Plant for the thermal treatment of material and operation process thereof
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United States of America Patent
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-
Jun 7, 2005
Grant Date -
Apr 29, 2004
app pub date -
Dec 17, 2001
filing date -
Dec 19, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The plant for the thermal treatment of material, in particular scrap material, comprises at least a reaction zone within a rotary kiln having the longitudinal axis inclined of an angle in the range 0°±45° with regard to an horizontal plane and provided of first heating means and of at least a rotary screw having second heating means. The screw shaft is hollow and has, at least locally, apertures allowing the flow of gas from and/or into the reaction zone, a plurality of thermally conductive particles being movable within the reaction zone.
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