Wastewater AO treatment device

By introducing a mixing component into the AO treatment unit, the wastewater and oxygen are fully mixed by using a drive motor to drive the rotating rod and the stirring paddle of the mounting ring. This solves the problem of uneven mixing of oxygen and wastewater, improves the decomposition efficiency, and facilitates unit maintenance.

CN224185975UActive Publication Date: 2026-05-01上海昱清环保工程有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
上海昱清环保工程有限公司
Filing Date
2025-04-07
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

Existing AO treatment devices do not achieve ideal mixing uniformity between oxygen and wastewater during operation, which affects the wastewater decomposition effect.

Method used

The system employs a mixing assembly, including a drive motor that rotates a rod and a mounting ring. It achieves thorough mixing of wastewater and oxygen through an agitator, and the mixing assembly can be easily disassembled via a hydraulic cylinder for maintenance.

Benefits of technology

It improves the uniformity of wastewater and oxygen mixing, enhances the wastewater decomposition efficiency, and improves the ease of use of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224185975U_ABST
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Abstract

The utility model discloses a wastewater AO treatment device, which relates to the technical field of wastewater treatment and comprises a treatment tank, a top cover is arranged at the top of the treatment tank, a water inlet pipe is arranged on the side surface of the treatment tank, a blow-off pipe is arranged at the bottom of the treatment tank, and a mixing component is arranged in the middle of the top of the top cover and comprises a driving motor. A rotating rod is arranged at the bottom of the driving motor, a mounting ring and a positioning bolt are arranged outside the rotating rod, and a stirring paddle and a through groove are arranged on the side face of the mounting ring. According to the device disclosed by the utility model, wastewater and oxygen are fully mixed through the arranged mixing assembly, and the arranged driving motor drives the rotating rod and the mounting ring to rotate, so that the wastewater and the oxygen are fully mixed in the rotating process of the stirring paddle, and the wastewater decomposition efficiency is improved; and a hydraulic rod and an ejector plate are ejected through a hydraulic cylinder, so that the ejector plate drives the top cover and the mixing assembly to be separated from the treatment tank.
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Description

A wastewater AO treatment device Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a wastewater AO treatment device. Background Technology

[0002] With the development of industrial and agricultural production and the improvement of people's living standards, the emissions of nitrogen and phosphorus pollutants in my country have increased dramatically. In the field of wastewater filtration, the AO wastewater treatment process has developed rapidly and matured. The AO wastewater treatment process requires the use of an aeration tank. The working principle of the aeration tank is that oxygen is introduced into the wastewater in the aeration tank. The aerobic activated sludge in the wastewater comes into contact with the oxygen and mixes, decomposing the sludge and achieving a filtration effect.

[0003] Existing AO treatment devices require thorough mixing of oxygen and wastewater during operation. However, these devices are in a static state during use, resulting in uneven mixing of oxygen and wastewater, which affects the decomposition effect on the wastewater. Therefore, there is a need to provide a wastewater AO treatment device to solve the above problems. Summary of the Invention

[0004] The main objective of this invention is to provide a wastewater AO treatment device that can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A wastewater AO treatment device includes a treatment tank, a top cover is provided on the top of the treatment tank, an inlet pipe is provided on the side of the treatment tank, a drain pipe is provided at the bottom of the treatment tank, and a mixing component is provided in the middle of the top of the top cover.

[0007] The mixing component includes a drive motor, a rotating rod at the bottom of the drive motor, a mounting ring and a positioning bolt on the outside of the rotating rod, and a stirring paddle and a through groove on the side of the mounting ring.

[0008] An air pipe connector is provided on the top inner wall of the top cover, and a connecting air pipe is provided at the bottom of the air pipe connector, with a nozzle at the bottom of the connecting air pipe.

