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Ball Mil Roller 70 Energy Transfer Efficiency

May 01 2011nbsp018332512 Vertical roller mill VRM The energy used for the actual grinding process depends mainly on the hardness of raw materials and the type of mill used ie ball mill or vertical roller mill Typically an electrical motor of the ball mill uses about 1415 kWhtonne of raw mix On the other hand a VRM motor uses about 78 kWhtonne

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