Aeration reactor for wastewater treatment

Abstract

The utility model discloses an aeration reactor for wastewater treatment, which relates to the technical field of wastewater treatment and comprises an aeration tank, the top of the aeration tank is fixedly connected with a guide rail, one side of the guide rail is slidably connected with a scraper blade, the bottom end of the scraper blade extends into the aeration tank, the bottom of an inner cavity of the aeration tank is provided with a plurality of aeration heads, and the aeration heads are fixedly connected with the guide rail. An air supply pipe is installed in the aeration tank, the aeration heads are all communicated with the interior of the air supply pipe, one end of the air supply pipe extends to the outer side of the aeration tank, a collection box is fixedly connected to one side of the aeration tank, a collection cavity is formed in the collection box, and a collection groove is formed in one side of the collection box. One end of each collection tank extends into the aeration tank, and the top of the inner cavity of the collection cavity is fixedly connected with a water spray pipe, the aeration reactor for wastewater treatment is provided with a scraper, a water spray head and the collection cavity, so that foam in the aeration tank can be prevented from spreading out of the aeration reactor to cause pollution to the surrounding environment.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater treatment, in particular to an aeration reactor for wastewater treatment. Background Art

[0002] In the sewage treatment process, certain methods and equipment are used to force air into the sewage, so that the sewage in the pool contacts with the air and is oxygenated, and the liquid is stirred to accelerate the transfer of oxygen in the air to the liquid, prevent the suspended objects in the pool from sinking, strengthen the contact between the organic matter in the pool and the microorganisms and dissolved oxygen, and oxidize and decompose the organic matter in the sewage. This process of forcibly adding oxygen to the sewage is called aeration. However, when aerating wastewater, a large amount of foam will be generated in the aeration tank in the aeration reactor, and the foam is easy to overflow from the tank, causing serious pollution to the external equipment and the external pool wall. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides an aeration reactor for wastewater treatment, which solves the problems raised in the above-mentioned background technology.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: an aeration reactor for wastewater treatment, comprising an aeration tank, a guide rail is fixedly connected to the top of the aeration tank, a scraper is slidably connected to one side of the guide rail, the bottom end of the scraper extends to the inside of the aeration tank, a plurality of aeration heads are installed at the bottom of the inner cavity of the aeration tank, an air supply pipe is installed inside the aeration tank, the aeration heads are all connected to the inside of the air supply pipe, one end of the air supply pipe extends to the outside of the aeration tank, a collection box is fixedly connected to one side of the aeration tank, a collection cavity is provided inside the collection box, a collection trough is provided on one side of the collection box, one end of the collection trough extends to the inside of the aeration tank, a water spray pipe is fixedly connected to the top of the inner cavity of the collection cavity, a plurality of water spray heads are fixedly connected to the bottom of the water spray pipe, a first pump is fixedly connected to one side of the collection box, one end of the first pump is fixedly connected to a connector, one side of the connector is fixedly connected to a first switch valve, and one end of the first switch valve extends to the inside of the aeration tank.

[0005] Preferably, the other end of the connecting head is fixedly connected to a second switch valve, a third pump is fixedly connected inside the collecting box and below the collecting chamber, one end of the third pump extends into the aeration tank, a second pump is fixedly connected inside the collecting box and between the collecting chamber and the third pump, one end of the second pump extends into the collecting chamber.

[0006] Preferably, a fixed box is fixedly connected inside the collecting box and below the collecting chamber, one end of the fixed box extends to the outside of the collecting box, the other end of the second pump extends to the inside of the fixed box, and one end of the third pump extends to the inside of the fixed box.

[0007] Preferably, a baffle is installed on one side of the fixed box by a second screw, a drawer is fixedly connected to one side of the baffle and located inside the fixed box, and a filter plate is fixedly connected to the inside of the drawer.

[0008] Preferably, a side panel is placed at one end of the drawer, a fixing block is fixedly connected inside the drawer and below the filter plate, and the side panel and the fixing block are fixedly connected by a first screw.

