The role of ball mill Grinding Media Balls in grinding

The grinding work is inseparable from the grinding medium. The grinding medium of the ball mill is the steel ball. We say that the steel ball of the ball mill is not only the implementer of the grinding operation, but also the transmitter of energy, which affects the production capacity of the ball mill, the quality of grinding products and the grinding process. The level of steel consumption and energy consumption. Here is a breakdown of the role of ball mill steel balls in grinding.

Ball mill steel balls play the role of energy mediator in the grinding process and determine the occurrence of crushing behavior

Grinding is a process of particle size reduction and specific surface area increase. According to the principle of thermodynamics, the increase of the surface area is a process of increasing the internal energy, which cannot happen spontaneously, and can only be achieved by external work on the ore. That is to say, the grinding process is a process of mutual conversion of functions, that is, the mill does work on the ore to increase the internal energy of the ore and deform, and when the deformation reaches the limit, fragmentation occurs. When the ore is broken, part of the energy received by the ore is converted into the new surface energy of the ore particles, and most of it can be lost in the medium space in the form of heat, sound and other energy. The mill needs to do work on the ore and make the ore obtain energy through the energy medium, the crushing medium. Therefore, the crushing medium, that is, the steel ball, plays the role of energy transmission. If the energy transmitted by the steel ball is insufficient, the ore can only be deformed. After the crushing force is withdrawn, the ore will return to its original state, and the crushing behavior cannot occur. Therefore, the steel ball determines the occurrence of the crushing behavior.