Classifier(Classifiers): For an optimum system, classifier is essential to realize the maximum amount of product that is recovered from the machine at the required size.
Spiral separator(Screw classifier): Spiral separators of the wet type, also called spiral concentrators, are devices to separate solid components in the slurry based on the combination of the solid particle density as well as the particle's hydrodynamic properties (e.g. drag).
As for the typical spiral separator, in order to achieve the good separation, the density difference between the heavy minerals and the light minerals in the feedstock should be at least 1 g/cm3; because the separation depends on the size and density, spiral separators are most effective at purifying ore if its particles have the uniform size and shape. A spiral separator may process a couple tons of ores per hour.
Spiral Classifier: It is widely used for classifying all kinds of minerals according to the particle size in the mineral processing flow and it is also applicable for desliming and dehydration in the mineral washing work. Generally, classifier forms a closed process flow with ball mill. The classifier has the advantages of scientific structure, reliable working stability and convenient operation, etc.
China spiral classifier :Hongxing is the specialized manufacturer of innovative spiral classifier in China and we have produced high quality equipment with preferential price.
We could design & make various type of ore spiral classifiers. We hope to achieve mutual benefit with you.
Working Theory of Spiral Classifier
The spiral classifier depends on different deposition speed of solid particle due to their size difference and weight difference. Thin mineral particle can float in the water and flow out and the coarse mineral particle will deposit into the bottom of the cell, which is pushed up by screw and discharged. Classifier is a kind of mechanical classifying equipment. Classifier can filtrate the powdery materials ground by ball mill, transport the coarse materials into the machine with screw and discharge the filtrated fine materials through overflow pipe.
| Model | Spiral diameter (mm) | Spiral rotation speed (r/min) | Trough length (mm<=) | Motor power(kw<=) | Dimensions(mm<=) | Weight (t) | |||
| For driving | For lifting | Length | Width | Height | <= | ||||
| FG-3 | 300 | 12-30 | 3000 | 1.1 | ---- | 3850 | 490 | 1140 | 0.7 |
| FG-5 | 500 | 8-12.5 | 4500 | 1.1 | ---- | 5430 | 680 | 1480 | 1.9 |
| FG-7 | 750 | 6-10 | 5500 | 3 | ---- | 6720 | 980 | 1820 | 3.1 |
| FG-10 | 1000 | 5-8 | 6500 | 5.5 | ---- | 7590 | 1240 | 2380 | 4.9 |
| FC-10 | 8400 | 7.5 | 9600 | 1240 | 2680 | 6.2 | |||
| FG-12 | 1200 | 4-6 | 6500 | 7.5 | 2.2 | 8180 | 1570 | 3110 | 8.5 |
| FC-12 | 8400 | 7.5 | 2.2 | 10370 | 1540 | 3920 | 11.0 | ||
| 2FG-12 | 6500 | 15 | 4.4 | 8230 | 2790 | 3110 | 15.8 | ||
| 2Fc-12 | 8400 | 15 | 4.4 | 10370 | 2790 | 3920 | 17.6 | ||
| FG-15 | 1500 | 4-6 | 8300 | 7.5 | 2.2 | 10410 | 1880 | 4080 | 12.5 |
| FC-15 | 10500 | 7.5 | 2.2 | 12670 | 1820 | 4890 | 16.8 | ||
| 2FG-15 | 8300 | 15 | 4.4 | 10410 | 3390 | 4080 | 22.1 | ||
| 2FC-15 | 10500 | 15 | 4.4 | 12670 | 3370 | 4890 | 30.7 | ||
| FG-20 | 2000 | 3.6-5.5 | 8400 | 11-15 | 3 | 10790 | 2530 | 4490 | 20.5 |
| FC-20 | 12900 | 11-15 | 3 | 15610 | 2530 | 5340 | 28.5 | ||
| 2FG-20 | 8400 | 22-30 | 6 | 11000 | 4600 | 4490 | 35.5 | ||
| 2FC-20 | 12900 | 22-30 | 6 | 15760 | 4600 | 5640 | 48.7 | ||
| FG-24 | 2400 | 3.67 | 9130 | 15 | 3 | 11650 | 2910 | 4970 | 26.8 |
| FC-24 | 14130 | 18.5 | 4 | 16580 | 2930 | 7190 | 41.0 | ||
| 2FG-24 | 9130 | 30 | 6 | 12710 | 5430 | 5690 | 45.8 | ||
| 2FC-24 | 14130 | 37 | 8 | 17710 | 5430 | 8000 | 67.9 | ||
| 2FG-30 | 3000 | 3.2 | 12500 | 40 | 8 | 16020 | 6640 | 6350 | 73.0 |
| 2FC-30 | 14300 | --- | --- | 17091 | --- | 8680 | 84.8 | ||
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