METHOD FOR GRINDING, SEPARATION AND REMOVAL OF HARD-TO-GRIND COMPONENTS OF MIXTURE OF MATERIALS FROM WORKING CHAMBER OF SPIRAL JET MILL Russian patent published in 2020 - IPC B02C19/06 

FIELD: crushing or grinding of various materials.

SUBSTANCE: invention relates to methods for grinding hard-to-master mixture components. Method consists in that hard-to-crumbled components are removed from the working chamber by means of fluid medium through at least one additional outlet branch pipe. Outlet pipe is opened simultaneously with interruption of supply of material to be ground or with displacement from it in time.

EFFECT: method makes it possible to optimize the grinding process by means of faster and effective removal from the grinding chamber of residues collected in it during grinding.

9 cl, 1 dwg