CN212877229U

CN212877229U - Fish seed breeding device

Info

Publication number: CN212877229U
Application number: CN202021937871.3U
Authority: CN
Inventors: 陈明光; 付国森; 陈杰
Original assignee: Chongqing Three Gorges Eco Fisheries Co ltd
Current assignee: Chongqing Three Gorges Eco Fisheries Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-04-06
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a fish breeding device, which comprises a breeding pond, a sewage drainage pipe and a water level control pipe arranged outside the breeding pond; one end of the sewage draining pipe is communicated with the bottom of the culture pond, and the water level control pipe is communicated with the sewage draining pipe; the pipe orifice of the bottom of the culture pond communicated with the sewage discharge pipe is also provided with an escape-proof net. The water quantity of the pool can be accurately controlled, and the stability of the water environment is improved.

Description

Fish seed breeding device

Technical Field

The utility model relates to an aquaculture technical field, concretely relates to fingerling breeding device.

Background

Aquaculture is an important component in traditional agricultural production. Two common fish breeding methods are to erect net cages directly in a pond and in the pond, but both the two methods have the disadvantages of inconvenient management and operation, easy influence by the change of the water environment of the pond, such as oxygen amount, excrement, residual feed and the like, and the problems of difficult control and precision of the dosage of the external disease-preventing disinfectant, low breeding survival rate, high cost and the like.

In addition, as disclosed in CN210538256U, a fish culture apparatus includes a central tube, a water inlet tube, a tank, an annular tube, a plurality of nozzles and a water discharge tube, wherein the annular tube is circumferentially fixed on an annular inner side wall of the tank, the water inlet tube is fixed on an inner wall of the tank, a water outlet of the water inlet tube is communicated with the annular tube, a plurality of nozzles are circumferentially distributed on the annular tube, the nozzles are communicated with the annular tube, a water inlet is opened, and the inclination directions of the nozzles circumferentially distributed along the annular tube are consistent, so that water streams sprayed by the plurality of nozzles can make a water body in the tank form a vortex to promote the fish school to circularly move, thereby realizing the vortex type healthy culture of live; the central tube is a hollow tube, the wall of the central tube is provided with a plurality of small holes, the diameter of each small hole is smaller than the diameter of the transverse section of the fish in the pool body so that the fish cannot pass through the small hole, the lower end of the central tube is movably connected and communicated with the drain pipe, and the breeding waste can be efficiently discharged through the small holes.

In the fish culture device, the central pipe is inconvenient for net spreading, so that the fishing operation is inconvenient; when the pond water is reduced or emptied, the central pipe is also required to be pulled off from the center of the pond, the water level of the pond water is required to be observed in real time when the water level is reduced, the fish is prevented from being killed due to oxygen deficiency caused by draining of the pond water, and the pond water is required to be pulled off from the center of the pond to be plugged after the water level is reduced to a preset water level, so that the operation is troublesome. In addition, when the disinfectant is put into the pond water, water is continuously injected for increasing oxygen, so that the disinfectant is continuously diluted, the drug effect is poor, the drug effect time is short, if the ideal drug effect is achieved, a large amount of drugs need to be put into the pond water, the drug application is not accurate, the proportion of the drugs to the pond water cannot be accurately measured, and the fry can be damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fingerling breeding device, can the accurate control pond water yield, improve the stability of water environment.

The utility model aims to realize the fish breeding device, which comprises a breeding pond, a sewage draining pipe and a water level control pipe arranged outside the breeding pond; one end of the sewage draining pipe is communicated with the bottom of the culture pond, and the water level control pipe is communicated with the sewage draining pipe; the pipe orifice of the bottom of the culture pond communicated with the sewage discharge pipe is also provided with an escape-proof net.

In this embodiment, the aquarium cross-section is circular, rectangular or other shapes, preferably rounded rectangular. One end of the sewage drainage pipe is communicated with the bottom of the pond, the other end of the sewage drainage pipe is communicated with the water level control pipe, the lower end of the water level control pipe is communicated with the bottom of the culture pond through the sewage drainage pipe, and the water level of the pond in the culture pond is kept level with the liquid level in the water level control pipe due to the influence of pressure.

