Product Introduction:Spiral chute is a re-election device for the light and heavy mineral separation using the inertial centrifugal force generated by the slurry in the spiral rotary motion
Application:The beneficiation spiral chute is mainly used to select fine iron, tin, tungsten, tantalum, niobium, gold ore, chrome ore and other metals and non-metallic minerals with sufficient specific gravity difference.
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High efficiency, high recovery rate, accurate ore separation; Light weight, rust-proof, wear-resistant, corrosion-resistant; Small footprint, low water consumption, simple structure, no power required; Low operating cost, long service life; The concentration, particle size, and grade fluctuations are highly adaptable; the friction formed by the surface of the corundum makes the beneficiation better than other plastic surfaces.
The uniform slurry is slowly fed to the spiral groove surface through the feeding groove installed at the head end of the spiral groove 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 in the radial direction. The position of the regulating valve block is used to change the cutting width of each product, and the product collecting hopper collects and exports the intercepted multi-head ore streams.
| Model | BLL-2000 | BLL-1500 | BLL-1200 | BLL-900 | BLL-600 | BLL-400 | |||
| Spiral outer diameter (mm) | 2000 | 1500 | 1200 | 900 | 600 | 400 | |||
| Pitch (mm) | 1200 | 720, 540 | 900, 720, 540 | 675, 540, 405 | 450, 360, 270 | 240, 180 | |||
| Distance to diameter ratio (pitch/diameter) | 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 | |||
| Transverse inclination (°) | 9° | 9° | 9° | 9° | 9° | 9° | |||
| Number of installed spiral heads | 3 | 4 | 4 | 4 | 2 | 2 | |||
| Feeding particle 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 concentration (%) | 30-55 | 30-55 | 25-55 | 25-55 | 25-55 | 25-55 | |||
| Production capacity (t/h) | 7-10 | 6-8 | 4-6 | 2-3 | 0.8-1.2 | 0.15-0.2 | |||
| Dimensions | 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 | |||
