CN212545144U

CN212545144U - Aquatic organism culture system

Info

Publication number: CN212545144U
Application number: CN202020131223.2U
Authority: CN
Inventors: 朱莉飞; 孙砚胜; 张欣; 李文通; 王赛赛
Original assignee: Beijing Fisheries Research Institute (national Engineering Research Center For Freshwater Fisheries)
Current assignee: Beijing Fisheries Research Institute (national Engineering Research Center For Freshwater Fisheries); Beijing Fisheries Research Institute
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2021-02-19
Anticipated expiration: 2030-01-20

Abstract

The utility model relates to an aquatic organism farming systems. A circulating water outlet is formed in a culture pond of the aquatic organism culture system; the sedimentation tank is provided with a circulating water inlet communicated with the circulating water outlet and is used for settling suspended matters in the circulating water; the primary filtering tank and the secondary filtering tank are used for sequentially filtering the circulating water after precipitation; the water purifying tank is used for storing the filtered circulating water and discharging the filtered circulating water into the culture tank through the submersible pump; the sewage discharge pond is communicated with the sewage discharge ports of the culture pond, the sedimentation pond, the primary filtering pond, the secondary filtering pond and the clean water pond. The utility model discloses not only can realize single clearance to breeding pond and sedimentation tank, primary filter tank, secondary filter tank, reduce intensity of labour, realize the cyclic utilization to the circulating water moreover, save the water resource.

Description

Aquatic organism culture system

Technical Field

The utility model relates to a breed technical field, especially relate to an aquatic organisms farming systems.

Background

Pond culture is one of the important modes of aquaculture, wherein the existing ponds such as earth ponds and the like usually have various disadvantages due to simple structure. Especially when the pond is cleaned, the water in the pond needs to be discharged through the submersible pump, so that not only is the water resource wasted, but also the difficulty in cleaning the pond is increased.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is necessary to provide an aquatic organism farming system for solving the problems of difficulty in cleaning ponds and waste of water resources.

An aquatic organism farming system, comprising: the device comprises a culture pond, a sedimentation pond, a primary filtering pond, a secondary filtering pond, a clear water pond and a sewage disposal pond;

the culture pond is provided with a circulating water outlet, and a first valve is arranged at the circulating water outlet;

the sedimentation tank is provided with a circulating water inlet communicated with the circulating water outlet and is used for settling suspended matters in the circulating water;

the primary filtering tank and the secondary filtering tank are used for sequentially filtering the circulating water after precipitation;

the clear water tank is used for storing the filtered circulating water and discharging the filtered circulating water into the culture tank through a submersible pump;

the sewage discharging pool is communicated with the breeding pool, the sedimentation pool, the primary filtering pool, the secondary filtering pool and the sewage discharging port of the clean water pool, and a second valve is arranged at each sewage discharging port.

In one embodiment, the corners of the culture pond are provided with round corners.

In one embodiment, a water outlet is further arranged on the culture pond, and a third valve is arranged at the water outlet.

In one embodiment, a water injection port is further arranged at the top of the side wall of the culture pond close to the clean water pond, the water injection port is communicated with a water outlet of the submersible pump through a first water inlet pipeline, and the water injection port is further communicated with an external water source through a second water inlet pipeline.

In one embodiment, the circulating water inlet is arranged on the bottom wall of the sedimentation tank;

and a first partition wall is arranged between the sedimentation tank and the primary filtering tank and is used for enabling the settled circulating water to overflow from the sedimentation tank into the primary filtering tank.

In one embodiment, the filter material in the primary filter tank comprises at least one of microorganism balls and hair brushes.

In one embodiment, a second partition wall is arranged between the primary filtering tank and the secondary filtering tank, and the second partition wall is used for enabling circulating water after primary filtering to overflow from the primary filtering tank to the secondary filtering tank.

In one embodiment, the filter material in the secondary filter tank comprises at least one of filter cotton and activated carbon.

In one embodiment, a third partition wall is arranged between the secondary filter tank and the clean water tank, and the third partition wall is used for enabling the filtered circulating water to overflow from the secondary filter tank to the clean water tank.

