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Spiral Chute

[Introduction]: A gravity separation equipment of separating minerals with different weight by the inertial centrifugal force generated in the spiral motion of pulp.

[Capacity]: 0.15~16t/h

[Improvement]: There are 3 kinds of chute for user to choose, glass steel chute, Xinhai wear-resistant rubber liner, polyurethane rubber liner.

Spiral Chute

ADVANTAGES

High efficiency, high recovery and accurate ore separarion, no need of power;

Light weight, rust, wear and corrosion ressistance;

Low operation cost and long service life;

Strong adapability to the variation of feeding quantity, density, particle size and grade.

PRODUCT STRUCTURE

Spiral-Chute

The uniform ore slurry is slowly fed to the spiral groove surface through the ore feeding trough installed at the head end of the spiral trough for sorting. The end of the spiral groove is equipped with a valve block-type product intercepting groove, and the sorted products are divided into three types according to the grade along the radial direction. The position of the regulating valve block is used to change the intercepting width of each product, and the product gathering bucket collects and derives the intercepted multi-head ore streams. The cross section and the slope change of the curve are especially suitable for the selection of fine particle materials.

Spiral chute is suitable for treatment of the 0.6-0.03mm lode and placer, but high mud content is bad for separation. At present, the 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.

TECHNICAL PARAMETERS

Model BLL-2000 BLL-1500 BLL-1200 BLL-900 BLL-600 BLL-400
Outside Diameter (mm) 2000 1500 1200 900 600 400
Screw Pitch (mm) 1200 900, 675 900, 720, 540 675, 540, 405 450, 360, 270 240, 180
Pitch Diameter Ratio 0.6 0.48, 0.36 0.75, 0.6, 0.45 0.75, 0.6, 0.45 0.75, 0.6, 0.45 0.6, 0.45
Lateral Dip Angle (degree)
Max. Screw Numbers Per Set 3 4 4 4 2 2
Feed Size (mm) 2.00~0.04 0.8 ~0.037 0.3~0.03 0.3 ~0.03 0.2~0.02 0.2 ~0.02
Feed Density (%) 30 ~55 30 ~55 25 ~55 25 ~55 25 ~55 25 ~55
Capacity (t/h) 7~10 6~8 4~6 2~3 0.8~1.2 0.15~0.2
Overall
Dimension

Length    (mm)

2120 1600 1360 1060 700 460

Width    (mm)

2120 1600 1360 1060 700 460

Height    (mm)

5600 5300 5230 4000 2600 1500
Weight (kg) 900 850/800 700/650/600 450/400/350 120/100/80 50

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