FIELD: treatment of solid dispersed substances with fluid, particular, devices for conducting the processes of leaching, washing dissolving in contact of fluid with solid grainy material. SUBSTANCE: device for treatment of grainy material with fluid medium consists of body, systems for loading and unloading of grainy material, and grinding device. Novelty in the device consists in availability of branch pipes, drive shaft running through body and branch pipes. Mounted on the shaft are reversing drums with hoses wound on them. Hose ends are turned inside out and secured to the respective branch pipes. Body hollow is filled with working agent. EFFECT: simplified design and higher productivity of the device. 1 dwg
