Roller mill
JOYAL High Pressure Mill is an improved type of Raymond mill. The purpose of the this kind mill is to grind nonflammable and nonexplosive materials in the fields of building materials, mining, metallurgies and chemical industry with hardness less than in Mohs scale and humidity less than 6 percent. Examples of the materials are: quartz, feldspar, barite, fluorite, dolomite, garnet ...