MBR membrane aeration device

Abstract

The utility model discloses an MBR (Membrane Biological Reactor) membrane aeration device which comprises a gas transmission header pipe, a fan is arranged at the top of the gas transmission header pipe, a plurality of gas transmission branch pipes are arranged at the bottom of the gas transmission header pipe, a plurality of aeration holes are formed in the gas transmission branch pipes, a mounting groove is formed in the top of the inner side of each aeration hole, and a mounting ring is arranged above the mounting groove. A mounting ring is arranged on the outer side of the aeration hole, a blocking net is arranged on the inner side of the mounting ring, a mounting shaft is arranged in the aeration hole, a mounting plate is arranged on the mounting shaft, and a cleaning assembly is arranged on the outer side of the mounting plate. After the blocking net sinks, the cleaning block is in contact with the blocking net, namely, the bottom of the blocking net is beaten, so that sludge on the blocking net is raised, and blockage is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment equipment, in particular to an MBR membrane aeration device. Background Art

[0002] MBR wastewater treatment is a common method for modern wastewater treatment. It utilizes membrane bioreactor technology, a novel technology that combines biological treatment with membrane separation. It replaces the secondary sedimentation tank used in traditional processes. It efficiently separates solids from liquids, producing stable, reclaimed water for immediate use. It also maintains a high concentration of microorganisms within the bioreactor, minimizing excess sludge, effectively removing ammonia and nitrogen, and reducing effluent suspended solids and turbidity to near-zero levels. Bacteria and viruses are significantly removed from the effluent, while also requiring minimal energy consumption and floor space. Aeration is required to ensure the proper operation of the MBR.

[0003] Most MBR membrane aeration devices use aeration holes evenly distributed at the bottom of the membrane assembly, and use fan aeration to form an upward airflow to increase the turbulence of the mixed liquid to achieve the purpose of sludge removal and membrane pollution control. However, after the current aeration device has been used for a period of time, sludge will appear in the aeration branch pipes and aeration holes, which will cause the aeration effect to be weakened, thereby affecting the use of the MBR membrane. Utility Model Content

[0004] The purpose of the present invention is to provide an MBR membrane aeration device to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] An MBR membrane aeration device includes a gas main pipe, a fan is provided at the top of the gas main pipe, a plurality of gas branch pipes are provided at the bottom of the gas main pipe, a plurality of aeration holes are provided on the gas branch pipes, a mounting groove is provided at the top inside the aeration hole, a mounting ring is provided above the mounting groove, a blocking net is provided on the inside of the mounting ring, a mounting shaft is provided inside the aeration hole, a mounting plate is provided on the mounting shaft, a cleaning assembly is provided on the outside of the mounting plate, and the cleaning assembly is used to clean the sludge on the blocking net.

[0007] In a preferred embodiment of the present invention, a first spring is provided at the bottom of the mounting ring, and the first spring is connected to the inner bottom of the mounting groove.

[0008] In a preferred embodiment of the present invention, first limiting blocks are provided on both sides of the mounting ring, first limiting grooves are provided on both sides inside the mounting groove, and the first limiting blocks are slidably connected to the first limiting grooves.

[0009] In a preferred embodiment of the present invention, mounting bolts are provided on both sides of the mounting shaft, mounting openings are provided on both sides inside the aeration hole, and the mounting bolts are movably installed in the mounting openings.

[0010] In a preferred embodiment of the present invention, an axial groove is provided on the outer side of the mounting bolt and the inner side of the mounting opening, and a ball is provided inside the axial groove, and the ball rolls on the axial groove.

[0011] In a preferred embodiment of the present invention, the cleaning assembly includes a mounting hole, and a cleaning block is provided inside the mounting hole.

[0012] In a preferred embodiment of the present invention, a second spring is provided behind the cleaning block, and the second spring is connected to the rear side of the interior of the mounting hole.

[0013] In a preferred embodiment of the present invention, second limiting grooves are provided on both sides of the interior of the mounting hole, second limiting blocks are provided on both sides of the cleaning block, and the second limiting blocks are slidably connected to the second limiting grooves.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention.

[0015] Beneficial effect: When sludge accumulates on the blocking net, the blocking net will sink, and the first spring will contract, and the mounting ring will move downward. When the fan is started, the wind will push the mounting plate, thereby rotating the mounting shaft, which will drive the cleaning block to rotate. After the blocking net sinks, the cleaning block will contact the blocking net, that is, it will slap the bottom of the blocking net, thereby lifting the sludge on the blocking net, thereby effectively avoiding blockage. When there is no sludge on the blocking net, it will not sink, that is, it will not contact the cleaning block.

