Lead-zinc ore slime cleaning and beneficiation equipment

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screw sand water separator

The cross section of the spiral concentrator is mostly 1/4 of an ellipse, suitable for sorting mineral particles of 2 to 0.07 mm; the cross section of the spiral chute is cubic parabolic, suitable for sorting ore particles of 0.3 to 0.02 mm. The spiral concentrator and spiral chute have low investment in infrastructure, low energy consumption, simple and reliable equipment, easy operation, high enrichment ratio, and can obtain a variety of products. But the ore must be fed evenly.

Compared with other mineral processing methods, gravity separation has the advantages of large processing capacity, wide particle size range, simple equipment structure, no consumption of precious production materials, low operating costs, and no pollution. Therefore, it is widely used in the mineral processing of tungsten and tin ores. . It is also widely used in the separation of ferrous metals (iron, manganese, chromium), rare metals (tantalum, niobium, thorium, zirconium, titanium, etc.) and precious metal ores.

Gravity separation is also the main mineral processing method for coal. Gravity separation is also used to separate coal-based pyrite, apatite, diamond, asbestos and other non-metallic minerals. For those non-ferrous metal (copper, lead, zinc, etc.) ores that are mainly treated by flotation, heavy media beneficiation can also be used to remove coarse-grained gangue or surrounding rock in advance to achieve preliminary enrichment. Gravimetric classification, dehydration and other operations are indispensable in almost all mineral processing plants.

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