Jet mill with integrated dynamic sifter

摘要

Jet mill has a dynamic sifter (55) containing a dimension wheel (45) and dimension zone (4) which contains separate conveying section (3) and separate coarse material return (6) in grinding area (2). Product entry (1) and fine material outlet (5) are integrated. Grinding material (54) is classified by dynamic sifter and grinding material is introduced in the product entry and afterwards material is ground and is obtained as fine material at the fine material outlet. An independent claim is also included for the method for grinding.