A new type of submerged membrane module
By designing the optimized settings of the support assembly and the membrane assembly in the immersed membrane assembly, and using the cooperation of the electric telescopic rod and spring pad, the rapid replacement of the filter membrane is achieved, solving the problem of troublesome replacement of flat membrane consumables in the prior art, and improving the replacement efficiency and practicality.
Patent Information
- Application Number
- CN202421450996.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-06-24
AI Technical Summary
When replacing flat membrane consumables, the existing immersion membrane assembly requires removal of expansion bolts, which is troublesome to operate and inconvenient to use.
A new type of immersion membrane assembly is designed, adopting the optimized settings of the support assembly and membrane assembly, including support frame, solid membrane groove, permeable groove, fixed groove, spring pad, sliding groove, sliding block and electric telescopic rod. Through the cooperation of the electric telescopic rod and spring pad, the filter membrane can be quickly replaced.
It improves the efficiency of membrane module consumables replacement, simplifies the replacement process, and improves the practicality of immersed membrane modules.
Smart Images

Figure CN222709395U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water treatment, in particular to a novel submerged membrane component. Background Art
[0002] Submerged membrane modules are a type of equipment used for water treatment. They are usually included in MBR (membrane bioreactor) systems. Such membrane modules can be submerged in the water to be treated and run, including flat membrane modules and curtain membrane modules. The characteristics of submerged membrane modules include large membrane flux, energy saving, and easy maintenance. They are usually made of durable materials, such as PVDF (polyvinylidene fluoride), and have a long service life.
[0003] In the Chinese utility model patent with announcement number CN217795512U, a multi-layer submerged flat membrane water filter assembly is disclosed, which belongs to the field of water treatment technology and mainly solves the problem that after a certain period of filtration of the existing membrane assembly, the outer and inner surfaces of the high-efficiency flat membrane will form filter cakes to varying degrees, affecting the water treatment capacity and circulating water treatment capacity of the equipment. In view of the above-mentioned related technologies, the inventor believes that there are the following defects: although in the above-mentioned prior art, the rectangular mounting bracket is installed as a whole at the bottom of the inner cavity of the filter tank by setting expansion bolts, when cleaning is required after filtering for a period of time, the motor, the transmission shaft and the bevel gear pair cooperate to drive the lead screw nut pair to work, thereby driving the narrow plate to move and clean on the flat membrane filter plate; however, in the actual use of the submerged membrane assembly, the existing method of installing the membrane assembly by expansion bolts is more troublesome in replacing the flat membrane consumables, and the expansion bolts need to be disassembled, which is not convenient for the replacement and use of the flat membrane, resulting in inconvenience in use, so a new submerged membrane assembly is needed, which is convenient for the disassembly and installation of the membrane assembly by optimizing the setting of the support assembly and the membrane assembly, improves the replacement efficiency of the membrane assembly consumables, and improves the practicality of the submerged membrane assembly. Utility Model Content
[0004] In order to solve the technical problem that in the actual use of the submerged membrane assembly, the existing method of installing the membrane assembly by expansion bolts is troublesome in replacing flat membrane consumables, the expansion bolts need to be disassembled, and it is inconvenient to replace and use the flat membrane, resulting in inconvenience in use, the utility model provides a new submerged membrane assembly.
