FIELD: chemical industry, particular, devices for conducting the processes involved in leaching and dissolving in contact of fluid with grainy material. SUBSTANCE: device for treatment of grainy material with fluid has body, mixing member, branch pipe for admission of fluid, branch pipes for admission and discharge of grainy material. Novelty consists in that the mixing member is made in form of branch pipe connected with body and having holes for discharge of fluid. Passed through branch pipe is rope whose ends are wound of drums attached to the shaft with reversing drive. Rope is passed through the central hole of cylindrical ring. EFFECT: reduced power consumption. 1 dwg
