Introduction: The spiral concentrator is a modern device that features high capacity at a low cost. It’s designed to concentrate low-grade ore and industrial mineral slurries, using a combination of solid particle density and hydrodynamic dragging. Two or more spirals are built around one main central column, thus increasing the amount of material that can be processed by a single unit.
Spiral concentrators are gravity-based and used to separate low-density granular and sandy (from 18 mesh to 200 mesh—1 mm to 0.0757 μm) materials from higher-density materials.
Spiral concentrators are used in many mineral processing applications. For instance, they’re used to process heavy mineral sand deposits, more specifically deposits containing minerals such as zircon, monazite, and rutile.
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