DUST CONVEYANCE SYSTEM Russian patent published in 1995 - IPC

FIELD: conveyance of pulverized materials. SUBSTANCE: system uses dust hopper dust feeder vertical (or with inclined section) dust chute, duct with mixing unit, dust-air ejector with central nozzle located in dust chute in alignment with it, ejector-type flow agitator with central nozzle located in the initial section of dust duct, air chamber, air-feed pipe connection with cut-off gates connected to compressed air manifold. Ejector eliminates conditions creating the excess pressure in dust-chute and provides stabilization of dust flow in the initial section of dust chute under feeder. EFFECT: enhanced efficiency. 1 dwg