It is a device to enrich various minerals like carbon, coke, etc. in one compartment. Equipped with one piston, with cross sectional dimensions 75×100 mm, drived by an eccentric crank shaft on a water basin and enrich the material through a screen deck. The pulse rate infinitely variable from 0 to 300 rpm by an electronic motor speed controller. Provided with five square opening wowen wire mesh stainless steel sieves with sizes 1 mm, 2 mm, 3 mm, 4 mm, 5 mm. Nominal capacity up to 5 kg/h (depending on the type and size of material). Electrical Motor 0,75 hp, 1400 rpm, 220 V, 3 p, 50 Hz.