Superfine process device for silica powder

Abstract

The utility model discloses a silica powder superfine process device, and particularly relates to the technical field of silica powder production, the silica powder superfine process device comprises a bottom plate and a superfine grinding assembly, an outer cylinder is fixed on the upper end face of the bottom plate, an inner grinding cylinder is arranged in the outer cylinder, a cold water cavity is arranged between the inner grinding cylinder and the outer cylinder, and a water inlet is formed in the cold water cavity. The superfine grinding assembly comprises a rotating part and a plurality of sets of grinding parts, the rotating part is used for achieving rotation of the grinding parts, each set of grinding part comprises a mounting base and a grinding column, the grinding columns are mounted on the outer walls of the mounting bases, and a plurality of grinding balls are mounted on the outer walls of the grinding columns. According to the utility model, the outer barrel and the inner grinding barrel are arranged, and the cold water cavity is arranged between the outer barrel and the inner grinding barrel, so that when a silica powder raw material is subjected to superfine grinding, cooling water can be introduced from the water inlet pipe to fill the cold water cavity, and the cooling water subjected to heat exchange is discharged from the water outlet pipe, so that effective heat dissipation can be carried out in the superfine grinding process through the circulation; and the influence on the subsequent performance of the superfine ground silica powder due to overheating is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon micropowder production, in particular to an ultrafine silicon micropowder process device. Background Art

[0002] Silica powder is a high-performance inorganic non-metallic material, the main component of which is high-purity silicon dioxide. Silica powder is made by subjecting natural quartz or fused quartz to a complex processing flow, including crushing, ball milling (or air milling), flotation, acid washing and purification, high-purity water treatment and other fine processes, among which ultrafine grinding of silica powder is an important part of its production and processing.

[0003] At present, when ultrafine grinding silicon micropowder, silicon micropowder and additives are added into a stirred mill for grinding. Long-time grinding will increase the temperature of silicon micropowder, which will easily affect the performance of silicon micropowder. Secondly, the existing ultrafine grinding mostly adopts grinding impeller or grinding disc for grinding. The rotation direction of grinding impeller or grinding disc is consistent, which makes the grinding efficiency of silicon micropowder raw material low. Utility Model Content

[0004] The utility model aims to provide a silicon micropowder ultrafine process device to solve the above-mentioned technical deficiencies.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a silicon micropowder ultrafine process device, comprising:

[0006] A bottom plate, an outer cylinder is fixed on the upper end surface of the bottom plate, an inner grinding cylinder is arranged inside the outer cylinder, a cold water cavity is arranged between the inner grinding cylinder and the outer cylinder, and a raw material adding pipe and an auxiliary agent adding pipe are connected to the top of the inner grinding cylinder;

[0007] An ultrafine grinding assembly comprises a rotating part and multiple groups of grinding parts, wherein the rotating part is used to realize the rotation of the grinding part, the grinding part is located in an inner grinding cylinder, and each group of the grinding parts comprises a mounting seat and a grinding column, wherein the grinding column is mounted on the outer wall of the mounting seat, and multiple grinding balls are mounted on the outer wall of the grinding column.

[0008] Preferably, the rotating part comprises:

[0009] A vertical plate, the vertical plate is fixed to one end of the upper end surface of the bottom plate, and a top plate is fixed to the top of the vertical plate;

[0010] A motor, wherein the motor is mounted on the upper surface of the top plate;

[0011] A connecting shaft is connected to the output end of the motor and extends to the inside of the inner grinding cylinder, and the mounting seat is fixed to the outside of the connecting shaft.

[0012] Preferably, a water inlet pipe is connected to the bottom end of the outer wall of the outer cylinder, and a water outlet pipe is connected to the upper end of the outer wall of the outer cylinder.

[0013] Preferably, an embedding groove is provided at the inner bottom of the outer cylinder, and a convex block is fixed at the bottom end of the inner grinding cylinder, and the convex block is inserted and matched with the embedding groove.

[0014] Preferably, a discharge pipe is connected to the bottom end of the outer wall of the inner grinding cylinder, and the discharge pipe extends to the outside of the outer cylinder.

