FIELD: devices for concentration, separation and thickening of grainy materials; applicable in mining, construction, chemical and other industries engaged in processing of mineral raw materials and production wastes. SUBSTANCE: plant includes metal structure carrying feed bin and several sections located on below another and consisting of classifying cylindrical-conical vessels and draining chambers whose cross-section areas rise from top downward inversely to hydraulic size of particles of material, and branch pipes for discharge of thickened products of classification. Metal structure is made in the form of closed tubular system for possible supply of water into system from main pipeline. Secured to closed tubular system are supporting seats of cylindrical-conical vessels and branch pipes for supply of water to each cylindrical-conical vessel for their filling and washing. EFFECT: extended operation and engineering potentialities of claimed plant. 2 dwg
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