The vertical roller mill has the following main advantages:

(1) The grinding efficiency is high, and the power consumption can be reduced by more than 45% compared with other grinding equipment;

(2) Integrating drying and grinding into one, the equipment is arranged compactly and the process route is simple;

(3) The drying ability is strong, and the auxiliary heat source can be used to dry 8%}12% of the raw material moisture, and the thermal efficiency is equivalent to that of the vertical mill;

(4) The crushing process is cancelled, and the particle size of the grinding material is adjustable;

(5) The residence time of the material in the mill can be controlled remotely, the phenomenon of over-grinding and under-grinding is greatly reduced, and the finished product gradation is reasonable;

(6) The material has strong adaptability, which can be used for grinding of metallurgical steel slag, and grinding cement raw materials, clinker, etc. by adjusting process parameters;

(7) Horizontal roller mill grinding system has less equipment, low failure rate, easy to operate and maintain;

(8) The equipment wear is small, and the metal consumption is 15%~20% lower than the roller press + ball mill system: