The positive pressure distribution on the bearing surface of screw down system of 950 primarymill was studied using FEM and the corresponding improvement way has been put forward.
Primary investigation based on the applications of liners of different material qualities has showed that, the ball mill liners made from high chrome cast-iron exhibits longer service life.
通过多种不同材质衬板的工业使用，初步探明了用高铬铸铁制造的球磨机衬板，使用寿命较长。
3
The screening technology is a primary way to insure high yield and super fineness of fine grinding mill. But it is mainly used in the obstructing equipment in the chamber of fine grinding mill.