Nanofiltration membrane filter

Abstract

The utility model relates to the technical field of filters, in particular to a nanofiltration membrane filter which comprises a filter cartridge, mounting mechanisms are arranged at the two ends of the filter cartridge, each mounting mechanism comprises a fixing sleeve, the fixing sleeves are fixedly connected to the outer wall of the filter cartridge, and the outer walls of the fixing sleeves are fixedly connected with mounting boxes communicated with the mounting fixing sleeves. An adjusting assembly is arranged on the inner wall of the mounting box, a round opening is formed in the outer wall of the bottom of the mounting box, a mounting pipe is fixedly connected to the inner wall of the round opening, the adjusting assembly comprises a mounting plate, the mounting plate is fixedly connected to the inner wall of the mounting box, and a round groove is formed in the outer wall of the bottom of the mounting plate. The filter cartridge overcomes the defects in the prior art, the installation mechanisms are arranged at the two ends of the filter cartridge, the adjusting assemblies in the installation boxes in the installation mechanisms can effectively adjust the flow of liquid passing through the installation boxes, meanwhile, the filter cartridge does not need to be rotated through adjustment of the adjusting assemblies, and therefore the problem that the sealing performance of the filter cartridge is reduced is avoided; the problem that an existing filter is prone to sealing performance is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a nanofiltration membrane filter. Background Art

[0002] Nanofiltration membrane: The pore size is above 1nm, generally 1-2nm. It is a functional semi-permeable membrane that allows solvent molecules or certain low molecular weight solutes or low-valent ions to pass through. It is a special and promising separation membrane variety, named because it can retain substances of about nanometer size. It is used to remove organic matter and color from surface water, remove hardness from groundwater, partially remove soluble salts, concentrate fruit juice, and separate useful substances in medicines.

[0003] After searching, the Chinese patent publication number CN218307246U discloses a nanofiltration membrane filter, including a filter cartridge, a liquid core column arranged at the inner axis of the filter cartridge, a filter element installed between the filter cartridge and the liquid core column, a liquid inlet seat arranged at the left end of the filter cartridge, and a liquid outlet seat arranged at the right end of the filter cartridge, wherein the liquid inlet seat and the liquid outlet seat are movably mounted on both ends of the filter cartridge, and a pressure regulating mechanism for adjusting the water pressure of the liquid passing through the filter cartridge is arranged between the liquid inlet seat, the liquid outlet seat and the filter cartridge.

[0004] A nanofiltration membrane filter in the above patent has the following shortcomings: in the above patent, the flow area of ​​the liquid inlet pipe entering the filter cartridge and the flow area of ​​the liquid outlet pipe discharged from the filter cartridge are adjusted, but the rotation adjustment method will affect the sealing of the filter cartridge, thereby affecting the filtration efficiency of the filter. Utility Model Content

[0005] The purpose of the utility model is to solve or at least alleviate the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nanofiltration membrane filter, comprising a filter cartridge, both ends of the filter cartridge are provided with mounting mechanisms, the mounting mechanisms include a fixing sleeve, and the fixing sleeve is fixedly connected to the outer wall of the filter cartridge, the outer wall of the fixing sleeve is fixedly connected to an installation box which is connected to the fixing sleeve, the inner wall of the installation box is provided with an adjustment component, the bottom outer wall of the installation box is provided with a circular opening, and the inner wall of the circular opening is fixedly connected to a mounting pipe, the adjustment component includes a mounting plate, and the mounting plate is fixedly connected to the inner wall of the installation box, the bottom outer wall of the mounting plate is provided with a circular groove, and the inner wall of the circular groove is rotatably connected to an adjustment disk.

[0007] With the above structure, the liquid flow entering and exiting the fixed sleeve can be conveniently controlled through the adjusting assembly in the mounting box in the mounting mechanism, and the adjusting disk can rotate in the circular groove.

[0008] The inner wall at the top of the circular groove is provided with a plurality of drainage holes which are equidistantly distributed in a circular pattern, and the outer wall at the top of the regulating disk is provided with a plurality of through holes corresponding to the drainage holes.

[0009] With the above structure, the liquid can be discharged through the installation box by overlapping the through hole and the drainage hole.

[0010] A worm gear is fixedly connected at the center of the outer wall of the bottom of the adjusting disk, and the worm gear and the adjusting disk rotate coaxially.

[0011] With the above structure, the adjusting disk can be driven to rotate conveniently through the setting of the worm gear.

[0012] The outer wall at the bottom of the mounting plate is fixedly connected to two symmetrically arranged fixing seats, and a same worm is rotatably connected between the two fixing seats.

[0013] With the above structure, the worm gear can be directly driven to rotate conveniently through the worm.

