Antibacterial ultrafiltration membrane assembly for water treatment

By introducing antibacterial components into the water-treated ultrafiltration membrane assembly, the antibacterial copper strips are used to release antibacterial ions, inhibiting the breeding of bacteria and microorganisms on the inside of the membrane element, the problem of reduced biofilm formation and filtration effect is solved, and a longer service life and higher filtration safety is achieved.

CN222777895UActive Publication Date: 2025-04-22SHANGHAI LYMAX ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202421553569.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-03
Publication Date
2025-04-22
Estimated Expiration
2034-07-03

AI Technical Summary

Technical Problem

During the use of existing water-treated ultrafiltration membrane modules, barrier organic matter and microorganisms will be attached to the membrane surface of the membrane element, forming biofilm, causing bacteria to grow, reducing filtration effect and safety.

Method used

An antibacterial ultrafiltration membrane assembly for water treatment was designed, using antibacterial components, including antibacterial disks, mounting rods and antibacterial copper strips. The antibacterial copper strips release antibacterial ions in the filter chamber to inhibit the breeding of bacteria and microorganisms.

Benefits of technology

Through the use of antibacterial components, bacteria and microorganisms on the inner side of the membrane element are reduced and inhibited, biofilm formation is prevented, the service life of ultrafiltration membrane components is extended, and the filtration effect and safety are maintained.

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Abstract

The utility model provides an antibacterial ultrafiltration membrane component for water treatment, which comprises a treatment cylinder, a top cylinder cover arranged at the top end of the treatment cylinder, a bottom cylinder cover arranged at the bottom end of the treatment cylinder, a membrane element for treating water arranged in the treatment cylinder, a filter cavity formed on the inner side of the membrane element, and a purification cavity formed between the membrane element and the inner wall of the treatment cylinder, an antibacterial component is arranged in the treatment cylinder and is positioned in the filtering cavity; the antibacterial assembly comprises antibacterial discs, a mounting rod and antibacterial copper bars, the antibacterial discs are arranged on the top face and the bottom face of the mounting rod, the antibacterial copper bars are arranged on the side face of the mounting rod, and the antibacterial copper bars and the mounting rod are annularly distributed between the antibacterial discs. The antibacterial copper bar arranged in the antibacterial component can release antibacterial ions in the filter cavity, so that the breeding of bacteria and microorganisms on the inner side of the membrane element can be reduced and inhibited, and the bacteria and the microorganisms can be conveniently prevented from forming a biological membrane on the inner side of the membrane element; bacteria are continuously bred; and the filtering effect of the ultrafiltration membrane assembly is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of water treatment equipment, in particular to an antibacterial ultrafiltration membrane component for water treatment. Background Art

[0002] Ultrafiltration membrane is a membrane separation technology commonly used in water treatment and wastewater treatment. Its working principle is to use the size of the micropores on the membrane to exclude solutes, colloidal particles, microorganisms, etc., so as to achieve the separation and purification of substances. Ultrafiltration membrane can effectively remove most organic matter, bacteria, viruses and other microorganisms in the water, while retaining small molecules such as inorganic salts in the water. Ultrafiltration membrane has the advantages of simple operation, high efficiency, small footprint, and large processing capacity. Therefore, it is widely used in household water purification equipment, drinking water plants, industrial wastewater treatment, food processing and other fields. Through ultrafiltration membrane technology, water quality can be effectively improved to ensure the safety of people's drinking water, and at the same time, wastewater can be recycled and utilized as a resource;

[0003] The prior art with patent number CN 217042092 U discloses: comprising a component body, wherein the two ends of the component body are respectively provided with a water inlet end and a water outlet end, wherein the component body comprises an inner cylinder, a middle cylinder and an outer cylinder, wherein the middle cylinder is provided with ultrafiltration membrane filaments between the inner cylinder and the outer cylinder. The water treatment ultrafiltration membrane component improves the sealing performance of the component body by providing sealing rings at the connection of the cover on the water inlet end and the water outlet end of the component body, wherein the component body adopts a three-layer structure of an inner cylinder, a middle cylinder and an outer cylinder, wherein ultrafiltration membrane filaments are provided between the inner cylinder, the middle cylinder and the outer cylinder, and circular or annular through holes are provided on the outer wall of the middle cylinder, and double-layer filter element filtration reduces the loss of service life of the internal ultrafiltration membrane filaments, and the outer wall of the middle cylinder is provided with a corrugated type, thereby increasing the contact area of ​​the ultrafiltration membrane filaments, reducing the filtration pressure of the ultrafiltration membrane filaments, improving the service life of the ultrafiltration membrane filaments, and avoiding frequent disassembly and replacement of the ultrafiltration membrane component;

