The raw ore was characterized by simple composition. It consisted of metallic minerals (copper pyrite and pyrite) and non-metallic minerals (quartz and chlorite). The multi-element analysis results showed that Cu was the valuable element. The Cu grade of the raw ore was 0.80%.
Crushing and screening: Jaw crusher was adopted for coarse and half-stage crushing, cone crusher for fine crushing and heavy-duty circular vibrating screen for screening. The product size was -12mm.
Grinding and classification: Wet grid ball mill was adopted for grinding, linear vibrating screen for pre-classification and XCⅡ hydrocyclone cluster for classification. The grinding fineness was -200 mesh (68.0%).
Flotation: Lime was used as the regulator, Z200 was used as the collector. The raw ore was ground to -200 mesh (68.4%), XCF/KYF flotation cells were adopted to roughing and twice scavenging, BF flotation cell was adopted to twice concentration.
Concentrate dewatering: Efficient improved thickener was used in the one-stage dewatering stage, press filter was used in the two-stage dewatering stage. Finally, the water content of filter cake contained about 20%.
A medium and fine crushing equipment. The spring is the insurance device that can also influence crushing force.
Linear vibrating screen is a vibrating screen that the screen box makes the reciprocating movement along the directional linear, used for fine screening.
A traditional ball mill with discharging grid
An air inflation mechanical agitation flotation cell with slurry suction（as suction cell of KYF flotation cell).
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