Breeding tail water purification device
By designing a multi-stage purification structure in the marine aquaculture wastewater treatment device, including a sedimentation chamber, an aeration mixing chamber, and a clean water storage chamber, and combining lifting pre-filtration and secondary filtration components, the problems of unsatisfactory purification effect and low impurity recovery efficiency of existing devices are solved, achieving efficient wastewater purification and impurity treatment.
Patent Information
- Application Number
- CN202520359709.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-04
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-04
AI Technical Summary
Existing marine aquaculture wastewater treatment devices are not effective and have low impurity recovery efficiency.
Design a device that includes a tailwater purification tank, which is divided into a sedimentation chamber, an aeration mixing chamber, and a purified water temporary storage chamber by a partition. It is equipped with a lifting pre-filtration component, a mixing component, and a secondary filtration component to achieve step-by-step purification and efficient impurity treatment.
It improves the efficiency of wastewater purification, enables multiple purification of wastewater, simplifies the handling of impurities, and enhances treatment efficiency and purification effect.
Smart Images

Figure CN223866497U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of marine aquaculture wastewater treatment technology, specifically, to an aquaculture wastewater purification device. Background Technology
[0002] Research on the treatment of marine aquaculture wastewater is currently in its early stages. Due to the increased difficulty of treating aquaculture wastewater caused by the salinity effect of seawater, there are very limited technologies specifically designed for treating marine aquaculture wastewater.
[0003] The utility model patent with publication number CN219194767U discloses an integrated wastewater treatment device for seawater aquaculture, including a main treatment tank, a medicine tank at the rear end of the main treatment tank, a first water pump at the top of the medicine tank, a first connecting water pipe fixedly installed at the top of the first water pump, a first partition fixedly installed at the top of the main treatment tank, and a second partition fixedly installed on the side of the top of the main treatment tank away from the first partition.
[0004] The device does not perform well in treating wastewater. Furthermore, after filtering impurities with a filter screen, the impurities are manually recycled, which is not only inefficient.
[0005] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content
[0006] In view of the shortcomings of the existing technology, the purpose of this utility model is to propose a purification device for aquaculture wastewater.
[0007] To achieve the above objectives, this utility model provides a wastewater purification device for aquaculture, comprising a wastewater purification tank. A first partition and a second partition are fixedly installed on the inner wall of the wastewater purification tank, dividing it into a sedimentation chamber, an aeration mixing chamber, and a purified water storage chamber. A lifting pre-filtration assembly located in the sedimentation chamber is installed on the wastewater purification tank. A mixing assembly is provided in the aeration mixing chamber. A secondary filtration assembly connects the aeration mixing chamber and the purified water storage chamber.
[0008] Preferably, the tailwater purification tank has an opening that cooperates with the lifting pre-filtration component, the bottom of the sedimentation tank is detachably equipped with an L-shaped sedimentation storage base, a connecting pipe connects the sedimentation tank and the aeration mixing tank, an electric control valve is installed in the connecting pipe, an aeration disc is installed at the bottom of the aeration mixing tank, a drain pipe is installed at the bottom of the purified water temporary storage tank, and a sealing plug is installed on the drain pipe.
[0009] Preferably, the lifting pre-filtration assembly includes a pre-filtration box that matches the opening. Limiting blocks are fixedly connected to both sides of the top of the pre-filtration box. An L-shaped support plate is fixedly connected to the top of each limiting block. An electric telescopic rod is installed at the bottom of the L-shaped support plate. The electric telescopic rod is fixed to the outer wall of the tailwater purification tank. A filter screen is provided inside the pre-filtration box, and an L-shaped hanging rod is installed on the filter screen.
[0010] Preferably, the mixing component includes a support plate fixed in the aeration mixing chamber, a motor is mounted on the support plate, the output end of the motor is connected to a stirring shaft extending into the aeration mixing chamber, and a spiral stirring blade is mounted on the stirring shaft through a fixing sleeve, the spiral stirring blade forming several arc-shaped inclined surfaces.
[0011] Preferably, the secondary filtration assembly includes a water pump fixed inside the aeration mixing chamber, the suction end of the water pump is connected to a suction filtration assembly, the output end of the water pump is connected to a connecting pipe II, and the other end of the connecting pipe II is detachably connected to a pipe that communicates with the purified water storage chamber.
