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.
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.
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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.
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