[0004] The above patent document discloses a water treatment ultrafiltration membrane assembly to solve the problem of frequent disassembly and replacement of ultrafiltration membrane assemblies; although the water treatment ultrafiltration membrane assembly of the above patent can reduce the frequent disassembly and replacement to a certain extent, it is found in the actual use of the water treatment ultrafiltration membrane assembly that the membrane elements in the ultrafiltration membrane will block bacteria, viruses and other microorganisms, making it impossible for them to pass through the membrane surface, thereby playing a physical interception role and reducing the content of microorganisms in the water, but the membrane surface of the membrane element will adhere to the blocking organic matter and microorganisms, these substances will form a biofilm on the membrane surface and continuously breed bacteria, thus reducing the filtration box and safety of the ultrafiltration membrane.

[0005] In summary, there is a need for an ultrafiltration membrane component for water treatment that is effective in resisting bacteria. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides an antibacterial ultrafiltration membrane component for water treatment, which solves the problems mentioned in the background technology.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] An antibacterial ultrafiltration membrane assembly for water treatment, comprising a treatment cylinder, a top cylinder cover is provided at the top of the treatment cylinder, a bottom cylinder cover is provided at the bottom of the treatment cylinder, a membrane element for treating water is provided inside the treatment cylinder, a filter cavity is formed inside the membrane element, a purification cavity is formed between the membrane element and the inner wall of the treatment cylinder, an antibacterial antibacterial component is provided inside the treatment cylinder, and the antibacterial component is located inside the filter cavity;

[0009] The antibacterial component includes an antibacterial disk, a mounting rod and an antibacterial copper strip. The antibacterial disk is provided on the top and bottom surfaces of the mounting rod, and the antibacterial copper strip is provided on the side of the mounting rod. The antibacterial copper strip and the mounting rod are arranged in a ring between the antibacterial disks, and a mounting component is provided on the side of the antibacterial disk for installation and fixing.

[0010] The bottom of the inner side of the treatment tube is provided with a mounting ring 1 and a mounting ring 2, a fixing groove is formed between the mounting ring 2 and the mounting ring 1, the fixing groove is engaged with the bottom of the membrane element, and a drain port is opened on the bottom surface of the treatment tube.

[0011] Furthermore, a water inlet is provided at the top of the top cylinder cover, the top cylinder cover is threadedly connected to the treatment cylinder, a mounting seat is provided on the inner bottom surface of the top cylinder cover, and the mounting seat is snap-connected with the top of the membrane element;

[0012] The bottom cylinder cover is threadedly connected to the top of the treatment cylinder, and a drainage port is arranged at the bottom end of the bottom cylinder cover.

[0013] Furthermore, the mounting assembly includes a movable column, a movable seat and a fixed rod. The movable column is arranged in the middle part of the side of the antibacterial disk away from the mounting rod. A fixed rod is arranged on the outside of the movable seat. The fixed rods are distributed in a ring on the outside of the movable seat. The fixed rod in the mounting assembly located at the top is fixedly connected to the inner side of the mounting seat, and the fixed rod in the mounting assembly located at the bottom is fixedly connected to the inner side of the mounting ring 2.

[0014] Furthermore, the movable column is engaged and rotated with the movable seat, a vortex blade is arranged on the inner side of the mounting rod, and a plurality of vortex blades are arranged between the mounting rods.

[0015] Furthermore, a dirt discharge assembly is provided on the side of the top cylinder cover, and the dirt discharge assembly includes a dirt discharge pipe and a dirt discharge valve. The dirt discharge pipe runs through the middle of the top cylinder cover, and a dirt discharge valve is provided in the middle of the dirt discharge pipe.

[0016] Furthermore, a cleaning assembly is provided inside the bottom cylinder cover, and the cleaning assembly includes a cleaning box, a cleaning pipe and a cleaning valve. The cleaning box is provided on the top of the processing cylinder, and the cleaning box is connected with the processing cylinder through a through connection. A cleaning pipe is provided at the bottom of the cleaning box, and one end of the cleaning pipe away from the cleaning box passes through to the outside of the bottom cylinder cover, and a cleaning valve is provided on the outside of the cleaning pipe.

