Superfine silicon powder screening and mixing device
By designing an ultra-fine silicon powder screening and mixing device, using the combination technology of vibration motor and step-up plate, the problem of easy agglomeration of silicon powder mixture is solved, and effective screening and quality improvement is achieved.
Patent Information
- Application Number
- CN202420890118.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-26
AI Technical Summary
During the silicon powder production process, the mixture is prone to agglomeration, resulting in excessive particle size of the finished product and affecting the quality.
An ultrafine silicon powder screening and mixing device is designed, including a mixing tank and a screening tank. A vibration motor is used to drive the screening tank and screening to vibrate. A vibration motor is installed on the outside of the screening tank, and a pressure plate and a lifting mechanism are installed above the screening. The pressure plate presses down and the residual raw material is agglomerated and crushed to facilitate the leakage of the mixing material from the screening.
Effectively screen out the agglomerated raw materials to avoid excessive particle size of the finished product and improve the quality of the finished product.
Smart Images
Figure CN222625301U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of silicon powder production equipment, in particular to an ultra-fine silicon powder screening and mixing device. Background Art
[0002] Silica powder is a widely used raw material, commonly used in the fields of building materials, refractory materials, feed, etc. Ultrafine silica powder refers to silica powder with very small particle size. In actual production, silica powder needs to be mixed with other powdered raw materials. The mixed product is used as a finished product or semi-finished product. There will be some agglomerates in the mixing process. The presence of these agglomerates will affect the quality of the finished product. Therefore, it is particularly necessary to develop an ultrafine silica powder screening and mixing device that can screen out agglomerates and improve the quality of the finished product. Summary of the invention
[0003] The utility model aims to provide an ultra-fine silicon powder screening and mixing device, which has the advantages of being able to screen out agglomerates and improving the quality of finished products.
[0004] The technical solutions adopted are as follows:
[0005] A superfine silicon powder screening and mixing device comprises a frame, wherein a mixing tank and a screening tank are arranged on the frame from top to bottom, a mixing mechanism is arranged in the mixing tank, a feeding pipe is arranged in the mixing tank, the screening tank is connected to the frame by a plurality of spring supports, a feeding port is arranged at the upper end of the screening tank, the feeding pipe is inserted into the feeding port, a plurality of vibration motors are arranged on the outer side of the screening tank, a screen is arranged in the screening tank, and a discharge valve is arranged at the lower end of the screening tank.
[0006] Preferably, a plurality of quantitative feeding mechanisms are arranged on the side of the mixing tank, the quantitative feeding mechanism comprises a silo, the silo comprises a discharge pipe, the discharge pipe is connected to a screw conveyor, and the screw conveyors extend into the mixing tank.
[0007] Preferably, the mixing mechanism comprises a transmission shaft, a plurality of stirring plates are arranged on the side of the transmission shaft, and a driving motor connected to the transmission shaft is arranged at the upper end of the mixing tank.
[0008] Preferably, a pressing plate is arranged above the screen, a lifting mechanism connected to the pressing plate is arranged at the upper end of the screening tank, and the pressing plate is provided with a through hole which is sleeved on the outside of the feeding pipe.
[0009] Preferably, the upper end surface of the screen is provided with a conical block coaxially arranged with the through hole.
[0010] Preferably, a dustproof telescopic tube is sleeved on the outer side of the discharge tube, and the lower end of the dustproof telescopic tube is connected to the feed port.
[0011] Compared with the prior art, the beneficial effects are:
[0012] 1. The utility model uses a mixing tank to mix silicon powder and other powdered raw materials evenly. After the mixing is completed, the powder enters the screening tank from the discharge pipe. The vibration motor drives the screening tank and the screen to vibrate. The screen is used to screen the mixed material and separate the agglomerated raw materials, thereby avoiding excessive particle size of the finished product.
