CN215667642U - Multi-functional backwater device of sea water fish batch production recirculating aquaculture system - Google Patents
Multi-functional backwater device of sea water fish batch production recirculating aquaculture system Download PDFInfo
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- CN215667642U CN215667642U CN202122524896.1U CN202122524896U CN215667642U CN 215667642 U CN215667642 U CN 215667642U CN 202122524896 U CN202122524896 U CN 202122524896U CN 215667642 U CN215667642 U CN 215667642U
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Abstract
The utility model discloses a multifunctional water return device of a seawater fish factory circulating water culture system, which is used for a marine product culture pond and comprises a water inlet pipeline, a high-position drain pipe, a low-position drain pipe, a bottom discharge pipe, a main drain pipe and a water circulation purification box; the bottom discharge pipe is also fixedly connected with a water return component; the backwater component is fixedly arranged in the middle of the bottom surface of the culture pond; the water return assembly comprises a substrate and a flow guide part; the substrate is in a circular ring structure; the flow guide part is arranged on the top surface of the substrate; and a purification layer is also arranged in the bottom row pipe. The device realizes direct return water circulation of water with different culture water level heights in the culture pond, and can also quickly remove a large amount of dirt with various particle shapes, which is precipitated at the bottom of the culture pond and is generated by different fishes; a purification layer for primarily purifying and decomposing the dirt is also arranged in the bottom calandria; the device has high sewage discharge efficiency, and is convenient and practical.
Description
Technical Field
The utility model relates to the technical field of industrial recirculating aquaculture, in particular to a multifunctional water returning device of a marine fish industrial recirculating aquaculture system.
Background
Circulating water Aquaculture Systems (RAS) refer to engineering devices that purify Aquaculture water by physical, chemical, or biological methods to recycle all or part of the Aquaculture water. The circulating water culture has the advantages of land saving, water saving, energy saving, emission reduction, high culture benefit, safe product quality and the like, and represents the future development trend of industrial culture of marine fishes. With the improvement of fishermen's understanding of circulating water and the increase of government supporting force, the circulating water culture of marine fishes in China presents a rapid development situation in nearly two years, and the current culture area reaches 72 ten thousand meters2.
The existing seawater fish factory circulating water culture system mostly adopts an inverted U-shaped water return device, namely, a water outlet end of a sewage discharge pipe at the bottom of a pool is connected with a fixed vertical pipe, a water level control pipe communicated with the fixed vertical pipe and then connected with a downlink communicating pipe communicated with a main water return pipe. Although the structure is simple, rapid water circulation of different fishes at the water level suitable for cultivation cannot be realized; and the excrement generated by various fishes cannot be quickly removed, but deposition is caused, so that the water quality is deteriorated.
Therefore, a multifunctional water returning device of a seawater fish industrial circulating aquaculture system is needed to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a multifunctional water return device of a seawater fish industrial circulating water culture system, which solves the problems in the prior art, can directly carry out water return circulation on water at different culture water level heights in a culture pond, and can quickly remove a large amount of dirt with various particle shapes, which is precipitated at the bottom of the culture pond and is generated by different fishes.
In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a multi-functional backwater device of a seawater fish factory circulating water culture system, which is used for a marine product culture pond and is characterized by comprising the following components: the water circulation purification device comprises a water inlet pipeline, a high-level drain pipe, a low-level drain pipe, a bottom drain pipe, a main drain pipe and a water circulation purification box; the water circulation purification box is communicated with the side wall of the culture pond through the water inlet pipeline; the high-position drain pipe, the low-position drain pipe and the bottom drain pipe are communicated with one end of the main drain pipe through a three-way valve, and the other end of the main drain pipe is communicated with the water circulation purification box; the communication part of the high-level drain pipe and the culture pond is arranged below a high-level control line of the culture pond; the communication part of the low-level drain pipe and the culture pond is arranged below the water level control line at the bottom of the culture pond;
the bottom discharge pipe is also fixedly connected with a water return component; the water return component is fixedly arranged in the middle of the bottom surface of the culture pond; the water return assembly comprises a substrate and a flow guide part; the substrate is of a circular ring structure; the flow guide part is arranged on the top surface of the substrate; and a purification layer is also arranged in the bottom row pipe.