[0009] Preferably, a screw rod is rotatably connected inside the guide rail, a servo motor is fixedly connected to one side of the guide rail, the output end of the servo motor is fixedly connected to one end of the screw rod, a moving block is threadedly connected to the outer side of the screw rod, one end of the moving block extends to the outside of the guide rail and is fixedly connected to one side of the scraper, and a controller is installed on one side of the collection box.

[0010] The utility model provides an aeration reactor for wastewater treatment, which has the following beneficial effects:

[0011] 1. The aeration reactor for wastewater treatment is provided with a scraper, a water spray head and a collection chamber. The output end of the servo motor can drive the screw to rotate, so that the screw drives the moving block to move, so that the moving block drives the scraper to move, so that the scraper pushes the foam on the surface of the sewage in the aeration tank through the collection tank into the collection chamber for storage, and then the output end of the servo motor drives the screw to reset and rotate, so that the screw drives the moving block to drive the scraper to reset and move, and then the first switch valve can be opened as needed to use the sewage in the aeration tank for defoaming or the second switch valve can be opened to use external water for defoaming. The first The pump is started, and the sewage in the aeration tank is pumped out through the first switch valve, and the outside water is also sucked in through the second switch valve. Then the first pump discharges the water into the spray pipe, and then the water in the spray pipe is sprayed into the collection chamber through the spray head, and the foam is broken by the high-speed spraying water flow or water droplets. Then the water in the collection chamber is discharged into the fixed box through the second pump, and the sludge particles are filtered through the filter plate. Then, the filtered sewage is re-discharged into the aeration tank for aeration through the third pump, which can prevent the foam in the aeration tank from spreading outside the aeration reactor and polluting the surrounding environment.

[0012] 2. The aeration reactor for wastewater treatment is provided with a fixed box, a fixed block and a filter plate. When it is necessary to clean the filtered material on the surface of the filter plate, the second screw is unscrewed, the baffle is removed from one side of the fixed box, the filter plate is taken out from the inside of the fixed box, and then the first screw is unscrewed from the inside of the fixed block, and the side plate is removed from one end of the filter plate, so as to facilitate the cleaning of the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the top view of the aeration tank structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the fixed box of the utility model from the side;

[0016] Figure 4 For this utility model Figure 1 Enlarged view of point A.

[0017] In the figure: 1. aeration tank; 2. guide rail; 3. servo motor; 4. screw rod; 5. moving block; 6. scraper; 7. aeration head; 8. air supply pipe; 9. collecting box; 10. water spray pipe; 11. water spray head; 12. collecting tank; 13. collecting chamber; 14. first pump; 15. first switch valve; 16. connecting head; 17. second switch valve; 18. second pump; 19. fixing box; 20. drawer; 21. filter plate; 22. fixing block; 23. third pump; 24. side panel; 25. first screw; 26. baffle; 27. second screw. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Embodiment 1

[0020] See also Figures 1 to 4The utility model provides a technical solution: an aeration reactor for wastewater treatment, comprising an aeration tank 1, a guide rail 2 is fixedly connected to the top of the aeration tank 1, a scraper 6 is slidably connected to one side of the guide rail 2, the bottom end of the scraper 6 extends to the inside of the aeration tank 1, a plurality of aeration heads 7 are installed at the bottom of the inner cavity of the aeration tank 1, an air supply pipe 8 is installed inside the aeration tank 1, the aeration heads 7 are all connected to the inside of the air supply pipe 8, one end of the air supply pipe 8 extends to the outside of the aeration tank 1, a collection box 9 is fixedly connected to one side of the aeration tank 1, and the collection box A collecting chamber 13 is provided inside the collecting box 9, a collecting trough 12 is provided on one side of the collecting box 9, one end of the collecting trough 12 extends to the inside of the aeration tank 1, a water spray pipe 10 is fixedly connected to the top of the inner cavity of the collecting chamber 13, a plurality of water spray heads 11 are fixedly connected to the bottom of the water spray pipe 10, a first pump 14 is fixedly connected to one side of the collecting box 9, one end of the first pump 14 is fixedly connected to a connector 16, one side of the connector 16 is fixedly connected to a first switch valve 15, and one end of the first switch valve 15 extends to the inside of the aeration tank 1.

