• 24 Nov, 2022
• By EPIC Powder
• 2 Comments

What is the difference between the processing method of air flow pulverizer and other equipment? EPIC Powder Machinery

Today, we are going to talk about the processing method of air jet mill. After being filtered and dried, the compressed air of the air flow pulverizer is sprayed into the pulverizing chamber at high speed through Laval nozzle. At the intersection of multiple high-pressure air flows, the materials are crushed by repeated collision, friction and shearing. The crushed materials move to the classification area with the rising air flow under the action of the fan pumping force. Under the strong centrifugal force generated by the high-speed rotating classification turbine, the coarse and fine materials are separated, The fine particles that meet the particle size requirements enter the cyclone separator and dust remover through the grading wheel for collection, and the coarse particles drop to the crushing area for further crushing. The wearing parts of the ultra-fine crusher have low loss. All wearing parts are made of high-quality wear-resistant materials at home and abroad, with a long service life. A small number of easily worn parts are made of hard wear-resistant materials, which are small in size, light in weight and easy to replace accessories. The ultramicro pulverizer is composed of a silo, a mechanical pulverizer, an induced draft fan, a cyclone, a vibrating screen, a liquid nitrogen tank, etc. The cryogenic pulverizer system uses liquid nitrogen as the cold source. After the crushed materials are cooled to become brittle and easy to crush at low temperature, they enter the chamber of the mechanical pulverizer and rotate at high speed through the impeller. Under the combined action of repeated impact, collision, shearing, friction, etc. between materials and blades, toothed discs, materials and materials, Achieve crushing effect

The difference between air flow pulverizer and other pulverizers is that it is crushed by the impact of particles themselves, the impact of air flow on materials, and the impact, friction and shear of materials and other parts under high-speed action. Air flow. Airflow pulverizer uses materials to obtain huge kinetic energy under the action of high-speed airflow. It can lead to high-speed collisions and severe friction between particles in the grinding chamber. At the same time, the high-speed air flow has a shearing effect on the materials to achieve the purpose of crushing materials. It can process raw materials into very fine powder. The application of this technology in chemical industry, plastics, mining, metal materials and other fine processing industries is almost universal, and it occupies a special position in many specific powder fields. Since the advent of air flow pulverizer in the 1930s, its structure has been constantly updated and its types have been increasing through the efforts of many researchers. There are flat plate or disc air flow mills, circulating air flow mills, fluidized bed air flow mills, target air flow mills, etc. Air jet mill has high manufacturing cost, high energy consumption and high processing cost. In the face of serious energy saving problems, the jet mill solves the energy saving problem and will greatly expand the application scope of the jet mill. Considering the current national requirements for energy conservation and environmental protection, energy conservation will be one of the main directions for the improvement of jet mill