Roller mill for crushing brittle materials e.g. limestone, has spur gear and motor that are coupled with grinding rollers through drive shaft

摘要

The roller mill has grinding rollers (1,2) formed with a grinding gap (3). A spur gear (12) and a motor (11) are coupled with the grinding rollers through a drive shaft (13) such as propeller shaft. The diameter of the grinding roll is 3.5-4 m.