阅读说明：本技术 鱼虾幼苗培育方法 (Fish and shrimp fry breeding method ) 是由 赵卫杰 于 2021-09-04 设计创作，主要内容包括：本发明涉及水产幼苗培育领域,具体涉及一种鱼虾幼苗培育方法。本发明提高了养殖池的使用效率,“一池变为两池”,通过浮箱在一侧池中收集在另一侧池中释放,使得分塘过程衔接自然,尽量避免分塘过程对个体的影响,同时利用浮筒提供的浮力实现浮箱的上下移动,使得收捕过程缓和自然同时节省了人力,同时该方法可以利用原有装置中的限位板等即可根据需要形成暂存池,从而在原有的养殖池内即可实现对待出售个体的暂养,而不用另行开辟暂养池,节省了成本。(The invention relates to the field of aquatic product seedling cultivation, in particular to a fish and shrimp seedling cultivation method. The invention improves the use efficiency of the culture pond, changes one pond into two ponds, collects the floating boxes in the pond at one side and releases the floating boxes in the pond at the other side, leads the pond dividing process to be naturally connected, avoids the influence of the pond dividing process on individuals as much as possible, simultaneously utilizes the buoyancy provided by the floating barrels to realize the up-and-down movement of the floating boxes, leads the catching process to be relaxed and natural and saves manpower, and simultaneously can utilize a limit plate and the like in the original device to form a temporary storage pond according to the requirements, thereby realizing the temporary culture of the individuals to be sold in the original culture pond without additionally opening up the temporary culture pond and saving the cost.)

1. A fish and shrimp fry breeding method is characterized by comprising the following steps: partition plates are simultaneously placed on two sides in the culture pond, wherein the bottom of each edge plate is inserted into the culture pond, one side of each edge plate is close to the inner side of the culture pond, the other side of each edge plate is vertically and fixedly connected with the middle part of each limiting plate, the bottom of each limiting plate is inserted into sludge at the bottom of the culture pond, and a gap is formed between every two adjacent limiting plates; (ii) a

Fixing the buoy in the embedding port;

fixing the first fishing net and the second fishing net at the bottom of the buoyancy tank;

placing two floating boxes in the gap side by side, wherein the sliding blocks of the floating boxes are placed along the limiting groove, and the floating boxes are connected through nylon ropes;

the floating box comprises a first floating box and a second floating box, wherein an inlet net of the first floating box faces the first breeding area, an outlet of the first floating box faces the second breeding area, an inlet net of the second floating box faces the second breeding area, and an outlet of the second floating box faces the first breeding area;

under the action of the first fishing net and the second fishing net, a separation is formed between the floating box and the sludge at the bottom of the culture pond to prevent suspended matters in the first culture area and the second culture pond from passing through the gap;

one end of a connecting rod is fixedly connected with the sliding block, the other end of the connecting rod is fixedly connected with the floating plate, and the floating plate is placed in the floating barrel;

when the shrimp seeds in the first culture area need to be divided into ponds, nylon ropes between the first floating boxes and the second floating boxes are unfastened, the first floating boxes and the second floating boxes are close to each other side by side, an inlet net of the first floating boxes faces towards the first culture area, outlets of the first floating boxes are plugged through plugging plates, outlets of the second floating boxes are plugged, meanwhile, the inserting plates are inserted into slots close to the second culture area, the bottoms of the inserting plates are inserted into silt at the bottom of the culture pond, and the upper end faces of the inserting plates are kept above the water surface of the culture pond;

opening the cover plate, putting minced meat into the first buoyancy tank, and fastening the cover plate;

controlling the water level in the floating pontoon at one side of the floating box, moving the floating plate to a proper position along with the water level in the floating pontoon under the action of self gravity, and downwards pulling the floating box I through the connecting rod to enable the floating box I to downwards move to be immersed below the water surface of the culture pond;

the water level in the floating pontoon at one side of the floating box II is controlled, the floating plate moves to a proper position along with the water level in the floating pontoon under the action of self gravity, and the upper end surface of the floating box II is controlled to be flush with the water surface of the culture pond by the connecting rod;

