... suitable for filtering poisonous and inflammable materials 3) Widely used in chemical, pharmaceutical, food, light industry and other trades 4) Most ... , soda, rubber additives, dye, plastic raw material, soap, grease, resin, salt, gourmet powder, food additives, vitamins,herbicides, insecticides and dewatering ... out of the machine 5) The solid is left in the rotary drum 6) After the machine is stopped, ...