LOOSE MATERIAL CLASSIFICATION METHOD Russian patent published in 2004 - IPC

FIELD: chemical, microbiological and food industries and agriculture.

SUBSTANCE: proposed methods comes to repeated delivery of material layer onto rough inclined plane. Slipping off layer is divided into thee parts in height. Repeated delivery of material is provided by its passing though corresponding number of planes. Layers are transferred in counter-flow after each plane along its lower edge, and fractions are separated after last plane.

EFFECT: increased capacity and improved quality of classification, reduced mixing of material at its repeated delivery to separating plane.

1 ex, 2 dwg