EnergyEfficient Technologies in Cement Grinding | IntechOpen
Other types of roller mills such as ball race mill (FullerPeters mill) and Raymond bowltype ring mill are used in coal grinding. CKP vertical pregrinder. The CKP pregrinder has been under development by Chichibu Cement and Kawasaki Heavy Industries since 1987. It has been commissioned by Technip under licence since 1993.