MBR membrane purification device facilitating dredging

By introducing a drive motor and gear screw system into the MBR membrane purification unit, uniform movement of the MBR membrane module and sludge cleaning are achieved, solving the problem of MBR membrane module clogging and improving sludge removal efficiency and service life.

CN224299019UActive Publication Date: 2026-05-29CHONGQING HUIHUAN ENVIRONMENTAL PROTECTION TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHONGQING HUIHUAN ENVIRONMENTAL PROTECTION TECH CO LTD
Filing Date
2025-05-15
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing MBR membrane purification devices are prone to sludge accumulation after prolonged use, leading to blockage and affecting performance.

Method used

An MBR membrane purification device was designed, comprising an evolution tank, a moving component, and a support frame. The device uses a drive motor to power a gear and screw system, which in turn causes the support frame to move the MBR membrane module at a constant speed within the evolution tank. Cleaning agent is then introduced through the treatment liquid inlet pipe to remove sludge.

Benefits of technology

It enables convenient disassembly and sludge cleaning of MBR membrane modules, extends the service life of membrane modules, and improves cleaning efficiency and operational flexibility.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a MBR membrane purification device convenient to dredge relates to the technical field of evolution device, including the evolution pond, the top of evolution pond is provided with the top cover, one side of evolution pond is provided with sewage inlet pipe and treatment liquid inlet pipe, and the other side of evolution pond is provided with the water pipe, the inside of evolution pond is provided with mobile subassembly, and mobile subassembly includes the mounting frame, the middle of mounting frame is provided with the screw rod, and one end of screw rod is provided with the driven gear and the driving gear, the top of driving gear is provided with the drive motor, the outside of screw rod is provided with the sliding block, and the bottom of sliding block is provided with the connecting rod. The utility model discloses the drive motor drive driving gear, driven gear and screw rod are rotated to make the sliding block drive connecting rod and bearing frame along the screw rod reciprocating motion, thereby making bearing frame drive MBR membrane group inside the evolution pond and make the uniform motion, thereby conveniently cleaning the sludge on MBR membrane group.
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Description

Technical Field

[0001] This utility model relates to the field of purification device technology, and in particular to an MBR membrane purification device that is easy to clean. Background Technology

[0002] Wastewater treatment is the process of purifying wastewater to meet the water quality requirements for discharge into a water body or for reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscaping, medical care, and catering, and is increasingly entering the daily lives of ordinary people. MBR membrane modules, also known as membrane bioreactors, are a new type of water treatment technology that combines membrane separation units with biological treatment units. It utilizes the high-efficiency retention performance of membrane separation components to perform solid-liquid separation, and is also known as membrane separation activated sludge process.

[0003] After prolonged use, existing MBR membrane purification devices tend to accumulate large amounts of sludge on the MBR membrane modules, which can easily clog them and affect their performance. Therefore, there is a need to provide MBR membrane purification devices that are easy to clean to solve the above problems. Utility Model Content

[0004] The main objective of this invention is to provide an MBR membrane purification device that facilitates sludge removal, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] An MBR membrane purification device that is easy to clean includes an effluent purification tank. The top of the effluent purification tank is provided with a top cover. A sewage inlet pipe and a treatment liquid inlet pipe are provided on one side of the effluent purification tank, and an outlet pipe is provided on the other side of the effluent purification tank. A movable component is provided inside the effluent purification tank.

[0007] The movable component includes a mounting frame, a lead screw is provided in the middle of the mounting frame, a driven gear and a driving gear are provided at one end of the lead screw, a drive motor is provided at the top of the driving gear, a sliding block is provided outside the lead screw, and a connecting rod is provided at the bottom of the sliding block.

[0008] The mobile component also includes a carrier frame, in which the MBR membrane module, mounting bracket and limiting block are disposed in the middle.

[0009] Preferably, the top of the mounting frame is connected to the top of the top cover by bolts, and there are two mounting frames, which are symmetrically distributed on both sides of the bottom of the top cover. The side of the mounting frame is in contact with the inner side wall of the evolution pool, and a sliding groove is provided at the bottom of the mounting frame. A lead screw is installed in the middle of the sliding groove through a bearing.

