed body 68 respectively, tighten it with wing nut.Equally, be connected with water conservancy diversion interface body 66 on being fixed on net cage 11b by the water-supply-pipe 8 that is positioned between inside and outside two tanks.Between inside and outside casing, raise the fish that the feeding habits of scraping are arranged, for example Tilapia mossambica, carp etc.On the water conservancy diversion interface body of interior breed box inside, then changing clean discharge area arbitrarily easily according to the needs of culturing operation is 0.017～2.10m ²Current-sharing bag 38 members such as grade, will go out the water flow velocity coarse adjustment in 0.05 meter per second～1.50 meter per seconds, quantity of exchanged water is 40～200 meters ³In/time, hydraulic pressure is a little more than the outer hydraulic pressure of case in the case when changing water, thereby the water of institute's inlet is discharged by mesh on the casing and discharge outlet.For example when net cage is supported river eel, the current that water speed gives about 0.5 hour continuously that go out that can be before ingesting be about 0.60 meter per second with flow velocity stimulate, temporarily stop to change water then or on delivery hose, be with the degree of tightness that to regulate bore regulating ring set 10, regulating water flow to about 0.10 meter per second, flow slowly near bait table, wait to take the photograph bait one end, promptly changed water continuously 2.5 hours, recover to change substantially aqueous condition again with the current about 0.40 meter per second.The above-mentioned adjusting that goes out water flow velocity also can be at above snap-button, the button of installing two rows on the sheet of the network of rivers of crossing of current-sharing bag, by how much (they being the discharge area) that change the net oblique cut grafting easy adjusting it.Be provided with buoyancy aid 39 above current-sharing bag 38, the bottom surface is provided with sinker 40, and it is not uprightly stood up in water.The front of current-sharing bag adopts soft thin order net sheet to make, and cultures support body 48 adjacent putting with multilayer.Support body 48 can make rigid support frame 41 that fish walks and topped 4 platforms made from soft cloth 42 that stop on it form by multilayer.The chpn that keeps support body between each layer by tether or rigidity stand.Four jiaos top of bracing frame 41 is provided with buoyancy aid 39, and keeps its position stability in casing 11 by tether.Certainly, if with the accumbency of current-sharing bag, and, it is changed into is horizontal cushion by floating, the sinker of its bracing frame and suitable configuration, promptly above-mentioned current-sharing bag with culture support body and united two into one.

In addition, in the nearly centre in the bottom of casing 11, be equipped with the sewage fetching machine 43 of a heavy property.It is to carry bucket circle 44 and bucket body 45 is formed by metal.Described bucket body 45 is divided into the close net of columned nylon by top, and the close net bucket of metal that the bottom is divided into the spherical crown shape constitutes.It is by being solid to pick and place at the tether of carrying on the bucket circle 44 33.Can be earlier before placement wash out the dirt of central authorities at the bottom of the case with the current in the water-supply-pipe, behind the sinking sewage fetching machine 43, it is tilting that delivery port is prolonged the limit, and water body flows slowly ringwise in the breeding box, and the outstanding absurd creature in the water body is deposited in the sewage fetching machine.Like this timing extraction dirt can be more conducive to the cleaning of water body in the guard box.If before circulation, can counter-rotating change water mechanism, the outer clear water of case is oppositely flowed into, cleaning effect will be better.

Embodiment 2: a kind of cage culture device that is used for replacing easily naturally net cage or cleaning net cage, and shown in accompanying drawing 3a～c:, a water conservancy diversion interface body 66 is set culturing casing 11 side walls or vicinity, corner, bottom surface.The seal body made from close net at ordinary times 47 that matches with the water conservancy diversion interface body covers on (Fig. 3 c) on the interface body 66, and with tightening buckle etc. it is sealed mouth.During operation, only need play net cage gently one jiao, take off seal body 47, fish gathering capsule 53 in the changing-over; Perhaps by water-supply-pipe 8 and similar water conservancy diversion interface body and new draping case 11 ' be connected.Preceding kind of occasion, cleaning net cage only needs reposefully net cage to be carried to the water surface with machinery, washes down whole box body with giant.And the breed fish stays in the fish gathering capsule made from fishing net 53 temporarily, behind the net cage reentrant water after waiting to clean, gently carries capsule 53 by tether 33 again, and the fish in it is returned in the net cage, seals with seal body 47 to get final product again; In a kind of occasion in back, along with second hand cases 11 are steadily packed up, the fish in it by go into through carrier pipe 8 new net cage 11 ' in, treat second hand cases 11 and manage 8 all rise go up the water surface after, will manage 8 and take off, and seal with seal body 47 and to get final product from water conservancy diversion interface body 66.