adjusting the length of the water inlet pipe of the floating barrels on one side of the floating box, so that water in the culture pond enters the water inlet pipe and finally flows into the floating barrels, the water level in the floating barrels rises, and the floating plates in the floating barrels float upwards under the action of self buoyancy force to pull the floating boxes to rise through the connecting rods until the floating boxes protrude above the water level in the culture pond;

the inserting plate is pulled out, the floating plate on one side of the floating box is pulled out at the same time, so that the outlet leaks, the height of the outlet only allows the shrimps to pass through, and the shrimps in the floating box I enter the second culture area through the outlet; meanwhile, a cover plate of the first floating box is opened to sort out the shrimps and put the shrimps into the first culture area, and the shrimps with large heads in the first floating box are taken out of the first floating box and collected for sale;

if the shrimp seeds in the second culture area need to be separated from the pond, the floating box II can be adjusted as the floating box I, and the floating box I can be adjusted as the floating box II.

2. The method for cultivating young fish and shrimp according to claim 1, further comprising the steps of: when the feeding density in the culture pond needs to be controlled, the first inserting plate and the second inserting plate are inserted into the inserting grooves, the bottoms of the inserting plates are inserted into sludge at the bottom of the culture pond, and a temporary storage pond is formed between the first inserting plate and the second inserting plate and the limiting plates at two sides;

placing the ground cages in a culture pond to capture the shrimp seeds, and collecting the shrimp seeds in the ground cages and putting the shrimp seeds into a temporary storage pond for temporary storage;

when the shrimp seeds need to be taken out, the shrimp seeds in the temporary storage pool are collected in a centralized manner by the aid of the first floating box and the second floating box.

Technical Field

The invention relates to the field of aquatic product seedling cultivation, in particular to a fish and shrimp seedling cultivation method.

Background

In aquatic product production, individuals need to be separated from ponds in the culture process, and most of the existing methods such as shrimps, fishes and crabs capture the individuals by using ground cages separately and then screen small seedlings to be placed in other culture ponds for separate breeding, so that the death of the seedlings caused by small attack is avoided.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a fish and shrimp fry breeding method.

In order to achieve the purpose, the invention adopts the following technical scheme: a fish and shrimp fry breeding method comprises the following steps: partition plates are simultaneously placed on two sides in the culture pond, wherein the bottom of each edge plate is inserted into the culture pond, one side of each edge plate is close to the inner side of the culture pond, the other side of each edge plate is vertically and fixedly connected with the middle part of each limiting plate, the bottom of each limiting plate is inserted into sludge at the bottom of the culture pond, and a gap is formed between every two adjacent limiting plates;

fixing the buoy in the embedding port;

fixing the first fishing net and the second fishing net at the bottom of the buoyancy tank;

placing two floating boxes in the gap side by side, wherein the sliding blocks of the floating boxes are placed along the limiting groove, and the floating boxes are connected through nylon ropes;

the floating box comprises a first floating box and a second floating box, wherein an inlet net of the first floating box faces the first breeding area, an outlet of the first floating box faces the second breeding area, an inlet net of the second floating box faces the second breeding area, and an outlet of the second floating box faces the first breeding area;

under the action of the first fishing net and the second fishing net, a separation is formed between the floating box and the sludge at the bottom of the culture pond to prevent suspended matters in the first culture area and the second culture pond from passing through the gap;

one end of a connecting rod is fixedly connected with the sliding block, the other end of the connecting rod is fixedly connected with the floating plate, and the floating plate is placed in the floating barrel;

when the shrimp seeds in the first culture area need to be divided into ponds, nylon ropes between the first floating boxes and the second floating boxes are unfastened, the first floating boxes and the second floating boxes are close to each other side by side, an inlet net of the first floating boxes faces towards the first culture area, outlets of the first floating boxes are plugged through plugging plates, outlets of the second floating boxes are plugged, meanwhile, the inserting plates are inserted into slots close to the second culture area, the bottoms of the inserting plates are inserted into silt at the bottom of the culture pond, and the upper end faces of the inserting plates are kept above the water surface of the culture pond;

