Equipment for purifying high-quality silicon dioxide from rice hull ash
By using a cylinder-driven connecting block and an eccentric grinding column in conjunction with a transmission disc, along with a motor stirring shaft and a mixing rod, the problem of uneven grinding of rice husk ash was solved, achieving efficient silica purification and improving the uniformity and purity of the product.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU HANFANG TECHNOLOGY CO LTD
- Filing Date
- 2025-05-07
- Publication Date
- 2026-05-08
AI Technical Summary
In existing technologies, the uneven grinding of rice husk ash results in an excessively wide particle size distribution, which fails to meet the uniformity requirements of high-quality silica.
The system employs a cylinder-driven connecting block and an eccentric grinding column in conjunction with a transmission disc to achieve multi-dimensional grinding; a motor drives a stirring shaft and a mixing rod for uniform mixing, and a temperature controller ensures the reaction conditions, forming multiple effects to improve the purification effect.
This process achieves thorough grinding and uniform mixing of rice husk ash, ensuring particle size uniformity and sufficient reaction, thereby improving the purity and quality of silica products.
Smart Images
Figure CN224208012U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of purifying silica from rice husk ash, and in particular to a device for purifying high-quality silica from rice husk ash. Background Technology
[0002] In the industrial sector, the resource utilization of industrial waste is receiving increasing attention. Rice husks, as a major by-product of rice processing, are produced in huge quantities every year. In the past, rice husk ash produced after burning rice husks was mostly discarded as waste, which not only occupied a lot of land but also caused certain environmental pollution. However, rice husk ash is rich in silicon dioxide, and converting it into high-quality silicon dioxide has extremely high economic and environmental value.
[0003] Grinding is a crucial step in purifying silica from rice husk ash. However, grinding is a relatively time-consuming process that can affect the overall purification efficiency. Typically, a crusher is used to initially break down the rice husk ash lumps, and then the crushed material is fed into a grinder. Through continuous collision and friction between the grinding media and the rice husk ash, the particles are gradually refined.
[0004] In existing technologies, it is difficult to achieve a completely uniform initial loading position and movement state of the grinding media. As the grinding process progresses, the activity of the grinding media in some areas may decrease due to aggregation or obstructed movement, resulting in insufficient grinding of rice husk ash in these areas, while other areas may be over-ground. The final result of this uneven grinding is an excessively wide particle size distribution, which fails to meet the stringent requirements for particle size uniformity in high-quality silica. Therefore, a device for purifying high-quality silica from rice husk ash is proposed to solve the above problems. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides a device for purifying high-quality silica from rice husk ash, aiming to improve the problem of uneven grinding in the prior art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a device for purifying high-quality silica from rice husk ash, comprising a shell, a grinding mechanism fixedly connected to the inner side of the shell, a conveying assembly for feeding fixedly connected to the outer side of the shell, a reaction vessel fixedly connected to the outer side of the conveying assembly, a purification mechanism fixedly connected to the top of the reaction vessel, the grinding mechanism comprising a cylinder, the bottom of the cylinder fixedly connected to the inner side of the shell, a rotating assembly for grinding fixedly connected to the inner side of the shell, a connecting block fixedly connected to the driving end of the cylinder, a filtering assembly for filtration provided on the inner side of the connecting block, a grinding plate slidably connected to the outer side of the connecting block, and a connecting hollow column fixedly connected to the top of the grinding plate;
[0007] As a further description of the above technical solution: the purification mechanism includes a motor three, the bottom of which is fixedly connected to the top of the reaction vessel, a stirring shaft is fixedly connected to the drive end of the reaction vessel, and a mixing rod is fixedly connected to the outside of the stirring shaft;
[0008] As a further description of the above technical solution: the rotating assembly includes a motor, the outer side of which is fixedly connected to the inner side of the housing, and the driving end of the motor is fixedly connected to a transmission disc.
