FIELD: ore bulk concentration; applicable in concentration of primary ore bulk, tailings of integrated concentration works, and also in separation of sands and other building materials into fractions by particles sizes. SUBSTANCE: plant for ore bulk concentration has two interconnected revolving screens of different diameters located coaxially in each other and having different sizes of meshes. Small diameter revolving screen inlet is connected to pulp line supplying initial ore bulk. Particle collectors are connected with outlet of revolving screens. Size of meshes of large-diameter revolving screen is larger than maximum size of useful mineral particles. Size of meshes of small-diameter revolving screen is smaller than minimal size of useful mineral. Inlet of collectors of rock coarse and fine particles is connected with water sources, and their outlet, with dump. EFFECT: simplified technology of ore bulk concentration, higher quality of concentration. 8 cl, 4 dwg
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