Rotary flash dryer has been applied to chemical, food, medicine, building materials, feed and other industries. Domestic manufacturers of rotary flash dryers are also more, but most of the products are the same, and in recent years the speed of technological progress is slow.
  Recently, a new drying equipment, superfine powder drier, is developed and developed. This kind of dryer can be said to be a substitute for rotary flash. It is a multifunctional dryer, which combines drying, crushing and grading. It is better than rotating flash. The crushing capacity and treatment of this kind of equipment are two times of reunion. The material is capable of drying the materials that can not be dried by the rotary flash dryer, and can be used for the drying of materials with strict requirements such as superfine and nanoscale particles.
  At present, the machine has been successfully applied to the drying of nano calcium carbonate, nano aluminum hydroxide, micro powder grade aluminum hydroxide and nano magnesium hydroxide, and has opened the prelude of industrial application.
  The basic principle of the superfine powder dryer is through the super crushing capacity of the high-speed agitator, the particle size control of the material and the re breaking effect on the two reunion material, and the large relative motion between the rotating air and the material particles is produced, thus the principle of heat and mass transfer is strengthened to complete the drying of the material. Its unique advantages are the high speed crusher installed at the bottom and the adjustable classifier on the top, which can easily control the particle size of the product. Its structure is more advanced and the maintenance and maintenance is more convenient. Thus, the nano ultrafine powder dryer has a stronger crushing and dispersing ability, and is very suitable for the drying of superfine materials.