[0009] Preferably, a sealing limit ring is fixedly connected to the bottom inner wall of the top cover, and the outer wall of the sealing limit ring is in contact with the inner wall of the processing tank. A drive motor is installed in the middle of the top of the top cover by bolts, and a rotating rod is driven to the output end of the drive motor.

[0010] Preferably, the end of the rotating rod near the drive motor is connected to the top cover via a bearing, and the end of the rotating rod away from the drive motor is connected to the inside of the processing tank. A mounting ring is fitted on the outer wall of the rotating rod, and there are multiple mounting rings, which are evenly distributed on the outer wall of the rotating rod.

[0011] Preferably, the side of the mounting ring is connected to a positioning bolt by a thread, and the positioning bolt passes through the mounting ring and is connected to the rotating rod. A stirring paddle is fixedly connected to the outer wall of the mounting ring, and the stirring paddle is arranged adjacent to the positioning bolt. A through groove is opened in the middle of the stirring paddle, and the through groove passes through the stirring paddle.

[0012] Preferably, an air pipe connector is installed on one side of the top of the top cover, and there are two air pipe connectors, which are symmetrically distributed on both sides of the top of the top cover. The bottom end of the air pipe connector is connected to a connecting air pipe, and the connecting air pipe is located on the inner wall of the top of the top of the top cover. A nozzle is installed at the bottom of the connecting air pipe, and there are multiple nozzles, which are evenly distributed at the bottom of the connecting air pipe.

[0013] Preferably, an ejector plate is fixedly connected to the outer wall of the top cover, and there are three ejector plates, which are evenly distributed on the outer wall of the top cover. A hydraulic rod is installed at the bottom of the ejector plate by bolts, and a hydraulic cylinder is installed at the bottom of the hydraulic rod. A support plate is installed at the bottom of the hydraulic cylinder by bolts. There are two support plates, which are symmetrically distributed at the bottom and the middle of the hydraulic cylinder, respectively. The side of the support plate is connected to the outer wall of the treatment tank by bolts.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In this invention, a mixing component is used to achieve thorough mixing of wastewater and oxygen. A drive motor drives a rotating rod and a mounting ring to rotate, allowing the mixing paddle to fully mix the wastewater and oxygen during rotation, thus improving wastewater decomposition efficiency. Furthermore, a hydraulic cylinder is used to eject the hydraulic rod and the ejector plate, thereby separating the ejector plate from the top cover, the mixing component, and the treatment tank. This facilitates the inspection and disassembly of the mixing component and improves the ease of use of the device. Attached Figure Description

[0016] Figure 1 is a first-view perspective view of the overall device of this utility model;

[0017] Figure 2 is a second-view perspective perspective view of the overall device of this utility model;

[0018] Figure 3 is an enlarged structural schematic diagram of point A in Figure 1 of this utility model;

[0019] Figure 4 is a schematic diagram of the structure of the hybrid component of this utility model.

[0020] In the diagram: 1. Treatment tank; 2. Top cover; 3. Water inlet pipe; 4. Sewage outlet pipe; 5. Support plate; 6. Hydraulic cylinder; 7. Hydraulic rod; 8. Top plate; 9. Mixing component; 10. Drive motor; 11. Rotating rod; 12. Mounting ring; 13. Positioning bolt; 14. Agitator; 15. Through groove; 16. Air pipe connector; 17. Connecting air pipe; 18. Nozzle; 19. Sealing limit ring. Detailed Implementation

[0021] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0022] Please refer to Figures 1, 2, 3, and 4. A wastewater AO treatment device includes a treatment tank 1. The top of the treatment tank 1 is provided with a top cover 2, and the side of the treatment tank 1 is provided with a water inlet pipe 3. The bottom of the treatment tank 1 is provided with a sewage discharge pipe 4. A mixing component 9 is provided in the middle of the top of the top cover 2. An ejector plate 8 is fixedly connected to the outer wall of the top cover 2. There are three ejector plates 8, which are evenly distributed on the outer wall of the top cover 2. A hydraulic rod 7 is bolted to the bottom of the ejector plate 8, and a hydraulic cylinder 6 is installed at the bottom of the hydraulic rod 7. A support plate 5 is bolted to the bottom of the hydraulic cylinder 6. There are two support plates 5, which are symmetrically distributed at the bottom and the middle of the hydraulic cylinder 6, respectively. The side of the support plate 5 is connected to the outer wall of the treatment tank 1 by bolts.

