CN213992128U - Filter screen for breeding crayfishes - Google Patents

Abstract

The utility model discloses a crayfish breeding breeds and uses filter screen belongs to crayfish breeding device technical field. The oxygen supply device comprises an outer net, an inner net and oxygen supply equipment, wherein the inner net is arranged in the outer net, and the oxygen supply equipment is arranged on the outer net. It can collect the juvenile shrimp automatically, has improved efficiency, can discharge excrement and urine simultaneously, guarantees quality of water.

Description

Filter screen for breeding crayfishes

Technical Field

The utility model belongs to the technical field of cray breeding device, concretely relates to cray breeding breeds and uses filter screen.

Background

Crayfish is shaped like shrimp and its shell is hard. The length of the finished product is about 5.6-11.9 cm, and the whole color comprises red, reddish brown and pink. The crayfish is a high-quality freshwater shrimp, the fry breeding and the breeding production have obvious seasonality, the contradiction between the breeding production and the market supply and demand is increasingly prominent along with the vigorous market demand of the crayfish, however, sufficient crayfish fries are required for improving the yield of the bred crayfish and the development of a facility and a technology suitable for high-density breeding.

The crayfish needs to cultivate two months in breeding equipment and can reach the mating, lay eggs and hatching overall process, during the daytime almost stay in artifical nest, the activity and the facility of coming out night, through our five accuse artificial induction techniques, the crayfish appears mating and embraces the phenomenon gradually, through the enhancement cultivation of a period of time, female shrimp ovulate to the afterbody and wraps up the embryonated egg at the afterbody through the pellicular of production, we remove male shrimp at this moment and provide a quiet incubation environment of not having a war for female shrimp, through the cultivation of a period of time, the embryonated egg begins to hatch, the juvenile shrimp leaves the parent, we remove female shrimp at this moment and provide a safe growing environment for the juvenile shrimp.

The inventor finds that the prior arts have at least the following technical problems in the practical use process:

in the process of breeding, the young shrimp leaves the parent, needs the manual work to screen the young shrimp, can't collect the young shrimp automatically, and is inefficient, and excrement and urine piles up easily simultaneously, can't discharge, pollutes quality of water.

Disclosure of Invention

For overcoming the not enough of above-mentioned existence, the utility model discloses an inventor continuously reforms transform and innovate through long-term exploration attempt and experimental and the effort many times, has provided a crayfish breeding and has bred and use the filter screen, and it can collect juvenile shrimp automatically, has improved efficiency, can discharge excrement and urine simultaneously, guarantees quality of water.

In order to realize the purpose, the utility model adopts the technical scheme that: the utility model provides a crayfish breeding breeds and uses filter screen, includes outer net, inlayer net and oxygen supply equipment, the inlayer net sets up among the outer net, oxygen supply equipment is connected with the outer net, the inlayer net includes first inlayer net and second inlayer net, first inlayer net is located the center of outer net and on the coplanar rather than, the vertical setting of second inlayer net is under first inlayer net, the mesh of first inlayer net is 1cm, and the mesh of second inlayer net is 10 meshes.

According to the utility model a crayfish seed selection breed and use filter screen, its further preferred technical scheme is: the edge of the outer layer net is tightly attached to the edge of the breeding water tank.

According to the utility model a crayfish seed selection breed and use filter screen, its further preferred technical scheme is: the edge outlines of the outer layer net and the inner layer net are respectively connected with a first connecting piece and a second connecting piece, and the first connecting piece and the second connecting piece are made of stainless steel.

According to the utility model a crayfish seed selection breed and use filter screen, its further preferred technical scheme is: the oxygen supply equipment comprises an oxygen pipe and an oxygen hole, wherein the oxygen hole is formed in the first connecting piece, and the oxygen pipe is connected with the first connecting piece.

According to the utility model a crayfish seed selection breed and use filter screen, its further preferred technical scheme is: the outer net is of an arc-shaped structure, the first inner net is of a circular structure, the second inner net and the first inner net are combined into a closed net structure through a second connecting piece, and the first connecting piece and the second connecting piece are of circular structures.

According to the utility model a crayfish seed selection breed and use filter screen, its further preferred technical scheme is: the inner net and the outer net are located on the same plane through the fixing rod, a zipper is arranged on the first inner net, and the second connecting piece is connected with the fixing rod through a bolt.

