... economic benefit; 3.wide range of applicable. description Primary machine is mainly used for lean ore enrichment, also called ... as to achieve the goal that raises economic benefits.This machine is optional, lean ore tailings, river sand, sand, ... intensityhandling capacity power mm mt t/h kw primary machine 6150 600 1500 1 150-250 20-40 5 ... 2 150-250 180-200 23 Primary mining magnetic separator Machine