Separation equipment for polycrystalline silicon by-products
Through the separation equipment of multi-stage filtration and rotary centrifugal force combined with agitating structure, the problem of low separation efficiency of polycrystalline silicon by-products is solved, efficient separation and full recycling of resources are achieved, and the green development of the polycrystalline silicon industry is promoted.
Patent Information
- Application Number
- CN202422341392.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-25
AI Technical Summary
During the existing polysilicon production process, the by-product separation efficiency is low, resulting in the by-products containing more impurities, which affects subsequent utilization.
Using multi-stage filtration combined with rotating centrifugal force and agitating structure separation equipment, the combination of multi-layer rotating cylinder and filter mesh cylinder combined with the agitating effect of the agitating rod is used to achieve efficient separation of polycrystalline silicon by-products.
It has improved the separation efficiency of polysilicon by-products, improved the resource recycling rate, and promoted the green and sustainable development of the polysilicon industry.
Smart Images

Figure CN223170532U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polysilicon by - product separation, in particular to a separation device for polysilicon by - products. Background Technique
[0002] With the continuous growth of the global demand for renewable energy, polysilicon, as the core material of the solar photovoltaic industry, has seen a continuous expansion in its production scale. However, a large number of by - products are inevitably generated during the polysilicon production process. These by - products contain a variety of valuable and components that need to be processed. Effectively separating these by - products can not only improve resource utilization efficiency but also reduce the environmental burden and promote green production.
[0003] Existing separation devices have the problem of low separation efficiency, resulting in more impurities still remaining in the by - products, which affects subsequent utilization. Therefore, the utility model proposes a separation device for polysilicon by - products to solve the problems existing in the prior art. Summary of the Utility Model
[0004] Aiming at the above problems, the purpose of the utility model is to propose a separation device for polysilicon by - products. The separation device for polysilicon by - products improves the separation efficiency through the combined action of multi - stage filtration and rotational centrifugal force, and is equipped with a stirring structure to ensure full contact of the materials during the separation process, efficiently separating the by - products generated during the polysilicon production process, improving the resource recovery and utilization rate, and promoting the green and sustainable development of the polysilicon industry.
[0005] To achieve the purpose of the utility model, the utility model is realized through the following technical solutions: A separation device for polysilicon by - products includes a separation box body, a box cover, a preliminary filtration mechanism, a stirring mechanism, a transmission box, a driving mechanism, and a filter mesh cylinder. The separation box body is provided with a box cover. One side above the box cover is provided with a preliminary filtration mechanism, and the lower side of the box cover is provided with a stirring mechanism. The transmission box is arranged below the separation box body. The driving mechanism includes multiple layers of rotating cylinders, an installation mechanism, a fixed bevel gear, a transmission bevel gear, and a driving motor. The bottom surface of the separation box body is penetrated by multiple layers of rotating cylinders. The multiple layers of rotating cylinders are composed of four groups of sleeves with different lengths and gradually increasing diameters that are rotationally sleeved. The outermost layer is rotationally adapted to the bottom surface of the separation box body. The filter mesh cylinder is arranged above the multiple layers of rotating cylinders through the installation mechanism. Multiple groups of filter mesh cylinders are sleeved inside and outside the filter mesh cylinder, and the pore diameters decrease from the inside to the outside. The lower ends of the multiple layers of rotating cylinders extend into the transmission box and are symmetrically provided with fixed bevel gears. A transmission bevel gear is arranged in the transmission box on one side of the fixed bevel gear, and a driving motor is arranged on one side of the transmission box.
[0006] Further improvements are: the output end of the driving motor is connected to the transmission bevel gear for transmission, the fixed bevel gears are fixed at the ends of different layers of the multi-layer rotating cylinder and are symmetrically distributed below the transmission bevel gear, and the fixed bevel gears are symmetrically arranged in four groups, the two middle groups of the four groups of fixed bevel gears have the same diameter, and the two groups on the upper and lower sides have the same diameter, and two groups of the transmission bevel gears are arranged in the front and back, the transmission bevel gear with a smaller diameter at the front end is meshed with the two middle groups of fixed bevel gears, and the rear end with a larger diameter is meshed with the upper and lower groups of fixed bevel gears.
