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SPIRAL GRAVITY SEPARATORS
The Slurry (content 10 - 40% Solids depending on application) is fed into the Spiral from the top. Spread on the spiral bottom, it moves down by gravity. A transverse flow which is directed inwards on the sluice bottom or outside on the slurry surface is superimposed on the main flow. This combination results in a separation of the particles contained in the suspension, depending on their density. Particles with a lower specific gravity, such as wood, coal or organic matter, are concentrated in the outer areas of the flow. Particles with a higher specific gravity are transported towards the spiral axits. Two adjustable splitters on the end of the spiral enable the extraction of three fractons : heavy, middlings and light density products. Applications Depending on the possible uses of Spirals for heavy minerals and Spirals for low density media some of the applicatons are : Separating of Ores and Minerals Coal Processing Decoaling and concentration of heavy mineral sands Soil remediation Processing of Municipal residue
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