Rotary kiln
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United States of America Patent
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-
Feb 15, 1994
Grant Date -
N/A
app pub date -
Nov 18, 1992
filing date -
Jul 24, 1992
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rotary kiln with primary air feed at the end wall of the rotary kiln is distinguished by the feature that at least two primary air nozzles are oriented relative to each other and to the fuel bed so that two oppositely directed vortices are generated within the rotary kiln, the axes of rotation of said vortices extending substantially parallel to the axis of the rotary kiln and said vortices rotating about said axes of rotation so as to promote the thermal convection-induced motion of the combustion gases.
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