[0015] Preferably, a controller is installed on the vertical plate, and the motor is electrically connected to the controller.

[0016] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0017] 1. The utility model provides an outer cylinder and an inner grinding cylinder, and a cold water chamber is provided between the outer cylinder and the inner grinding cylinder. When ultrafine grinding the silicon micropowder raw material, cooling water can be introduced from the water inlet pipe to fill the cold water chamber with cooling water, and the cooling water after heat exchange is discharged from the water outlet pipe. Such a cycle can effectively dissipate heat during the ultrafine grinding process to avoid overheating of the ultrafine ground silicon micropowder and affect its subsequent performance.

[0018] 2. The arrangement of the grinding column with multiple grinding balls in the utility model enables the grinding balls to rotate freely to squeeze and grind the silicon micropowder raw materials when the connecting shaft rotates, thereby improving the grinding efficiency and fineness.

[0019] 3. When the inner grinding cylinder is installed in the outer cylinder, the inner grinding cylinder is directly lowered to embed the protrusion into the embedding groove, which is convenient and quick to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is one of the appearance diagrams of the utility model;

[0023] Figure 3 This is the second appearance diagram of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the inner grinding cylinder of the utility model;

[0025] Figure 5 It is a structural schematic diagram of the outer cylinder of the utility model.

[0026] Description of reference numerals:

[0027] 1. Bottom plate; 2. Vertical plate; 3. Top plate; 4. Outer cylinder; 5. Inner grinding cylinder; 6. Cold water chamber; 7. Water inlet pipe; 8. Water outlet pipe; 9. Discharge pipe; 10. Motor; 11. Connecting shaft; 12. Mounting seat; 13. Grinding column; 14. Grinding ball; 15. Raw material adding pipe; 16. Additive adding pipe; 17. Controller; 18. Bump; 19. Groove. DETAILED DESCRIPTION

[0028] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] Figure 1 It is a schematic diagram of the overall structure of the utility model, and combined with Figure 2-Figure 3 As shown, the silicon micropowder ultrafine process device includes a base plate 1 and an ultrafine grinding assembly, an outer cylinder 4 is fixed to the upper end surface of the base plate 1, an inner grinding cylinder 5 is arranged inside the outer cylinder 4, a cold water chamber 6 is arranged between the inner grinding cylinder 5 and the outer cylinder 4, a water inlet pipe 7 is connected to the bottom end of the outer wall of the outer cylinder 4, and a water outlet pipe 8 is connected to the upper end of the outer wall of the outer cylinder 4.

[0030] Through the above, when ultrafine grinding silicon micropowder raw material, cooling water can be introduced from the water inlet pipe 7 to fill the cold water chamber 6 with cooling water, and the cooling water after heat exchange is discharged from the water outlet pipe 8. Such a cycle can effectively dissipate heat during the ultrafine grinding process to avoid overheating of the ultrafine ground silicon micropowder.

[0031] Secondly, a discharge pipe 9 is connected to the bottom end of the outer wall of the inner grinding cylinder 5, and the discharge pipe 9 extends to the outside of the outer cylinder 4, and the top of the inner grinding cylinder 5 is connected to the raw material addition pipe 15 and the auxiliary agent addition pipe 16. The ultrafine grinding assembly includes a rotating part and multiple groups of grinding parts. The rotating part is used to realize the rotation of the grinding part. The grinding part is in the inner grinding cylinder 5, and each group of grinding parts includes a mounting seat 12 and a grinding column 13. The grinding column 13 is installed on the outer wall of the mounting seat 12, and a plurality of grinding balls 14 are installed on the outer wall of the grinding column 13.

[0032] Among them, in the specific implementation of the present utility model, refer to Figure 1 and Figure 2 As shown, the rotating part includes:

[0033] A vertical plate 2, the vertical plate 2 is fixed to one end of the upper end surface of the bottom plate 1, and a top plate 3 is fixed to the top of the vertical plate 2, and a controller 17 is installed on the vertical plate 2;

[0034] The motor 10 is mounted on the upper end surface of the top plate 3 and is electrically connected to the controller 17;

[0035] The connecting shaft 11 is connected to the output end of the motor 10 , and the connecting shaft 11 extends to the inside of the inner grinding cylinder 5 , and the mounting seat 12 is fixed to the outside of the connecting shaft 11 .