[0005] The utility model is implemented by the following technical scheme: a novel submerged membrane assembly, comprising a box body, wherein a plurality of groups of membrane elements are distributed inside the box body, wherein the membrane elements comprise a support assembly and a membrane assembly, wherein the support assembly further comprises a support frame, a film-fixing groove, a water-permeable groove, a fixing groove, a spring pad, a sliding groove, a sliding block and an electric telescopic rod, wherein the membrane assembly further comprises a support plate, a filter membrane and a handle, wherein the support assembly cooperates with the membrane assembly to quickly replace and install the filter membrane;
[0006] Among them, multiple groups of the support frames are distributed and installed in the inner cavity of the box body, the water-permeable groove is opened at the top of the support frame, the solid film groove is opened at the top of the support frame, and the two groups of solid film grooves are distributed on both sides of the water-permeable groove, and multiple groups of fixed grooves are distributed and opened on the bottom wall of the solid film groove and the bottom of the support frame. The spring pad is installed on the bottom wall of the groove cavity of the fixed groove, and the sliding grooves are symmetrically distributed and opened on the groove walls on both sides of the water-permeable groove. The sliding block is slidably connected to the inner cavity of the sliding groove, and the electric telescopic rod is installed on the top of the sliding block.
[0007] Preferably, the filter membrane is arranged in the middle of the plate cavity of the support plate, the handle is installed on the top of the support plate, and the bottom of the support plate is inserted into the inner cavity of the solid membrane groove and pressed against the top of the spring pad.
[0008] Preferably, the bottom of one end of the telescopic rod of the electric telescopic rod is connected to the top of the support frame, and the support plate is fixedly installed inside the groove cavity of the solid film groove through the cooperation of the electric telescopic rod and the spring pad.
[0009] Preferably, a fixing frame is installed on the outer periphery of the box body, and a water collecting pipe is installed on the top of the fixing frame.
[0010] Preferably, one side of the water collecting pipe is connected to a plurality of groups of water producing hoses, and the other end of the water producing hoses is connected to the water permeable trough.
[0011] Preferably, an aeration box is installed at the bottom of the box body, and an aeration pipe is installed at the bottom of the aeration box.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The support assembly of the utility model cooperates with the membrane assembly to quickly replace and install the filter membrane. During installation, the bottom of the support plate is inserted into the inner cavity of the solid membrane groove and pressed against the top of the spring pad. The support plate is continued to be pressed so that its top is flush with the top of the support frame. The electric telescopic rod is started and the extension of the telescopic rod is used to press against the top of the support plate to firmly install the support plate inside the groove cavity of the solid membrane groove. When the membrane assembly consumables need to be replaced, the electric telescopic rod is started again and one end of the telescopic rod is retracted. The force on the top of the support plate is released, and the elastic potential energy of the compression of the spring pad is released, driving the support plate to move upward, making it convenient for the user to pull out the support plate with the filter membrane for replacement, thereby improving the efficiency of replacing membrane assembly consumables and improving the practicality of the submerged membrane assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The overall structural diagram provided by the utility model;
[0015] Figure 2 This is a schematic diagram of the membrane element structure of the utility model;
[0016] Figure 3 for Figure 2 A is an enlarged structural diagram;
[0017] Figure 4 for Figure 2 The enlarged structural diagram at B in FIG.
[0018] Figure 5 for Figure 2 The enlarged structural diagram at C in the figure.
[0019] In the figure: 1. box body; 2. fixing frame; 3. support frame; 4. film solidifying groove; 5. water permeable groove; 6. fixing groove; 7. spring pad; 8. support plate; 9. filter membrane; 10. handle; 11. sliding groove; 12. sliding block; 13. water collecting pipe; 14. water producing hose; 15. aeration box; 16. aeration pipe; 17. electric telescopic rod. DETAILED DESCRIPTION
[0020] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.