opening the cover plate, putting minced meat into the first buoyancy tank, and fastening the cover plate;

controlling the water level in the floating pontoon at one side of the floating box, moving the floating plate to a proper position along with the water level in the floating pontoon under the action of self gravity, and downwards pulling the floating box I through the connecting rod to enable the floating box I to downwards move to be immersed below the water surface of the culture pond;

the water level in the floating pontoon at one side of the floating box II is controlled, the floating plate moves to a proper position along with the water level in the floating pontoon under the action of self gravity, and the upper end surface of the floating box II is controlled to be flush with the water surface of the culture pond by the connecting rod;

adjusting the length of the water inlet pipe of the floating barrels on one side of the floating box, so that water in the culture pond enters the water inlet pipe and finally flows into the floating barrels, the water level in the floating barrels rises, and the floating plates in the floating barrels float upwards under the action of self buoyancy force to pull the floating boxes to rise through the connecting rods until the floating boxes protrude above the water level in the culture pond;

the inserting plate is pulled out, the floating plate on one side of the floating box is pulled out at the same time, so that the outlet leaks, the height of the outlet only allows the shrimps to pass through, and the shrimps in the floating box I enter the second culture area through the outlet; meanwhile, a cover plate of the first floating box is opened to sort out the shrimps and put the shrimps into the first culture area, and the shrimps with large heads in the first floating box are taken out of the first floating box and collected for sale;

if the shrimp seeds in the second culture area need to be separated into ponds, the floating boxes II can be adjusted as the floating boxes I can be adjusted, and the floating boxes I can be adjusted as the floating boxes II can be adjusted;

the method for cultivating the fish and shrimp seedlings further comprises the following steps: when the feeding density in the culture pond needs to be controlled, the first inserting plate and the second inserting plate are inserted into the inserting grooves, the bottoms of the inserting plates are inserted into sludge at the bottom of the culture pond, and a temporary storage pond is formed between the first inserting plate and the second inserting plate and the limiting plates at two sides;

placing the ground cages in a culture pond to capture the shrimp seeds, and collecting the shrimp seeds in the ground cages and putting the shrimp seeds into a temporary storage pond for temporary storage;

when the shrimp seeds need to be taken out, the shrimp seeds in the temporary storage pool are collected in a centralized manner by the aid of the first floating box and the second floating box.

Compared with the prior art, the invention has the beneficial effects that: the invention improves the use efficiency of the culture pond, changes one pond into two ponds, collects the floating boxes in the pond at one side and releases the floating boxes in the pond at the other side, leads the pond dividing process to be naturally connected, avoids the influence of the pond dividing process on individuals as much as possible, simultaneously utilizes the buoyancy provided by the floating barrels to realize the up-and-down movement of the floating boxes, leads the catching process to be relaxed and natural and saves manpower, and simultaneously can utilize a limit plate and the like in the original device to form a temporary storage pond according to the requirements, thereby realizing the temporary culture of the individuals to be sold in the original culture pond without additionally opening up the temporary culture pond and saving the cost.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic diagram of a limiting plate structure in the invention.

FIG. 3 is a schematic view of the structure of the edge plate of the present invention.

Fig. 4 is a schematic perspective view of the buoyancy tank of the present invention.

Fig. 5 is a schematic perspective view of the interior of the buoyancy tank of the present invention.

Fig. 6 is a schematic perspective view of the buoyancy tank of the present invention.

Fig. 7 is a three-dimensional structure schematic diagram of the buoyancy tank of the invention.

Fig. 8 is a schematic view showing the first usage of the buoyancy tank in the present invention.

FIG. 9 is a schematic view of the fishing net structure of the present invention.

Figure 10 is a second schematic view of the use of the flotation tank of the present invention.

Fig. 11 is a schematic view of the use state of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are provided only for illustrating the present invention and are not intended to limit the scope of the present invention.