[0010] Preferably, the two ends of the lead screw are connected to the inner walls of the two ends of the mounting frame, and the lead screw is correspondingly set with the mounting frame. A sliding block is sleeved on the outer wall of the lead screw, and the sliding block is connected to the lead screw by a thread. There are two sliding blocks, which are symmetrically distributed at both ends of the lead screw.

[0011] Preferably, a connecting rod is bolted to the bottom of the sliding block, and a support frame is fixedly connected to the end of the connecting rod away from the sliding block. There are four connecting rods, which are symmetrically distributed on the top two sides of the support frame. The support frame is slidably connected inside the evolution pool, and the bottom of the support frame is in contact with the bottom of the evolution pool.

[0012] Preferably, a membrane module mounting frame is snapped into the middle of the support frame, and there are multiple membrane module mounting frames, which are evenly distributed inside the support frame. A limiting block is fixedly connected to one side of the top of the membrane module mounting frame, and there are two limiting blocks, which are symmetrically distributed on the top of both sides of the membrane module mounting frame. The bottom of the limiting block is in contact with the top of the support frame, and an MBR membrane module is installed in the middle of the membrane module mounting frame.

[0013] Preferably, a wastewater inlet pipe is installed in the middle of one side of the evolution tank, and an outlet pipe is installed on the side of the evolution tank away from the wastewater inlet pipe. Both the outlet pipe and the wastewater inlet pipe are connected to the interior of the evolution tank. The MBR membrane module is located between the outlet pipe and the wastewater inlet pipe. Two treatment liquid inlet pipes are installed on the side of the evolution tank closest to the wastewater inlet pipe, and the two treatment liquid inlet pipes are symmetrically distributed on both sides of the wastewater inlet pipe.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The MBR membrane module is supported by the membrane module mounting bracket and the carrier frame. The membrane module mounting bracket is snapped into the middle of the carrier frame, which facilitates the disassembly and positioning of the MBR membrane module and improves the flexibility of the MBR membrane module.

[0016] 2. The drive motor drives the active gear, driven gear and lead screw to rotate, causing the sliding block to drive the connecting rod and the bearing frame to reciprocate along the lead screw. This allows the bearing frame to drive the MBR membrane module to move at a constant speed inside the purification tank, which facilitates the cleaning of sludge on the MBR membrane module and extends the service life of the MBR membrane module. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of the device of this utility model;

[0018] Figure 2 This is a schematic diagram of the unfolded structure of the device of this utility model;

[0019] Figure 3This is a schematic diagram of the structure of the mobile component of this utility model;

[0020] Figure 4 This is a schematic diagram of the external structure of the MBR membrane module of this utility model.

[0021] In the diagram: 1. Evolution tank; 2. Top cover; 3. Wastewater inlet pipe; 4. Treatment liquid inlet pipe; 5. Outlet pipe; 6. Moving component; 7. Mounting frame; 8. Sliding groove; 9. Drive motor; 10. Driving gear; 11. Driven gear; 12. Lead screw; 13. Sliding block; 14. Connecting rod; 15. Bearing frame; 16. MBR membrane module; 17. Membrane module mounting bracket; 18. Limiting block. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] Please see Figure 1 , Figure 2 , Figure 3 As shown, an MBR membrane purification device that is easy to clean includes an effluent tank 1, a top cover 2 on the top of the effluent tank 1, a sewage inlet pipe 3 and a treatment liquid inlet pipe 4 on one side of the effluent tank 1, and an outlet pipe 5 on the other side of the effluent tank 1. A movable component 6 is installed inside the effluent tank 1. The sewage inlet pipe 3 is installed in the middle of one side of the effluent tank 1, and the outlet pipe 5 is installed on the side of the effluent tank 1 away from the sewage inlet pipe 3. Both the outlet pipe 5 and the sewage inlet pipe 3 are connected to the interior of the effluent tank 1. The MBR membrane module 16 is located between the outlet pipe 5 and the sewage inlet pipe 3. Two treatment liquid inlet pipes 4 are installed on the side of the effluent tank 1 closest to the sewage inlet pipe 3, and the two treatment liquid inlet pipes 4 are symmetrically distributed on both sides of the sewage inlet pipe 3.

