High-density pool for sewage treatment

By introducing a stirring rod and scraper structure into the high-density tank, the problems of slow stirring after chemical addition and incomplete sludge removal are solved, achieving rapid purification and efficient sludge removal, and improving wastewater treatment efficiency.

CN224118837UActive Publication Date: 2026-04-14SHANXI GREEN SPRING ENVIRONMENTAL PROTECTION ENG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-03
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing high-density tanks are not easy to stir quickly after adding chemicals during sewage treatment, resulting in slow purification speed and incomplete removal of bottom sludge, which affects work efficiency.

Method used

A high-density tank structure with stirring rods and scrapers was designed. The stirring rods and scrapers are driven by a motor to achieve rapid stirring and sludge removal. Combined with a dosing system and purification cotton plates, multiple purification processes are carried out.

Benefits of technology

It enables rapid stirring after chemical addition, increases purification speed, thoroughly removes bottom sludge, and improves the purification effect and work efficiency of sewage treatment.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a high-density pool for sewage treatment, which comprises a stable support frame, a first sewage treatment box arranged at the upper end of the stable support frame, a second sewage treatment box arranged at the rear end of the first sewage treatment box in a communicated manner, a first mounting plate, a second mounting plate and a second mounting plate, and a first mounting plate is fixed to the upper side of the first purification cavity, a first mounting motor is arranged in the middle of the first mounting plate, a first stirring rod is coaxially connected to the lower end of the first mounting motor, and a second purification cavity is formed in the right side of the first purification cavity. According to the high-density pool for sewage treatment, the problems that although an existing high-density pool can improve the operation efficiency during sewage treatment, rapid stirring and purification speed acceleration are not convenient to carry out after chemicals are added, a better purification effect is not convenient to achieve, sludge at the bottom is not convenient to better and more comprehensively remove, and the working efficiency is not improved are solved.
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Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically a high-density tank for wastewater treatment. Background Technology

[0002] High-density sedimentation tanks for wastewater treatment are a new type of clarifier integrating multiple functions, primarily used for wastewater treatment. They combine inclined tube sedimentation and sludge recirculation technologies with various processes such as chemical dosing, mechanical mixing, and flocculation to achieve highly efficient and coordinated wastewater treatment results. High-density sedimentation tanks have advantages such as small footprint, compact equipment, and high degree of automation. They are widely used in chemical hardening, silica removal, and alkalinity reduction treatments, and are an ideal choice for pretreatment processes such as ultrafiltration and reverse osmosis.

[0003] CN218403814U discloses a high-density sedimentation tank system for wastewater treatment, comprising a reaction tank, a flocculation tank, a sedimentation tank, a compressed air system, an inlet system, and a chemical dosing system. The reaction tank, flocculation tank, and sedimentation tank form a high-density sedimentation tank system. The reaction tank includes a first reaction tank and a second reaction tank. The inlet system is connected to the first reaction tank via a water supply pipeline. The chemical dosing system is connected to a first, second, and third chemical supply pipeline. The chemical dosing system is connected to the first reaction tank via the first chemical supply pipeline, the second reaction tank via the second chemical supply pipeline, and the flocculation tank via the third chemical supply pipeline. Aeration pipes are installed at the bottom of both the second reaction tank and the flocculation tank. The compressed air system is connected to the aeration pipes via a gas delivery pipeline. A sludge level gauge is installed in the sedimentation tank. This invention can automatically adjust the chemical dosing and inlet water flow rates in real time, automatically break up deposited sludge, and automatically control and regulate sewage discharge, ensuring water treatment effectiveness and improving operational efficiency.

[0004] The existing technical solutions have the following drawbacks:

[0005] 1. While existing high-density tanks can improve operational efficiency during wastewater treatment, they are not conducive to rapid stirring after adding chemicals to accelerate the purification process and achieve better purification results.

[0006] 2. At the same time, the sludge at the bottom is not easy to remove better and more thoroughly, thus hindering work efficiency. Therefore, this utility model provides a high-density tank for sewage treatment to solve the above-mentioned problems. Utility Model Content

[0007] The purpose of this utility model is to provide a high-density tank for sewage treatment, so as to solve the problems mentioned in the background art that although the existing high-density tank can improve the operating efficiency during sewage treatment, it is not convenient to quickly stir after adding chemicals to accelerate the purification speed and achieve better purification effect. At the same time, it is not convenient to remove the sludge at the bottom more effectively and comprehensively, thus failing to improve work efficiency.

