Bulk silicon powder conveying device of smelting furnace

Abstract

The utility model relates to the technical field of bulk silicon powder conveying devices, and discloses a bulk silicon powder conveying device of a smelting furnace, which comprises a track, a transport vehicle is arranged at the top end of the track, a control box is fixedly connected to the front side of the top end of the transport vehicle, a material box is connected to the top end of the transport vehicle through a supporting assembly, and a fixing plate is arranged at the top end of the material box. The front end and the rear end of the fixing plate are both in threaded connection with two bolts, a stirring assembly is arranged at the top end of the fixing plate, a feeding pipe is arranged at the bottom end of the material box in a penetrating mode, a conveying pipe is fixed to the bottom end of the feeding pipe, and a first motor is fixedly connected to the right end of the conveying pipe. According to the silicon powder feeding device, the first motor drives the second rotating shaft to rotate so that the packing auger can rotate, silicon powder is conveyed into the discharging pipe and falls into a smelting furnace along the discharging pipe, manual feeding is not needed, continuous and uniform feeding is guaranteed, compared with dumping feeding, the feeding fall is greatly reduced, the feeding precision is improved, and materials are prevented from being raised and sucked by workers.

Description

Technical Field

[0001] The utility model relates to the technical field of bulk silicon powder conveying devices, in particular to a bulk silicon powder conveying device for a smelting furnace. Background Art

[0002] The bulk silicon powder conveying device of the smelting furnace plays an important role in the metallurgical industry. It is mainly used to transport raw materials to the smelting furnace or reaction furnace to ensure the continuous production of the smelting furnace and avoid furnace temperature fluctuations or production interruptions caused by uneven feeding.

[0003] However, when the existing loose silicon powder conveying device conveys raw materials into the smelting furnace, it is directly poured into the furnace. The high height causes the silicon powder to be lifted up under the action of the high-temperature gas in the furnace. Workers are very likely to inhale the lifted dust, which in turn causes harm to the workers' bodies. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a bulk silicon powder conveying device for a smelting furnace, which does not require manual feeding and ensures continuous and uniform feeding. Compared with dumping feeding, the feeding drop is greatly reduced, the feeding accuracy is improved and the material is prevented from being lifted up and inhaled by workers.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A loose silicon powder conveying device for a smelting furnace comprises a track, a transport trolley is provided at the top of the track, a control box is fixedly connected to the front side of the top of the transport trolley, a material box is connected to the top of the transport trolley through a supporting assembly, a fixed plate is provided at the top of the material box, two bolts are threadedly connected to both the front and rear ends of the fixed plate, a stirring assembly is provided at the top of the fixed plate, a feed pipe is passed through the bottom end of the material box, a conveying pipe is fixed to the bottom end of the feed pipe, a motor is fixedly connected to the right end of the conveying pipe, a rotating shaft is fixedly connected to a second driving end of the motor, an auger is fixedly connected to the outer wall of the rotating shaft, a discharge pipe is passed through the left side of the bottom end of the conveying pipe, and a support block is fixedly connected to the right side of the conveying pipe.

[0007] Furthermore, the support assembly includes support columns fixedly connected at the four corners of the top of the transport vehicle, each of the support columns is fixedly connected to a cross bar at one opposite end, the top of the support column is fixedly connected to a support frame, and the outer wall of the material box is fixedly connected to the inner wall of the support frame.

[0008] Furthermore, the stirring assembly includes a second motor fixedly connected to the top of the fixed plate, a driving end of the second motor is fixedly connected to a rotating shaft 1, and an outer wall of the rotating shaft 1 is fixedly connected to a plurality of stirring blades.

[0009] Furthermore, the second outer walls of the rotating shaft are rotatably connected to the inner wall of the conveying pipe, and the top end of the conveying pipe is fixedly connected to the bottom end of the left cross bar.

[0010] Furthermore, the bottom end of the support block is fixedly connected to the top end of the transport vehicle.

[0011] Furthermore, the front and rear sides of the bottom end of the fixing plate are both arranged on the top end of the supporting frame, and the outer walls of the bolts are threadedly connected to the inner wall of the top end of the supporting frame.

[0012] Furthermore, an outer wall of the rotating shaft is rotatably connected to the inner wall of the fixing plate.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the auger cooperates with the motor 1, the conveying pipe, the rotating shaft 2 and the discharge pipe to realize the device without manual loading and ensure continuous and uniform feeding. Compared with the tipping feeding, the feeding drop is greatly reduced, the feeding accuracy is improved and the material is prevented from being lifted up and inhaled by workers.

