MQ Series Ball Mill

Ball mill is a very common used grinding equipment, especially in mineral ore processing plant.A&C MQ series ball mill is widely used in various kinds of ores and rocks. With large capacity and low energy consumption, this mill is getting more and more attention in China and abroad.

Most widely used ball mill

According to the grinding method, ball mill can be divided into dry ball mill and wet ball mill which are different in structures. According to the different ways of discharging the processed materials, ball mill can be divided into overflow ball mill and grate ball mill. At present, wet ball mill take a very important position in the whole world's grinding equipment market because of its high fineness and efficiency. Here we mainly introduce two most widely used ball mill from A&C: wet overflow ball mill and wet grate ball mill.

Wet Overflow Ball Mill

The feed opening of the mill is higher than the discharge opening, the ground material will flow out of the mill automatically, so it is called wet overflow ball mill. Meanwhile, there is no screening in the overflow ball mill. This mill has many advantages such as simple structure, easy maintenance, and the thread screws in the outlet pipe can avoid the flowing of the bulk materials and the steel balls.

Wet Grate Ball Mill

The discharging method of this mill is to screen the materials out by a screen. And with this method, the ground material can be discharged out of the mill very quickly which avoid over-grinding and also improve the capacity.

Working principle

The motor driving the main body rotating through reduces and the large gear. And there is grinding media-the steel ball in the main body. The steel ball will be lifted to a certain height by the centrifugal and friction force, and then falls down by gravity. The raw materials enter the main body through the feed opening and being ground by the moving balls. After ground coarsely in the first warehouse, the materials then enter into the second warehouse for regrinding. And then the ground materials will be discharged out of the mill.

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