The water outlet of the water level control pipe is preferably upward, and the height of the water level control pipe is the highest water level supposed in the culture pond; when the water level of the pond water in the culture pond is higher than the supposed highest water level, the redundant pond water is discharged from the water outlet of the water level control pipe until the water level in the culture pond is equal to the supposed highest water level. In addition, the water level control pipe can ensure the precision of the water quantity of the pool body, can accurately use medicine for sterilization according to the planned external sterilization dose, continuously maintain the planned concentration and keep the medicine effect, and achieve the purpose of saving medicine.

The pipe orifice of the sewage drainage pipe at the bottom of the pool is covered or fixedly connected with an escape-proof net, the size of the mesh of the escape-proof net is moderate, when the fry is prevented from escaping, waste such as residual bait, excrement and the like is not influenced to pass through the mesh of the escape-proof net and is discharged outwards along with pool water, the fish is not injured, the waste is not blocked, and the cleaning is not needed. The anti-escape net is preferably a stainless steel wire net with 3.5mm meshes, the meshes are smaller than the height of the fry and larger than the grain sizes of excrement, residual bait and the like, so that the fry cannot escape from the meshes, wastes cannot be blocked, and residual bait in the pond water cannot be blocked.

Due to the adoption of the technical scheme, the utility model discloses following advantage has:

1, convenient management and operation: because no central cannula and other obstacles exist in the pond, the fishing operations of screening, grading, pond transferring, selling and the like are convenient, and the fishing can be completed by one net.

2, accurate, safe and controllable: can collect wastes such as baits, excrement and the like to the bottom of the culture pond in time and automatically discharge along with water flow, thereby ensuring the water quality of the pond water. The external disinfectant is accurate, can maintain the drug effect for a long time and ensures the drug safety. The feeding is accurate, the residual baits which are not completely sunk into the bottom of the pool can be checked and found during sewage discharge and drainage, and the feeding amount is adjusted in time.

3 the utility model discloses do not receive influence such as outside weather change, can be open-air or locate the greenhouse indoor, overcome the pond or erect the not enough of net cage cultivation fingerling in the pond, the process is visual controllable, but batch breeding.

Drawings

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

fig. 2 is a schematic front view of another embodiment of the present invention;

fig. 3 is a schematic top view of the present invention;

fig. 4 is another schematic top view of the present invention;

fig. 5 is a schematic structural view of an oxygenation plate of the present invention;

fig. 6 is a schematic structural view of another oxygenation plate of the present invention;

wherein, 1 culture pond, 2 blowdown drains, 3 oxygenation dishes, 4 oxygenation pipes, 5 prevent escaping the net, 6 control valves, 7 water level control pipes.

Detailed Description

Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It is to be understood that the invention is capable of other and different embodiments and its several details are capable of modification without departing from the scope of the invention, and that the description and drawings are to be regarded as illustrative in nature and not as restrictive.

As shown in fig. 1 to 6, a fish breeding device comprises a breeding pond 1, a sewage drainage pipe 2 and a water level control pipe 7 arranged outside the breeding pond 1; one end of the sewage drainage pipe 2 is communicated with the bottom of the culture pond 1, and the water level control pipe 7 is communicated with the sewage drainage pipe 2; the pipe orifice of the bottom of the culture pond 1 communicated with the sewage drainage pipe 2 is also provided with an escape-proof net 5.

In this embodiment, the aquarium cross-section is circular, rectangular or other shapes, preferably rounded rectangular. One end of the sewage drainage pipe 2 is communicated with the bottom of the pond, the other end of the sewage drainage pipe is communicated with the water level control pipe 7, the lower end of the water level control pipe 7 is communicated with the bottom of the culture pond 1 through the sewage drainage pipe 2, and the water level of the pond water in the culture pond 1 is kept level with the liquid level in the water level control pipe 7 due to the influence of pressure.

The water outlet of the water level control pipe 7 is upward preferably, and the height of the water level control pipe 7 is the highest water level assumed in the culture pond 1; when the water level of the pond water in the culture pond 1 is higher than the supposed highest water level, the redundant pond water is discharged from the water outlet of the water level control pipe 7 until the water level in the culture pond 1 is equal to the supposed highest water level. In addition, the water level control pipe 7 can ensure the precision of the water quantity of the pool body, can accurately use medicine for sterilization according to the planned external sterilization dose, continuously maintain the planned concentration and keep the medicine effect, and achieve the purpose of saving medicine.

