A membrane cell surface foam removal device

Abstract

The utility model discloses a kind of membrane pool surface foam removal devices, including float tube, block piece and counterweight, float tube is symmetrically arranged, each float tube is covered with symmetrically arranged block piece, the bottom of each float tube is fixed with several counterweights, it further includes blocking component and mounting assembly, and blocking component is used to eliminate and block for impurity and foam, and mounting assembly is used to install and position float tube.The utility model can realize the self-adaptive adaptation of device and membrane pool water level, the mounting plate of mounting assembly is fixed in membrane pool inner wall, mounting piece slides along mounting plate by guide column, drives float tube to be adjusted up and down with water surface height, ensure that the flexible curtain of blocking component and bubble breaking piece are always at the operation height of adaptive liquid level, without frequent adjustment by artificial, avoid that bubble removal is ineffective due to water level fluctuation, improve the applicability of device.

Description

Technical Field

[0001] This utility model relates to the field of membrane tank surface foam removal technology, and specifically to a membrane tank surface foam removal device. Background Technology

[0002] During membrane tank operation, to remove surface foam, existing membrane tank surface foam removal devices mostly consist of a simple float and a scraper or defoaming net fixed to the float. Some devices also include a manually operated lever. In use, the float is first placed on the surface of the membrane tank, floating on its own buoyancy, while the scraper or defoaming net hangs into the water or is close to the surface. When foam forms on the membrane tank surface, if it is a manual device, the operator needs to push the float across the water surface using the lever, scraping off the foam with the scraper or initially breaking it up with the defoaming net. If it is a simple automatic device, the float is moved by the water flow within the membrane tank to achieve passive defoaming. Some devices also require manual adjustment of the float's position based on the location of the PVC pipes within the membrane tank to ensure that the defoaming components cover the foamed area.

[0003] However, existing devices have significant limitations. On the one hand, they have poor water level adaptability. The floats in existing devices are mostly free-floating structures without guidance. When the water level in the membrane tank fluctuates, the floats tend to shift up and down with the water level, causing the scraper or defoaming net to detach from the liquid surface or become over-immersed in the water, making it impossible to maintain an effective defoaming height and requiring frequent manual adjustments. On the other hand, they lack operational stability. Existing floats lack a stable structure and are prone to rotation and displacement when impacted by water flow or pushed by external forces, causing the scraper or defoaming net to deviate from the foam area, resulting in low accuracy in defoaming positioning. Furthermore, some devices lack a gravity-based drooping design for the scraping components, making it easy for foam to leak from the bottom due to drifting. In addition, the defoaming efficiency and adaptability are low. Most existing devices are single foam scraping or defoaming structures, which can either only scrape off foam but cannot completely break it up, or can only break up local foam but cannot prevent foam diffusion. Moreover, the size of the float is fixed and cannot be flexibly adapted to the length of the PVC pipe in the membrane tank, making it difficult to cover membrane tanks of different specifications. At the same time, the components are mostly fixedly connected, making disassembly difficult when cleaning impurities or replacing vulnerable parts, which makes it difficult to meet the defoaming requirements for long-term stable operation of the membrane tank. Utility Model Content

[0004] The problem to be solved by this utility model is to provide a foam removal device for the surface of a membrane tank, so as to solve the problems of poor water level adaptability, insufficient operational stability, low defoaming efficiency and weak adaptability of existing devices, and to realize stable and flexible foam removal operation on the surface of the membrane tank.

[0005] The technical solution provided by this utility model to solve the above problems is as follows: a foam removal device for membrane tank surface, including floating tubes, blocking components and counterweights. The floating tubes are symmetrically arranged, and each floating tube is covered with a symmetrically arranged blocking component. Several counterweights are fixed to the bottom of each floating tube. It also includes a blocking component and an installation component. The blocking component is used to eliminate and block impurities and foam, and the installation component is used to install and position the floating tubes.

