The significance of gradation ratio of ball mill grinding media: The gradation ratio of ball mill grinding media directly affects the output of ball mill and the consumption of ball mill grinding media. Gradation of ball mill grinding media is mainly based on the physical and chemical properties of the material being milled, the structure of the ball mill and the fineness of the product requirements and other factors.

Materials in the grinding process, at the beginning they are a large block, which needs to use larger diameter steel ball to impact fracture. With the smaller degree of block, the need to use small steel ball to increase the grinding capacity of the material. In the case of the ball mill grinding media load unchanged, reducing the size of the ball mill grinding media can increase the contact area of the ball mill grinding media to improve the grinding capacity. a it is certain relationship between steel ball specifications of ball mill and the size of the grinding material. The greater the particle size, and the larger the average diameter of ball mill steel ballse.

The principle of gradation of ball mill grinding media

1 Meeting the size, hardness, abrasion resistance and product fineness requirements of the material into the ball mill.

2 It should be different of the gradation of ball mill steel balls that large ball mill and small ball mill, raw material ball mill and cement ball mill.

3 Coordinate application of large and small balls for the control of material flow rate to meet the fineness requirements, to reduce the ball's porosity, so that the material flow rate slowed down to extend the material in the ball mill residence time.

4 The big balls and the small balls should be less, and the middle of the balls should be more specifications.

5 Single-warehouse ball mill should be installed all the balls, not installed steel section. The first warehouse of double-warehouse ball is filled with balls, while steel section in the second warehouse.

6 The total load of ball mill grinding media should not exceed the design allowable load.

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