CN215736450U - Fish, shrimp and shellfish mixed culture pond - Google Patents
Fish, shrimp and shellfish mixed culture pond Download PDFInfo
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- CN215736450U CN215736450U CN202122253820.XU CN202122253820U CN215736450U CN 215736450 U CN215736450 U CN 215736450U CN 202122253820 U CN202122253820 U CN 202122253820U CN 215736450 U CN215736450 U CN 215736450U
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Abstract
The utility model discloses a fish, shrimp and shellfish mixed culture pond, which comprises a pond body, a purse net, a plurality of net cages and an aerator, wherein the purse net is arranged in the pond body; the bottom of the pool body inclines from the edge to the center; a water outlet is arranged at the central bottom of the pool body; the purse net takes the water outlet as the center and is arranged in the central area in the pool body; an aerator is arranged around the outside of the purse net; a net cage is arranged in the tank body and outside the purse net; the purse seine comprises a plurality of fixing columns and a plurality of net sheets; the fixed columns and the net sheets are assembled into a closed structure. The utility model carries out multi-variety pond subarea mixed culture of fishes, shrimps and shellfish by arranging the purse net, can reasonably utilize the ecological position of the pond water body, mutually benefits and mutually assists by different habit characteristics among different varieties, grows together, lightens the self pollution of the culture water body, reduces the discharge of culture wastes, improves the overall economic benefit of culture, and promotes the ecological balance and environmental protection of the culture water area.
Description
Technical Field
The utility model belongs to the technical field of aquaculture, and particularly relates to a fish, shrimp and shellfish mixed culture pond.
Background
The pond culture of prawn is an important component of the marine culture industry in China. In recent years, as the breeding environment deteriorates and germplasm resources are degraded continuously, diseases frequently occur, the breeding success rate is reduced year after year, and the situation of cost loss or outcrop of farmers occurs. The change of the existing culture mode and the implementation of more stable multi-variety ecological mixed culture are the sustainable development trend of prawn culture in future. Therefore, the aquaculture pond of a single variety needs to be improved to adapt to the development of a multi-variety mixed culture mode.
SUMMERY OF THE UTILITY MODEL
The utility model provides a fish, shrimp and shellfish mixed culture pond which can effectively isolate fish and shrimp, realize multi-variety pond subarea mixed culture and increase culture economic benefits.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a fish, shrimp and shellfish mixed culture pond comprises a pond body, a purse net, a plurality of net cages and an aerator; a water outlet is arranged at the central bottom of the pool body; the bottom of the pool body inclines from the edge to the center; the purse net takes the water outlet as the center and is arranged in the central area in the pool body; an aerator is arranged around the outside of the purse net; a net cage is arranged in the tank body and outside the purse net;
the purse seine comprises a plurality of fixing columns and a plurality of net sheets; the fixed columns and the net sheets are assembled into a closed structure.
As a further technical improvement, more than two groups of slots are arranged in the axial direction of the fixed column; the width of the slot is matched with the thickness of the mesh. The purse seine is assembled after the net sheets are inserted into the fixing columns through the slots, and proper net sheets can be selected for installation or replacement according to the actual specifications of fishes and shrimps or the use conditions of the net sheets.
As a further technical improvement, each group of slots comprises two adjacent slots. When the net sheets need to be replaced, the new net sheets can be inserted into the adjacent slots of the old net sheets, and then the old net sheets are taken out, so that the original replacement is realized, and the isolation effect of the fishes and the shrimps is not influenced.
As a further technical improvement, the bottom of the net sheet is provided with a V-shaped block. After the net piece is inserted into the fixing column to the bottom of the tank body, the V-shaped block is beneficial to inserting the net piece into bottom mud of the tank body, the installation is simple and stable, and the isolation is effective.
As a further technical improvement, the purse net is square or round.
As a further technical improvement, the upper end of the purse net is 25-30cm higher than the highest water level line of the pond; the area of the purse net accounts for 1/6-1/5 of the area of the tank body.
