Cement mill - WikipediaA cement mill is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement. Most cement is currently ground in ball mills and also vertical roller mills .. The mills are sized to cope with peaks in market demand for cement. In temperate countries, the summer demand for.ball mills in cement industry,Cement industry · Christian PfeifferChristian Pfeiffer products for the cement industry. Mills. Ball Mills · Roller Presses · Vertical Mills. Mill equipment. Liners · Drying chamber elements.