[0007] Further improvements are: the preliminary filtering mechanism includes a filter box, a feed pipe, a plug-in filter frame and a connecting material pipe. A filter box is arranged above the box cover, a feed pipe is arranged above the filter box, a plug-in filter frame is arranged in the filter box, and the plug-in filter frame is detachable. The bottom of the filter box is connected to the separation box body through a connecting material pipe that penetrates the box cover and is located above the innermost filter cylinder.
[0008] Further improvements are: the stirring mechanism includes a stirring motor, a rotating frame and a stirring rod, the stirring motor is provided on the box cover, the output end of the stirring motor is provided with a rotating frame passing through the box cover, the lower end of the rotating frame is symmetrically provided with stirring rods, and the stirring rods are distributed in the intervals between multiple groups of filter screens.
[0009] Further improvements are: the mounting mechanism includes a mounting plate, an adapting groove, a positioning block, a positioning groove and a fixed magnet; the upper end of the multi-layer rotating cylinder is layered with a mounting plate, an adapting groove is provided under the filter cylinder, the adapting groove is adapted to the mounting plate, the mounting plate is symmetrically provided with positioning blocks, the inner side wall of the adapting groove is provided with a positioning groove, the adapting groove is adapted to the positioning block, and a fixed magnet is embedded in the positioning block.
[0010] A further improvement is that a discharge pipe is provided on one side of the separation box body, support legs are symmetrically provided below the separation box body, a contraction groove is provided below the support legs, and a universal wheel is provided in the contraction groove through a lifting cylinder.
[0011] The beneficial effects of the present invention are as follows: the present invention improves separation efficiency through the separation effect of multi-stage filtration combined with rotating centrifugal force, and cooperates with the stirring structure to ensure that the materials are fully contacted during the separation process, and efficiently separates the by-products generated in the polysilicon production process, thereby improving resource recovery and utilization rates and promoting the green and sustainable development of the polysilicon industry. At the same time, the multiple groups of filter mesh cylinders arranged by the installation mechanism can be quickly disassembled to facilitate replacement of filter structures of different pore sizes according to separation requirements, and can also be combined with different pore sizes between multiple groups of filter mesh cylinders according to different by-products, which has better applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1This is the front view of the present utility model.
[0013] Figure 2 This is the front sectional view of the present utility model.
[0014] Figure 3 This is the top view of the mounting plate of the present utility model.
[0015] Figure 4 This is the structural diagram of the fitting groove on the bottom surface of the filter mesh cylinder of the present utility model.
[0016] Wherein: 1. Separation box body; 2. Box cover; 3. Transmission box; 4. Filter mesh cylinder; 5. Multi-layer rotating cylinder; 6. Fixed bevel gear; 7. Driving bevel gear; 8. Driving motor; 9. Filter box; 10. Feed pipe; 11. Plug-in filter mesh frame; 12. Connecting material pipe; 13. Stirring motor; 14. Rotating frame; 15. Stirring rod; 16. Mounting plate; 17. Fitting groove; 18. Positioning block; 19. Positioning groove; 20. Fixed magnet; 21. Discharge pipe; 22. Leg; 23. Shrinkage groove; 24. Lifting cylinder; 25. Universal wheel. Detailed implementation mode
[0017] In order to deepen the understanding of the present utility model, the following will further describe the present utility model in combination with embodiments. These embodiments are only used to explain the present utility model and do not constitute a limitation to the protection scope of the present utility model.
