Shaft furnace feed device
AssigneeS.A. des Anciens Etablissements Paul Wurth
InventorsRene N. Mahr, Aloyse J. Engel
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Abstract
The service life of the components of a bell-less shaft furnace charging installation is enhanced by controlling the trajectory of charge material delivered thereto to obtain an essentially entirely vertical discharge from a discharge funnel through a feed channel to the furnace. Also, erosion of the wall of the discharge funnel is minimized by creating an annular build up of charge material about the discharge end of the funnel, the material build up extending along the funnel wall to at least the impact region of freely falling charge material delivered thereto.
Claims11
In a furnace charging installation, the installation including at least a first storage hopper and a movable distribution chute, the charging installation also including a discharge funnel and a feed channel which serially guide charge material released from the hopper to the chute, the improvement comprising:
- a tubular plug positioned in the small diameter end of the discharge funnel, said plug extending upwardly into the funnel in spaced relationship to the inner wall thereof to define a cavity for receiving and holding charge material between the outer wall of said plug and the inner wall of said funnel whereby an accumulation of charge material is caused to form about the smaller diameter discharge end of the funnel, the accumulated charge material extending upwardly along the funnel wall at least to the region of impact of freely falling material released into the funnel from the hopper.
Dependencies are inferred from the claim text.