After years of research and testing, Zenith Machinery has developed the LM vertical coal mill specifically for coal powder preparation, which is suitable for anthracite, bituminous coal and lignite. The coal powder fineness is adjustable, the operation is stable, and the energy consumption is low and the output is high. The coal powder preparation system is equipped with "five-level safety and explosion-proof measures", realizing a fire and explosion-proof system covering the entire area, the entire process and all source points, effectively ensuring the safe and stable operation of the system, with reliable safety performance, and winning a large number of repurchase orders and wide praise from customers.