Novel precise filtering device for silica sol
By designing the housing, filter device, and electric push rod in a coordinated manner, the system achieves unified collection and simplified cleaning of silica sol impurities, solving the problem of impurity adhesion in silica sol filtration devices and improving filtration quality and convenience.
Patent Information
- Application Number
- CN202520459316.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-17
AI Technical Summary
In existing silica sol filtration devices, silica sol impurities tend to adhere to the inner wall of the chamber, making cleaning inconvenient and easily causing contamination between different batches of silica sol, thus affecting the filtration quality.
A structure including a housing, a filter device, a lid, and an electric push rod was designed. Through the cooperation of multi-stage filters and a lifting plate, the unified collection and simplified cleaning of silica sol impurities are achieved. The multi-stage filter structure and the lifting plate design enable precise filtration of silica sol and convenient impurity treatment.
It effectively solves the problem of cleaning silica sol impurities on the inner wall of the chamber, simplifies the impurity handling steps, reduces the burden on staff, prevents impurity contamination, and improves filtration quality.
Smart Images

Figure CN223945129U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of silica sol filtration, in particular to a novel silica sol precision filtration device. BACKGROUND
[0002] Silica sol is a dispersion liquid of nanoscale silicon dioxide particles in water or solvent, and silica sol needs to be filtered by a filter device during production to obtain silica sol particles with little size difference.
[0003] However, the filter screen in the existing silica sol filtration only undergoes one filtration during the filtration process, resulting in poor filtration effect. Therefore, to improve the filtration effect of silica sol, some technologies propose to use related filtration components to assist the use of silica sol filtration devices. For example, a utility model patent with publication number CN215387887U proposes a silica sol production filter device. In the re-filtration process, the second electric push rod drives the first filter screen and the second filter screen to oscillate slightly in the vertical direction, ensuring smooth filtration.
[0004] According to the above-mentioned technical content, the implementation of the related technical structure is beneficial to the filtration of silica sol in theory. However, according to the description in the above-mentioned technical content, silica sol is poured into the inside of the box through the feed inlet for filtration processing, and the impurities of the filtered silica sol are easily adhered to the inner wall of the box. Since the box is in a sealed state, it is inconvenient for the workers to clean the wall-hung silica sol inside the box. At this time, not only does it increase the work burden of the workers on the wall-hung silica sol, but it also brings inconvenience to the workers in cleaning the wall-hung silica sol inside the box, and it is easy to cause mutual contamination of different batches of silica sol, thereby affecting the quality of the filtered silica sol. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of the prior art, the utility model provides a novel silica sol precision filtration device, which has the advantages of facilitating the collection of impurities after silica sol filtration, simplifying the work steps of impurity treatment after silica sol filtration, and reducing the workload of workers in cleaning silica sol impurities, solving the problems raised in the above background technology.
[0006] The utility model provides a following technical scheme: a novel precision filtering device of silica sol, including the box, the front surface fixed mounting of box is used for the discharge pipe of filtered silica sol's discharge, the right side of box is connected with the box cover through the electric push rod no.
[0007] Preferably, the lower end of the box is fixedly installed with a bottom plate below the first electric push rod, and the inner wall of the bottom plate is fixedly connected with the outer wall of the second electric push rod, the upper end surface of the bottom plate is fixedly connected with the lower end of the feeding pump, and the lower end surface of the bottom plate is fixedly installed with a supporting leg outside the second electric push rod.
[0008] Preferably, the lower end of the box is fixedly installed with a bottom plate below the first electric push rod, and the inner wall of the bottom plate is fixedly connected with the outer wall of the second electric push rod, the upper end surface of the bottom plate is fixedly connected with the lower end of the feeding pump, and the lower end surface of the bottom plate is fixedly installed with a supporting leg outside the second electric push rod.
[0009] Preferably, the left side of the feeding pump is fixedly installed with a feeding pipe, the upper end of the feeding pump is fixedly connected with a discharge pipe, one end of the discharge pipe away from the feeding pump is fixedly installed with a telescopic pipe, and the lower end of the telescopic pipe is fixedly sleeved with the inner wall of the box cover and extends to the inside of the filtering device.
[0010] Preferably, the lower end surface of the filtering device is provided with a groove above the lifting plate, the lower end surface of the filtering device is provided with a positioning groove outside the groove, the filtering device comprises an inner filter screen, a spacer and an outer filter screen, the inner filter screen, the spacer and the outer filter screen are sequentially installed from inside to outside, the spacer is located between the inner filter screen and the outer filter screen, the outer wall of the outer filter screen is uniformly distributed with a sliding block, and one end of the sliding block away from the outer filter screen is slidingly connected with the inner wall of the box, and filter holes are respectively arranged on the inner filter screen, the spacer and the outer filter screen, and the diameter values of the filter holes on the inner filter screen, the spacer and the outer filter screen are sequentially reduced.
