Circulating water culture system fry gathering unit
Technical field
The utility model relates to the aquaculture instrument field, specifically refers to a kind of fry gathering unit that in circulating water culture system, uses during Cultivation container emptying breeding water.
Background technology
Along with the fast development of facility fishery, in large-scale aquiculture enterprise and cultivation base, circulating water cultivation has become a kind of aquaculture model of efficient, environmental protection.In circulating water culture system, water treatment system and Cultivation container (fish jar/fishpond) are two important parts.When system moves; Cultured fishes are lived in Cultivation container; Constantly in water body, drain refuse and form waste water; Purify in the floor drain formula outlet UNICOM water return pipeline entering water treatment system of waste water through Cultivation container, water after treatment adds in the Cultivation container through the inlet channel of Cultivation container.In the process that water in the continuous circular flow of water treatment system, Cultivation container constantly exchanges, the dividing plate with holes or the barrier that are installed in Cultivation container intake-outlet place can effectively intercept in fish body entering pipeline and the water treatment system, prevent that the fish body is dead.
Need to safeguard in water treatment system, Cultivation container needs to clean, the fish body need shift and during situation such as transportation; Traditional method is after the water with Cultivation container emits a part; Close intake-outlet, with the fishery that nylon mesh sheet is made fish is pulled out from water body, there is following problem in such mode of operation: the first, the quantity of fish is many and not of uniform size in the Cultivation container; Adopt fishery to fish for very difficulty, and the less fry of build is difficult to pull out; The second, need fish for repeatedly, labour intensity is big; Three, for the fry (the wild rare fish of more particularly raising and train) of some small dimensions, fish for major injury and stress reaction that operation can cause the fish body repeatedly, can directly cause stress disease and death.At present, along with the fast development of culture fishery, the circulation of fry, fingerling all constantly increases in the whole nation and even world wide with transportation.Transportation early stage repeatedly fish for the stress reaction that the fish body is caused with other operation lack of standardization, with breed survival rate after the transportation of fish body direct relation is arranged.Therefore, in each link of culturing operation, adopting various measures, reduce the extent of injury to the fish body, is the important content of culturing health control.
The utility model content
The utility model technical problem to be solved just provides a kind of circulating water culture system fry gathering unit, can fish for the structure of device through improvement, improves catching rate, protects the fish body effectively simultaneously, prevents that it from sustaining damage.
For solving the problems of the technologies described above; A kind of circulating water culture system fry gathering unit that the utility model provides; Comprise and fish for device, the said device of fishing for is the fish gathering storehouse, and the fish gathering storehouse of bottom, said fish gathering storehouse is supported and is installed with the anti-filter pipe of escaping of draining on the base plate; Said draining prevents that escaping the filter pipe bottom offers osculum; Draining is anti-to be escaped filter pipe and on the tube wall that is positioned at above the said fish gathering storehouse, offers the through hole that is used for draining, and the anti-tube wall outside of escaping filter pipe of draining is coated with the filter cloth net, is used to intercept the fish body.
In the technique scheme, the anti-degree of depth of the height of filter pipe of escaping of said draining more than or equal to the fishpond.
In the technique scheme, the mesh diameter of filter cloth net is 3 ~ 8mm.
The beneficial effect of the utility model is: the fish gathering storehouse of adopting atresia is as fishing for device; Utilize the draining flow action; The fish body is got in the fish gathering storehouse naturally, not only can improve catching rate, reduce and fish for difficulty, simultaneously the fish body is in all the time in the process of fishing for has under the water state; Avoided the fish body stress reaction that causes because of factors such as operation, anoxics, effectively avoided fishing in the process infringement the fish body; The anti-setting of escaping filter pipe and filter cloth net of draining can effectively avoid the fish body to get in the drainage pipeline in the process of fishing for, and prevents that the fish body runs off and death.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the mounting structure sketch map of the utility model.
Among the figure: 1-fish gathering storehouse, base plate is supported in 2-fish gathering storehouse, and 3-draining is anti-escapes filter pipe, 4-filter cloth net, 5-osculum, 6-fishpond, 7-fishpond drainpipe jack.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the utility model is done further to describe in detail.
