Powder grinding equipment is mainly used for grinding non-flammable and non-explosive materials whose Moh’s hardness is below 9.3 and humidity less than 6% such as cement, quartz, feldspar, barite, calcite, gypsum, limestone, dolomite, talc, marble, fluorite, activated clay, activated carbon, bentonite, kaolin, phosphate rock, glass and thermal insulation material in building material, chemistry, fertilizer, metallurgy, mine, refractory, ceramics, steel, thermal power and coal industry.