Raymond Mill is a type of grinding mill that is widely used to grind non-flammable and non-explosive materials like barite, calcite, potash feldspar, dolomite, gypsum, talcum, mica, marble, limestone, kaolin, clay, coal etc. It was invented by Raymond Brothers in 1925 and is now owned by Alstom Power and Air Preheater. The main components of a ...