[0021] The other end of the connector 16 is fixedly connected to a second switch valve 17, a third pump 23 is fixedly connected inside the collecting box 9 and below the collecting chamber 13, one end of the third pump 23 extends into the aeration tank 1, a second pump 18 is fixedly connected inside the collecting box 9 and between the collecting chamber 13 and the third pump 23, one end of the second pump 18 extends into the collecting chamber 13, and can extract the sewage after the foam in the collecting chamber 13 is defoamed, and re-discharge it into the aeration tank 1 to continue the aeration reaction.

[0022] A fixed box 19 is fixedly connected inside the collecting box 9 and below the collecting chamber 13. One end of the fixed box 19 extends to the outside of the collecting box 9. The other end of the second pump 18 extends to the inside of the fixed box 19. One end of the third pump 23 extends to the inside of the fixed box 19, so that the sewage inside the collecting chamber 13 can be discharged back into the aeration tank 1.

[0023] A baffle 26 is installed on one side of the fixed box 19 by a second screw 27. A drawer 20 is fixedly connected to one side of the baffle 26 and located inside the fixed box 19. A filter plate 21 is fixedly connected inside the drawer 20. The particles in the sewage that needs to be discharged back into the aeration tank 1 are filtered through the filter plate 21.

[0024] A side panel 24 is placed at one end of the drawer 20, and a fixing block 22 is fixedly connected inside the drawer 20 and below the filter plate 21. The side panel 24 and the fixing block 22 are fixedly connected by a first screw 25, so that the side panel 24 can be easily disassembled and installed to facilitate cleaning of the surface of the filter plate 21.

[0025] Embodiment 2

[0026] See also Figure 1 and Figure 2 The utility model provides a technical solution: a screw rod 4 is rotatably connected inside the guide rail 2, a servo motor 3 is fixedly connected to one side of the guide rail 2, an output end of the servo motor 3 is fixedly connected to one end of the screw rod 4, a moving block 5 is threadedly connected to the outer side of the screw rod 4, one end of the moving block 5 extends to the outer side of the guide rail 2 and is fixedly connected to one side of the scraper 6, a controller is installed on one side of the collecting box 9, and the aeration reactor can be controlled to work by the controller.

