Pneumatic stirring mechanism for sewage treatment

Abstract

The utility model discloses a pneumatic stirring mechanism for sewage treatment, which relates to the technical field of sewage treatment and comprises a base, a stirring barrel is fixedly mounted on the left side of the upper end of the base, a cover plate is arranged at the upper end of the stirring barrel, and a plurality of exhaust holes are formed in the left side of the upper end of the cover plate. A supporting frame is fixedly connected to the middle of the upper end of the cover plate, an air pump is fixedly installed on the rear side of the upper end of the supporting frame, the output end of the air pump is fixedly communicated with an air outlet pipe, and compressed air generated by the air pump enters a plurality of branch aeration pipes and a plurality of annular main air pipes through the air outlet pipe; according to the sewage treatment device, a plurality of first aeration heads and a plurality of second aeration heads are arranged in the stirring barrel, bubbles are generated through the second aeration heads and the first aeration heads, and the generated bubbles are uniformly distributed in each area in the stirring barrel, so that sewage in each area in the stirring barrel can be well stirred, a treatment agent can be comprehensively and uniformly mixed with the sewage, and the sewage treatment effect can be effectively improved.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to a pneumatic stirring mechanism for wastewater treatment. Background Technology

[0002] In the process of wastewater treatment, various treatment agents, such as flocculants and disinfectants, are usually added. In order to make the wastewater and the treatment agents fully mix and react, most of them use air bubbles generated by pneumatic stirring mechanism to drive the liquid flow, so that the agents are quickly and evenly dispersed in the wastewater, increasing the contact area between the agents and pollutants, thereby accelerating the reaction speed and improving the treatment effect.

[0003] Most pneumatic mixing mechanisms use a single aeration head or a small number of aeration heads for air distribution, resulting in significant differences in mixing intensity between different areas of wastewater within a large treatment container. Wastewater near the aeration head can be well mixed, but the mixing effect is poor in areas far from the aeration head. This leads to the treatment agent not being able to mix fully and evenly with the wastewater, affecting the wastewater treatment effect. Based on this, this solution provides a pneumatic mixing mechanism for wastewater treatment to solve the above-mentioned problems. Utility Model Content

[0004] To solve the above-mentioned technical problems, a pneumatic mixing mechanism for wastewater treatment is provided. This technical solution addresses the problem mentioned in the background art that most pneumatic mixing mechanisms use a single aeration head or a small number of aeration heads for air distribution, resulting in significant differences in the mixing intensity of different areas of wastewater within a large treatment container. Wastewater near the aeration head can be well mixed, but the mixing effect is poor in areas far from the aeration head, thus preventing the treatment agent from being fully and uniformly mixed with the wastewater, affecting the wastewater treatment effect.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a pneumatic stirring mechanism for sewage treatment, comprising a base, a stirring tank fixedly installed on the upper left side of the base, a cover plate provided on the upper end of the stirring tank, a plurality of exhaust holes opened on the upper left side of the cover plate, a support frame fixedly connected to the upper middle part of the cover plate, an air pump fixedly installed on the upper rear side of the support frame, an air outlet pipe fixedly connected to the output end of the air pump, the lower end of the air outlet pipe extending into the interior of the stirring tank, and a plurality of pneumatic stirring components provided on the outer surface of the air outlet pipe;

[0006] The pneumatic stirring assembly includes an annular main air pipe, with several branch aeration pipes fixedly connected to the inner side of the outer surface of the annular main air pipe. The inner ends of the several branch aeration pipes are all connected to the interior of the air outlet pipe. Several first aeration heads are fixedly connected to the upper end of the outer surface of the annular main air pipe, and several second aeration heads are fixedly connected to the upper ends of the several branch aeration pipes.

[0007] Preferably, the lower end of the cover plate is fixedly connected to both the front and rear sides with fixing plates, the inner sidewall of the fixing plates is fixedly connected to the outer surface of the annular main air pipe, and the outer left side of the mixing tank is fixedly connected to a water outlet pipe, and a valve is installed on the outer surface of the water outlet pipe.

