The main metallic minerals of this project were sphalerite, galena, argentite, etc. The main gangue minerals were quartz, calcite and dolomite. The content of Pb, Zn and Ag in raw ore was 2.45%, 8.36% and 150g/t respectively.
When the grinding particle size was -200 mesh (74%), the differential flotation process (zinc inhibition first and lead flotation then) was adopted, in which the lead system adopted one-stage roughing, one-stage scavenging and two-stage concentration.
SF flotation cell is a mechanical agitation type with slurry suction and air suction.
A mechanical agitation type floatation cell unit with air suction and combination of slurry suction/no slurry suction
An air inflation mechanical agitation flotation cell with slurry suction（as suction cell of KYF flotation cell).
An air-inflation mechanical agitation flotation cell without slurry suction (This type of cell is designed referring to Finland Autoquenpu OK flotation cell).
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