Mud leakage point detection device for membrane module device
By designing a membrane unit mud leakage detection device, and using aeration to generate bubbles to observe the gaps, the problem of mud leakage detection in offline cleaning of membrane bioreactors is solved, and fast and accurate detection is achieved, efficiency is improved and cost is reduced.
Patent Information
- Application Number
- CN202421535535.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-01
AI Technical Summary
During the offline cleaning of the membrane bioreactor, it is difficult for operators to accurately detect mud leakage points in the gap between the U-shaped tube and the water collection pipe of the membrane assembly, resulting in repeated disassembly and assembly and observation of the clearness of the water production, which consumes a lot of manpower and material resources, affecting normal water production.
A membrane unit leaking mud spot detection device is designed, including a membrane unit detection tank, a water storage assembly, a drainage assembly and an aeration assembly. Bubbles are generated by aeration, and the bubbles in the gap between the U-shaped tube and the collector pipe are observed, and the specific location of the mud leakage point is determined.
The device can quickly and accurately detect mud leakage points in the membrane assembly device, reduce the number of repeated disassembly and assembly times, improve detection efficiency, and reduce manpower and material consumption.
Smart Images
Figure CN222855108U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of membrane module repair, in particular to a membrane module mud leakage point detection device. Background Art
[0002] As a highly efficient water treatment process, membrane bioreactor has the advantages of good effluent quality, simple operation and maintenance, compact structure, and small footprint. However, membrane fouling is still a key factor affecting the economic efficiency and operational stability of this technology. Membrane fouling not only shortens the service life of the membrane, but also directly leads to an increase in the pump's suction head and aeration volume, resulting in high energy consumption of the MBR process, and also becomes the main reason for increased operating costs and frequent cleaning and replacement of membrane components.
[0003] When the membrane is contaminated, the main solutions are online cleaning and offline cleaning. Online cleaning can only remove a small amount of pollutants on the surface of the membrane module. Therefore, only offline cleaning can more thoroughly remove the pollutants deposited on the membrane module. During the offline cleaning process, the operator needs to disassemble the membrane module, clean it piece by piece and then reinstall it. After the installation is completed, it is hoisted into the membrane pool for water production. Since the installation requirements of the U-tube connecting the water collection pipe and the membrane are high, mud leakage is very likely to occur after installation.
[0004] If the specific leakage point cannot be found, the membrane can only be disassembled and reassembled repeatedly and then placed in the membrane pool to observe whether the produced water is clear. This not only consumes a lot of manpower and material resources and increases labor costs, but also affects normal water production and reduces water production. Utility Model Content
[0005] In order to solve the above problems, the utility model provides a membrane module mud leakage point detection device.
[0006] The technical solution adopted by the utility model is:
[0007] A membrane module mud leakage point detection device, the membrane module mud leakage point detection device comprises a membrane module detection tank equipped with a water storage component, a drainage component and an aeration component; the tank body of the membrane module detection tank can accommodate the membrane module; the water storage component comprises a water supply pipeline and a CIP pump, one end of the water supply pipeline extends into the membrane module detection tank, and the other end is connected to the CIP pump, and the CIP pump is connected to the water supply pipeline in the plant; the aeration component comprises an aeration pipe and a blower, one end of the aeration pipe is connected to the water production pipe of the membrane module, and the other end is connected to the blower; the drainage component comprises a drainage pipe and a drainage pump, one end of the drainage pipe is connected to the bottom of the membrane module detection tank, and the other end is connected to the drainage pump, and the drainage pump is connected to the drainage pipeline in the plant.
[0008] Furthermore, the membrane module detection pool is a rectangular pool body with an open top, and the depth of the pool body is greater than the height of the membrane module.
[0009] Furthermore, the membrane module detection tank is a bottom-dug tank body arranged below the ground; the aeration pipe and the water supply pipe extend from the ground to the membrane module detection tank; the drainage pipe is pre-buried below the ground, and one end of the drainage pipe is connected to the bottom of the membrane module detection tank; the aeration pipe is connected to the water production pipe of the membrane module through a pipe joint.