[0011] Preferably, the upper end surface of the lifting plate is fixedly installed with a protruding block in the middle, the outer wall of the protruding block is movably connected with the inner wall of the groove, the upper end surface of the lifting plate is uniformly distributed with a positioning column, the outer wall of the positioning column is movably sleeved with the inner wall of the positioning groove, the upper end surface of the lifting plate is fixedly installed with a baffle outside the positioning column, and the inner wall of the baffle is movably connected with the outer wall of the outer filter screen.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] 1、 The utility model discloses a box body, filter device, the cooperation of box cover and no. 2 electric push rod, utilize the setting of filter device, realized the unified collection of the impurity of silica sol after filtering, effectively solved the problem that silica sol impurity wall -hanging in the box body is inconvenient to clean in above-mentioned disclosure technical content, the collection mode of filter device after the filtration of silica sol impurity, not only simplified the cleaning work of the wall -hanging impurity in the box body, reduced the work load of staff, also prevented the pollution of wall -hanging impurity to different batches of silica sol, thereby improved the filtration quality of silica sol.
[0014] 2、 The utility model discloses the cooperation of no. 2 electric push rod, filter device, recess and protruding piece, utilize the setting of recess and protruding piece, realized the connecting effect of no. 2 electric push rod and filter device, effectively solved the taking and placing problem of filter device in the box body, adopt the connecting mode of changing recess and protruding piece, simplified the dismounting step of filter device on the output shaft of no. 2 electric push rod, thereby convenient for the movement of filter device in the box body. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is the structure schematic diagram of the utility model;
[0016] Figure 2 It is the bottom view of the box cover of the utility model;
[0017] Figure 3 It is the top view of the box body of the utility model;
[0018] Figure 4 It is the sectional view of filter device of the utility model;
[0019] Figure 5 It is the bottom view of recess of the utility model;
[0020] Figure 6 It is the top view of the positioning column of the utility model.
[0021] In the drawing: 1, box body;2, no. 1 electric push rod;3, box cover;4, feeding pump;5, filter device;501, inner filter screen;502, interlayer;503, outer filter screen;6, lifting plate;7, no. 2 electric push rod;8, discharge pipe;9, bottom plate;10, support leg;11, lower bottom plate;12, limit plate;13, upper end plate;14, feed pipe;15, discharge pipe;16, flexible pipe;17, filter hole;18, sliding block;19, recess;20, positioning groove;21, protruding piece;22, positioning column;23, baffle. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.
[0023] Please refer to Figure 1 With Figure 3 A novel silica sol precision filtering device, including box 1, the front of the box 1 is fixedly installed for filtering the discharge of silica sol discharge pipe 8, the setting is filtered out of the silica sol discharge channel, the right side of the box 1 is movably connected with the box cover 3 through the first electric push rod 2, and the lower end of the box cover 3 is movably connected with the upper end of the box 1, the connection mode of the movable clamping, so that the box cover 3 and the box 1 can not only be connected but also be separated, the left side of the box cover 3 is fixedly connected with the feeding pump 4 through the pipeline, the installation of the feeding pump 4 provides power for the unfiltered silica sol to be added to the inside of the box 1, the inside of the box 1 movably sleeves the filter device 5 for silica sol filtering, the installation of the filter device 5 can filter the silica sol layer by layer, and the effect of precision filtering is achieved, the lower end of the filter device 5 is provided with the lifting plate 6, the installation of the lifting plate 6 provides a platform for the placement of the filter device 5, the lower end of the lifting plate 6 is fixedly installed with the second electric push rod 7 located below the box 1, the telescopic movement of the output shaft in the second electric push rod 7 provides power for the vertical lifting movement of the filter device 5 in the box 1, and the upper end of the output shaft of the second electric push rod 7 penetrates the inner wall of the bottom of the box 1 and is fixedly connected with the lower end of the lifting plate 6.
[0024] The lower end of the box 1 is fixedly installed with the bottom plate 9 located below the first electric push rod 2, and the inner wall of the bottom plate 9 is fixedly sleeved with the outer wall of the second electric push rod 7, the upper end surface of the bottom plate 9 is fixedly connected with the lower end of the feeding pump 4, the bottom plate 9 is provided to support and provide a platform for the installation of the feeding pump 4 and the box 1, and the lower end surface of the bottom plate 9 is fixedly installed with the supporting leg 10 located outside the second electric push rod 7, the supporting leg 10 is provided to support the bottom plate 9.