[0015] 2. In the utility model, the stirring blade cooperates with the fixed plate, the second motor, the bolts and the first rotating shaft, so that the device can stir the material inside the material box to maintain fluidity, avoid the material from being blocked inside the material box and affecting the feeding, and during the later maintenance, the entire stirring structure can be removed from the material box to avoid affecting the cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of a bulk silicon powder conveying device for a smelting furnace proposed by the utility model;

[0017] Figure 2 This is a right side perspective view of a bulk silicon powder conveying device for a smelting furnace proposed by the utility model;

[0018] Figure 3 The utility model is a cross-sectional view of a material box in a bulk silicon powder conveying device of a smelting furnace.

[0019] Legend:

[0020] 1. Track; 2. Transport vehicle; 3. Control box; 4. Motor 1; 5. Support column; 6. Material box; 7. Support frame; 8. Fixing plate; 9. Motor 2; 10. Bolt; 11. Feed pipe; 12. Cross bar; 13. Conveying pipe; 14. Discharge pipe; 15. Support block; 16. Rotating shaft 1; 17. Stirring blade; 18. Rotating shaft 2; 19. Auger. DETAILED DESCRIPTION

[0021] 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.

[0022] Reference Figure 1 and Figure 2 , the utility model provides an embodiment: a bulk silicon powder conveying device for a smelting furnace, comprising a track 1, a transport vehicle 2 is arranged at the top of the track 1, a control box 3 is fixedly connected to the front side of the top of the transport vehicle 2, support columns 5 are fixedly connected to the four corners of the top of the transport vehicle 2, and a cross bar 12 is fixedly connected to the opposite end of the support column 5, a support frame 7 is fixedly connected to the top of the support column 5, a material box 6 is fixedly connected to the inner wall of the support frame 7, a fixing plate 8 is arranged at the top of the material box 6, two bolts 10 are threadedly connected to the front and rear ends of the fixing plate 8, the front and rear sides of the bottom end of the fixing plate 8 are arranged at the top of the support frame 7, the outer walls of the bolts 10 are threadedly connected to the inner wall of the top of the support frame 7, the top of the fixing plate 8 is fixedly connected to a motor 2 9, the driving end of the motor 2 9 is fixedly connected to a rotating shaft 16, the outer wall of the rotating shaft 16 is rotatably connected to the inner wall of the fixing plate 8, and a plurality of stirring blades 17 are fixedly connected to the outer wall of the rotating shaft 16;

[0023] Specifically, the loose silicon powder is poured into the material box 6, and the transport vehicle 2 is controlled by the control box 3 to move on the track 1. The control device transports the silicon powder and replenishes the raw materials inside the material box 6. In the process of transporting the silicon powder to the inside of the smelting furnace, the motor 2 9 drives the rotating shaft 16 to rotate so that the stirring blade 17 slowly stirs the silicon powder inside the material box 6 to ensure the fluidity of the silicon powder and prevent the silicon powder from being blocked inside the material box 6. After long-term use, the bolt 10 can be removed from the fixed plate 8 by tools, so that the fixed plate 8 together with the entire stirring structure can be taken out from the inside of the material box 6, so as to facilitate the cleaning of the inside of the material box 6 and avoid the stirring blade 17 hindering the brush cleaning during the cleaning process.

[0024] Reference Figure 1 and Figure 3 A feed pipe 11 is passed through the bottom end of the material box 6, a conveying pipe 13 is fixed to the bottom end of the feed pipe 11, a motor 4 is fixedly connected to the right end of the conveying pipe 13, a rotating shaft 2 18 is fixedly connected to the driving end of the motor 4, the outer wall of the rotating shaft 2 18 is rotatably connected to the inner wall of the conveying pipe 13, the top of the conveying pipe 13 is fixedly connected to the bottom end of the left cross bar 12, the outer wall of the rotating shaft 2 18 is fixedly connected to the auger 19, a discharge pipe 14 is passed through the left side of the bottom end of the conveying pipe 13, a support block 15 is fixedly connected to the right side of the conveying pipe 13, and the bottom end of the support block 15 is fixedly connected to the top of the transport vehicle 2;

[0025] Specifically, loose silicon powder enters the conveying pipe 13 through the feed pipe 11, and the motor 14 drives the rotating shaft 18 to rotate the auger 19, and the silicon powder is conveyed to the inside of the discharge pipe 14, and falls into the smelting furnace along the discharge pipe 14. The silicon powder is conveyed by the auger 19 to ensure the continuity of material transportation, and no manual feeding is required. At the same time, the discharge pipe 14 is directly located above the smelting furnace mouth for feeding. Compared with the tipping feeding, the feeding drop is greatly reduced, the feeding accuracy is improved and the material is prevented from being lifted up and inhaled by the workers.