This type of device also can carry out dipping with fluid-tight casing easily except changing clothes net cage, treatment fish disease etc.

Embodiment 3: the casing 11 of cultivator adopts almost fluid-tight splitting to be provided with one in film woven cloth or the net cage than close eye material formations such as loose nylon film casings as shown in Figure 4, the one side opening is provided with water conservancy diversion interface body 66, by coupled water-change pump 2 ' outer big water body is controlled pumps in the case with case, and, then discharge outside the casees through discharge outlet 17 by culturing metabolic waste that steck goes out etc. by the diffusion of cryptomere current-sharing bag 38 unhurried current.Around the outside of discharge outlet 17 (or inboard), be provided with snap-button or adhesive tape, which is provided with dash cloth 34.When changing that water mechanism shuts down and it seal, culture the essentially no water body of casing and exchange, be a kind of floating crawl waterborne with nutrient preserving capability.It can drop into fertilizer or chemical fertilizer as required in good time, cultivates water body, raises fry etc., can be by putting aerator in it; During, harmful substance accumulation aging etc., can enable at any time and change water mechanism and open dash cloth 34, the convenient quick exchange adjusting that realizes water quality etc. when water quality.During hauling, then remove earlier the sinker sealing dash cloth around the casing, current-sharing bag 38 is replaced as the water filter of rigidity again and with water-change pump 2 ' oppositely draw water, the water body in the case is entered outside the case, casing then shrinks naturally and floats, and is convenient to change case, a fish.

In addition, can establish easy water quality sensing mechanism in case, it is reached the sensor 37 that floats off the water surface at ordinary times and is formed by near the several layers of platform 61 that stops quiet the bubbling through the water column; The platform 61 that stops is by throwing the net on bracing frame and its and the buoyancy aid 39 of balance setting constitutes.At ordinary times on the platform that stops of fish less than the nearly water surface of high light; When the water body dissolved oxygen was reduced to certain value, fish (for example river eel) raised the nose above water to breathe to climb breath on the platform that stops, and made that it correspondingly sinks, balance.When water quality deterioration caused certain value, sensor 37 promptly immersed in the water.Wait to soak behind the contact long period continuous conduction (or displacement adhesive tongue tube), just trigger known warning system or start the water mechanism work of changing automatically by relay, contactor etc.Changing the water time is set up by the time relay.Also can on the platform 61 that stops, be provided with one and show thing (for example penoncel) 36, so that daily the seeking at a distance of production management personnel looked.

Embodiment 4: a kind of water tank type cage culture device as shown in Figure 5.An end of long trough floating casing 11 be evenly equipped with six water-change pumps 2 ', its inboard is provided with known flow straightener 84, make with fluid-tight gluing waterproof cloth almost the both sides of tank and bottom surface, and be painted with several vertical water and flow to striped; The discharge outlet 17 that the other end then is made of the fixing wire netting that strengthens of metal framework is discharged the current-sharing of overcurrent water body outside the case.Like this, with the fry before the live fish transportation, fingerling and marketable fish place in the casing 11, and according to the kind of fish object, specification, and the purpose of current exercise, count coarse adjustment current mean flow rate by the platform of opening water-change pump, also can be aided with to adopt and change flow straightener, the method of fine tuning flow velocitys such as the area of passage of discharge outlet or change water-change pump waterpower operating point, make aquaculture organism protect under the driving of habits such as target at it, flow through and be subjected to the stimulation of suitable intensity (time and flow velocity) in the top by the light of nature, regulate fish body amount of exercise and fish body fat content to reach, improve the metabolic intensity of fish body quality or enhancing fish body, tie the tired medicine residual hazard or the eliminating of refuse purposes such as (promptly eliminating the medicine stain) in the accelerating fish body.

Embodiment 5: shown in the accompanying drawing 7 be place that the cage culture device advances, several examples of the fish screen of discharge outlet or carrier pipe 8.Wherein, the fish screen body 15a shown in Fig. 7 a ties up to the mesopore place of annular metal frame 46, adopts the smooth metal rod to be arranged in parallel by the spacing of blocking the fish specification and is welded; Fig. 7 b adopts cone shape grid body 15b to substitute planar gate body 15a, and openend is provided with the same frame 46; Fig. 7 c system is similar to the filiform 56 of barrier net sheet and large-mesh folder 52 frames thereof by hardness and gap and becomes pie and constitute; A kind of fish screen body 15d of Fig. 7 d reflection is stacked greater than the big wire netting sheet 35 of net cage order and fixed with metal edge frame 46 clampings by the multilayer mesh, under the prerequisite of blocking breed fish (as eel, shrimp etc.), can reduce it by the obstruction of dirt like this; Shown in Fig. 7 e is a kind of U type plug-in type fish screen body 15e, it is that metal barrier net sheet 35 is fixed on U type metal or the plastic plate, its outside dimension is slightly less than the inside dimension of locating between set associated socket such as conveyance conduit 8, profile of the carrier pipe of the shape of set cover plate 72 and its inserting matches on it, in case culture fish just in case the brill from interpolation slit is escaped.