[0006] More preferably, counterweights are used to increase the stability of the floating tube and prevent it from rotating inside the membrane tank.

[0007] More preferably, the length of the floating tube is determined by the length of the PVC pipe installed in the membrane tank.

[0008] More preferably, the barrier assembly includes a frame, a flexible curtain, a drooping rod, and a defoaming structure. The frame is slidably placed between symmetrically arranged floating tubes, the flexible curtain is installed at the bottom of the frame, the drooping rod is fixed to the bottom of the flexible curtain, and the defoaming structure is used to defoam the foam on the surface of the membrane tank.

[0009] More preferably, the defoaming structure includes a defoaming component and a pulling component, with the defoaming component installed on the frame and the symmetrically arranged pulling components fixed to the defoaming component.

[0010] More preferably, the bubble-breaking component is semi-circular, and its outer surface is uniformly covered with small spikes.

[0011] More preferably, the installation assembly includes mounting parts, mounting plates, and guide posts, with symmetrically arranged mounting parts fitted onto each floating tube, and each mounting part being slidably connected to a mounting plate via a guide post.

[0012] More preferably, the mounting plate is installed on the inner wall of the membrane tank, and the mounting components slide on the mounting plate, so that the floating tube can be adjusted up and down according to the water level.

[0013] Compared with the prior art, the advantages of this utility model are: This utility model can achieve adaptive matching between the device and the water level of the membrane tank. The mounting plate of the mounting component is fixed to the inner wall of the membrane tank. The mounting component slides along the mounting plate through the guide column, which drives the floating tube to adjust up and down with the water level. This ensures that the flexible curtain of the blocking component and the bubble-breaking component are always at the working height that matches the liquid level. There is no need for frequent manual adjustment, which avoids the failure of defoaming due to water level fluctuations and improves the applicability of the device.

[0014] With a stable operating state, the counterweight fixed to the bottom of the floating tube can increase the overall stability and prevent the floating tube from rotating or shifting due to water flow impact or external force in the membrane tank, ensuring the precise operation of the flexible curtain and the bubble-breaking component; at the same time, the hanging rod drives the bottom of the flexible curtain to always keep in contact with the liquid surface, preventing foam from leaking from the bottom, further improving the reliability of defoaming and impurity blocking.

[0015] The defoaming process is highly efficient and thorough. The flexible curtain of the blocking component can move with the device to scrape and block foam on the liquid surface, collect the foam for easy handling, and block floating impurities. The semi-circular bubble-breaking component of the defoaming structure is covered with small spikes on its outer surface. When moving, it can quickly puncture the foam and expand the coverage area of ​​the bubble-breaking. The two work together to achieve the dual function of defoaming and scraping, effectively preventing foam from spreading and contaminating the membrane component. Attached Figure Description

[0016] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a three-dimensional structural diagram of the first part of this utility model.

[0019] Figure 3 This is a partial cross-sectional exploded three-dimensional structural diagram of the present invention.

[0020] Figure 4 This is a three-dimensional structural diagram of the second part of this utility model.

[0021] Attached diagram labels: 1. Floating tube; 2. Blocking component; 3. Counterweight component; 4. Frame; 5. Flexible curtain; 6. Drooping rod; 7. Mounting component; 8. Mounting plate; 9. Guide column; 10. Bubble breaker component; 11. Pulling component. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. In the description of the present utility model, it should be noted that the terms "first," "second," etc., are used for descriptive purposes only and do not specifically refer to any order or sequence, nor are they intended to limit the present utility model. They are merely used to distinguish components or operations described with the same technical terms, and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. The term "comprising" and any variations thereof in the specification, claims, and accompanying drawings of the present utility model are intended to cover non-exclusive inclusion.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "setting" should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; or internal connections between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0024] Furthermore, it should be understood in the description of this utility model that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] Example: As shown in the attached figure, a foam removal device for a membrane tank surface includes a floating tube 1, a blocking component 2, and a counterweight 3. The floating tubes 1 are symmetrically arranged, and the length of the floating tube 1 is determined according to the length of the PVC pipe installed in the membrane tank. Each floating tube 1 is covered with a symmetrically arranged blocking component 2, and several counterweights 3 are fixed to the bottom of each floating tube 1. The counterweights 3 are used to increase the stability of the floating tube 1 and prevent the floating tube 1 from rotating in the membrane tank. It also includes a blocking component and an installation component. The blocking component is used to eliminate and block impurities and foam, and the installation component is used to install and position the floating tube 1.

