The portable dryer is the main unit of the mobile asphalt drum mix plant. It assures efficiency in uniformly heating and also drying the aggregates. Rotary cylinder dryer drum is mounted on sturdy platform driven by an AC motor fitted with sprocket and chain equipped with high pressure jet burner, flights, bitumen and fines piping, frame mounted exhauster fan with high efficiency dust collector fitted with screw conveyor for discharge of dust.
High pressure jet burner is capable of heating the aggregate to the required temperature without any unburnt fuel or carbon residue on the aggregate and it also reduces the moisture content of the aggregates to bare minimum. The drying and mixing device is also fitted with suitable type of thermometric instrument at proper places so as to indicate the temperature of exhaust gases, bitumen and mixture.