[0027] In summary, when the aeration reactor for wastewater treatment is used, oxygen is transported to the inside of the air supply pipe 8 through an external gas delivery device, so that the oxygen enters the inside of the aeration head 7 through the air supply pipe 8, and then is sprayed into the sewage inside the aeration tank 1 through the aeration head 7, so that the sewage contacts and reacts with the bubbles. However, when the sewage is aerated, a large amount of foam will be generated, and the generated foam will gather on the surface of the sewage. Therefore, the output end of the servo motor 3 can drive the screw 4 to rotate, so that the screw 4 drives the moving block 5 to move, so that the moving block 5 drives the scraper 6 to move. The scraper 6 pushes the foam on the surface of the sewage in the aeration tank 1 through the collecting tank 12 into the collecting chamber 13 for storage, and then the output end of the servo motor 3 drives the screw rod 4 to reset and rotate, so that the screw rod 4 drives the moving block 5 to drive the scraper 6 to reset and move, and then the first switch valve 15 can be opened as needed to use the sewage in the aeration tank 1 for defoaming, or the second switch valve 17 can be opened to use external water for defoaming, and the first pump 14 is started to pump out the sewage in the aeration tank 1 through the first switch valve 15, and can also be pumped out through the second switch valve 17. The external water is sucked in, and then the first pump 14 discharges the water into the water spray pipe 10, and then the water inside the water spray pipe 10 is sprayed into the collection chamber 13 through the water spray head 11, and the foam is broken by the high-speed spraying water flow or water droplets, and then the water inside the collection chamber 13 is discharged into the fixed box 19 through the second pump 18, and the sludge particles are filtered through the filter plate 21, and then the filtered sewage is re-discharged into the aeration tank 1 for aeration through the third pump 23. When it is necessary to clean the filtered material on the surface of the filter plate 21, the second screw 27 is unscrewed. Remove the baffle 26 from one side of the fixed box 19, take the filter plate 21 out of the fixed box 19, then unscrew the first screw 25 from the fixed block 22, remove the side plate 24 from one end of the filter plate 21, then clean the filter plate 21, then place the side plate 24 on one side of the fixed block 22, then screw one end of the first screw 25 into the fixed block 22 to fix the position of the side plate 24, then insert the filter plate 21 into the fixed box 19, and then fix the baffle 26 to one side of the fixed box 19 with the second screw 27.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An aeration reactor for wastewater treatment, comprising an aeration tank (1), characterized in that: The top of the aeration tank (1) is fixedly connected to a guide rail (2), one side of the guide rail (2) is slidably connected to a scraper (6), the bottom end of the scraper (6) extends into the interior of the aeration tank (1), a plurality of aeration heads (7) are installed at the bottom of the inner cavity of the aeration tank (1), an air supply pipe (8) is installed inside the aeration tank (1), the aeration heads (7) are all connected to the interior of the air supply pipe (8), one end of the air supply pipe (8) extends to the outside of the aeration tank (1), a collection box (9) is fixedly connected to one side of the aeration tank (1), a collection chamber (13) is provided inside the collection box (9), and the collection chamber (13) is provided inside the collection box (9). A collecting tank (12) is provided on one side of the collecting box (9), one end of the collecting tank (12) extends into the interior of the aeration tank (1), a water spray pipe (10) is fixedly connected to the top of the inner cavity of the collecting chamber (13), a plurality of water spray heads (11) are fixedly connected to the bottom of the water spray pipe (10), a first pump (14) is fixedly connected to one side of the collecting box (9), one end of the first pump (14) is fixedly connected to a connector (16), one side of the connector (16) is fixedly connected to a first switch valve (15), and one end of the first switch valve (15) extends into the interior of the aeration tank (1).

2. The aeration reactor for wastewater treatment according to claim 1, characterized in that: The other end of the connector (16) is fixedly connected to a second switch valve (17); a third pump (23) is fixedly connected inside the collection box (9) and located below the collection chamber (13); one end of the third pump (23) extends into the aeration tank (1); a second pump (18) is fixedly connected inside the collection box (9) and located between the collection chamber (13) and the third pump (23); one end of the second pump (18) extends into the collection chamber (13).

3. An aeration reactor for wastewater treatment according to claim 2, characterized in that: A fixed box (19) is fixedly connected inside the collecting box (9) and below the collecting chamber (13); one end of the fixed box (19) extends to the outside of the collecting box (9); the other end of the second pump (18) extends to the inside of the fixed box (19); and one end of the third pump (23) extends to the inside of the fixed box (19).

4. The aeration reactor for wastewater treatment according to claim 3, characterized in that: A baffle (26) is installed on one side of the fixed box (19) via a second screw (27); a drawer (20) is fixedly connected to one side of the baffle (26) and located inside the fixed box (19); a filter plate (21) is fixedly connected to the inside of the drawer (20).

5. The aeration reactor for wastewater treatment according to claim 4, characterized in that: A side plate (24) is placed at one end of the drawer (20), and a fixing block (22) is fixedly connected inside the drawer (20) and below the filter plate (21), and the side plate (24) and the fixing block (22) are fixedly connected via a first screw (25).

6. The aeration reactor for wastewater treatment according to claim 1, characterized in that: A lead screw (4) is rotatably connected inside the guide rail (2), a servo motor (3) is fixedly connected to one side of the guide rail (2), an output end of the servo motor (3) is fixedly connected to one end of the lead screw (4), a moving block (5) is threadedly connected to the outside of the lead screw (4), one end of the moving block (5) extends to the outside of the guide rail (2) and is fixedly connected to one side of the scraper (6), and a controller is installed on one side of the collection box (9).

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