Silicon powder pickling and impurity removing device

Abstract

The utility model discloses a silicon powder pickling and impurity removing device which comprises a tank body, a vertical plate is arranged on the side of the tank body, an auxiliary stabilizing mechanism is arranged on the side surface of the vertical plate, and the auxiliary stabilizing mechanism comprises a two-way threaded rod, a threaded cylinder, a connecting block, a fixing rod, a guide block, a connecting rod, a clamping plate and a grip. A bidirectional threaded rod is rotated through an arranged grip, then a threaded cylinder moves in the axial direction of the bidirectional threaded rod under the equal-size effect of a guide block till a clamping plate clamps the side wall of a tank body and seals a feeding port of the tank body, the effect of stabilizing vibration generated during operation of a first motor is achieved, and the stability of the tank body is improved; the acid washing liquid is prevented from splashing out of the tank body when the stirring blades are used for stirring, and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of silicon powder processing, in particular to a silicon powder acid washing and impurity removal device. Background Art

[0002] Silica fume, also known as microsilica or silica fume, is mainly composed of glassy silicon dioxide. Silica fume is a fine crystalline powder obtained by collecting and processing the smoke generated when industrial silicon and ferrosilicon are smelted at high temperature in industrial electric furnaces through special capture devices. Its particle size is very small, and the average particle size is almost nanometer level. Silica fume is not only used to manufacture materials such as cement and ceramics, but also has a wide range of applications in electronics, construction, abrasives and other industries.

[0003] When the existing silicon powder pickling and impurity removal device is performing pickling and impurity removal, the stirring blade is generally driven by a motor to rotate to increase the reaction rate of the acidic washing liquid and the raw material. However, the vibration generated by the motor during operation will exert a certain load on the stirring tank as a whole, reducing the service life of the equipment. In addition, when the stirring blade rotates, the acidic washing liquid may splash out from the inside of the tank, which is dangerous. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a silicon powder pickling and impurity removal device, wherein the bidirectional threaded rod is rotated by a handle arranged, and then the threaded cylinder moves along the axial direction of the bidirectional threaded rod under the action of a guide block and the like, until the clamp clamps the side wall of the tank body and seals the feed port of the tank body, which not only stabilizes the vibration generated by the operation of the first motor, but also avoids splashing of the acidic washing liquid from the tank body when the stirring blade is stirring, and the auxiliary stabilizing mechanism is simple and convenient to operate; when the silicon powder is transported to the bottom of the iron removal mechanism, the iron filings in the silicon powder will be absorbed by the first electromagnet, and then the connecting plate is driven to rotate by the second motor to cut off the power to the first electromagnet, and the absorbed iron filings fall into the collecting box, while the second electromagnet is energized to continue to absorb the iron filings, and the operation is repeated in a cycle to ensure the purity of the silicon powder, and the utility model has good practicality.

[0005] The utility model also provides a silicon powder pickling and impurity removal device as mentioned above, comprising: a tank body, a vertical plate is arranged on the side of the tank body, and an auxiliary stabilization mechanism is arranged on the side surface of the vertical plate, and the auxiliary stabilization mechanism comprises a bidirectional threaded rod, a threaded barrel, a connecting block, a fixed rod, a guide block, a connecting rod, a clamp and a handle, the outer surface of the bidirectional threaded rod is threadedly connected to the threaded barrel, the outer surface of the threaded barrel is fixedly connected to the connecting block, the outer surface of the guide block is fixedly connected to the connecting block, both ends of the fixing rod are fixedly connected to the vertical plate, the outer surface of the fixing rod is slidably connected to the guide block, the outer surface of the threaded barrel is fixedly connected to the connecting rod, and the end of the connecting rod away from the threaded barrel is fixedly connected to the clamp, and the side surface of the tank body is fixedly connected with a support column.

[0006] According to the silicon powder pickling and impurity removal device, the outer surface of the bidirectional threaded rod is rotatably connected to the vertical plate, and one end of the bidirectional threaded rod passes through the vertical plate and is fixedly connected to the handle.

