The grinding process in ball mills and vertical roller mills differ fundamentally. ... It is thus necessary that a stable and consistent grinding bed is formed between .... 30. 20. 10. 5. 1. 0.1. 0.1. 1. 10. 100. 1000. Particle size (µm). R e s id u e. (%. ) ..... The wear rate measured in gram per ton of cement produced is much higher ...

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Get PriceNov 11, 2015 ... SUBJECT: SAG MILL + BALL MILL CIRCUIT SIZING ... Once the specific energy is determined, the amount of grinding power needed (at the mill shell) is found by mul- ... E is the specific energy consumption, kWh/tonne; ..... 30. SAG Mill Power. 32'. 34'. 36'. 38'. 40'. 42+. D2.5×EGL where D and EGL.

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