The advantages of spiral concentrator and spiral chute are: 1 simple structure, no moving parts, easy to manufacture equipment, simple maintenance; 2 large production capacity per unit area, small footprint; 3 material zoning is obvious, higher selection index; 4 It has strong adaptability. When the ore supply, ore concentration, ore size and ore grade change, the impact on the selection index is small.
The disadvantage is that the enrichment of the flaky ore is not as high as that of the shaker and the chute, and its own parameters are not easy to adjust to adapt to changes in the ore properties.
The spiral concentrator is suitable for the treatment of alluvial sand deposits, especially for those with high dissociation and flatness of useful mineral monomers. For the residual or sloped sand ore, the recovery rate is low. In addition, for the treatment of ore with higher mud content, the quality of the concentrate will be reduced, so it is required to remove the mud and classify and then enter the spiral concentrator and spiral chute.
Spiral concentrator and the spiral chute used for processing cassiterite, scheelite, iron ore chromium, titanium, iron, zircon and monazite and other minerals, it may also be used to recover heavy mineral flotation tailings. It is generally used as a roughing equipment, and most of the tailings can be discarded to obtain a coarse concentrate.
The particle size range of the spiral concentrator treatment is generally 2~0.05 mm, the maximum is 6 mm, and the effective particle size is 1~0.1 mm.
A spiral chute of the same type as a spiral concentrator is suitable for processing fine materials and is successfully used to treat extreme lean iron ore. Tests have shown that the effective recovery particle size of the spiral chute is limited to 20 microns.
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