| 摘要 |
The present invention refers to a device (1), and to the use thereof, apt to feed powdered substances or the like onto the surface (4) of a metal-slag bath (2, 3) inside of a reactor in a particularly effective manner, comprising: means (5, 6, 7, 8) apt to feed powdered substances or the like comprising a channel (5) formed in a tubular body (6) having, at the proximal end thereof, at least one opening (7); means (9, 10, 11) for the thermal and the chemical protection of the channel (5); and means for positioning said at least one opening (7).
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