[0008] To achieve the above objectives, this utility model provides the following technical solution: a high-density wastewater treatment tank, comprising: a stable support frame, a first wastewater treatment tank disposed at the upper end of the stable support frame, and a second wastewater treatment tank connected to the rear end of the first wastewater treatment tank, further comprising:

[0009] A first mounting plate is provided on the left end of the first sewage treatment tank, and a first purification cavity is provided on the upper side of the first purification cavity. A first mounting motor is provided in the middle of the first mounting plate, and a first stirring rod is coaxially connected to the lower end of the first mounting motor. A second purification cavity is provided on the right side of the first purification cavity, and a second mounting plate is provided on the upper side of the second purification cavity. A second mounting motor is installed in the middle of the second mounting plate, and a second stirring rod is coaxially connected to the lower end of the second mounting motor.

[0010] An inlet pipe is installed on the left side of the first sewage treatment tank, and a purification plate is provided in the middle of the first sewage treatment tank. A third purification cavity is opened at the right end of the first sewage treatment tank, and an installation support plate is fixedly connected to the upper end of the first sewage treatment tank. A third motor is installed in the middle of the upper end of the installation support plate, and an installation scraper is coaxially connected to the lower end of the third motor. An outlet pipe is installed at the rear end of the second sewage treatment tank.

[0011] As a preferred embodiment of this utility model, the second purification cavity further includes an installation panel disposed at the rear end of the first sewage treatment tank, and a dosing tank is disposed at the upper end of the installation panel. A dosing pump is installed in the dosing tank through a tubular structure at its upper end. A connecting pipe is disposed at the upper end of the dosing pump. A circular connecting column is disposed on the outer side of the second stirring rod, and a limiting support plate is fixedly connected to the outer end of the circular connecting column. A conveying pipe is disposed on the lower side of the circular connecting column, and a partition plate is installed on the outer side of the conveying pipe.

[0012] As a preferred technical solution of this utility model, the longitudinal section of the first purification cavity is opened in an "L" shape, and the first purification cavity is connected to the second purification cavity through a delivery pipe.

[0013] As a preferred embodiment of this invention, the conveying pipe is located directly below the second stirring rod to achieve thorough stirring.

[0014] As a preferred embodiment of this invention, the second purification cavity is connected to the third purification cavity via a purification plate to achieve the purification function.

[0015] As a preferred technical solution of this utility model, the lower end of the mounting scraper is provided with columnar structures at equal intervals to scrape sludge, and the lower end of the mounting scraper is fitted to the lower surface of the first sewage treatment tank.

[0016] As a preferred embodiment of this utility model, the second sewage treatment tank is provided with bearing plates at equal intervals inside, and the bearing plates are fitted with purification cotton plates.

[0017] Compared with the prior art, the beneficial effects of this utility model are: the high-density tank for sewage treatment solves the problem that although the existing high-density tank can improve the operating efficiency during sewage treatment, it is not convenient to quickly stir after adding chemicals to accelerate the purification speed and achieve better purification effect. At the same time, the sludge at the bottom is not easy to remove better and more comprehensively, thus improving work efficiency.

[0018] 1. A third purification cavity is provided at the right end of the first sewage treatment tank, and an installation support plate is fixedly connected to the upper end of the first sewage treatment tank. A third motor is installed in the middle of the upper end of the installation support plate, and an installation scraper is coaxially connected to the lower end of the third motor. An outlet pipe is installed at the rear end of the second sewage treatment tank. First, the valve on the inlet pipe is opened, and water enters the interior of the first purification cavity through the inlet pipe. With the start of the installation dosing pump, the installation dosing pump drives the dosing tank to enter the interior of the first purification cavity through the connecting pipe to add chemicals to the sewage for purification. At the same time, the first installation motor is started, which drives the first stirring rod to rotate, thereby accelerating the purification effect inside the first purification cavity.

[0019] 2. The first purification cavity has an "L"-shaped longitudinal section and is connected to the second purification cavity through a conveying pipe. When passing through the first purification cavity, the sewage at the bottom of the first purification cavity enters the interior of the circular connecting column through the conveying pipe. The conveying pipe is located directly below the second stirring rod to play a role in thorough stirring. After passing through the circular connecting column, the second motor is started, which drives the second stirring rod to rotate. At the same time, the dosing pump is started, and the dosing agent enters the interior of the circular connecting column through the connecting pipe for uniform stirring, so as to achieve a better purification effect.

[0020] 3. The lower end of the scraper is equipped with equally spaced columnar structures to scrape away sludge, which enters the third purification chamber. When the third motor is activated, it drives the scraper to rotate within the third purification chamber, thus scraping away the sludge. The scraped sludge is discharged through the sludge outlet pipe. The lower end of the scraper is fitted against the lower surface of the first wastewater treatment tank. The second wastewater treatment tank has equally spaced support plates inside, with purification cotton plates interlocking within these plates. After the sludge is scraped away in the third purification chamber, the wastewater is further purified in the second wastewater treatment tank under the influence of the purification cotton plates, achieving a better purification effect. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic cross-sectional view of the overall structure of the connection between the circular connecting column and the connecting pipe of this utility model;

[0023] Figure 3 This is a schematic cross-sectional view of the connection between the partition plate and the connecting pipe of this utility model.

