DEVICE AND METHOD OF INERTING TOXIC MATERIALS BY PLASMA MELTING
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United States of America Patent
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Issued Date -
Jul 15, 2010
app pub date -
Nov 21, 2007
filing date -
Nov 27, 2006
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Abandoned
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Abstract
The present invention pertains to a process and an device for plasma fusion inertizing of toxic materials, consisting of a melting vessel having an internal volume defined by walls. At least one non-transferred arc plasma source intended to generate a lance of plasma is inclined toward the lower part of the melting vessel and propagated along an axis of propagation situated outside of the vertical plane containing the normal to the wall at the point of intersection of said propagation axis with said wall so as to agitate the melting bath. The melting vessel is in fluid communication with the upstream part of a refining and pouring vessel and consists of an opening to which a non-transferred arc plasma source is connected, said source being mounted so as to emit a plasma lance to strike the refining bath directly in said upstream part.
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