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    Ore Dressing

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    Spiral classifier


    Spiral classifier introduction:

    Our spiral classifiers are widely used in the distribution of ore in closed circuits with ball mills, grading ore and fine slit in gravity mills, grading granularity and flow of metal ore-dressing, and de-sliming and dehydrating in washing. Advantages are simple structure, reliable working condition and convenient operation.

    Spiral classifier working principle:

    According to the principle that different grains are with different specific gravity and sedimentation rate in the liquid, the fine ore flows in the water and the coarse ore sinks in the bottom. The classifier that has machine grading by discharging from the top can filtrate the materials and send coarse materials to the feeding mouth and discharge the fine material from the pipe. The seat of the machine adopts channel steel and body adopts armor plate and the spiral axle adopts wrought iron, so it??s durable. The lifting equipments have two types, by electricity and hand.

    Main Techincal Parameters of Spiral Classifier:


    Model
    Spiral
    diameter
    (mm)
    Trough
    length
    (mm)
    Spiral rotation speed
    (r/min)
    Capacity(t/d)
    Power(kw)
    Weight
    (t)
    Return sand
    Overflow
    Driving
    Flifting
    FG7.5
    750
    5500
    6-10
    340-570
    65
    3.0
    Manual
    2.7
    FG10
    1000
    6500
    5.0-8.0
    675-1080
    110
    5.5
    Manual
    4.43
    FG12
    1200
    6500
    5.0-8.0
    1170-1870
    155
    5.5
    1.5
    8.7
    FG15
    1500
    8400
    4.0-6.0
    1830-2740
    235
    7.5
    2.2
    12.5
    FG20
    2000
    8400
    4.0-6.0
    3240-5400
    400
    11
    2.8
    20.5
    FG24
    2400
    9210
    3.6
    4650-7450
    580
    15
    3.0
    25.6
    FG30
    3000
    1250
    3.2
    11625
    890
    22
    4.0
    37.7
    2FG12
    1200
    6500
    5.0-8.0
    2340-3740
    310
    5.5x2
    1.5x2
    14.0
    2FG15
    1500
    8400
    4-6.0
    3660-5480
    470
    7.5x2
    1.5x2
    21.1
    2FG20
    2000
    8400
    3.0-5.5
    7780-11880
    800
    11x2
    2.8x2
    36.5
    2FG24
    2400
    9210
    3.6
    13600
    1160
    15x2
    3x2
    46.8
    2FG30
    3000
    12500
    2.0-3.2
    14600-23400
    1785
    22x2
    4x2
    73.0
    [Keywords: Spiral classifier]

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