Low speed mill for coal grinding

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Low speed tube mill is mainly used in fire power station for grinding coal of different hardness, and also in metallurgical, building material,chemical and textile industries for producing coal powder.It has high adaptability ,reliable operation, easy maintenance and advanced technology. The mill is divided into six series and seventeen specifications of MG220-MG380.   The mill consists of feeding device , driving assembly, rotating assembly bearing parts, discharging chute and foundation unit.Raw coal and heat air go into the rotating assembly. When the shell rotates,grinding mediums are raised to a certain height, then fall down by its own gravity, impact the coal and make it to be powder. The pulverized coalis carried to the silo through the screen,and the oversize material is sent back to the shell and ground again.

technical parameter of low speed mill for coal grinding

规格 Specification 筒体 Shell 电动机 Motor 产量 Output(t/h) 筒体转速 Speed of  the drum (r/min) 最大装球量 Max. weight  of ball  charged(t) 重量 Weight(t)
有效容积 Available  volume(m3) 有效长度 Available  length(mm) 有效直径 Available  diameter(mm) 功率 Power (KW) 电压 Voltage(V)
Φ2.2×2.6 9.9 2600 2200 185 380 4 22 10 37.4
Φ2.2×3.3 12.5 3300 2200 200 380 6 22 14 39.5
Φ2.5×3.2 15.71 3200 2500 280 6000 8 20.42 18 49
Φ2.5×3.9 19.14 3900 2500 315 6000 10 20.42 22 54.64
Φ2.9×3.5 23.12 3500 2900 355 6000 12 19.34 26 68
Φ2.9×4.1 27.08 4100 2900 500 6000 14 19.34 30 72.9
Φ2.9×4.7 31.04 4700 2900 560 6000 16 19.34 35 76.4
Φ3.2×4.7 37.8 4700 3200 710 6000 20 18.42 44 113.4
Φ3.2×5.8 46.65 5800 3200 800 6000 25 18.42 55 119.3
Φ3.5×6 57.73 6000 3500 1000 6000 30 17.57 59 142
Φ3.5×6.5 62.53 6500 3500 1120 6000 32 17.57 66 146.5
Φ3.5×7 67.3 7000 3500 1120 6000 35 17.57 69 172
Φ3.8×6.5 79.8 6500 3800 1250 6000 40 17 75 196.9
Φ3.8×7.2 88.2 7200 3800 1400 6000 45 17 85 203.4
Φ3.8×7.9 96.4 7900 3800 1600 6000 50 17 95 210.9
Φ3.8×8.3 101.5 8300 3800 1800 6000 53 17 100 215
Φ3.8×8.6 104.6 8600 3800 2000 6000 55 17 105 217.9
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