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Exploration the Best Working State of Ball Mill

2015-09-28 XinHai Views (260)

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Ball mill is driven by the transmission device and dynamo, the cylinder rotates with the materials. With the force of friction, rotating cylinder drives the grinding medium-steel balls to rise up, fall down and revolve. On the whole process, steel balls ran afoul of each other, collide with cylinder and materials. The collision of steel balls and materials is an effective work, which has a direct effect on the efficiency of Ball Mills. However, the collision among steel balls and the collision between steel balls and liners will reduce the rate of work and led to the wastage of steel balls themselves.

The best working state is related to steel balls, which are important to the crushing. Besides, moving state of steel balls includes three stages: rising up, falling down and rotating. Among those, falling down is the main motion and important to crushing. During the motion of Ball mills, the speed of cylinder affects the moving state of steel balls directly. If the cylinder rotates slowly, steel balls start to fall down, without reaching the best point.

Therefore, it is the inadequate height of raising that led to not enough impacts, failing to get the best crushing effect. But if the cylinder rotates too fast, centrifugal force on a steel ball is bigger than the gravity of itself. Therefore, steel balls will reach the peak direction, and do the circular motion together with the cylinder. There is no parabolic motion of steel balls and no impact on materials which could not be crushed. The grinding effect is far from enough. In the stage of grinding, for certain mineral property and mineral separation process, there is a best grinding speed that is suitable for the mineral property and contributes to the highest grinding efficiency.

Xin Hai Mining Machinery could provide the highest quality of mining equipment, the lowest price, and the best service. If you want to select mining equipment, Xin Hai is your best choice.

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