[0012] Preferably, the inhalation filter assembly includes an outer cylinder, the top of which is provided with a spiral drainage groove, and the bottom of which is provided with symmetrical drain outlets. A bearing is fixedly installed at the center of the inner bottom of the outer cylinder, and the inner cylinder is installed on the inner ring of the bearing through a rotating shaft. The inner cylinder is provided with annular blades, and the side wall of the inner cylinder is provided with drain holes.
[0013] This utility model provides a device for purifying aquaculture wastewater, with the following beneficial effects:
[0014] By fixing partition one and partition two to the inner wall of the wastewater purification tank, the tank is divided into a sedimentation chamber, an aeration mixing chamber, and a purified water storage chamber, enabling it to treat aquaculture wastewater step by step. The lifting pre-filtration component filters out large impurities before the wastewater enters the sedimentation chamber, and its lifting mechanism facilitates the cleaning of collected debris. The mixing component adds chemicals to the settled water, and the secondary filtration component further filters out impurities, allowing for reuse. This invention has a simple structure, purifies aquaculture wastewater through a step-by-step process, and easily handles collected impurities, greatly improving treatment efficiency. It also allows for multiple purification cycles, enhancing the purification effect. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a front view of an aquaculture wastewater purification device according to an embodiment of the present utility model;
[0017] Figure 2 This is a cross-sectional view of the wastewater purification tank in a wastewater purification device for aquaculture according to an embodiment of the present utility model.
[0018] Figure 3 This is a schematic diagram of the structure of a lifting pre-filtration component in an aquaculture wastewater purification device according to an embodiment of the present utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the mixing component in an aquaculture wastewater purification device according to an embodiment of the present invention;
[0020] Figure 5 This is a schematic diagram of the structure of a secondary filtration component in an aquaculture wastewater purification device according to an embodiment of the present utility model;
[0021] Figure 6 This is a schematic diagram of the structure of the suction filter component in an aquaculture wastewater purification device according to an embodiment of the present invention.
[0022] In the picture:
[0023] 1. Wastewater purification tank; 2. Partition 1; 3. Partition 2; 4. Sedimentation tank; 5. Aeration mixing tank; 6. Purified water temporary storage tank; 7. Lifting pre-filtration assembly; 8. Mixing assembly; 9. Secondary filtration assembly; 10. Opening; 11. L-shaped sedimentation storage base; 12. Connecting pipe 1; 13. Drain pipe; 14. Sealing plug; 15. Pre-filtration box; 16. Limiting block; 17. L-shaped support plate; 18. Electric telescopic rod; 19. Filter screen; 20. L-shaped hanging rod; 21. Support plate; 22. Motor; 23. Agitator shaft; 24. Fixing sleeve; 25. Spiral agitator blades; 26. Arc-shaped inclined surface; 27. Water pump; 28. Suction filtration assembly; 29. Connecting pipe 2; 30. Connecting pipe; 31. Bearing; 32. Inner cylinder; 33. Annular blades; 34. Drain hole; 35. Spiral diversion groove; 36. Outer cylinder. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1-6 This utility model provides a wastewater purification device for aquaculture, including a wastewater purification tank 1. A first partition 2 and a second partition 3 are fixedly installed on the inner wall of the wastewater purification tank 1. The first partition 2 and the second partition 3 divide the wastewater purification tank 1 into a sedimentation chamber 4, an aeration mixing chamber 5, and a purified water storage chamber 6. By fixing the first partition 2 and the second partition 3 to the inner wall of the wastewater purification tank 1, it is divided into the sedimentation chamber 4, the aeration mixing chamber 5, and the purified water storage chamber 6, enabling it to gradually treat the aquaculture wastewater. A positioning device is installed on the wastewater purification tank 1. The settling chamber 4 contains a lifting pre-filtration component 7, the aeration mixing chamber 5 contains a mixing component 8, and the aeration mixing chamber 5 and the purified water storage chamber 6 are connected by a secondary filtration component 9. The lifting pre-filtration component 7 can filter large impurities in the effluent before it enters the settling chamber 4. At the same time, its lifting mechanism facilitates the cleaning of collected debris. The mixing component 8 can add chemicals to the settled water and mix it. Through the action of the secondary filtration component 9, the impurities in the water are filtered a second time, allowing them to be reused.