Please refer to fig. 1-11, which illustrates a method for cultivating young fish and shrimp, comprising the following steps: the partition plates 2 are simultaneously placed on two sides in the culture pond 1, wherein the bottom of each edge plate 21 is inserted into the culture pond 1, one side of each edge plate 21 is close to the inner side of the culture pond 1, the other side of each edge plate 21 is vertically and fixedly connected with the middle of each limit plate 22, the bottoms of the limit plates 22 are inserted into sludge at the bottom of the culture pond 1, and gaps 21 are formed between the adjacent limit plates 22;

fixing the buoy 5 in the embedded opening 211;

fixing a first fishing net 36 and a second fishing net 37 at the bottom of the buoyancy tank 3;

placing two floating boxes 3 in the gap 21 side by side, wherein the sliding blocks 30 of the floating boxes 3 are placed along the limiting groove 220, and the floating boxes 3 are connected through nylon ropes 6;

the buoyancy tank 3 comprises a first buoyancy tank 38 and a second buoyancy tank 39, wherein the inlet net 31 of the first buoyancy tank 38 faces the first cultivation area 11, the outlet 32 of the first buoyancy tank 38 faces the second cultivation area 12, the inlet net 31 of the second buoyancy tank 39 faces the second cultivation area 12, and the outlet 32 of the second buoyancy tank 39 faces the first cultivation area 11;

the first fishing net 36 at the bottom of the buoyancy tank 3 contacts the sludge at the lower part of the culture pond under the action of the first conical head 361, and the second fishing net 37 at the second conical head 371

Under the action of the first fishing net 36 and the second fishing net 37, the sludge at the bottom of the floating box 3 and the culture pond 1 forms separation to prevent floating objects in the first culture area 11 and the second culture pond 12 from passing through the gap 21;

one end of a connecting rod 53 is fixedly connected with the slide block 30, the other end of the connecting rod 53 is fixedly connected with the floating plate 52, and the floating plate 52

Is placed in the buoy 5;

when the shrimp seeds in the first culture area 11 need to be divided into ponds, the nylon ropes 6 between the first floating boxes 38 and the second floating boxes 39 are unfastened, the first floating boxes 38 and the second floating boxes 39 are close to each other side by side, the inlet nets 31 of the first floating boxes 38 face to the first culture area 11, the outlets 32 of the first floating boxes 38 are plugged through the plugging plates 35, the outlets 32 of the second floating boxes 39 are plugged, meanwhile, the inserting plates 71 are inserted into the inserting grooves 221 close to the second culture area 12, the bottoms of the inserting plates 71 are inserted into the sludge at the bottom of the culture pond 1, and the upper end faces of the inserting plates 71 are kept above the water surface of the culture pond 1; the inserting plate 71 is arranged at the notch 21 so as to prevent shrimp seeds in the first postculture area 11 from being mixed into the second culture area 12 through the notch 21 to interfere pond division;

opening the cover plate 34, putting the minced meat into the first buoyancy tank 38, and fastening the cover plate 34;

controlling the water level in the buoy 5 at one side of the first buoyancy tank 38, moving the floating plate 52 to a proper position under the action of self gravity along with the water level in the buoy 5, and pulling the first buoyancy tank 38 downwards through the connecting rod 53 to enable the first buoyancy tank 38 to be immersed below the water level of the culture pond 1;

the water level in the buoy 5 at one side of the second buoyancy tank 39 is controlled, the floating plate 52 moves to a proper position under the action of self gravity along with the water level in the buoy 5, and the upper end surface of the second buoyancy tank 39 is flush with the water surface of the culture pond 1 by controlling the second buoyancy tank 39 through the connecting rod 53; in the process, the buoyancy generated by the first buoyancy tank 38 and the second buoyancy tank 39 can be adjusted by controlling the area of the plugging plates 35 in the first buoyancy tank 38 and the second buoyancy tank 39 protruding out of the first buoyancy tank 38 and the second buoyancy tank 39 according to the tension provided by the connecting rod 53 for the buoyancy tank 3, so that the force borne by the first buoyancy tank 38 and the second buoyancy tank 39 is controllable and balanced, and the first buoyancy tank 38 and the second buoyancy tank 39 are suspended in the water in the culture pond 1;

