Breeding tail water treatment mechanism based on freshwater fishery breeding
By designing guide blocks and a pollution control mechanism, combined with a servo motor-driven pollution control wheel and partition plate, the problem of sludge floating was solved, enabling effective collection and discharge of sludge and improving the treatment effect of freshwater aquaculture wastewater.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-04-03
AI Technical Summary
In existing freshwater aquaculture wastewater treatment facilities, sludge tends to float to the surface, causing it to enter the aeration and filtration boxes, thus affecting the treatment effect.
The system employs guide blocks and a sludge control mechanism, combined with servo motor-driven sludge control wheels and partition plates. Sludge is collected through collection holes and partition plates, and sludge discharge is controlled by a vibrating motor and contact switches. The system also incorporates an aeration pump in an aeration box and a green plant planting rack to enhance the treatment effect.
It effectively prevents sludge from floating, reduces the amount of sludge entering the aeration and filtration boxes, and improves wastewater treatment efficiency and aesthetics.
Smart Images

Figure CN224077170U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of aquaculture technology, specifically to a wastewater treatment device for freshwater aquaculture. Background Technology
[0002] Aquaculture, also known as fish farming, refers to the cultivation of fish or other aquatic organisms in artificially created environments for food production. Based on water quality, aquaculture can be divided into three main categories: freshwater aquaculture, brackish water aquaculture, and marine aquaculture.
[0003] A search revealed CN216687843U, which discloses a wastewater treatment mechanism for freshwater aquaculture. This utility model includes a main body comprising a sedimentation tank, a sludge tank, an aeration tank, and a filtration tank. An inclined sedimentation tube effectively prevents filtered sludge from rising to the water surface, and the filtered wastewater flows to the aeration tank through the sedimentation outlet. Sludge in the sludge tank is discharged through a sludge discharge pipe, avoiding the reliance on adding wastewater treatment agents during wastewater treatment. This reduces costs associated with wastewater treatment and enhances the aesthetics of the wastewater treatment mechanism.
[0004] However, existing technology, by setting up inclined sedimentation tubes, cannot effectively prevent sludge from floating. Some sludge will still flow to the top of the sedimentation tank due to the flow of water, so it needs to be improved. Utility Model Content
[0005] The purpose of this invention is to provide a wastewater treatment device for freshwater aquaculture to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a wastewater treatment mechanism for freshwater aquaculture, comprising a sedimentation tank, an aeration tank, and a filter tank. The upper sides of the sedimentation tank and the aeration tank are interconnected via a first pipe, and the lower sides of the aeration tank and the filter tank are interconnected via a second pipe. A water outlet pipe is fixedly connected to the lower side of the filter tank. A guide block is fixedly connected to the inner wall of the sedimentation tank, and a sludge discharge trough is formed on the surface of the guide block. A sludge control mechanism is provided in the middle of the inner wall of the sedimentation tank. The sludge control mechanism includes a servo motor, a sludge control wheel, and a partition plate. The sludge control wheel is rotatably connected to the inner wall of the sedimentation tank, and the sludge control wheel and the guide block are slidably connected. The surface of the sludge control wheel has multiple equidistantly distributed collection holes, and the collection holes correspond to the sludge discharge trough. The partition plate is fixedly connected to the middle of the inner wall of the collection holes. The servo motor is fixedly connected to the rear surface of the sedimentation tank, and the output end of the servo motor is drively connected to the sludge control wheel.
[0007] Preferably, the upper surface of the guide block is an inclined surface that is high on both sides and low in the middle, and the drain trough is located at the lowest point of the inclined surface.
[0008] Preferably, the partition plate has a cavity inside, the upper inner wall of the cavity is fixedly connected to a first vibration motor and a first contact switch, the lower inner wall of the cavity is fixedly connected to a second vibration motor and a second contact switch, and a trigger ball is movably placed inside the cavity.
[0009] Preferably, the first vibration motor and the first contact switch are electrically connected, and the second vibration motor and the second contact switch are signal connected.
[0010] Preferably, the sedimentation tank further includes a water inlet pipe and a sewage outlet pipe. The water inlet pipe is fixedly connected to the upper left side of the sedimentation tank, and the sewage outlet pipe is fixedly connected to the lower surface of the sedimentation tank. A solenoid valve is installed inside the sewage outlet pipe.
[0011] Preferably, the aeration box has multiple aeration pumps installed at its inner bottom, a green plant rack is fixedly connected to the upper end of the inner wall of the aeration box, a slag discharge window is opened on the front of the aeration box, a slag discharge hopper located below the slag discharge window is fixedly connected to the surface of the aeration box, multiple scraper blades are slidably connected to the lower surface of the green plant rack, an electric telescopic rod is fixedly connected to the side of the aeration box, a connecting frame is fixedly connected to the telescopic end of the electric telescopic rod, and multiple scraper blades are fixedly connected to the connecting frame.