[0009] As a further description of the above technical solution: a grinding column is fixedly connected to the bottom eccentric part of the transmission disc, and the top outer side of the grinding column is slidably connected in the arc-shaped groove of the outer shell;
[0010] As a further description of the above technical solution: the filter assembly includes a polishing layer, and the outer side of the polishing layer is fixedly connected to the bottom inner side of the connecting block;
[0011] As a further description of the above technical solution: a buffer layer is fixedly connected to the bottom of the grinding layer, a filter layer is fixedly connected to the bottom of the buffer layer, the top of the grinding layer is slidably connected to the bottom of the grinding plate, and the top of the connecting hollow column is fixedly connected to the inner side of the outer shell directly below the feed pipe.
[0012] As a further description of the above technical solution: the conveying assembly includes a connecting conduit, the outer side of which is fixedly connected to the outer side of the outer shell, the other end of which is fixedly connected to the outer side of the reaction vessel, a protective shell fixedly connected to the middle of the connecting conduit, a second motor fixedly connected to the outer side of the protective shell, and three rotating blades fixedly connected to the output end of the second motor.
[0013] As a further description of the above technical solution: a temperature controller is fixedly connected to the outside of the reactor.
[0014] This utility model has the following beneficial effects:
[0015] 1. In this utility model, the motor drives the transmission disc to rotate the eccentric grinding column, and the grinding column slides in the arc-shaped groove, giving the grinding action a multi-dimensionality. Compared with the traditional single rotary grinding method, it can more fully break the rice husk ash particles and improve the initial grinding efficiency. At the same time, the bottom cylinder drives the connecting block to move up and down, which, together with the outer sliding grinding plate, realizes the dual function of squeezing and grinding the rice husk ash, further refining the material and ensuring that the particles can reach the fineness required for subsequent processing.
[0016] 2. In this utility model, the stirring shaft and mixing rod driven by the motor are used to fully stir the materials, so that the rice husk ash and the reaction reagent are in a highly uniform mixed state for purification reaction, ensuring the fullness and consistency of the reaction, and avoiding uneven local reaction that affects the purity of the product. Attached Figure Description
[0017] Figure 1 This is a three-dimensional schematic diagram of an apparatus for purifying high-quality silica from rice husk ash according to the present invention.
[0018] Figure 2 This is a schematic diagram of the connecting hollow column structure of the equipment for purifying high-quality silica from rice husk ash according to this utility model.
[0019] Figure 3 This is a schematic diagram of the structure of the stirring shaft of an apparatus for purifying high-quality silica from rice husk ash according to this utility model.
[0020] Figure 4 This is a schematic diagram of the rotating blades of a device for purifying high-quality silica from rice husk ash, as proposed in this utility model.
[0021] Legend:
[0022] 1. Outer shell; 2. Motor 1; 3. Transmission disc; 4. Grinding column; 5. Connecting hollow column; 6. Grinding plate; 7. Connecting block; 8. Cylinder; 9. Grinding layer; 10. Buffer layer; 11. Filter layer; 12. Connecting conduit; 13. Rotating blade; 14. Motor 2; 15. Protective shell; 16. Temperature controller; 17. Reactor; 18. Motor 3; 19. Stirring shaft; 20. Mixing rod. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0024] Reference Figure 1 , Figure 2The present invention provides an embodiment of a device for purifying high-quality silica from rice husk ash, comprising an outer shell 1, which protects the internal components from external dust, moisture and other adverse factors to ensure stable operation of the device. The outer shell 1 has a feed inlet on its outer side and a support frame at its bottom. A grinding mechanism is fixedly connected to the inner side of the outer shell 1, and a conveying assembly for feeding is fixedly connected to the outer side of the outer shell 1. A reaction vessel 17 is fixedly connected to the outer side of the conveying assembly. The reaction vessel 17 provides a closed and suitable chemical reaction environment for the material. A purification mechanism is fixedly connected to the top of the reaction vessel 17.
[0025] The grinding mechanism includes a cylinder 8, the bottom of which is fixedly connected to the inside of the outer shell 1. A rotating assembly for grinding is fixedly connected to the inside of the outer shell 1. A connecting block 7 is fixedly connected to the drive end of the cylinder 8. A filter assembly for filtration is provided inside the connecting block 7. The cylinder 8 is used to push the connecting block 7 to move up and down. A grinding plate 6 is slidably connected to the outside of the connecting block 7. The connecting block 7 is used to support the filter assembly inside and the grinding plate 6 outside, and works with other components to complete the grinding and preliminary screening of rice husk ash. It is the key hub in the grinding mechanism. A connecting hollow column 5 is fixedly connected to the top of the grinding plate 6. The connecting hollow column 5 is used to pour the pre-ground rice husk ash into the grinding plate 6. The grinding plate 6 is used to grip and grind the rice husk ash, and will squeeze and grind the rice husk ash on the grinding layer 9 located inside the bottom of the connecting block 7. This complements the rotational grinding of the grinding column 4, ensuring that the material is finely processed in all aspects.
