... size 4) Low energy consumption coal ball mill,ball miningGrinding ball mill is mainly used into these areas, such ... thermal power, bricks & tiles, coal industry, etc. The grinding mill can grind these materialswhose Moths hardness is below 9 class ... , glass, etc.The ZT grinding mill main include mill,Ultrafine Mill ,vertical mill,raymond mill,hammer mill,ball mill,grinder,etc. ModelSpeed of bucket(r ...