[0026] In one embodiment, please refer to the appendix to the specification. Figure 2 As shown, the effluent purification tank 1 has an opening 10 that cooperates with the lifting pre-filtration component 7. An L-shaped sedimentation storage base 11 is detachably installed at the bottom of the sedimentation tank 4. A connecting pipe 12 connects the sedimentation tank 4 and the aeration mixing tank 5, and an electrically controlled valve is installed inside the connecting pipe 12. An aeration disc is installed at the bottom of the aeration mixing tank 5, and a drain pipe 13 is installed at the bottom of the purified water temporary storage tank 6. A sealing plug 14 is installed on the drain pipe 13. The L-shaped sedimentation storage base 11 facilitates the removal of settled sludge and other impurities after wastewater discharge, while the aeration disc enhances the thorough mixing of the chemical solution and wastewater.
[0027] In one embodiment, please refer to the appendix to the specification. Figure 3As shown, the lifting pre-filtration assembly 7 includes a pre-filtration box 15 that matches the opening 10. Limiting blocks 16 are fixedly connected to both sides of the top of the pre-filtration box 15. L-shaped support plates 17 are fixedly connected to the top of each limiting block 16. An electric telescopic rod 18 is installed at the bottom of the L-shaped support plate 17 and is fixed to the outer wall of the effluent purification tank 1. A filter screen 19 is provided inside the pre-filtration box 15, and an L-shaped hanging rod 20 is installed on the filter screen 19. The effluent is filtered through the filter screen 19 in the pre-filtration box 15, separating large debris. The pre-filtration box 15 is lifted out by the electric telescopic rod 18 for easy cleaning. The L-shaped hanging rod 20 is used to limit the movement of the filter screen 19.
[0028] In one embodiment, please refer to the appendix to the specification. Figure 4 As shown, the mixing assembly 8 includes a support plate 21 fixed in the aeration mixing chamber 5. A motor 22 is mounted on the support plate 21, and the output end of the motor 22 is connected to a stirring shaft 23 extending into the aeration mixing chamber 5. A spiral stirring blade 25 is mounted on the stirring shaft 23 via a fixing sleeve 24, and several arc-shaped inclined surfaces 26 are formed on the spiral stirring blade 25. The motor 22 drives the spiral stirring blade 25 on the stirring shaft 23 to rotate, and the arc-shaped inclined surfaces 26 increase the rotation speed of the water flow, thereby improving the mixing effect of the chemicals.
[0029] In one embodiment, please refer to the appendix to the specification. Figure 5-6 As shown, the secondary filtration assembly 9 includes a water pump 27 fixed inside the aeration mixing chamber 5. The suction end of the water pump 27 is connected to a suction filtration assembly 28, and the output end of the water pump 27 is connected to a connecting pipe 29. The other end of the connecting pipe 29 is detachably connected to a pipe 30 that communicates with the purified water storage chamber 6. The suction filtration assembly 28 includes an outer cylinder 36. The top of the outer cylinder 36 is provided with a spiral drainage groove 35, and the bottom of the outer cylinder 36 is symmetrically provided with drain outlets. A bearing 31 is fixedly installed at the center of the inner bottom of the outer cylinder 36. An inner cylinder 32 is installed on the inner ring of the bearing 31 through a rotating shaft. An annular blade 33 is provided inside the inner cylinder 32, and a drain hole 34 is opened on the side wall of the inner cylinder 32. The water pump 27 draws in the water after chemical treatment and deodorization. The water is drawn in by the spiral drainage groove 35 on the outer cylinder 36 in a rotating manner. At this time, the rotating water flow will impact the annular blades 33 in the inner cylinder 32. With the cooperation of the bearing 31, the inner cylinder 32 will rotate and throw the water out through the drain hole 34. The fine impurities are left in the inner cylinder 32 to complete the sewage filtration. It can be cleaned periodically afterward.
