Filtering device for silica sol production

Abstract

The utility model discloses a filter device for silica sol production, which relates to the technical field of silica sol production and comprises a filter box, a first filter screen is fixedly mounted at the inner upper end of the filter box, a through groove is formed in the right end of the first filter screen, a connecting pipe is fixedly mounted at the lower end of the through groove, and a material collecting part is arranged on the right side of the connecting pipe. And the material collecting part is externally connected with a material returning mechanism. Silica sol is added into the filter box through the feed port, then the silica sol is preliminarily filtered through the first filter screen which is obliquely arranged, the filtered silica sol is filtered through the second filter screen and discharged from the discharge port, and the silica sol which is preliminarily filtered on the first filter screen and does not pass through enters the material collecting part through the connecting pipe. The packing auger is driven by the motor to rotate, so that the silica sol flows back into the filter box, and the silica sol meeting the requirements is prevented from being wasted after being filtered for multiple times.

Description

Technical Field

[0001] The utility model relates to the technical field of silica sol production, in particular to a filtering device for silica sol production. Background Art

[0002] Silica sol is a dispersion of nanometer-scale silicon dioxide particles in water or solvent. Silica sol is a colloidal solution, odorless and non-toxic. Silica sol is a dispersion of nanometer-scale silicon dioxide particles in water or solvent. Since the colloidal particles are fine and have a large specific surface area, the particles themselves are colorless and transparent, which does not affect the original color of the covered object. The viscosity is low and it can penetrate anywhere that water can penetrate. Therefore, when mixed with other substances, the dispersibility and permeability are very good.

[0003] The existing silica sol production filtering device has a single filtering effect and cannot collect silica sols of similar particle sizes, so that the filtering device can only filter impurities. It is single and inefficient to use, and long-term filtration can easily cause accumulation of the filter plate and affect the filtering effect. The silica sol production filtering device on the market uses a filter screen to filter the silica sol, but the filter screen is generally only filtered once during the filtration process. Some of the silica sol located on the top of the filter screen meets the requirements, and these silica sols that meet the requirements are discharged, wasting resources. Utility Model Content

[0004] In order to overcome the above-mentioned defects in the prior art, the utility model provides a filtering device for producing silica sol.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a filtering device for silica sol production, including a filter box, a first filter screen is fixedly installed at the upper end of the interior of the filter box, a through groove is provided at the right end of the first filter screen, a connecting pipe is fixedly installed at the lower end of the through groove, a material collection part is provided on the right side of the connecting pipe, and the material collection part is externally connected to a material return mechanism.

[0006] Furthermore, the first filter screen is inclined at 10°-15°.

[0007] Furthermore, a second filter screen is fixedly installed at the lower end of the interior of the filter box.

[0008] Furthermore, a feed inlet is provided at the upper end of the filter box, and a discharge port is provided at the lower end of the filter box.

[0009] Furthermore, the material return mechanism includes a mounting cylinder, which is fixedly installed at the right end of the collecting part, and a mounting frame is fixedly installed at the upper end of the mounting cylinder. A motor is fixedly installed in the mounting frame, and an auger is fixedly connected to the power output shaft of the motor, and the auger is movably installed inside the mounting cylinder.

[0010] Furthermore, the left side of the installation cylinder is connected to the interior of the filter box through a return pipe.

[0011] The beneficial effects of the utility model are as follows: silica sol is added into the filter box through the feed inlet, and then the silica sol is preliminarily filtered through the inclined first filter screen, the filtered silica sol is filtered through the second filter screen and discharged from the discharge port, the silica sol that fails the preliminary filtration on the first filter screen will enter the collection part through the connecting pipe, and the auger is driven by the motor to rotate, so that the silica sol flows back into the filter box, and after multiple filtrations, the silica sol that meets the requirements is prevented from being wasted. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a front cross-sectional view of the utility model;

[0014] Figure 2 It is a schematic diagram of the first filter screen of the utility model.

[0015] In the figure: 1. filter box, 11. feed port, 12. discharge port, 2. first filter screen, 21. through slot, 3. second filter screen, 4. connecting pipe, 41. collection part, 5. mounting cylinder, 6. mounting frame, 7. motor, 8. auger, 9. return pipe. DETAILED DESCRIPTION

[0016] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.

[0017] like Figure 1 and Figure 2 As shown, the utility model includes a filter box 1, the upper end of the filter box 1 is provided with a feed port 11, the lower end of the filter box 1 is provided with a discharge port 12, the upper end of the interior of the filter box 1 is fixedly installed with a first filter screen 2, the lower end of the interior of the filter box 1 is fixedly installed with a second filter screen 3, the first filter screen 2 is inclined at 15°, the right end of the first filter screen 2 is provided with a through groove 21, the lower end of the through groove 21 is fixedly installed with a connecting pipe 4, the right side of the connecting pipe 4 is provided with a material collection portion 41, and the material collection portion 41 is externally connected to a material return mechanism.

[0018] like Figure 1As shown, the return mechanism includes a mounting cylinder 5, and the mounting cylinder 5 is fixedly installed at the right end of the collecting part 41. The upper end of the mounting cylinder 5 is fixedly installed with a mounting frame 6. A motor 7 is fixedly installed in the mounting frame 6 by bolts. The power output shaft of the motor 7 is fixedly connected to an auger 8. The auger 8 is movably installed inside the mounting cylinder 5. The left side of the mounting cylinder 5 is connected to the interior of the filter box 1 through a return pipe 9.

[0019] When the utility model is in use, silica sol is added into the filter box 1 through the feed port 11, and then the silica sol is preliminarily filtered through the inclined first filter screen 2, and the filtered silica sol is filtered through the second filter screen 3 and discharged from the discharge port 12, and the silica sol that fails the preliminary filtration on the first filter screen 2 will enter the collection part 41 through the connecting pipe 4, and the auger 8 is driven to rotate by the motor 7, so that the silica sol flows back into the filter box 1, and after multiple filtrations, the silica sol that meets the requirements is prevented from being wasted.

[0020] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.

Claims

1. A filtering device for producing silica sol, comprising a filtering box (1), Features: A first filter screen (2) is fixedly mounted on the upper inner end of the filter box (1); a through slot (21) is provided at the right end of the first filter screen (2); a connecting pipe (4) is fixedly mounted on the lower end of the through slot (21); a material collecting portion (41) is provided on the right side of the connecting pipe (4); and the material collecting portion (41) is externally connected to a material return mechanism.

2. A silica sol production filtering device according to claim 1, It is characterized in that The first filter screen (2) is arranged to be inclined at 10°-15°.

3. A filtering device for producing silica sol according to claim 2, It is characterized in that A second filter screen (3) is fixedly mounted on the lower inner end of the filter box (1).

4. A filtering device for producing silica sol according to claim 3, It is characterized in that The upper end of the filter box (1) is provided with a feed inlet (11), and the lower end of the filter box (1) is provided with a discharge outlet (12).

5. A filtering device for producing silica sol according to claim 4, It is characterized in that The material return mechanism comprises a mounting tube (5), wherein the mounting tube (5) is fixedly mounted on the right end of the material collecting portion (41), a mounting frame (6) is fixedly mounted on the upper end of the mounting tube (5), a motor (7) is fixedly mounted inside the mounting frame (6), a power output shaft of the motor (7) is fixedly connected to an auger (8), and the auger (8) is movably mounted inside the mounting tube (5).

6. A filtering device for producing silica sol according to claim 5, It is characterized in that The left side of the installation cylinder (5) is connected to the interior of the filter box (1) through a return pipe (9).

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