The air flow dryer is consisted of hot-air stove,screw feeder,buffer air pipe ... can dry the materials mainly using the hot wind produced by the hot-blast stove, the machine is applied to the ... outlet of the first drier.The drier is consisted of hot-wind stove (ready by customer), screw feeder, buffer, ... the pipe through the screw feeder, so that the hot wind and materials mix together, and the moisture ...