[0026] The rotating assembly includes a motor 2, the outer side of which is fixedly connected to the inner side of the outer casing 1. A transmission disc 3 is fixedly connected to the drive end of the motor 2, which drives the transmission disc 3 to rotate. A grinding column 4 is fixedly connected to the eccentric bottom of the transmission disc 3, which drives the grinding column 4 to rotate. The outer top of the grinding column 4 is slidably connected to an arc-shaped groove in the outer casing 1. The filter assembly includes a grinding layer 9, which uses its rough surface texture to rub against the rice husk ash particles, assisting in material crushing and also initially blocking larger particles. The outer surface of the grinding layer 9... The bottom inner side of the connecting block 7 is fixedly connected to the side. The bottom of the grinding layer 9 is fixedly connected to the buffer layer 10, and the bottom of the buffer layer 10 is fixedly connected to the filter layer 11. The buffer layer 10 is used for its soft and elastic material properties, which can effectively absorb the impact force from the grinding process above and prevent the filter layer 11 below from being damaged by strong grinding impact. The filter layer 11 is used to screen the rice husk ash particles after being processed by the grinding layer 9. The top of the grinding layer 9 is slidably connected to the bottom of the grinding plate 6, and the top of the connecting hollow column 5 is fixedly connected to the inner side of the outer shell 1 directly below the feed pipe.
[0027] Reference Figure 3 , Figure 4The purification mechanism includes a motor 18, the bottom of which is fixedly connected to the top of the reaction vessel 17. A stirring shaft 19 is fixedly connected to the drive end of the reaction vessel 17. The motor 18 is used to rotate in place of the stirring shaft 19. A mixing rod 20 is fixedly connected to the outside of the stirring shaft 19. The mixing rod 20 is used to efficiently remove impurities in rice husk ash under the synergistic effect of chemical reaction and physical stirring.
[0028] The conveying assembly includes a connecting conduit 12, the outer side of which is fixedly connected to the outer side of the outer shell 1, and the other end of which is fixedly connected to the outer side of the reaction vessel 17. The connecting conduit 12 is used to convey the grinding powder from the outer shell 1 to the reaction vessel 17. A protective shell 15 is fixedly connected to the middle of the connecting conduit 12. A second motor 14 is fixedly connected to the outer side of the protective shell 15. The second motor 14 is used to rotate in place of the rotating blades 13. Three rotating blades 13 are fixedly connected to the output end of the second motor 14. A temperature controller 16 is fixedly connected to the outer side of the reaction vessel 17.
[0029] Working principle: Rice husk ash enters through the feed port on the outside of the outer shell 1. The motor 2 drives the transmission disc 3 to rotate, thereby rotating the grinding column 4 fixed at the bottom eccentric part of the transmission disc 3. The grinding column 4 slides in the arc-shaped groove inside the outer shell 1 for preliminary grinding. The ground rice husk ash slides from the pipe inside the outer shell 1 onto the inside of the connecting hollow column 5, slides down along the connecting hollow column 5 and the grinding plate 6, and slides to the top of the grinding layer 9 inside the connecting block 7. At the same time, the cylinder 8 fixed at the bottom inside the outer shell 1 also starts to work. The cylinder 8 drives the connecting block 7 to move up and down. The grinding plate 6 slidably connected to the outside of the connecting block 7 cooperates with its movement to squeeze and grind the rice husk ash placed on the grinding layer 9 at the bottom of the connecting block 7. The buffer layer 10 below can reduce the damage of the grinding impact to the filter layer 11. The filter layer 11 at the bottom, according to the set pore size, screens out rice husk ash particles that have reached a certain fineness, avoids over-grinding, and improves overall efficiency.
