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Ball Mill

Ball Mill

Ball mill main bearing, the pinion bearings used in bearing grease, oil pump through a pipeline to oil in the grease nozzle is sprayed onto the bearing by timing supplement bearing grease to keep good lubrication bearing.

Introduction to ball mill

It is widely used in cement and silicate products; new building materials, refractory materials, fertilizer, ferrous and nonferrous metal and glass ceramics and other mineral production industries of all kinds of ores and other grind-able materials can be dry or wet grinding. According to different ways of discharge it can be divided into two kinds of lattice type and overflow type.

Ball Mill

How ball mill works

Cylindrical ball mill is a horizontal rotating device. Material will be fed evenly into the first warehouse where has ladder liner or corrugated liner, built with different specifications of steel balls; centrifugal force will raise the ball to a certain height. After the falling, the material will be seriously impacted and abraded. The material will then enter the second silo which is lined with flat liner for further grinding.

The steps in detail when problems happen in running the ball mill

When the ball mill is running, there is regular beating noise. The temperature of ball mill and reducer is high. When ball mill reducer is driving, there will be a huge vibration. When the ball mill reducer is running, the sound is unusual.

For the common problems in operation, in order to resolve these issues better we should adopt different solutions according to different reasons.

Match of ball diameter is very important: pay attention to the size of ball diameter, which can improve efficiency.

Change the formula is to increase the strength and weight of the ball (to increase its inertia).Grinding time and efficiency have no relationship, because efficiency itself is the ratio of effort and time.

Methods of increasing speed include the use of inverters and modified deceleration device (if there is deceleration device).

Then there is a must to add water during milling time. Also, dispersant can be added to improve the milling efficiency.

Technical parameters

Model Shell rotation speed(r/min) Ball load(t) Feeding size(mm) Discharging size(mm) Capacity Motor power(kw)(kw) Weight(t)
(t/h)
Ø900*1800 36--38 1.5 <=20 0.075-0.89 0.65-2 18.5 5.5
Ø900*3000 36 2.7 <=20 0.075-0.89 1.1-3.5 22 6.7
Ø1200*2400 36 3 <=25 0.075-0.6 1.5-4.8 30 12
Ø1200*3000 36 3.5 <=25 0.074-0.4 1.6-5 37 12.8
Ø1200*4500 32.4 5 <=25 0.074-0.4 1.6-5.8 55 13.8
Ø1500*3000 29.7 7.5 <=25 0.074-0.4 2-5 75 16.8
Ø1500*4500 27 11 <=25 0.074-0.4 3-6 110 21
Ø1500*5700 28 12 <=25 0.074-0.4 3.5-6 130 25.8
Ø1830*3000 25.4 11 <=25 0.074-0.4 4-10 130 29
Ø1830*4500 25.4 15 <=25 0.074-0.4 4.5-12 155 35.5
Ø1830*6400 24.1 21 <=25 0.074-0.4 6.5-15 210 43
Ø1830*7000 24.1 23 <=25 0.074-0.4 7.5-17 245 43.8
Ø2100*3000 23.7 15 <=25 0.074-0.4 6.5-36 155 34.8
Ø2100*4500 23.7 24 <=25 0.074-0.4 8-43 245 38
Ø2100*7000 23.7 26 <=25 0.074-0.4 8-48 280 56.6
Ø2200*4500 21.5 27 <=25 0.074-0.4 9-45 280 51.8
Ø2200*6500 21.7 35 <=25 0.074-0.4 14-26 380 60
Ø2200*7000 21.7 35 <=25 0.074-0.4 15-28 380 62
Ø2200*7500 21.7 35 <=25 0.074-0.4 15-30 380 64.8
Ø2400*3000 21 23 <=25 0.074-0.4 7-50 245 54
Ø2400*4500 21 30 <=25 0.074-0.4 8.5-60 320 65
Ø2700*4000 20.7 40 <=25 0.074-0.4 12-80 380 94
Ø2700*4500 20.7 48 <=25 0.074-0.4 12-90 480 102
Ø3200*4500 18 65 <=25 0.074-0.4 ----- 800 137
Ø3600*4500 17 90 <=25 0.074-0.4 ----- 850 158
Ø3600*6000 17 110 <=25 0.074-0.4 ----- 1250 175

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