Anti-pollution MBR flexible membrane system

Abstract

The utility model discloses an anti-pollution MBR (Membrane Biological Reactor) flexible membrane system which comprises a flexible membrane component, a sewage tank, a water tank and a water tank, the cleaning assembly comprises a supporting plate, a waterproof motor, a lead screw, a sliding block, a connecting rod, a supporting rod, a supporting frame and a brush, the supporting plate is fixedly connected to the bottom end of the interior of the sewage pool, the waterproof motor is fixedly connected to the outer side of the supporting plate, the lead screw is rotationally connected to the interior of the supporting plate, and the sliding block is in threaded connection to the outer surface of the lead screw; the lower end of the supporting rod is rotationally connected to the other end of the connecting rod. According to the utility model, the cleaning assembly is arranged, so that the problems that the outer surface of the conventional MBR flexible membrane is cleaned by using a backwashing and aerating device in order to prevent the membrane from being polluted, but the backwashing and aerating effects are limited and the flexible membrane needs to be taken down for cleaning regularly due to tight attachment of microorganisms are solved.

Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a fouling-resistant MBR flexible membrane system. Background Technology

[0002] MBR (Membrane Bioreactor) flexible membrane systems are a novel and highly efficient wastewater treatment technology that combines membrane separation technology with biological treatment. The core component of an MBR flexible membrane system is the flexible flat-sheet membrane module, which replaces the secondary sedimentation tank in the traditional activated sludge process for solid-liquid separation. During use, the MBR flexible membrane can become contaminated by microorganisms, causing it to lose its filtration capacity.

[0003] To prevent fouling, existing MBR flexible membranes typically use backwashing and aeration devices to clean their outer surface. However, due to the tight adhesion of microorganisms, the effectiveness of backwashing and aeration is limited, requiring the flexible membrane to be removed periodically for cleaning. Therefore, there is a need for a device that can easily clean microorganisms from the outer surface of the flexible membrane to increase its antifouling performance. Summary of the Invention

[0004] The purpose of this invention is to provide a fouling-resistant MBR flexible membrane system to solve the problem mentioned in the background art that existing MBR flexible membranes are usually cleaned with backwashing and aeration devices to prevent fouling. However, due to the tight adhesion of microorganisms, the effect of backwashing and aeration is limited, and the flexible membrane needs to be removed for cleaning periodically.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a fouling-resistant MBR flexible membrane system, comprising:

[0007] Flexible membrane module, the flexible membrane module including a wastewater tank;

[0008] The cleaning assembly includes a support plate, a waterproof motor, a lead screw, a slider, a connecting rod, a support rod, a support frame, and a brush. The support plate is fixedly connected to the bottom of the sewage tank, the waterproof motor is fixedly connected to the outside of the support plate, the lead screw is rotatably connected to the inside of the support plate, the slider is threadedly connected to the outer surface of the lead screw, one end of the connecting rod is rotatably connected to the upper end of the slider, the lower end of the support rod is rotatably connected to the other end of the connecting rod, the support frame is fixedly connected to the top of the support rod, and the brush is fixedly connected to the inside of the support frame.

[0009] Furthermore, the flexible membrane assembly also includes a fixing frame and a flexible membrane body. The fixing frame is fixedly connected to the upper part of the inside of the sewage tank, and the flexible membrane body is fixedly connected to the inside of the fixing frame.

[0010] Furthermore, the upper end of the support plate is provided with a sliding groove, and the lower end of the slider is slidably connected inside the sliding groove. One end of the lead screw passes through one side of the support plate and is fixedly connected to the output shaft of the waterproof motor.

[0011] Furthermore, the support frame is sleeved on the outer side of the flexible membrane body, and the outer end of the brush is in contact with the outer side of the flexible membrane body.

[0012] Furthermore, it also includes a movable component, which includes a first partition, a mounting bracket, a threaded rod, and a second partition. The first partition is fixedly connected to both sides of the fixed bracket, the mounting bracket is fixedly connected to the top of the fixed bracket, the threaded rod is slidably connected to the center of the mounting bracket, and the second partition is slidably connected to the inside of the mounting bracket.

[0013] Furthermore, the bottom end of the threaded rod is fixedly connected to the top end of the second partition, and corresponding filter holes are provided on the first and second partitions.

