The ball mill is a key equipment
to grind the crushed materials, and the ball mill is widely used in
powder-making production line including cement, silicate, new-type
building material, refractory material, fertilizer, ore dressing of
ferrous metal and non-ferrous metal, glass ceramics, etc, and the
ball mill can grind various ores and other materials with dry type
and wet type. There are two kinds of ball mill, grate type and
overfall type due to different ways of discharging
material.