[0017] The utility model provides an antibacterial ultrafiltration membrane component for water treatment. Compared with the prior art, it has the following beneficial effects:

[0018] The antibacterial copper strips arranged in the antibacterial component can release antibacterial ions in the filter cavity, thereby reducing and inhibiting the growth of bacteria and microorganisms inside the membrane element, thereby preventing bacteria and microorganisms from forming biofilms inside the membrane element, continuously breeding bacteria and reducing the filtration effect of the ultrafiltration membrane component. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 The utility model shows a schematic structural diagram of an antibacterial ultrafiltration membrane assembly for water treatment;

[0021] Figure 2 A schematic diagram showing the distribution of the membrane elements of the utility model is shown;

[0022] Figure 3 The schematic diagram of the cleaning assembly structure of the utility model is shown;

[0023] Figure 4 The schematic diagram of the structure of the antibacterial component of the utility model is shown;

[0024] Figure 5 A schematic diagram showing the distribution of the antibacterial components of the utility model is shown;

[0025] Figure 6 The utility model is shown Figure 5 The enlarged structural diagram at B in the middle;

[0026] Figure 7 The utility model is shown Figure 5 The enlarged structural diagram at A in the middle;

[0027] As shown in the figure: 1. Treatment cylinder; 11. Mounting ring 1; 12. Mounting ring 2; 13. Filter chamber; 14. Purification chamber; 15. Drain; 2. Top cylinder cover; 21. Water inlet; 22. Mounting seat; 3. Bottom cylinder cover; 31. Drain; 4. Membrane element; 5. Antibacterial component; 51. Antibacterial disk; 52. Mounting rod; 53. Antibacterial copper strip; 54. Movable column; 55. Vortex blade; 56. Movable seat; 57. Fixed rod; 6. Dirt discharge component; 61. Dirt discharge pipe; 62. Dirt discharge valve; 7. Cleaning component; 71. Cleaning box; 72. Cleaning pipe; 73. Cleaning valve. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are 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. Example

[0029] In order to solve the technical problems in the background technology, an antibacterial ultrafiltration membrane assembly for water treatment is provided as follows:

[0030] Combination Figure 1-Figure 7 As shown, the utility model provides an antibacterial ultrafiltration membrane assembly for water treatment, comprising a treatment cylinder 1, a top cylinder cover 2 is provided at the top of the treatment cylinder 1, a bottom cylinder cover 3 is provided at the bottom of the treatment cylinder 1, a membrane element 4 for treating water is provided inside the treatment cylinder 1, a filter cavity 13 is formed inside the membrane element 4, a purification cavity 14 is formed between the membrane element 4 and the inner wall of the treatment cylinder 1, an antibacterial antibacterial component 5 is provided inside the treatment cylinder 1, and the antibacterial component 5 is located inside the filter cavity 13; when the ultrafiltration membrane assembly is used, water to be treated will enter the filter cavity 13 inside the membrane element 4, pass through the membrane element 4 and enter the purification cavity 14, during which the membrane element 4 will filter and separate impurities and microorganisms in the water;

[0031] The antibacterial component 5 includes an antibacterial disk 51, a mounting rod 52 and an antibacterial copper strip 53. The antibacterial disk 51 is provided on the top and bottom surfaces of the mounting rod 52, and the antibacterial copper strip 53 is provided on the side of the mounting rod 52. The antibacterial copper strip 53 and the mounting rod 52 are arranged in a ring between the antibacterial disk 51. A mounting component is provided on the side of the antibacterial disk 51 for installation and fixing. The antibacterial copper strip 53 provided in the antibacterial component 5 can release antibacterial ions in the filter cavity 13, thereby reducing and inhibiting the growth of bacteria and microorganisms.

[0032] The bottom of the inner side of the treatment tube 1 is provided with a mounting ring 11 and a mounting ring 2 12, a fixing groove is formed between the mounting ring 2 12 and the mounting ring 1 11, and the fixing groove is engaged and connected with the bottom of the membrane element 4, and a water outlet 15 is opened on the bottom surface of the treatment tube 1, and the bottom of the membrane element 4 can be engaged and fixed through the fixing groove formed between the mounting ring 2 12 and the mounting ring 1 11;

[0033] In this embodiment, a water inlet 21 is provided on the top of the top cylinder cover 2, the top cylinder cover 2 is threadedly connected to the treatment cylinder 1, a mounting seat 22 is provided on the inner bottom surface of the top cylinder cover 2, and the mounting seat 22 is engaged with the top of the membrane element 4. The engagement of the mounting seat 22 with the membrane element 4 can improve the stability of the membrane element 4 in use;