[0013] 2. The utility model utilizes a lifting mechanism to control the descent of the pressing plate, and utilizes the pressing plate to crush the raw material lumps remaining above the screen, so as to facilitate the mixed material to fall through the screen. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the structure of an ultrafine silicon powder screening and mixing device of the utility model.
[0015] Figure 2 yes Figure 1 The structural diagram at A in the middle,
[0016] In the figure: 1. frame, 2. mixing tank, 3. screening tank, 4. silo, 5. discharge pipe, 6. screw conveyor, 7. transmission shaft, 8. stirring plate, 9. driving motor, 10. discharge pipe, 11. dust-proof telescopic pipe, 12. vibration motor, 13. screen, 14. discharge valve, 15. pressure plate, 16. lifting mechanism, 17. spring support, 18. cone block. DETAILED DESCRIPTION
[0017] The present invention will be further described below in conjunction with specific embodiments. Figure 1 to Figure 2 As shown:
[0018] Embodiment 1: An ultrafine silicon powder screening and mixing device comprises a frame 1, wherein the frame 1 is provided with a mixing tank 2 and a screening tank 3 from top to bottom, wherein a mixing mechanism is provided in the mixing tank 2, and the mixing mechanism uniformly mixes the silicon powder and other powdered raw materials put into the mixing tank 2, wherein the mixing tank 2 is provided with a discharge pipe 10, and the discharge pipe 10 is used to discharge the mixed raw materials in the mixing tank 2, and a valve is provided on the discharge pipe 10, and the valve controls the on-off of the discharge pipe 10,
[0019] The screening tank 3 is connected to the frame 1 by a plurality of spring supports 17. The screening tank 3 is elastically connected to the frame 1. A feed port is provided at the upper end of the screening tank 3. A feed pipe 10 is inserted into the feed port, and there is a gap between the feed pipe 10 and the feed port. A plurality of vibration motors 12 are provided on the outer side of the screening tank 3. The vibration motor 12 is a prior art. The vibration motor 12 drives the screening tank 3 to vibrate. A screen 13 is provided in the screening tank 3. The screen 13 screens the mixed material and leaves the agglomerated material with a larger particle size above the screen 13. A discharge valve 14 is provided at the lower end of the screening tank 3. The discharge valve 14 is used to discharge the mixed material in the screening tank 3.
[0020] Embodiment 2: An ultrafine silicon powder screening and mixing device comprises a frame 1, wherein the frame 1 is provided with a mixing tank 2 and a screening tank 3 from top to bottom, wherein a plurality of quantitative feeding mechanisms are provided on the side of the mixing tank 2, wherein the quantitative feeding mechanism comprises a silo 4, wherein the silo 4 comprises a discharge pipe 5, wherein the discharge pipe 5 is connected with a screw conveyor 6, wherein the screw conveyor 6 extends into the mixing tank 2, and wherein the quantitative feeding mechanism uniformly discharges various raw materials into the mixing tank 2.
[0021] A mixing mechanism is provided in the mixing tank 2, and the mixing mechanism includes a transmission shaft 7, and a plurality of stirring plates 8 are provided on the side of the transmission shaft 7. A driving motor 9 connected to the transmission shaft 7 is provided at the upper end of the mixing tank 2. The mixing mechanism uniformly mixes the silicon powder and other powdered raw materials put into the mixing tank 2. The mixing tank 2 is provided with a discharge pipe 10, and the discharge pipe 10 is used to discharge the mixed raw materials in the mixing tank 2. A valve is provided on the discharge pipe 10, and the valve controls the on and off of the discharge pipe 10.
[0022] The screening tank 3 is connected to the frame 1 by a plurality of spring supports 17. The screening tank 3 is elastically connected to the frame 1. A feed port is provided at the upper end of the screening tank 3. A feed pipe 10 is inserted into the feed port, and there is a gap between the feed pipe 10 and the feed port. A dustproof telescopic tube 11 is sleeved on the outer side of the feed pipe 10. The lower end of the dustproof telescopic tube 11 is connected to the feed port to reduce dust from entering the screening tank 3 and prevent dust in the screening tank 3 from overflowing from the gap.
