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Spiral chute


Spiral chute is applicable to material separation of size 0.3 - 0.02 mm, such as of Iron ore, Ilmenite, Chromite, Pyrite, Zircon and Rutile, Monazite, Tungsten ore, Tin, Tantalum ore, Niobium mine and other non-ferrous metals, precious metals and non-metallic minerals, which with proportion differences. Spiral chute is gravity concentrators and separate minerals of different specific gravity according to their relative movement in response to gravity, centrifugal force and other forces in the fluid medium. Spiral Chute is made up of feeder, feed chute, spiral flute, bracket, intercepting slot, and supporting frame, etc.

 

Spiral chute Application:

Spiral chute is applicable to material separation of size 0.3 - 0.02 mm, such as of Iron ore, Ilmenite, Chromite, Pyrite, Zircon and Rutile, Monazite, Tungsten ore, Tin, Tantalum ore, Niobium mine and other non-ferrous metals, precious metals and non-metallic minerals, which with proportion differences.
Spiral chute is gravity concentrators and separate minerals of different specific gravity according to their relative movement in response to gravity, centrifugal force and other forces in the fluid medium.
Spiral Chute is made up of feeder, feed chute, spiral flute, bracket, intercepting slot, and supporting frame, etc.

Spiral chute Working Principle :

In order to have a good separation, there should be a difference in Specific Gravitys of at least 1.0. One main benefit of spiral concentrators is they have no moving parts. The feed range, in percent solids, to a spiral ranges from 20% solids up to 40% solids. Depending upon the material characteristics, a maximum efficiency will usually be reached somewhere in this range. All that is required are some slurry pumps, the slurry to be separated and the banks of spirals with a feed distributor.
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. 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 (perimeter), while particles with the greatest density migrate towards the inside of the spiral.

Spiral chute Feature:

1.Reasonable structure and small occupation area
2.High recovery, high efficiency, and precise separation,
3.Light in weight, rust and corrosion resistant;
4.Simple installation and Minimal maintenance requirements
5.Low operating cost and long operating life
6.Reliable running with minimal operator attention.

Technical data:


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