Municipal sewage treatment aeration device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a municipal sewage treatment aeration device which comprises a box body and a water inlet pipe, the box body is fixedly connected with the outer wall of the end part of the water inlet pipe, a filtering mechanism is arranged in the water inlet pipe, and a collecting mechanism is arranged below the water inlet pipe. Municipal sewage enters a water inlet pipe and then makes contact with a filter screen, the filter screen filters impurities in the municipal sewage, the situation that the impurities enter a box through the water inlet pipe is avoided, the sewage makes contact with an impeller after passing through the filter screen and drives the impeller to rotate, the impeller drives a first rotating rod to rotate, and the first rotating rod drives a supporting rod to rotate; the supporting rod drives the brush to rotate, the brush cleans impurities attached to the surface of the filter screen, the filter screen is prevented from being blocked, the filter screen can filter the impurities in municipal sewage all the time, it is avoided that the impurities enter the box body, more impurities cannot be accumulated in the box body, and then the structure in the box body cannot be damaged.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, specifically to an aeration device for municipal wastewater treatment. Background Technology

[0002] Aeration refers to the process of forcibly transferring oxygen from the air into a liquid. Its purpose is to obtain sufficient dissolved oxygen. In addition, aeration also prevents suspended matter in the tank from settling and enhances the contact between organic matter, microorganisms, and dissolved oxygen in the tank. This ensures that the microorganisms in the tank can oxidize and decompose the organic matter in the sewage under the condition of sufficient dissolved oxygen. Aeration devices are required when treating municipal sewage.

[0003] For example, a municipal wastewater treatment aeration device with authorization announcement number CN208327541U includes a tank, a fixed frame, aeration discs, aeration heads, an inlet pipe, and a drain pipe. The fixed frame is fixedly connected to the top of the tank, and a rotating shaft is installed inside the tank. A roller is sleeved on the rotating shaft, and several main aeration plates are distributed on the surface of the roller. However, the above document still has shortcomings. In use, the aeration discs are used to aerate the bottom layer of wastewater; the main aeration plates and auxiliary aeration plates are used to lift the surface wastewater, allowing the wastewater to fully contact with air and aerate the surface wastewater. By setting up auxiliary aeration plates, the contact between wastewater and air is increased. The increased air contact area improves aeration efficiency. The stirring rod agitates the bottom sewage, making the sewage and air bubbles mix more evenly, further improving aeration efficiency. However, the device in the above document directly introduces sewage into the tank when treating municipal sewage. Sewage usually contains a large number of impurities. After the impurities are introduced into the tank, they will accumulate inside the tank. Excessive accumulation of impurities can easily damage the internal structure of the tank. At the same time, after filtering the impurities in the municipal sewage introduced into the tank, it is not convenient to clean the filtered impurities. Utility Model Content

[0004] The purpose of this invention is to solve the problem of excessive accumulation of impurities inside the tank, and to propose an aeration device for municipal sewage treatment.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] Design a municipal sewage treatment aeration device, including a box and an inlet pipe. The box is fixedly connected to the outer wall of the end of the inlet pipe. A filtration mechanism is provided inside the inlet pipe. A collection mechanism is provided below the inlet pipe. A motor is fixedly connected to the outer wall of the box. A second rotating rod is fixedly connected to the output shaft of the motor. The outer walls of both ends of the second rotating rod are rotatably connected to the box through bearings. A rotating frame and a first gear are fixedly connected to the outer wall of the second rotating rod.

[0007] Preferably, the filtration mechanism includes a vertical rod fixed to the inner wall of the water inlet pipe. A first rotating rod is rotatably connected to the inside of the vertical rod via a bearing. An impeller is fixed to one end of the first rotating rod, and a support rod is fixed to the other end. A brush is fixed to the outer wall of the support rod, and the end of the brush is in contact with a filter screen. The filter screen is fixed to the inner wall of the water inlet pipe and rotatably connected to the outer wall of the first rotating rod.

[0008] Preferably, the collection mechanism includes a frame, the outer wall of which is fixedly connected to the water inlet pipe and the box body, the frame and the water inlet pipe are connected through a first pipe, the frame and the box body are connected through a second pipe, a mesh frame is fitted inside the frame, and a door panel is fixedly attached to the surface of the mesh frame, the door panel being in contact with the surface of the frame.