[0024] The moving component 6 includes a mounting frame 7. A lead screw 12 is disposed in the middle of the mounting frame 7, and a driven gear 11 and a driving gear 10 are disposed at one end of the lead screw 12. A drive motor 9 is disposed on the top of the driving gear 10. A sliding block 13 is disposed on the outside of the lead screw 12, and a connecting rod 14 is disposed at the bottom of the sliding block 13. The top of the mounting frame 7 is connected to the top of the top cover 2 by bolts. There are two mounting frames 7, which are symmetrically distributed on both sides of the bottom of the top cover 2. The side of the mounting frame 7 contacts the inner side wall of the evolution pool 1, and a sliding groove 8 is formed at the bottom of the mounting frame 7. The middle of the sliding groove 8 is connected by... The bearing is equipped with a lead screw 12, the two ends of which are connected to the inner walls of the two ends of the mounting frame 7, and the lead screw 12 is correspondingly set with the mounting frame 7. A sliding block 13 is sleeved on the outer wall of the lead screw 12, and the sliding block 13 is connected to the lead screw 12 by a thread. There are two sliding blocks 13, which are symmetrically distributed at both ends of the lead screw 12. The MBR membrane module 16 is supported by the membrane module mounting bracket 17 and the bearing frame 15. The membrane module mounting bracket 17 is snapped into the middle of the bearing frame 15, which facilitates the disassembly and positioning of the MBR membrane module 16 and improves the flexibility of the MBR membrane module 16.

[0025] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the moving component 6 also includes a support frame 15. An MBR membrane module 16, a mounting bracket 17, and a limiting block 18 are disposed in the middle of the support frame 15. A connecting rod 14 is bolted to the bottom of the sliding block 13, and the end of the connecting rod 14 away from the sliding block 13 is fixedly connected to the support frame 15. There are four connecting rods 14, symmetrically distributed on both sides of the top of the support frame 15. The support frame 15 is slidably connected inside the evolution tank 1, and the bottom of the support frame 15 contacts the bottom of the evolution tank 1. A membrane module mounting bracket 17 is snapped into the middle of the support frame 15, and there are multiple membrane module mounting brackets 17, evenly distributed inside the support frame 15. The top of the membrane module mounting bracket 17... One side is fixedly connected to a limiting block 18, and there are two limiting blocks 18, which are symmetrically distributed on the top of both sides of the membrane module mounting frame 17. The bottom of the limiting block 18 is in contact with the top of the support frame 15. The MBR membrane module 16 is installed in the middle of the membrane module mounting frame 17. The drive motor 9 drives the drive gear 10, driven gear 11 and lead screw 12 to rotate, so that the sliding block 13 drives the connecting rod 14 and the support frame 15 to reciprocate along the lead screw 12. This allows the support frame 15 to drive the MBR membrane module 16 to move at a constant speed inside the purification tank 1, which facilitates the cleaning of sludge on the MBR membrane module 16 and extends the service life of the MBR membrane module 16.