[0010] Furthermore, the membrane module detection pool is a pool body arranged above the ground; the membrane module mud leakage point detection device also includes an observation component for facilitating observation of the membrane module.
[0011] Furthermore, the observation assembly includes a pulley, which can move on the wall of the membrane module detection pool; a camera fixing bracket is installed on the pulley, and a camera is installed at one end of the camera fixing bracket extending into the membrane module detection pool.
[0012] The beneficial effects of the utility model are:
[0013] The membrane module mud leakage point detection device uses aeration to observe the bubbles generated at the gap between the membrane module U-tube and the water collection pipe, so as to accurately determine the specific location of the mud leakage point; the membrane module can detect all the mud leakage points in one inspection, so there is no need to repeatedly disassemble and reassemble the membrane module, which improves the detection efficiency of the membrane module. In addition, the overall assembly and disassembly process of the membrane module mud leakage point detection device is relatively simple, and can be completed by a single inspection personnel, which greatly reduces the manpower and material resources for membrane module inspection. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the layout of the membrane module mud leakage point detection device of Example 1 of the utility model;
[0015] Figure 2 for Figure 1 A in the enlarged view;
[0016] Figure 3 This is a schematic diagram of the layout of the membrane module mud leakage point detection device of Example 2 of the utility model;
[0017] Figure 4 This is a schematic diagram of the structure of the observation component in Example 2 of the utility model;
[0018] Figure 1 —4, 1—membrane module detection pool, 2—ground, 3—membrane module, 4—water supply pipe, 5—CIP pump, 6—aeration pipe, 7—blower, 8—drainage pipe, 9—drainage pump, 10—first water production pipe, 11—second water production pipe, 12—U-shaped pipe, 13—water collecting pipe, 14—bubbles, 15—pulley, 16—camera fixing bracket, 17—body frame, 18—travel wheels, 19—camera. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings of 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 of 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.
[0020] For ease of description, spatially relative terms such as "upper," "lower," "left," and "right" may be used herein to describe the relationship of one element or feature shown in a figure to another element or feature. It should be understood that, in addition to the orientation shown in the processing figure, the spatial terms are intended to include different orientations of the device in use or operation. For example, if the device in the figure is inverted, elements described as being "below" other elements or features will be defined as being "above" the other elements or features. Therefore, the exemplary term "below" can include both upper and lower orientations. The device can be positioned in other ways, and the spatially relative descriptions used herein can be interpreted accordingly. Example 1
[0021] This embodiment provides a membrane module mud leakage point detection device, such as Figure 1 As shown, the membrane module mud leakage point detection device includes a membrane module detection pool 1, which is a bottom-dug pool body arranged below the ground 2, and is a rectangular pool body with an opening on the top. The depth of the pool body is greater than the height of the membrane module 3, and the pool body can accommodate the membrane module 3. The membrane module detection pool 1 is installed with a water storage component, a drainage component and an aeration component.
[0022] The water storage component includes a water supply pipe 4 and a CIP pump 5. One end of the water supply pipe 4 extends from the ground 2 to the membrane module detection tank 1, and the other end is connected to the CIP pump 5. The CIP pump 5 is connected to the water supply pipeline in the factory. The function of the water storage component is to inject water into the membrane module detection tank 1. The aeration component includes an aeration pipe 6 and a blower 7. One end of the aeration pipe 6 extends from the ground 2 to the membrane module detection tank 1, and the other end is connected to the blower 7. The function of the aeration component is to aerate the membrane module 3. The drainage component includes a drainage pipe 8 and a drainage pump 9. The drainage pipe 8 is pre-buried below the ground 2. One end of the drainage pipe is connected to the bottom of the membrane module detection tank 1, and the other end is connected to the drainage pump 9. The drainage pump 9 is connected to the drainage pipeline in the factory. The function of the drainage component is that when the water in the membrane module detection tank 1 undergoes multiple membrane module detections, it will become turbid, so it is necessary to use the drainage component to drain the sewage and refill the water. The CIP pump 5, the drainage pump 9 and the blower 7 are all commercially available finished products, and the specific model of each device is selected according to actual needs.