[0024] Figure 4 This is a schematic cross-sectional view of the connection between the purification plate and the first sewage treatment tank of this utility model.

[0025] Figure 5 This is a schematic diagram of the overall cross-sectional structure of the connection between the circular connecting column and the second stirring rod of this utility model;

[0026] Figure 6 This is a schematic cross-sectional view of the connection between the purification cotton board and the second sewage treatment tank of this utility model.

[0027] In the diagram: 1. Stable support frame; 2. First sewage treatment tank; 3. Second sewage treatment tank; 4. First mounting plate; 5. First mounting motor; 6. First stirring rod; 7. First purification cavity; 8. Second purification cavity; 9. Mounting panel; 10. Dosing tank; 11. Dosing pump; 12. Connecting pipe; 13. Second mounting plate; 14. Second mounting motor; 15. Circular connecting column; 16. Second stirring rod; 17. Conveying pipe; 18. Limiting support plate; 19. Inlet pipe; 20. Purification plate; 21. Third purification cavity; 22. Mounting support plate; 23. Third motor; 24. Mounting scraper; 25. Bearing plate; 26. Purification cotton plate; 27. Outlet pipe; 28. Partition plate; 29. ​​Sludge outlet pipe. Detailed Implementation

[0028] 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.

[0029] Please see Figure 1-6This utility model provides a technical solution: a high-density sewage treatment tank, including a stable support frame 1, a first sewage treatment tank 2 disposed on the upper end of the stable support frame 1, and a second sewage treatment tank 3 connected to the rear end of the first sewage treatment tank 2. It also includes: a first mounting plate 4; a first purification cavity 7 is opened at the left end of the first sewage treatment tank 2, and the first mounting plate 4 is fixed to the upper side of the first purification cavity 7; a first mounting motor 5 is disposed in the middle of the first mounting plate 4, and a first stirring rod 6 is coaxially connected to the lower end of the first mounting motor 5; a second purification cavity 8 is disposed on the right side of the first purification cavity 7, and a second mounting plate 13 is disposed on the upper side of the second purification cavity 8; a second mounting motor 14 is mounted in the middle of the second mounting plate 13, and a second stirring rod 16 is coaxially connected to the lower end of the second mounting motor 14; and an inlet pipe 19, which is installed in the first sewage treatment tank 2. On the left side, a purification plate 20 is provided in the middle of the first sewage treatment tank 2. A third purification cavity 21 is opened at the right end of the first sewage treatment tank 2. An installation support plate 22 is fixedly connected to the upper end of the first sewage treatment tank 2. A third motor 23 is installed in the middle of the upper end of the installation support plate 22. A scraper 24 is coaxially connected to the lower end of the third motor 23. An outlet pipe 27 is installed at the rear end of the second sewage treatment tank 3. First, the valve on the inlet pipe 19 is opened. At this time, water enters the interior of the first purification cavity 7 through the inlet pipe 19. With the start of the dosing pump 11, the dosing pump 11 drives the dosing tank 10 to enter the interior of the first purification cavity 7 through the connecting pipe 12 to add chemicals to the sewage for purification. At the same time, the first installation motor 5 is started, which drives the first stirring rod 6 to rotate, thereby accelerating the purification effect inside the first purification cavity 7.

[0030] Specific examples Figure 1 , Figure 2 and Figure 3In the first wastewater treatment tank 2, the second purification cavity 8 also includes a mounting panel 9 located at the rear end of the first wastewater treatment tank 2. A dosing tank 10 is located at the upper end of the mounting panel 9, and a dosing pump 11 is mounted on the dosing tank 10 via a tubular structure at its upper end. A connecting pipe 12 is located at the upper end of the dosing pump 11. A circular connecting column 15 is located on the outer side of the second stirring rod 16, and a limiting support plate 18 is fixedly connected to the outer end of the circular connecting column 15. A conveying pipe 17 is located on the lower side of the circular connecting column 15, and a partition plate 28 is installed on the outer side of the conveying pipe 17. The longitudinal section of the first purification cavity 7 is L-shaped. The cavity 7 is connected to the second purification cavity 8 via the conveying pipe 17. When passing through the first purification cavity 7, the sewage at the bottom of the first purification cavity 7 enters the interior of the circular connecting column 15 through the conveying pipe 17. The conveying pipe 17 is located directly below the second stirring rod 16 and plays a role in thorough stirring. After passing through the circular connecting column 15, the second installation motor 14 is started, which drives the second stirring rod 16 to rotate. At the same time, the dosing pump 11 is started, and the dosing agent enters the interior of the circular connecting column 15 through the connecting pipe 12 for uniform stirring, thereby achieving a better purification effect.