[0023] A plurality of vibration motors 12 are arranged outside the screening tank 3. The vibration motors 12 are prior art. The vibration motors 12 drive the screening tank 3 to vibrate. A screen 13 is arranged inside the screening tank 3. The screen 13 screens the mixed material and leaves the agglomerated material and the mixed material with larger particle size above the screen 13. A discharge valve 14 is arranged at the lower end of the screening tank 3. The discharge valve 14 is used to discharge the mixed material in the screening tank 3.
[0024] A pressing plate 15 is arranged above the screen 13, and a lifting mechanism 16 connected to the pressing plate 15 is arranged at the upper end of the screening tank 3. The pressing plate 15 is provided with a through hole sleeved on the outside of the discharge pipe 10. The lifting mechanism 16 controls the lifting and lowering of the pressing plate 15. The pressing plate 15 presses down to crush the raw material lumps remaining above the screen 13 to facilitate the mixture to fall through the screen 13. The upper end surface of the screen 13 is provided with a conical block 18 coaxially arranged with the through hole, and the conical block 18 guides the mixture to the surface of the screen 13.
[0025] The specific working process is as follows: close the valve on the feed pipe 10, start the mixing mechanism, and each quantitative feed mechanism puts various raw materials into the mixing tank 2 for uniform mixing. After the mixing is completed, start the vibration motor 12, and the vibration motor 12 drives the screening tank 3 to vibrate. Open the valve on the feed pipe 10, and the mixed material in the mixing tank is screened on the screen 13. The mixed material with larger particle size and agglomerates remains above the screen 13. After the screening is completed, the lifting mechanism 16 controls the lifting and lowering of the pressing plate 15. The pressing plate 15 is pressed down to crush the raw material agglomerates remaining above the screen 13 and let them leak through the screen 13, and then open the discharge valve to discharge the mixed material.
[0026] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.
Claims
1. An ultrafine silicon powder screening and mixing device, characterized in that: The utility model comprises a frame, on which a mixing tank and a screening tank are arranged from top to bottom, a mixing mechanism is arranged in the mixing tank, a feeding pipe is arranged in the mixing tank, the screening tank is connected to the frame by a plurality of spring supports, a feeding port is arranged at the upper end of the screening tank, the feeding pipe is inserted into the feeding port, a plurality of vibration motors are arranged on the outer side of the screening tank, a screen is arranged in the screening tank, and a discharge valve is arranged at the lower end of the screening tank.
2. The ultrafine silicon powder screening and mixing device according to claim 1, characterized in that: A plurality of quantitative feeding mechanisms are arranged on the side of the mixing tank. The quantitative feeding mechanism comprises a silo. The silo comprises a discharge pipe. The discharge pipe is connected with a screw conveyor. The screw conveyors extend into the mixing tank.
3. The ultrafine silicon powder screening and mixing device according to claim 1, characterized in that: The mixing mechanism comprises a transmission shaft, a plurality of stirring plates are arranged on the side of the transmission shaft, and a driving motor connected to the transmission shaft is arranged on the upper end of the mixing tank.
4. The ultrafine silicon powder screening and mixing device according to claim 1, characterized in that: A pressing plate is arranged above the screen, a lifting mechanism connected with the pressing plate is arranged at the upper end of the screening tank, and a through hole which is sleeved on the outside of the feeding pipe is opened on the pressing plate.
5. The ultrafine silicon powder screening and mixing device according to claim 4, characterized in that: The upper end surface of the screen is provided with a conical block coaxially arranged with the through hole.
6. The ultrafine silicon powder screening and mixing device according to claim 1, characterized in that: The outer side of the feeding pipe is sleeved with a dustproof telescopic pipe, and the lower end of the dustproof telescopic pipe is connected with the feeding port.