Summary

The Micron Jet is a highly energy efficient jet mill constructed with a unique impact grinding mechanism. Fluidized bed-type jet mills require a certain amount of materials to be left within the grinding chamber for efficient grinding. This type of grinding mechanism is undesirable for materials with values. The Micron Jet utilizes an impact method, which allows materials to be ground efficiently. Its structure also allows materials to circulate between the grinding and classifying chambers, which eliminates the need for leftover materials. In recent years, this process has been used in grinding systems that reduce oxidization of materials from inert gases, as well as for production of high functional materials such as magnetic materials.

The Micron Jet is a target jet mill with a rotating classifying rotor for precise product size control. The raw material is accelerated by the high pressure jet stream generated from the nozzle located at the bottom of the machine and hits the impact plate, from which the impact causes the particles to be ground. Particles that pass through the impact chamber are then carried to the classifying rotor at the top of the unit and are classified to the required particle size. Fine particles that have been classified by the rotor flow to the product collector, and any coarse particles drop to the bottom portion of the unit where the side ejector effect carries them back to the grinding chamber. Product sizes can be easily adjusted by changing the rotation speed of the classifying rotor. The Micron Jet T type inert gas circulation system consists of a feeder, the Micron Jet T type mill, cyclone, bag filter, and a compressor.