Implement 6: be arranged on the water conservancy diversion interface body on the cage culture device approximate construction another example as shown in Figure 10.It ties up to one section hard tube of end liners of soft carrier pipe 8, and with steel wire 9 ' fuse both (or managing 8 whole system rigid pipes), then at the built-in sealing ring 14 of the trapezoidal cylindric kuppe 6a of water conservancy diversion interface body 66, after the pipe 8 one end contrapositions of waiting to have locating hole were pressed into, two alignment pins 81 inserted the location up and down.When needing, the locating hole of managing on 8 ports can leave oblique slotted hole, rotates both positions relatively, can make the more fastening of its cooperation.Described water conservancy diversion interface body 66 is then by bolt and pad, is fixed on the net cage 11 of opening not.

Embodiment 7: a kind of cage culture device of intaking from bottom half as shown in Figure 11.It is that to adopt 50 order nylon tiffanys to make epimere be round table-like, hypomere is cone shape casing 11, casing relies on the hollow plastic buoyancy pipe 31 of ring-type to support, pipe 31 is provided with by what reinforcing bar was made and falls round table-like support body 32, periphery is topped identical net sheet, and the lap-joint of casing opening or upper and lower section is supported by the steel ring of annular.The water conservancy diversion interface body of being made up of round table-like fixed body and water conservancy diversion cover body 66 that adopts that steel make is fixed on the lower end closing in portion of net cage conical section, and its gravity is beneficial to open endures casing.By the fresh water of pump hydrophone 2 input through manage 8 and interface body 66 flow in the casees, carry out water body exchange cycles up and down, make the fish-egg of putting in the case obtain the control environment of its hatching, and the metabolite of hatching ovum is with outside the close net cage of current draining.Because this device discharge area is bigger, so, even when a large amount of demoulding, the labor that also can remove the heavy brush case of common hatching cylinder from.

Embodiment 8: cage culture device as shown in Figure 12, tie up to fishing with water-change pump 2 ' delivery port connect the polyethylene film flexible pipe, and at each minute prong place, the four-way interface of making by the polyethylene hard tube, on the water conservancy diversion interface body 66 on nigh several the net cages of water pipe tap, and be connected with the current-sharing bag 38 of tubulose or loudspeaker diffusion type by the water conservancy diversion interface body that leans against in net cage, fresh high oxygen water is transported in the case.The discharge of each case input can be regulated by the tether or the degree of tightness card 83 change discharge areas that are arranged on the delivery hose 8 between four-way interface and water conservancy diversion interface body, can be equipped with in the case hold court from behind a screen shape or the nest made by useless net sheet thread seek connections with thing 82, be beneficial to the perching, grow of aquaculture organisms such as shrimp, crab of region behavior.

Embodiment 9: a kind of intrinsic habits such as stream, the heavy-oxygen-enriched water that becomes that become of fish of utilizing, and the fish body is conveniently cultured the replacement of casing with alarming less or cultured the devices and methods therefor (referring to Fig. 1 and Figure 13) of fish separation operation can be like this: be provided with an opening and form trapper on current-sharing bag 38; Perhaps directly be provided with ostiolate trapper 49 in the end of water-supply-pipe 8.Described trapper adopts lighttight cloth to make, and perhaps adopts several snap-buttons 70 to connect around the periphery of net system capsule has one again and is convenient to hide the gobo 71 that unloads.Before desiring to change casing working, stop to change water intentionally earlier, reduce the oxygen content (or again water temperature being departed from about 2 ℃ of optimum water temperature) in this breed casing, wait to culture fish lenitively by feeling a bit not in good time, enable the fresh water body of water-change pump 2 ' will contain oxygen abundant (or water temperature is suitable) suddenly, when flowing in the case through preparing appropriate above-mentioned trapper, the breed fish promptly pushes up and flows in the also darker capsule of light, after treating to go into substantially the capsule gathering, promptly put on or fasten its opening, in taking off then, two jiaos of tethers of outer second hand cases body, fasten new replacement casing two jiaos, and the free side that old outer container is taken off is solid free side overlap joint with being provided with newly that case waits, intervolve together, then clamp, slightly down by making it entry with big iron clamp; Unclamp circle button 9 again, take off the other end of trapper, relying on buoyancy of water, in its interior net cage of newly establishing of slowly travelling in, opening is put into it with fish again.After this, two jiaos in addition of the good new admittedly inside and outside casing of system earlier, the back is risen and is gone up old net cage, and notes checking net cage, and the residual breed fish that do not go into to trap capsule as yet with dragging for after the sea catches, is reentered in the new net cage.After waiting to take off whole old net cage, only the whole casing working that changes has naturally promptly been finished in the casing shaping a little that need will newly change.

