High-pressure jet mill for preparing metal silicon powder

Abstract

Aiming at the defects in the prior art, the utility model provides the high-pressure jet mill for preparing metal silicon powder, which comprises a grinding barrel, a grinding mechanism for grinding metal silicon blocks is arranged on the grinding barrel, the grinding mechanism comprises a grinding cover, the grinding cover is fixedly connected to the top end of the grinding barrel, and the grinding cover is fixedly connected to the top end of the grinding barrel. The middle position of the bottom end of the grinding cover is fixedly connected with a guide column, the guide column annularly guides a metal silicon block, the inner wall of the grinding barrel is fixedly connected with a plurality of grinding columns, the grinding barrel is provided with an air conveying mechanism used for outputting high-pressure air flow, and the grinding barrel and the grinding mechanism are matched to grind the metal silicon block. The metal silicon block is blown up through the air conveying mechanism, the device is easy to operate, the metal silicon block can effectively and regularly impact the grinding wall, uniform grinding of the metal silicon block is achieved, the grinding efficiency is effectively improved, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of metal silicon powder, in particular to a high-pressure air flow mill for preparing metal silicon powder. Background Art

[0002] As is known to all, metallic silicon powder is a kind of powder produced by grinding metallic silicon blocks and then passing through a high-pressure airflow mill. It is also the so-called silicon carbide powder and is commonly used as a raw material for products in the refractory and powder metallurgy industries. The high-pressure airflow mill can refine the powder after grinding the metallic silicon blocks. When the high-pressure airflow mill grinds the metallic silicon blocks, most of them use airflow to blow the metallic silicon blocks to hit the grinding wall irregularly to achieve the grinding of the metallic silicon blocks. The irregular collision will lead to uneven grinding of the metallic silicon blocks, and the grinding time is long, resulting in poor practicality. In view of the above problems, the present application designs a high-pressure airflow mill for preparing metallic silicon powder. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the deficiencies of the prior art, the utility model provides a high-pressure air flow mill for preparing metallic silicon powder.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-pressure air flow mill for preparing metallic silicon powder, comprising a grinding barrel, on which a grinding mechanism for grinding metallic silicon blocks is provided, wherein the grinding mechanism comprises a grinding cover, wherein the grinding cover is fixedly connected to the top of the grinding barrel, a guide column is fixedly connected to the middle position of the bottom of the grinding cover, and the guide column guides the metallic silicon block in a circular shape, a plurality of grinding columns are fixedly connected to the inner wall of the grinding barrel, and a gas transmission mechanism for outputting high-pressure airflow is provided on the grinding barrel.

[0007] In order to facilitate blowing the metal silicon block and make it hit the inner wall of the grinding barrel, the utility model is improved in that the air delivery mechanism includes an air inlet, which is opened on the front side of the right end of the grinding barrel, and the right end of the grinding barrel is fixedly connected to a mounting plate, and a high-pressure air pump is installed on the mounting plate, and the output end of the high-pressure air pump is fixedly connected to one end of a first guide frame forward, and the other end of the first guide frame is fixedly connected to the air inlet at the right end of the grinding barrel, and the first guide frame guides the air from the high-pressure air pump into the grinding barrel.

[0008] In order to facilitate placing the metal silicon block into the grinding barrel, the utility model is improved in that a feed inlet is provided at the top of the grinding cover above the air inlet, and a second guide frame is fixedly connected to the top of the grinding cover at the feed inlet, and the second guide frame guides the metal silicon block from top to bottom.

[0009] In order to facilitate the collection of the ground metallic silicon powder, the utility model is improved in that a discharge port is provided at the bottom end of the grinding barrel, and a collecting trough is fixedly connected to the bottom end of the grinding barrel below the discharge port, the collecting trough is communicated with the discharge port, a sliding groove is provided at the left end of the collecting trough, and a collection drawer is slidably connected in the sliding groove.