[0009] Preferably, the first gear is meshed with the second gear, and the second gear is fixed to the outer wall of the third rotating rod.

[0010] Preferably, the outer walls at both ends of the third rotating rod are rotatably connected to the housing via bearings, and a connecting rod is fixedly connected to the outer wall of the third rotating rod.

[0011] Preferably, an aeration disc is fixedly connected to the inside of the housing, the aeration disc is fixedly connected to one end of the third pipe, the outer wall of the third pipe is fixedly connected to the housing, the end of the third pipe is fixedly connected to a blower, and the blower is fixedly connected to the outer wall of the housing.

[0012] Preferably, the housing is fixedly connected to the outer wall of the first water pipe, the end of the first water pipe is fixedly connected to the liquid pump, the liquid pump is fixedly connected to the upper surface of the housing, and the output end of the liquid pump is fixedly connected to the second water pipe.

[0013] Preferably, a spray plate is fixedly connected to the end of the second water pipe, and the outer walls of both the spray plate and the second water pipe are fixedly connected to the box body.

[0014] The municipal sewage treatment aeration device proposed in this utility model has the following advantages: Through the cooperation of the vertical rod, the first rotating rod, the impeller, the support rod, the brush, and the filter screen, municipal sewage enters the inlet pipe and comes into contact with the filter screen. The filter screen filters impurities in the municipal sewage, preventing impurities from entering the tank through the inlet pipe. After passing through the filter screen, the sewage comes into contact with the impeller and drives the impeller to rotate. The impeller drives the first rotating rod to rotate, the first rotating rod drives the support rod to rotate, and the support rod drives the brush to rotate. The brush cleans the impurities attached to the surface of the filter screen, preventing the filter screen from becoming clogged. The filter screen can always filter impurities in the municipal sewage, preventing impurities from entering the tank. The tank will not accumulate a lot of impurities, thus preventing damage to the internal structure of the tank.

[0015] Through the cooperation of the frame, first pipe, second pipe, mesh frame, and door panel, impurities on the surface of the filter screen enter the interior of the frame through the first pipe. The mesh frame collects the impurities entering the frame. Municipal sewage entering the frame through the first pipe enters the interior of the mesh frame, where it filters impurities. The impurities in the municipal sewage remain inside the mesh frame, while the municipal sewage enters the interior of the housing through the second pipe. After stopping the flow of municipal sewage, the door panel is pulled, causing the mesh frame to move and be removed from the frame. The impurities inside the mesh frame are then cleaned. After filtering the impurities in the municipal sewage flowing into the housing, it is easy to clean the filtered impurities. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the connection between the water inlet pipe, the first rotating rod, and the impeller in this utility model;

[0019] Figure 4 This is a schematic diagram of the structure at the connection between the filter screen, the vertical rod, and the impeller in this utility model;

[0020] Figure 5 This is a schematic diagram of the connection between the mesh frame and the door panel in this utility model.

[0021] In the diagram: 1. Box body, 2. Water inlet pipe, 3. Filtration mechanism, 301. Vertical rod, 302. First rotating rod, 303. Impeller, 304. Support rod, 305. Brush, 306. Filter screen, 4. Collection mechanism, 401. Frame, 402. First pipe, 403. Second pipe, 404. Mesh frame, 405. Door panel, 5. Motor, 6. Second rotating rod, 7. Rotating frame, 8. First gear, 9. Second gear, 10. Third rotating rod, 11. Connecting rod, 12. Aeration disc, 13. Third pipe, 14. Blower, 15. First water pipe, 16. Liquid pump, 17. Second water pipe, 18. Spray plate. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings:

