Some Tips About Rotating Speed Of Ball Mill

Shanghai Minggong is professional ball mill manufacturer

. Ball Mill is mainly used to grind materials in mineral, cement, refractory, chemical industry, etc. Ball Mill has dry and wet ways. When wet Ball Mill works, certain water and other liquid will be added into materials to increase flowability of materials, so the capacity is increased.When dry Ball Mill works, capacity is affected because material flowability is reduced, so absorbing wind device is needed on the outlet of Ball Mill, and then negative pressure is formed in the Ball Mill to increase flowability of material, so the capacity is increased. When the ball mill rotates in low speed, the ball of mill ball raised at a low height, the ball will roll down from the top of the ball charge because of its own gravity and presents a cascading state, at which time the impact force of the ball is very small but the grinding effect is evident. However, the ore is mainly ground by grinding and the grinding efficiency is not high. On the other hand in high speed, the ball will be lifted highly. After the ball is lifted to a certain height, it will separate from the barrel and falls along a parabolic trajectory in throwing working state. The ball will gain a great impact at the drop point. The ore is mainly ground by the impact, and the grinding efficiency is high. When the rotating speed of the ball mill exceeds a certain limit , the ball will rotate with the cylinder to rotate without falling in centrifugal running state. The ball will not gain any impact which means no grinding efficiency. The control of the rotating speed of a ball mill not only relates to the grinding effect, but also relates to the service life of a ball mill. For example, nowadays the ball mill is designed and manufactured below the critical speed. If it rotates at the critical speed or supercritical speed movement, firstly, it will lost its grinding performance because of the centrifugal force; secondly, the high speed rotating will cause mechanical vibration and abrasion, the service life of the equipment is greatly reduced. At the same time the grinding effect of the internal ball mill damages, discharging thickens and it also increases the graded load, so that products are not up to the qualified size requirements. So it is more important of controlling the rotating speed of a ball mill. From this page, you can get the Mineral Processing,Rotary Kiln,Ball Mill Machine,Slag Mill,ball mill,ball mill. if you are interested in our products,please contact us by E-mail or telphone, thank you.http://www.mgbeneficiation.com

by: fleeting time

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