Absence of extra charges on design, installation and usage of aspirational equipment. Absence of extra charges on design, installation and usage of conveyor catwalks. The enclosed constructive of the conveyor is safety and doesn’t need any extra walling. Absence of extra charges on dedusting cover or on cover from athmospherical condensation. The improved design of rollers with free flange bearing, that removed from dusting zone. The special design of the conveyor doesn’t need any belt cleaning systems, because all the material returns into the main transport flow. Using the fettle of high-wear part s of discharge box with constructive sheet steel Steel Pro or polyurethane Elasturan 6025. Using of partial execution mode of transportation with low speeds(not more than 2.5m/s) and special calculated discharging system let to decrease the breakage of product on 1.5-2%.