According to the utility model a crayfish seed selection breed and use filter screen, its further preferred technical scheme is: and a fixed rod is horizontally and fixedly connected between the first connecting piece and the second connecting piece, and the inner layer net and the outer layer net are positioned on the same plane through the fixed rod.

According to the utility model a crayfish seed selection breed and use filter screen, its further preferred technical scheme is: the meshes of the outer layer net are 10 meshes.

Compared with the prior art, the technical scheme of the utility model have following advantage beneficial effect:

the filter screen includes outer net, first inlayer net and second inlayer net, the inlayer net sets up among the outer net, the mesh of first inlayer net is big than the second inlayer net, can make the shrimp pass through, the mesh of outer net and second inlayer net only can make incomplete bait excrement and urine pass through, and the shrimp leaks from first inlayer net and falls into the second inlayer net, does not need the manual work to collect the shrimp, can accomplish the effect of automatic collection shrimp seedling, simple structure, convenient to use, and first inlayer net, second inlayer net and outer net can both make excrement and urine pass through, can not pile up at the pelvic floor, guarantee fresh, clean of water, clean.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of the filter screen for breeding crayfish of the present invention.

Fig. 2 is a schematic structural view of the oxygen equipment of the present invention.

Fig. 3 is a schematic structural view of the inner net of the present invention.

The labels in the figure are respectively: 10 outer layer net, 20 inner layer net, 30 oxygen supply equipment, 40 first connecting piece,

50 second connecting pieces, 60 fixing rods, 70 zippers and 80 screw holes; 21 a first inner web, 22 a second inner web; 31 oxygen pipe, 32 oxygen holes.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

Example (b):

as shown in figure 1, the filter screen for breeding crayfishes comprises: the oxygen supply device comprises an outer net 10, an inner net 20, oxygen supply equipment 30, a first connecting piece 40, a second connecting piece 50, a fixing rod 60, a first inner net 21, a second inner net 22, an oxygen pipe 31 and an oxygen hole 32.

The inner layer net 20 and the outer layer net 10 are nylon meshes, the inner layer net 20 is arranged in the outer layer net 10, the edge of the outer layer net 10 is tightly attached to the edge of the breeding water tank, and the shape of the outer layer net 10 is matched with that of the breeding water tank. The edge profiles of the outer layer net 10 and the inner layer net 20 are respectively provided with a first connecting piece 40 and a second connecting piece 50, the first connecting piece 40 and the second connecting piece 50 are made of stainless steel, namely the first connecting piece 40 and the second connecting piece 50 enclose the edges of the outer layer net 10 and the inner layer net 20, the oxygen hole 31 is formed in the first connecting piece 40, the oxygen pipe 31 is connected with the first connecting piece 40, and the oxygen pipe is connected with an external oxygen conveying device.

The inlayer net 20 includes first inlayer net 21 and second inlayer net 22, first inlayer net 21 is located outer net 10's center and on the coplanar, the vertical setting of second inlayer net 22 is under first inlayer net 21, and second inlayer net 22 is perpendicular with first inlayer net 21 promptly, the opening of second inlayer net 22 and the coincidence of the profile of second connecting piece 50, second inlayer net 22 makes up into confined network structure through second connecting piece 50 and first inlayer net 21, promptly after the shrimp seedling falls into second inlayer net, can't flee. The diameter of the outer layer net 10 is 150cm, the diameter of the inner layer net 20 is 20cm, the outer layer net 10 is 10 meshes, the meshes of the first inner layer net 21 are 1cm, the diameter of the second inner layer net 22 is 10 meshes, the first inner layer net 21 is circular, the outer layer net 10 is arc-shaped, and the shape of the central first inner layer net 21 is reduced when the outer layer net 10 is circular. The first connecting piece 40 and the second connecting piece 50 are of circular ring structures, fixing rods 60 are horizontally and fixedly connected between the first connecting piece 40 and the second connecting piece 50, the number of the fixing rods 60 is 4, one fixing rod is distributed every 90 degrees, and the inner layer net 20 and the outer layer net 10 are located on the same plane through the fixing rods 60.