[0012] Preferably, the inner wall of the aeration box is rotatably connected to an agitator, and the outer surfaces of the sedimentation box and the aeration box are respectively rotatably connected to a first pulley and a second pulley. The first pulley is driven by a control wheel, and the second pulley is driven by an agitator. The outer surfaces of the first pulley and the second pulley are together fitted with a drive belt.
[0013] Beneficial effects
[0014] This utility model provides a wastewater treatment device for freshwater aquaculture, which has the following beneficial effects:
[0015] 1. This aquaculture wastewater treatment device for freshwater aquaculture uses guide blocks to easily collect settled sludge in the discharge trough. A sludge control mechanism, utilizing collection holes and partition plates, collects the sludge. When a servo motor drives the sludge control wheel to rotate 180 degrees, the sludge collected in the collection holes is flipped to the lower end of the guide blocks. Combined with the partition plates, the sludge is blocked below the sludge control wheel. This design effectively prevents sludge from floating, significantly reducing the amount of sludge entering the aeration and filtration boxes, thus improving practicality.
[0016] 2. This aquaculture wastewater treatment mechanism for freshwater aquaculture uses a first vibration motor, a first contact switch, a second vibration motor, a second contact switch, and a trigger ball. Under the influence of gravity, the trigger ball will contact the lower first or second contact switch, thereby activating the first or second vibration motor. This facilitates the downward discharge of sludge from the collection hole and prevents sludge from clogging the collection hole.
[0017] 3. This aquaculture wastewater treatment device for freshwater aquaculture uses an electric telescopic rod, a slag discharge window, a slag discharge hopper, and slag scrapers. The electric telescopic rod extends and retracts, which drives the connecting frame and multiple slag scrapers to reciprocate. This allows the floating slag on the underside of the green plant rack to be discharged from the slag discharge window into the slag discharge hopper, thereby improving the wastewater treatment effect. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of a freshwater aquaculture wastewater treatment mechanism proposed in this utility model.
[0019] Figure 2 This is a schematic cross-sectional view of the overall structure of a freshwater aquaculture wastewater treatment mechanism proposed in this utility model.
[0020] Figure 3 A three-dimensional structural diagram of a pollution control mechanism based on a freshwater aquaculture wastewater treatment device proposed in this utility model;
[0021] Figure 4 This utility model proposes a wastewater treatment mechanism for freshwater aquaculture. Figure 2 Schematic diagram of the enlarged structure of A in the middle;
[0022] Figure 5 This is a schematic diagram of a three-dimensional structure of a green plant planting rack based on a freshwater aquaculture tailwater treatment mechanism proposed in this utility model.
[0023] In the diagram: 1. Sedimentation tank; 2. Aeration tank; 3. Filter box; 4. First pipe; 5. Second pipe; 6. Outlet pipe; 7. Guide block; 8. Sewage discharge trough; 9. Sewage control mechanism; 10. Servo motor; 11. Sewage control wheel; 12. Divider plate; 13. Collection hole; 14. First vibration motor; 15. First contact switch; 16. Second vibration motor; 17. Second contact switch; 18. Trigger ball; 19. Inlet pipe; 20. Sewage discharge pipe; 21. Aeration pump; 22. Green plant planting rack; 23. Slag hopper; 24. Slag scraper; 25. Electric telescopic rod; 26. Connecting frame; 27. Agitator; 28. Drive belt. 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 1-5 This utility model provides a technical solution: a wastewater treatment mechanism for freshwater aquaculture, comprising a sedimentation tank 1, an aeration tank 2, and a filter tank 3. The upper sides of the sedimentation tank 1 and the aeration tank 2 are interconnected via a first pipe 4, and the lower sides of the aeration tank 2 and the filter tank 3 are interconnected via a second pipe 5. A water outlet pipe 6 is fixedly connected to the lower side of the filter tank 3. A guide block 7 is fixedly connected to the inner wall of the sedimentation tank 1, and a sludge discharge trough 8 is formed on the surface of the guide block 7. A sludge control mechanism 9 is provided in the middle of the inner wall of the sedimentation tank 1. The sludge control mechanism 9 includes a servo motor 10, a sludge control wheel 11, and a partition plate 12. The sludge control wheel 11 is rotatably connected to the inner wall of the sedimentation tank 1, and the sludge control wheel 11 is slidably connected to the guide block 7. The surface of the sludge control wheel 11 has multiple equidistantly distributed collection holes 1. 3. The collection hole 13 corresponds to the sludge discharge trough 8. The partition plate 12 is fixedly connected to the middle of the inner wall of the collection hole 13. The servo motor 10 is fixedly connected to the rear surface of the sedimentation tank 1, and the output end of the servo motor 10 is connected to the control wheel 11. By setting the guide block 7, the sedimented sludge can be easily collected in the sludge discharge trough 8. By setting the control mechanism 9, the sludge can be collected using the collection hole 13 and the partition plate 12. When the servo motor 10 drives the control wheel 11 to rotate 180 degrees, the sludge collected in the collection hole 13 can be flipped to the lower end of the guide block 7. With the help of the partition plate 12, the sludge can be blocked below the control wheel 11. This design effectively prevents the sludge from floating and greatly reduces the amount of sludge entering the aeration box 2 and the filter box 3, thus improving practicality.
