Grid Type Ball Mill

Grid Type Ball Mill

Principle

The main component is a cylinder with diameter and length at a reasonable proportion. Driven by the transmission device, the cylinder rotates with the materials fed from the cylinder inlet and crushed by the falling impacts and autogenous grinding of the steel balls and ores in the cylinder. Due to the continuously feeding materials, Materials are pushed to the outlet by the pressure, and the grinded materials are discharged from the cylinder outlet. Qualified materials flow from the cylinder outlet. In wet grinding, the materials are taken out by the water flow. There is a grid installed in the outlet of the mill with low slurry surface, which can reduce the ore over-grinding, and prevent the steel ball out. Under the same production conditions, production capacity of grid mill is larger with rolling bearing and significant energy conservation.

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Features

Large double-row self-aligning rolling bearing with less friction force is used to replace sliding bearing, and easy to start with

energy saved by 20-30%. Corrugated lining plate is used to increase the contact surface of ball and ore, strengthen the grinding, lift the ores, and reduce the energy consumption.

Overall frame is adopted for small size ball mill (Dia < 2.1m) which is much more convenient for civil work and installation; Large ore outlet and large capacity. Oil mist lubrication device guarantees the lubrication of all gears.

Application

Generally used in grinding ores with larger particle size.

Technical Parameters

Spec. Diameter of cylinder Length of cylinder (mm) Motor model Motor power (kw) Length(mm) Width (mm) Height(mm) Effective volume (m3) Maximum ball charge (t) Weight (kg)
MQG0909 900 900 Y225S-8 18.5 4750 2213 2050 0.45 0.96 4620
MQG0918 900 1800 Y225M-8 22 5000 2280 2050 0.9 1.92 5340
MQG1212 1200 1200 Y250M-8 30 5788 2794 2540 1.14 2.4 11438
MQG1224 1200 2400 Y315S-8 55 6673 2994 2540 2.28 4.8 13200
MQG1515 1500 1500 JR115-8 60 6094 3300 2766 2.2 5 13700
MQG1530 1500 3000 JR125--8 95 7979 3300 2766 4.5 10 18690
MGG2122 2100 2200 JR128-8 155 7750 4839 3794 6.6 15 45400
MQG2130 2100 3000 JR137-8 210 8970 4839 3794 9 20 50600
MQG2430 2400 3000 JR1410-8 280 9728 4956 4018 12.1 22.5 67000
MQG2721 2700 2100 JR1410-8 280 9300 5500 4500 10.7 24 63000
MQG2727 2700 2700 JR148-8 310 9900 5500 4500 13.8 29 68530
MQG2736 2700 3600 TDMK400-32/2150 400 9785 5767 4995 18.4 41 77000
MQG2736 2700 3600 TDMK400-32/2150 400 9785 5767 4995 18.4 41 77000
MQG3230 3200 3000 TDMK500-36 500 13700 6760 5100 20.7 43 113500
MQG3231 3200 3100 TDMK630-36 630 12750 6750 5150 21.4 45 114435
MQG3236 3200 3600 TDMK630-36 630 14300 6760 5200 24.8 52 119012
MQG3245 3200 4500 TDMK800-36 800 12700 7200 5700 31 65 127650
MQG3639 3600 3900 TM1000-36/3600 1000 15000 7200 6300 36.2 75 145000
MQG3645 3600 4500 TDMK1250-40 1250 15200 7750 6300 41.8 90 159700
MQG3650 3600 5000 JM1400-40 1400 17600 7750 6300 46.4 96 158000
MQG3660 3600 6000 TDMK1600-40 1600 17000 8800 6500 55.7 120 189000
MQG4060 4000 6000 TDMK1700-30 1700 17400 9500 7600 69.8 137 214000
MQG4560 4500 6000 TDMK2300-30 2300 17800 10500 7600 87 158 294000

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