[0018] According to Figures 1-4 As shown, this embodiment provides a separation device for polysilicon by-products, including a separation box body 1, a box cover 2, a preliminary filtration mechanism, a stirring mechanism, a transmission box 3, a driving mechanism and a filter mesh cylinder 4. A box cover 2 is arranged on the separation box body 1. A preliminary filtration mechanism is arranged on one side above the box cover 2, a stirring mechanism is arranged on the lower side of the box cover 2, a transmission box 3 is arranged below the separation box body 1. The driving mechanism includes a multi-layer rotating cylinder 5, a mounting mechanism, a fixed bevel gear 6, a driving bevel gear 7 and a driving motor 8. A multi-layer rotating cylinder 5 penetrates through the bottom surface of the separation box body 1. The multi-layer rotating cylinder is composed of four groups of sleeves with different lengths and gradually increasing diameters that are rotationally sleeved. The outermost layer is rotationally fitted with the bottom surface of the separation box body. The filter mesh cylinder 4 is arranged above the multi-layer rotating cylinder 5 through the mounting mechanism. Multiple groups of filter mesh cylinders 4 are sleeved inside and outside, and the pore diameters decrease from inside to outside. Fixed bevel gears 6 are symmetrically arranged at the lower end of the multi-layer rotating cylinder 5 extending into the transmission box 3. A driving bevel gear 7 is arranged in the transmission box 3 on one side of the fixed bevel gear 6. A driving motor 8 is arranged on one side of the transmission box 3.
[0019] The output end of the driving motor 8 is connected to the driving bevel gear 7 for transmission. The fixed bevel gear 6 is fixed at the ends of different layers of the multi-layer rotating cylinder 5 and symmetrically distributed below the driving bevel gear 7. There are four groups of fixed bevel gears symmetrically arranged. The middle two groups of the four groups of fixed bevel gears have the same diameter, and the upper and lower two groups have the same diameter. There are two groups of driving bevel gears 7 arranged front and back. The driving bevel gear with a smaller diameter at the front end meshes with the middle two groups of fixed bevel gears, and the driving bevel gear with a larger diameter at the rear end meshes with the upper and lower two groups of fixed bevel gears, thereby driving multiple groups of filter mesh cylinders above to rotate in different directions.
[0020] The preliminary filtration mechanism includes a filtration box 9, a feed pipe 10, a plug-in filter mesh frame 11, and a connecting pipe 12. A filtration box 9 is arranged above the box cover 2, a feed pipe 10 is arranged above the filtration box 9, a plug-in filter mesh frame 11 is arranged in the filtration box 9, and the plug-in filter mesh frame is detachably arranged. The lower part of the filtration box 9 penetrates through the box cover 2 through the connecting pipe 12 and communicates with the inside of the separation box body 1 and is located above the innermost filter mesh cylinder 4 to achieve preliminary filtration and remove large particle impurities.
[0021] The stirring mechanism includes a stirring motor 13, a rotating frame 14, and stirring rods 15. A stirring motor 13 is arranged on the box cover 2. The output end of the stirring motor 13 passes through the box cover 2 and is provided with a rotating frame 14. Stirring rods 15 are symmetrically arranged at the lower end of the rotating frame 14. The stirring rods 15 are distributed in the intervals between multiple groups of filter mesh cylinders 4. Under the stirring action of the stirring rods, a vortex is formed to achieve preliminary separation of different components.
[0022] The installation mechanism includes an installation disc 16, a fitting groove 17, a positioning block 18, a positioning groove 19, and a fixing magnet 20. The upper end of the multi-layer rotating cylinder 5 is provided with installation discs 16 in layers. A fitting groove 17 is arranged below the filter mesh cylinder 4. The fitting groove 17 corresponds and fits with the installation disc 16. Positioning blocks 18 are symmetrically arranged on the installation disc 16. A positioning groove 19 is arranged on the inner side wall of the fitting groove 17. The fitting groove 17 corresponds and fits with the positioning block 18. A fixing magnet 20 is embedded on the positioning block 18 to generate suction to adsorb and position the filter mesh cylinder on the installation disc.
[0023] A discharge pipe 21 is arranged on one side of the separation box body 1. Support legs 22 are symmetrically arranged below the separation box body 1. A contraction groove 23 is arranged below the support legs 22. A universal wheel 25 is arranged in the contraction groove 23 through a lifting cylinder 24 to facilitate the overall movement of the device.
