Multilayer continuous type mesh belt dryer for herbal medicine is one type of cross-flow and continuous drying equipment. It is suitable to drying the piece, tape and particle state materials with good ventilation, and especially for those materials, such as evaporate vegetables, herbal medicine of traditional Chinese medicine which the water content rate is high and the high temperature is not allowed. Its drying speed is high, the evaporation strength is high and the product quality is good. The evaporate filtering cake state paste materials can be dried after it is made of particle making or bar.
The moist powder layer is vibrated on an air distributor plate. The effect of the vibration combined with the upward and forward directed flow of drying air through the perforated plate create ideal processing conditions and powder transport. Thanks to the vibration, it is possible to operate with fluidized powder layers of less than 200 mm. This gives a narrow and swift controlled residence time whilst avoiding attrition.