[0010] In order to facilitate sliding the collection drawer open, the utility model is improved in that an opening handle is fixedly connected to the left end of the collection drawer.

[0011] In order to prevent the metal silicon block from flying out of the feed inlet during grinding, the utility model is improved in that the feed inlet is opened for inclined feeding, and the inclined direction is along the airflow direction.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a high-pressure air flow mill for preparing metallic silicon powder, which has the following beneficial effects:

[0014] The high-pressure air flow mill for preparing metal silicon powder can grind the metal silicon block through the cooperation of the grinding barrel and the grinding mechanism, and can blow up the metal silicon block through the air supply mechanism. The device is relatively simple to operate, can effectively make the metal silicon block collide with the grinding wall regularly, achieves uniform grinding of the metal silicon block, effectively improves the grinding efficiency, and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the first main structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the first partial structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the second partial structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the first main cross-sectional structure of the utility model.

[0019] In the figure: 1. Grinding barrel; 2. Grinding cover; 3. Guide column; 4. Grinding column; 5. Air inlet; 6. Mounting plate; 7. High-pressure air pump; 8. First guide frame; 9. Feed inlet; 10. Second guide frame; 11. Discharge outlet; 12. Collecting trough; 13. Sliding trough; 14. Collecting drawer; 15. Open handle. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 A high-pressure airflow mill for preparing metallic silicon powder comprises a grinding barrel 1, on which a grinding mechanism for grinding metallic silicon blocks is arranged, the grinding mechanism comprises a grinding cover 2, the grinding cover 2 is fixedly connected to the top of the grinding barrel 1, a guide column 3 is fixedly connected to the middle position of the bottom end of the grinding cover 2, the guide column 3 guides the metallic silicon block in an annular manner, a plurality of grinding columns 4 are fixedly connected to the inner wall of the grinding barrel 1, the grinding barrel 1 is provided with a gas transmission mechanism for outputting high-pressure airflow, the gas transmission mechanism comprises an air inlet 5, the air inlet 5 is opened at the front side of the right end of the grinding barrel 1, the right end of the grinding barrel 1 is fixedly connected to a mounting plate 6, a high-pressure air pump 7 is installed on the mounting plate 6, and the output end of the high-pressure air pump 7 is fixedly connected to a first guide frame 8 forwardly One end, the other end of the first guide frame 8 is fixedly connected to the air inlet 5 at the right end of the grinding barrel 1, the first guide frame 8 guides the air from the high-pressure air pump 7 into the grinding barrel 1, the top of the grinding cover 2 is located above the air inlet 5 and is provided with an inlet 9, the top of the grinding cover 2 is located at the inlet 9 and is fixedly connected with a second guide frame 10, the second guide frame 10 guides the metal silicon block from top to bottom, the bottom end of the grinding barrel 1 is provided with a discharge port 11, the bottom end of the grinding barrel 1 is located below the discharge port 11 and is fixedly connected with a collecting groove 12, the collecting groove 12 is connected with the discharge port 11, the left end of the collecting groove 12 is provided with a sliding groove 13, a collecting drawer 14 is slidably connected in the sliding groove 13, and an opening handle 15 is fixedly connected to the left end of the collecting drawer 14.

[0022] When the device is in use, the high-pressure air pump 7 is first turned on, and the output end of the high-pressure air pump 7 is started to work. The blown high-pressure gas enters the grinding barrel 1 through the first guide frame 8, and then the metal silicon block is placed in the feeding port 9 from the second guide frame 10, and then enters the grinding barrel 1 through the feeding port 9. After the metal silicon block contacts the high-pressure air, it moves evenly along the air flow, touches the grinding column 4 on the inner wall of the grinding barrel 1 during the movement, and grinds the metal silicon block on the grinding column 4. After the metal silicon block is ground into metal silicon powder, the high-pressure air pump 7 is turned off, and the metal silicon powder begins to freely fall to the discharge port 11 without being driven by gas, and then enters the collection drawer 14 in the collection tank 12 through the discharge port 11, and then the handle 15 is pulled to the left to open, and the handle 15 is opened to drive the collection drawer 14 to slide to the left in the sliding groove 13, and the collection drawer 14 slides open, and then the metal silicon powder inside can be collected.