[0014] Compared with existing technologies, the advantages of this utility model are:

[0015] I. This utility model, by setting up a cleaning component, uses a waterproof motor to drive a lead screw to rotate, which in turn drives a slider to slide on the upper end of a support plate. The slider's movement causes a connecting rod to rotate, which in turn causes a support rod to move vertically upward. The movement of the support rod causes the support frame and brush to move vertically upward, allowing the brush to clean the microbial film on the outer surface of the flexible membrane. This results in a good cleaning effect and improves the anti-fouling ability of the flexible membrane.

[0016] Second, based on the first beneficial effect, by setting up an active component, the threaded rod is moved to drive the second partition to move inside the first partition, so that the filter holes of the first and second partitions are staggered, preventing larger impurities from entering the outside of the flexible membrane body, thereby avoiding the membrane pores of the flexible membrane body from being blocked by impurities. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is the front view of the present utility model;

[0019] Figure 2 This is a structural diagram of the flexible membrane module of this utility model;

[0020] Figure 3This is a structural diagram of the cleaning component of this utility model;

[0021] Figure 4 This is a structural diagram of the active component of this utility model.

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 11. Sewage tank; 12. Fixing frame; 13. Flexible membrane body; 21. Support plate; 22. Waterproof motor; 23. Lead screw; 24. Slider; 25. Connecting rod; 26. Support rod; 27. Support frame; 28. Brush; 31. First partition; 32. Mounting frame; 33. Threaded rod; 34. Second partition. Detailed Implementation

[0024] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0028] Please see Figure 1-3 As shown, this embodiment is a fouling-resistant MBR flexible membrane system, comprising:

[0029] Flexible membrane module, including wastewater tank 11;

[0030] The cleaning assembly includes a support plate 21, a waterproof motor 22, a lead screw 23, a slider 24, a connecting rod 25, a support rod 26, a support frame 27, and a brush 28. The support plate 21 is fixedly connected to the bottom of the sewage tank 11. The waterproof motor 22 is fixedly connected to the outside of the support plate 21. The lead screw 23 is rotatably connected to the inside of the support plate 21. The slider 24 is threadedly connected to the outer surface of the lead screw 23. One end of the connecting rod 25 is rotatably connected to the upper end of the slider 24. The lower end of the support rod 26 is rotatably connected to the other end of the connecting rod 25. The support frame 27 is fixedly connected to the top of the support rod 26. The brush 28 is fixedly connected to the inside of the support frame 27.

[0031] The support plate 21 is used to support the waterproof motor 22 and the lead screw 23. The waterproof motor 22 is used to drive the lead screw 23 to rotate. The lead screw 23 is used to drive the slider 24 to move in opposite directions. The slider 24 is used to drive the connecting rod 25 to rotate. The connecting rod 25 is used to support the support rod 26. The support rod 26 is used to support the support frame 27. The brush 28 is used to clean the outer surface of the flexible membrane body 13.

[0032] The flexible membrane assembly also includes a fixing frame 12 and a flexible membrane body 13. The fixing frame 12 is fixedly connected to the upper part of the sewage tank 11, and the flexible membrane body 13 is fixedly connected to the inside of the fixing frame 12.

[0033] The fixing frame 12 is used to fix the flexible membrane body 13.

[0034] The upper end of the support plate 21 is provided with a sliding groove, and the lower end of the slider 24 is slidably connected to the inside of the sliding groove. One end of the lead screw 23 passes through one side of the support plate 21 and is fixedly connected to the output shaft of the waterproof motor 22.

[0035] The lead screw 23 has opposite threaded structures on both sides of its outer surface, and the slider 24 can move horizontally along the groove.

[0036] The support frame 27 is sleeved on the outer side of the flexible membrane body 13, and the outer end of the brush 28 is in contact with the outer side of the flexible membrane body 13.

[0037] The brush 28 can move up and down reciprocally under the drive of the support frame 27.

[0038] Working principle: When it is necessary to clean the outer surface of the flexible membrane body 13, the waterproof motor 22 is started, which drives the lead screw 23 to rotate. The slider 24 on the outer surface of the lead screw 23 moves towards each other under the limit of the slide groove and the drive of the lead screw 23. The movement of the slider 24 drives the connecting rod 25 to rotate. The rotation of the connecting rod 25 drives the support rod 26 to move vertically upward. The support rod 26 then drives the support frame 27 to move upward, so that the support frame 27 can drive the brush 28 to clean the outer surface of the flexible membrane body 13.

