Steel belt drying machine will have to deal with material spread through appropriate institution, such as star, swinging with the case, mill or granulator, distribution in the steel belt, steel belt through one or several heating unit of channels, each heating units are equipped with air heating and circulation system, each channel has one or more rows of wet system, in the steel strip by the hot air from above or from down to up by steel belt material, which material can dry evenly.

Perforated steel strip used for tunnel drier