If only need catch the adult fish of getting certain specification or carry out regular breed fish branch retaining, only need at the default U type slot of the opening part of trapper 49, after treating to have assembled the breed fish in the capsule, promptly in U type slot, insert the sorting grid 51 that constitute by the smooth bar that necessarily equidistantly is arranged in parallel, and stop to supply water, and/or the gobo 71 that is provided with on the removal capsule, strengthening the light in the capsule, the less fish of specification is promptly returned by fence and cultures in the casing; Otherwise, if need earlier from culturing the fish that sub-elects in the casing than small dimension, then plug the sorting grid earlier, supply with the fresh water of hyperoxia, thermophilic, than the fish of small dimension promptly top stream pass and block grid, enter in the trapping capsule, and outside the fish of specification is blocked in greatly, thereby regular branch retaining operation required in the cultured fishes process finished more naturally.Certainly, also can the sorting grid that several are fixed with the capsule body be set on the body, with the speed of further raising sorting fish in trapping.

Embodiment 10: culturing naturally that fish changes that the relevant member of case and method thereof narrated in similar embodiment 9, also can adopt following apparatus and method (shown in accompanying drawing 13 to 14): other at the casing of desiring to change 11, finish changing earlier a new casing 11 ', by being arranged on the water conservancy diversion interface body 66 on pump hydrophone 2 delivery ports, install one and lead fish mechanism 60 by what aqueduct 8 and trapper 49 were formed, middle part at aqueduct 8, in establish the separator 54 of one section rigidity, wherein offer a separating opening 62, and at the upstream position of the separating opening 62 tilting fish screen 15 that leans forward, one tilting water guide baffle plate 63 is arranged at the bottom of fish screen, formation top stream is more sharp near making the inherent separating opening of pipeline, the fluidised form that bottom stream is slow is leaked and is beneficial to top of fish stream with the minimizing water body from separating opening 62 and swims out of from separating opening.On separating opening 62, be provided with the rigidity separation interface 69 of a rectangle that is mated, cylindric and analogous shape, dispose the shading body 64 and the cone shape guide way 57 of straight-tube shape, cryptomere and analogous shape on it, enter contrary the returning of fish of body 64 with tetrandra root.The sorting grid 51 that are provided with fixing U type groove plug-in in the bottom surface or the side of shading body.Desiring to change casing 11 places, separate its pump hydrophone 2 temporarily earlier, and with cross over new casing 11 ' the other end of aqueduct 8 of side wall net be connected, the inboard of casing 11 then connects trapper 49.After treating that preparation is ready, dial to remove the U type fish screen 15e(that establishes in the aqueduct place on new, the second hand cases body referring to Fig. 1) and start high-quality water body that pump hydrophone 2 makes the oxygen enrichment thermophilic through conveyance conduit 8, flow into reposefully in the trapper 49 in the casing 11.Stopped changing water breed fish for a long time, promptly headed on fresh current rapidly and enter and lead in the fish mechanism 60.The top of fish flow depth is fashionable when culturing, and promptly by tilting fish screen 15, imports the separating opening 62 of below, and the shading body 64 on separating opening, than small dimension fish nature, continuously enter newly-installed casing 11 ' in; The fish of big specification then persists in shading body 64.When treating that breed fishes in the second hand cases body 11 enter trapper 49 substantially, then rise reposefully or seal its opening, and pack up capsule rallentando, to still stay in fish wherein, catch up with reposefully in the conveyance conduit 8, fish are then through separating opening 62, enter respectively shading body 64 or casing 11 ' in.Then, water conservancy diversion interface body etc. is located in case, plug U type fish screen 15e, and remove the above-mentioned fish mechanism 60 that leads, put in order new casing 11 ', playing last second hand cases body 11 checks, take out a small amount of remaining breed fish and go in the new case, on this case position, change new casing again, can repeat aforesaid operations near another desire draping case, change casing working in turn.

