CN219019943U

CN219019943U - Biological bait production device suitable for marine large yellow croaker breeds platform

Info

Publication number: CN219019943U
Application number: CN202222807634.0U
Authority: CN
Inventors: 王倩; 王亚冰; 彭士明
Original assignee: East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Current assignee: East China Sea Fishery Research Institute Chinese Academy of Fishery Sciences
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-05-16
Anticipated expiration: 2032-10-24

Abstract

The utility model provides a biological bait production device suitable for a marine large yellow croaker breeding platform, which comprises a culture device main body, wherein the culture device main body comprises a feed trough, the feed trough is connected with a seawater drainage pipe and an air diversion pipe, the seawater drainage pipe is also provided with a seawater branch drainage pipe, and the air diversion pipe is also provided with an air branch diversion pipe; the air branch draft tube is communicated with the culture tank through a feed pump, the culture tank is communicated with a harvesting tank through a recovery pump, the seawater branch draft tube is connected with a culture dish through a feed pump, the culture dish is connected with the harvesting dish through another recovery pump, and the harvesting dish is communicated with the harvesting tank. The utility model optimizes the structure of the culture device, can directly feed biological baits, and can cultivate partial baits so as to conveniently provide baits for cultured fishes in the marine pasture, increase the growth speed of the baits, improve the breeding quality of the baits, simultaneously facilitate the on-site ripening and spawning of parent fishes at sea, and save the transportation cost.

Description

Biological bait production device suitable for marine large yellow croaker breeds platform

Technical Field

The utility model relates to the technical fields of marine organism resource research, marine pasture, net cage culture and fishery resource protection and utilization, in particular to a biological bait production device suitable for an offshore large yellow croaker breeding platform.

Background

In order to ensure that the quality germplasm is influenced by environmental factors (epigenetic), the strain needs to be bred in a wild-simulated environment, and the fry of the large yellow croaker also grows in sea for scientific research and seed preservation. In the marine breeding platform cultivation of large yellow croaker, the open bait suitable for young large yellow croaker or young fish needs to be cultivated in real time, but the current marine breeding platform is far away from land, and the rope bait requirements of the young large yellow croaker or young fish cannot be met in a one-time, real-time and large-batch manner.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a biological bait production device suitable for an offshore large yellow croaker breeding platform, so as to solve at least one technical problem.

The technical scheme of the utility model is as follows: the biological bait production device suitable for the marine large yellow croaker breeding platform comprises a culture device main body, and is characterized in that the culture device main body comprises a feed trough, the feed trough is connected with a seawater drainage pipe and an air drainage pipe, the seawater drainage pipe is also provided with a seawater branch drainage pipe, and the air drainage pipe is also provided with an air branch drainage pipe;

the air branch draft tube is communicated with the culture tank through a feed pump, the culture tank is communicated with a harvesting tank through a recovery pump, the seawater branch draft tube is connected with a culture dish through a feed pump, the culture dish is connected with the harvesting dish through another recovery pump, and the harvesting dish is communicated with the harvesting tank.

The utility model optimizes the structure of the culture device, can directly feed biological baits, and can cultivate partial baits so as to conveniently provide baits for cultured fishes in the marine pasture, increase the growth speed of the baits and improve the breeding quality of the baits, and simultaneously, the utility model is convenient for on-site ripening and spawning of parent fishes at sea, can save the transportation cost of the parent fishes and improve the economic benefit. Because oxygen in seawater is mainly generated by ocean current stirring, if the seawater is unavoidably anoxic in a container, an air guide pipe needs to be added to provide oxygen for a feed trough.

Further preferably, the air guide pipe and the air branch guide pipe are connected with an air main pipeline, a filtering device and an instrument board are arranged in the air main pipeline, and a detector for detecting flow and pressure values is arranged on the instrument board. It is possible to record the flow data of the air intake and prevent impurities from entering the trough.

Further preferably, a filter, a stirrer and a heater for removing flocculation are installed in the culture tank. Thereby further removing impurities in the air and keeping the air in a certain constant temperature state.

Further preferably, an air stone is laid at the bottom of the feed trough, and the outlet of the air guide pipe faces the air stone.

The utility model can generate microporous bubbles in water by adding the air stone, and the bubbles are dissolved in the water, thereby achieving the purpose of oxygen dissolution and oxygenation.

Further preferably, the seawater drainage tube and the seawater branch drainage tube are connected with a seawater main pipeline, a first filter screen and a second filter screen are sequentially arranged in the seawater main pipeline along the entering direction of water flow, the mesh number of the first filter screen is 8-10mm, and the mesh number of the second filter screen is 0.5-0.8mm.

The utility model can filter large particle impurities in the seawater through the filter screens with two meshes, and retain microorganisms in the seawater as baits.

Further preferably, the seawater branch drainage tube is further communicated with a proportioning bin, an air stone is arranged in the proportioning bin, one outlet of the air branch drainage tube is communicated with the proportioning bin, the other outlet of the air branch drainage tube is communicated with the culture tank, and the seawater branch drainage tube is connected with the culture dish through the proportioning bin.

According to the utility model, the gas stone in the proportioning bin provides oxygen for the seawater and microorganisms in the seawater branch drainage tube, so that the survival rate of the bait is improved.

Further preferably, the harvesting vessel and the harvesting tank are joined by a tee joint, and the outlet of the tee joint is communicated with a water tank. Can realize continuous feeding, increase the growth speed of fish and improve the breeding quality of fish.

