Energy-saving MBR (Membrane Bioreactor) aeration device with large bubbles among membrane

Abstract

The utility model relates to the technical field of sewage treatment equipment, and discloses an energy-saving MBR (Membrane Biological Reactor) aeration device for large bubbles among membrane filaments, which comprises an MBR tank, first aeration components are arranged on two sides of an inner cavity of the MBR tank, each first aeration component comprises a dustproof box, an aeration fan is arranged in an inner cavity of each dustproof box, and an air outlet end of each aeration fan is communicated with a conveying pipe. According to the utility model, the first aeration assembly is arranged, so that sewage entering the MBR tank can be aerated, the aeration fan is used for pumping external air into the transverse pipe, then the aeration pipes are used for aeration, and meanwhile, the dustproof box can filter the air entering the aeration fan, so that the blockage of the aeration pipes caused by dust suction is reduced, and the aeration efficiency is improved. A filter plate can prevent impurities in the sewage from polluting the aeration pipe, the possibility of blockage is further reduced, the sewage can be stirred through the arrangement of a second aeration assembly, and the up-and-down rolling capacity of the sewage is improved, so that the sewage can be in better contact with air.

Description

Technical Field

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

[0002] In the field of sewage treatment and water resource reuse, MBR, also known as membrane bioreactor, is a new water treatment technology that combines a membrane separation unit with a biological treatment unit. According to the structure of the membrane, it can be divided into flat membrane, tubular membrane and hollow fiber membrane, etc. According to the pore size of the membrane, it can be divided into ultrafiltration membrane, microfiltration membrane, nanofiltration membrane, reverse osmosis membrane, etc.

[0003] For example, an MBR membrane aeration device provided by authorization number CN215249836U is fixedly installed in the MBR pool, comprising: an aeration fan, a gas main pipe and a plurality of gas branch pipes, the air inlet end of the gas main pipe is connected to the aeration fan, and the air outlet end is connected to the plurality of gas branch pipes; the gas branch pipes are hollow cylinders, which are vertically arranged side by side on the inner side of the MBR pool, and a plurality of aeration holes are opened on a side facing the inner side of the MBR pool, and an aeration plate is fixedly connected thereto, and both sides of the aeration plate are fixedly installed on the inner side of the MBR pool, and a plurality of through holes are evenly distributed thereon.

[0004] Existing sewage treatment equipment generally uses an aeration fan to directly pump air into the aeration pipe for aeration operations. There will be a lot of dust in the air. After long-term use, the aeration pipe will be blocked, affecting the aeration effect. At the same time, impurities in the sewage will also reversely affect the air outlet of the aeration pipe, which is also very easy to cause blockage. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an energy-saving membrane filament large bubble MBR aeration device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an energy-saving membrane filament large bubble MBR aeration device, comprising an MBR pool, both sides of the inner cavity of the MBR pool are provided with a first aeration component, the first aeration component comprises a dustproof box, the inner cavity of the dustproof box is provided with an aeration fan, the air outlet end of the aeration fan is connected with a conveying pipe, the other end of the conveying pipe is connected with a horizontal pipe, the bottom of the horizontal pipe is connected with an aeration pipe, and both sides of the inner cavity of the MBR pool are provided with filter plates;

[0007] A second aeration assembly is disposed at the bottom of the MBR pool. The second aeration assembly includes two motors. The output shafts of the two motors extend to the inner cavity of the MBR pool and are fixedly connected with stirring rods on both sides.

[0008] By adopting the above technical scheme, by setting up the first aeration component, the sewage entering the MBR pool can be aerated, wherein the aeration fan is used to pump external air into the horizontal pipe, and then aeration is performed by multiple aeration pipes. At the same time, the dustproof box can filter the air entering the aeration fan to reduce the blockage of the aeration pipe caused by dust inhalation, and the filter plate can prevent impurities in the sewage from polluting the aeration pipe, further reducing the possibility of blockage. Through the setting of the second aeration component, the sewage can be stirred and the up and down rolling ability of the sewage can be increased, so that it can better contact with the air. The cooperation of the two can improve the utilization efficiency of the air and the required oxygen supply, maintain an excellent contact environment in the reaction tank, and ensure that organic pollutants, oxygen, biofilm, water and other related substances are fully contacted and reacted.

[0009] Preferably, both sides of the inner surface and back of the MBR pool are provided with slide grooves, the inner cavity of the slide groove is slidably connected with a slider, and one end of the slider away from the slide groove is fixedly connected to the filter plate.

[0010] By adopting the above technical solution, the filter plate can be easily replaced and maintained.

[0011] Preferably, a handle is fixedly connected to the top of the filter plate, and the surface of the handle is provided with anti-slip patterns.

[0012] By adopting the above technical solution, the filter plate can be easily taken out and quickly disassembled and assembled.

