This series of vertical sand mills consists of the fuselage, main drive, disperser, feed pump, continuously variable transmission, cooling system, electrical appliances and so on. It is widely used in high-efficiency dispersion grinding of paints, dyes, inks, pesticides, magnetic tapes, papermaking, leather chemicals, etc. It has simple structure, stable starting, stepless speed regulation of feeding, high continuous production efficiency, convenient color change, easy cleaning and operation. Simple and other advantages.