The purifying layer is arranged at one end of the bottom exhaust pipe close to the substrate; the purification layer comprises a loose layer, an intermediate layer and a compact layer; the loose layer, the middle layer and the compact layer are sequentially arranged away from the substrate;
aerobic microorganisms are contained in the loose layer; anaerobic microorganisms are accommodated in the compact layer; the intermediate layer contains facultative microorganisms.
The bottom surface of the culture pond is also provided with a holding tank for holding the substrate downwards, so that the top surface of the substrate is flush with the bottom surface of the culture pond; the base plate is fixedly installed in the accommodating groove through bolts.
The flow guide part comprises a first flow guide part and a second flow guide part; the first flow guide part and the second flow guide part are respectively provided with a plurality of blocks which are arranged in a staggered manner; a water return gap is formed between the first flow guide part and the second flow guide part;
the top surface of the base plate is also provided with a plurality of mounting grooves, and the mounting grooves correspond to the first flow guide positions in position; the first flow guide part is arranged on the top of the substrate through a movable assembly, and the second flow guide part is fixedly arranged on the top surface of the substrate; the movable assembly is arranged in the mounting groove.
The movable component is an electric push rod; and one end of the electric push rod is fixedly arranged in the mounting groove, and the other end of the electric push rod extends out of the mounting groove and is fixedly connected with the bottom surface of the first flow guide part.
The first flow guide part is of a pentahedron structure with a wedge-shaped section.
The second flow guide part is of an isosceles triangle cube structure in section.
The width of the backwater gap is 15mm-20 mm.
The utility model discloses the following technical effects: the device realizes direct return water circulation of water with different culture water level heights in the culture pond, and can also quickly remove a large amount of dirt with various particle shapes, which is precipitated at the bottom of the culture pond and is generated by different fishes; a purification layer for primarily purifying and decomposing the dirt is also arranged in the bottom calandria; the device has high sewage discharge efficiency, and is convenient and practical.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure;
FIG. 2 is a schematic view of the refill assembly;
FIG. 3 is a top view of the refill assembly;
FIG. 4 is a schematic illustration of a purification layer configuration;
wherein, 1, a high-level drain pipe; 2. a low-level drain pipe; 3. a bottom row of tubes; 4. a water circulation purifying tank; 5. a main drain pipe; 6. a substrate; 7. a purification layer; 8. a porous layer; 9. an intermediate layer; 10. a compact layer; 11. a first flow guide part; 12. a second flow guide part; 13. an electric push rod; 14. a main water inlet pipe; 15. a high-level water inlet pipe; 16. a low-level water inlet pipe; 17. an electrically operated valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The utility model provides a multi-functional backwater device of a seawater fish factory circulating water culture system, which is used for a marine product culture pond and comprises: the system comprises a water inlet pipeline, a high-level drain pipe 1, a low-level drain pipe 2, a bottom drain pipe 3, a main drain pipe 5 and a water circulation purification box 4; the water circulation purification box 4 is communicated with the side wall of the culture pond through a water inlet pipeline; the high-level drain pipe 1, the low-level drain pipe 2 and the bottom drain pipe 3 are communicated with one end of a main drain pipe 5 through a three-way valve, and the other end of the main drain pipe 5 is communicated with a water circulation purification box 4; the high-level drain pipe 1 is communicated with the culture pond and is arranged below a high-level control line of the culture pond; the low-level drain pipe 2 is communicated with the culture pond and is arranged below the water level control line at the bottom of the culture pond;
the bottom discharge pipe 3 is also fixedly connected with a water return component; the backwater component is fixedly arranged in the middle of the bottom surface of the culture pond; the water return assembly comprises a substrate 6 and a flow guide part; the substrate 6 is in a circular ring structure; the flow guide part is arranged on the top surface of the substrate 6; a purifying layer 7 is also arranged in the bottom calandria 3.
The purification layer 7 is arranged at one end of the bottom discharge pipe 3 close to the substrate 6; the purification layer 7 comprises a loose layer 8, an intermediate layer 9 and a compact layer 10; the loose layer 8, the intermediate layer 9 and the compact layer 10 are sequentially arranged away from the substrate 6;
aerobic microorganisms are contained in the loose layer 8; anaerobic microorganisms are accommodated in the compact layer 10; the intermediate layer 9 contains facultative microorganisms.