[0026] Working principle: Pour the loose silicon powder into the material box 6, control the transport vehicle 2 to move on the track 1 through the control box 3, and control the conveying of silicon powder and the replenishment of raw materials inside the material box 6. In the process of conveying silicon powder to the inside of the smelting furnace, the motor 2 9 drives the rotating shaft 16 to rotate so that the stirring blade 17 slowly stirs the silicon powder inside the material box 6 to ensure the fluidity of the silicon powder and prevent the silicon powder from being blocked inside the material box 6. After long-term use, the bolt 10 can be removed from the fixing plate 8 by tools, so that the fixing plate 8 and the entire stirring structure can be taken out from the inside of the material box 6, which is convenient for the inside of the material box 6. Cleaning is carried out to prevent the stirring blades 17 from obstructing the brush cleaning during the cleaning process. The loose silicon powder enters the conveying pipe 13 through the feed pipe 11, and the motor 14 drives the rotating shaft 18 to rotate to rotate the auger 19, and the silicon powder is conveyed to the inside of the discharge pipe 14, and falls into the smelting furnace along the discharge pipe 14. The silicon powder is conveyed by the auger 19 to ensure the continuity of material transportation, and no manual feeding is required. At the same time, the discharge pipe 14 is directly located above the smelting furnace mouth for feeding. Compared with the tipping feeding, the feeding drop is greatly reduced, the feeding accuracy is improved and the material is prevented from being lifted up and inhaled by the workers.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bulk silicon powder conveying device for a smelting furnace, comprising a track (1), characterized in that: A transport vehicle (2) is arranged at the top of the track (1), a control box (3) is fixedly connected to the front side of the top of the transport vehicle (2), a material box (6) is connected to the top of the transport vehicle (2) through a support assembly, a fixing plate (8) is arranged at the top of the material box (6), two bolts (10) are threadedly connected to the front and rear ends of the fixing plate (8), a stirring assembly is arranged at the top of the fixing plate (8), a feed pipe (11) is passed through the bottom end of the material box (6), a conveying pipe (13) is fixedly connected to the bottom end of the feed pipe (11), a motor (4) is fixedly connected to the right end of the conveying pipe (13), a rotating shaft (18) is fixedly connected to the driving end of the motor (4), an auger (19) is fixedly connected to the outer wall of the rotating shaft (18), a discharge pipe (14) is passed through the left side of the bottom end of the conveying pipe (13), and a support block (15) is fixedly connected to the right side of the conveying pipe (13).

2. The bulk silicon powder conveying device for a smelting furnace according to claim 1, characterized in that: The support assembly comprises support columns (5) fixedly connected at the four corners of the top of the transport vehicle (2), the support columns (5) are fixedly connected to a cross bar (12) at one opposite end, the top of the support columns (5) is fixedly connected to a support frame (7), and the outer wall of the material box (6) is fixedly connected to the inner wall of the support frame (7).

3. The bulk silicon powder conveying device for a smelting furnace according to claim 1, characterized in that: The stirring assembly comprises a second motor (9) fixedly connected to the top of a fixed plate (8), a driving end of the second motor (9) being fixedly connected to a first rotating shaft (16), and an outer wall of the first rotating shaft (16) being fixedly connected to a plurality of stirring blades (17).

4. The bulk silicon powder conveying device for a smelting furnace according to claim 1, characterized in that: The outer wall of the second rotating shaft (18) is rotatably connected to the inner wall of the conveying pipe (13), and the top end of the conveying pipe (13) is fixedly connected to the bottom end of the left cross bar (12).

5. The bulk silicon powder conveying device for a smelting furnace according to claim 1, characterized in that: The bottom end of the support block (15) is fixedly connected to the top end of the transport vehicle (2).

6. The bulk silicon powder conveying device for a smelting furnace according to claim 1, characterized in that: The front and rear sides of the bottom end of the fixing plate (8) are both arranged on the top end of the support frame (7), and the outer walls of the bolts (10) are threadedly connected to the inner wall of the top end of the support frame (7).

7. The bulk silicon powder conveying device for a smelting furnace according to claim 3, characterized in that: The outer wall of the rotating shaft (16) is rotatably connected to the inner wall of the fixed plate (8).

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