[0014] The worm and the worm wheel are meshed with each other, and an outer wall on one side of the installation box is rotatably connected with an adjusting knob connected to the worm.

[0015] With the above structure, the adjustment knob is rotated to directly drive the worm to drive the worm wheel to drive the adjustment disk to rotate.

[0016] The inner wall of the filter cartridge is fixedly connected with two mesh plates, and a filter element is arranged between the two mesh plates.

[0017] With the above structure, the filter element can be conveniently fixed by setting the mesh plate.

[0018] A same liquid core column is fixedly connected between the two mesh plates, and the liquid core column penetrates the filter element.

[0019] With the above structure, the liquid is filtered through the filter element, and the filtered liquid is discharged through the liquid core column.

[0020] The outer walls on both sides of the fixing sleeves in the two installation mechanisms are provided with connecting ports, and the liquid core column is fixedly connected to the two connecting ports.

[0021] With the above structure, the filtered liquid can be easily discharged through the liquid core column penetrating the two fixing sleeves.

[0022] Compared with the prior art, the beneficial effects of the utility model are:

[0023] (1) The utility model provides mounting mechanisms at both ends of the filter cartridge. The regulating components in the mounting box of the mounting mechanism can effectively regulate the liquid flow through the mounting box. At the same time, the regulating components are used to regulate the flow without rotating the filter cartridge, thereby avoiding the problem of decreased sealing of the filter cartridge, thus solving the problem of sealing that is easy to occur in existing filters.

[0024] (2) The utility model provides a rotatable adjustment disk in the adjustment component. The adjustment disk is rotated to control the overlap between the drainage hole and the through hole to control the amount of liquid flowing in and out. The adjustment knob, the worm wheel and the worm are coordinated to facilitate manual adjustment of the adjustment disk. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 It is a partial cross-sectional structural schematic diagram of the filter cartridge of the utility model;

[0027] Figure 3 This is a schematic diagram of the installation mechanism structure of the utility model;

[0028] Figure 4 This is a schematic diagram of the installation box structure of the utility model;

[0029] Figure 5 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0030] Figure 6 This is a schematic diagram of the structure of the adjustment disk of the utility model.

[0031] In the figure: 1. filter cartridge; 2. mounting mechanism; 3. filter element; 4. mesh plate; 5. liquid core column; 6. fixing sleeve; 7. mounting box; 8. mounting pipe; 9. adjusting knob; 10. adjusting assembly; 11. mounting plate; 12. drain hole; 13. fixing seat; 14. adjusting disk; 15. worm gear; 16. through hole; 17. worm. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in 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 in 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.

[0033] See also Figure 1-6A nanofiltration membrane filter comprises a filter cartridge 1, both ends of the filter cartridge 1 are provided with mounting mechanisms 2, the mounting mechanism 2 comprises a fixing sleeve 6, and the fixing sleeve 6 is fixedly connected to the outer wall of the filter cartridge 1, the outer wall of the fixing sleeve 6 is fixedly connected with a mounting box 7 which is connected with the fixing sleeve 6, the inner wall of the mounting box 7 is provided with an adjusting component 10, the outer wall of the bottom of the mounting box 7 is provided with a circular opening, and the inner wall of the circular opening is fixedly connected with a mounting pipe 8, the adjusting component 10 comprises a mounting plate 11, and the mounting plate 11 is fixedly connected to the inner wall of the mounting box 7, the outer wall of the bottom of the mounting plate 11 is provided with a circular groove, and the inner wall of the circular groove is rotatably connected with an adjusting disk 14, through the adjusting component 10 in the mounting box 7 in the mounting mechanism 2, the liquid flow entering and discharged from the fixing sleeve 6 is conveniently controlled, and the adjusting disk 14 can rotate in the circular groove.

[0034] For details, please refer to Figure 5-6 The inner wall at the top of the circular groove is provided with a plurality of drainage holes 12 which are equidistantly distributed in a circular pattern. The outer wall at the top of the regulating disk 14 is provided with a plurality of through holes 16 which correspond to the drainage holes 12. The liquid can be discharged through the installation box 7 by overlapping the through holes 16 with the drainage holes 12.

[0035] For details, please refer to Figure 6 A worm gear 15 is fixedly connected to the center of the outer wall of the bottom of the adjusting disk 14 . The worm gear 15 and the adjusting disk 14 rotate coaxially. The setting of the worm gear 15 facilitates the rotation of the adjusting disk 14 .

[0036] For details, please refer to Figure 6 The outer wall at the bottom of the mounting plate 11 is fixedly connected to two symmetrically arranged fixing seats 13 , and a worm 17 is rotatably connected between the two fixing seats 13 , so that the worm gear 15 can be directly driven to rotate by the worm 17 .

