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The principle and characteristics of the airflow pulverizer
Date: 2024-08-27Read: 10
Airflow pulverization is one of the commonly used ultrafine pulverization methods, widely used in the ultrafine pulverization or fine pulverization of non-metallic minerals, pharmaceuticals, chemical, metallurgical and other industries. It has the characteristics of fine product particle size, narrow particle size distribution, smooth particle surface, regular particle size, high purity, and high activity.
The working principle of the airflow crusher:
After cooling, filtering, and drying, compressed air forms a supersonic airflow through nozzles and is injected into the crushing chamber, making the material fluidized. In the crushing chamber, the accelerated material converges at the intersection of several nozzle jet airflows, producing intense collisions, friction, and shearing to achieve ultrafine particle crushing.
The crushed material is transported to the grading area of the grading wheel by the rising airflow. Under the centrifugal force of the grading wheel and the suction force of the fan, the separation of coarse and fine powder is achieved. The coarse powder returns to the crushing chamber according to its own gravity for further crushing. The qualified fine powder enters the cyclone collector with the airflow, and the fine dust is collected by the bag filter. The purified gas is discharged by the induced draft fan.
The performance characteristics of the airflow crusher mainly include the following:
1. There is a vertical grading device inside, which can adjust the particle size of the product. The crushing particle size is good and the particle size distribution is relatively narrow.
2. It can be used in series with multi-stage classifiers to form multiple particle size segments simultaneously.
3. The equipment is very convenient to disassemble and assemble, and easy to clean. There are no dead corners on the inner wall, so it can be cleaned thoroughly.
4. Operating in a closed state with negative pressure operation is beneficial for low operating noise and reducing dust generation, making it environmentally friendly and pollution-free.
5. The control system is easy to operate and the equipment runs safely and reliably. It can be designed for intelligent control such as one click start stop and real-time operation status monitoring.
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