[0034] The bottom cylinder cover 3 is threadedly connected to the top of the treatment cylinder 1, and a drain port 31 is provided at the bottom end of the bottom cylinder cover 3;

[0035] In this embodiment, the mounting assembly includes a movable column 54, a movable seat 56 and a fixed rod 57. The movable column 54 is arranged in the middle of the side of the antibacterial disk 51 away from the mounting rod 52. The outer side of the movable seat 56 is provided with a fixed rod 57. The fixed rods 57 are arranged in a ring on the outer side of the movable seat 56. The fixed rods 57 in the mounting assembly at the top are fixedly connected to the inner side of the mounting seat 22, and the fixed rods 57 in the mounting assembly at the bottom are fixedly connected to the inner side of the mounting ring 212. The rotating connection between the movable seat 56 and the movable column 54 facilitates the rotation of the antibacterial assembly 5 in the filter chamber 13, which is conducive to the later cleaning of the filter chamber 13.

[0036] In this embodiment, the movable column 54 is engaged and rotated with the movable seat 56, and a vortex blade 55 is provided on the inner side of the mounting rod 52, and a plurality of vortex blades 55 are provided between the mounting rods 52; the vortex blades 55 provided on the inner side of the mounting rod 52 can drive the antibacterial component 5 to rotate when the liquid flows, and the rotating antibacterial copper strip 53 can slide against the inner side of the membrane element 4, thereby preventing the impurities and microorganisms inside the filter cavity 13 from being excessively adsorbed on the inner side of the membrane element 4;

[0037] The implementation principle of the first embodiment is as follows: when the ultrafiltration membrane assembly is in use, the water to be treated enters the filter chamber 13 inside the membrane element 4 inside the treatment cylinder 1 through the top cylinder cover 2, and then the water to be treated is filtered through the membrane element 4 and enters the purification chamber 14, and finally is discharged from the assembly through the drain port 15 and the drain port 31 at the bottom of the bottom cylinder cover 3. During the filtration process, the antibacterial copper strips 53 in the antibacterial assembly 5 inside the filter chamber 13 can release copper ions in the filter chamber 13, thereby achieving the purpose of antibacterial and antibacterial. Example

[0038] like Figure 1-Figure 5 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0039] In order to enable the antibacterial ultrafiltration membrane assembly to maintain the filtering effect for a long time, it is necessary to avoid excessive accumulation of impurities in the filter cavity 13. Therefore, this embodiment provides the following design:

[0040] A dirt discharge assembly 6 is provided on the side of the top cylinder cover 2. The dirt discharge assembly 6 includes a dirt discharge pipe 61 and a dirt discharge valve 62. The dirt discharge pipe 61 runs through the middle of the top cylinder cover 2. A dirt discharge valve 62 is provided in the middle of the dirt discharge pipe 61. The dirt discharge pipe 61 provided in the dirt discharge assembly 6 facilitates the discharge of impurities and microorganisms in the filter chamber 13. The setting of the dirt discharge valve 62 can close the dirt discharge pipe 61 when dirt discharge is not required to prevent the normal operation of the membrane element 4 from being affected.

[0041] In this embodiment, a cleaning assembly 7 is provided inside the bottom cylinder cover 3, and the cleaning assembly 7 includes a cleaning box 71, a cleaning pipe 72 and a cleaning valve 73. The cleaning box 71 is provided on the top of the treatment cylinder 1, and the cleaning box 71 is connected with the treatment cylinder 1 through the cleaning pipe 72 at the bottom of the cleaning box 71. The end of the cleaning pipe 72 away from the cleaning box 71 passes through the outside of the bottom cylinder cover 3, and a cleaning valve 73 is provided on the outside of the cleaning pipe 72. Through the cleaning pipe 72 provided in the cleaning assembly 7, cleaning water can be sent from the cleaning box 71 to the filter cavity 13, so that the cleaning water can discharge the impurities and dirt in the filter cavity 13 through the dirty discharge pipe 61;

