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high weir spiral classifier
A device that uses different settling speeds of solid particles in slurry for classification.
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Advantages and Characteristics
Working principle
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Advantages and Characteristics
An automatic sand return lifting device has been added to the sand return end, and the configuration of the ball mill spoon head has been eliminated;
Each ton of ore can generally save 1-1.5 degrees of electricity;
Avoiding frequent maintenance of the spoon head;
Reduced the uneven impact on the large and small gears of the ball mill.
Working principle
| Process diagram of high weir spiral classifier | The high weir spiral classifier uses a feed inlet located in the middle of the settling zone to feed the finely ground slurry into a water tank. Below the inclined water tank is the slurry grading settling zone, and the spiral rotates at low speed to stir the slurry, causing fine particles to suspend and overflow at the overflow weir. Coarse particles settle to the bottom of the tank and are transported by a screw to the discharge port as return sand for discharge. The position of the overflow weir is higher than the bearing center at the lower end of the spiral shaft and lower than the upper edge of the overflow end spiral. | The high weir overflow weir is higher than the rotation axis of the spiral, but lower than the upper edge of the spiral at the overflow end. This classifier has a lower settling area and a larger weir type, and its weir height can be adjusted within a certain range, that is, the settling area can be adjusted and changed within a certain range, thereby adjusting the particle size of the classification. It is a commonly used equipment in the grinding cycle. | Technical Parameter | type | model | Spiral speed (r/min) | According to the sand return processing capacity (t/d) | According to overflow treatment capacity (t/d) | Spiral diameter (mm) | Spiral length (mm) | Sink slope | Transmission motor model |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Transmission motor power (kW) | Upgrade motor model | 7.7 | Increase motor power (kW) | Weight (kg) | High weir type single helix | 3900 | FLG-300 | 30 ~80 | 2.2 | 10 ~30 | φ300 | 668 |
| 14 ~18 | 8 | Y100L1-4 | hand movement | — | 4390 | FLG-500 | 1600 | |||||
| 145~260 | 7.8 | 21 ~75 | φ500 | Y112M-6 | 5500 | FLG-750 | 3 | 2716 | ||||
| 100~445 | 6.7 | 31~165 | 85 | φ750 | 6556 | Y132S-6 | 5.5 | 4000 | ||||
| FLG-1000 | 473~1026 | φ1000 | 150 | Y132M2-6 | 6500 | FLG-1200 | 5.5 | 5,6,7 | 1.5 | 7943 | ||
| 1145~1600 | φ1200 | Y132M2-6 | 235 | Y90L-4 | 8265 | FLG-1500 | 7.5 | 2.5,4,6 | 2.2 | 11827 | ||
| 1140~2730 | φ1500 | Y160M-6 | 400 | Y100L1-4 | 8700 | FLG-2000 | 3.6,5.5 | 3240~5940 | 3 | 20814 | ||
| φ2000 | 3.6 | 6800 | 580 | Y160L-6/4 | 9130 | 11,15 | 22 | Y100L2-4 | 4 | 24194 | ||
| FLG-2400 | 3.2 | 11625 | 890 | φ2400 | 12500 | Y200L2-6 | 30 | Y112M-4 | 4 | 42188 | ||
| FLG-3000 | φ3000 | Y200L-4 | Y112M-4 | 310 | High weir double helix | 6500 | 2FLG-1200 | 5,6,7 | 2290~3200 | φ1200 | 15840 | |
| Y132M2-6 | 5.5X2 | Y90L1-4 | 460 | 1.5X2 | 8230 | 2FLG-1500 | 2.5,4,6 | 2240~5360 | φ1500 | 22903 | ||
| Y160M-6 | 7.5X2 | Y100L1-4 | 750 | 2.2X2 | 8400 | 2FLG-2000 | 3.6,5.5 | 6400~10800 | φ2000 | 34621 | ||
| Y160L-4 | 3.63 | 13600 | 1160 | 15X2 | 9130 | Y100L2-4 | 3.0X2 | 2FLG-2400 | φ2400 | 42460 | ||
| Y200L2-6 | 3.2 | 23300 | 1785 | 22X2 | 12500 | Y112M-4 | 4X2 | 2FLG-3000 | φ3000 | 73030 | ||
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