AN AIR-JET MILL FOR FINE AND/OR CRYOGENIC MILLING AND SURFACE TREATMENT OF PREFERABLY HARD, ELASTIC AND/OR THERMOPLASTIC MATERIALS

摘要

air jet mill provided with a pre-grinding chamber and an inner sorter binder for fine grinding (less than 10MU) and cryogenic milling and, in some cases, surface treatment during preferably the crushing of hard materials, elastic and / or thermoplastic. The system consumes little energy, does not contain any moving parts exposed to heavy wear, has a classifier forming part of the grinding chamber and using the energy left after grinding in the system, thus allowing a rigorous calibration of the fine particles.