At all the production equipment in Dressing production line, ball mill is a key one of the entire production line, ball mill is widely used in the construction of airports, railways, highways and roads and national large bridge, the undersea tunnel, land tunnel, the new high-rise buildings and etc; it also used in mining industry, cement, metallurgical, ceramic mill, construction and road building industries and so on. With the continuous increase efforts of the energy-saving and environment-friendly society building, coupled with China’s industrial structure transformation and upgrading requirements and etc. All these require that manufacturers innovate and develop new ball mill to meet the market demand, thus ensuring the industry rapid development.