WAX RAW MATERIAL REPROCESSING APPARATUS Russian patent published in 1997 - IPC

FIELD: mechanical engineering. SUBSTANCE: apparatus has housing, flexible support mounted within housing and multisectioned detachable hollow cylinder positioned on flexible support. Screens with cells having different sizes are fixed on ends of sections within cylinder in diametrically opposed relation to longitudinal axis. Cells of lower section have maximum size values and cells of upper section have minimum size values of admissible size values. Cylinder is filled with 2-5% sulfuric acid. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 2 cl, 1 dwg