[0023] The mixing component 9 includes a drive motor 10. A rotating rod 11 is located at the bottom of the drive motor 10, and a mounting ring 12 and positioning bolts 13 are located on the outside of the rotating rod 11. A stirring paddle 14 and a through groove 15 are located on the side of the mounting ring 12. A sealing limit ring 19 is fixedly connected to the inner wall of the bottom of the top cover 2, and the outer wall of the sealing limit ring 19 contacts the inner wall of the processing tank 1. The drive motor 10 is bolted to the center of the top of the top cover 2, and the output end of the drive motor 10 is connected to the rotating rod 11. The end of the rotating rod 11 near the drive motor 10 is connected to the top cover 2 via a bearing, and the end of the rotating rod 11 away from the drive motor 10 is connected to the interior of the processing tank 1. Multiple mounting rings 12 are fitted onto the outer wall of the rotating rod 11, evenly distributed on the outer wall of the rotating rod 11. The side of the device is connected by a positioning bolt 13 through a thread, and the positioning bolt 13 passes through the mounting ring 12 and is connected to the rotating rod 11. The outer wall of the mounting ring 12 is fixedly connected to a stirring paddle 14, and the stirring paddle 14 is arranged adjacent to the positioning bolt 13. A through groove 15 is opened in the middle of the stirring paddle 14, and the through groove 15 passes through the stirring paddle 14. The mixing component 9 is set to achieve full mixing of wastewater and oxygen. The driving motor 10 drives the rotating rod 11 and the mounting ring 12 to rotate, so that the stirring paddle 14 can achieve full mixing of wastewater and oxygen during rotation, thereby improving the wastewater decomposition efficiency. The hydraulic cylinder 6 is set to push out the hydraulic rod 7 and the ejector plate 8, thereby separating the top cover 2, the mixing component 9 and the treatment tank 1 from the ejector plate 8, which facilitates the maintenance and disassembly of the mixing component 9 and improves the ease of use of the device.

[0024] An air pipe connector 16 is provided on the inner wall of the top of the top cover 2, and a connecting air pipe 17 is provided at the bottom of the air pipe connector 16. A nozzle 18 is provided at the bottom of the connecting air pipe 17. An air pipe connector 16 is installed on one side of the top of the top cover 2, and there are two air pipe connectors 16, which are symmetrically distributed on both sides of the top of the top of the top cover 2. The bottom end of the air pipe connector 16 is connected to the connecting air pipe 17, and the connecting air pipe 17 is located on the inner wall of the top of the top of the top cover 2. A nozzle 18 is installed at the bottom of the connecting air pipe 17, and there are multiple nozzles 18, which are evenly distributed at the bottom of the connecting air pipe 17.