[0026] It should be noted that this utility model is an MBR membrane purification device that facilitates sludge removal. During use, a cleaning agent is introduced into the purification tank 1 through the treatment liquid inlet pipe 4 to soak the MBR membrane module 16, thereby decomposing the dirt on the MBR membrane module 16. At the same time, the drive motor 9 drives the drive gear 10 to rotate. The drive gear 10 meshes with the driven gear 11, which in turn drives the lead screw 12 to rotate. A sliding block 13 is sleeved on the outside of the lead screw 12. The sliding block 13 drives the connecting rod 14 and the support frame 15 to reciprocate along the lead screw 12, causing the support frame 15 to move the MBR membrane module 16 at a uniform speed. During the movement, the MBR membrane module 16 separates the decomposed dirt, improving the cleaning effect. Meanwhile, the MBR membrane module 16 is engaged in the middle of the support frame 15 by the membrane module mounting bracket 17 and the limiting block 18, which facilitates the cleaning and disassembly of the MBR membrane module 16, further improving the ease of use of the device.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. An MBR membrane purification device that facilitates sludge removal, comprising a purification tank (1), characterized in that: The top of the evolution tank (1) is provided with a top cover (2), a sewage inlet pipe (3) and a treatment liquid inlet pipe (4) are provided on one side of the evolution tank (1), and an outlet pipe (5) is provided on the other side of the evolution tank (1). A moving component (6) is provided inside the evolution tank (1). The moving component (6) includes a mounting frame (7), a lead screw (12) is provided in the middle of the mounting frame (7), and a driven gear (11) and a driving gear (10) are provided at one end of the lead screw (12). A drive motor (9) is provided at the top of the driving gear (10), a sliding block (13) is provided outside the lead screw (12), and a connecting rod (14) is provided at the bottom of the sliding block (13). The moving component (6) also includes a support frame (15), in which the MBR membrane module (16), the mounting bracket (17) and the limiting block (18) are disposed in the middle.

2. The MBR membrane purification device for easy sludge removal according to claim 1, characterized in that: The top of the mounting frame (7) is connected to the top of the top cover (2) by bolts, and there are two mounting frames (7), which are symmetrically distributed on both sides of the bottom of the top cover (2). The side of the mounting frame (7) is in contact with the inner wall of the side of the evolution pool (1), and a sliding groove (8) is provided at the bottom of the mounting frame (7). A lead screw (12) is installed in the middle of the sliding groove (8) through a bearing.

3. The MBR membrane purification device for easy sludge removal according to claim 2, characterized in that: The two ends of the lead screw (12) are connected to the inner walls of the two ends of the mounting frame (7), and the lead screw (12) and the mounting frame (7) are correspondingly arranged. A sliding block (13) is sleeved on the outer wall of the lead screw (12), and the sliding block (13) is connected to the lead screw (12) by a thread. There are two sliding blocks (13), which are symmetrically distributed at both ends of the lead screw (12).

4. The MBR membrane purification device for easy sludge removal according to claim 1, characterized in that: The bottom of the sliding block (13) is bolted with a connecting rod (14), and the end of the connecting rod (14) away from the sliding block (13) is fixedly connected to a support frame (15). There are four connecting rods (14), which are symmetrically distributed on the top two sides of the support frame (15). The support frame (15) is slidably connected to the inside of the evolution pool (1), and the bottom of the support frame (15) is in contact with the bottom of the evolution pool (1).

5. The MBR membrane purification device for easy sludge removal according to claim 4, characterized in that: A membrane module mounting bracket (17) is snapped into the middle of the support frame (15), and there are multiple membrane module mounting brackets (17), which are evenly distributed inside the support frame (15). A limiting block (18) is fixedly connected to one side of the top of the membrane module mounting bracket (17), and there are two limiting blocks (18), which are symmetrically distributed on the top of both sides of the membrane module mounting bracket (17). The bottom of the limiting block (18) is in contact with the top of the support frame (15), and an MBR membrane module (16) is installed in the middle of the membrane module mounting bracket (17).

6. The MBR membrane purification device for easy sludge removal according to claim 1, characterized in that: A sewage inlet pipe (3) is installed in the middle of one side of the evolution tank (1), and an outlet pipe (5) is installed on the side of the evolution tank (1) away from the sewage inlet pipe (3). The outlet pipe (5) and the sewage inlet pipe (3) are both connected to the interior of the evolution tank (1). The MBR membrane module (16) is located between the outlet pipe (5) and the sewage inlet pipe (3). Two treatment liquid inlet pipes (4) are installed on the side of the evolution tank (1) close to the sewage inlet pipe (3), and the two treatment liquid inlet pipes (4) are symmetrically distributed on both sides of the sewage inlet pipe (3).