[0008] Preferably, the left end of the outer surface of the mixing tank is fixedly connected to the top of the water outlet pipe, a limiting groove is opened at the front end of the water inlet pipe, a limiting frame is provided inside the limiting groove, a filter plate is fixedly connected inside the limiting frame, and a handle is fixedly installed at the front end of the limiting frame.

[0009] Preferably, a fixing block is fixedly connected to the upper right side of the base, a sliding groove is provided at the left end of the fixing block, a threaded rod is rotatably installed inside the sliding groove, a servo motor is fixedly installed at the upper end of the fixing block, and the output end of the servo motor extends into the sliding groove and is fixedly connected to the upper end of the threaded rod.

[0010] Preferably, the outer surface of the threaded rod is threadedly connected to a lifting block, the left end of the lifting block is fixedly connected to a connecting plate, and the left end of the connecting plate is fixedly connected to the right end of the support frame.

[0011] Compared with the prior art, the present invention provides a pneumatic stirring mechanism for sewage treatment, which has the following advantages:

[0012] This invention utilizes compressed air generated by an air pump, which enters several branch aeration pipes and several annular main air pipes through an air outlet pipe. Bubbles are then generated through multiple second aeration heads and multiple first aeration heads. The generated bubbles are evenly distributed in various areas inside the mixing tank, ensuring that the sewage in each area of ​​the mixing tank is well mixed. This allows the treatment agent to be fully and evenly mixed with the sewage, effectively improving the sewage treatment effect. Attached Figure Description

[0013] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0014] Figure 2 This is a schematic diagram of the internal structure of the mixing tank in this utility model;

[0015] Figure 3 This is a schematic diagram of the pneumatic stirring assembly in this utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the water inlet pipe in this utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the fixing block in this utility model.

[0018] The numbers on the map are:

[0019] 1. Base; 2. Mixing tank; 3. Cover plate; 4. Vent hole; 5. Support frame; 6. Air pump; 7. Air outlet pipe; 8. Pneumatic mixing assembly; 801. Annular main air pipe; 802. Branch aeration pipe; 803. First aeration head; 804. Second aeration head; 9. Fixing plate; 10. Water outlet pipe; 11. Valve; 12. Water inlet pipe; 13. Limiting groove; 14. Limiting frame; 15. Filter plate; 16. Handle; 17. Fixing block; 18. Slide groove; 19. Threaded rod; 20. Servo motor; 21. Lifting block; 22. Connecting plate. Detailed Implementation

[0020] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art.