[0037] For details, please refer to Figure 6 The worm 17 and the worm wheel 15 mesh with each other, and an outer wall of one side of the mounting box 7 is rotatably connected to an adjusting knob 9 connected to the worm 17. The rotation of the adjusting knob 9 directly drives the worm 17 to drive the worm wheel 15 to drive the adjusting disk 14 to rotate.

[0038] For details, please refer to Figure 2 Two mesh plates 4 are fixedly connected to the inner wall of the filter cartridge 1, and a filter element 3 is arranged between the two mesh plates 4. The arrangement of the mesh plates 4 facilitates the fixing of the filter element 3.

[0039] For details, please refer to Figure 2 A same liquid core column 5 is fixedly connected between the two mesh plates 4 , and the liquid core column 5 penetrates the filter element 3 , and the liquid is filtered through the filter element 3 , and the filtered liquid is discharged through the liquid core column 5 .

[0040] For details, please refer to Figure 1-2The outer walls of both sides of the fixed sleeves 6 in the two installation mechanisms 2 are provided with connection ports, and the liquid core column 5 is fixedly connected to the two connection ports. The liquid core column 5 penetrates the two fixed sleeves 6 to facilitate the discharge of the filtered liquid.

[0041] Working principle: When in use, the water inlet pipe and the water outlet pipe are respectively connected to the two mounting mechanisms 2. When water enters the filter cartridge 1, it is filtered by the filter element 3 and discharged through the two ends of the liquid core column 5. The filtered impurities are discharged through one of the mounting mechanisms 2. When it is necessary to adjust the water inlet and outlet, the adjusting knob 9 is manually turned directly. When the adjusting knob 9 is turned, the worm 17 is directly driven to rotate. The rotation of the worm 17 directly drives the worm wheel 15 to rotate. The rotation of the worm wheel 15 drives the adjusting disk 14 to rotate. When the adjusting disk 14 is rotated, it is convenient to adjust the overlap and stagger of the through hole 16 and the drainage hole 12, so that the flow rate of the inlet and outlet can be adjusted and controlled.

[0042] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A nanofiltration membrane filter, comprising a filter cartridge (1), characterized in that: Both ends of the filter cartridge (1) are provided with mounting mechanisms (2), the mounting mechanisms (2) comprising a fixing sleeve (6), and the fixing sleeve (6) is fixedly connected to the outer wall of the filter cartridge (1), the outer wall of the fixing sleeve (6) is fixedly connected to a mounting box (7) which is in communication with the fixing sleeve (6), the inner wall of the mounting box (7) is provided with an adjustment component (10), the bottom outer wall of the mounting box (7) is provided with a circular opening, and the inner wall of the circular opening is fixedly connected to a mounting pipe (8), the adjustment component (10) comprises a mounting plate (11), and the mounting plate (11) is fixedly connected to the inner wall of the mounting box (7), the bottom outer wall of the mounting plate (11) is provided with a circular groove, and the inner wall of the circular groove is rotatably connected to an adjustment disk (14).

2. A nanofiltration membrane filter according to claim 1, characterized in that: The inner wall at the top of the circular groove is provided with a plurality of drainage holes (12) distributed in a circular pattern at equal distances, and the outer wall at the top of the regulating disk (14) is provided with a plurality of through holes (16) corresponding to the drainage holes (12).

3. A nanofiltration membrane filter according to claim 2, characterized in that: A worm gear (15) is fixedly connected to the center of the outer wall of the bottom of the adjusting disk (14), and the worm gear (15) and the adjusting disk (14) rotate coaxially.

4. A nanofiltration membrane filter according to claim 3, characterized in that: Two symmetrically arranged fixing seats (13) are fixedly connected to the outer wall at the bottom of the mounting plate (11), and a same worm (17) is rotatably connected between the two fixing seats (13).

5. A nanofiltration membrane filter according to claim 4, characterized in that: The worm (17) and the worm wheel (15) are meshed with each other, and an outer wall of one side of the installation box (7) is rotatably connected to an adjusting knob (9) connected to the worm (17).

6. A nanofiltration membrane filter according to claim 5, characterized in that: Two mesh plates (4) are fixedly connected to the inner wall of the filter cartridge (1), and a filter element (3) is arranged between the two mesh plates (4).

7. A nanofiltration membrane filter according to claim 6, characterized in that: The same liquid core column (5) is fixedly connected between the two mesh plates (4), and the liquid core column (5) penetrates the filter element (3).

8. A nanofiltration membrane filter according to claim 7, characterized in that: The outer walls of both sides of the fixing sleeves (6) in the two installation mechanisms (2) are provided with connection ports, and the liquid core column (5) is fixedly connected to the two connection ports.

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