MBR membrane sewage treatment device

Abstract

The utility model relates to the field of sewage treatment, and particularly discloses an MBR (Membrane Biological Reactor) membrane sewage treatment device which comprises a biological filter tank and an ultrasonic cleaning tank, an ultrasonic cleaning tank is arranged beside the biological filter tank, supporting columns are arranged outside the biological filter tank and the ultrasonic cleaning tank, a top frame is arranged at the tops of the supporting columns, the top frame is arranged at the tops of the biological filter tank and the ultrasonic cleaning tank, open holes are formed in the two sides of the top frame, and a driving motor is arranged outside one side of the top frame; the driving motor is fixed on the side surface of the top frame, a rotating rod is arranged on the driving motor, the rotating rod penetrates through holes in the two sides of the top frame, a moving plate is arranged on the rotating rod, a telescopic device is arranged on the moving plate, a biological membrane filtering device is arranged at the bottom of the moving plate, and the top of the biological membrane filtering device is connected to the telescopic device; according to the device provided by the utility model, sewage is treated through the MBR membrane filter pipe, the device is driven to move through the driving motor, and the MBR membrane filter pipe is cleaned through ultrasonic waves.

Description

Technical Field

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

[0002] MBR stands for Membrane Bioreactor, a device that combines a membrane separation unit with a biological treatment unit. The most important component of MBR membrane wastewater treatment is the membrane assembly, which can be constructed in a variety of ways. Its principle is to achieve solid-liquid separation through micropores, separating suspended solids, biological sludge, and bacteria produced in the bioreactor to produce purified water.

[0003] In the existing MBR membrane sewage treatment device, after purifying sewage, a large amount of filtered substances adhere to the surface of the MBR membrane, which causes the MBR membrane surface to be blocked, thereby affecting the MBR membrane filtration efficiency. Therefore, an MBR membrane sewage treatment device is proposed. Utility Model Content

[0004] The purpose of the utility model is to provide an MBR membrane sewage treatment device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an MBR membrane sewage treatment device, comprising a biological filter and an ultrasonic cleaning tank; an ultrasonic cleaning tank is arranged next to the biological filter, and support columns are arranged outside the biological filter and the ultrasonic cleaning tank, and a top frame is arranged on the top of the support column, and the top frame is arranged on the top of the biological filter and the ultrasonic cleaning tank, and openings are arranged on both sides of the top frame. A driving motor is arranged on the outside of one side of the top frame, and the driving motor is fixed on the side of the top frame. A rotating rod is arranged on the driving motor, and the rotating rod passes through the openings on both sides of the top frame. A movable plate is arranged on the rotating rod, and a telescopic device is arranged on the movable plate. A biofilm filtration device is arranged at the bottom of the movable plate, and the top of the biofilm filtration device is connected to the telescopic device.

[0006] Preferably, a screw groove is provided on the movable plate, a thread is provided on the rotating rod, the rotating rod passes through the screw groove, and the rotating rod rotates to drive the movable plate to move.

[0007] Preferably, an air pump is provided on the telescopic device, and the air pump is arranged on the top of the movable plate. A telescopic rod is provided on the telescopic device, the top of the telescopic rod passes through the movable plate to connect to the air pump, and the bottom of the telescopic rod is connected to the biofilm filtration device. The air pump drives the telescopic rod to move up and down, thereby driving the biofilm filtration device to move up and down.

[0008] Preferably, the biofilm filtration device is provided with a pipe top plate, the top of the pipe top plate is connected to a telescopic device, a plurality of MBR membrane filter tubes are provided on the bottom of the pipe top plate, a suction pipe is provided on the side of the pipe top plate, the suction pipe is connected to an external water pump, the top of the MBR membrane filter tube is connected to the suction pipe, the MBR membrane filter tube filters the sewage inside the biological filter tank, the filtered water enters the interior of the MBR membrane filter tube, and the clean water in the MBR membrane filter tube is sucked out through the suction pipe.

[0009] Preferably, an ultrasonic generator is provided on the side of the ultrasonic cleaning pool, and a sewage pipe is provided outside the bottom side of the ultrasonic cleaning pool. A valve is provided on the sewage pipe, and the sewage pipe discharges impurities and sewage inside the ultrasonic cleaning pool.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: sewage is filtered by the biofilm filtration device, and the filtered water enters the pumping pipe through the MBR membrane filter tube and is then pumped out; the biofilm filtration device can be driven up and down by the telescopic device, and the movable plate can be driven to move by the rotating rod driven by the driving motor; the biofilm filtration device enters the ultrasonic cleaning tank and is cleaned by the ultrasonic generator. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a schematic structural diagram of the biofilm filtration device of the present utility model;

[0013] Numbers in the figure: 1. Biofilter; 11. Ultrasonic cleaning tank; 12. Support column; 13. Top frame; 2. Driving motor; 21. Rotating rod; 22. Moving plate; 221. Screw groove; 3. Telescopic device; 31. Telescopic rod; 4. Biofilm filtration device; 41. MBR membrane filter tube; 42. Pumping pipe; 5. Ultrasonic generator. DETAILED DESCRIPTION

[0014] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. It is obvious that the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0015] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0016] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0017] See also Figure 1-2 The utility model provides a technical solution: an MBR membrane sewage treatment device, comprising a biological filter 1 and an ultrasonic cleaning pool 11; an ultrasonic cleaning pool 11 is arranged next to the biological filter 1, and a support column 12 is arranged outside the biological filter 1 and the ultrasonic cleaning pool 11, and a top frame 13 is arranged on the top of the support column 12, and the top frame 13 is arranged on the top of the biological filter 1 and the ultrasonic cleaning pool 11, and openings are arranged on both sides of the top frame 13. A driving motor 2 is arranged on the outside of one side of the top frame 13, and the driving motor 2 is fixed on the side surface of the top frame 13. A rotating rod 21 is provided on the driving motor 2, and the rotating rod 21 passes through the openings on both sides of the top frame 13, and a movable plate 22 is provided on the rotating rod 21, and a telescopic device 3 is provided on the movable plate 22. A biofilm filtration device 4 is provided at the bottom position of the movable plate 22, and the top of the biofilm filtration device 4 is connected to the telescopic device 3.