[0013] Preferably, air inlets are provided on opposite sides of the two dustproof boxes, and L-shaped plates are fixedly connected to the top and bottom of the dustproof boxes on the side of the air inlet.

[0014] Preferably, dustproof nets are installed in the inner cavities of the upper and lower L-shaped plates, and handles are provided on the surfaces of the dustproof nets.

[0015] By adopting the above technical solution, the air entering the aeration fan can be filtered to reduce the blockage of the aeration pipe caused by dust inhalation. At the same time, it is also convenient to replace and maintain the dustproof net to ensure the filtering effect.

[0016] Preferably, the surface of the MBR pool is connected to a drain pipe, and a drain switch is provided on the top of the drain pipe.

[0017] By adopting the above technical solution, it is convenient to discharge the sewage from the MBR pool.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] The utility model can aerate the sewage entering the MBR pool by arranging the first aeration component, wherein the aeration fan is used to pump external air into the horizontal pipe, and then the aeration operation is performed by multiple aeration pipes, and at the same time, the dustproof box can filter the air entering the aeration fan to reduce the blockage of the aeration pipe caused by dust inhalation, and the filter plate can prevent impurities in the sewage from polluting the aeration pipe, further reducing the possibility of blockage, and through the arrangement of the second aeration component, the sewage can be stirred to increase the up and down rolling ability of the sewage, so that it can better contact with the air, and the cooperation of the two can improve the utilization efficiency of the air and the required oxygen supply, and can maintain an excellent contact environment in the reaction tank, and ensure that organic pollutants, oxygen, biofilm, water and other related substances are fully contacted and reacted. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 It is a cross-sectional view of the structure of the utility model;

[0022] Figure 3 It is a side view of the transverse pipe and the aeration pipe in the structure of the utility model;

[0023] Figure 4 The utility model structure Figure 2 A partial enlarged view of point A in the middle.

[0024] In the figure: 1. MBR pool; 2. first aeration component; 201. dustproof box; 202. aeration fan; 203. delivery pipe; 204. cross pipe; 205. aeration pipe; 206. filter plate; 3. second aeration component; 301. motor; 302. stirring rod; 4. slide; 5. slider; 6. handle; 7. air inlet; 8. L-shaped plate; 9. dustproof net; 10. handle; 11. drain pipe. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] See also Figure 1-4The energy-saving membrane filament large bubble MBR aeration device comprises an MBR pool 1, and a first aeration component 2 is arranged on both sides of the inner cavity of the MBR pool 1. The first aeration component 2 comprises a dustproof box 201, and an aeration fan 202 is arranged in the inner cavity of the dustproof box 201. The air outlet end of the aeration fan 202 is connected with a delivery pipe 203, and the other end of the delivery pipe 203 is connected with a transverse pipe 204, and the bottom of the transverse pipe 204 is connected with an aeration pipe 205. Filter plates 206 are arranged on both sides of the inner cavity of the MBR pool 1; a second aeration component 3 is arranged at the bottom of the MBR pool 1, and the second aeration component 3 comprises two motors 301, and the output shafts of the two motors 301 extend to the inner cavity of the MBR pool 1 and are fixedly connected with stirring rods 302 on both sides. By arranging the first aeration component 2, it is possible to control the air entering the MBR pool 1 is aerated, wherein the aeration fan 202 is used to pump external air into the horizontal pipe 204, and then aeration is performed by multiple aeration pipes 205. At the same time, the dustproof box 201 can filter the air entering the aeration fan 202 to reduce the blockage of the aeration pipe 205 caused by dust inhalation, and the filter plate 206 can prevent impurities in the sewage from polluting the aeration pipe 205, further reducing the possibility of blockage. Through the arrangement of the second aeration component 3, the sewage can be stirred to increase the up and down rolling ability of the sewage, so that it can better contact with the air. The cooperation of the two can improve the utilization efficiency of the air and the required oxygen supply, and can maintain an excellent contact environment in the reaction tank to ensure that organic pollutants, oxygen, biofilm, water and other related substances are fully contacted and reacted.

[0028] Embodiment 2:

[0029] See also Figure 1-4 The energy-saving membrane filament large bubble MBR aeration device comprises an MBR pool 1, and both sides of the inner cavity surface and the back of the MBR pool 1 are provided with a slide groove 4, and the inner cavity of the slide groove 4 is slidably connected with a slider 5, and the end of the slider 5 away from the slide groove 4 is fixedly connected to the filter plate 206, which can facilitate the replacement and maintenance of the filter plate 206, and the top of the filter plate 206 is fixedly connected with a handle 6, and the surface of the handle 6 is provided with anti-slip grooves, which can facilitate the removal of the filter plate 206 and realize rapid disassembly and assembly, and the two dustproof boxes 201 are provided with air inlet 7 on the opposite sides. The dustproof box 201 is located on the top and bottom of the air inlet 7, and is fixedly connected with an L-shaped plate 8. The inner cavities of the upper and lower L-shaped plates 8 are installed with dustproof nets 9. The surface of the dustproof net 9 is provided with a handle 10, which can filter the air entering the aeration fan 202 and reduce the blockage of the aeration pipe 205 caused by dust inhalation. At the same time, it is also convenient to replace and maintain the dustproof net 9 to ensure the filtering effect. The surface of the MBR pool 1 is connected with a drain pipe 11, and a drain switch is provided on the top of the drain pipe 11, which can facilitate the discharge of sewage from the MBR pool 1.

