FIELD: materials handling; pneumatic reloading of loose materials. SUBSTANCE: fitted in corners of triangular housing are individual fans, and suction branch pipes are installed in center of housing. Material passes into central branch pipe along suction pipes. Central branch pipe has screw inner surface and variable-pitch auger. Then material gets into intermediate chamber and dust precipitation chamber where it gets cleaned and after cleaning it is transported by gas flow to place of discharge. EFFECT: enhanced operation reliability. 3 cl, 4 dwg
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