[0016] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the description, the following is a detailed description of the preferred embodiments of the present invention with the accompanying drawings. The specific implementation methods of the present invention are given in detail in the following embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0018] Figure 1 This is a schematic diagram of the main structure of an MBR membrane aeration device;

[0019] Figure 2 This is a schematic diagram of the internal structure of the aeration holes in an MBR membrane aeration device;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the aeration holes in an MBR membrane aeration device;

[0021] Figure 4 This is a schematic diagram of the cleaning component structure in an MBR membrane aeration device.

[0022] In the figure: 1. Gas main pipe; 11. Fan; 12. Gas branch pipe; 13. Aeration hole; 14. Mounting groove; 2. Mounting ring; 21. First limit block; 22. Blocking net; 23. First limit groove; 24. First spring; 3. Mounting shaft; 31. Mounting bolt; 32. Mounting port; 33. Shaft groove; 34. Ball bearing; 4. Mounting plate; 41. Mounting hole; 42. Second limit block; 43. Second limit groove; 44. Cleaning block; 45. Second spring. DETAILED DESCRIPTION

[0023] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0024] Please refer to Figures 1-4 The utility model provides an MBR membrane aeration device, including a gas main pipe 1, a fan 11 at the top of the gas main pipe 1, a plurality of gas branch pipes 12 at the bottom of the gas main pipe 1, and a plurality of aeration holes 13 on the gas branch pipes 12. The gas main pipe 1, the fan 11, the gas branch pipes 12, and the aeration holes 13 are the main structure of the aeration device, that is, by starting the fan 11, the gas main pipe 1 and the gas branch pipes 12 transmit wind power, that is, transmit it to the aeration holes 13, thereby aerating the MBR membrane. A mounting groove 14 is provided on the top inner side of the aeration hole 13. The mounting groove 14 is a mounting structure for mounting other structures. A mounting ring 2 is provided above the mounting groove 14, and a blocking net 22 is provided on the inner side of the mounting ring 2. The mounting ring 2 is a mounting structure and is mounted on the top inner side of the mounting groove 14. The blocking net 22 is used to block sludge in the water to prevent sludge from entering the aeration hole 13 and causing blockage.

[0025] The bottom of the mounting ring 2 is provided with a first spring 24 connected to the inside bottom of the mounting groove 14, that is, the first spring 24 supports the installation of the mounting ring 2, and just supports the mounting ring 2 on the inside top of the mounting groove 14. The blocking net 22 is made of flexible material, which will sink when the sludge is accumulated inside. When the sludge in the inside of the blocking net 22 is too much, the weight will be transmitted to the first spring 24 through the mounting ring 2, so that the first spring 24 contracts, and the mounting ring 2 moves downward. The two sides of the mounting ring 2 are provided with first limiting blocks 21, and the inside of the mounting groove 14 is provided with first limiting grooves 23. The first limiting blocks 21 and the first limiting grooves 23 are in sliding connection, and the first limiting blocks 21 are limited by the first limiting grooves 23, so that the mounting ring 2 remains stable when it expands and contracts.

[0026] The inside of the aeration hole 13 is provided with a mounting shaft 3, which is a mounting structure. The two sides of the mounting shaft 3 are provided with mounting bolts 31, and the inside of the aeration hole 13 is provided with mounting holes 32. The mounting bolts 31 are movably mounted in the mounting holes 32, that is, the mounting bolts 31 are clamped in the mounting holes 32 and can rotate. The outside of the mounting bolt 31 and the inside of the mounting hole 32 are provided with shaft grooves 33, and the inside of the shaft groove 33 is provided with a ball 34. The ball 34 rolls on the shaft groove 33 and is supported on the side of the mounting bolt 31 and the mounting hole 32, so that it rotates more smoothly. The mounting shaft 3 is provided with a mounting plate 4. When the fan 11 starts, the wind will push the mounting plate 4, so that the mounting shaft 3 rotates.

