Disclosing a kind of shortening drying time encapsulated material includes that coating is dry aqueous when deforming without reason, and the coating is dry. Using the dry coating materials of fluidized bed dryer, those contain water to this method and a coating works as water evaporation. First drying steps, including float and fluidize encapsulated material limit theorisable evaporation water contents? W so that reveal dimple or deformation does not appear in the granular materials of coating encapsulation, while surveying the exhaust of moisture or temperature from above-mentioned fluidized bed dryer And second step, measurement water content is executed later, and specified amount or the temperature of measurement is reduced to increase, gas is blasted to fluidized bed dryer, so that theorisable evaporates water content? W rises above it drying steps during the first.