As a further technical improvement, the mesh size of the mesh sheet is 2.5 cm-4.0 cm.
As a further technical improvement, the aerator is a waterwheel type, jet type or air-lift type water pushing aerator. Can push the pool water to rotate around the center of the pool body.
When the device is used, a proper mesh sheet and the fixing columns are selected to be combined to form an enclosure net, the prawns are firstly released and cultured outside the enclosure net, then the omnivorous fishes are released and cultured in the enclosure net, and finally the shellfish is hung and cultured in a net cage outside the enclosure net to form the multi-variety pond subarea polyculture of the fishes, the prawns and the shellfish; in the culture process, the pond is oxygenated by an aerator outside the purse net, and simultaneously, pond water flows around the center of the pond in a rotating manner, so that residual baits, organic debris and the like in the water body are collected to the middle of the pond, thus not only bringing baits to fishes in the purse net, but also greatly reducing the surplus nutrients in the water body.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the utility model, the purse net is arranged for carrying out multi-variety pond subregion polyculture on fishes, shrimps and shellfish, the fishes in the purse net can remove residual baits and large-particle organic matters in the pond, the water quality of the aquaculture pond is improved, and the shrimp feed cannot be snatched in the shrimp culture area outside the purse net; the shellfish is polycultured in the shrimp-breeding area outside the purse net to enhance the filter feeding effect on organic debris and plankton, so as to further clean water quality; the multi-variety same-pond subarea mixed culture can reasonably utilize the ecological level of the pond water body, mutually and reciprocally help through different habit characteristics among different varieties, jointly grow, reduce the self pollution of the culture water body, reduce the discharge of culture wastes, and promote the ecological balance and the environmental protection of the culture water body while improving the overall economic benefit of the culture.
2. The utility model adopts a central bottom drainage and pollution discharge mode, and the aerator around the purse net stirs the pond water to drive residual baits and other organic matters in the water body to collect to the middle part of the pond, thereby not only bringing baits to fishes in the purse net, but also greatly reducing the surplus nutrients in the water body; and generally, the bottom area of the center of the shrimp pond is low in dissolved oxygen because a large amount of dirt is collected, healthy prawns rarely move at the area, and the purse net is used for isolating the polyculture fishes in the area, so that the pond space is fully utilized, the area occupying the normal movement of the prawns is reduced, the advantages of polyculture of the fishes and the prawns are fully exerted, and the survival rate of the prawns is high.
3. The purse seine is formed by detachably mounting and combining the net sheets and the fixing columns, and the proper net sheets can be selected for mounting or replacing according to the actual specifications of fishes and shrimps or the use conditions of the net sheets, so that the purse seine is convenient to use.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of the fixing post of the present invention.
Fig. 3 is an assembly schematic view of the anchor post and mesh of the present invention.
The attached drawings are as follows: 1-a pool body, 2-a fixed column, 3-a net sheet, 4-a net cage, 5-a slot and 6-a V-shaped block.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
Example 1:
a fish, shrimp and shellfish mixed culture pond comprises a pond body 1, a purse net, a plurality of net cages 4 and an aerator; the bottom of the tank body 1 inclines from the edge to the center; a water outlet is arranged at the central bottom of the tank body 1; the purse net takes the water outlet as the center and is arranged in the central area of the tank body 1; the periphery outside the purse net is provided with a waterwheel type water pushing aerator which can push the pond water to rotate and flow around the center of the pond body; a net cage 4 is arranged in the tank body 1 and outside the purse net;
the purse seine comprises a plurality of fixing columns 2 and a plurality of net sheets 3; the fixed columns 2 and the net sheets 3 are assembled into a closed structure.
Two groups of slots 5 are arranged in the axial direction of the fixed column 2; the width of the slot 5 is matched with the thickness of the net 3. The purse seine is assembled after the net sheets 3 are inserted into the fixing columns 2 through the slots 5, and the proper net sheets 3 can be selected for installation or replacement according to the actual specifications of fishes and shrimps or the use conditions of the net sheets 3.
