CN210406690U

CN210406690U - Tilapia fry screening and separate culturing device

Info

Publication number: CN210406690U
Application number: CN201920792346.8U
Authority: CN
Inventors: 简伟业; 赖永强
Original assignee: Maoming City Weiye Tilapia Seed Field
Current assignee: Guangdong Weiye Improved Tilapia Breeding Co ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-04-28
Anticipated expiration: 2029-05-29

Abstract

The utility model provides a tilapia fry screening and separating device, which comprises a shell, a screen, a feeding pipe and a temperature control pipe; the screen is arranged in the shell and divides the shell into a temporary culture pond and a plurality of screening ponds, baffles are arranged close to the screen, two ends of each baffle are connected with the shell in a sliding manner, a water inlet and a first water outlet are respectively arranged at two ends of the shell, which face the screen, the water inlet and the first water outlet are respectively provided with a first filter screen, the mesh of the screen close to the water inlet is smaller, and the bottom and two side ends of each of the temporary culture pond and the screening ponds are respectively provided with a nutrient supply pipe and a temperature control pipe; according to the top flow habit of fish, the characteristic that the mesh openings of the screen with the water inlet and the screen close to the water inlet are smaller is that the fish fries are screened layer by layer, the screened fish fries cannot swim back due to the baffle, and the dead fish fries are remained in the temporary rearing pond; the fry breeding device is provided with the feeding pipe and the temperature control pipe, so that sufficient oxygen can be provided for fry breeding, constant temperature can be kept, and the survival rate of the fry is improved.

Description

Tilapia fry screening and separate culturing device

Technical Field

The utility model belongs to the technical field of the tilapia breed technique and specifically relates to a tilapia seedling screening and separate fostering device.

Background

The breed of fry, need screen the fry before the fry is thrown in the pond, guarantee the survival rate of fry on the one hand, on the other hand is through the fry of screening, can put in respectively according to the size, distinguish the management and then guarantee that the fry can not take place the condition that weak meat robbed the food because of not uniform in size, increase the mortality, thereby increase the cost input, also can make the fry of different sizes absorb the due nutrient composition of this growth stage simultaneously, borrow this efficiency that reaches the stable growth of fry.

The traditional sorting method is that workers manually sort fish fries according to experience, the method is time-consuming and labor-consuming, the fish fries are easy to damage, the size of the fish fries and the distinguishing of live fish fries and dead fish fries are difficult to control, and the survival rate of the fish fries can be reduced if the sorted fish fries are frequently changed into breeding places.

SUMMERY OF THE UTILITY MODEL

To the size of above-mentioned traditional sorting mode to the fry and the differentiation of live fry and dead fry be difficult to control, also can reduce the problem of the survival rate of fry to the fry that sieves out often changes the place of breeding moreover, the utility model provides a tilapia seedling sieves and separately supports device.

In order to achieve the above purpose, the utility model discloses a realize through following technical scheme:

a tilapia fry screening and separating device comprises a shell, a screen, a feeding pipe and a temperature control pipe; the screen cloth is installed the inside of casing and will the casing is separated and is formed a pond of fostering temporarily and a plurality of screening pond, is close to the screen cloth is equipped with the baffle, the both ends of baffle with casing sliding connection sets up, the casing faces the both ends of screen cloth are equipped with water inlet and first delivery port respectively, the water inlet with first delivery port all is equipped with first filter screen, is close to more the water inlet the mesh of screen cloth is littleer, the pond of fostering with the bottom and the both sides end in screening pond all are equipped with respectively support the pipe with the temperature control pipe.

Further, the screening pools are at least 2; a plurality of screening ponds can be more meticulous the size of distinguishing fry, reduce the big fry and grab the condition of eating thereby improve the survival rate of fry.

Furthermore, a second water outlet and a third water outlet are further formed in the bottom end of one side of the screening pool, a second filter screen is arranged at the second water outlet, and meshes of the first filter screen and the second filter screen are equal and smaller than the size of the tilapia fries; the setting of filter screen prevents that the fry from running out the casing, the second delivery port is for reducing the water in screening pond, the third delivery port is the transport fry and water in the screening pond prevent to shift the fry and reduce the survival rate of fry.

Furthermore, the nutrient supplying pipe is an annular pipe with a round hole at one side; the range of oxygen supply of the oxygen supply pipe in the screening tank is expanded.

Further, the water inlet is communicated with a water tank through a pipeline, a pump is arranged between the water tank and the water inlet, and the first water outlet is communicated with the water tank through a pipeline; the water resource is recycled, the waste of the water resource is reduced, the environment is protected, and the production cost is reduced.

Further, mucus of the loaches is coated on the screen; the loach mucus has viscosity and lubrication functions and has the function of blocking germ infection, the loach mucus is adhered to the surface of the loach when the loach passes through the screen, so that the loach mucus lubricates the surface of the loach and protects the surface of the loach from germ infection, and due to the lubrication function of the mucus, the damage of the screen to the loach is reduced, and the survival rate of the loach is improved.