In one embodiment, the aquatic organism farming system further includes: the fourth partition wall is arranged in the primary filter tank, the fifth partition wall is arranged in the secondary filter tank, and the sixth partition wall is arranged in the water purification tank;

the fourth partition wall is higher than the first partition wall, and a gap is formed between the fourth partition wall and the bottom of the primary filter tank;

the fifth partition wall is higher than the second partition wall, and a gap is formed between the fifth partition wall and the bottom of the secondary filter tank;

the sixth partition wall is higher than the third partition wall, and a gap is formed between the sixth partition wall and the bottom of the clean water tank.

In one embodiment, each sewage draining outlet is communicated with the bottom of the sewage draining pool through a sewage draining pipeline;

and a plurality of detachable overflow pipes are arranged in the sewage disposal pool, and each overflow pipe extends upwards and is communicated with a corresponding sewage disposal pipeline.

In one embodiment, the bottom of the sewage disposal pool is provided with a main sewage disposal outlet, and the main sewage disposal outlet is provided with a fourth valve.

According to the aquatic organism culture system, the sedimentation tank is used for settling suspended matters in circulating water flowing out of the culture tank, the primary filter tank and the secondary filter tank are used for sequentially filtering the circulating water after sedimentation so as to remove inorganic nitrogen, heavy metals and other substances in a water body, the clean water tank is used for storing the circulating water after filtration and discharging the circulating water after filtration into the culture tank through the submersible pump, and the sewage discharge tank is communicated with the sewage discharge outlets of the culture tank, the sedimentation tank, the primary filter tank and the secondary filter tank so that pollutants in the respective tanks are discharged into the sewage discharge tank, and then the sediments in the respective tanks are cleaned.

Drawings

Fig. 1 is a top view of an aquatic organism farming system according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view taken along the plane A in FIG. 1 of an aquatic organism farming system according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of an aquatic organism farming system according to an embodiment of the present invention, taken along the plane B in FIG. 1;

fig. 4 is a schematic cross-sectional view of an aquatic organism culture system according to an embodiment of the present invention, taken along plane C of fig. 1;

fig. 5 is a schematic cross-sectional view of an aquatic organism farming system according to an embodiment of the present invention, taken along plane D in fig. 1.

Wherein the various reference numbers in the drawings are described below:

1-culture pond, 1 a-circulating water outlet, 1 b-water outlet, 1 c-water inlet, 11-fillet, 12-first water inlet pipeline, 2-sedimentation tank, 2 a-circulating water inlet, 3-primary filtering tank, 4-secondary filtering tank, 5-clean water tank, 6-sewage disposal tank, 6 a-total sewage disposal outlet, 7-submersible pump, 81-first partition wall, 82-second partition wall, 83-third partition wall, 84-fourth partition wall, 85-fifth partition wall, 86-sixth partition wall, 9-sewage disposal pipeline, 10-overflow pipe and M-sewage disposal outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the technical solutions of the present invention are further described in detail below by way of examples and with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings). In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

An embodiment of the utility model provides an aquatic organisms farming systems, as shown in fig. 1, this aquatic organisms farming systems includes: a culture pond 1, a sedimentation pond 2, a primary filtering pond 3, a secondary filtering pond 4, a clean water pond 5 and a sewage disposal pond 6. Furthermore, a circulating water outlet 1a is formed in the culture pond 1, and a first valve is arranged at the circulating water outlet 1 a; the sedimentation tank 2 is provided with a circulating water inlet 2a communicated with the circulating water outlet 1a, and the sedimentation tank 2 is used for settling suspended matters in the circulating water; the primary filtering tank 3 and the secondary filtering tank 4 are used for sequentially filtering the circulating water after precipitation; the clear water tank 5 is used for storing the filtered circulating water and discharging the filtered circulating water into the culture tank 1 through a submersible pump 7; the sewage discharging pool 6 is communicated with the sewage discharging ports M of the culture pool 1, the sedimentation pool 2, the primary filtering pool 3, the secondary filtering pool 4 and the clean water pool 5, and a second valve is arranged at each sewage discharging port M.

It should be noted that the aquatic organism culture system of the present invention is applicable to the culture of edible and ornamental fishes.