[0026] Wastewater can be filtered by setting up filter box 3, and the filtered tailwater can be discharged by setting up outlet pipe 6.
[0027] The upper surface of the guide block 7 is an inclined surface that is high on both sides and low in the middle, and the sludge discharge trough 8 is located at the lowest point of the inclined surface. This design can help the sludge flow to the sludge discharge trough 8.
[0028] The partition plate 12 has a cavity inside. The upper inner wall of the cavity is fixedly connected to the first vibration motor 14 and the first contact switch 15, and the lower inner wall of the cavity is fixedly connected to the second vibration motor 16 and the second contact switch 17. A trigger ball 18 is movably placed inside the cavity.
[0029] The first vibration motor 14 and the first contact switch 15 are electrically connected, and the second vibration motor 16 and the second contact switch 17 are signal connected. By setting the first vibration motor 14, the first contact switch 15, the second vibration motor 16, the second contact switch 17 and the trigger ball 18, under the influence of gravity, the trigger ball 18 will contact the lower first contact switch 15 or the second contact switch 17, thereby starting the first vibration motor or the second vibration motor 16, which facilitates the downward discharge of sludge in the collection hole 13 and avoids sludge blockage in the collection hole 13.
[0030] The sedimentation tank 1 also includes an inlet pipe 19 and a drain pipe 20. The inlet pipe 19 is fixedly connected to the upper left side of the sedimentation tank 1, and the drain pipe 20 is fixedly connected to the lower surface of the sedimentation tank 1. A solenoid valve is installed in the drain pipe 20. By setting the inlet pipe 19, the tailwater can be easily injected into the sedimentation tank 1. By setting the drain pipe 20 and the solenoid valve, the sludge at the bottom of the sedimentation tank 1 can be easily discharged.
[0031] Multiple aeration pumps 21 are installed at the bottom of the aeration box 2. A green plant rack 22 is fixedly connected to the upper part of the inner wall of the aeration box 2. A slag discharge window is opened on the front of the aeration box 2. A slag discharge hopper 23 located below the slag discharge window is fixedly connected to the surface of the aeration box 2. Multiple scraper blades 24 are slidably connected to the lower surface of the green plant rack 22. An electric telescopic rod 25 is fixedly connected to the side of the aeration box 2. A connecting frame 26 is fixedly connected to the telescopic end of the electric telescopic rod 25. All the scraper blades 24 are fixedly connected to the connecting frame 26. By operating the aeration pumps 21, the sewage in the aeration box 2 can be aerated, thereby removing the odor contained in the sewage. At the same time, aeration provides a large amount of oxygen for the biological contact oxidation reaction, thereby promoting the biochemical degradation reaction of organic matter and improving the efficiency of sewage treatment.
[0032] By setting up an electric telescopic rod 25, a slag discharge window, a slag discharge hopper 23, and a slag scraper 24, the electric telescopic rod 25 can be extended and retracted, which can drive the connecting frame 26 and multiple slag scrapers 24 to reciprocate, thereby discharging the floating slag on the lower surface of the green plant planting rack 22 from the slag discharge window to the slag discharge hopper 23, thus improving the sewage treatment effect.
[0033] Green plants can be grown by setting up green plant planting racks 22, and the roots and stems of the green plants can absorb organic matter in the sewage.
