The overflow-type ball mill is a wet grinding machine used as the key equipment for secondary grinding. It is named after its feature of an overflow discharge, and it offers several advantages, like a high crushing ratio, strong adaptability, and large capacity. Typically, it is employed to grind materials such as ore, coal, and other grindable materials with certain hardness levels. Compared with grid-type ball mills, the structure of overflow ball mills is relatively simple.
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[email protected]The overflow-type ball mill primarily comprises 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 mills and overflow-type ball mills. As a crucial grinding machine, it has the advantages of a high crushing ratio, good reliability, strong adaptability, and large processing capacity. It is widely used in the mining processing, metallurgy, construction, and chemical industries.
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The material is fed into the cylinder of the ball mill through the feeding end based on the size selection. As the cylinder of the ball mill starts rotating, the grinding media sticks to the lining plates near the cylinder. Due to the influence of inertia, centrifugal force, and friction, the grinding media reaches a certain height as the cylinder rotates. At this point, the grinding media falls and crushes the materials inside the cylinder.
| Models | Cylinder Diameter（mm） | Cylinder Length(mm) | Volume (m3) | Working Speed (r/min) | Maximum Loading capacity (t) | Motor Power (kw) |
| MQY3245 | 3200 | 4500 | 32.8 | 18.5 | 61 | 630 |
| MQY3254 | 3200 | 5400 | 39.5 | 18.5 | 73 | 1000 |
| MQY3260 | 3200 | 6000 | 43.7 | 18.5 | 81 | 1000 |
| MQY3545 | 3600 | 4500 | 41 | 17.5 | 76 | 1000 |
| MQY3650 | 3600 | 5000 | 46.2 | 17.3 | 86 | 1250 |
| MQY3660 | 3600 | 6000 | 55 | 17.3 | 102 | 1250 |
| MQY3690 | 3600 | 9000 | 83 | 17.3 | 145 | 1800 |
| MQY3862 | 3800 | 6200 | 64 | 16.8 | 118 | 1500 |
| MQY4060 | 4000 | 6000 | 70 | 16.8 | 113.4 | 1500 |
| MQY4067 | 4000 | 6700 | 78 | 16.2 | 138 | 1600 |
| MQY4361 | 4270 | 6100 | 80 | 15.7 | 144 | 1750 |
| MQY4385 | 4270 | 8500 | 110 | 15.7 | 205 | 2500 |
| MQY4561 | 4572 | 6100 | 93.3 | 15.1 | 151 | 2200 |
| MQY4564 | 4500 | 6400 | 97 | 15.1 | 134 | 1950 |
| MQY4576 | 4500 | 7600 | 111.7 | 15.1 | 180 | 2200 |
| MQY4669 | 4600 | 6900 | 105.9 | 15 | 185 | 2300 |
| MQY4870 | 4800 | 7000 | 118.9 | 15 | 208 | 2500 |
| MQY4883 | 4800 | 8300 | 138 | 15 | 240 | 3000 |
| MQY5064 | 5030 | 6400 | 121 | 14.4 | 224 | 2600 |
| MQY5067 | 5030 | 6700 | 123.2 | 14.4 | 227 | 3000 |
| MQY5070 | 5030 | 7000 | 128.8 | 14.4 | 227 | 3000 |
| MQY5074 | 5030 | 7400 | 136 | 14.4 | 240 | 3300 |
| MQY5080 | 5030 | 8000 | 147.2 | 14.4 | 246 | 3300 |
| MQY5583 | 5500 | 8300 | 182 | 13.7 | 296 | 4100 |
| MQY5585 | 5500 | 8500 | 185 | 13.7 | 300 | 4500 |
| MQY5588 | 5500 | 8800 | 191.5 | 13.7 | 335 | 4500 |
| MQY6095 | 6000 | 9500 | 249.3 | 13 | 462.6 | 6000 |
| MQY67116 | 6710 | 11570 | 385 | 12.5 | 625 | 2×4700 |
| MQY73115 | 7315 | 11497 | 494.1 | 12 | 871.2 | 2×6750 |
| MQY80120 | 8000 | 12000 | 570.5 | 11.5 | 1005.8 | 15000 |
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