Grinding equipment is the general term for crushing machinery and grinding machinery. The two generally according to the size of the size of the row to make a rough distinction: discharge in the grain size greater than 3 mm of the total discharge volume of more than 50% of those called crushing machinery; less than 3 mm content of the total discharge of more than 50% Are known as grinding machinery. Sometimes the grinding machine is called crushing machinery, which is the narrow meaning of crushing equipment. The use of mechanical force on the solid material crushing operations, making it into small pieces, powder or powder machinery. The use of grinding machinery for grinding is characterized by large energy consumption, wear-resistant materials and the amount of grinding media, dust and serious noise and so on.