Description

The raw materials to be treated should distribute on the conveyer belt though suitable mechanism such as star distributor, swing belt crusher or granulator. The con veyer passer though the channel consisting of one or several heating unit. Each heating unit is equipped with air heat and circle Each channal has one or several damp discharge systerms. When the converyer passes through it, hot air will pass through the raw material from up to low or from low to up. In this way raw materials can be dried evenly.