[0031] Specific examples Figure 4 , Figure 5 and Figure 6 In this process, the second purification cavity 8 is connected to the third purification cavity 21 via the purification plate 20, serving a purification function. After the wastewater in the circular connecting column 15 is stirred and purified, the wastewater passes through the purification plate 20 to filter out large dirt particles. The lower end of the scraper 24 is equipped with equally spaced columnar structures to scrape away sludge, which then enters the interior of the third purification cavity 21. When the third motor 23 is started, it drives the scraper 24 to rotate inside the third purification cavity 21, thereby cleaning the interior of the third purification cavity 21. The sludge is scraped off and discharged through the sludge outlet pipe 29. The lower end of the scraper 24 is fitted to the lower surface of the first sewage treatment tank 2. The second sewage treatment tank 3 has bearing plates 25 evenly spaced inside, and the bearing plates 25 are fitted with purification cotton plates 26. After the sludge is scraped off through the third purification cavity 21, the sewage is further purified in the second sewage treatment tank 3 under the setting of the purification cotton plates 26, achieving a better purification effect. This is the usage method of the high-density tank for sewage treatment.

[0032] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0033] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-density tank for wastewater treatment, comprising: The stable support frame (1), the first sewage treatment tank (2) disposed at the upper end of the stable support frame (1), and the second sewage treatment tank (3) connected to the rear end of the first sewage treatment tank (2) are characterized in that they further include: The first mounting plate (4) is provided on the left end of the first sewage treatment tank (2), and the first purification cavity (7) is provided on the upper side of the first purification cavity (7). The first mounting plate (4) is provided on the middle part of the first mounting plate (4), and the lower end of the first mounting motor (5) is coaxially connected to the first stirring rod (6). The right side of the first purification cavity (7) is provided with a second purification cavity (8), and the upper side of the second purification cavity (8) is provided with a second mounting plate (13). The middle part of the second mounting plate (13) is provided with a second mounting motor (14), and the lower end of the second mounting motor (14) is coaxially connected to the second stirring rod (16). An inlet pipe (19) is installed on the left side of the first sewage treatment tank (2), and a purification plate (20) is provided in the middle of the first sewage treatment tank (2). A third purification cavity (21) is opened at the right end of the first sewage treatment tank (2), and an installation support plate (22) is fixedly connected to the upper end of the first sewage treatment tank (2). A third motor (23) is installed in the middle of the upper end of the installation support plate (22), and an installation scraper (24) is coaxially connected to the lower end of the third motor (23). An outlet pipe (27) is installed at the rear end of the second sewage treatment tank (3).

2. The high-density wastewater treatment tank according to claim 1, characterized in that: The second purification cavity (8) also includes an installation panel (9) located at the rear end of the first sewage treatment tank (2), and a dosing tank (10) is provided at the upper end of the installation panel (9), and a dosing pump (11) is installed in the dosing tank (10) through a tubular structure at its upper end. A connecting pipe (12) is provided at the upper end of the dosing pump (11), and a circular connecting column (15) is provided on the outer side of the second stirring rod (16), and a limiting support plate (18) is fixedly connected to the outer end of the circular connecting column (15). A conveying pipe (17) is provided on the lower side of the circular connecting column (15), and a partition plate (28) is installed on the outer side of the conveying pipe (17).

3. The high-density tank for sewage treatment according to claim 1, characterized in that: The first purification cavity (7) has an "L" shaped longitudinal section and is connected to the second purification cavity (8) through a delivery pipe (17).

4. A high-density wastewater treatment tank according to claim 2, characterized in that: The delivery pipe (17) is located directly below the second stirring rod (16) and plays a role in thorough stirring.

5. A high-density wastewater treatment tank according to claim 1, characterized in that: The second purification cavity (8) is connected to the third purification cavity (21) through the purification plate (20) to perform the purification function.

6. A high-density wastewater treatment tank according to claim 1, characterized in that: The lower end of the mounting scraper (24) is provided with columnar structures at equal intervals to scrape sludge, and the lower end of the mounting scraper (24) is fitted to the lower surface of the first sewage treatment tank (2).

7. A high-density wastewater treatment tank according to claim 1, characterized in that: The second sewage treatment tank (3) is provided with bearing plates (25) at equal intervals inside, and the bearing plates (25) are connected with purification cotton plates (26).

Citation Information

Patent Citations

  • High-density pool equipment for sewage treatment

    CN218403814U