The complete system of Zenith Machinery LM vertical coal mill is the core of the project. It integrates crushing, grinding, drying, and graded transportation. The two-in-one form of drying and powder making realizes the "one-step" powder making process of grinding and drying at the same time. This large-scale chemical powder grinding equipment condenses stable scientific and technological elements. It is equipped with "five-level safety and explosion-proof system" such as CO-O2 online analysis, grinding roller hydraulic device and automatic control system, making the entire powder making process clean, environmentally friendly, safe, efficient, intelligent and high-yield. Users can make diversified choices according to requirements such as output, fineness, and investment.