[0030] In practical applications, by fixing partition 2 and partition 3 to the inner wall of the wastewater purification tank 1, the wastewater purification tank 1 is divided into a sedimentation chamber 4, an aeration mixing chamber 5, and a purified water storage chamber 6, enabling it to gradually treat aquaculture wastewater. The lifting pre-filtration component 7 filters out large impurities before the wastewater enters the sedimentation chamber 4, and its lifting mechanism facilitates the cleaning of collected debris. The mixing component 8 adds chemicals to the settled water, and the secondary filtration component 9 further filters out impurities in the water, allowing it to be reused. This utility model has a simple structure, uses a gradual treatment method to purify aquaculture wastewater, and can easily process collected impurities, greatly improving treatment efficiency. It can also purify wastewater multiple times, improving its purification effect.
[0031] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A device for purifying aquaculture wastewater, characterized in that, The system includes a tailwater purification tank (1), on which a partition 1 (2) and a partition 2 (3) are fixedly installed on the inner wall. The partition 1 (2) and the partition 2 (3) divide the tailwater purification tank (1) into a sedimentation chamber (4), an aeration mixing chamber (5) and a purified water storage chamber (6). A lifting pre-filtration component (7) located in the sedimentation chamber (4) is installed on the tailwater purification tank (1). A mixing component (8) is provided in the aeration mixing chamber (5). A secondary filtration component (9) is connected between the aeration mixing chamber (5) and the purified water storage chamber (6).
2. The aquaculture wastewater purification device according to claim 1, characterized in that, The tailwater purification tank (1) has an opening (10) that cooperates with the lifting pre-filtration component (7). The bottom of the sedimentation tank (4) is detachably equipped with an L-shaped sedimentation storage base (11). A connecting pipe (12) connects the sedimentation tank (4) and the aeration mixing tank (5). An electric control valve is installed in the connecting pipe (12). An aeration disc is installed at the bottom of the aeration mixing tank (5). A drain pipe (13) is installed at the bottom of the purified water temporary storage tank (6). A sealing plug (14) is installed on the drain pipe (13).
3. The aquaculture wastewater purification device according to claim 2, characterized in that, The lifting pre-filtration assembly (7) includes a pre-filtration box (15) that matches the opening (10). Limiting blocks (16) are fixedly connected to the top two sides of the pre-filtration box (15). An L-shaped support plate (17) is fixedly connected to the top of each limiting block (16). An electric telescopic rod (18) is installed at the bottom of the L-shaped support plate (17). The electric telescopic rod (18) is fixed to the outer wall of the tailwater purification tank (1). A filter screen (19) is provided inside the pre-filtration box (15). An L-shaped hanging rod (20) is installed on the filter screen (19).
4. The aquaculture wastewater purification device according to claim 3, characterized in that, The mixing component (8) includes a support plate (21) fixed in the aeration mixing chamber (5), a motor (22) is mounted on the support plate (21), the output end of the motor (22) is connected to a stirring shaft (23) extending into the aeration mixing chamber (5), a spiral stirring blade (25) is mounted on the stirring shaft (23) through a fixing sleeve (24), and a plurality of arc-shaped inclined surfaces (26) are formed on the spiral stirring blade (25).
5. The aquaculture wastewater purification device according to claim 4, characterized in that, The secondary filtration assembly (9) includes a water pump (27) fixed in the aeration mixing chamber (5). The suction end of the water pump (27) is connected to a suction filtration assembly (28). The output end of the water pump (27) is connected to a connecting pipe (29). The other end of the connecting pipe (29) is detachably connected to a pipe (30) that communicates with the purified water storage chamber (6).
6. The aquaculture wastewater purification device according to claim 5, characterized in that, The inhalation filter assembly (28) includes an outer cylinder (36), the top of which is provided with a spiral drainage groove (35), and the bottom of which is symmetrically provided with drain outlets. A bearing (31) is fixedly installed at the center of the inner bottom of the outer cylinder (36). An inner cylinder (32) is installed on the inner ring of the bearing (31) through a rotating shaft. An annular blade (33) is provided inside the inner cylinder (32), and a drain hole (34) is opened on the side wall of the inner cylinder (32).
Citation Information
Patent Citations
Tail water treatment integrated equipment for mariculture
CN219194767U