[0042] The implementation principle of the second embodiment is: after the membrane element 4 has been filtering for a long time, too much dirt and impurities are accumulated inside the filter chamber 13, which may block the membrane element 4. At this time, the cleaning pipe 72 in the cleaning component 7 sends cleaning water into the filter chamber 13 through the cleaning box 71. Antibacterial agents can be added to the cleaning water, such as chlorine-containing disinfectants. The cleaning water entering the filter chamber 13 disinfects the filter chamber 13 while discharging the dirt and impurities in the filter chamber 13 through the dirt discharge pipe 61. In this way, it is easy to maintain the filtering effect of the membrane element 4, which is beneficial to the long-term use of the ultrafiltration membrane component.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An antibacterial ultrafiltration membrane assembly for water treatment, characterized in that: The invention comprises a treatment cylinder (1), wherein a top cylinder cover (2) is provided at the top end of the treatment cylinder (1), a bottom cylinder cover (3) is provided at the bottom end of the treatment cylinder (1), a membrane element (4) for treating water is provided inside the treatment cylinder (1), a filter cavity (13) is formed inside the membrane element (4), a purification cavity (14) is formed between the membrane element (4) and the inner wall of the treatment cylinder (1), an antibacterial antibacterial component (5) is provided inside the treatment cylinder (1), and the antibacterial component (5) is located inside the filter cavity (13); The antibacterial component (5) comprises an antibacterial disk (51), a mounting rod (52) and an antibacterial copper strip (53); the antibacterial disk (51) is provided on the top and bottom surfaces of the mounting rod (52); the antibacterial copper strip (53) is provided on the side of the mounting rod (52); the antibacterial copper strip (53) and the mounting rod (52) are arranged in a ring between the antibacterial disk (51); and a mounting component is provided on the side of the antibacterial disk (51) for fixing the antibacterial disk; The bottom of the inner side of the treatment tube (1) is provided with a first mounting ring (11) and a second mounting ring (12); a fixing groove is formed between the second mounting ring (12) and the first mounting ring (11); the fixing groove is snap-connected with the bottom of the membrane element (4); and a water outlet (15) is provided on the bottom surface of the treatment tube (1).

2. The antibacterial ultrafiltration membrane assembly for water treatment according to claim 1, characterized in that: The top of the top cylinder cover (2) is provided with a water inlet (21), the top cylinder cover (2) is threadedly connected to the treatment cylinder (1), the inner bottom surface of the top cylinder cover (2) is provided with a mounting seat (22), and the mounting seat (22) is snap-fittedly connected to the top of the membrane element (4); The bottom cylinder cover (3) is threadedly connected to the top of the treatment cylinder (1), and a drainage port (31) is provided at the bottom end of the bottom cylinder cover (3).

3. The antibacterial ultrafiltration membrane assembly for water treatment according to claim 1, characterized in that: The mounting assembly comprises a movable column (54), a movable seat (56) and a fixed rod (57), wherein the movable column (54) is arranged at the middle of a side of the antibacterial disk (51) away from the mounting rod (52), a fixed rod (57) is arranged on the outer side of the movable seat (56), and the fixed rods (57) are arranged in a ring on the outer side of the movable seat (56), the fixed rod (57) in the mounting assembly located at the top is fixedly connected to the inner side of the mounting seat (22), and the fixed rod (57) in the mounting assembly located at the bottom is fixedly connected to the inner side of the second mounting ring (12).

4. The antibacterial ultrafiltration membrane assembly for water treatment according to claim 3, characterized in that: The movable column (54) is engaged and rotated with the movable seat (56); a vortex blade (55) is provided inside the mounting rod (52); and a plurality of vortex blades (55) are provided between the mounting rods (52).

5. The antibacterial ultrafiltration membrane assembly for water treatment according to claim 1, characterized in that: A dirt discharge assembly (6) is provided on the side of the top cylinder cover (2), the dirt discharge assembly (6) comprising a dirt discharge pipe (61) and a dirt discharge valve (62), the dirt discharge pipe (61) penetrates to the middle of the top cylinder cover (2), and the dirt discharge valve (62) is provided in the middle of the dirt discharge pipe (61).

6. The antibacterial ultrafiltration membrane assembly for water treatment according to claim 1, characterized in that: A cleaning assembly (7) is provided inside the bottom cylinder cover (3), and the cleaning assembly (7) comprises a cleaning box (71), a cleaning pipe (72) and a cleaning valve (73). The cleaning box (71) is provided on the top of the processing cylinder (1), and the cleaning box (71) is connected to the processing cylinder (1) through a through hole. A cleaning pipe (72) is provided at the bottom of the cleaning box (71), and one end of the cleaning pipe (72) facing away from the cleaning box (71) passes through to the outside of the bottom cylinder cover (3), and a cleaning valve (73) is provided on the outside of the cleaning pipe (72).

Citation Information

Patent Citations

  • Water treatment ultrafiltration membrane assembly

    CN217042092U