The following is a description of the use of the aquatic organism farming system as described above:

when the culture pond 1 needs to be cleaned, the first valve at the circulating water outlet 1a of the culture pond 1 is opened firstly, so that the circulating water in the culture pond 1 flows into the sedimentation tank 2, and suspended matters (such as excrement and urine of aquatic organisms, residual baits and the like) in the circulating water are settled to the bottom of the sedimentation tank 2 through physical action. And the circulating water after precipitation sequentially enters the primary filtering tank 3 and the secondary filtering tank 4 for multiple times of filtering to remove inorganic nitrogen, ammonia and other substances in the water body. Filtered circulating water flows into the clean water reservoir 5 to be stored, and the submersible pump 7 pumps the filtered circulating water into the culture pond 1, so that the culture pond 1 is cleaned, the circulating water is recycled, and water resources are saved.

When each of the ponds (i.e., the culture pond 1, the sedimentation pond 2, the primary filtering pond 3, the secondary filtering pond 4 and the clean water pond 5) in the aquatic organism culture system needs to be decontaminated, the second valve at the respective sewage discharge outlet M is opened to discharge the pollutants in the respective pond into the sewage discharge pond 6.

It can be seen that, in the aquatic organism culture system, the sedimentation tank 2 is used for settling suspended matters in the circulating water flowing out from the culture tank 1, the primary filter tank 3 and the secondary filter tank 4 are used for sequentially filtering the settled circulating water to remove inorganic nitrogen, heavy metals and other substances in the water body, the clean water tank 5 is used for storing the filtered circulating water and discharging the filtered circulating water into the culture tank 1 through the submersible pump 7, and the sewage discharge tank 6 is communicated with the culture tank 1, the sedimentation tank 2, the primary filter tank 3 and the sewage discharge outlet M of the secondary filter tank 4, so that pollutants in each water tank are discharged into the sewage discharge tank 6, and then the pollutants in each water tank are cleaned, thereby not only cleaning the culture tank 1, the sedimentation tank 2, the primary filter tank 3 and the secondary filter tank 4 by one person can be realized, the labor intensity is reduced, but also the circulating water can be recycled, saving water resources.

As shown in fig. 1, 4 and 5, in some embodiments of the present invention, the edge of the cultivation pond 1 is provided with a fillet 11. The rounded corners 11 not only promote the circulation of the water in the culture pond 1, but also prevent the surface of the aquatic organisms (such as fish) from being scratched.

Optionally, the culture pond 1 is of a rectangular structure, and 4 edges of the culture pond 1 are all set to be rounded corners.

Alternatively, the culture pond 1 may be constructed by cement.

As shown in fig. 1, in some embodiments of the present invention, a water outlet 1b is further disposed on the cultivation pond 1, and a third valve is disposed at the water outlet 1 b. Therefore, when the aquatic organisms in the culture pond 1 have epidemic diseases, the third valve at the water outlet 1b of the culture pond 1 can be opened, so that the water body in the culture pond 1 is quickly discharged, and the function of quickly changing water is achieved; in addition, when the water level of the culture pond 1 is too high, the third valve can be opened to discharge part of water, so that the water level of the culture place 1 can be controlled.

Alternatively, the drain port 1b is opened convexly at the bottom of the culture pond 1 (see fig. 3).

Optionally, the water outlet 1b is further communicated with a water guide line to realize the directional discharge of the water body in the culture pond 1.

As shown in fig. 1, in some embodiments of the present invention, the top of the side wall near the clean water reservoir 6 in the culture pond 1 is further provided with a water injection port 1c, the water injection port 1c is communicated with the water outlet of the submersible pump 7 through a first water inlet pipeline 12, and the water injection port 1c is further communicated with an external water source through a second water inlet pipeline. The water injection port 1c can smoothly flow the filtered circulating water in the external water source or the clean water tank 5 into the culture tank 1, and prevent the water in the culture tank 1 from splashing into the clean water tank 5, the primary filtering tank 3 and the secondary filtering tank 4.

Optionally, the water injection port 1c of the culture pond 1 is arranged in a U-shaped structure, and the opening of the U-shaped structure is connected to the side wall of the culture pond 1 close to the clean water reservoir 6.

Alternatively, the water inlet 1c and the water outlet 1b of the culture pond 1 are provided at both ends of the culture pond 1 at intervals in the longitudinal direction of the culture pond 1.