Further preferably, a heater is installed in the water tank. Thereby ensuring the constant temperature in the water tank.

The utility model can continuously cultivate the mobile baits such as rotifers, fairy worms and radial families in real time with high density in a large batch, thereby conveniently providing baits for the breeding platform of the marine large yellow croaker, increasing the growth speed of the baits and improving the breeding quality of the marine large yellow croaker, simultaneously facilitating the on-site ripening and spawning of the parent fish at sea, saving the transportation cost of the parent fish and improving the economic benefit. The device is suitable for animal baits such as field deep sea boat type large yellow croaker breeding platforms and offshore large yellow croaker breeding, and field culture of rotifers, so that sustainable development of the marine large yellow croaker breeding platform industry is supported. The device is suitable for fishery management, on-site breeding production personnel, marine large yellow croaker breeding enterprises and other groups with breeding requirements.

Drawings

FIG. 1 is a schematic flow diagram of the present utility model;

fig. 2 is a block diagram of the structure of the present utility model.

In the figure: 1. a feed trough; 2. a culture tank; 3. harvesting grooves; 4. a proportioning bin; 5. harvesting the dishes; 6. a water tank; 7. an air branch guide pipe; 8. an air flow guide pipe; 9. a seawater drainage tube; 10. a seawater branch drainage tube.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, a biological bait production device suitable for a marine large yellow croaker breeding platform comprises a culture device main body, wherein the culture device main body comprises a feed trough 1, the feed trough is connected with a seawater drainage pipe 9 and an air drainage pipe, the seawater drainage pipe is further provided with a seawater branch drainage pipe 10, and the air drainage pipe 8 is further provided with an air branch drainage pipe 7; the air branch draft tube is communicated with the culture tank 2 through a feed pump, the culture tank is communicated with a harvesting tank 3 through a recovery pump, the seawater branch draft tube is connected with a culture dish through a feed pump, the culture dish is connected with a harvesting dish 5 through another recovery pump, and the harvesting dish is communicated with the harvesting tank.

Further preferably, the bottom of the feed trough is paved with an air stone, and the outlet of the air guide pipe faces the air stone. The utility model can generate microporous bubbles in water by adding the air stone, and the bubbles are dissolved in the water, thereby achieving the purpose of oxygen dissolution and oxygenation.

Further preferably, the seawater drainage tube and the seawater branch drainage tube are connected with a seawater main pipeline, a first filter screen and a second filter screen are sequentially arranged in the seawater main pipeline along the entering direction of water flow, the mesh number of the first filter screen is 8-10mm, and the mesh number of the second filter screen is 0.5-0.8mm. The utility model can filter large particle impurities in the seawater through the filter screens with two meshes, and retain microorganisms in the seawater as baits.

Further preferably, the seawater branch draft tube is also communicated with a proportioning bin 4, an air stone is arranged in the proportioning bin, one outlet of the air branch draft tube is communicated with the proportioning bin, the other outlet of the air branch draft tube is communicated with the culture tank, and the seawater branch draft tube is connected with the culture dish through the proportioning bin. According to the utility model, the gas stone in the proportioning bin provides oxygen for the seawater and microorganisms in the seawater branch drainage tube, so that the survival rate of the bait is improved.

Further preferably, the harvesting vessel and the harvesting tank are joined by a three-way joint, and the outlet of the three-way joint is in communication with a water tank 6. Can realize continuous feeding, increase the growth speed of fish and improve the breeding quality of fish.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The biological bait production device suitable for the marine large yellow croaker breeding platform comprises a culture device main body, and is characterized in that the culture device main body comprises a feed trough, the feed trough is connected with a seawater drainage pipe and an air drainage pipe, the seawater drainage pipe is also provided with a seawater branch drainage pipe, and the air drainage pipe is also provided with an air branch drainage pipe;

2. The biological bait production device suitable for the marine large yellow croaker breeding platform according to claim 1, wherein the air guide pipe and the air branch guide pipe are connected with an air main pipeline, a filter device and an instrument board are arranged in the air main pipeline, and a detector for detecting flow and pressure values is arranged on the instrument board.

3. A biological bait production device suitable for an offshore large yellow croaker breeding platform according to claim 2, wherein a filter, a stirrer and a heater for removing flocculation are installed in the culture tank.

4. The biological bait production device suitable for an offshore large yellow croaker breeding platform according to claim 1, wherein an air stone is paved at the bottom of the feeding trough, and the outlet of the air guide pipe faces to the air stone.

5. The biological bait production device suitable for the marine large yellow croaker breeding platform according to claim 1, wherein the seawater drainage tube and the seawater branch drainage tube are connected with a seawater main pipeline, a first filter screen and a second filter screen are sequentially arranged in the seawater main pipeline along the entering direction of water flow, the mesh number of the first filter screen is 8-10mm, and the mesh number of the second filter screen is 0.5-0.8mm.

6. The biological bait production device suitable for the marine large yellow croaker breeding platform according to claim 5, wherein the seawater branch drainage tube is further communicated with a proportioning bin, an air stone is arranged in the proportioning bin, one outlet of the air branch drainage tube is communicated with the proportioning bin, the other outlet of the air branch drainage tube is communicated with the culture tank, and the seawater branch drainage tube is connected with a culture dish through the proportioning bin.

7. A biological bait production device suitable for an offshore large yellow croaker breeding platform according to claim 1 and wherein the harvesting vessel and the harvesting tank are joined by a tee joint, and the outlet of the tee joint is communicated with a water tank.