A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting , For instance rock crushing or grinding to produce uniform aggregate size for construction purposes, , But note that the term 'rod mill' is also used as a synonym for a slitting mill, which makes rods of iron or other metal.
1Anglo American - Desenvolvimento Belo Horizonte - Minas Gerais - Brazil , A Vertimill pilot test campaign was carried out at 's pilot plant facility located in York city, , Key words: Vertimill; Simulation; Grinding; Population Balance Model; , the particle size distribution of the iron ore concentrate to feed the pipeline.
Aug 28, , It did not take long to determine why: ancient Precambrian rock , surface and shipped directly to steel mills with little or no processing , To make it usable, mining companies blast it into small pieces with explosives, grind it into powder with powerful machinery, and then use magnets , Carajás Mine, Brazil.