DEVICE FOR REMOVING FOREIGN MATTER FROM ROLLER SURFACE, METHOD FOR REMOVING FOREIGN MATTER FROM ROLLER SURFACE, AND METHOD FOR MANUFACTURING STEEL STRIP

摘要

This device for removing foreign matter from a roller surface comprises: a blast processing unit that comprises a spray unit and a recovery unit, said spray unit spraying a projectile material at the surface of a roller that conveys a steel strip inside a heating furnace, and said recovery unit recovering the projectile material; and a pressing unit that presses the blast processing unit toward the surface of the roller.