1. Moisture dispersion: It is the possibility of wet and cold surface and dry matter. In the flash dryer, according to the mechanical equipment disperser, feeder and crusher and other dispersers, the dried commodities are mixed and kept in the feed.
2. Desiccant: used for rapid drying, high temperature and original temperature can be used. Because of the fast contact speed, all of this is possible, so unless all surface moisture is removed, the temperature of the product will not easily exceed the humidity of the steam.
3. Stirring: In the flash dryer, stirring or percolation is carried out according to the high steam rate, and the steam film continues to be eliminated from the wet and cold particles. As a result, moisture removal is practically instantaneous.
4. Particle structure: The raw material with capillary tube can quickly release moisture from the internal area to the surface layer, which may produce a rapid drying effect. High-density particles without gaps cannot be dried in a rapid drying system.
5. Particle size distribution: Drying is based on volatilization from the surface of the particles. Therefore, in order to remove the internal moisture, the moisture must reach the surface according to external diffusion; obviously, smaller particles will migrate quickly.
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