Research on Beneficiation Technology of Micrograined Iron Ore
Adopting lamination crushing,pre-selection tail,ball milling,tower miling and aid-grinding,ISA milling,dis-persion flocculation stage grinding and stage magnetic separation process,under the conditions of grinding fineness of-8 μm about 85%,micrograined huangshaquan iron ore can get better index of concentrate grade 62.83%,SiO25.21%,TFe recovery 65.70%,MFe recovery 94.78%. Significant improvement in relative grindability after laminated crushing,when the dosage of composite grinding aids is 1 kg/t,the grinding effect can reach at least 10%.
lamination crushingpre-selection tailabsolute grindabilitydissocation degreegrindingdispersing-flocculation magnetic separation