[0026] In this embodiment, the barrier assembly specifically includes a frame 4, a flexible curtain 5, a hanging rod 6, and a defoaming structure. The frame 4 is slidably placed between symmetrically arranged floating tubes 1. The flexible curtain 5 is installed at the bottom of the frame 4, and the hanging rod 6 is fixed to the bottom of the flexible curtain 5. The flexible curtain 5 moves to scrape away foam on the surface of the membrane tank, and the defoaming structure is used to defoam the foam on the surface of the membrane tank. The defoaming structure includes a bubble-breaking component 10 and a pulling component 11. The bubble-breaking component 10 is installed on the frame 4 and is semi-circular. The outer surface of the bubble-breaking component 10 is uniformly covered with small spikes. The symmetrically arranged pulling components 11 are fixed to the bubble-breaking component 10 and are used to connect to an external pull rope. Furthermore, the installation components include mounting parts 7, mounting plates 8, and guide columns 9. Each floating tube 1 is fitted with symmetrically arranged mounting parts 7, and each mounting part 7 is slidably connected to the mounting plate 8 through the guide column 9. The mounting plate 8 is installed on the inner wall of the membrane tank, and the mounting parts 7 slide on the mounting plate 8, so that the floating tube 1 can be adjusted up and down with the water level.

[0027] First, the device is installed and positioned. The mounting plate 8 is fixed to the preset position on the inner wall of the membrane tank. Then, the mounting component 7 is sleeved onto the floating tube 1, allowing the mounting component 7 to slide smoothly to the mounting plate 8 via the guide post 9. This design allows the floating tube 1 to slide up and down along the mounting plate 8 with the help of the mounting component 7, thereby adaptively adjusting to changes in the water level in the membrane tank. This ensures that the blocking component always maintains an appropriate height with the liquid surface, preventing defoaming failure due to water level fluctuations. Subsequently, several counterweights 3 are fixed to the bottom of the floating tube 1. The counterweights 3 increase the overall stability of the floating tube 1, preventing it from rotating or shifting due to water flow impact in the membrane tank, ensuring the accuracy of subsequent defoaming operations. At the same time, the blocking components 2 are placed over both ends of the floating tube 1 to prevent water from entering the tube and affecting the floating effect.

[0028] Based on the length of the PVC pipes in the membrane tank, select a floating pipe 1 of suitable size. Slide the frame 4 between the symmetrically arranged floating pipes 1 to complete the assembly of the blocking component and the floating pipes 1. The sliding overlap design of the frame 4 facilitates quick disassembly and replacement, improving the ease of maintenance of the device. At this time, the flexible curtain 5 hangs down naturally under the gravity of the hanging rod 6. The hanging rod 6 ensures that the bottom of the flexible curtain 5 is always in contact with the liquid surface, preventing foam from leaking through the bottom due to the movement of the flexible curtain 5, thus enhancing the foam blocking effect. The flexible curtain 5 itself has flexible characteristics, which can adapt to different liquid surface conditions, and at the same time effectively blocks floating impurities on the surface of the membrane tank, preventing impurities from affecting the operation of the membrane module.

