The construction of the apparatus consists of a helical track with a constant pitch housed and fixed on a central pipe support usually built in AISI 304. The transport of materials trough an uphill motion produced by unbalanced motors which generate a boost oscillating amplitudes and frequencies subsidiaries. òThe proper calibration of the motors and the robust construction of the machine makes that the material can be transported with a layer constant and that it can remain so throughout the path up to the discharge end. This peculiarity makes the transported material can maintain a uniform layer and homogeneously distributed over the entire width of the conveying path guaranteeing, if need be, also needs a proper cooling, heating or evaporation.
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