(a) Spray dryer with amounts of water evaporation of 0.4 kg or more and 400 kg or less per hour(b) Spray dryer that can manufacture products with an average size of 10 micrometers or less, or Spray dryer that can manufacture products with an average particles diameter of 10 micrometers or less by changing the minimum parts of the Spray dryer(c ) Spray dryer capable of internal sterilization or disinfection in a fixed position