Due to the unique physicochemical properties of non-metallic mineral products, the application of non-metallic mineral products has penetrated into almost all industrial sectors and played an increasingly important role in the national economy. According to statistics, many non-metallic minerals in industrialized countries have surpassed metal mines and are gradually playing an increasingly important role in the entire national economy. The use of non-metallic minerals depends on the degree of deep processing, including ultra-fine pulverization, ultra-fine grading, fine purification and surface modification. Among them, effective superfine pulverizing equipment is the premise and guarantee for deep processing. Therefore, the development level of the mill technology determines the rational development and comprehensive utilization of non-metallic mineral products to a certain extent. Non-metallic minerals and their processed products are widely used in metallurgy, machinery, electronics, foundry, chemical, light industry, building materials, food, national defense and environmental protection, medical and health industries. The development of non-metallic mining has brought significant economic benefits to the national economy and has been widely valued by countries around the world. As a technical support for deep processing of non-metallic minerals, the mill can play a role and contribution. . Before the 1980s, there were few manufacturers of mills in China, and the required products were mainly processed by imported equipment or directly imported. After the 1980s, through the introduction, digestion, absorption and organization of technical research, began to develop and develop all kinds of ultra-fine pulverization and fine grading equipment .
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