Raymond Mill usually called raymond pulverizer is a ground-based grinding crushing machinery. Raymond Mill has the advantages of stable performance, convenient operation, low energy consumption, product size of a wide adjusting range, thus widely used in coal, coke, gypsum, limestone, steatite, graphite, bentonite, kaolin, sulfur and pigments, chemical raw materials, chemical fertilizer, pesticide and other fine grinding. Raymond mill 's feed size is generally 15 to 20mm, grinding particle size is usually 0.044 -- 0.125mm.