Secant As Well As Tangent Heap Walls

The aspects that contribute to the piling contractors in north west discharge problems are primarily moisture web content of aggregates, quantity of fines in RAP material and the reasonably long time of exposure of the aged binder to the created warm vapor. Regarding the application of the third approach in constant plants, a typical innovation is the parallel flow drum mixer, which permits the introduction of RAP accumulations at the halfway point. This option predicts the introduction of virgin accumulations at the front of the heating drum, which form a dense shroud of dropping product that safeguards the RAP accumulations to a direct contact with heater fire.