In the cement industry, the roller mill has been established for decades in the fields of raw material and coal grinding, but in the recent years the roller mill has also been successfully introduced for grinding granulated blast furnace slag and cement. The main advantages of the Polysius roller mill are the simple operation of the grinding plant with the ability to simultaneously grind and dry moist granulated blast furnace slag or composite cements with high contents of moist admixtures without any problem, the outstanding operating economy, the great flexibility when changing over between different product qualities, highest finish product qualities and a convincing wear protection concept. The outstandingly good properties compared with the local competition are rewarded by a strong demand for this roller mill cement.
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