FIELD: cellulose filament washing equipment. SUBSTANCE: apparatus has hollow housing, stationary washing grid, liquid collecting chamber defined by grid and housing, devices for supplying pulp flow and washing liquid and discharge of liquid exiting through washing grid. Apparatus is further provided with rotor for generating high-frequency low-amplitude pulses in pulp flowing along grid having cylindrical surface. Washing grid is made in the form of shell. Cylindrical surface of rotor is provided with hemispherical projections extending outside. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 5 cl, 2 dwg
