Improvements in the construction of criba drum dryers for the drying of heavy desictation material (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the construction of screen drum dryers for the drying of heavy desiccation material such as fiber fiber webs or other heavy materials in the wet state with a number of screen drums over which the material is placed superimposed freely and retained only by the suction draft alternatively driven on the upper and lower faces of the drums whereby the part of the envelope of the screen drums not covered by the fibrous material is for example bound by sheets against the outside air and the material is transferred from one drum to the next immediately characterized in that the minimum distance from the wall of one of the drums to the vertical plane by the axis of the drum that rotates oppositely is the greater the higher the air velocity required for the retention of the fibrous material on the drum shell and this in such a way that the distance is calculated according to the empirical formula (e/d) x 100 = 8 vs v air velocity in the fleece in m/sec. And d the diameter of the measured drum in the same unit of measure. (Machine-translation by Google Translate, not legally binding)