The Design Principle Of Vertical Roller Mill
The first vertical mill put into operation in the USA was in the year 1973. Later, Japan, Egypt, Mexico, New Zealand, Argentina, Congo and some other countries all adopted vertical mill. At the end of last century, the economy of Southeast Asia developed rapidly, which also brought the remarkable growth of cement market. Many international companies started to invest in Southeast Asia, leading to the appearance of many large scaled cement production plants. At the same time, vertical mill got wide application in Southeast Asia area.