[0021] See also Figure 1 - Figure 5 A novel submerged membrane assembly of the present embodiment comprises a box body 1, wherein a plurality of membrane elements are arranged inside the box body 1, a fixing frame 2 is installed on the periphery of the box body 1, a water collecting pipe 13 is installed on the top of the fixing frame 2, a plurality of water producing hoses 14 are connected to one side of the water collecting pipe 13, an aeration box 15 is installed at the bottom of the box body 1, and an aeration pipe 16 is installed through the bottom of the aeration box 15; one end of the aeration pipe 16 is connected to an aerator, and the aeration pipe 16 supplies air to the aeration box 15 through the aeration pipe 16, forming a large number of tiny bubbles in the box body 1, and the bubbles rise to the surface of the membrane element and contact with the membrane surface to form an air-water mixed layer, thereby increasing the contact area between the water body and the membrane surface, improving the oxygen transfer efficiency, and promoting the growth and metabolic activities of microorganisms on the membrane surface, thereby realizing the biological treatment of sewage, and the treated clean water is effectively collected and transported through the water producing hose 14 and the water collecting pipe 13;
[0022] Further, the membrane element includes a support assembly and a membrane assembly, and the support assembly also includes a support frame 3, a solid film groove 4, a water-permeable groove 5, a fixed groove 6, a spring pad 7, a sliding groove 11, a sliding block 12 and an electric telescopic rod 17, wherein multiple groups of support frames 3 are distributed and installed in the inner cavity of the box body 1, the water-permeable groove 5 is opened at the top of the support frame 3, and the other end of the water-producing hose 14 is connected to the water-permeable groove 5, the solid film groove 4 is opened at the top of the support frame 3, and two groups of solid film grooves 4 are distributed on both sides of the water-permeable groove 5, and multiple groups of fixed grooves 6 are distributed and opened at the solid film groove 4. The bottom wall of the groove and the bottom of the support frame 3, the spring pad 7 is installed on the bottom wall of the groove cavity of the fixed groove 6, the sliding grooves 11 are symmetrically distributed and opened on the groove walls on both sides of the water-permeable groove 5, the sliding block 12 is slidably connected to the inner cavity of the sliding groove 11, and the electric telescopic rod 17 is installed on the top of the sliding block 12; membrane assemblies are installed on both sides of the water-permeable groove 5 through the solid membrane groove 4, and the sewage is treated by the membrane assembly to form clean water and enter the water-permeable groove 5. The sliding block 12 is slidably installed on the groove walls on both sides of the water-permeable groove 5 through the sliding groove 11, which can drive the electric telescopic rod 17 to move;
[0023] Further, the membrane assembly also includes a support plate 8, a filter membrane 9 and a handle 10, wherein the filter membrane 9 is arranged in the middle of the plate cavity of the support plate 8, and the handle 10 is installed on the top of the support plate 8. The support assembly cooperates with the membrane assembly to quickly replace and install the filter membrane 9. When installing the membrane assembly, the bottom of the support plate 8 is inserted into the inner cavity of the solid membrane groove 4 and pressed against the top of the spring pad 7. The spring pad 7 shrinks under pressure, and the support plate 8 is continuously pressed to make its top flush with the top of the support frame 3. The bottom of one end of the electric telescopic rod 17 is connected to the top of the support frame 3. The electric telescopic rod 17 is started and the extension of the telescopic rod is used to press against the top of the support plate 8. The support plate 8 is fixedly installed inside the groove cavity of the solid membrane groove 4 through the cooperation of the electric telescopic rod 17 and the spring pad 7;
[0024] Furthermore, after using it for a period of time, when the membrane component consumables need to be replaced, the electric telescopic rod 17 is started again to retract one end of the telescopic rod, the force on the top of the support plate 8 is released, and the elastic potential energy of the compression of the spring pad 7 is released, driving the support plate 8 to move upward, making it convenient for the user to pull out the support plate 8 with the filter membrane 9 for replacement. Therefore, by optimizing the setting of the support assembly and the membrane assembly, the disassembly and installation of the membrane assembly is facilitated, the replacement efficiency of the membrane assembly consumables is improved, and the practicality of the submerged membrane assembly is improved.