[0029] When foam appears on the surface of the membrane tank, an external pull rope can be connected via the pull component 11. The pull rope can be manually or with the aid of a drive structure to move the bubble-breaking component 10 on the frame 4. The bubble-breaking component 10 is semi-circular with small spikes evenly covered on its outer surface. During movement, the spikes can quickly puncture the foam, achieving efficient defoaming. The semi-circular structure can expand the coverage area of ​​the bubble-breaking, allowing the foam to fully contact the spikes and improving the defoaming efficiency. At the same time, as the floating tube 1 floats or is pushed by external force, the flexible curtain 5 moves synchronously on the liquid surface, scraping away and blocking any unpunctured foam, collecting the foam in a designated area for centralized treatment. This achieves the dual function of defoaming and scraping, preventing foam from spreading to the membrane module area and causing pollution.

[0030] Throughout the operation, the counterweight 3 continuously ensures the stability of the floating pipe 1, preventing the device from shaking under pulling or water flow impact. The sliding connection structure of the installation components always allows the floating pipe 1 to rise and fall with the water level, ensuring that the flexible curtain 5 and the bubble-breaking component 10 are always at the effective operating height, eliminating the need for frequent manual adjustments. After the operation is completed, the bubble-breaking component 10 can be reset by pulling the component 11. If it is necessary to clean impurities or maintain the components, the support frame 4 can be removed, and then the flexible curtain 5 or the bubble-breaking component 10 can be removed for cleaning or replacement, making the operation convenient.

[0031] The above description only illustrates the preferred embodiment of this utility model and should not be construed as limiting the scope of the claims. This utility model is not limited to the above embodiments, and variations in its specific structure are permitted. All changes made within the scope of the independent claims of this utility model are also within the scope of protection of this utility model.

Claims

1. A foam removal device for a membrane tank surface, comprising floating tubes (1), plugging components (2), and counterweights (3), wherein the floating tubes (1) are symmetrically arranged, each floating tube (1) is covered with symmetrically arranged plugging components (2), and each floating tube (1) has several counterweights (3) fixedly connected to its bottom, characterized in that, It also includes a barrier assembly and an installation assembly, the barrier assembly being used to eliminate and block impurities and foam, and the installation assembly being used to install and position the floating tube (1).

2. The membrane tank surface foam removal device according to claim 1, characterized in that, The counterweight (3) is used to increase the stability of the floating tube (1) and prevent the floating tube (1) from rotating in the membrane tank.

3. The membrane tank surface foam removal device according to claim 1, characterized in that, The length of the floating tube (1) is determined by the length of the PVC pipe installed in the membrane tank.

4. The membrane pool surface foam removal device according to claim 1, characterized in that, The barrier assembly includes a frame (4), a flexible curtain (5), a hanging rod (6), and a defoaming structure. The frame (4) is slidably placed between symmetrically arranged floating tubes (1). The flexible curtain (5) is installed at the bottom of the frame (4). The hanging rod (6) is fixed to the bottom of the flexible curtain (5). The defoaming structure is used to defoam the foam on the surface of the membrane pool.

5. A foam removal device for a membrane pool surface according to claim 4, characterized in that, The defoaming structure includes a defoaming component (10) and a pulling component (11). The defoaming component (10) is installed on the frame (4), and the symmetrically arranged pulling components (11) are fixed to the defoaming component (10).

6. The membrane pool surface foam removal device according to claim 5, characterized in that, The bubble-breaking part (10) is semi-circular, and the outer surface of the bubble-breaking part (10) is uniformly covered with small spikes.

7. The membrane tank surface foam removal device according to claim 1, characterized in that, The mounting components include mounting parts (7), mounting plates (8) and guide posts (9). Each floating tube (1) is fitted with a symmetrically arranged mounting part (7), and each mounting part (7) is slidably connected to a mounting plate (8) via a guide post (9).

8. A foam removal device for a membrane pool surface according to claim 7, characterized in that, The mounting plate (8) is installed on the inner wall of the membrane tank, and the mounting part (7) slides on the mounting plate (8), so that the floating tube (1) can be adjusted up and down with the height of the water surface.

Images