Shanghai Clirik Machinery Co., Ltd.
Table of Contents
A Bauxite Powder Enhanced Roller Grinding Mill is a specialized piece of industrial equipment designed for the fine grinding and processing of bauxite, a primary ore of aluminum.
1. High Efficiency and Energy Saving
The Bauxite powder enhanced roller grinding mill is designed to provide high efficiency in the grinding process, often reducing energy consumption compared to traditional ball mills. The system typically includes a dynamic separator that ensures fine product quality.
2. Enhanced Roller Technology
The rollers in these mills are made from high-strength materials to withstand the abrasive nature of bauxite. They are designed to exert a significant amount of pressure on the material, which is ground between the rollers and the grinding table.
3. Adjustable Fineness
The Bauxite powder enhanced roller grinding mill allows for the adjustment of the fineness of the bauxite powder. This is crucial for applications requiring specific particle sizes, such as in the aluminum production process where the quality of the powder can directly influence the efficiency of aluminum extraction.
4. Reduced Wear and Tear
Due to the abrasive nature of bauxite, the Bauxite powder enhanced roller grinding mill is equipped with wear-resistant parts. Components like the grinding table, rollers, and liners are made of materials that can endure the wear caused by bauxite’s high hardness.
5. Environmentally Friendly
Modern roller grinding mills come equipped with dust collection systems and other features that minimize the environmental impact of the grinding process, such as reduced noise levels and lower emissions.
6. Automation and Control
Advanced control systems are often integrated into the mill, allowing for real-time monitoring and adjustments. This ensures optimal performance and consistent product quality, with minimal operator intervention.
7. Compact Design
These Bauxite powder enhanced roller grinding mill is often more compact compared to traditional milling systems, which saves on installation space and can be more easily integrated into existing production lines.
The Bauxite Powder Enhanced Roller Grinding Mill is primarily used to process bauxite into fine powder, which has a wide range of industrial applications. Here are the key areas where the processed bauxite powder is utilized:
1. Aluminum Production
Alumina Refining: Bauxite powder is the primary raw material used in the Bayer process, where it is refined into alumina (Al2O3). Alumina is then used in the Hall-Héroult process to produce aluminum metal. The fine and uniform powder produced by enhanced roller grinding mills ensures efficient extraction and high purity of alumina.
2. Refractory Materials
High-Temperature Applications: Bauxite powder is used in the production of refractory bricks and materials that can withstand high temperatures. These materials are essential in industries like steelmaking, cement production, and glass manufacturing. The fine grinding provided by the mill enhances the thermal resistance properties of these materials.
3. Ceramics
Advanced Ceramics: In the ceramics industry, bauxite powder is used to produce various types of advanced ceramics, including those used in electrical insulators, spark plugs, and other high-performance applications. The fine particle size achieved through roller grinding ensures that the ceramic products have the desired density and strength.
4. Abrasives
Abrasive Products: Bauxite powder is a key ingredient in the manufacture of various abrasive materials, including grinding wheels, sandpapers, and cutting tools. The enhanced roller grinding mill ensures that the powder has the necessary hardness and grain size to produce high-quality abrasives.
5. Cement Industry
Aluminous Cements: Bauxite powder is used in the production of aluminous cements, which are known for their rapid setting times and resistance to chemical attack. These cements are particularly useful in the construction of structures exposed to harsh environmental conditions.
6. Environmental Applications
Water Treatment: Fine bauxite powder is used in water treatment processes as a coagulant to remove impurities. The uniformity and fineness of the powder, achieved through the roller grinding process, enhance its effectiveness in water purification.
7. Automotive and Aerospace
Lightweight Composites: In the automotive and aerospace industries, bauxite powder is used in the production of lightweight composite materials that require high strength and low weight. The fine grinding ensures that the powder is evenly distributed in the composite matrix, improving the material’s properties.
8. Paints and Coatings
Pigments and Fillers: Bauxite powder is also used as a pigment and filler in the production of paints and coatings. The fine and consistent particle size produced by the grinding mill enhances the opacity, texture, and durability of the coatings.