[0036] Based on the above technical solutions:

[0037] When in use, the controller 17 is used to start the motor 10, and the output end of the motor 10 is used to drive the connecting shaft 11 to rotate, thereby driving the grinding part to rotate, and then the silicon micropowder raw material to be ultrafinely ground is added from the raw material adding tube 15, and the grinding aid is added from the aid adding tube 16. The ultrafine grinding can be carried out by using the combination of the grinding column 13 and the grinding aid. After the grinding is completed, the material can be discharged from the discharge pipe 9.

[0038] The grinding column 13 with a plurality of grinding balls 14 is arranged so that when the connecting shaft 11 rotates, the grinding balls 14 can rotate freely to squeeze and grind the silicon micropowder raw material, thereby improving the grinding efficiency and fineness.

[0039] In addition, see Figure 4-Figure 5 As shown, a groove 19 is provided at the inner bottom of the outer cylinder 4, and a protrusion 18 is fixed to the bottom end of the inner grinding cylinder 5, and the protrusion 18 is inserted and matched with the groove 19, wherein, preferably, there are multiple protrusions 18 and grooves 19, which can be connected from multiple positions at the bottom end of the inner grinding cylinder 5.

[0040] Specifically, when installing the inner grinding cylinder 5 in the outer cylinder 4, the inner grinding cylinder 5 is directly lowered to make the protrusion 18 fit into the embedding groove 19, which is convenient and quick to install.

[0041] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A silicon micropowder ultrafine process device, characterized in that: include: A bottom plate (1), an outer cylinder (4) being fixed to the upper end surface of the bottom plate (1), an inner grinding cylinder (5) being arranged inside the outer cylinder (4), a cold water chamber (6) being arranged between the inner grinding cylinder (5) and the outer cylinder (4), and a raw material adding pipe (15) and an auxiliary agent adding pipe (16) being connected to the top end of the inner grinding cylinder (5); An ultrafine grinding assembly, the ultrafine grinding assembly comprising a rotating part and a plurality of groups of grinding parts, the rotating part being used to realize the rotation of the grinding part, the grinding part being located in an inner grinding cylinder (5), and each group of the grinding parts comprising a mounting seat (12) and a grinding column (13), the grinding column (13) being mounted on the outer wall of the mounting seat (12), and a plurality of grinding balls (14) being mounted on the outer wall of the grinding column (13).

2. The ultrafine silicon powder process device according to claim 1, characterized in that: The rotating part comprises: A vertical plate (2), the vertical plate (2) being fixed to one end of the upper end surface of the bottom plate (1), and a top plate (3) being fixed to the top of the vertical plate (2); A motor (10), wherein the motor (10) is mounted on an upper end surface of the top plate (3); A connecting shaft (11), the connecting shaft (11) is connected to the output end of the motor (10), and the connecting shaft (11) extends into the interior of the inner grinding cylinder (5), and the mounting seat (12) is fixed to the outside of the connecting shaft (11).

3. The ultrafine silicon powder process device according to claim 1, characterized in that: The bottom end of the outer wall of the outer cylinder (4) is connected to a water inlet pipe (7), and the upper end of the outer wall of the outer cylinder (4) is connected to a water outlet pipe (8).

4. The ultrafine silicon powder process device according to claim 1, characterized in that: The inner bottom of the outer cylinder (4) is provided with an embedding groove (19), and the bottom end of the inner grinding cylinder (5) is fixed with a protrusion (18), and the protrusion (18) is inserted and matched with the embedding groove (19).

5. The ultrafine silicon powder process device according to claim 1, characterized in that: A discharge pipe (9) is connected to the bottom end of the outer wall of the inner grinding cylinder (5), and the discharge pipe (9) extends to the outside of the outer cylinder (4).

6. The ultrafine silicon powder process device according to claim 2, characterized in that: A controller (17) is installed on the vertical plate (2), and the motor (10) is electrically connected to the controller (17).

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