Overflow Ball Mill

Overflow type ball mill is a kind of wet grinding machine, which is the key equipment for secondary grinding. It is named after its feature of overflow discharge, and it has the advantages of high crushing ratio, strong adaptability and large capacity, etc. Usually, It is used to grind ore, coal or other grindable materials with certain hardness. Compared with grid type ball mill, the structure of overflow ball mill is relatively simple.

    Description

    The overflow type ball mill is primarily composed of a cylinder, end covers, main bearings, hollow shaft neck, transmission gears, and a feeder, among other components. According to different discharging methods, there are grid type ball mill and overflow type ball mill. As a crucial grinding machine, it has the advantages of high crushing ratio, good reliability, strong adaptability and large processing capacity. And it is widely used in the mining processing , metallurgy, construction and chemical industries.

    As a professional ball mill manufacturer, Shanghai YingYong Machinery pays more attention to technology research and development and constantly introduces advanced ball mill manufacturing technology and techniques. We are committed to providing our customers with high quality and high performance ball mills.

    Working Principle

    According to the size selection of the material, the material is fed into the cylinder of the ball mill through the feeding end. When the cylinder of the ball mill starts rotating, the grinding media adheres to the lining plates near the cylinder. Due to the influence of inertia, centrifugal force, and friction, as the cylinder rotates, the grinding media reaches a certain height. At this point, the grinding media falls and crushes the materials within the cylinder.

    Advantages

    Strong wear resistance
    The cylinder of our wet overflow ball mill adopts wear-resistant lining plate, which has strong wear resistance and longer service life.
    Simple structure and easy maintenance
    The structure of overflow ball mill is simple, and it’s equipped with a lifting device, easy to repair.
    The machine runs smoothly and reliably
    The ball mill is equipped with an oil mist lubrication device to reduce frictional resistance and ensure reliable lubrication of the large and small gears.
    Energy-saving and cost reduction
    The equipment has the characteristics of low starting current, short starting time and flexibility. Compared with ordinary mills, this equipment can save 20% to 30% of electricity, effectively reducing costs.
    PCL automation control
    Our overflow mill adopts PLC control system. The system has functions such as sound and light alarm and fault diagnosis.
    Low investment cost
    The equipment requires minimal investment and relatively few auxiliary devices, and it’s material transportation device is simple, which makes the cost of mineral processing can be effectively controlled.

    Parameters

    Models
    Cylinder Diameter(mm)

    Cylinder Length(mm)

    Volume (m3)

    Working speed (r/min)

    Maximum loading capacity (t)

    Motor Power (kw)
    MQY32453200450032.818.561630
    MQY32543200540039.518.5731000
    MQY32603200600043.718.5811000
    MQY3545360045004117.5761000
    MQY36503600500046.217.3861250
    MQY3660360060005517.31021250
    MQY3690360090008317.31451800
    MQY3862380062006416.81181500
    MQY4060400060007016.8113.41500
    MQY4067400067007816.21381600
    MQY4361427061008015.71441750
    MQY43854270850011015.72052500
    MQY45614572610093.315.11512200
    MQY4564450064009715.11341950
    MQY457645007600111.715.11802200
    MQY466946006900105.9151852300
    MQY487048007000118.9152082500
    MQY488348008300138152403000
    MQY50645030640012114.42242600
    MQY506750306700123.214.42273000
    MQY507050307000128.814.42273000
    MQY50745030740013614.42403300
    MQY508050308000147.214.42463300
    MQY55835500830018213.72964100
    MQY55855500850018513.73004500
    MQY558855008800191.513.73354500
    MQY609560009500249.313462.66000
    MQY6711667101157038512.56252×4700
    MQY73115731511497494.112871.22×6750
    MQY80120800012000570.511.51005.815000

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