Embodiment 11: they are to be the another kind of inking device that is similar to example, and using method (shown in accompanying drawing 14 to 15).It is with the common water pump 2 that is provided with aboard ship water to be injected the special-purpose conveyance conduit of leading fish mechanism 60 8, known current equalizer (not shown) makes fresh hyperoxia water body prolong conveyance conduit 8 across new, old net cage side wall net reposefully in being located at pipe, and the trapper 49 of making one with it flows in the desire draping casees; And be arranged on retaining fish corral 15 in the conveyance conduit 8, water guide baffle plate 63 other separating opening 62 and shading body 64 thereof, then it is inserted new casing 11 ' in.In order to prevent that conveyance conduit from causing the contingency of culturing fish to escape because of being lower than the water surface along the side wall net that the nearly water surface is crossed over newly, the second hand cases body forms this place easily, it is perpendicular to be with three cardinal principles in the periphery of conveyance conduit 8, and can block the anti-plate 65 of escaping to the water surface, the liner rigid pipe, and with exposed junction greater than the snap-fastener 67 of its inserting column (promptly T-shaped) pass newly, the fence net of second hand cases body, embed in the anti-respective aperture of escaping on the plate 65 and fix it, its about other operating procedure and member and the foregoing description roughly the same, be omitted.Certainly, if the opening of the shading body 64 in last example 10 or this example 11 and the inner sorting grid 51 that an above different size is set; Or simultaneously its another bigger sorting grid 51 of fence gap ratio are set on trapper 49, then can finish the more natural sorting fish operation of specification more than 3 kinds and even 3 kinds simultaneously and change casing working.

The utility model is not limit by illustrated embodiment, but can make many changes in the scope of claims.

Claims (10)

1, a kind of casing that places water, the cage culture device that floating ring or spud pile are formed is characterized in that being provided with water conservancy diversion interface body 66 on the casing of described cage culture device; Described water conservancy diversion interface system reaches the fixed body 68 that links to each other with breed casing 11 by the smooth water conservancy diversion cover body 6b of inner edge and is formed.

2, cage culture device as claimed in claim 1, it is characterized in that at casing 11 water conservancy diversion interface body 66 places being set is provided with opening 12, be provided with the reinforced bulkhead 13 that adopts the class methods of mechanical fasteners, bonding, sewing to make by metal, plastics, casing same type of material around it.

3, cage culture device as claimed in claim 1 or 2, it is characterized in that being connected with on the water conservancy diversion interface body 66 in the described net cage outside water-change pump 2 '; By conveyance conduit 8, be connected with the current-sharing bag 38 of rectangle, tubulose, cryptomere on the inboard water conservancy diversion interface body 66.

4, cage culture device as claimed in claim 1 or 2, it is characterized in that being connected with on the water conservancy diversion interface body 66 of described casing 11 1 sides water-change pump 2 ', opposite side is connected by conveyance conduit 8 and cryptomere, dustpan shape, the trapper 49 of lifting netted and analogous shape.

5, cage culture device as claimed in claim 1 or 2 is characterized in that connecting carrier pipe 8 on the water conservancy diversion interface body 66 in casing 11 outsides; The other end of carrier pipe 8 is connected with closed fish gathering capsule 53, or cultures casing 11 ' be connected by similar water conservancy diversion interface body 66 and another.

6, as claim 1 or 3 described cage culture devices, it is characterized in that described breed casing 11 adopts compound gluing waterproof cloth, splits the film woven cloth and similar close eye material is made, offer discharge outlet 17 on it, be provided with the fish screen body at the discharge outlet place.

7, as described each cage culture device of claim 1 to 6, it is characterized in that culturing the dirt trap 43 that is equipped with a heavy property on the bottom surface of casing 11, described dirt trap system by rigidity carry bucket circle 44 and spherical crown shape, bucket body 45 coniform and analogous shape constitute.

8, a kind of cage culture device of forming by the casing that places water, floating ring or spud pile, it is characterized in that on described cage culture device, being furnished with by what pump hydrophone 2, conveyance conduit 8 and trapper 49 were formed and induce mechanism 60, in described conveyance conduit 8, be provided with fish screen 15.

9, cage culture device as claimed in claim 8, the fish screen 15 in the conveyance conduit of inducing mechanism 60 8 that it is characterized in that being furnished with leans forward tilting, and is provided with weather board 63 in the bottom of fish screen, and downstream part is provided with separating opening 62.

10, as the described cage culture device of claim 8 to 9, it is characterized in that being with vertically substantially in the mechanism 60 with carrier pipe 8 described inducing, and can block the anti-plate 65 of escaping to the water surface; Escape fixing hole 73 is set on the plate anti-, it on insertion associated, and exposed junction is greater than the snap-fastener 67 of its inserting column.

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