How About Operational Advantages of Spiral Concentrators

Spiral concentrators can be made with multiple starts (multiple spirals interwound) to save floor space. I have seen up to 3 start spirals, which would essentially give 3 spirals in about the same space that one would take up. Spiral concentrators are normally used in banks of multiple spirals. But do yu konw the Operational Advantages of Spiral Concentrators?

The operating conditions of the spiral concentrator are No wash water required ; Capacity: up to 4.5 stph (4 Mtph) solids depending on application; typical 2 to 2.7 stph for most applications Pulp density: 30 – 50% by mass Size range: max 2 mm, depending on density Pulp volume: max 26 USgpm (6 m3/h). Slurry is pumped to the top of the spiral (typically 13' to 15' from the floor), and it enters a feed distributor that evenly distributes the feed to each spiral concentrator.

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In addition, the operational advantages of the spiral concentrator: The circular, sealed design prevents the inside tracks from being exposed to slurry and solids, reducing the risk of blockage. No parts of the adjustment mechanism are protruding outside the spiral onto the walkway, which reduces the risk of injury or damage. Typical capacities for spirals run from 1-3 tons per hour of feed for minerals and 3-5 tons per hour for coal. Typical construction of a spiral concentrator is fiberglass and urethane to reduce wear from abrasion.

What's more, Metallurgical advantages are as following: The design of the tailings reject port allows independent adjustment of position and orientation of the tailings reject orifice. The design of the inner disk encourages preferential discharge of light particles while misplaced heavy particles...