Vertical roller mill localization build Trump efficient cement industry

Birth and advantages of a roller mill     The first vertical roller mill is the 1920s in Germany developed out. Some say it works like our ancestors mill grinding grain mill, which employs the principles of grinding material bed grinding material, to overcome the many shortcomings ball mill grinding mechanism, with high grinding efficiency, low power consumption (more than Mill saving 20% ​​to 30%), big drying capacity, allowing large size material into the mill, the grinding process is simple, small footprint, low construction costs, low noise, low wear, long life, easy to operate, etc. .     After 90 years of development, Vertical roller mill has been very mature, especially since the 1960s, with the large-scale warm-up pre-decomposition of birth and dry cement production lines, Vertical roller mill in the cement industry abroad has been widely application, its technical level has been further improved and perfected. Foreign companies have developed various types of Vertical roller mill, were a success. Germany Loesche developed the LM Vertical roller mill, the company developed a remarkable MPS Vertical roller mill, the company developed a RM Polysius Vertical roller mill, Denmark Smith developed Atox Vertical roller mill, UBE company produced UB-LM Vertical roller mill. Currently the world's largest Vertical roller mill single output of up to 600t / h, with 8000t / d clinker cement production line supporting grinding cement raw material. Just a few years ago, due to the change and the expansion of the production scale of China's cement industry, industrial policy, China has had to be imported from abroad and dozens 4 000 ~ 6 000t / d cement production line supporting of milling. Time to push forward China's cement industry Vertical roller mills dependence on imported more, or to give up the roller mill and the tube mill with high energy consumption.