9. Proppants in Hydraulic Fracturing
Oil and Gas Industry: Bauxite powder is used to create proppants, which are used in hydraulic fracturing (fracking) to keep fractures in the rock open, allowing oil or gas to flow out. The strength and sphericity of the proppants are improved by the fine grinding process.
| Model | Roller | Ring | Main Shaft Speed (r/min) |
Feeding Size (mm) |
Finished Size (mesh) |
Motor (kw) |
Capacity (t/h) |
||
| Quantity (piece) |
Size (mm) |
External Dia (mm) |
Height (mm) |
||||||
| CLRM9720 | 3-4 | 320*200 | 1077 | 200 | 145 | <20 | 80-500 | 45*15*37 | 1-7 |
| CLRM1280 | 3 | 370*2*40 | 1280 | 240 | 125 | <20 | 80-400 | 75*15*55 | 2-12 |
| CLRM1300 | 4 | 410*2*80 | 1390 | 280 | 112 | <20 | 80-400 | 110*22*90 | 3-15 |
| CLRM1620 | 4 | 450*300 | 1620 | 300 | 102 | ><20 | 80-400 | 160*30*132 | 5-20 |
| CLRM1700 A | 4 | 510*300 | 1700 | 300 | 102 | <30 | 80-325 | 185*37*160 | 6-25 |
| CLRM1720 | 4 | 510*300 | 1850 | 300 | 92 | <35 | 80-325 | 250*45*185 | 6-25 |
| CLRM1900 A | 4 | 600*300 | 1900 | 300 | 92 | <35 | 80-325 | 250*45*220 | 8-32 |
| CLRM2150 | 4 | 600*300 | 2150 | 300 | 85 | <35 | 80-325 | 315*45*280 | 12-35 |
Bauxite powder processing using an Bauxite Powder enhanced roller grinding mill involves several key steps to produce high-quality, fine bauxite powder suitable for various industrial applications. The enhanced roller grinding mill is designed to handle the abrasive and hard characteristics of bauxite, ensuring efficient and consistent grinding. Here’s an overview of the process:
1. Crushing and Pre-Grinding
(1) Initial Crushing: The raw bauxite ore is first crushed using jaw crushers or hammer crushers to reduce the size of the ore to a manageable level, typically to particles less than 40mm.
(2) Pre-Grinding: Depending on the mill design, the crushed bauxite may undergo a pre-grinding process in a ball mill or another preliminary grinding device. This helps reduce the load on the main grinding equipment.
2. Feeding
The pre-ground bauxite is fed into the Bauxite Powder enhanced roller grinding mill through a controlled feeding system, ensuring a steady and uniform feed rate. This is crucial for maintaining consistent grinding quality.
3. Grinding
(1) Main Grinding: Inside the Bauxite Powder enhanced roller grinding mill, the bauxite is subjected to intense pressure from high-pressure grinding rollers. The rollers apply pressure against the material bed, crushing and grinding the bauxite into fine powder.
(2) Layered Grinding: The rollers operate in a manner that creates multiple layers of material between them and the grinding table, enhancing the grinding efficiency by utilizing the pressure more effectively.
(3) Classification: As the material is ground, a classifier integrated into the mill separates the fine bauxite powder from coarser particles. The fine powder is carried away by an air stream, while the coarser material is returned to the grinding zone for further processing.
4. Product Collection
(1) Cyclone Separator: The fine bauxite powder is collected in a cyclone separator, where it is separated from the air stream.
(2) Dust Collection: Any remaining fine particles in the air stream are captured by a dust collection system, ensuring minimal environmental impact and product loss.
5. Final Product
The collected bauxite powder is stored in silos or directly packaged for shipment. The final product typically has a particle size ranging from 80 to 600 mesh, depending on the specific requirements of the application.
6.Quality Control
Throughout the process, various quality control measures are implemented to ensure that the bauxite powder meets the required specifications. This includes monitoring particle size distribution, chemical composition, and moisture content.
7. Energy Efficiency
Bauxite Powder Enhanced roller grinding mills are designed to be energy-efficient, using lower energy consumption compared to traditional mills while achieving high output and fine particle sizes.
8. Maintenance and Operation
Regular maintenance of the rollers, grinding table, and other components is essential for the smooth operation of the mill. Operators monitor the system to ensure optimal performance and make adjustments as necessary.
This process ensures that bauxite is efficiently ground into a fine powder that can be used in various industrial applications, such as in the production of aluminum, refractories, and other materials.
Bauxite Powder Enhanced Roller Grinding Mill is commonly used for fine and ultra-fine grinding of bauxite. Maintenance is crucial to ensure efficient operation and extend the service life of the equipment. Below is a brief introduction to the maintenance work:
1. Daily Inspections
(1) Lubrication System: Regularly check the oil level and quality of the lubrication system to ensure it is functioning properly. Insufficient or degraded lubricant can lead to bearing wear or failure.
(2) Rollers and Grinding Discs: Inspect the wear condition of the rollers and grinding discs to ensure that there is no significant damage or wear on the surfaces. Replace them promptly if they are severely worn.
Transmission System: Check whether the belts and gears in the transmission system are loose or damaged. Any issues with the transmission system will directly affect the efficiency of the Bauxite Powder Enhanced Roller Grinding Mill.
2. Regular Maintenance
(1) Replacing Worn Parts: The rollers and liners of the mill are consumable parts that need to be replaced regularly to ensure the normal operation of the equipment and the uniformity of the product.