[0021] Reference Figures 1-5As shown, a pneumatic stirring mechanism for sewage treatment includes a base 1. A stirring tank 2 is fixedly installed on the upper left side of the base 1. A cover plate 3 is provided on the upper end of the stirring tank 2. Driven by a servo motor 20, the cover plate 3 can abut against the upper end of the stirring tank 2. At this time, the pneumatic stirring assembly 8 is located inside the stirring tank 2. Several vent holes 4 are provided on the upper left side of the cover plate 3. The vent holes 4 can balance the air pressure inside and outside the stirring tank 2, ensure the normal operation of the air pump 6, and prevent excessive pressure inside the tank from causing safety problems. The upper end of the cover plate 3 has several vent holes 4. A support frame 5 is fixedly connected to the main body. An air pump 6 is fixedly installed on the rear side of the upper end of the support frame 5. The output end of the air pump 6 is fixedly connected to an air outlet pipe 7. The lower end of the air outlet pipe 7 extends into the interior of the mixing tank 2. Several sets of pneumatic stirring components 8 are provided on the outer surface of the air outlet pipe 7. The pneumatic stirring components 8 include an annular main air pipe 801. Several branch aeration pipes 802 are fixedly connected to the inner side of the outer surface of the annular main air pipe 801. The inner ends of the several branch aeration pipes 802 are all connected to the interior of the air outlet pipe 7. Through multiple annular main air pipes 801... The design of the main aeration pipe 801 and multiple branch aeration pipes 802 enables more uniform bubble flow within the entire mixing tank 2, ensuring that wastewater in all areas of the mixing tank 2 is fully mixed. This allows the treatment agent to be thoroughly and evenly mixed with the wastewater. Several first aeration heads 803 are fixedly connected to the upper end of the outer surface of the main aeration pipe 801, and several second aeration heads 804 are fixedly connected to the upper ends of the branch aeration pipes 802. Both the first aeration heads 803 and the second aeration heads 804 can refine the bubbles. The distribution of bubbles allows them to disperse evenly in the liquid, promoting thorough mixing of the treatment agent and wastewater. Fixing plates 9 are fixedly connected to the front and rear sides of the lower end of the cover plate 3. The inner wall of the fixing plate 9 is fixedly connected to the outer surface of the annular main air pipe 801. The connection between the fixing plate 9 and the annular main air pipe 801, as well as the fixing plate 9 to the lower end of the cover plate 3, increases the stability of the pneumatic stirring assembly 8 during movement. A water outlet pipe 10 is fixedly connected to the left side of the outer surface of the stirring tank 2, and a valve 11 is installed on the outer surface of the water outlet pipe 10.

[0022] Reference Figure 1 , Figure 4 and Figure 5As shown, the left end of the outer surface of the mixing tank 2 is fixedly connected to the upper part of the outlet pipe 10 by an inlet pipe 12. A limiting groove 13 is opened at the front end of the inlet pipe 12, and a limiting frame 14 is provided inside the limiting groove 13. A filter plate 15 is fixedly connected inside the limiting frame 14. The sewage may contain various solid impurities, such as mud, leaves, plastic fragments, etc. The filter plate 15 can intercept these larger particles of impurities before the sewage enters the mixing tank 2. This not only prevents them from clogging the pneumatic mixing component 8, but also allows the subsequently added treatment agents to better contact and react with the pollutants in the sewage, thereby ensuring the normal operation of the pneumatic mixing component 8 and the uniform release of bubbles. The front end of the limiting frame 14 is fixedly equipped with a handle 16. The limiting frame 14 and the filter plate 15 can be removed from the limiting groove 13 for cleaning or replacement through the handle 16. The upper right side of the base 1 is fixedly connected to a fixing block 17. The left end of the fixing block 17 is provided with a sliding groove 18. A threaded rod 19 is rotatably installed inside the sliding groove 18. The upper end of the fixing block 17 is fixedly installed with a servo motor 20. The output end of the servo motor 20 extends into the sliding groove 18 and is fixedly connected to the upper end of the threaded rod 19. The outer surface of the threaded rod 19 is threadedly connected to a lifting block 21. The left end of the lifting block 21 is fixedly connected to a connecting plate 22. The left end of the connecting plate 22 is fixedly connected to the right end of the support frame 5.