[0025] It should be noted that this utility model is a wastewater AO treatment device. In use, wastewater is injected into the treatment tank 1 through the inlet pipe 3 on the side of the treatment tank 1. Oxygen is introduced into the treatment tank 1 through a pipe connected to the air pipe connector 16 on the top of the top cover 2. The oxygen is transmitted through the connecting air pipe 17, and a nozzle 18 is installed at the bottom of the connecting air pipe 17 to discharge the oxygen. A drive motor 10 drives the rotating rod 11 to rotate, causing the rotating rod 11 to drive the mounting ring 12 and the stirring paddle. 14. Wastewater and oxygen are thoroughly mixed to improve the uniformity of mixing and decomposition efficiency. The mounting ring 12 is connected to the rotating rod 11 by the positioning bolt 13, which facilitates the disassembly of the stirring paddle 14. The outer wall of the top cover 2 is equipped with an ejector plate 8. When disassembly is required, the hydraulic cylinder 6 ejects the hydraulic rod 7. The hydraulic rod 7 drives the ejector plate 8 and the top cover 2 to rise. The sealing limit ring 19 at the bottom of the top cover 2 separates from the treatment tank 1, which facilitates the ejection and disassembly of the mixing component 9 and improves the ease of use of the device.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A wastewater AO treatment device, comprising a treatment tank (1), characterized in that: The top of the treatment tank (1) is provided with a top cover (2), and the side of the treatment tank (1) is provided with a water inlet pipe (3). The bottom of the treatment tank (1) is provided with a sewage pipe (4). The top of the top cover (2) is provided with a mixing component (9). The mixing component (9) includes a drive motor (10). The bottom of the drive motor (10) is provided with a rotating rod (11). The outside of the rotating rod (11) is provided with an installation ring (12) and a positioning bolt (13). The side of the installation ring (12) is provided with a stirring paddle (14) and a through groove (15). The top inner wall of the top cover (2) is provided with an air pipe connector (16). The bottom of the air pipe connector (16) is provided with a connecting air pipe (17). The bottom of the connecting air pipe (17) is provided with a nozzle (18).

2. The wastewater AO treatment device according to claim 1, characterized in that: A sealing limit ring (19) is fixedly connected to the bottom inner wall of the top cover (2), and the outer wall of the sealing limit ring (19) is in contact with the inner wall of the processing tank (1). A drive motor (10) is installed in the middle of the top of the top cover (2) by bolts, and a rotating rod (11) is connected to the output end of the drive motor (10).

3. The wastewater AO treatment device according to claim 2, characterized in that: The end of the rotating rod (11) near the drive motor (10) is connected to the top cover (2) through a bearing, and the end of the rotating rod (11) away from the drive motor (10) is connected to the interior of the processing tank (1). A mounting ring (12) is fitted on the outer wall of the rotating rod (11), and there are multiple mounting rings (12) evenly distributed on the outer wall of the rotating rod (11).

4. The wastewater AO treatment device according to claim 3, characterized in that: The mounting ring (12) has a positioning bolt (13) threadedly connected to its side, and the positioning bolt (13) passes through the mounting ring (12) and is connected to the rotating rod (11). A stirring paddle (14) is fixedly connected to the outer wall of the mounting ring (12), and the stirring paddle (14) is arranged adjacent to the positioning bolt (13). A through groove (15) is opened in the middle of the stirring paddle (14), and the through groove (15) passes through the stirring paddle (14).

5. The wastewater AO treatment device according to claim 1, characterized in that: An air pipe connector (16) is installed on one side of the top of the top cover (2), and there are two air pipe connectors (16), which are symmetrically distributed on both sides of the top of the top cover (2). A connecting air pipe (17) is connected to the bottom of the air pipe connector (16), and the connecting air pipe (17) is located on the top inner wall of the top of the top cover (2). A nozzle (18) is installed at the bottom of the connecting air pipe (17), and there are multiple nozzles (18), which are evenly distributed at the bottom of the connecting air pipe (17).

6. The wastewater AO treatment device according to claim 1, characterized in that: An ejector plate (8) is fixedly connected to the outer wall of the top cover (2), and there are three ejector plates (8), which are evenly distributed on the outer wall of the top cover (2). A hydraulic rod (7) is installed at the bottom of the ejector plate (8) by bolts, and a hydraulic cylinder (6) is installed at the bottom of the hydraulic rod (7). A support plate (5) is installed at the bottom of the hydraulic cylinder (6) by bolts. There are two support plates (5), which are symmetrically distributed at the bottom of the hydraulic cylinder (6) and the middle of the hydraulic cylinder (6). The side of the support plate (5) is connected to the outer wall of the processing tank (1) by bolts.