[0025] Please refer to Figure 2 With Figure 4 The lower end of the first electric push rod 2 is fixedly installed with the lower bottom plate 11, and the left side of the lower bottom plate 11 is fixedly connected with the outer wall of the box 1, the lower bottom plate 11 is provided to connect the first electric push rod 2 and the box 1, the upper end of the output shaft of the first electric push rod 2 is fixedly installed with the upper end plate 13, and the left side of the upper end plate 13 is fixedly connected with the right side of the box 1, the upper end plate 13 is provided to connect the first electric push rod 2 and the box cover 3, the lower end of the box cover 3 is fixedly installed with the limiting plate 12, and the inner wall of the limiting plate 12 is movably clamped with the outer wall of the filter device 5.
[0026] The left side of the feeding pump 4 is fixedly provided with an inlet pipe 14, and the upper end of the feeding pump 4 is fixedly connected with an outlet pipe 15, which is connected with the telescopic pipe 16, and the outlet pipe 15 is fixedly provided with the telescopic pipe 16 at the end away from the feeding pump 4, and the lower end of the telescopic pipe 16 is fixedly sleeved with the inner wall of the box cover 3 and extends into the inside of the filtering device 5, and the telescopic pipe 16 is connected with the box cover 3 and the outlet pipe 15.
[0027] Please refer to Figure 6 With Figure 5 The lower end surface of the filtering device 5 is provided with a recess 19 above the lifting plate 6, and the lower end surface of the filtering device 5 is provided with a positioning groove 20 outside the recess 19, and the filtering device 5 comprises an inner filter screen 501, a partition layer 502 and an outer filter screen 503, which are installed in sequence from inside to outside, and the partition layer 502 is located between the inner filter screen 501 and the outer filter screen 503, and the outer wall of the outer filter screen 503 is uniformly distributed with a sliding block 18, and the end of the sliding block 18 away from the outer filter screen 503 is slidingly connected with the inner wall of the box body 1, and the inner filter screen 501, the partition layer 502 and the outer filter screen 503 are respectively provided with filter holes 17, and the diameter of the filter holes 17 on the inner filter screen 501, the partition layer 502 and the outer filter screen 503 decreases in sequence, and the silica sol passes through the inner filter screen 501, the partition layer 502 and the outer filter screen 503 in sequence, so that the silica sol is precisely filtered.
[0028] The upper end surface of the lifting plate 6 is fixedly provided with a protruding block 21, and the outer wall of the protruding block 21 is movably clamped with the inner wall of the recess 19, and the protruding block 21 is clamped with the recess 19, so that the lifting plate 6 is connected with the filtering device 5, and the upper end surface of the lifting plate 6 is uniformly distributed with a positioning column 22, and the outer wall of the positioning column 22 is movably sleeved with the inner wall of the positioning groove 20, and the upper end surface of the lifting plate 6 is fixedly provided with a baffle 23 outside the positioning column 22, and the inner wall of the baffle 23 is movably clamped with the outer wall of the outer filter screen 503.
[0029] Working principle: in use, first, by the setting of the feeding pump 4, the impurity-removed silica sol is discharged from the inside of the feeding pipe 14 to the inside of the discharge pipe 15, and then to the inside of the telescopic pipe 16 to the inside of the filtering device 5, at this time, the silica sol is added to the inside of the inner filter screen 501, since the inner filter screen 501, the interlayer 502 and the outer filter screen 503 are respectively provided with corresponding filter holes 17, and the filter holes 17 on the inner filter screen 501, the interlayer 502 and the outer filter screen 503 have different diameter values, at the same time, the diameter values of the filter holes 17 on the inner filter screen 501, the interlayer 502 and the outer filter screen 503 gradually decrease from inside to outside, so that the silica sol is subjected to multi-stage precision filtration, then, the filtered silica sol flows to the inside of the box body 1 from the filter holes 17 on the outer filter screen 503, and is discharged to the outside of the box body 1 from the discharge pipe 8, finally, after the silica sol filtration is completed, the power supply of the first electric push rod 2 is turned on, the extension of the output shaft in the first electric push rod 2 drives the separation of the box cover 3 and the box body 1 through the connection of the upper end plate 13, since the telescopic pipe 16 has a certain telescopic capacity, the box cover 3 is not limited by the discharge pipe 15 during the lifting movement, then the power supply of the second electric push rod 7 is turned on, the extension of the output shaft in the second electric push rod 7 drives the extension of the filtering device 5 from the inside of the box body 1 through the lifting plate 6, at this time, the filtering device 5 is removed from the lifting plate 6, so that the collection and treatment of the impurities generated after the filtration of the silica sol can be realized.
