Working principle and applicable industries of airflow ultrafine pulverizer
The jet mill is a large-scale jet ultrafine pulverizer that uses airflow to carry out superfine pulverization. The jet mill, cyclone separator, dust collector, and induced draft fan constitute a complete pulverization system. The crushing process is to filter and dry compressed air into the crushing cavity through a Laval nozzle. After multiple jets of high-pressure airflow, it will form an intersection. The material is repeatedly collided, rubbed, and sheared at the intersection of the high-pressure airflow. After being cut and crushed, the crushed materials move to the classification area with the upward air flow under the action of the fan suction. Under the strong centrifugal force generated by the rotating classification turbine, the coarse and fine materials are separated, and the fine particles that meet the particle size requirements enter the cyclone through the classification wheel. The separator and the dust collector collect, and the coarse particles that do not meet the particle size requirements drop to the crushing area and continue to be crushed.
The airflow ultrafine pulverizer is more suitable for dry pulverization of various materials with a Mohs hardness of 9 or less, and is especially suitable for the pulverization of materials with high hardness, high purity and high added value. The particle size of the material crushed by the airflow ultrafine pulverizer is adjustable between D50:1~45μm, with good particle shape and narrow particle size distribution. And in the crushing process, there is no medium for low-temperature crushing, which is especially suitable for crushing heat-sensitive, low melting point, sugar-containing and volatile materials. The pulverization process of the airflow ultrafine pulverizer relies on the collision between the materials themselves, which is different from the mechanical pulverization which relies on the impact of blades or hammers on the materials, so the equipment is wear-resistant and the product purity is good.
The airflow superfine pulverization, easy disassembly and washing, smooth inside without dead corners, the pulverization process is airtight, no dust pollution, low noise, and the production process is very clean and environmentally friendly. The control system adopts program control, and the operation is simple.
Airflow ultra-fine pulverizers are widely used in chemical, mining, abrasives, refractory materials, battery materials, metallurgy, building materials, pharmaceuticals, ceramics, food, pesticides, feed, new materials, environmental protection and other industries and the ultra-fine grinding of various dry materials, It has a wide range of applications for breaking up and shaping particles.