[0024] When the separation device for polysilicon by-products is used, by-products are first injected through the feed pipe. First, preliminary filtration is carried out by the plug-in filter mesh frame to remove large particle impurities, and then it enters the innermost filter mesh cylinder in the separation box body. The driving motor and the stirring mechanism are started to rotate and stir. Under the stirring action of the stirring rods in the stirring mechanism, a vortex is formed to achieve preliminary separation of different components, and then high-efficiency separation is achieved through the filtration of multiple-stage filter mesh cylinders, improving the resource recovery utilization rate.
[0025] The basic principle, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.
Claims
1. A separation device for polysilicon by-products, characterized in that: It includes a separation box body (1), a box cover (2), a preliminary filtration mechanism, a stirring mechanism, a transmission box (3), a driving mechanism, and a filter mesh cylinder (4). A box cover (2) is provided on the separation box body (1). A preliminary filtration mechanism is provided on one side above the box cover (2). A stirring mechanism is provided on the lower side of the box cover (2). A transmission box (3) is provided below the separation box body (1). The driving mechanism includes a multi-layer rotating cylinder (5), a mounting mechanism, a fixed bevel gear (6), a transmission bevel gear (7), and a driving motor (8). The bottom surface of the separation box body (1) is penetrated by the multi-layer rotating cylinder (5). The filter mesh cylinder (4) is arranged above the multi-layer rotating cylinder (5) through the mounting mechanism. Multiple groups of filter mesh cylinders (4) are sleeved inside and outside, and the pore diameters decrease from inside to outside. The lower end of the multi-layer rotating cylinder (5) extends into the transmission box (3) and symmetrically provided with fixed bevel gears (6). A transmission bevel gear (7) is provided in the transmission box (3) on one side of the fixed bevel gear (6). A driving motor (8) is provided on one side of the transmission box (3).
2. The separation device for polysilicon by-products according to claim 1, characterized in that: The output end of the driving motor (8) is connected and transmitted to the transmission bevel gear (7). The fixed bevel gears (6) are fixed at the ends of different layers of the multi-layer rotating cylinder (5) and symmetrically distributed below the transmission bevel gear (7). Four groups of fixed bevel gears (6) are symmetrically provided. Two groups of transmission bevel gears (7) are provided in the front and back.
3. The separation device for polysilicon by-products according to claim 1, characterized in that: The preliminary filtration mechanism includes a filter box (9), a feed pipe (10), an inserted filter mesh frame (11), and a connecting material pipe (12). A filter box (9) is provided above the box cover (2). A feed pipe (10) is provided above the filter box (9). An inserted filter mesh frame (11) is provided in the filter mesh frame. The lower part of the filter box (9) penetrates the box cover (2) through the connecting material pipe (12) and communicates with the inside of the separation box body (1) and is located above the innermost filter mesh cylinder (4).
4. A separation device for polysilicon by-products according to claim 1, characterized in that: The stirring mechanism includes a stirring motor (13), a rotating frame (14), and stirring rods (15). A stirring motor (13) is provided on the box cover (2). The output end of the stirring motor (13) passes through the box cover (2) and is provided with a rotating frame (14). Stirring rods (15) are symmetrically provided at the lower end of the rotating frame (14). The stirring rods (15) are distributed in the intervals between multiple groups of filter mesh cylinders (4).
5. The separation device for polysilicon by-products according to claim 1, characterized in that: The mounting mechanism includes a mounting disc (16), a fitting groove (17), a positioning block (18), a positioning groove (19), and a fixing magnet (20). The upper end of the multi-layer rotating cylinder (5) is provided with mounting discs (16) in layers. A fitting groove (17) is provided below the filter mesh cylinder (4). The fitting groove (17) is correspondingly fitted with the mounting disc (16). Positioning blocks (18) are symmetrically provided on the mounting disc (16). A positioning groove (19) is provided on the inner side wall of the fitting groove (17). The fitting groove (17) is correspondingly fitted with the positioning block (18). A fixing magnet (20) is provided on the positioning block (18).
6. The separation device for polysilicon by-products according to claim 1, wherein: One side of the separation box body (1) is provided with a discharge pipe (21), legs (22) are arranged below the separation box body (1), a contraction groove (23) is arranged below the legs (22), and a universal wheel (25) is arranged in the contraction groove (23) through a lifting cylinder (24).