[0030] The principle of this embodiment is:

[0031] During use, after sewage is added into the MBR pool 1, the aeration fan 202 is started to pump external air into the transverse pipe 204, and then the air is transmitted to the multiple aeration pipes 205 through the delivery pipe 203 and the transverse pipe 204 for aeration operation. A dustproof net 9 is arranged on the outside of the dustproof box 201 to filter the air entering the aeration fan 202, thereby reducing the blockage of the aeration pipe 205 caused by dust inhalation, and the filter plate 206 can prevent impurities in the sewage from polluting the aeration pipe 205, further reducing the possibility of blockage. At the same time, the two motors 301 are started to drive the stirring rod 302 to rotate, which can stir the sewage and increase the up and down rolling ability of the sewage, so that it can better contact with the air. The cooperation of the two can improve the utilization efficiency of the air and the required oxygen supply, maintain the excellent contact environment in the reaction tank, and ensure that organic pollutants, oxygen, biofilm, water and other related substances are fully contacted and reacted.

[0032] In summary: the energy-saving membrane filament large bubble MBR aeration device, by setting the first aeration component 2, can aerate the sewage entering the MBR pool 1, wherein the aeration fan 202 is used to pump external air into the horizontal pipe 204, and then the aeration operation is performed by multiple aeration pipes 205. At the same time, the dustproof box 201 can filter the air entering the aeration fan 202, and reduce the blockage of the aeration pipe 205 caused by dust inhalation, and the filter plate 206 can prevent impurities in the sewage from polluting the aeration pipe 205, further reducing the possibility of blockage. Through the setting of the second aeration component 3, the sewage can be stirred, and the up and down rolling ability of the sewage can be increased, so that it can better contact with the air. The cooperation of the two can improve the utilization efficiency of the air and the required oxygen supply, and can maintain an excellent contact environment in the reaction tank to ensure that organic pollutants, oxygen, biofilm, water and other related substances are fully contacted and reacted.

[0033] The standard parts used in this application document can all be purchased from the market and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented through simple programming by technicians in this field, which is common knowledge in the field. This application is mainly used to protect mechanical devices, so this application no longer explains the control method and circuit connection in detail.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving membrane fiber large bubble MBR aeration device, comprising an MBR tank (1), characterized in that: A first aeration assembly (2) is arranged on both sides of the inner cavity of the MBR tank (1), the first aeration assembly (2) comprises a dustproof box (201), an aeration fan (202) is arranged in the inner cavity of the dustproof box (201), an air outlet end of the aeration fan (202) is connected to a delivery pipe (203), the other end of the delivery pipe (203) is connected to a transverse pipe (204), the bottom of the transverse pipe (204) is connected to an aeration pipe (205), and filter plates (206) are arranged on both sides of the inner cavity of the MBR tank (1); A second aeration assembly (3) is arranged at the bottom of the MBR tank (1), and the second aeration assembly (3) comprises two motors (301). The output shafts of the two motors (301) extend into the inner cavity of the MBR tank (1) and are fixedly connected with stirring rods (302) on both sides.

2. The energy-saving membrane fiber large bubble MBR aeration device according to claim 1 is characterized in that: The MBR tank (1) is provided with a slide groove (4) on both sides of the inner surface and the back side, the inner cavity of the slide groove (4) is slidably connected to a slider (5), and the end of the slider (5) away from the slide groove (4) is fixedly connected to the filter plate (206).

3. The energy-saving membrane fiber large bubble MBR aeration device according to claim 1 is characterized in that: A handle (6) is fixedly connected to the top of the filter plate (206), and a surface of the handle (6) is provided with anti-slip grooves.

4. The energy-saving membrane fiber large bubble MBR aeration device according to claim 1 is characterized in that: An air inlet (7) is provided on the opposite sides of the two dustproof boxes (201), and an L-shaped plate (8) is fixedly connected to the top and bottom of the dustproof box (201) on the side of the air inlet (7).

5. The energy-saving membrane fiber large bubble MBR aeration device according to claim 4 is characterized in that: The inner cavities of the upper and lower L-shaped plates (8) are provided with dustproof nets (9), and the surfaces of the dustproof nets (9) are provided with handles (10).

6. The energy-saving membrane fiber large bubble MBR aeration device according to claim 1 is characterized in that: The surface of the MBR pool (1) is connected to a drainage pipe (11), and a drainage switch is provided on the top of the drainage pipe (11).

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