The second connecting piece is connected with a fixing rod bolt, the second inner net 22 and the first inner net 21 are fixedly connected with the second connecting piece 50, namely the bolt is unscrewed, the inner net can be taken out simultaneously by taking down the second connecting piece 50, and a zipper 70 is arranged at the connecting part of the first inner net and the second connecting piece, so that the crayfishes collected in the second inner net 22 can be taken out conveniently. Oxygen supply equipment 30 is connected with outer net 10, oxygen supply equipment 30 includes oxygen hose 31 and oxygen hole 32, oxygen hole 32 has a plurality ofly, the even setting of oxygen hole 32 is on first connecting piece 40, oxygen hose 31 is connected with first connecting piece 40, oxygen supply equipment can replace with the circular nanometer oxygenation dish of diameter 80cm, and first connecting piece 40 and dead lever 60 are the steelframe of oxygenation dish promptly.

The utility model discloses use with breeding the basin cooperation, during the use, place outer net 10 and inlayer net 20 in breeding the basin, first connecting piece 40 closely laminates with the profile of breeding the basin, and the laminating of outlet edge of second connecting piece 50 and the breed basin can prevent that the cray from missing to bore and is washed away below outer net 10, and oxygen passes through oxygen hose 31 and gets into to come out from oxygen hole 32, provide oxygen for the cray. The first connecting member 40 and the second connecting member 50 are made of stainless steel, so that the stainless steel can be prevented from rusting in water, and the stainless steel has a certain weight, cannot float when placed in water, and can fix the outer net 10 and the inner net 20 to a certain degree. In the process of breeding, crayfish lives on outer net 10 and inner net 20 surface, crayfish's incomplete bait excrement and urine leaks through outer net 10 of 10 mesh meshes, the shrimp can not leak from outer net 10, when the shrimp climbs to first inner net 21, because first inner net 21 mesh is 1cm, can leak the crayfish down, the mesh of second inner net 22 only can make incomplete bait excrement and urine pass through for 10 meshes, the shrimp that leaks from first inner net 21 falls into second inner net 22, accomplish the effect of automatic collection shrimp seedling, then unscrew the bolt on the second connecting piece, take off second connecting piece 50, pull open the zip fastener on first inner net 21, just can take out the shrimp, because the second connecting piece is detachable, so can set up the second connecting piece that multiple have different aperture wire side according to actual conditions and select the crayfish of different sizes.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "below," and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or merely indicates that the first feature is at a lower level than the second feature.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims (8)

1. The utility model provides a crayfish breeding breeds and uses filter screen, its characterized in that, includes outer net, inlayer net and oxygen supply equipment, the inlayer net sets up among the outer net, oxygen supply equipment is connected with outer net, the inlayer net includes first inlayer net and second inlayer net, first inlayer net is located outer net's center and rather than on the coplanar, the vertical setting of second inlayer net is under first inlayer net, the mesh of first inlayer net is 1cm, and the mesh of second inlayer net is 10 meshes.

2. The filter screen for crayfish breeding and breeding as claimed in claim 1, wherein the edge of the outer layer screen is closely attached to the edge of the outer breeding water tank.

3. The filter screen for crayfish breeding and breeding as claimed in claim 2, wherein the outer layer net and the inner layer net are connected with a first connecting piece and a second connecting piece at the edge outlines respectively, and the first connecting piece and the second connecting piece are made of stainless steel.

4. The crayfish breeding filter screen as recited in claim 3, wherein the oxygen supply device comprises an oxygen pipe and an oxygen hole, the oxygen hole is formed in the first connecting piece, and the oxygen pipe is connected with the first connecting piece.

5. The filter screen for selective breeding of crayfish as claimed in claim 4, wherein the outer layer screen is of an arc structure, the first inner layer screen is of a circular structure, the second inner layer screen and the first inner layer screen are combined into a closed net structure through the second connecting piece, and the first connecting piece and the second connecting piece are of circular ring structures.

6. The filter screen for selective breeding of crayfish as claimed in claim 5, wherein a fixing rod is horizontally and fixedly connected between the first connecting member and the second connecting member, the inner net and the outer net are located on the same plane through the fixing rod, the first inner net is provided with a zipper, and the second connecting member is connected with the fixing rod through a bolt.

7. The filter screen for crayfish breeding and breeding as claimed in claim 6, wherein the diameter of the outer layer screen is 150cm, and the diameter of the inner layer screen is 20 cm.

8. The filter screen for crayfish breeding and breeding as claimed in claim 7, wherein the outer layer screen has 10 mesh.

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