This equipment is used to dry the solid liquid such as liquor and suspending liquid by spraying.In the tower the materials can be heated in short time and evaporated quickly and the temperature of heat exchanger is lower so that it has little impact on the solubility, color, flavor and nutrition of the product. Therefore, this equipment can be widely used in the industries of food, medicine and chemical products, especially suitable to dry the heat-sensitive materials by spraying such as thick milk, soy milk, egg liquid, blood meal, medicament, yeast and food additives.