NOZZLE, USE OF THE NOZZLE IN A FLUIDIZED BED OPPOSED JET MILL, AND USE OF THE NOZZLE IN THE MILLING OF HARD MATERIALS

摘要

The invention relates to a nozzle, in particular a Laval nozzle (805), for use in a fluidized bed opposed jet mill, wherein the nozzle has a nozzle body made of ceramic material (822) and a fluid passage (833). The invention further relates to the use of the nozzle in a fluidized bed opposed jet mill and to the use of the nozzle in the milling of hard materials.