Customized Screens Roller Screens for Coal (Implementation standard JB/T 13657-2019) In recent years, XCDRS Roller Screen for Coal has proven to be a robust and effective mechanism. In XCDRS Roller Screens for Coal, the separation surface is formed by geared discs mounted in a staggered configuration on rotating rollers that convey the material, circulating and loosening it. The separated fines...