[0023] See attached document Figure 1-5In this embodiment, a municipal sewage treatment aeration device includes a housing 1 and an inlet pipe 2. The housing 1 is fixedly connected to the outer wall of the end of the inlet pipe 2, and the housing 1 is connected to the inlet pipe 2. A filter mechanism 3 is provided inside the inlet pipe 2 to filter impurities in the municipal sewage. A collection mechanism 4 is provided below the inlet pipe 2 to collect the filtered impurities. A motor 5 is fixedly connected to the outer wall of the housing 1, and a second rotating rod 6 is fixedly connected to the output shaft of the motor 5. The motor 5 drives the second rotating rod 6 to rotate. The outer walls at both ends of the second rotating rod 6 are open. The second rotating rod 6 is rotatably connected to the housing 1 via a bearing. The outer wall of the second rotating rod 6 is fixedly connected to a rotating frame 7 and a first gear 8. The second rotating rod 6 drives the rotating frame 7 and the first gear 8 to rotate. The rotating frame 7 consists of a roller and a support plate, which can beat the sewage. The first gear 8 is meshed with the second gear 9. The first gear 8 drives the second gear 9 to rotate. The second gear 9 is fixedly connected to the outer wall of the third rotating rod 10. The outer walls at both ends of the third rotating rod 10 are rotatably connected to the housing 1 via bearings. The outer wall of the third rotating rod 10 is fixedly connected to a connecting rod 11. The third rotating rod 10 drives the connecting rod 11 to rotate.

[0024] An aeration disc 12 is fixedly connected inside the housing 1. An air outlet is located above the aeration disc 12. One end of the aeration disc 12 is fixedly connected to the third pipe 13, and the aeration disc 12 and the third pipe 13 are connected. A one-way valve is installed inside the third pipe 13 to prevent sewage from entering the blower 14. The outer wall of the third pipe 13 is fixedly connected to the housing 1, and the end of the third pipe 13 is fixedly connected to the blower 14, and the third pipe 13 is connected to the blower 14. The blower 14 is fixedly connected to the outer wall of the housing 1. The housing 1 is connected to the first water pipe 15. The outer wall is fixedly connected, the lower end of the first water pipe 15 extends into the interior of the box 1, the end of the first water pipe 15 is fixedly connected to the liquid pump 16, the first water pipe 15 and the liquid pump 16 are connected, the liquid pump 16 is fixedly connected to the upper surface of the box 1, the output end of the liquid pump 16 is fixedly connected to the second water pipe 17, the liquid pump 16 and the second water pipe 17 are connected, the end of the second water pipe 17 is fixedly connected to the spray plate 18, the second water pipe 17 and the spray plate 18 are connected, multiple nozzles are provided below the spray plate 18, the outer walls of the spray plate 18 and the second water pipe 17 are both fixedly connected to the box 1.

[0025] The filtration mechanism 3 includes a vertical rod 301, a first rotating rod 302, an impeller 303, a support rod 304, a brush 305, and a filter screen 306. The vertical rod 301 is fixed to the inner wall of the inlet pipe 2. The first rotating rod 302 is rotatably connected to the inside of the vertical rod 301 via a bearing. The vertical rod 301 supports the first rotating rod 302. One end of the first rotating rod 302 is fixed to the impeller 303. The first rotating rod 302 and the impeller 303 rotate together. The sewage comes into contact with the impeller 303. The first rotating rod 302 drives the impeller 303 to rotate. The other end of the first rotating rod 302 is fixedly connected to the support rod 304. The first rotating rod 302 drives the support rod 304 to rotate. The outer wall of the support rod 304 is fixedly connected to the brush 305. The support rod 304 drives the brush 305 to rotate. The end of the brush 305 is in contact with the filter screen 306. The brush 305 cleans the filter screen 306. The filter screen 306 is fixedly connected to the inner wall of the water inlet pipe 2. The filter screen 306 is rotatably connected to the outer wall of the first rotating rod 302.

[0026] After municipal sewage enters the inlet pipe 2, it comes into contact with the filter screen 306. The filter screen 306 filters impurities in the municipal sewage, preventing them from entering the interior of the tank 1 through the inlet pipe 2. After passing through the filter screen 306, the sewage comes into contact with the impeller 303 and drives the impeller 303 to rotate. The impeller 303 drives the first rotating rod 302 to rotate, which in turn drives the support rod 304 to rotate. The support rod 304 drives the brush 305 to rotate, and the brush 305 cleans the impurities attached to the surface of the filter screen 306, preventing the filter screen 306 from becoming clogged. The filter screen 306 can always filter impurities in the municipal sewage, preventing them from entering the interior of the tank 1. As a result, the interior of the tank 1 will not accumulate a lot of impurities, thus preventing damage to the internal structure of the tank 1.

