TUBULAR MILL Russian patent published in 2015 - IPC B02C17/04 

FIELD: process engineering.

SUBSTANCE: invention relates to solid materials crushing means. this mill comprises drum, loading and unloading spindles and drive. Said drum is composed of one and more strips. Said strips are bent in wavy manner at the angle to lengthwise edge flexure lines to make helical surface composed of wavy-shape pockets directed in one side at 10-70 degrees. Pockets shape and sizes over inner surface can differ from those of pockets over drum outer surface and perimeter. Said pockets can differ in shape and sizes.

EFFECT: enhanced performances and higher efficiency.

6 dwg