PARTICULATE DISTRIBUTOR AND JET MILL

PROBLEM TO BE SOLVED: To provide a jet mill whose treatment capability can be greatly improved without increasing the installation surface area and a particulate distributor usable for various particulate distribution uses other than the jet mill. SOLUTION: The jet mill comprises a jet mill main body to form a disc-like cavity, a plurality of air nozzles installed in a ring-like outer wall of the jet mill main body for generating high speed air current in the disc-like cavity, and an outlet positioned at approximately the center of the disc-like cavity of the jet mill main body, wherein the jet mill has a configuration in which the jet mill main bodies whose disk-like cavities each forms a ring-like crushing zone for crushing an object to be crushed by the high speed air current supplied from a plurality of the air nozzles are stacked in a plurality of steps, and a particulate distributor having particulate distributing functions in a number corresponding to the number of the stacked jet mills is installed on the top step of the jet mills stacked in the plurality of steps. COPYRIGHT: (C)2007,JPO&INPIT