[0007] According to the silicon powder pickling and impurity removal device, the number of the clamping plates is two and they are symmetrically arranged, and the top inner wall of the clamping plate is flush with the feed port of the tank body.

[0008] According to the silicon powder pickling and impurity removal device, a fixed block is fixedly connected to the upper surface of the tank body, a first motor is fixedly connected to the upper surface of the fixed block, a stirring shaft is fixedly connected to the output end of the first motor, and a stirring blade is fixedly connected to the outer surface of the stirring shaft.

[0009] According to the silicon powder pickling and impurity removal device, a discharge pipe is provided at the bottom end of the tank body, and a first control valve is provided on the outer surface of the discharge pipe.

[0010] According to the silicon powder acid washing and impurity removal device, a branch pipe is provided on the side surface of the tank body, and a second control valve is provided on the outer surface of the branch pipe.

[0011] According to the silicon powder pickling and impurity removal device, a mounting frame is provided below the tank body, a conveyor is provided on the side surface of the mounting frame, and a liquid collecting box is provided below the conveyor.

[0012] According to the silicon powder pickling and impurity removal device, an iron removal mechanism is arranged on the upper surface of the mounting frame, and the iron removal mechanism includes a support seat, and the support seat includes a second motor, and the output end of the second motor is fixedly connected to a connecting plate, and the lower surface of the connecting plate is fixedly connected to a first electromagnet, and the lower surface of the connecting plate is fixedly connected to a second electromagnet, and the side surface of the mounting frame is fixedly connected to a collection box.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a schematic diagram of the overall structure of a silicon powder acid washing and impurity removal device of the utility model;

[0016] Figure 2 This is a schematic diagram of the auxiliary stabilizing mechanism structure of a silicon powder pickling and impurity removal device of the utility model;

[0017] Figure 3This is a schematic diagram of the internal structure of a tank of a silicon powder acid washing and impurity removal device of the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the iron removal mechanism of a silicon powder acid washing and impurity removal device.

[0019] Legend:

[0020] 1. Tank body; 2. Fixed block; 3. First motor; 4. Stirring shaft; 5. Stirring blade; 6. Discharge pipe; 7. First control valve; 8. Branch pipe; 9. Second control valve; 10. Vertical plate; 11. Bidirectional threaded rod; 12. Threaded barrel; 13. Connecting block; 14. Fixed rod; 15. Guide block; 16. Connecting rod; 17. Clamp; 18. Handle; 19. Support column; 20. Mounting frame; 21. Conveyor; 22. Liquid collecting box; 23. Support seat; 24. Second motor; 25. Connecting plate; 26. First electromagnet; 27. Second electromagnet; 28. Collecting box. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figure 1-4 The utility model embodiment is a silicon powder pickling and impurity removal device, which includes: a tank body 1, a fixed block 2 is fixedly connected to the upper surface of the tank body 1, a first motor 3 is fixedly connected to the upper surface of the fixed block 2, a stirring shaft 4 is fixedly connected to the output end of the first motor 3, and a stirring blade 5 is fixedly connected to the outer surface of the stirring shaft 4. Silicon powder and acidic washing liquid are added into the tank body 1 through the feed port of the tank body 1, and then the stirring shaft 4 is driven to rotate by the first motor 3, so that the stirring shaft 4 drives the stirring blade 5 to rotate, so that the silicon powder and the acidic washing liquid are fully mixed and reacted.

[0023] A discharge pipe 6 is provided at the bottom end of the tank body 1, and a first control valve 7 is provided on the outer surface of the discharge pipe 6. A branch pipe 8 is provided on the side surface of the tank body 1, and a second control valve 9 is provided on the outer surface of the branch pipe 8. The first control valve 7 is used to control the discharge pipe 6 to discharge the material after the reaction is completed, and the second control valve 9 is used to control the branch pipe 8 to discharge the suspended matter and floating matter in the upper layer after the reaction is completed.