the length of the water inlet pipe 51 of the buoy 5 at one side of the first buoyancy tank 38 is adjusted, so that water in the culture pond 1 enters the water inlet pipe 51 and finally flows into the buoy 5, the water level in the buoy 5 rises, and the floating plate 52 in the buoy 5 floats upwards under the action of the buoyancy of the floating plate 52, so that the first buoyancy tank 38 is pulled to rise through the connecting rod 53, and the floating tank 38 protrudes above the water level in the culture pond 1;

the inserting plates 71 are pulled out, the floating plates 52 on one side of the first floating box 38 are pulled out simultaneously, so that the outlet 32 leaks, the height of the outlet 32 only allows the shrimps to pass through, and at the moment, the shrimps in the first floating box 38 enter the second culture area 12 through the outlet 32; meanwhile, the cover plate 34 of the first floating box 38 is opened to sort out the shrimps and put the shrimps into the first culture area 11, and the shrimps with large heads in the first floating box 38 are taken out from the first floating box 38 and collected for sale;

if the shrimp seeds in the second culture area 12 need to be separated into ponds, the second buoyancy tank 39 can be adjusted as the first buoyancy tank 38, and the first buoyancy tank 38 can be adjusted as the second buoyancy tank 39;

when the feeding density in the culture pond 1 needs to be controlled, the first inserting plate 71 and the second inserting plate 72 are inserted into the inserting grooves 221, the bottoms of the first inserting plate 71 and the second inserting plate 72 are inserted into sludge at the bottom of the culture pond 1, and a temporary storage pond 73 is formed between the first inserting plate 71 and the second inserting plate 72 and the limiting plates 22 at two sides;

placing the ground cages in the culture pond 1 to capture the shrimp seeds, collecting the shrimp seeds in the ground cages, and placing the shrimp seeds in a temporary storage pond 73 for temporary storage;

when the shrimp seeds need to be taken out, the shrimp seeds in the temporary storage pool 73 are collected in a centralized manner by the aid of the first floating box 38 and the second floating box 39.

Wherein breed 1 interior setting in pond and separate baffle 2, the flotation tank 3, separate net 4, separate baffle 2, the flotation tank 3, separate net 4 and will breed 1 and separate and distinguish 11 and breed two 12 for breeding the district, be convenient for divide the pond so that arrange different individual seedling in the district that breeds 1 difference in pond and utilize the individual growth of seedling to breeding pond 1, separate baffle 2 quantity and be two and distribute in the both sides of breeding pond 1, it sets up breach 21 to separate between the baffle 2, set up flotation tank 3 in the breach 21, it is spacing to separate baffle 2 to carry out flotation tank 3, 3 bottoms of flotation tank set up and separate net 4, thereby flotation tank 3 utilizes the water level height in breeding pond 1 to go up and down and control to separate net 4 and rise or descend. The separation of the baffle 2, the floating box 3 and the separation net 4 separates a culture pond 1 into two relatively independent areas, so that two pond openings do not need to be selected for use to divide a pond, the floating box 3 can automatically drive the separation net 4 to lift and also can lift along with the liquid level of the culture pond 1, the operation is captured according to the condition, and the separation net 4 is matched with the floating box 3 to complete the separation of the culture pond 1.

The first cultivation area 11 and the second cultivation area 12 are subjected to material exchange (such as water body exchange) through the gap 21; the first culture area 11 and the second culture area 12 are relatively independent but still integrated, water bodies of the first culture area and the second culture area can be freely exchanged, water levels are kept relatively consistent, and pond separation operation is facilitated.