[0023] The working principle and usage process of this utility model are as follows: Specifically, the servo motor 20 and the air pump 6 are electrically connected to an external control device. During use, the servo motor 20 drives the threaded rod 19 to rotate, which in turn moves the lifting block 21 upwards, causing it to abut against the top of the slide groove 18. At this time, the lower end of the air outlet pipe 7 is positioned above the mixing tank 2. Then, wastewater is pumped into the mixing tank 2 through the water inlet pipe 12. Large particles in the wastewater are filtered by the filter plate 15 installed inside the water inlet pipe 12. The filtered wastewater then enters the mixing tank 2. Then, treatment agents are added to the mixing tank 2 according to a specific ratio. Next, driven by the servo motor 20, several sets of pneumatic stirring components 8 extend into the mixing tank 2. When the lower end of the lifting block 21 contacts the bottom end of the rectangular groove, the cover plate... The upper end of 3 abuts against the upper end of the mixing tank 2, and then the air pump 6 is started. After the air pump 6 is turned on, the compressed air generated enters several branch aeration pipes 802 and several annular main air pipes 801 through the air outlet pipe 7, and then generates bubbles through multiple second aeration heads 804 and multiple first aeration heads 803. These bubbles move upward under the action of buoyancy, driving the surrounding sewage to flow, thereby generating a stirring effect. The bubbles generated by the annular main air pipes 801 and branch aeration pipes 802, which are equidistantly connected on the outer surface of the air outlet pipe 7, can be more evenly distributed in the mixing tank 2, ensuring that the sewage in each area of ​​the mixing tank 2 can be well stirred, thereby allowing the treatment agent to be fully and evenly mixed with the sewage, effectively improving the sewage treatment effect. After the stirring is completed, the valve 11 is opened, and the treated sewage is discharged through the water outlet pipe 10.

[0024] 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 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 claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A pneumatic stirring mechanism for wastewater treatment, characterized in that: Includes a base (1), a mixing tank (2) is fixedly installed on the upper left side of the base (1), a cover plate (3) is provided on the upper end of the mixing tank (2), a plurality of exhaust holes (4) are provided on the upper left side of the cover plate (3), a support frame (5) is fixedly connected to the upper middle part of the cover plate (3), an air pump (6) is fixedly installed on the upper rear side of the support frame (5), the output end of the air pump (6) is fixedly connected to an air outlet pipe (7), the lower end of the air outlet pipe (7) extends into the interior of the mixing tank (2), and a plurality of pneumatic stirring components (8) are provided on the outer surface of the air outlet pipe (7). The pneumatic stirring assembly (8) includes an annular main air pipe (801). Several branch aeration pipes (802) are fixedly connected to the inner side of the outer surface of the annular main air pipe (801). The inner ends of the several branch aeration pipes (802) are all connected to the interior of the air outlet pipe (7). Several first aeration heads (803) are fixedly connected to the upper end of the outer surface of the annular main air pipe (801). Several second aeration heads (804) are fixedly connected to the upper end of the several branch aeration pipes (802).

2. The pneumatic stirring mechanism for sewage treatment according to claim 1, characterized in that: The lower end of the cover plate (3) is fixedly connected to the front and rear sides of the cover plate (3). The inner sidewall of the fixed plate (9) is fixedly connected to the outer surface of the annular main air pipe (801). The outer left side of the mixing tank (2) is fixedly connected to the water outlet pipe (10). The outer surface of the water outlet pipe (10) is equipped with a valve (11).

3. The pneumatic stirring mechanism for wastewater treatment according to claim 1, characterized in that: The outer left end of the mixing tank (2) is fixedly connected to the top of the water outlet pipe (10) by a water inlet pipe (12). A limiting groove (13) is opened at the front end of the water inlet pipe (12). A limiting frame (14) is provided inside the limiting groove (13). A filter plate (15) is fixedly connected inside the limiting frame (14). A handle (16) is fixedly installed at the front end of the limiting frame (14).

4. The pneumatic stirring mechanism for wastewater treatment according to claim 1, characterized in that: A fixing block (17) is fixedly connected to the upper right side of the base (1). A sliding groove (18) is provided at the left end of the fixing block (17). A threaded rod (19) is rotatably installed inside the sliding groove (18). A servo motor (20) is fixedly installed at the upper end of the fixing block (17). The output end of the servo motor (20) extends into the sliding groove (18) and is fixedly connected to the upper end of the threaded rod (19).

5. A pneumatic stirring mechanism for wastewater treatment according to claim 4, characterized in that: The outer surface of the threaded rod (19) is threadedly connected to a lifting block (21), and the left end of the lifting block (21) is fixedly connected to a connecting plate (22). The left end of the connecting plate (22) is fixedly connected to the right end of the support frame (5).

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