What are the vertical mill cement finish grinding. OK grinding and milling the table shown in Figure 3, the process of OK mill OK mill, 274, 304 models are 253, 334, 364 5, 253 3 roller mill, the remainder is 4 and OK vertical mill grinding clinker production was 55 ~ 165t/h, the slag yield is 35 ~ 100 t/h, grinding with OKS high efficiency separator, a grinding roller turning device