[0024] A vertical plate 10 is arranged on the side of the tank body 1, and an auxiliary stabilizing mechanism is arranged on the side surface of the vertical plate 10, and the auxiliary stabilizing mechanism includes a bidirectional threaded rod 11, a threaded barrel 12, a connecting block 13, a fixing rod 14, a guide block 15, a connecting rod 16, a clamping plate 17 and a handle 18. The outer surface of the bidirectional threaded rod 11 is rotatably connected to the vertical plate 10, one end of the bidirectional threaded rod 11 penetrates the vertical plate 10 and is fixedly connected to the handle 18, the outer surface of the bidirectional threaded rod 11 is threadedly connected to the threaded barrel 12, the outer surface of the threaded barrel 12 is fixedly connected to the connecting block 13, the outer surface of the guide block 15 is fixedly connected to the connecting block 13, both ends of the fixing rod 14 are fixedly connected to the vertical plate 10, the outer surface of the fixing rod 14 is slidably connected to the guide block 15, and the outer surface of the threaded barrel 12 It is fixedly connected to the connecting rod 16, and the end of the connecting rod 16 away from the threaded barrel 12 is fixedly connected to the clamping plate 17. There are two clamping plates 17 and they are symmetrically arranged. The top inner wall of the clamping plate 17 is flush with the feeding port of the tank body 1. The side surface of the tank body 1 is fixedly connected with a support column 19. Before adding raw materials and starting the first motor 3, the handle 18 is rotated to rotate the bidirectional threaded rod 11, and then the threaded barrel 12 moves along the axial direction of the bidirectional threaded rod 11 under the action of the guide block 15 and the like, until the clamping plate 17 clamps the side wall of the tank body 1 and seals the feeding port of the tank body 1, which not only stabilizes the vibration generated during the operation of the first motor 3, but also avoids the acidic lotion from splashing out of the tank body 1 when the stirring blade 5 is stirring, and the auxiliary stabilization mechanism is simple and convenient to operate.

[0025] A mounting frame 20 is provided below the tank body 1, a conveyor 21 is provided on the side surface of the mounting frame 20, a liquid collecting box 22 is provided below the conveyor 21, an iron removal mechanism is provided on the upper surface of the mounting frame 20, the iron removal mechanism includes a support seat 23, the support seat 23 includes a second motor 24, the output end of the second motor 24 is fixedly connected to a connecting plate 25, the lower surface of the connecting plate 25 is fixedly connected to a first electromagnet 26, the lower surface of the connecting plate 25 is fixedly connected to a second electromagnet 27, and the side surface of the mounting frame 20 is fixedly connected to the first electromagnet 26. A collecting box 28 is fixedly connected to the surface. When the precipitated silicon powder after the reaction is discharged from the discharge pipe 6 and falls onto the conveyor 21, the excess liquid will be collected by the collecting box 22. When the silicon powder is transported to the bottom of the iron removal mechanism, the iron filings in the silicon powder will be adsorbed by the first electromagnet 26, and then the connecting plate 25 is driven to rotate by the second motor 24, so that the first electromagnet 26 is powered off, and the adsorbed iron filings fall into the collecting box 28. At the same time, the second electromagnet 27 is powered on to continue to adsorb the iron filings. The operation is repeated in a cycle, which has good practicality.