[0023] The process of using the membrane module mud leakage point detection device to detect the membrane module 3 is as follows:
[0024] First, the membrane module 3 after cleaning the membrane is hoisted into the membrane module detection tank 1 by a crane, and the aeration pipe 6 is connected to the first water production pipe 10 of the membrane module 3 through a pipe joint, and the second water production pipe 11 of the membrane module 3 is blocked by a pipe plug; then the CIP pump 5 is started to inject water into the membrane module detection tank 1 through the water supply pipeline, and the water injection is stopped when the water level reaches the upper end of the membrane module 3; at this time, the blower 7 can be started to detect the mud leakage point of the membrane module.
[0025] The main reason for the mud leakage in the membrane module 3 is that the U-shaped tube 12 connects the diaphragm and the water collecting pipe 13, which has high sealing requirements and is easily damaged or has poor sealing due to reinstallation after disassembly. At this time, during the vacuuming process, part of the sludge mixture will enter the water collecting pipe 13 through the gap of the U-shaped tube 12, causing turbid water outlet and forming mud leakage in the membrane module.
[0026] Therefore, after the blower 7 is started, air enters the U-shaped tube 12 through the first water production pipe 10 of the membrane module 3, and the aeration volume is adjusted until the bubbles 14 emerging from the U-shaped tube 12 are uniform and can be clearly observed. Figure 2 As shown, if the U-shaped tube 12 is installed correctly and sealed tightly, the bubbles 14 generated at each U-shaped tube 12 should be uniform in size. If one of them is installed incorrectly or the sealing is not good, the U-shaped tube 12 corresponding to the diaphragm will have bubbles 14 that are much larger than other places, and this phenomenon becomes more obvious as the aeration volume increases, so that the points where the U-shaped tube 12 is not installed well or sealed well can be found, that is, the mud leakage points.
[0027] During the membrane module inspection process, since the membrane module inspection pool 1 is a bottom-dug pool body arranged below the ground 2 , the inspector can stand on the ground 2 to observe the bubbles 14 . Example 2
[0028] This embodiment provides a membrane module mud leakage point detection device, such as Figure 3 As shown, the membrane module mud leakage point detection device includes a membrane module detection pool 1, which is a pool body arranged above the ground 2. The membrane module detection pool 1 is a rectangular pool body with an opening on the top. The depth of the pool body is greater than the height of the membrane module 3, and the pool body can accommodate the membrane module 3. If the detection site does not have the conditions for building the membrane module detection pool 1, the membrane module detection pool 1 can also be replaced by a sealed box structure with an opening on the top that can accommodate the membrane module 3. The membrane module detection pool 1 is installed with a water storage component, a drainage component and an aeration component.
[0029] Among them, the water storage component includes a water supply pipe 4 and a CIP pump 5. One end of the water supply pipe 4 extends into the membrane module detection tank 1, and the other end is connected to the CIP pump 5. The CIP pump 5 is connected to the water supply pipeline in the factory; the aeration component includes an aeration pipe 6 and a blower 7. One end of the aeration pipe 6 is connected to the water production pipe of the membrane module 3, and the other end is connected to the blower 7; the drainage component includes a drainage pipe 8 and a drainage pump 9. One end of the drainage pipe 8 is connected to the bottom of the membrane module detection tank 1, and the other end is connected to the drainage pump 9. The drainage pump 9 is connected to the drainage pipeline in the factory. The CIP pump 5, the drainage pump 9 and the blower 7 are all commercially available finished equipment, and the specific model of each equipment is selected according to actual needs.
