Colloidal silicon dioxide purification device

Abstract

The utility model discloses a colloidal silicon dioxide purification device, which relates to the technical field of silicon dioxide processing and comprises a purification cylinder, a filter frame fixed in the purification cylinder and adopting an annular structure, and a sealing seat arranged in an annular groove of the filter frame, an inverted circular-truncated-cone-shaped curved surface is arranged on the filter frame, and a filter screen is arranged on the curved surface; a rotating seat is rotationally mounted at the upper part of the sealing seat; a scraping plate attached to the filter screen is mounted on the side surface of the rotating seat through a bracket; a rotating table is rotationally installed on the lower portion of the sealing seat, a spiral transmission blade is arranged on the side face of the rotating table, and a rotating shaft of the rotating seat is fixedly connected with a rotating shaft of the rotating table through a connecting column in the sealing seat; when the filter screen is used for filtering, filtered materials fall on a transmission blade to push the transmission blade to rotate, and a rotating table drives a rotating seat to rotate synchronously, so that a scraping plate is attached to the filter screen to rotate to scrape the filter screen; impurities are effectively prevented from blocking the filter screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silicon dioxide processing, specifically to a colloidal silicon dioxide purification device. BACKGROUND

[0002] In the field of modern industrial production and scientific research, colloidal silicon dioxide plays a key role in many industries due to its unique physicochemical properties, such as high specific surface area, good dispersibility, and chemical stability. For example, in the paint industry, it can significantly improve the rheological properties, wear resistance, and adhesion of paint; in the field of electronic materials, it helps to improve the insulation performance and mechanical strength of materials; in the pharmaceutical industry, it can be used as a drug carrier or flow aid.

[0003] However, the current purification of colloidal silicon dioxide faces many challenges. During the long filtration process, impurities easily block the filter screen, causing a sharp decline in filtration speed, which not only prolongs the production cycle but also increases production costs. In the patent with publication number CN214914082U, a filtration device for silicon dioxide production is disclosed. This scheme uses the flow of silicon dioxide slurry to generate power to drive the rotation of the stirring fan blades, generating centrifugal force in the silicon dioxide liquid to clean the filter screen mesh. However, this cleaning method has limited effectiveness in actual use and cannot achieve the expected cleaning effect, still causing a decline in filtration speed. SUMMARY

[0004] To address the deficiencies in the prior art, the utility model provides a colloidal silicon dioxide purification device.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A colloidal silicon dioxide purification device includes a purification cylinder, a filter frame fixed in the purification cylinder and having a ring structure, and a sealing seat arranged in the filter frame ring groove.

[0007] A rounded table-shaped curved surface is provided on the filter frame, and a filter screen is provided on the curved surface.

[0008] A rotating seat is rotatably installed on the upper part of the sealing seat, and a scraper that fits the filter screen is installed on the side of the rotating seat through a support.

[0009] A rotating table is rotatably installed on the lower part of the sealing seat, and helical transmission blades are provided on the side of the rotating table. The rotating shaft of the rotating seat and the rotating shaft of the rotating table are fixedly connected through a connecting column inside the sealing seat.

[0010] When the filter screen is filtering, the filtered material falls on the transmission blades to drive the transmission blades to rotate. The rotating table drives the rotating seat to rotate synchronously, causing the scraper to rotate and scrape the filter screen.

[0011] Preferably, the upper surface of the sealing seat is provided as an upper convex arc surface, and the filter frame is provided with an annular sealing band; the upper portion of the sealing seat is provided with an overlapping edge clamped on the filter frame, and a sealing groove is correspondingly provided on the lower side of the overlapping edge and clamped on the sealing band.

[0012] Preferably, the scraper is integrally arranged in a C-shaped fixing frame, and the support is connected with the fixing frame; the support is composed of two mutually inclined support rods, one end of the support rod is connected with the rotating seat, the other end is connected with the fixing frame, and a reinforcing rod is arranged between the two support rods.

[0013] Preferably, the filter frame is provided with an inclined mounting frame on the side surface, and the mounting frame is staggered with the filter screen; the bottom end of the mounting frame is bent and provided with a fixing hole; a reinforcing rod is arranged between the upper portion of the mounting frame and the filter frame.

[0014] Preferably, the upper portion of the purification cylinder is open, and the lower portion is provided with a rounded table-shaped flow guide cylinder, and the bottom of the flow guide cylinder is provided with a conical discharge port.

[0015] Preferably, an auxiliary motor is arranged in the sealing seat, and the auxiliary motor drives the rotating column to rotate.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] 1. When the filter screen is filtering, the material filtered out falls on the transmission blade to drive it to rotate, thereby driving the rotating seat and the scraper to rotate synchronously, realizing automatic scraping of the filter screen, effectively solving the problem of reduced filtering speed caused by impurities blocking the filter screen in traditional filtering, greatly improving the filtering efficiency, shortening the production cycle and reducing the production cost.

