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    Screw Classifier

    Screw Classifier

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    Screw Classifier

    • Simple structure
    • Reliable operation
    • Convenient maintenance
    • Low cost, high efficiency
    A Brief Overview:
    There are mainly four types of classifiers, namely high weir single spiral classifier, high-weir dual spiral classifier, sinking single spiral classifier and sinking dual spiral classifier.

    Classification and Application Scope

    The screw classifier is also called spiral classifier. There are mainly four types of classifiers, namely high weir single spiral classifier, high-weir dual spiral classifier, sinking single spiral classifier and sinking dual spiral classifier.

    Screw Classifier

    The classifier can form a closed circuit with the ball mill for distributing the ores, grading the ores and fine mud in the gravity mills, grading slurry in the metal ore dressing procedure or for desliming and dehydrating in ore dressing process.

    Features

    1. Simple structure

    2.  Reliable operation

    3.  Convenient maintenance

    4.  Low cost

    5.  High efficiency

    Working Principle

    According to the principle that different particle sizes with different proportion have certain terminal velocity, the fine particles float on the water and overflow out while the coarse particles sink to the bottom and then they will be pushed upward and discharged. The powders will be filtered, with the substandard particles screwed into the feeding port by the spiral vanes and the fine ones discharged from the overflow pipe. The head of the screw axis and the shaft adopt the pig iron cover, which is wear-resisting and durable. There are manual and electric lifting devices separately.

    The Structure

    The classifier is composed of the transmission device, the spiral, the trough, the lifting mechanism, and the lower bearings (bush) and the discharge valve.

    Model
    Spiral diameter
    (mm)
    Spiral rotation speed
    (r/min)
    Trough length
    (mm ≤)
    Motor power(kw≤)
    Dimensions(L×W×H)(mm≤)
    Machine 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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