In some embodiments of the present invention, as shown in fig. 1, fig. 2 and fig. 5, the sewage outlet M of the culture pond 1 is communicated with the bottom of the sewage pond 6 through a sewage pipeline 9, and a detachable overflow pipe 10 is arranged in the sewage pond 6, and the overflow pipe 10 extends upwards and is communicated with the sewage pipeline 9. The overflow pipe 10 can realize the control of the water level of the culture pond 1; in addition, when the culture pond 1 is cleaned or epidemic diseases occur, the overflow pipe 10 can be pulled out from the bottom of the sewage disposal pond 6, so that the culture pond 1 can be drained quickly.

Optionally, the number of the sewage outlets M of the culture pond 1 is set to 2, and the 2 sewage outlets M are all communicated with the overflow pipe 10 in the sewage pond 6 through respective sewage pipes 9, and the 2 sewage outlets M can be opened at the center of the bottom of the culture pond 1.

Optionally, the bottom of breeding pond 1 is seted up in the protrusion of the circulating water delivery port 1a of breeding pond 1 (see fig. 3), can avoid breeding the pollutant on the bottom of pond 1 and not flowing into in sedimentation tank 2 through drain M, and this can increase the processing degree of difficulty of sedimentation tank 2, can reduce the treatment effect to the circulating water.

As shown in fig. 1, in some embodiments of the present invention, a circulating water inlet 2a is formed in the bottom wall of the sedimentation tank 2; a first partition wall 81 is arranged between the sedimentation tank 2 and the primary filtration tank 3, and the first partition wall 81 is used for enabling the circulating water after sedimentation to overflow from the sedimentation tank 2 to the primary filtration tank 3. It can be understood that the sedimentation tank 2 and the primary filtration tank 3 share one water tank, and the height of the first partition wall 81 between the sedimentation tank 2 and the primary filtration tank 3 is smaller than the height of the shared water tank, so that the water in the sedimentation tank 2 can enter the primary filtration tank 3 through the upper edge of the sedimentation tank 2 (i.e., the top of the first partition wall 81). Thus, the structure of the aquatic organism culture system can be simplified and the preparation cost of the aquatic organism culture system can be reduced.

Further, as shown in fig. 2, in some embodiments of the present invention, the aquatic organism cultivation system further includes: a fourth partition wall 84 provided in the primary filtration tank 3; the fourth partition wall 84 is higher than the first partition wall 81, and there is a gap between the fourth partition wall 84 and the bottom of the primary filtration tank 3. The fourth partition wall 84 ensures that water flows in from the bottom of the primary filter tank 3 and prevents the water from flowing back to the top of the primary filter tank 3. Wherein the arrows in fig. 2 represent the water flow direction.

In some embodiments of the present invention, the filter material in the primary filter tank 3 comprises at least one of a microorganism ball and a brush. The microbial balls and the brushes are used for enriching and promoting the growth of microbes in the water body so as to decompose inorganic nitrogen and other compounds in the water body.

Alternatively, the microorganism balls may be placed at the bottom of the primary filtration tank 3; the head of the brush can be hung on the outer wall of the primary filtering tank 3, and the tail of the brush extends into the bottom of the primary filtering tank 3.

In some embodiments of the present invention, as shown in fig. 1, fig. 2 and fig. 5, the sewage discharge outlet M of the primary filter tank 3 is communicated with the sewage discharge tank 6 through a sewage discharge pipeline 9, and a detachable overflow pipe 10 is provided in the sewage discharge tank 6, and the overflow pipe 10 extends upward and is communicated with the sewage discharge pipeline 9. The overflow pipe 10 can realize the control of the water level of the primary filtering tank 3; in addition, when the primary filter tank 3 is cleaned or epidemic diseases occur, the overflow pipe 10 can be pulled out from the bottom of the sewage disposal tank 6, so that the primary filter tank 3 can be drained quickly.

As shown in fig. 1, in some embodiments of the present invention, a second partition wall 82 is disposed between the primary filtering tank 3 and the secondary filtering tank 4, and the second partition wall 82 is used for overflowing the circulating water after primary filtering from the primary filtering tank 3 to the secondary filtering tank 4. It is understood that the primary filtration tank 3 and the secondary filtration tank 4 share one water basin, and the height of the second partition wall 82 between the primary filtration tank 3 and the secondary filtration tank 4 is smaller than the height of the shared water basin, so that the water in the primary filtration tank 3 (i.e., the circulating water after primary filtration) can enter the secondary filtration tank 4 through the upper edge of the primary filtration tank 3 (i.e., the top of the second partition wall 82). Therefore, the structure complexity of the aquatic organism culture system can be simplified, and the preparation cost of the aquatic organism culture system can be reduced.

