How do spiral concentrators work?

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 …

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Spiral Chute

The spiral separator/ spiral chute is the earliest mining machine. It has been used to classify the granularity of 0.3-0.02 millimeters fine grain like iron, tin, tungsten, tantalum-niobium, gold ore, coal mine, monazite, rutile, zircon, and other metals.

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Spiral chute

The sand pump delivers the ore sand to the two feed ports at the top of the spiral, and water is added to adjust the slurry concentration. The slurry naturally swirls from high to low, generating …

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