... Even product size 4) Low energy consumption coal ball mill,ball miningGrinding ball mill is mainly used into these areas, such as ... bricks & tiles, coal industry, etc. The grinding mill can grind these materialswhose Moths hardness is below 9 ... mill main include mill,Ultrafine Mill ,vertical mill,raymond mill,hammer mill,ball mill,grinder,etc. ModelSpeed of bucket(r/min)Weightof ballSize offeed opening ...