[0027] The collection mechanism 4 includes a frame 401, a first pipe 402, a second pipe 403, a mesh frame 404, and a door panel 405. The outer wall of the frame 401 is fixedly connected to the inlet pipe 2 and the housing 1. The frame 401 and the inlet pipe 2 are connected through the first pipe 402, allowing impurities inside the inlet pipe 2 to enter the interior of the frame 401 through the first pipe 402. The frame 401 and the housing 1 are connected through the second pipe 403, allowing wastewater inside the frame 401 to enter through the second pipe. 403 enters the interior of the housing 1. A mesh frame 404 fits into the internal gap of the frame 401. The mesh frame 404 collects impurities that enter the interior of the frame 401. A door panel 405 is fixed to the surface of the mesh frame 404. The door panel 405 drives the mesh frame 404 to move. The door panel 405 is in contact with the surface of the frame 401. A rubber sealing strip is provided between the door panel 405 and the frame 401 to prevent water leakage. The door panel 405 and the frame 401 can be folded together.

[0028] Impurities on the surface of the filter screen 306 enter the interior of the frame 401 through the first pipe 402. The mesh frame 404 collects the impurities entering the frame 401. Municipal sewage entering the frame 401 through the first pipe 402 enters the interior of the mesh frame 404. The mesh frame 404 filters the impurities in the municipal sewage, and the impurities in the municipal sewage remain inside the mesh frame 404. The municipal sewage then enters the interior of the housing 1 through the second pipe 403. After stopping the flow of municipal sewage, the door panel 405 is pulled, and the door panel 405 moves the mesh frame 404, removing the mesh frame 404 from the frame 401. The impurities inside the mesh frame 404 are then cleaned. After filtering the impurities in the municipal sewage flowing into the housing 1, it is convenient to clean the filtered impurities.

[0029] Working principle:

[0030] When using municipal wastewater treatment aeration devices to aerate municipal wastewater;

[0031] Municipal sewage inflow stage:

[0032] Municipal sewage requiring aeration is introduced through the left end of inlet pipe 2. After entering the inlet pipe 2, the municipal sewage comes into contact with filter screen 306. Filter screen 306 filters impurities in the municipal sewage, preventing impurities from entering the interior of tank 1 through inlet pipe 2. After passing through filter screen 306, the municipal sewage comes into contact with impeller 303 and drives impeller 303 to rotate. Impeller 303 drives first rotating rod 302 to rotate, first rotating rod 302 drives support rod 304 to rotate, support rod 304 drives brush 305 to rotate, brush 305 cleans impurities attached to the surface of filter screen 306, preventing filter screen 306 from becoming clogged. Filter screen 306 can always filter impurities in municipal sewage, preventing impurities from entering the interior of tank 1. The interior of tank 1 will not accumulate a lot of impurities, thus preventing damage to the internal structure of tank 1.

[0033] Impurity collection stage:

[0034] After the brush 305 cleans the surface of the filter screen 306, the impurities on the surface of the filter screen 306 enter the interior of the frame 401 through the first pipe 402. The mesh frame 404 collects the impurities that enter the interior of the frame 401. The municipal sewage that enters the interior of the frame 401 through the first pipe 402 enters the interior of the mesh frame 404. The mesh frame 404 filters the impurities in the municipal sewage, and the impurities in the municipal sewage remain inside the mesh frame 404. The municipal sewage then enters the housing 1 through the second pipe 403. Inside the enclosure, after stopping the flow of municipal sewage, pull the door panel 405. The door panel 405 moves the mesh frame 404, removing the mesh frame 404 from the frame 401. Clean the impurities inside the mesh frame 404. After filtering the impurities in the municipal sewage flowing into the enclosure 1, it is easy to clean the filtered impurities. Put the mesh frame 404 back into the frame 401. The door panel 405 fits into the frame 401. A rubber sealing strip is provided between the door panel 405 and the frame 401 to prevent water leakage.