[0018] 2. The pure physical filtering and self-cleaning mode are adopted, without involving the effect of high-speed centrifugal force on colloidal silicon dioxide, effectively avoiding the problems of particle size distribution change and agglomeration caused by centrifugal force, ensuring that the original structure of colloidal silicon dioxide is not damaged, and guaranteeing the product quality. BRIEF DESCRIPTION OF DRAWINGS

[0019] The disclosure of the present application will be described with reference to the accompanying drawings. It should be understood that the drawings are only for illustrative purposes, and are not intended to limit the scope of protection of the present application. In the drawings, the same reference numerals are used to refer to the same parts. Among them:

[0020] Figure 1 is a structural schematic view of the present application;

[0021] Figure 2 is a structural schematic view of the filter frame, the sealing seat, the scraper and the rotating seat of the present application.

[0022] Figure 3 The utility model discloses a filter frame structure schematic diagram.

[0023] Figure 4 The utility model discloses a sealing seat, scraper, rotating seat structure schematic diagram.

[0024] The figure mark explanation: 1, purification cylinder;11, flow guide cylinder;2, filter frame;21, filter screen;22, mounting frame;23, reinforcing rod;24, sealing band;3, sealing seat;31, rotating seat;32, sealing groove;33, support;4, scraper;41, fixed frame;5, rotating table;51, transmission blade. DETAILED DESCRIPTION

[0025] It is easy to understand that according to the technical scheme of the utility model, a plurality of structure modes and implementation modes that can be replaced each other can be proposed by the general technical personnel in the art without changing the utility model essential spirit. Therefore, the following specific embodiment and drawing are only exemplary explanation to the technical scheme of the utility model, and should not be regarded as the whole of the utility model or regarded as the limitation or restriction of the technical scheme of the utility model.

[0026] EMBODIMENT

[0027] As Figure 1 The utility model discloses a colloidal silica purification device, mainly by purification cylinder 1, filter frame 2, sealing seat 3, rotating seat 31, scraper 4, rotating table 5 constitute. Wherein the upper part of purification cylinder 1 is open, and the colloidal silica raw material is poured conveniently, and the lower part is provided with the flow guide cylinder 11 of rounded table shape, and the bottom is the conical discharge port, and the colloidal silica after purification is discharged conveniently.

[0028] Filter frame 2 is annular structure, and is fixed in the inside of purification cylinder 1, and sealing seat 3 is installed in the annular groove of filter frame 2. When needing to purify colloidal silica, the colloidal silica raw material to be purified is poured from the open upper part of purification cylinder 1. The raw material flows to filter screen 21 of filter frame 2 under the action of gravity. At this time, the impurities in colloidal silica are intercepted by filter screen 21, and the pure colloidal silica is passed through filter screen 21, and continues to flow down, and is finally discharged through flow guide cylinder 11 and discharge port.

[0029] In the filtering process, the slurry falls on the transmission blades 51 on the side of the rotating table 5 during the continuous downward flow through the filter screen 21. Since the transmission blades 51 are arranged in a spiral structure and the surface is uneven, the flow of the slurry can drive the transmission blades 51 to rotate. Since the rotating shaft of the rotating table 5 and the rotating shaft of the rotating seat 31 are fixedly connected through the connecting column inside the sealing seat 3, the rotating table 5 drives the sealing seat 3 to rotate synchronously. The rotation of the sealing seat 3 makes the scraper 4 installed on the side of the rotating seat 31 rotate and adhere to the filter screen 21, continuously scraping the impurities on the filter screen 21, avoiding the accumulation of intercepted impurities on the filter screen 21, effectively preventing the impurities from blocking the filter screen 21, and ensuring the continuous and efficient filtering process.

[0030] As shown in Figure 2 , an inclined mounting bracket 22 is arranged on the side of the filter frame 2, the mounting bracket 22 is staggered with the filter screen 21, avoiding mutual obstruction between the mounting bracket 22 and the filter screen 21, and avoiding the flow of filtered slurry to the mounting bracket 22; the bottom end of the mounting bracket 22 is bent and provided with a fixing hole, and the filter frame 2 can be stably installed in the purification cylinder 1 through bolts and other connecting members. The upper part of the mounting bracket 22 and the filter frame 2 are provided with a reinforcing rod 23, which can enhance the stability of the overall structure and ensure the stability of the filter frame 2 in use.