Breed 2 bottoms at a distance from baffle of 1 one side of pond and insert perpendicularly and realize fixing in the silt of breeding 1 bottoms in pond, should separate 2 one end at a distance from baffle this moment and breed 1 one side inner wall of pond and press close to perpendicularly, breed 2 bottoms at a distance from baffle of 1 opposite side of pond and insert perpendicularly and realize fixing in the silt of breeding 1 bottoms in pond, should separate the 2 other ends at a distance from baffle this moment and breed 1 opposite side inner wall of pond and press close to perpendicularly. The both sides of breeding pond 1 set up simultaneously at a distance from baffle 2, separate baffle 2 installation dismantlement simple relatively convenient, can realize quick installation, saved the activity duration, separate baffle 2 simultaneously also play the spacing effect in 3 location of flotation tanks as supporting the spacing carrier of 3 movements of flotation tanks.

Baffle 2 includes along board 21 and limiting plate 22, is rectangular platelike structure along board 21, along board 21 one side and perpendicular fixed connection of limiting plate 22, is "T" form distribution along board 21 and limiting plate 22. The edge plate 21 plays a role in fixing and isolating, the limiting plate 22 plays a role in limiting and fixing the buoyancy tank 3, and meanwhile, the limiting plate 22 can be matched with the first inserting plate 71 and the second inserting plate 72 to form a temporary storage pool 73 at a later stage;

the position-limiting plate 22 is a rectangular plate-shaped structure, two sides of the position-limiting plate 22 are provided with slots 221, the transverse cross section of each slot 221 is U-shaped, each slot 221 extends from the upper end to the lower end of the position-limiting plate 22, the middle of the position-limiting plate 22 is provided with a position-limiting groove 220, the cross section of each position-limiting groove 220 is T-shaped, and each position-limiting groove 220 extends from the upper end to the lower end of the position-limiting plate 22. The slot 221 facilitates the insertion and extraction of the first insert plate 71 and the second insert plate 72, and the limit groove 220 limits the upward floating or downward movement of the buoyancy tank 3 through the cooperation with the slide block 30.

Please refer to fig. 4, 5, 6, and 7, the floating box 3 is a box-shaped structure, one side of the floating box 3 is provided with an inlet net 31, the inlet net 31 is provided with an inlet part 311, the inlet part 311 is a trumpet-shaped net structure, the end part of the inlet part 311 is flush with the inlet net 31, one side corresponding to the inlet net 31 is provided with an outlet 32 in a penetrating way, the outlet 32 only allows seedlings to pass through, both sides of the floating box 3 are provided with through holes 33, the through holes 33 are circular holes and only play a role of ventilation, the seedlings cannot pass through, and the upper part of the floating box 3 is hinged with a cover plate 34; the presence of the inlet portion 311 of the inlet net 31 on one side of the buoyancy tank 3 allows the shrimps to enter the buoyancy tank 3 therethrough, and then the macroshrimps stay in the buoyancy tank 3, and the shrimps enter the culture zone on the other side through the outlet 32, thereby completing the pond division of the shrimps in the culture pond 1 through the buoyancy tank 3.

The outlet 32 is a strip-shaped structure and is positioned at the bottom of the side wall of the buoyancy tank 3, the outlet 32 penetrates through the side wall of the buoyancy tank 3, the blocking plate 35 penetrates through the outlet 32, and the blocking plate 35 is a cuboid plate-shaped structure made of wood. The blocking plate 35 has a function of blocking the outlet 32, and on the other hand, the wooden structure thereof makes the part pulled out from the outlet 32 have buoyancy after contacting water, thereby assisting in providing buoyancy to the buoyancy tank 3, while the part thereof located in the buoyancy tank 3 plays a role of providing a counter weight to the buoyancy tank 3 because of being close to the bottom of the buoyancy tank 3.

The rib protrusion 351 is fixed at one end of the bottom of the blocking plate 35, the cross section of the rib protrusion 351 is in a shape of "power", and the rib protrusion 351 extends from one end of the blocking plate 35 to the other end. The raised edge 351 is convenient for pulling out the plugging plate 35 on the one hand and prevents the plugging plate 35 from completely entering the floating box 3 on the other hand, thereby playing a limiting role.

The slider 30 is fixed to one side of the buoyancy tank 3, the transverse section of the slider 30 is T-shaped, and the slider 30 is matched with the limiting groove 220. The slide block 30 cooperates with the limit groove 220 to provide a limit function for the up-and-down movement of the buoyancy tank 3.