Each set of slots 5 comprises two and adjacent slots 5. When the net sheets 3 need to be replaced, the new net sheets 3 can be inserted into the adjacent slots 5 of the old net sheets 3, and then the old net sheets 3 are taken out, so that the in-situ replacement is realized, and the isolation effect of fishes and shrimps is not influenced.
The purse seine is square.
The upper end of the purse net is 25-30cm higher than the highest water level line of the pond; the area of the purse net accounts for 1/6-1/5 of the area of the tank body 1.
The mesh size of the net piece 3 is 2.5 cm-3.0 cm.
Selecting a proper net piece 3 and a proper fixing column 2 to be combined to form an enclosure net, firstly stocking penaeus vannamei fry outside the enclosure net, then stocking tilapia in the enclosure net, and finally hanging oysters in a net cage 4 outside the enclosure net to form multi-variety pond subarea polyculture of fishes, shrimps and shellfish; in the culture process, the pond is oxygenated by an aerator outside the purse net, and simultaneously, pond water flows around the center of the pond in a rotating manner, so that residual baits, organic debris and the like in the water body are collected to the middle part of the pond body 1, baits are brought to tilapia in the purse net, and the surplus nutrients in the water body are greatly reduced.
Example 2:
a fish, shrimp and shellfish mixed culture pond comprises a pond body 1, a purse net, a plurality of net cages 4 and an aerator; the bottom of the tank body 1 inclines from the edge to the center; a water outlet is arranged at the central bottom of the tank body 1; the purse net takes the water outlet as the center and is arranged in the central area of the tank body 1; the periphery outside the purse net is provided with a jet-type water-pushing aerator which can push the pond water to rotate around the center of the pond body to flow; a net cage 4 is arranged in the tank body 1 and outside the purse net;
the purse seine comprises a plurality of fixing columns 2 and a plurality of net sheets 3; the fixed columns 2 and the net sheets 3 are assembled into a closed structure.
Three groups of slots 5 are arranged in the axial direction of the fixed column 2; the width of the slot 5 is matched with the thickness of the net 3. The purse seine is assembled after the net sheets 3 are inserted into the fixing columns 2 through the slots 5, and the proper net sheets 3 can be selected for installation or replacement according to the actual specifications of fishes and shrimps or the use conditions of the net sheets 3.
Each set of slots 5 comprises two and adjacent slots 5. When the net sheets 3 need to be replaced, the new net sheets 3 can be inserted into the adjacent slots 5 of the old net sheets 3, and then the old net sheets 3 are taken out, so that the in-situ replacement is realized, and the isolation effect of fishes and shrimps is not influenced.
The purse seine is circular in shape.
The upper end of the purse net is 25-30cm higher than the highest water level line of the pond; the area of the purse net accounts for 1/6-1/5 of the area of the tank body 1.
The mesh size of the net piece 3 is 3.0 cm-3.5 cm.
The bottom of the net piece 3 is provided with a V-shaped block 6. After the net piece 3 is inserted into the fixing column 2 to the bottom of the pool body 1, the V-shaped block 6 is beneficial to inserting the net piece 3 into bottom mud of the pool body 1, the installation is simple and stable, and the isolation is effective.
The working principle of this embodiment is the same as embodiment 1.
Example 3:
a fish, shrimp and shellfish mixed culture pond comprises a pond body 1, a purse net, a plurality of net cages 4 and an aerator; the bottom of the tank body 1 inclines from the edge to the center; a water outlet is arranged at the central bottom of the tank body 1; the purse net takes the water outlet as the center and is arranged in the central area of the tank body 1; the periphery outside the purse net is provided with an air-lift water pushing aerator which can push the pond water to rotate and flow around the center of the pond body; a net cage 4 is arranged in the tank body 1 and outside the purse net;
the purse seine comprises a plurality of fixing columns 2 and a plurality of net sheets 3; the fixed columns 2 and the net sheets 3 are assembled into a closed structure.