[0031] As shown in Figure 3 , Figure 4 , the side of the top of the sealing seat 3 is clamped on the filter frame 2 through the overlapping edge, and the sealing groove 32 on the lower side of the overlapping edge is clamped on the sealing band 24 of the filter frame 2, avoiding the leakage of slurry on the upper part of the filter frame 2 from the gap between the sealing seat 3 and the filter frame 2, and ensuring the sealing property of the device. The upper surface of the sealing seat 3 is arranged as a convex arc surface, which can avoid the accumulation of materials on its surface.

[0032] The scraper 4 is arranged in the C-shaped fixing frame 41, and the support 33 is connected with the fixing frame 41. The support 33 is composed of two mutually inclined supporting rods, one end of which is connected with the rotating seat 31, the other end of which is connected with the fixing frame 41, and a reinforcing rod is arranged between the two supporting rods. This structure design has sufficient structural strength to maintain the connection between the scraper 4 and the rotating seat 31, ensuring that the rotating seat 31 has sufficient structural strength to drive the scraper 4 to move when rotating, and ensuring the effective scraping of impurities on the filter screen 21.

[0033] The auxiliary motor arranged inside the sealing seat 3 can drive the connecting column to rotate. When the power for driving the rotating table 5 to rotate by the slurry falling on the transmission blades 51 is insufficient during the filtering process, the auxiliary motor can be started to assist the driving of the connecting column to rotate, thereby driving the rotating seat 31 and the rotating table 5 to rotate, ensuring the cleaning effect of the filter screen 21 and further improving the stability and reliability of the device.

[0034] The technical scope of the utility model is not only limited to the content in the above description, and the person skilled in the art can make various deformations and modifications to the above embodiment without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the protection scope of the utility model.

Claims

1. A colloidal silica purification apparatus, characterized by: The device comprises a purification cylinder (1), a filter frame (2) fixed in the purification cylinder (1) and in a ring shape, and a sealing seat (3) arranged in a ring groove of the filter frame (2). The filter frame (2) is provided with a rounded table-shaped curved surface, and a filter screen (21) is arranged on the curved surface. A rotating seat (31) is rotatably arranged on the upper portion of the sealing seat (3), and a scraping plate (4) abutting against the filter screen (21) is arranged on the side of the rotating seat (31) through a support (33). A rotating table (5) is rotatably arranged on the lower portion of the sealing seat (3), and helical transmission blades (51) are arranged on the side of the rotating table (5), and the rotating shaft of the rotating table (5) is fixedly connected with the rotating shaft of the rotating seat (31) through a connecting column in the sealing seat (3). When the filter screen (21) is filtering, the filtered materials fall on the transmission blades (51) to drive the transmission blades (51) to rotate, the rotating table (5) drives the rotating seat (31) to synchronously rotate, and the scraping plate (4) rotates abutting against the filter screen (21) to scrape the filter screen (21).

2. A colloidal silica purification apparatus according to claim 1, characterized in that: The upper surface of the sealing seat (3) is arranged as an upper convex arc surface, and the filter frame (2) is provided with a ring-shaped sealing belt (24); the upper portion of the sealing seat (3) is provided with an overlapping edge, the overlapping edge is clamped on the filter frame (2), and a sealing groove (32) is correspondingly arranged on the lower side of the overlapping edge, and the sealing groove (32) is clamped on the sealing belt (24).

3. A colloidal silica purification apparatus according to claim 1 or 2, characterised in that: The scraping plate (4) is arranged in a C-shaped fixing frame (41) as a whole, the support (33) is connected with the fixing frame (41); the support (33) is composed of two mutually inclined supporting rods, one end of the supporting rod is connected with the rotating seat (31), the other end is connected with the fixing frame (41), and a reinforcing rod is arranged between the two supporting rods.

4. A colloidal silica purification apparatus according to claim 1 or 2, characterised in that: An inclined mounting frame (22) is arranged on the side of the filter frame (2), and the mounting frame (22) is staggered with the filter screen (21); the bottom end of the mounting frame (22) is bent and provided with a fixing hole; a reinforcing rod (23) is arranged between the upper portion of the mounting frame (22) and the filter frame (2).

5. A colloidal silica purification apparatus according to claim 1 or 2, characterised in that: The upper portion of the purification cylinder (1) is arranged as an opening, and the lower portion is provided with a rounded table-shaped flow guide cylinder (11), and the bottom of the flow guide cylinder (11) is provided with a conical discharge port.

6. A colloidal silica purification apparatus according to claim 1, wherein: An auxiliary motor is arranged in the sealing seat (3), and the auxiliary motor drives the connecting column to rotate. An auxiliary motor is arranged in the sealing seat (3), and the auxiliary motor drives the connecting column to rotate.

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