[0030] In addition, since the membrane module detection pool 1 is a pool body arranged above the ground 2, in order to facilitate the inspection personnel to observe the bubbles 14 during the membrane module inspection process, Figure 3 and Figure 4 As shown, the membrane module mud leakage point detection device in this embodiment also includes an observation component for facilitating the observation of the membrane module. The observation component includes a pulley 15, and the pulley 15 includes a body frame 17 manufactured by welding, and a running wheel 18 installed on the body frame 17. The pulley 15 can move on the pool wall of the membrane module detection pool 1 through the running wheel 18. A camera fixing bracket 16 is installed on the pulley 15. The camera fixing bracket 16 extends to one end of the membrane module detection pool 1 and is installed with a camera 19. The camera 19 is a commercially available finished device with a built-in rechargeable battery and can be wirelessly connected to a mobile phone. In addition to being a mounting bracket for the camera 19, the camera fixing bracket 16 can also be used as a handle for moving the pulley 15.
[0031] The process of using the membrane module mud leakage point detection device to detect the membrane module 3 is similar to that of Example 1, except that:
[0032] Therefore, after starting the blower 7, air enters the U-shaped tube 12 through the first water production pipe 10 of the membrane module 3, and the aeration amount is adjusted by the camera 19 in conjunction with the mobile phone end, so that the bubbles 14 emerging from the U-shaped tube 12 are uniform and can be clearly observed. Then the pulley 15 is moved on the pool wall of the membrane module detection pool 1 through the camera fixing bracket 16, and the bubbles 14 emerging from each U-shaped tube 12 are observed through the camera 19 in conjunction with the mobile phone end. If the U-shaped tube 12 is installed correctly and sealed tightly, the bubbles 14 generated at each U-shaped tube 12 should be uniform in size. If one of them is installed incorrectly or the sealing is not good, the U-shaped tube 12 corresponding to the diaphragm will have bubbles 14 much larger than other places, and as the aeration amount increases, this phenomenon becomes more obvious, so that the point where the U-shaped tube 12 is not installed well or sealed well can be found, that is, the mud leakage point.
[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A membrane module mud leakage point detection device, characterized in that: The membrane module mud leakage point detection device comprises a membrane module detection tank equipped with a water storage component, a drainage component and an aeration component; the tank body of the membrane module detection tank can accommodate the membrane module; the water storage component comprises a water supply pipeline and a CIP pump, one end of the water supply pipeline extends into the membrane module detection tank, and the other end is connected to the CIP pump, and the CIP pump is connected to the water supply pipeline in the plant; the aeration component comprises an aeration pipe and a blower, one end of the aeration pipe is connected to the water production pipe of the membrane module, and the other end is connected to the blower; the drainage component comprises a drainage pipe and a drainage pump, one end of the drainage pipe is connected to the bottom of the membrane module detection tank, and the other end is connected to the drainage pump, and the drainage pump is connected to the drainage pipeline in the plant.
2. The membrane module mud leakage point detection device according to claim 1 is characterized in that: The membrane module detection pool is a rectangular pool body with an opening on the top, and the depth of the pool body is greater than the height of the membrane module.
3. The membrane module mud leakage point detection device according to claim 1 is characterized in that: The membrane module detection pool is a bottom-dug pool arranged below the ground; an aeration pipe and a water supply pipe extend from the ground into the membrane module detection pool; a drainage pipe is pre-buried below the ground, and one end of the drainage pipe is connected to the bottom of the membrane module detection pool; the aeration pipe is connected to the water production pipe of the membrane module through a pipe joint.
4. The membrane module mud leakage point detection device according to claim 1 is characterized in that: The membrane module detection pool is a pool body arranged above the ground; the membrane module mud leakage point detection device also includes an observation component for facilitating observation of the membrane module.
5. The membrane module mud leakage point detection device according to claim 4 is characterized in that: The observation assembly comprises a pulley, which can move on the wall of the membrane module detection pool; a camera fixing bracket is installed on the pulley, and a camera is installed at one end of the camera fixing bracket extending into the membrane module detection pool.