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    Spiral Classifier

    Skype : deye007 deye007
    E-Mail : sales@hndingli.com
    Service hotline : 0086-371-56665326
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    Introduction to spiral classifier
    Spiral classifier is one of the beneficiation equipment. It is a kind of equipment for mechanical classification based on the principle that the specific gravity of solid particles is different, so the precipitation speed in liquid is different. Spiral classifier is used to deal with alluvial placer, especially for those with high dissociation degree and flat shape of useful mineral monomers. Spiral classifier is called classifier for short. There are mainly four kinds of classifiers: high weir single screw and double screw, submerged single screw and double screw.
    Performance characteristics of spiral classifier
    The classifier is widely used in the concentrator and ball mill to form a closed-circuit circulation process and separate ore sand, or in the gravity concentrator to classify ore sand and fine mud, as well as the particle size classification of ore slurry in the metal beneficiation process, as well as desliming and dehydration in ore washing operation. The classifier has the characteristics of simple structure, reliable operation and convenient operation.
    Working principle of spiral classifier
    When the machine works, the classifier is based on the principle that the size and specific gravity of solid particles are different, so the settling speed in liquid is different. Fine ore particles float in water and overflow, and coarse ore particles sink at the bottom of the tank. It is a classification equipment for mechanical classification by pushing the screw to the upper part for discharge. It can filter the material powder milled in the mill, then screw the coarse material into the feed inlet of the mill by using the screw plate, and discharge the filtered fine material from the overflow pipe. The base of the machine is made of channel steel and the body is welded with steel plate. The inlet head and shaft head of the spiral shaft adopt pig iron sleeve, which is wear-resistant and durable. The lifting device is divided into electric and manual.

    Technical specificatin of spiral classifier
    Model FG3 FG5 FG7 FG10 FG12 FG15 FG20 2FG12 2FG15
    Spiral diameter (mm) 300 500 750 1000 1200 1500 2000 1200 1500
    Spiral rotating speed (r/min) 8.3-2.2 8.5-15.5 2.4-9.9 1.6-7.4 5.6 2.5-6 (3.6)5.5 5.6 2.5-6
    Capacity (t/d) Return sand 35-105 145-260 100-445 160-700 1145-1370 1120-2680 (3240)5940 2290-2740 2240-5360
    overflow 10-30 45-77 31-165 50-260 150 230 400 300 460
    motor model Y90L-6 Y90L-6 Y132S-6 Y132M2-6 Y132M2-6
    Power (kw) 1.1 1.1 3 5.5 5.5
    Qty 1 1 1 1 1
    dimensions l 3844 5480 6720 8004 7979 10196 10590 8520 10270
    w 645 940 1275 1570 1700 1976 4634 2760 3490
    h 835 1274 1584 1934 3087 4080 4491 3087 4080
    weight machine 668 1620 2683 4200 7710 11283 19930 10936 22093
    Motor 27 27 65 84 110 180 200 220 240
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