A hot mix asphalt (HMA) or warm mix asphalt (WMA) plant features material transfer by shear action of segmented screws and directional flights standing on an inner drum. Indirect convective material heating is initiated by a heating source located inside of the inner drum. Material mixing, heating, melting, and uniform coating, all take place as a single simultaneous process. As the result of processing, regular HMA (or WMA) or up to 100% RAP (or ARS) recycled HMA (or WMA) can be produced. Man...
US-9566557-B2
US-9566557-B2 • February 2017 • Manufacturing & Industrial
Hot (or warm) mix asphalt plants capability of producing up to 100 percent RAP (or ARS) recycled asphalt mixes