The bottom surface of the culture pond is also provided with a holding tank for holding the substrate 6 downwards, so that the top surface of the substrate 6 is flush with the bottom surface of the culture pond; the base plate 6 is fixedly mounted in the accommodating groove through bolts.
The flow guide part comprises a first flow guide part 11 and a second flow guide part 12; the first flow guide part 11 and the second flow guide part 12 are provided with a plurality of blocks which are arranged in a staggered manner; a water return gap is formed between the first flow guide part 11 and the second flow guide part 12;
the top surface of the base plate 6 is also provided with a plurality of mounting grooves, and the mounting grooves correspond to the first flow guide parts in position; the first flow guide part 11 is arranged on the top of the substrate 6 through a movable assembly, and the second flow guide part 12 is fixedly arranged on the top surface of the substrate 6; the movable assembly is arranged in the mounting groove.
The movable component is an electric push rod 13; one end of the electric push rod 13 is fixedly arranged in the mounting groove, and the other end of the electric push rod extends out of the mounting groove and is fixedly connected with the bottom surface of the first flow guide part 11.
The first flow guide part 11 is a pentahedral structure with a wedge-shaped cross section.
The second flow guiding part 12 is of an isosceles triangle cubic structure.
The width of the backwater gap is 15mm-20 mm.
In one embodiment of the present apparatus, the water inlet pipe may be further divided into a main water inlet pipe 14, a high-level water inlet pipe 15 and a low-level water inlet pipe 16; the high-level water inlet pipe 15 and the low-level water inlet pipe 16 are both communicated with the water circulation purification box 4 through a main water inlet pipeline 14; the height of the high-level water inlet pipe 15 and the height of the low-level water inlet pipe 16 are the same as the height of the high-level drain pipe 1 and the height of the low-level drain pipe 2, and most of water quality circulation at the same water level can be directly and respectively realized.
In one embodiment of the device, the high-level drain pipe 1, the low-level drain pipe 2, the bottom drain pipe 3, the high-level water inlet pipe 15 and the low-level water inlet pipe 16 are all provided with an electric valve 17; the electric valve 17 can be controlled at a far end, and the opening and the closing of the electric valve 17 at each position are respectively controlled, so that the energy conservation of the return water circulating system of the culture pond is realized; for example, when fish is not cultivated in the high-level water, the high-level drain pipe 1 and the high-level inlet pipe 15 can be closed, and the water return circulation is performed only through the low-level drain pipe 2, the bottom drain pipe 3 and the low-level inlet pipe 16.
In one embodiment of the device, the first flow guide part 11 in the water return assembly can vertically move up and down through the electric push rod 13, and the generated dirt has different sizes due to different sizes of fishes, and when the fishes are small, in order to prevent the small fishes from running out through the bottom discharge pipe 3, the water return gap between the first flow guide part 11 and the second flow guide part 12 needs to be strictly controlled to ensure that only the dirt can pass through; however, another situation may exist in which the dirt is too large to enter the bottom discharge pipe 3 through the backwater gap and the backwater gap is blocked; at this time, the electric push rod 13 can move upwards in the vertical direction, so that the water return gap is enlarged and then the foreign matters are discharged.
In one embodiment of the device, the electric push rod 13 is coated with a waterproof material on its outside for long-term use.
In one embodiment of the device, the high-level drain pipe 1 is communicated with the culture pond and is arranged 6cm below a high-level control line of the culture pond; the low-level drain pipe 2 is communicated with the culture pond and is arranged at the position 6cm below the water level control line at the bottom of the culture pond.
In one embodiment of the device, a purification layer 7 is also provided, which can primarily purify and degrade the dirt.