Further, as shown in fig. 2, in some embodiments of the present invention, the aquatic organism cultivation system further includes: a fifth partition wall 85 provided in the secondary filtering tank 4; the fifth partition wall 85 is higher than the second partition wall 82, and there is a gap between the fifth partition wall 85 and the bottom of the secondary filtration tank 4. The fifth partition wall 85 ensures that the water flow is flushed from the bottom of the secondary filter tank 4 and prevents the water from flowing back to the top of the secondary filter tank 4.

In some embodiments of the present invention, the filter material in the secondary filter tank 4 comprises at least one of filter cotton and activated carbon. The filter cotton and the active carbon are used for adsorbing inorganic nitrogen and other compounds which are not decomposed or not decomposed completely by microorganisms in the water body.

Optionally, the filter cotton and the activated carbon are directly placed at the bottom of the secondary filter tank 4.

In some embodiments of the present invention, as shown in fig. 1, fig. 2 and fig. 5, the sewage outlet M of the secondary filtering tank 4 is communicated with the sewage draining tank 6 through a sewage draining pipeline 9, and a detachable overflow pipe 10 is arranged in the sewage draining tank 6, and the overflow pipe 10 extends upwards and is communicated with the sewage draining pipeline 9. The overflow pipe 10 can realize the control of the water level of the secondary filter tank 4; in addition, when the secondary filter tank 4 is cleaned or an epidemic disease occurs, the overflow pipe 10 can be pulled out from the bottom of the sewage disposal tank 6, so that the secondary filter tank 4 can be drained quickly.

As shown in fig. 1, in some embodiments of the present invention, a third partition wall 83 is disposed between the secondary filtering basin 4 and the clean water basin 5, and the third partition wall 83 is used for overflowing the filtered circulating water from the secondary filtering basin 4 to the clean water basin 5. It will be appreciated that the secondary filter tank 4 and the clean water tank 5 share a common water tank, and the height of the third partition wall 83 between the secondary filter tank 4 and the clean water tank 5 is smaller than the height of the common water tank, so that the water in the secondary filter tank 4 (i.e., the circulating water after primary filtration) can enter the clean water tank 5 through the upper edge of the secondary filter tank 4 (i.e., the top of the third partition wall 83). Therefore, the structure complexity of the aquatic organism culture system can be simplified, and the preparation cost of the aquatic organism culture system can be reduced.

Further, as shown in fig. 2, in some embodiments of the present invention, the aquatic organism cultivation system further includes: a sixth partition wall 86 provided in the clean water tank 5; the sixth partition wall 86 is higher than the third partition wall 83, and a gap is provided between the sixth partition wall 86 and the bottom of the clean water reservoir 5. The sixth partition wall 86 ensures that water flows in from the bottom of the clean water reservoir 5 and prevents the top water of the clean water reservoir 5 from overflowing.

In some embodiments of the present invention, as shown in fig. 1, fig. 2 and fig. 5, the sewage outlet M of the clean water reservoir 5 is communicated with the sewage reservoir 6 through a sewage pipeline 9, and a detachable overflow pipe 10 is provided in the sewage reservoir 6, and the overflow pipe 10 extends upward and is communicated with the sewage pipeline 9. The overflow pipe 10 can realize the control of the water level of the purified water tank 5; in addition, when the clean water reservoir 5 is cleaned or an epidemic disease occurs, the overflow pipe 10 can be pulled out from the bottom of the sewage disposal reservoir 6, so that the water can be quickly drained from the clean water reservoir 5.

In some embodiments of the present invention, the sewage draining exit M of the sedimentation tank 2, the primary filtering tank 3, the secondary filtering tank 4 and the clean water tank 6 is set to be a funnel structure (see fig. 2), which facilitates the discharge of pollutants in each water tank.

