Energy-Saving Spiral Screw Separator Gravity Separator Spiral Sand Gold Concentration Machine
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Energy-Saving Spiral Screw Separator Gravity Separator Spiral Sand Gold Concentration Machine

2025-05-30 15:56:31

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Spiral separator, is the best equipment in mining and ore dressing industries, which is often applied to sort materials with size 0.3 – 0.02 mm, such as ilmenite, chromite, pyrite, zircon, rutile, monazite,  phosphate, tungsten ore, tin, tantalum, niobium ore and other non-ferrous metals, precious metals and non-metallic minerals.
It can easily adopt to different raw material size, density, ore grade and feed volume. Spiral chute is suitable for treatment of 0.6-0.03mm lode and placer, but high mud content is bad for separation. At present, spiral chute has been widely used in the treatment of iron ore, tungsten, tin ore, niobium tantalum ore, coastal and riverside placer and gold ore.

Screw Separator of Working Principle:
It is working under the the force of water flow, gravity, inertial centrifuge and friction. Slurry is pumped to the top of the spiral , and it enters a feed distributor that evenly distributes the feed to each spiral concentrator. The design and shape of the spiral make it work, when combined with gravitational acceleration. As the slurry travels the spiraling path down the spiral, mineral grains settle and start sorting according to size, density and to a lesser extend shape. Low density particles are carried with the bulk of the water towards the outside of the spiral , while particles with the greatest density migrate towards the inside of the spiral.

Inner surface without riffiles/grooves

For Separate the Fine particles and Slurry ore.

Inner surface with riffles/grooves

is to separator the ore with Coarse particles

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