[0035] Aeration treatment stage:

[0036] Start the blower 14. The blower 14 blows air into the aeration disc 12 through the third pipe 13. The aeration disc 12 aerates the sewage inside the tank 1. The specific aeration principle is the same as that in a municipal sewage treatment aeration device with authorization announcement number CN208327541U. Start the liquid pump 16. The liquid pump 16 draws water out of the tank 1 through the first water pipe 15 and introduces it into the spray plate 18 through the second water pipe 17, where it is sprayed out. Start the motor 5. The motor 5 drives the second rotating rod 6 to rotate. The second rotating rod 6 drives the rotating frame 7 and the first gear 8 to rotate. The rotating frame 7 impacts the sewage, causing it to disperse and increasing the aeration effect. The first gear 8 drives the second gear 9 to rotate. The second gear 9 drives the third rotating rod 10 to rotate. The third rotating rod 10 drives the connecting rod 11 to rotate. The connecting rod 11 agitates the sewage inside the tank 1, further increasing the aeration effect. Finally, the aerated municipal sewage is discharged from the discharge pipe at the lower right of the tank 1.

[0037] Although the present invention has been illustrated and described with reference to preferred embodiments, those skilled in the art should understand that various changes in form and detail are possible within the scope of the claims.

Claims

1. A municipal wastewater treatment aeration device, comprising a housing (1) and an inlet pipe (2), wherein the housing (1) is fixedly connected to the outer wall of the end of the inlet pipe (2), characterized in that: The inlet pipe (2) is equipped with a filter mechanism (3), and a collection mechanism (4) is provided below the inlet pipe (2). A motor (5) is fixed to the outer wall of the box (1). The output shaft of the motor (5) is fixed to a second rotating rod (6). The outer walls at both ends of the second rotating rod (6) are rotatably connected to the box (1) through bearings. A rotating frame (7) and a first gear (8) are fixed to the outer wall of the second rotating rod (6).

2. The municipal wastewater treatment aeration device according to claim 1, characterized in that: The filtration mechanism (3) includes a vertical rod (301), which is fixed to the inner wall of the water inlet pipe (2). The interior of the vertical rod (301) is rotatably connected to a first rotating rod (302) via a bearing. One end of the first rotating rod (302) is fixedly connected to an impeller (303), and the other end of the first rotating rod (302) is fixedly connected to a support rod (304). A brush (305) is fixedly connected to the outer wall of the support rod (304). The end of the brush (305) is in contact with a filter screen (306). The filter screen (306) is fixed to the inner wall of the water inlet pipe (2), and the filter screen (306) is rotatably connected to the outer wall of the first rotating rod (302).

3. The municipal wastewater treatment aeration device according to claim 1, characterized in that: The collection mechanism (4) includes a frame (401), the outer wall of which is fixedly connected to the water inlet pipe (2) and the box (1). The frame (401) is connected to the water inlet pipe (2) through a first pipe (402), and the frame (401) is connected to the box (1) through a second pipe (403). A mesh frame (404) is fitted inside the frame (401), and a door panel (405) is fixedly attached to the surface of the mesh frame (404). The door panel (405) is in contact with the surface of the frame (401).

4. The municipal wastewater treatment aeration device according to claim 1, characterized in that: The first gear (8) is meshed with the second gear (9), and the second gear (9) is fixed to the outer wall of the third rotating rod (10).

5. The municipal wastewater treatment aeration device according to claim 4, characterized in that: The outer walls at both ends of the third rotating rod (10) are rotatably connected to the housing (1) via bearings, and a connecting rod (11) is fixedly connected to the outer wall of the third rotating rod (10).

6. The municipal wastewater treatment aeration device according to claim 1, characterized in that: An aeration disc (12) is fixedly connected inside the box (1). The aeration disc (12) is fixedly connected to one end of the third pipe (13). The outer wall of the third pipe (13) is fixedly connected to the box (1). The end of the third pipe (13) is fixedly connected to the blower (14). The blower (14) is fixedly connected to the outer wall of the box (1).

7. The municipal wastewater treatment aeration device according to claim 1, characterized in that: The housing (1) is fixedly connected to the outer wall of the first water pipe (15), the end of the first water pipe (15) is fixedly connected to the liquid pump (16), the liquid pump (16) is fixedly connected to the upper surface of the housing (1), and the output end of the liquid pump (16) is fixedly connected to the second water pipe (17).

8. The municipal wastewater treatment aeration device according to claim 7, characterized in that: A water spray plate (18) is fixedly connected to the end of the second water pipe (17), and the outer walls of the water spray plate (18) and the second water pipe (17) are both fixedly connected to the box body (1).

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