As shown in fig. 1, in some embodiments of the present invention, a total sewage draining exit 6a is provided on the bottom of the sewage draining pool 6, and a fourth valve is provided at the total sewage draining exit 6 a. When the pollutant deposited on the bottom of the sewage draining pond 6 needs to be drained, only the fourth valve at the main sewage draining outlet 6a needs to be opened.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An aquatic organism farming system, comprising: the device comprises a culture pond (1), a sedimentation pond (2), a primary filtering pond (3), a secondary filtering pond (4), a water purifying pond (5) and a sewage disposal pond (6);

the culture pond (1) is provided with a circulating water outlet (1a), and a first valve is arranged at the circulating water outlet (1 a);

the sedimentation tank (2) is provided with a circulating water inlet (2a) communicated with the circulating water outlet (1a), and the sedimentation tank (2) is used for settling suspended matters in the circulating water;

the primary filtering tank (3) and the secondary filtering tank (4) are used for filtering the circulating water after precipitation in sequence;

the clear water tank (5) is used for storing the filtered circulating water and discharging the filtered circulating water into the culture tank (1) through a submersible pump (7);

the sewage draining pond (6) is communicated with the culture pond (1), the sedimentation pond (2), the primary filtering pond (3), the secondary filtering pond (4) and the sewage draining ports (M) of the clean water pond (5), and a second valve is arranged at each sewage draining port (M).

2. An aquatic creature culture system according to claim 1, wherein corners of the culture pond (1) are provided with rounded corners (11).

3. An aquatic organism culture system according to claim 1, wherein a water outlet (1b) is further provided on the culture pond (1), and a third valve is provided at the water outlet (1 b).

4. The aquatic organism farming system of claim 1, wherein a water injection port (1c) is further provided in the farming pond (1) near the top of the side wall of the clean water pond (5), the water injection port (1c) is communicated with a water discharge port of the submersible pump (7) through a first water inlet line (12), and the water injection port (1c) is further communicated with an external water source through a second water inlet line.

5. An aquatic creature culture system according to claim 1, wherein said circulating water inlet (2a) opens at a bottom wall of said sedimentation tank (2);

a first partition wall (81) is arranged between the sedimentation tank (2) and the primary filtering tank (3), and the first partition wall (81) is used for enabling the settled circulating water to overflow from the sedimentation tank (2) to the primary filtering tank (3).

6. An aquatic organism farming system according to claim 1 wherein the filter material in the primary filtration tank includes at least one of microbial balls and brushes.

7. An aquatic organism culture system according to claim 1, wherein a second partition wall (82) is provided between the primary filter tank (3) and the secondary filter tank (4), the second partition wall (82) being adapted to allow the primary filtered circulating water to overflow from the primary filter tank (3) into the secondary filter tank (4).

8. An aquatic organism culture system according to claim 1, wherein the filter material in the secondary filter tank (4) comprises at least one of filter cotton and activated carbon.

9. An aquatic organism culture system according to claim 1, wherein a third partition wall (83) is provided between the secondary filter tank (4) and the clean water tank (5), the third partition wall (83) being adapted to allow the filtered circulating water to overflow from the secondary filter tank (4) into the clean water tank (5).

10. An aquatic organism farming system according to claim 5, further comprising: a fourth partition wall (84) provided in the primary filtration tank (3);

the fourth partition wall (84) is higher than the first partition wall (81), and a gap is formed between the fourth partition wall (84) and the bottom of the primary filter tank (3).

11. An aquatic organism farming system according to claim 7, further comprising: a fifth partition wall (85) disposed in the secondary filtration tank (4);

the fifth partition wall (85) is higher than the second partition wall (82), and a gap is formed between the fifth partition wall (85) and the bottom of the secondary filter tank (4).

12. An aquatic organism farming system according to claim 9, further comprising: a sixth partition wall (86) disposed in the clean water tank (5);

the sixth partition wall (86) is higher than the third partition wall (83), and a gap is formed between the sixth partition wall (86) and the bottom of the clean water tank (5).

13. An aquatic creature culture system according to claim 1, wherein each drain (M) communicates with the bottom of the sewage pond (6) through a sewage line (9);

and a plurality of detachable overflow pipes (10) are arranged in the sewage disposal pool (6), and each overflow pipe (10) extends upwards and is communicated with the corresponding sewage disposal pipeline (9).

14. An aquatic creature culture system according to claim 1, wherein the bottom of the sewage pond (6) is provided with a total sewage drain (6a), and a fourth valve is arranged at the total sewage drain (6 a).