As an important industrial abrasive, brown corundum plays an irreplaceable role in precision grinding, polishing and other fields. With the continuous improvement of modern manufacturing industry’s requirements for precision processing, the production process and equipment of brown corundum powder are also constantly innovating.
The complete brown corundum powder production line mainly includes raw material processing, crushing, grading, packaging and other processes. High-quality raw materials are first coarsely crushed by a jaw crusher, and then medium-crushed by a cone crusher or a roller crusher. In the fine crushing stage, vertical impact crushers or ball mills are usually used to crush the materials to about 300 mesh. The final ultra-fine crushing process requires special equipment such as air flow mills or vibration mills.
Traditional ball mills have the disadvantages of high energy consumption and low efficiency. The new high-efficiency stirred mill adopts a unique agitator design, which improves the grinding efficiency by more than 30%. What is more noteworthy is that the airflow pulverization technology that has emerged in recent years uses high-speed airflow to cause particles to collide and crush each other, avoiding metal contamination, and is particularly suitable for the production of micropowders with high purity requirements. The fluidized bed airflow mill system introduced by a certain enterprise can control the product particle size within the range of D50=2-5μm, and the particle size distribution is more uniform.
2. Refined development of grading equipment
The speed of the turbine classifier has been increased from the early 3000rpm to more than 6000rpm, and the grading accuracy has been significantly improved. The latest horizontal multi-rotor grading system adopts a series design of multiple grading wheels and cooperates with an intelligent control system to achieve more accurate particle size cutting. The ultrasonic assisted grading technology developed by scientific research units uses ultrasonic waves to improve the dispersion of powders and increase the grading efficiency by 25%.
3. Automated control system
Modern production lines generally use PLC control systems to achieve equipment linkage and automatic parameter adjustment. More advanced solutions introduce machine vision technology to monitor the powder particle size distribution online and adjust process parameters in real time through feedback systems.
At present, brown corundum micropowder production equipment is developing in the direction of high efficiency, precision and intelligence. Technological innovation can not only improve product quality and production efficiency, but also promote the sustainable development of the entire industry. In the future, with the continuous emergence of new materials and new processes, brown corundum micropowder production technology will usher in greater breakthroughs. Enterprises should pay close attention to technological development trends, continuously upgrade equipment, improve processes, and maintain technological advantages in market competition.
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