[0025] Working principle: membrane components are installed on both sides of the permeable trough 5 through the solid membrane trough 4. The sewage is treated by the membrane component to form clean water and enter the permeable trough 5. The treated clean water is effectively collected and transported through the water production hose 14 and the water collection pipe 13. The filter membrane 9 is set in the middle of the plate cavity of the support plate 8. The support component and the membrane component cooperate to quickly replace and install the filter membrane 9. During installation, the bottom of the support plate 8 is inserted into the inner cavity of the solid membrane trough 4 and pressed against the top of the spring pad 7. The support plate 8 is continued to be pressed to make its top flush with the top of the support frame 3. The electric telescopic rod 17 is started to use its The extension of the telescopic rod presses against the top of the support plate 8, firmly installing the support plate 8 inside the groove cavity of the solid membrane groove 4; after using it for a period of time, when the membrane component consumables need to be replaced, the electric telescopic rod 17 is started again to retract one end of the telescopic rod, the force on the top of the support plate 8 is released, and the elastic potential energy of the compression of the spring pad 7 is released, driving the support plate 8 to move upward, making it convenient for the user to pull out the support plate 8 with the filter membrane 9 for replacement. Therefore, by optimizing the setting of the support assembly and the membrane assembly, the disassembly and installation of the membrane assembly is facilitated, the replacement efficiency of the membrane assembly consumables is improved, and the practicality of the submerged membrane assembly is improved.
[0026] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. A novel submerged membrane module, comprising a housing (1), characterized in that: A plurality of groups of membrane elements are distributed inside the box (1), and the membrane elements include a support assembly and a membrane assembly. The support assembly also includes a support frame (3), a membrane fixing groove (4), a water-permeable groove (5), a fixing groove (6), a spring pad (7), a sliding groove (11), a sliding block (12) and an electric telescopic rod (17). The membrane assembly also includes a support plate (8), a filter membrane (9) and a handle (10). The support assembly cooperates with the membrane assembly to quickly replace and install the filter membrane (9). Wherein, a plurality of groups of the support frames (3) are distributed and installed in the inner cavity of the box body (1); the water-permeable groove (5) is opened at the top of the support frame (3); the solid film groove (4) is opened at the top of the support frame (3), and two groups of solid film grooves (4) are distributed on both sides of the water-permeable groove (5); a plurality of groups of the fixed grooves (6) are distributed and opened on the inner bottom wall of the solid film groove (4) and the bottom of the support frame (3); the spring pad (7) is installed on the bottom wall of the groove cavity of the fixed groove (6); the sliding grooves (11) are symmetrically distributed and opened on the groove walls on both sides of the water-permeable groove (5); the sliding block (12) is slidably connected to the inner cavity of the sliding groove (11); and the electric telescopic rod (17) is installed on the top of the sliding block (12).
2. A novel submerged membrane module according to claim 1, characterized in that: The filter membrane (9) is arranged in the middle of the plate cavity of the support plate (8), the handle (10) is installed on the top of the support plate (8), and the bottom of the support plate (8) is inserted into the inner cavity of the solid membrane groove (4) and pressed against the top of the spring pad (7).
3. A novel submerged membrane module according to claim 1, characterized in that: The bottom of one end of the telescopic rod of the electric telescopic rod (17) is connected to the top of the support frame (3), and the support plate (8) is fixedly installed inside the groove cavity of the solid film groove (4) through the cooperation of the electric telescopic rod (17) and the spring pad (7).
4. A novel submerged membrane module according to claim 1, characterized in that: A fixing frame (2) is installed on the outer periphery of the box body (1), and a water collecting pipe (13) is installed on the top of the fixing frame (2).
5. A novel submerged membrane module according to claim 4, characterized in that: One side of the water collecting pipe (13) is connected to a plurality of groups of water producing hoses (14), and the other end of the water producing hoses (14) is connected to the water permeable trough (5).
6. A novel submerged membrane module according to claim 1, characterized in that: An aeration box (15) is installed at the bottom of the box body (1), and an aeration pipe (16) is installed at the bottom of the aeration box (15).
Citation Information
Patent Citations
Multi-layer immersed flat sheet membrane water filtering assembly
CN217795512U