Cover or the rigid coupling has the net 5 of preventing escaping on the mouth of pipe of the blowdown drain pipe 2 that is located the bottom of the pool, prevent escaping 5 meshes of net size moderate, when preventing that the fry from escaping, do not influence waste materials such as incomplete bait, excrement and urine and pass and prevent escaping 5 meshes of net and outwards discharge along with pond water yet, do not hinder the fish, do not block up waste materials, also need not the washing. The anti-escape net 5 is preferably a stainless steel wire net with 3.5mm mesh, the mesh is smaller than the height of the fry and larger than the grain sizes of excrement, residual bait and the like, so that the fry cannot escape from the meshes, wastes cannot be blocked, and the residual bait in the pond water cannot be blocked.

Further, the water level control pipe 7 is an integrally formed pipe or is composed of more than 2 sections of connecting pipes. The water level control pipe 7 can be an integrated pipe or formed by splicing more than 2 sections of connecting pipes. Preferably 2-3 connecting pipes, and the connecting pipe is preferably a PVC connecting pipe. When the culture pond 1 discharges sewage and changes water regularly, the number of the connecting pipes at the upper end is pulled out according to the situation, for example, only the uppermost 1 section is pulled out when water is changed in a small range, and the uppermost 2 sections are pulled out when water is changed in a large range; the excess pond water in the culture pond 1 will be drained outwards until the water level in the culture pond 1 is level with the highest level assumed.

In addition, under the state of microflow water injection to the pond, waste is automatically discharged along with redundant pond water through the water level control pipe 7; in the state of no water injection, when the sewage is drained regularly, only a proper number of connecting pipes of the water level control pipes 7 need to be manually pulled off, the connecting pipes are inserted at any time after the connecting pipes are lowered to the supposed highest water level, and the water level control pipes 7 do not need to be pulled out completely; moreover, the pond water is not drained no matter whether the pond is attended or not, the automatic control effect is achieved, and the operation is simple, convenient, safe and effective.

Furthermore, a control valve 6 is arranged on the sewage draining pipe 2, and a water level control pipe 7 is arranged between the culture pond 1 and the control valve 6. A control valve 6 is preferably provided at the extreme end of the sewage drain pipe 2 for controlling the circulation or closing of the sewage drain pipe 2. When the control valve 6 is opened, the waste in the culture pond 1 is discharged from the sewage drainage pipe 2 along with the pond water, and when the pond water needs to be drained or the culture pond 1 needs to be cleaned, the control valve 6 is opened. When control valve 6 closed, the water in the pond of breeding 1 will flow from water level control pipe 7 department, can prevent because of opening of control valve 6, breed 1 bottom of the pool in pond and the water pressure of the mouth of pipe department of blowdown drain pipe 2 intercommunication too big and cause the injury to weak little fry.

Further, the oxygen increasing device also comprises an oxygen increasing disc 3 which is arranged in the culture pond 1 and is connected with an oxygen increasing pipe 4. The oxygenation disc 3 is arranged in the culture pond 1, the oxygenation pipe 4 is fixedly connected to the oxygenation disc 3, one end of the oxygenation pipe 4 is communicated with an air outlet of a fan, and the fan can be a Roots fan, a vortex fan or an air compressor. After the fan is opened, gas supplies air to the pool through the aeration of the aeration pipe 4 for oxygenation, the oxygen content in water is greatly improved, the fluidity of water is increased, the pool water is driven to flow in a clockwise or anticlockwise annular mode and collect sewage in a rotating mode, and therefore waste materials such as residual bait and excrement in the pool water are settled to the bottom of the pool along with the continuous rotating flow of the pool water and are discharged through the sewage discharge pipe 2. During cultivation, normal cultivation production can be carried out only by starting the fan to increase oxygen and collecting sewage in a rotational flow water body and keeping micro-flow water injection or not injecting water.

