Particulate material feeding apparatus and process

Details Particulate material feeding apparatus and process Particulate material feeding apparatus and process

B - Operations, Transporting

01

J

B01J 4/00 (2006.01) B05B 7/14 (2006.01) B65G 53/14 (2006.01) B65G 53/66 (2006.01) C21C 7/00 (2006.01) G05D 11/00 (2006.01)

Patent

CA 2178463

The invention relates to an apparatus and process for feeding at a controlled rate a free-flowing particulate material entrained in a carrier gas, the apparatus including a gastight closed supply vessel for holding a supply of material, a riser tube inside the supply vessel, the bottom end of which is open near the bottom of the supply vessel and faces a venturi nozzle connected or adapted to be connected to a propellant gas supply, a bend at the top end of the riser tube leading by way of a duct outside the supply vessel and an upwardly directed aperture at the beginning of the bend inside the supply vessel in axial alignment with the riser tube.

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