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Spiral Chute

Spiral Chute

[ Capacity ]: 0.2-8 tph

[ Applicable Material ]:

Spiral chute is a gravity separation equipment of separation different weight mineral by inertial centrifugal force pulp produced in helix turning motion.

Spiral chute has been widely used in the?treatment of iron ore,?tungsten, tin ore, niobium tantalum ore, coastal &?riverside placer and gold ore.

Working principle:

Ore pulps are uniformly fed into machine and form different layers as they pass across chute. Heavy minerals precipitate to bottom and are moved toward inner edge by the comprehensive action of various forces; light minerals are moved toward outer inner due to the speedy rotation. As a result, mineral particles with different density are divided into three zones------concentrate, middling and tailing.


1.Stable and clear mineral separation with large handling capacity;

2.High efficiency with higher concentration ratio and high recovery;

3.High adaptability of the feeding capacity and the variability of concentration, granularity and grade;

4.Easy for installation with small floor space and simple operation;

5.Material quality material quality with features of moisture resistance, rust protection and corrosion resistance;

6.With advantages of non-powered, without moving parts and without noise, etc.

Model 5LL-1500 5LL-1200 5LL-900 5LL-600 5LL-400
Outter dia(mm) 1500 1200 900 600 400
Spiral distance(mm) 540,720 900,720,540 675,540,405 450,360,270 240,180
Spiral distance ratio 0.75,0.6,0.45 0.6,0.45
Gradient (°)
Number of threads 4-2 4-2 4-2 3 2
Feeding size(mm) 0.3-0.02 0.3-0.03 0.3-0.03 0.2-0.02 0.2-0.02
Mine density (%) 25-55
Capacity (t/h) 8-6 4-6 2-3 0.8-1.2 0.15-0.2
Outside diameter(mm) 1560 1360 1060 700 460
Heigh (mm) 5230 5230 4000 2600 1500
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