Stir with good results, the production of high efficiency, energy-saving effect of significantly, to facilitate the installation of maintenance, sealing, and pollution-free environment, adapt to the strong performance, and other characteristics. According to the technical specifications of the domestic advanced level. Suitable for mixed granular powder materials, such as fire-resistant mud, clay and fly ash, the end of ore, slag, sand, and other widely used non-burned free machine, refractories, ceramics and building materials industry