Three groups of slots 5 are arranged in the axial direction of the fixed column 2; the width of the slot 5 is matched with the thickness of the net 3. The purse seine is assembled after the net sheets 3 are inserted into the fixing columns 2 through the slots 5, and the proper net sheets 3 can be selected for installation or replacement according to the actual specifications of fishes and shrimps or the use conditions of the net sheets 3.
Each set of slots 5 comprises two and adjacent slots 5. When the net sheets 3 need to be replaced, the new net sheets 3 can be inserted into the adjacent slots 5 of the old net sheets 3, and then the old net sheets 3 are taken out, so that the in-situ replacement is realized, and the isolation effect of fishes and shrimps is not influenced.
The purse seine is circular in shape.
The upper end of the purse net is 25-30cm higher than the highest water level line of the pond; the area of the purse net accounts for 1/6-1/5 of the area of the tank body 1.
The mesh size of the net piece 3 is 3.5 cm-4.0 cm.
The bottom of the net piece 3 is provided with a V-shaped block 6. After the net piece 3 is inserted into the fixing column 2 to the bottom of the pool body 1, the V-shaped block 6 is beneficial to inserting the net piece 3 into bottom mud of the pool body 1, the installation is simple and stable, and the isolation is effective.
The working principle of this embodiment is the same as embodiment 1.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; all technical schemes belonging to the principle of the utility model belong to the protection scope of the utility model. Modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.
Claims (8)
1. The utility model provides a pond is bred in polyculture of fish, shrimp and shellfish, includes cell body (1), its characterized in that: the device also comprises a purse net, a plurality of net cages (4) and an aerator; the bottom of the pool body (1) inclines from the edge to the center; a water outlet is arranged at the central bottom of the tank body (1); the purse net takes the water outlet as the center and is arranged in the central area of the tank body (1); an aerator is arranged around the outside of the purse net; a net cage (4) is arranged in the tank body (1) and outside the purse net;
the purse seine comprises a plurality of fixing columns (2) and a plurality of net sheets (3); the fixed columns (2) and the net sheets (3) are assembled into a closed structure.
2. The fish, shrimp and shellfish mixed culture pond of claim 1, characterized in that: more than two groups of slots (5) are arranged in the axial direction of the fixed column (2); the width of the slot (5) is matched with the thickness of the net sheet (3).
3. The fish, shrimp and shellfish mixed culture pond of claim 2, characterized in that: each group of slots (5) comprises two adjacent slots (5).
4. The fish, shrimp and shellfish mixed culture pond of claim 1, characterized in that: the bottom of the net piece (3) is provided with a V-shaped block (6).
5. The fish, shrimp and shellfish mixed culture pond of claim 1, characterized in that: the purse seine is square or round in shape.
6. The fish, shrimp and shellfish mixed culture pond of any one of claims 1 or 5, characterized in that: the upper end of the purse net is 25-30cm higher than the highest water level line of the pond; the area of the purse net accounts for 1/6-1/5 of the area of the tank body (1).
7. The fish, shrimp and shellfish mixed culture pond of any one of claims 1 or 4, characterized in that: the mesh size of the net sheet (3) is 2.5 cm-4.0 cm.
8. The fish, shrimp and shellfish mixed culture pond of claim 1, characterized in that: the aerator is a waterwheel type, jet type or air-lift type water pushing aerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253820.XU CN215736450U (en) | 2021-09-17 | 2021-09-17 | Fish, shrimp and shellfish mixed culture pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253820.XU CN215736450U (en) | 2021-09-17 | 2021-09-17 | Fish, shrimp and shellfish mixed culture pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215736450U true CN215736450U (en) | 2022-02-08 |
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ID=80088481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122253820.XU Active CN215736450U (en) | 2021-09-17 | 2021-09-17 | Fish, shrimp and shellfish mixed culture pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215736450U (en) |
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2021
- 2021-09-17 CN CN202122253820.XU patent/CN215736450U/en active Active
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