[0030] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, in the drawings of the present application, the filling patterns are only for distinguishing layers, and do not have any other limitations.
[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made thereto without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A novel precision filtering device for silica sol, comprising a box (1), characterized in that: The front of the box (1) is fixedly installed with a discharge pipe (8) for filtering the discharge of silica sol, the right side of the box (1) is movably connected with the box cover (3) through a first electric push rod (2), the lower end of the box cover (3) is movably connected with the upper end of the box (1), the left side of the box cover (3) is fixedly connected with a feeding pump (4) through a pipeline, the inside of the box (1) is movably sleeved with a filtering device (5) for filtering silica sol, the lower end of the filtering device (5) is provided with a lifting plate (6), the lower end of the lifting plate (6) is fixedly installed with a second electric push rod (7) below the box (1), and the upper end of the output shaft of the second electric push rod (7) penetrates through the inner wall of the bottom of the box (1) and is fixedly connected with the lower end of the lifting plate (6).
2. A novel precision filtering device for silica sol as claimed in claim 1, wherein: The lower end of the box (1) is fixedly installed with a bottom plate (9) below the first electric push rod (2), and the inner wall of the bottom plate (9) is fixedly sleeved with the outer wall of the second electric push rod (7), the upper end surface of the bottom plate (9) is fixedly connected with the lower end of the feeding pump (4), and the lower end surface of the bottom plate (9) is fixedly installed with a supporting leg (10) outside the second electric push rod (7).
3. A novel precision filtering device for silica sol as claimed in claim 1, wherein: The lower end of the first electric push rod (2) is fixedly installed with a lower bottom plate (11), and the left side of the lower bottom plate (11) is fixedly connected with the outer wall of the box (1), the upper end of the output shaft of the first electric push rod (2) is fixedly installed with an upper end plate (13), and the left side of the upper end plate (13) is fixedly connected with the right side of the box (1), the lower end of the box cover (3) is fixedly installed with a limiting plate (12), and the inner wall of the limiting plate (12) is movably connected with the outer wall of the filtering device (5).
4. A novel precision filtering device for silica sol as claimed in claim 1, wherein: The left side of the feeding pump (4) is fixedly installed with a feeding pipe (14), the upper end of the feeding pump (4) is fixedly connected with a discharging pipe (15), one end of the discharging pipe (15) away from the feeding pump (4) is fixedly installed with a telescopic pipe (16), and the lower end of the telescopic pipe (16) is fixedly sleeved with the inner wall of the box cover (3) and extends to the inside of the filtering device (5).
5. A novel precision filtering device for silica sol as claimed in claim 4, wherein: The middle of the lower end surface of the filtering device (5) is provided with a groove (19) above the lifting plate (6), the lower end surface of the filtering device (5) is provided with a positioning groove (20) outside the groove (19), the filtering device (5) comprises an inner filter screen (501), a partition layer (502) and an outer filter screen (503), the inner filter screen (501), the partition layer (502) and the outer filter screen (503) are sequentially installed from inside to outside, the partition layer (502) is between the inner filter screen (501) and the outer filter screen (503), the outer wall of the outer filter screen (503) is uniformly provided with a sliding block (18), one end of the sliding block (18) away from the outer filter screen (503) is slidably connected with the inner wall of the box (1), and filter holes (17) are respectively formed in the inner filter screen (501), the partition layer (502) and the outer filter screen (503), and the diameter values of the filter holes (17) in the inner filter screen (501), the partition layer (502) and the outer filter screen (503) decrease in sequence.
6. A novel precision filtering device for silica sol as claimed in claim 5, wherein: The middle part of the upper end surface of the lifting plate (6) is fixedly provided with a protrusion (21), and the outer wall of the protrusion (21) is movably clamped with the inner wall of the groove (19); the upper end surface of the lifting plate (6) is uniformly provided with a positioning column (22), and the outer wall of the positioning column (22) is movably sleeved with the inner wall of the positioning groove (20); the upper end surface of the lifting plate (6) is fixedly provided with a baffle (23) outside the positioning column (22), and the inner wall of the baffle (23) is movably clamped with the outer wall of the outer filter screen (503).
Citation Information
Patent Citations
Filtering device for silica sol production
CN215387887U