In one embodiment of the device, a plurality of water return assemblies can be arranged, the water return assemblies are uniformly distributed on the bottom surface of the culture pond, and the bottom discharge pipe 3 can extend to be provided with branch pipes which are respectively communicated with the water return assemblies.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. The utility model provides a multi-functional backwater device of sea water fish batch production recirculating aquaculture system for marine product culture pond, its characterized in that includes: the device comprises a water inlet pipeline, a high-level drain pipe (1), a low-level drain pipe (2), a bottom drain pipe (3), a main drain pipe (5) and a water circulation purification box (4); the water circulation purification box (4) is communicated with the side wall of the culture pond through the water inlet pipeline; the high-position drain pipe (1), the low-position drain pipe (2) and the bottom drain pipe (3) are communicated with one end of the main drain pipe (5) through a three-way valve, and the other end of the main drain pipe (5) is communicated with the water circulation purification box (4); the high-level drain pipe (1) is communicated with the culture pond and is arranged below a high-level control line of the culture pond; the communication part of the low-level drain pipe (2) and the culture pond is arranged below the water level control line at the bottom of the culture pond;
the bottom discharge pipe (3) is also fixedly connected with a water return component; the water return component is fixedly arranged in the middle of the bottom surface of the culture pond; the water return assembly comprises a substrate (6) and a flow guide part; the substrate (6) is of a circular ring structure; the flow guide part is arranged on the top surface of the substrate (6); and a purification layer (7) is also arranged in the bottom discharge pipe (3).
2. The multifunctional water returning device of the seawater fish industrial circulating water culture system, according to claim 1, is characterized in that: the purification layer (7) is arranged at one end of the bottom discharge pipe (3) close to the substrate (6); the purification layer (7) comprises a loose layer (8), an intermediate layer (9) and a compact layer (10); the loose layer (8), the middle layer (9) and the compact layer (10) are arranged away from the substrate (6) in sequence;
aerobic microorganisms are contained in the loose layer (8); anaerobic microorganisms are contained in the compact layer (10); the intermediate layer (9) contains facultative microorganisms.
3. The multifunctional water returning device of the seawater fish industrial circulating water culture system, according to claim 1, is characterized in that: the bottom surface of the culture pond is also downwards provided with a containing groove for containing the substrate (6), so that the top surface of the substrate (6) is flush with the bottom surface of the culture pond; the base plate (6) is fixedly installed in the accommodating groove through bolts.
4. The multifunctional water returning device of the seawater fish industrial circulating water culture system, according to claim 1, is characterized in that: the flow guide part comprises a first flow guide part (11) and a second flow guide part (12); the first flow guide part (11) and the second flow guide part (12) are provided with a plurality of blocks which are arranged in a staggered manner; a water return gap is formed between the first flow guide part (11) and the second flow guide part (12);
the top surface of the base plate (6) is also provided with a plurality of mounting grooves, and the mounting grooves correspond to the first flow guide parts in position; the first flow guide part (11) is mounted at the top of the base plate (6) through a movable assembly, and the second flow guide part (12) is fixedly mounted on the top surface of the base plate (6); the movable assembly is arranged in the mounting groove.
5. The multifunctional water returning device of the seawater fish industrial circulating water culture system, according to claim 4, is characterized in that: the movable component is an electric push rod (13); and one end of the electric push rod (13) is fixedly arranged in the mounting groove, and the other end of the electric push rod extends out of the mounting groove and is fixedly connected with the bottom surface of the first flow guide part (11).
6. The multifunctional water returning device of the seawater fish industrial circulating water culture system, according to claim 4, is characterized in that: the first flow guide part (11) is of a pentahedron structure with a wedge-shaped section.
7. The multifunctional water returning device of the seawater fish industrial circulating water culture system, according to claim 4, is characterized in that: the second flow guide part (12) is of an isosceles triangle cubic structure in section.
8. The multifunctional water returning device of the seawater fish industrial circulating water culture system, according to claim 4, is characterized in that: the width of the backwater gap is 15mm-20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122524896.1U CN215667642U (en) | 2021-10-20 | 2021-10-20 | Multi-functional backwater device of sea water fish batch production recirculating aquaculture system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122524896.1U CN215667642U (en) | 2021-10-20 | 2021-10-20 | Multi-functional backwater device of sea water fish batch production recirculating aquaculture system |
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| Publication Number | Publication Date |
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| CN215667642U true CN215667642U (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122524896.1U Active CN215667642U (en) | 2021-10-20 | 2021-10-20 | Multi-functional backwater device of sea water fish batch production recirculating aquaculture system |
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| CN (1) | CN215667642U (en) |
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- 2021-10-20 CN CN202122524896.1U patent/CN215667642U/en active Active
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