A first fishing net 36 and a second fishing net 37 are fixed at the bottom of the floating box 3, and a fishing net gap 38 is formed between the first fishing net 36 and the second fishing net 37; the flattened size of the first fishing net 36 and the second fishing net 37 is larger than the depth of water in the culture pond 1, so that the first fishing net 36 and the second fishing net 37 are always in a folded state, the first fishing net 36 and the second fishing net 37 are convenient to adapt to different sludge environments at the bottom of the culture pond 1, if a rugged bottom surface environment is met, the conical heads touch the bottom at first, then the first fishing net 36 and the second fishing net 37 are close to the bulges or pits of the bottom surface under the pull-down effect of the conical heads, the isolation of the bottom of the buoyancy tank 3 is finished, and seedlings are prevented from moving back and forth at the bottom of the buoyancy tank 3.

Referring to fig. 8 and 9, the first fishing net 36 is a net-shaped structure, the first fishing net 36 is made of PVC, the first conical heads 361 are fixed at the bottom of the first fishing net 36, the first conical heads 361 are made of stone, the first conical heads 361 are of a spherical structure, the number of the first conical heads 361 is five, and the first conical heads 361 are uniformly distributed at the bottom of the first fishing net 36.

Two 37 of fishing nets are the net surface column structure, two 37 of fishing nets select for use the PVC material, two 37 fixed cone first 371 in bottom of fishing net, cone first 371 selects for use the stone material, two 371 of cone are the globular structure, two 371 of cone quantity are five, two 371 evenly distributed in two 37 bottoms of fishing net of cone, when two 37 exhibition flat times of fishing net 36 and fishing net, the distance of first 361 of cone bottom distance breed pond 1 bottom is d1, the distance of two 371 bottoms of cone distance breed pond 1 bottom is d2, the distance of d1 is less than d 2's distance. Two barriers are formed by the fishing net I36 and the fishing net II 37, the seedlings are prevented from penetrating through the barriers, the conical heads I361 and the conical heads II 371 are different in height and can adapt to different rugged environments at the bottom of the culture pond 1, the fishing net at the bottom of the floating box 3 is guaranteed to play a good isolation effect, and the fishing net at the position of the application plays a role in isolating the fish from entering one side from one side and is not used for fishing.

An embedding opening 211 is arranged on the edge plate 21 in a penetrating way, and the main body of the embedding opening 211 is shaped like a U; the embedded opening 211 is internally fixed with a buoy 5, the buoy 5 is a cuboid, the upper part of the buoy is open, one side of the buoy 5 is provided with a water inlet pipe 51, the water inlet pipe 51 is a corrugated pipe, the corrugated pipe has certain flexibility and can be elongated or contracted, so that the relative height between the water inlet pipe 51 and the water surface can be adjusted in the later period, the amount of water in the culture pond 1 entering the water inlet pipe 51 is controlled, the upper end surface of the water inlet pipe 51 is open upwards, the bottom of the water inlet pipe 51 is communicated with the buoy 5, the lower end surface of the water inlet pipe 51 is positioned at the bottom of the buoy 5, a floating plate 52 is arranged in the buoy 5, the floating plate 52 is matched with the buoy 5, the floating plate 52 is fixedly connected with the slide block 30 through a connecting rod 53, and the connecting rod 53 is in a n shape. The flotation pontoon 5 with combine make full use of along board 21 to realize the fixation of flotation pontoon 5 with the position of breeding pond 1 along board 21, thereby the flotation pontoon 5 contacts easily with the water of breeding in the pond 1 the later stage of being convenient for does benefit to intake pipe 51 and realizes drawing to the water of breeding in the pond 1 simultaneously, and flotation pontoon 5 can realize that its interior flotation pontoon 52 follows the change of flotation pontoon 5 interior water level freely and reciprocate as a carrier that has fixed volume, and then the ascending decline through flotation pontoon 52 drives the removal of flotation tank 3.