As depicted in figs. 1 and 2; A kind of circulating water culture system fry gathering unit of the utility model; Comprise fish gathering storehouse 1; The fishpond drainpipe jack 7 of this fish gathering storehouse 1 shape and 6 bottoms, fishpond is suitable, so that fish gathering storehouse 1 is directly installed in the fishpond drainpipe jack 7, the fish gathering storehouse 1 of present embodiment is cylindric.The fish gathering storehouse of 1 bottom, fish gathering storehouse is supported base plate 2 middle parts and is installed with the anti-filter pipe 3 of escaping of draining; Draining prevents that escaping filter pipe 3 bottoms offers osculum 5; Draining is anti-to be escaped filter pipe 3 and on the tube wall that is positioned at above the fish gathering storehouse 1, offers the through hole that is used for draining; Also be coated with filter cloth net 4 in the anti-tube wall outside of escaping filter pipe 3 of draining, be used to intercept the fish body.Adopt said structure to make and fish for to operate with drain operation and carry out simultaneously, the flow action when utilizing draining is accomplished the collection of fish body and is fished for.Simultaneously, draining anti-escape filter pipe 3 and on filter cloth net 4 can effectively prevent draining with fish in the process fish body and get into and cause the fish body to run off and death in the drainage pipeline.
In order better to realize protection to the fish body, prevent that the fish body from getting in the drainage pipeline, the anti-degree of depth of the height of filter pipe 3 more than or equal to fishpond 6 of escaping of whole draining gets into from anti-filter pipe 3 tops of escaping of draining to prevent the fish body.In order to adapt to the fish body of different sizes, the mesh diameter of filter cloth net 4 is generally chosen in 3 ~ 8mm scope, and concrete numerical value depends on the specification of fry in the fishpond 6.
The method for using of the utility model is following.
1, the fry gathering unit is installed
At first close the water inlet pipe and the air inlet pipe valve in fishpond 6; The people drives to accumulate near the fry of fishpond 6 bottom discharge tubing strings; Make it to leave, get a diameter again and cover the column pipe of 6 bottoms, fishpond, take out drainpipe when confirming in the guard no fish for this device fish gathering storehouse cylindrical guard of 1 cross-sectional diameter more than 1.5 times; Fishpond drainpipe jack 7 is put in the fish gathering storehouse 1 of this device, then taken out the installation steps that guard is promptly accomplished whole fry gathering unit.
2, fry is collected and fishes for
Open the water discharging valve in fishpond 6 after step 1 is accomplished, treat that the water in the fishpond 6 drained at 2/3 o'clock, existing a large amount of fries accumulate in the fish gathering storehouse 1, can carry out the fry collection first time this moment and fish for operation.The installation steps of guard in the repeating step 1 are closed water discharging valve after installing guard, this fry gathering unit is taken out, and the fry in the fish gathering storehouse 1 is poured in the good container of chosen in advance together with water, promptly accomplish fry and collect and fish for operation.
Repeating step 1 and step 2, the water in fishpond 6 has all been arranged, and the fry in the fishpond 6 is also all collected thereupon and fishes for to the good container of chosen in advance.The pond only need can be collected out with whole fries 1 ~ 2 time in general every pond, and whole operation only needs a people to accomplish, and can carry out simultaneously in many ponds.
The core of the utility model is through adopting fish gathering storehouse 1 as fishing for device; Be provided with simultaneously that draining is anti-escapes that filter pipe 3 is used for draining, filter cloth net 4 is used to intercept the fish body; Make the whole circulation water cultivating system fry gathering unit can be by the draining flow action; Make the fish body get in the fish gathering storehouse 1 naturally; Not only can improve catching rate, reduce and to fish for difficulty, simultaneously the fish body is in the process of fishing for has under the water state, the fish body stress reaction of effectively having avoided causing because of factors such as operation, anoxics and to the infringement of fish body.So its protection domain is not limited to the foregoing description.Obviously, those skilled in the art can carry out various changes and distortion to the utility model and not break away from the scope and the spirit of the utility model.If these changes and distortion belong in the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and is out of shape interior.