[0039] Please see Figure 4 As shown, this embodiment, based on the above embodiment, further includes:

[0040] The movable component includes a first partition 31, a mounting bracket 32, a threaded rod 33, and a second partition 34. The first partition 31 is fixedly connected to both sides of the fixed bracket 12, the mounting bracket 32 ​​is fixedly connected to the top of the fixed bracket 12, the threaded rod 33 is slidably connected to the center of the mounting bracket 32, and the second partition 34 is slidably connected to the inside of the mounting bracket 32.

[0041] The first partition 31 and the second partition 34 are used for preliminary filtration of impurities, the mounting bracket 32 ​​is used to support the threaded rod 33, and the threaded rod 33 is used to support the second partition 34.

[0042] The bottom end of the threaded rod 33 is fixedly connected to the top end of the second partition 34, and corresponding filter holes are provided on the first partition 31 and the second partition 34.

[0043] The second partition 34 can move vertically inside the first partition 31.

[0044] Working principle: When treating sewage, by moving the threaded rod 33, the threaded rod 33 drives the second partition 34 to slide outside the first partition 31, so that the filter holes of the second partition 34 and the first partition 31 are staggered, thereby filtering impurities of different sizes according to actual needs. When cleaning the outer surface of the flexible membrane body 13, the filter holes of the second partition 34 and the first partition 31 are controlled to correspond, so as to prevent impurities on the outer surface of the flexible membrane body 13 from being unable to be discharged.

[0045] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0046] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A fouling resistant MBR flexible membrane system characterized in that, include: A flexible membrane module, the flexible membrane module including a wastewater tank (11). The cleaning assembly includes a support plate (21), a waterproof motor (22), a lead screw (23), a slider (24), a connecting rod (25), a support rod (26), a support frame (27), and a brush (28). The support plate (21) is fixedly connected to the bottom of the sewage tank (11), the waterproof motor (22) is fixedly connected to the outside of the support plate (21), the lead screw (23) is rotatably connected to the inside of the support plate (21), the slider (24) is threadedly connected to the outer surface of the lead screw (23), one end of the connecting rod (25) is rotatably connected to the upper end of the slider (24), the lower end of the support rod (26) is rotatably connected to the other end of the connecting rod (25), the support frame (27) is fixedly connected to the top of the support rod (26), and the brush (28) is fixedly connected to the inside of the support frame (27).

2. A fouling resistant MBR flexible membrane system according to claim 1, wherein, The flexible membrane assembly also includes a fixing frame (12) and a flexible membrane body (13). The fixing frame (12) is fixedly connected to the upper part of the sewage tank (11), and the flexible membrane body (13) is fixedly connected to the inside of the fixing frame (12).

3. A fouling resistant MBR flexible membrane system according to claim 1, wherein, The upper end of the support plate (21) is provided with a sliding groove, and the lower end of the slider (24) is slidably connected inside the sliding groove. One end of the lead screw (23) passes through one side of the support plate (21) and is fixedly connected to the output shaft of the waterproof motor (22).

4. A fouling resistant MBR flexible membrane system according to claim 1, wherein, The support frame (27) is sleeved on the outer side of the flexible membrane body (13), and the outer end of the brush (28) is in contact with the outer side of the flexible membrane body (13).

5. A fouling resistant MBR flexible membrane system according to claim 1, wherein, It also includes movable components, which include a first partition (31), a mounting bracket (32), a threaded rod (33), and a second partition (34). The first partition (31) is fixedly connected to both sides of the fixed bracket (12), the mounting bracket (32) is fixedly connected to the top of the fixed bracket (12), the threaded rod (33) is slidably connected to the center of the mounting bracket (32), and the second partition (34) is slidably connected to the inside of the mounting bracket (32).

6. A fouling resistant MBR flexible membrane system according to claim 5, wherein, The bottom end of the threaded rod (33) is fixedly connected to the top end of the second partition (34), and corresponding filter holes are provided on the first partition (31) and the second partition (34).

Images