[0027] The outside of the mounting plate 4 is provided with a cleaning assembly for cleaning the sludge on the blocking net 22. The cleaning assembly includes a mounting hole 41, which is a mounting structure. The inside of the mounting hole 41 is provided with a cleaning block 44, and the top of the cleaning block 44 is outside the mounting hole 41. When the mounting shaft 3 rotates, the cleaning block 44 rotates. After the blocking net 22 sinks, the cleaning block 44 will contact the blocking net 22, that is, it will hit the bottom of the blocking net 22, so that the sludge on the blocking net 22 is lifted, thereby effectively preventing blockage. When there is no sludge on the blocking net 22, it will not sink and will not contact the cleaning block 44. The rear of the cleaning block 44 is provided with a second spring 45 connected to the inside rear of the mounting hole 41. When the cleaning block 44 touches a hard object, the cleaning block 44 will contract through the second spring 45, so as to avoid the cleaning block 44 being stuck. The inside of the mounting hole 41 is provided with a second limiting groove 43, and the two sides of the cleaning block 44 are provided with a second limiting block 42. The second limiting block 42 and the second limiting groove 43 are in sliding connection, and the second limiting block 42 is limited by the second limiting groove 43, so that the cleaning block 44 remains stable when it slides.

[0028] The working principle of the present invention is as follows: when the device is used, the sludge in the water is blocked by the blocking net 22 to prevent the sludge from entering the aeration hole 13 and causing blockage. When sludge accumulates on the blocking net 22, the blocking net 22 will sink, and when there is too much sludge inside the blocking net 22, the weight will be transferred to the first spring 24 through the mounting ring 2, thereby contracting the first spring 24 and moving the mounting ring 2 downward. When the fan 11 is started, the wind force will push the mounting plate 4, thereby rotating the mounting shaft 3, and the ball 34 is supported on the mounting bolt 31 and the mounting bolt 31. The mounting port 32 is connected to the side, so that the rotation is smoother. When the mounting shaft 3 rotates, the cleaning block 44 is driven to rotate. After the blocking net 22 sinks, the cleaning block 44 will contact the blocking net 22, that is, it will slap the bottom of the blocking net 22, so that the sludge on the blocking net 22 is lifted, thereby effectively avoiding blockage. When there is no sludge on the blocking net 22, it will not sink, that is, it will not contact the cleaning block 44. When the cleaning block 44 touches a harder object, the cleaning block 44 will be contracted by the second spring 45, thereby avoiding the cleaning block 44 from getting stuck.

[0029] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An MBR membrane aeration device, comprising a gas main pipe (1), characterized in that: The top of the gas main pipe (1) includes a fan (11), the bottom of the gas main pipe (1) is provided with a plurality of gas branch pipes (12), the gas branch pipes (12) are provided with a plurality of aeration holes (13), the top of the inner side of the aeration hole (13) is provided with a mounting groove (14), the top of the mounting groove (14) is provided with a mounting ring (2), the inner side of the mounting ring (2) is provided with a blocking net (22), the inside of the aeration hole (13) is provided with a mounting shaft (3), the mounting shaft (3) is provided with a mounting plate (4), the outer side of the mounting plate (4) is provided with a cleaning component, and the cleaning component is used to clean the sludge on the blocking net (22).

2. The MBR membrane aeration device according to claim 1, characterized in that: A first spring (24) is provided at the bottom of the mounting ring (2), and the first spring (24) is connected to the inner bottom of the mounting groove (14).

3. The MBR membrane aeration device according to claim 1, characterized in that: First limiting blocks (21) are provided on both sides of the mounting ring (2), first limiting grooves (23) are provided on both sides inside the mounting groove (14), and the first limiting blocks (21) are slidably connected to the first limiting grooves (23).

4. The MBR membrane aeration device according to claim 1, characterized in that: Mounting bolts (31) are provided on both sides of the mounting shaft (3), mounting openings (32) are provided on both sides inside the aeration hole (13), and the mounting bolts (31) are movably mounted in the mounting openings (32).

5. The MBR membrane aeration device according to claim 4, characterized in that: An axial groove (33) is provided on the outside of the mounting bolt (31) and the inside of the mounting opening (32), and a ball (34) is provided inside the axial groove (33), and the ball (34) rolls on the axial groove (33).

6. The MBR membrane aeration device according to claim 1, characterized in that: The cleaning assembly comprises a mounting hole (41), and a cleaning block (44) is provided inside the mounting hole (41).

7. The MBR membrane aeration device according to claim 6, characterized in that: A second spring (45) is provided at the rear of the cleaning block (44), and the second spring (45) is connected to the rear side of the interior of the mounting hole (41).

8. The MBR membrane aeration device according to claim 6, characterized in that: Second limiting grooves (43) are provided on both sides of the interior of the mounting hole (41), and second limiting blocks (42) are provided on both sides of the cleaning block (44), and the second limiting blocks (42) are slidably connected to the second limiting grooves (43).

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