[0023] It is found in actual use that when the gas delivery mechanism blows the metal silicon blocks, the metal silicon blocks will fly out at the feed inlet 9. In order to avoid the above problem, in this embodiment, the feed inlet 9 is opened for inclined feeding, and the inclination direction is along the airflow direction.

[0024] In order to explain in detail the possible application scenarios, technical principles, specific schemes that can be implemented, and the purposes and effects that can be achieved, the following is a detailed description of the specific embodiments listed in conjunction with the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0025] Reference to "embodiment" herein means that the specific features, structures or characteristics described in conjunction with the embodiment may be included in at least one embodiment of the present application. The term "embodiment" appearing in various places in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or association with other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the various technical features mentioned in the embodiments can be combined in any way to form a corresponding implementable technical solution.

[0026] Unless otherwise defined, the technical terms used in this document have the same meanings as those generally understood by those skilled in the art to which this application belongs; the use of relevant terms in this document is only for describing specific embodiments and is not intended to limit this application.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-pressure airflow mill for preparing metallic silicon powder, comprising a grinding barrel (1), characterized in that: The grinding barrel (1) is provided with a grinding mechanism for grinding the metal silicon block, the grinding mechanism comprising a grinding cover (2), the grinding cover (2) is fixedly connected to the top of the grinding barrel (1), a guide column (3) is fixedly connected to the middle position of the bottom of the grinding cover (2), the guide column (3) guides the metal silicon block in a circular shape, a plurality of grinding columns (4) are fixedly connected to the inner wall of the grinding barrel (1), and a gas transmission mechanism for outputting a high-pressure gas flow is provided on the grinding barrel (1).

2. The high-pressure airflow mill for preparing metallic silicon powder according to claim 1, characterized in that: The air delivery mechanism comprises an air inlet (5), the air inlet (5) being opened at the front side of the right end of the grinding barrel (1), the right end of the grinding barrel (1) being fixedly connected to a mounting plate (6), a high-pressure air pump (7) being mounted on the mounting plate (6), the output end of the high-pressure air pump (7) being fixedly connected forward to one end of a first guide frame (8), the other end of the first guide frame (8) being fixedly connected to the air inlet (5) at the right end of the grinding barrel (1), the first guide frame (8) guiding the air from the high-pressure air pump (7) into the grinding barrel (1).

3. The high-pressure airflow mill for preparing metallic silicon powder according to claim 2, characterized in that: The top end of the grinding cover (2) is located above the air inlet (5) and is provided with a feed inlet (9). The top end of the grinding cover (2) is located at the feed inlet (9) and is fixedly connected to a second guide frame (10), and the second guide frame (10) guides the metal silicon block from top to bottom.

4. The high-pressure air flow mill for preparing metallic silicon powder according to claim 3, characterized in that: The bottom end of the grinding barrel (1) is provided with a discharge port (11), and the bottom end of the grinding barrel (1) is located below the discharge port (11) and is fixedly connected with a collecting trough (12), the collecting trough (12) is communicated with the discharge port (11), and a sliding groove (13) is provided at the left end of the collecting trough (12), and a collecting drawer (14) is slidably connected in the sliding groove (13).

5. The high-pressure airflow mill for preparing metallic silicon powder according to claim 4, characterized in that: The left end of the collection drawer (14) is fixedly connected with an opening handle (15).

6. The high-pressure air flow mill for preparing metallic silicon powder according to claim 5, characterized in that: The feed inlet (9) is opened for inclined feeding, and the inclination direction is along the airflow direction.

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