COAL GRINDING IMPS: more than meets the eye
IMPS: more than meets the eye by Dr Caroline Woywadt Rüdiger Sonnen, Gebr Pfeiffer SE, Germany Vertical roller mills are not only used for grinding cement raw materials but also find an application in grinding a wide variety of coal types in cement and power plants. Gebr Pfeiffer SE (GPSE) describes its vertical roller mills