(2) Calibration: Periodically calibrate the equipment to ensure that the pressure and gap settings of the rollers are within the correct range. This can improve the grinding efficiency and product quality of the Bauxite Powder Enhanced Roller Grinding Mill.
(3) Cleaning the Equipment: Regularly remove dust and debris from inside the equipment, especially from key components such as the rollers, grinding discs, and screens, to prevent blockages and wear.
3. Troubleshooting
(1) Temperature Monitoring: Continuously monitor the operating temperature of the equipment. Excessive temperature could indicate overloading or poor lubrication, and the machine should be stopped immediately for inspection.
(2) Vibration Analysis: Abnormal vibrations during operation may indicate wear or looseness in internal components, which should be inspected and repaired promptly.
(3) Emergency Shutdown: If severe fault symptoms (such as a sudden increase in noise or severe vibration) are detected, the machine should be shut down immediately, and a professional technician should be contacted for repairs.
4. Operator Training
(1) Operating Procedures: Ensure that operators are familiar with the operating procedures and safety precautions of the equipment to avoid damage or accidents due to improper operation.
(2) Basic Maintenance Knowledge: Train operators to acquire basic maintenance skills, enabling them to conduct daily inspections and maintenance, thus reducing the failure rate of the equipment.
By strictly implementing the above maintenance measures, you can effectively increase the service life and production efficiency of the Bauxite Powder Enhanced roller grinding mills while reducing equipment failures and downtime.
The CLIRIK Bauxite Powder Enhanced Roller Grinding Mill offers several advantages, making it an efficient and reliable choice for producing fine and ultra-fine bauxite powder. Below are some of the key benefits:
1.High Grinding Efficiency
(1) Optimized Design: The mill’s roller and grinding disc are designed to maximize the grinding surface area, which enhances the efficiency of the material grinding process.
(2) High Pressure: The enhanced roller system applies high pressure to the bauxite particles, ensuring thorough grinding and producing fine, consistent powder.
2. Energy Efficiency
(1) Low Energy Consumption: The advanced grinding technology and efficient design lead to lower energy consumption compared to traditional mills, reducing operational costs.
(2) Efficient Energy Utilization: The Bauxite Powder Enhanced Roller Grinding Mill is designed to convert a high percentage of input energy into grinding power, minimizing waste.
3. Uniform Particle Size Distribution
(1) Precision Grinding: The Bauxite Powder Enhanced Roller Grinding Mill can produce a uniform particle size distribution, which is crucial for applications requiring consistent quality.
(2) Adjustable Fineness: The fineness of the bauxite powder can be easily adjusted, allowing the production of powders with specific characteristics to meet different industry requirements.
4. Durability and Low Maintenance
(1) Robust Construction: Built with high-quality materials, the CLIRIK Bauxite Powder Enhanced Roller Grinding Mill is durable and can withstand the rigors of continuous operation.
(2) Reduced Wear: The design minimizes wear on critical components, leading to less frequent maintenance and longer equipment life.
(3) Easy Maintenance: The Bauxite Powder Enhanced Roller Grinding Mill is designed for easy access to components, simplifying routine maintenance and reducing downtime.
5. Environmental Friendliness
(1) Dust Control: The Bauxite Powder Enhanced Roller Grinding Mill is equipped with effective dust collection systems, reducing the release of fine particles into the environment and ensuring a cleaner working area.
(2) Low Noise Levels: The Bauxite Powder Enhanced Roller Grinding Mill operates with low noise levels, contributing to a better working environment and compliance with noise regulations.
6. Versatility
(1) Wide Range of Applications: The enhanced roller grinding mill is versatile and can be used for various types of bauxite and other materials, making it suitable for multiple industries, including ceramics, metallurgy, and construction.
(2) Customizable Design: The Bauxite Powder Enhanced Roller Grinding Mill can be customized to meet specific production needs, including capacity, particle size, and material properties.
7. Stable and Continuous Operation
(1) High Reliability: The mill is designed for stable and continuous operation, ensuring consistent output without frequent interruptions.
(2) Advanced Control Systems: Equipped with advanced control systems, the Bauxite Powder Enhanced Roller Grinding Mill ensures precise control over the grinding process, improving overall production efficiency.
Bauxite powder enhanced roller grinding mill
Processing ability: 1-35 t/h
Fineness: 80-500 mesh
Max feeding size: 35 mm
Range of application: Bauxite, calcium carbonate, limestone, gypsum, graphite, bentonite, talc, rock phosphate, coal …
These advantages make the CLIRIK Bauxite Powder Enhanced Roller Grinding Mill an excellent choice for producing high-quality bauxite powder efficiently and reliably.