Spray drying system for preparing traditional Chinese medicine decoction pieces

The utility model discloses a spray drying system for preparing traditional Chinese medicine decoction pieces, which comprises a drying tower, an air blower, an air heater, a material barrel, a cyclone separator and an atomizer, and the drying tower consists of a tower body, an air inlet cavity and a cone which are integrally formed; an annular air distribution plate is arranged at the bottom of the air inlet cavity; the air inlet end of the blower is connected with the air purifier, and the air outlet end is connected with the air heater through an air pipeline; the air outlet end of the airheater is connected with the air inlet cavity through a hot-air pipeline; the atomizer is connected with the material barrel through a conveying pipe; the material conveying pipe penetrates through the annular air distribution plate and the air inlet cavity; the drying tower is sleeved with a cooling cavity, and the cooling cavity is provided with an air inlet end and an air outlet end; the gas inlet end is connected with