The utility model has the advantages that: according to the top flow habit of fish, the characteristic that the water inlet and the mesh openings of the screen mesh close to the water inlet are smaller is provided, so that the fry are screened layer by layer, the screened fry cannot swim back, and the dead fry is remained in the temporary rearing pond; the fry breeding device is provided with the feeding pipe and the temperature control pipe, so that sufficient oxygen can be provided for fry breeding, constant temperature can be kept, and the survival rate of the fry is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

in the figure: 1. temporarily breeding in a pond; 2. a water tank; 3. a pump; 4. a screening pool; 5. a feeding pipe; 6. a circular hole; 7. a water inlet; 8. a temperature control tube; 9. a baffle plate; 10. screening a screen; 11. a first water outlet; 12. a first filter screen; 13. a second water outlet; 14. a third water outlet; 15. a second filter screen; 16. a housing.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings:

as shown in fig. 1, a tilapia fry screening and separating device comprises a shell 16, a screen 10, a feeding pipe 5 and a temperature control pipe 8; the screen 10 is arranged in the shell 16 and divides the shell 16 into a temporary culture pond 1 and a plurality of screening ponds 4, a baffle 9 is arranged close to the screen 10, two ends of the baffle 9 are slidably connected with the shell 16, a water inlet 7 and a first water outlet 11 are respectively arranged at two ends of the shell 16, which face the screen 10, the water inlet 7 and the first water outlet 11 are both provided with a first filter screen 12, the mesh of the screen 10 close to the water inlet 7 is smaller, and the bottom and two side ends of the temporary culture pond 1 and the screening ponds 4 are respectively provided with a culture tube 5 and a temperature control tube 8.

Further, at least 2 screening pools 4 are provided; the screening ponds 4 can distinguish the size of the fry more carefully, and the condition that the big fry snacks is reduced, so that the survival rate of the fry is improved.

Further, a second water outlet 13 and a third water outlet 14 are further arranged at the bottom end of one side of the screening pool 4, a second filter screen 15 is arranged at the second water outlet 13, and meshes of the first filter screen 12 and the second filter screen 15 are equal and smaller than the size of the tilapia fries; the filter screen is arranged to prevent the fry from running out of the shell 16, the second water outlet 13 is used for reducing water in the screening pool 4, and the third water outlet 14 is used for conveying the fry and water in the screening pool 4 to prevent the fry from being transferred and the survival rate of the fry from being reduced.

Further, the feeding pipe 5 is an annular pipe with a round hole 6 at one side; the range of oxygen supply of the oxygen supply pipe 5 in the screening tank 4 is enlarged.

Further, the water inlet 7 is communicated with the water tank 2 through a pipeline, a pump 3 is arranged between the water tank 2 and the water inlet 7, and the first water outlet 11 is communicated with the water tank 2 through a pipeline; the water resource is recycled, the waste of the water resource is reduced, the environment is protected, and the production cost is reduced.

Further, mucus of loach is coated on the screen 10; the loach mucus has viscosity and lubrication functions and has the function of preventing bacterial infection, the loach mucus is adhered to the surface of the loach when the loach passes through the screen 10, so that the loach mucus lubricates the surface of the loach and protects the surface of the loach from being infected by the bacterial infection, and due to the lubrication function of the mucus, the damage of the screen 10 to the loach is reduced, and the survival rate of the loach is improved.

The working principle of the utility model is as follows:

as shown in fig. 1, firstly, the baffle 9 is pulled up, a certain amount of water is put in the shell 16, then the fry is put in the temporary rearing pond 1, then the water in the water tank 2 flows circularly from the water inlet 7 to the first water outlet 11 to the water tank 2 through the pump 3, because of the fish top flow habit, the fry swims from the temporary rearing pond 1 to the water inlet 7, the fry is screened layer by layer when passing through the screen 10, when all the fry swims to the screen 10 due to the top flow habit and is intercepted by the screen 10, the pump 3 is closed and the baffle is put down, thus the fry with different sizes are separated, the fry which are dead are remained in the temporary rearing pond 1 and are cleaned by workers, then the feeding pipe 5 and the temperature control pipe 8 are opened, and the oxygen and the temperature of the water are supplied to the screening pond 4 and the temporary rearing pond 1; finally, after a period of cultivation, the second water outlet 13 is opened to reduce a part of water, and then the third water outlet 14 is opened to convey the fry and the water in the screening pond 4 out together, so that the fry with different sizes can be classified and sold.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

according to the top flow habit of fish, the characteristic that the meshes of the screen mesh 10 which is provided with the water inlet 7 and is closer to the water inlet 7 are smaller is that the fry is screened layer by layer, the baffle 9 is arranged, so that the screened fry can not swim back, and the dead fry can be remained in the temporary rearing pond 1; the fish fry breeding device is provided with the feeding pipe 5 and the temperature control pipe 8, so that sufficient oxygen can be provided for fish fry breeding, constant temperature can be kept, and the survival rate of the fish fries is improved.

The above is only the preferred embodiment of the present invention, and not the patent protection scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims

1. A tilapia fry screening and separating device is characterized by comprising a shell, a screen, a feeding pipe and a temperature control pipe; the screen cloth is installed the inside of casing and will the casing is separated and is formed a pond of fostering temporarily and a plurality of screening pond, is close to the screen cloth is equipped with the baffle, the both ends of baffle with casing sliding connection sets up, the casing faces the both ends of screen cloth are equipped with water inlet and first delivery port respectively, the water inlet with first delivery port all is equipped with first filter screen, is close to more the water inlet the mesh of screen cloth is littleer, the pond of fostering with the bottom and the both sides end in screening pond all are equipped with respectively support the pipe with the temperature control pipe.

2. The tilapia fry screening and cultivating device according to claim 1, characterized in that at least 2 screening ponds are provided.

3. The tilapia fry screening and separating device according to claim 1, wherein a second water outlet and a third water outlet are further arranged at the bottom end of one side of the screening pool, a second filter screen is arranged at the second water outlet, and the meshes of the first filter screen and the second filter screen are equal and smaller than the size of tilapia fries.

4. The tilapia fry screening and separate culturing device according to claim 1, wherein the culturing pipe is an annular pipe with a round hole on one side.

5. The tilapia fry screening and separating device according to claim 1, wherein said water inlet is communicated with a water tank through a pipeline, a pump is arranged between said water tank and said water inlet, and said first water outlet is communicated with said water tank through a pipeline.

6. The tilapia fry screening and separating device according to claim 1, wherein mucus of loach is coated on the screen.