[0034] An agitator 27 is rotatably connected to the inner wall of the aeration tank 2. A first pulley and a second pulley are rotatably connected to the outer surfaces of the sedimentation tank 1 and the aeration tank 2, respectively. The first pulley is driven by the control wheel 11, and the second pulley is driven by the agitator 27. A transmission belt 28 is fitted on the outer surfaces of the first pulley and the second pulley. By setting up the agitator 27, the first pulley, the second pulley, and the transmission belt 28, the servo motor 10 drives the control wheel 11 to rotate, which in turn drives the first pulley to rotate. The transmission belt 28 drives the second pulley to rotate, which in turn drives the agitator 27 to rotate. The agitator 27 stirs the wastewater in the aeration tank 2, which not only improves the aeration effect but also fully mixes the organic matter and other suspended solids in the wastewater, making them evenly distributed in the water. This helps to increase the contact opportunity between microorganisms and organic matter, thereby accelerating the degradation process.
[0035] The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.
[0036] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A culture tail water treatment mechanism for freshwater fishery culture, comprising a sedimentation tank (1), an aeration tank (2) and a filter tank (3), characterized in that: The side upper end of the precipitation tank (1) and the aeration tank (2) are communicated with each other through the first pipeline (4), the side lower end of the aeration tank (2) and the filter tank (3) are communicated with each other through the second pipeline (5), the side lower end of the filter tank (3) is fixedly connected with the water outlet pipe (6), the inner wall of the precipitation tank (1) is fixedly connected with the guide block (7), the surface of the guide block (7) is provided with the sewage discharge groove (8), the inner wall of the precipitation tank (1) is provided with the sewage control mechanism (9) in the middle, the sewage control mechanism (9) comprises the servo motor (10), the sewage control wheel (11) and the partition plate (12), the sewage control wheel (11) is rotatably connected to the inner wall of the precipitation tank (1), the sewage control wheel (11) and the guide block (7) are in sliding connection, the surface of the sewage control wheel (11) is provided with a plurality of equidistantly distributed collection holes (13), the collection holes (13) correspond to the sewage discharge grooves (8), the partition plate (12) is fixedly connected to the inner wall of the collection hole (13) in the middle, and the output end of the servo motor (10) is in transmission connection with the sewage control wheel (11).
2. The aquaculture tail water treatment mechanism based on freshwater fishery culture according to claim 1, characterized in that: The upper surface of the guide block (7) is an inclined surface with high sides and low middle, and the sewage discharge grooves (8) are located at the lowest part of the inclined surface.
3. The aquaculture tail water treatment mechanism based on freshwater fishery culture according to claim 2, characterized in that: The inside of the partition plate (12) is provided with a cavity, the upper inner wall of the cavity is fixedly connected with the first vibration motor (14) and the first contact switch (15), the lower inner wall of the cavity is fixedly connected with the second vibration motor (16) and the second contact switch (17), and the trigger ball (18) is movably placed in the cavity.
4. The aquaculture tail water treatment mechanism based on freshwater fishery culture according to claim 3, characterized in that: The first vibration motor (14) and the first contact switch (15) are electrically connected, and the second vibration motor (16) and the second contact switch (17) are signal connected.
5. The tail water treatment mechanism for freshwater fishery farming according to claim 1, characterized in that: The precipitation tank (1) further comprises the water inlet pipe (19) and the sewage discharge pipe (20), the water inlet pipe (19) is fixedly connected to the left upper end of the precipitation tank (1), the sewage discharge pipe (20) is fixedly connected to the lower surface of the precipitation tank (1), and the sewage discharge pipe (20) is provided with an electromagnetic valve.
6. The tail water treatment mechanism for freshwater fishery farming according to claim 1, characterized in that: The inner bottom of the aeration tank (2) is provided with a plurality of aeration pumps (21), the inner wall upper end of the aeration tank (2) is fixedly connected with the green plant planting frame (22), the front of the aeration tank (2) is provided with a residue discharge window, the surface of the aeration tank (2) is fixedly connected with the residue discharge hopper (23) below the residue discharge window, the lower surface of the green plant planting frame (22) is slidably connected with a plurality of residue scraping plates (24), the side of the aeration tank (2) is fixedly connected with the electric telescopic rod (25), the telescopic end of the electric telescopic rod (25) is fixedly connected with the connecting frame (26), and the plurality of residue scraping plates (24) are fixedly connected with the connecting frame (26).
7. The aquaculture tail water treatment mechanism according to claim 6, wherein: The inner wall of the aeration tank (2) is rotatably connected with the stirring paddle (27), the outer surfaces of the precipitation tank (1) and the aeration tank (2) are rotatably connected with the first belt pulley and the second belt pulley, the first belt pulley is in transmission connection with the sewage control wheel (11), the second belt pulley is in transmission connection with the stirring paddle (27), and the outer surfaces of the first belt pulley and the second belt pulley are commonly sleeved with the transmission belt (28).