Cement Ball Mill

The cement ball mill, also known as the cement mill, is the key grinding equipment used in the cement production process to grind finished products and raw materials. Its main function is to crush the materials and achieve the necessary fineness requirements.

    Description

    A cement mill is an important component of the cement manufacturing process in a cement plant. The cement ball mill is designed to grind materials in either a dry or wet mode, and it finds widespread usage across different production industries, including cement, silicate products, refractory materials, chemical fertilizers, ferrous and non-ferrous metal beneficiation, and glass ceramics.

    The parts of a cement mill include:

    • Grinding Media: Steel balls or other grinding media facilitate the grinding process by impacting and grinding the materials.
    • Mill Shell: The cylindrical shell encloses the grinding chamber and provides support for the grinding media. It is typically made of steel and is lined with wear-resistant materials to protect against abrasion.
    • Diaphragm: Proper grinding efficiency and material flow are ensured by diaphragms, which separate the grinding media and materials being ground.
    • Drive system: The drive system consists of a motor, gearbox, etc, that transmits power to the mill. It provides the rotational motion necessary for the grinding process.
    • Motor: The motor is the power source that drives the mill.
    • Bearings: These components support the mill shell and allow it to rotate.
    • Lining plates: The mill shell interior is often lined with replaceable plates to protect it from wear due to grinding media and processed materials.
    • Control system: Modern cement ball mills may include a control system that monitors and regulates parameters such as mill speed, feed rate, and product fineness to optimize the grinding process.
    wet-ball-mill

    Working Principle

    The material is fed uniformly into the first bin of the mill through the feeding device via the feeding hollow shaft spiral. Inside the bin is a ladder lining board or corrugated lining board, and steel balls of different sizes are installed. As the cylinder rotates, centrifugal force is generated, which lifts the steel balls to a certain height, and then they fall, creating a heavy impact and grinding effect on the material.

    After the material is roughed in the first bin, it enters the second bin through the single-compartment board, which is inlaid with a flat lining board and contains steel balls to grind the material further. The powder is discharged through the unloading grates to complete the grinding operation. A cement mill has the characteristics of strong adaptability to materials, continuous production, large crushing ratio, and easy-to-adjust the fineness of grinding products. Cement mills can be produced by the wet method as well as by the wet method. It can also be ground and dried at the same time.

    Advantages

    High efficiency and large output
    Adding grinding aids in cement ball mills can enhance the grinding efficiency and reduce the energy consumption of the grinding process.
    Long Service Life
    The cement mills are made of metallic gears and wear-resistant polymer materials, significantly reducing the likelihood of gear fractures and damages during operation and significantly extending its service life.
    Low vibration and noise
    Our cement mill has a sturdy base and support structure to minimize vibrations and noise.
    Meet the requirements of environmental protection
    Our cement mill has excellent sealing performance and no dust spillage, contributing to environmental protection.

    Parameters

    Spec./mSpeed(r/min)Feeding Size (mm)Capacity(t/h)Grinding  Media Loading(t)Main Motor (KW)Main ReducerWeight(t)
    φ2.2×9.021.5<2514~1539475ZD7069
    φ2.2×9.521.5<2514~1641475ZD7074
    φ2.2×1121.5<2516~1850570ZD80109
    φ2.2x1321.5<2520~2258630ZD80114
    φ2.4x1020.3<2518~2052630ZD80108
    φ2.4×1120.3<2519~22 (Open Circuit)57630ZD80116
    φ2.4×1120.3<2522~25(Circulating Load)57630ZD80116
    φ2.4×1220.3<2521~23(Open Circuit)63800MBY710128
    φ2.4×1220.3<2524~26(Circulating Load)63800JDX710128
    φ2.4×1320.3<2522~24(Open Circuit)68800MBY710138
    φ2.4×1320.3<2525~28(Circulating Load)68800JDX710138
    φ2.6×1119.7<2524~26 (Circulating Load)69800MBY710138
    JDX710
    φ2.6×1319.7<2528~32821000MBY800158
    φ2.6×1319.7<2528~32821000JDX800158
    φ3.0×9.018.2<2528~32781000MBY800158
    φ3.0×9.018.2<2528~32781000JDX800158
    φ3.0x1118.2<2531~35951250MBY800178
    φ3.0x1118.2<2531~35951250JDX800178
    φ3.0x1218.2<2532~361001250MBY800182
    φ3.0x1218.2<2532~361001250JDX800182
    φ3.0×1318.2<2533~371081400MBY900190
    φ3.0×1318.2<2533~371081400JDX900190
    φ3.2x1117.8<2540~451101400MBY900215
    φ3.2x1117.8<2540~451101400JDX900215
    φ3.2×1317.8<2545~501281600MBY1000230
    φ3.2×1317.8<2545~501281600JDX1000230
    φ3.2×1317.7<2550~55(Circulating Load)12816001C120-A230
    φ3.2×1317.7<2550~55(Circulating Load)1281600MFY160230
    φ3.2×1417.8<2548~531381800MBY1000249
    φ3.2×1417.8<2548~531381800JDX1000249
    φ3.5x1117.1<2555~60(Circulating Load)1351800JS120-B220
    φ3.5x1117.1<2555~60(Circulating Load)1351800MFY180220
    φ3.5×1317.3<2560~65(Circulating Load)1562000JS130-A275
    φ3.8x1217<2563~68(Circulating Load)1752500JS130-C197
    φ3.8x1317<2565~70(Circulating Load)1902500JS130-C245
    φ4.0x1316.3<2575~80(Circulating Load)2002800JS140-A250
    φ4.2x1115.8<25100~110(Circulating Load)1952800JS140-A248
    φ4.2x1315.8<25110~120(Circulating Load)2303150JS140-C255
    φ4.2×1415.6<25120~135(Circulating Load)2523550JS150-B270
    φ4.2x1515.6<25140~150(Circulating Load)2704000JS160-B288
    φ4.6×1415.1<25140~150(Circulating Load)2854200JS160-C320
    φ4.6x1515.1<25150~160(Circulating Load)3054500JS160-D335

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