Coal grinding process is the process of coal was broken and its surface area increased. To add more surface area, must overcome the binding force between molecules and solids, energy consumption. The coal is ground into pulverized coal in the coal grinding machine, mainly is carries on through the crush, crush and grind in three ways.
the coal grinding system under inert conditions. This can be achieved at a cement plant by using exit gases from the kiln preheater to dry and convey the material through the mill. A variable amount of cleaned gas can be recycled from the grinding system filter to .