Patent ID: 11925942
Assignee: METSO OUTOTEC USA INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. A roller crusher having two parallel rollers arranged to rotate in opposite directions, towards each other, and separated by a gap, each roller having two ends, the roller crusher comprising:
a flange attached to at least one of the ends of one of the rollers,
the flange extending in a radial direction of the roller,
the flange having a height (H) above an outer surface of the roller, wherein the roller crusher further comprises at least one mechanical scraper and a remote material removal device configured to output a material removing beam towards a target area, wherein the at least one mechanical scraper and the remote material removal device are arranged consecutive to each other at an end of the roller with the flange for at least partially removing material accumulated on the flange and/or on the outer surface at the end of the roller.