[0026] Working principle: When the device is used to remove impurities from silicon powder, first add silicon powder and acidic washing liquid into the tank body 1 through the feed port of the tank body 1, then turn the handle 18 to rotate the bidirectional threaded rod 11, and then the threaded cylinder 12 moves along the axial direction of the bidirectional threaded rod 11 under the action of the guide block 15 and the like, until the clamping plate 17 clamps the side wall of the tank body 1 and seals the feed port of the tank body 1, which not only stabilizes the vibration generated by the operation of the first motor 3, but also prevents the acidic washing liquid from splashing out of the tank body 1 when the stirring blade 5 is stirring, and the auxiliary stabilizing mechanism is simple and convenient to operate, and then start the first motor 3 to drive the stirring shaft 4 to rotate, so that the stirring shaft 4 carries The stirring blade 5 is rotated to fully mix the silicon powder and the acidic washing solution. When the reaction is completed, the second control valve 9 is opened to discharge the suspended matter and floating matter in the upper layer, and then the first control valve 7 is opened to discharge the precipitated silicon powder from the discharge pipe 6 onto the conveyor 21. The excess liquid will be collected by the collecting tank 22. When the silicon powder is transported to the bottom of the iron removal mechanism, the iron filings in the silicon powder will be absorbed by the first electromagnet 26, and then the second motor 24 drives the connecting plate 25 to rotate, so that the first electromagnet 26 is powered off, and the absorbed iron filings fall into the collecting box 28. At the same time, the second electromagnet 27 is powered on to continue to absorb the iron filings. The operation is repeated in a cycle, which has good practicality.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A silicon powder pickling and impurity removal device, characterized in that: include: A tank body (1), a vertical plate (10) is arranged on the side of the tank body (1), an auxiliary stabilizing mechanism is arranged on the side surface of the vertical plate (10), the auxiliary stabilizing mechanism comprises a bidirectional threaded rod (11), a threaded barrel (12), a connecting block (13), a fixing rod (14), a guide block (15), a connecting rod (16), a clamping plate (17) and a handle (18), the outer surface of the bidirectional threaded rod (11) is threadedly connected to the threaded barrel (12), the outer surface of the threaded barrel (12) is threadedly connected to the connecting block (13) is fixedly connected, the outer surface of the guide block (15) is fixedly connected to the connecting block (13), the two ends of the fixing rod (14) are fixedly connected to the vertical plate (10), the outer surface of the fixing rod (14) is slidably connected to the guide block (15), the outer surface of the threaded tube (12) is fixedly connected to the connecting rod (16), the end of the connecting rod (16) away from the threaded tube (12) is fixedly connected to the clamping plate (17), and the side surface of the tank body (1) is fixedly connected with a support column (19).

2. A silicon powder pickling and impurity removal device according to claim 1, characterized in that: The outer surface of the bidirectional threaded rod (11) is rotatably connected to the vertical plate (10), and one end of the bidirectional threaded rod (11) passes through the vertical plate (10) and is fixedly connected to the handle (18).

3. The silicon powder pickling and impurity removal device according to claim 1, characterized in that: The number of the clamping plates (17) is two and they are symmetrically arranged, and the top inner wall of the clamping plates (17) is flush with the feed opening of the tank body (1).

4. The silicon powder pickling and impurity removal device according to claim 1, characterized in that: A fixing block (2) is fixedly connected to the upper surface of the tank body (1), a first motor (3) is fixedly connected to the upper surface of the fixing block (2), a stirring shaft (4) is fixedly connected to the output end of the first motor (3), and a stirring blade (5) is fixedly connected to the outer surface of the stirring shaft (4).

5. The silicon powder pickling and impurity removal device according to claim 1, characterized in that: A discharge pipe (6) is provided at the bottom end of the tank body (1), and a first control valve (7) is provided on the outer surface of the discharge pipe (6).

6. The silicon powder pickling and impurity removal device according to claim 1, characterized in that: A branch pipe (8) is provided on the side surface of the tank body (1), and a second control valve (9) is provided on the outer surface of the branch pipe (8).

7. The silicon powder pickling and impurity removal device according to claim 1, characterized in that: A mounting frame (20) is arranged below the tank body (1), a conveyor (21) is arranged on the side surface of the mounting frame (20), and a liquid collecting box (22) is arranged below the conveyor (21).

8. The silicon powder pickling and impurity removal device according to claim 7, characterized in that: An iron removal mechanism is arranged on the upper surface of the mounting frame (20), the iron removal mechanism comprises a support seat (23), the support seat (23) comprises a second motor (24), an output end of the second motor (24) is fixedly connected to a connecting plate (25), a lower surface of the connecting plate (25) is fixedly connected to a first electromagnet (26), a lower surface of the connecting plate (25) is fixedly connected to a second electromagnet (27), and a side surface of the mounting frame (20) is fixedly connected to a collecting box (28).

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