Further, the number of the oxygenation discs 3 is more than 1, and more than 1 oxygenation disc 3 can be arranged at the same position. The oxygenation plate 3 is obliquely or vertically arranged at the bottom or the wall of the culture pond 1, preferably has the same oblique direction, and can better and more effectively push the pond water to form rotational flow; preferably placed in a pool, and can be pumped out at any time without draining for water surface inspection, cleaning and adjustment. In addition, oxygenation dish 3 evenly distributed is in breeding pond 1, can further guarantee the orderly downward deposit of waste material in the pond, is difficult for causing the jam of blowdown drain pipe 2 yet. When in use, the number of the oxygenation plates 3 and the air supply quantity are adjusted according to specific use conditions, so that the cultivation density and the cultivation efficiency are improved.

Furthermore, the bottom of the culture pond 1 is in a gong-pot shape. The periphery of the bottom of the culture pond 1 is gradually inclined towards the center and is in an inverted frustum shape or a funnel shape, and the shape is preferably a gong-pot shape; the slope is preferably >5 degrees, so that waste in the culture pond 1 can be better settled, and the situation of accumulation at the bottom of the pond is avoided.

Further comprises a water injection pipe with a water outlet positioned in the culture pond 1. By controlling the water quantity of the water injection pipe, clean new water is injected in the normal sewage discharge operation or after the water in the pool is drained. The water injection pipe is preferably 45 degrees water injection, daily not water injection or little water injection that keeps, when oxygenation dish 3 when stopping work because of reasons such as power failure or trouble, can also increase the water injection volume, by oxygenation dish 3 oxygenation, rotatory dirty mode of collection convert into the water injection oxygenation, drive the rotatory dirt that collects of pond water, provide the guarantee for the cultivation of fry.

Through multi-batch inspection, the utility model has the characteristics of good water quality, accurate external disease prevention and medication, small dosage, quick effect and no serious diseases; moreover, the domestication is successful and thorough, the domesticated fingerlings have good quality and regular specification, the adult fish is transferred to an external pond to be bred and fed quickly, the feeding speed is high, and the survival rate is over 95 percent.

The water quantity of the pond is 1 time of that of the pond water required every day, so that the cultivation requirement can be met, and the water consumption is saved by 75 percent; the cultivation time is shortened from 45-50 days to 40 days, the food habit domestication time is shortened from 7-10 days to 5-7 days, the cultivation survival rate after food habit domestication reaches more than 90%, and the manpower is saved by about 50%; the bait coefficient is reduced to 0.65-0.75 from 0.75-0.85, and the feed is saved by about 10%; the survival rate of the fry is more than 95 percent, is 30 to 50 percent higher than the survival rate of the fry bred by domestication in a pond and a net cage, has less 'closed fry', can be copied and applied to actual production in a template way, can continuously produce, shorten the breeding time, improve the production efficiency and the survival rate, reduce the production cost and improve the economic benefit.

Claims

1. A fish breeding device is characterized by comprising a breeding pond (1), a sewage drainage pipe (2) and a water level control pipe (7) arranged outside the breeding pond (1); one end of the sewage drainage pipe (2) is communicated with the bottom of the culture pond (1), and the water level control pipe (7) is communicated with the sewage drainage pipe (2); the pipe orifice of the bottom of the culture pond (1) communicated with the sewage drainage pipe (2) is also provided with an escape-proof net (5).

2. A fish rearing device according to claim 1, wherein the water level control tube (7) is an integrally formed tube or is composed of 2 or more pieces of connecting tubes.

3. A fish rearing device according to claim 1 or 2, characterized in that the blowdown drain pipe (2) is further provided with a control valve (6), and the water level control pipe (7) is provided between the rearing pond (1) and the control valve (6).

4. A fingerling rearing device according to claim 1 or 2, further comprising an oxygenation disc (3) arranged in the rearing pond (1) and connected to the oxygenation tube (4).

5. A fingerling rearing device according to claim 3, further comprising an oxygenation disc (3) arranged in the rearing pond (1) and connected to the oxygenation tube (4).

6. A fish rearing device according to claim 1, 2 or 5, characterized in that the bottom of the rearing pond (1) is gong-pot shaped.

7. A fish rearing device according to claim 3, wherein the bottom of the rearing pond (1) is in the shape of a gong-pot.

8. A fish rearing device according to claim 4, characterized in that the bottom of the rearing pond (1) is in the shape of a gong-pot.