[0018] Furthermore, a screw groove 221 is provided on the movable plate 22 , and a thread is provided on the rotating rod 21 . The rotating rod 21 passes through the screw groove 221 , and the rotating rod 21 rotates to drive the movable plate 22 to move.

[0019] Furthermore, an air pump is provided on the telescopic device 3, and the air pump is arranged on the top of the movable plate 22. A telescopic rod 31 is provided on the telescopic device 3. The top of the telescopic rod 31 passes through the movable plate 22 to connect to the air pump, and the bottom of the telescopic rod 31 is connected to the biofilm filtration device 4. The air pump drives the telescopic rod 31 to move up and down, thereby driving the biofilm filtration device 4 to move up and down.

[0020] Furthermore, a pipe top plate is provided on the biofilm filtration device 4, the top of the pipe top plate is connected to the telescopic device 3, a plurality of MBR membrane filter tubes 41 are provided on the bottom of the pipe top plate, a pumping pipe 42 is provided on the side of the pipe top plate, the pumping pipe 42 is connected to an external water pump, and the top of the MBR membrane filter tube 41 is connected to the pumping pipe 42. The MBR membrane filter tube 41 filters the sewage inside the biological filter tank 1, and the filtered water enters the interior of the MBR membrane filter tube 41, and the clean water in the MBR membrane filter tube 41 is sucked out through the pumping pipe 42.

[0021] Furthermore, an ultrasonic generator 5 is provided on the side of the ultrasonic cleaning pool 11 , and a sewage pipe is provided on the outside of the bottom side of the ultrasonic cleaning pool 11 . A valve is provided on the sewage pipe to discharge impurities and sewage inside the ultrasonic cleaning pool 11 .

[0022] Working principle: The sewage inside the biological filter tank 1 is filtered through the MBR membrane filter tube 41, and the filtered water is pumped out through the pumping pipe 42. When the outside of the MBR membrane filter tube 41 is clogged with accumulation, the telescopic device 3 drives the biofilm filter device 4 to move upward through the telescopic rod 31, and then drives the rotating rod 21 to rotate through the drive motor 2, thereby driving the moving plate 22 to move, and moving the biofilm filter device 4 to the top of the ultrasonic cleaning pool 11. The telescopic device 3 puts the biofilm filter device 4 into the ultrasonic cleaning pool 11, and cleans the MBR membrane filter tube 41 inside the ultrasonic cleaning pool 11 through the ultrasonic generator 5. The sewage generated after cleaning is discharged through the sewage pipe.

[0023] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An MBR membrane sewage treatment device, characterized by: The invention comprises a biological filter (1) and an ultrasonic cleaning pool (11); the ultrasonic cleaning pool (11) is arranged beside the biological filter (1); support columns (12) are arranged outside the biological filter (1) and the ultrasonic cleaning pool (11); a top frame (13) is arranged on the top of the support column (12); the top frame (13) is arranged on the top of the biological filter (1) and the ultrasonic cleaning pool (11); openings are arranged on both sides of the top frame (13); and a top frame (13) is arranged on the outside of one side. A driving motor (2) is provided, the driving motor (2) is fixed on the side of the top frame (13), a rotating rod (21) is provided on the driving motor (2), the rotating rod (21) passes through openings on both sides of the top frame (13), a moving plate (22) is provided on the rotating rod (21), a telescopic device (3) is provided on the moving plate (22), a biofilm filter device (4) is provided at the bottom position of the moving plate (22), and the top of the biofilm filter device (4) is connected to the telescopic device (3).

2. The MBR membrane sewage treatment device according to claim 1, characterized in that: The movable plate (22) is provided with a screw groove (221), the rotating rod (21) is provided with a thread, and the rotating rod (21) passes through the screw groove (221).

3. The MBR membrane sewage treatment device according to claim 1, characterized in that: The telescopic device (3) is provided with an air pump, which is arranged on the top of the movable plate (22). The telescopic device (3) is provided with a telescopic rod (31), the top of the telescopic rod (31) passes through the movable plate (22) and is connected to the air pump, and the bottom of the telescopic rod (31) is connected to the biofilm filtration device (4).

4. The MBR membrane sewage treatment device according to claim 1, characterized in that: The biofilm filtration device (4) is provided with a pipe top plate, the top of the pipe top plate is connected to the telescopic device (3), a plurality of MBR membrane filtration tubes (41) are provided on the bottom of the pipe top plate, a water pumping pipe (42) is provided on the side of the pipe top plate, the water pumping pipe (42) is connected to an external water pump, and the top of the MBR membrane filtration tube (41) is connected to the water pumping pipe (42).

5. The MBR membrane sewage treatment device according to claim 1, characterized in that: An ultrasonic generator (5) is provided on the side of the ultrasonic cleaning pool (11), and a sewage pipe is provided on the outside of the bottom side of the ultrasonic cleaning pool (11), and a valve is provided on the sewage pipe.

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