[0030] The ground rice husk ash is driven by a motor 14 fixed on the protective shell 15 in the middle of the connecting conduit 12, which drives the rotating blades 13 to rotate. The airflow generated pushes the rice husk ash along the connecting conduit 12 into the equipment, thereby reaching the reaction vessel 17.
[0031] After grinding and preliminary filtration, the fine rice husk ash powder is driven by a motor 18 fixed to the top of the reactor 17, which rotates the stirring shaft 19. A mixing rod 20 fixed to the outside of the stirring shaft 19 thoroughly stirs the material entering the reactor 17, allowing it to undergo a purification reaction under a specific chemical environment. This ensures stable stirring and that impurities in the rice husk ash are effectively removed through a series of chemical reactions and physical stirring. A temperature controller 16 fixed to the outside of the reactor 17 monitors the reaction temperature in real time. If the temperature deviates from the preset range, the heating or cooling system is automatically adjusted to maintain optimal reaction conditions, ultimately yielding a high-quality silica product.
[0032] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An apparatus for purifying high-quality silica from rice husk ash, comprising a housing (1), characterized in that: A grinding mechanism is fixedly connected to the inner side of the outer shell (1), a conveying assembly for feeding is fixedly connected to the outer side of the outer shell (1), a reaction vessel (17) is fixedly connected to the outer side of the conveying assembly, and a purification mechanism is fixedly connected to the top of the reaction vessel (17). The grinding mechanism includes a cylinder (8), the bottom of which is fixedly connected to the inner side of the outer shell (1). A rotating assembly for grinding is fixedly connected to the inner side of the outer shell (1). A connecting block (7) is fixedly connected to the driving end of the cylinder (8). A filter assembly for filtration is provided on the inner side of the connecting block (7). A grinding plate (6) is slidably connected to the outer side of the connecting block (7). A connecting hollow column (5) is fixedly connected to the top of the grinding plate (6).
2. The equipment for purifying high-quality silica from rice husk ash according to claim 1, characterized in that: The purification mechanism includes a motor (18), the bottom of which is fixedly connected to the top of the reaction vessel (17), and a stirring shaft (19) is fixedly connected to the drive end of the reaction vessel (17). A mixing rod (20) is fixedly connected to the outside of the stirring shaft (19).
3. The equipment for purifying high-quality silica from rice husk ash according to claim 1, characterized in that: The rotating assembly includes a motor (2), the outer side of which is fixedly connected to the inner side of the outer casing (1), and the drive end of the motor (2) is fixedly connected to a transmission disc (3).
4. The equipment for purifying high-quality silica from rice husk ash according to claim 3, characterized in that: A grinding column (4) is fixedly connected to the bottom eccentric part of the transmission disc (3), and the top outer side of the grinding column (4) is slidably connected in the arc-shaped groove of the outer shell (1).
5. The equipment for purifying high-quality silica from rice husk ash according to claim 1, characterized in that: The filter assembly includes an abrasive layer (9), the outer side of which is fixedly connected to the bottom inner side of the connecting block (7).
6. The apparatus for purifying high-quality silica from rice husk ash according to claim 5, characterized in that: The bottom of the grinding layer (9) is fixedly connected to a buffer layer (10), the bottom of the buffer layer (10) is fixedly connected to a filter layer (11), the top of the grinding layer (9) is slidably connected to the bottom of the grinding plate (6), and the top of the connecting hollow column (5) is fixedly connected to the inner side of the feed pipe of the outer shell (1) directly below.
7. The equipment for purifying high-quality silica from rice husk ash according to claim 1, characterized in that: The conveying assembly includes a connecting conduit (12), the outer side of which is fixedly connected to the outer side of the outer shell (1), the other end of which is fixedly connected to the outer side of the reactor (17), a protective shell (15) is fixedly connected to the middle of the connecting conduit (12), a second motor (14) is fixedly connected to the outer side of the protective shell (15), and three rotating blades (13) are fixedly connected to the output end of the second motor (14).
8. The equipment for purifying high-quality silica from rice husk ash according to claim 1, characterized in that: A temperature controller (16) is fixedly connected to the outside of the reactor (17).