Rotary furnace burner
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United States of America Patent
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May 28, 2013
Grant Date -
Sep 4, 2008
app pub date -
Nov 8, 2006
filing date -
Nov 11, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A rotary kiln burner particularly for fine-grained solid fuels such as coal dust, with jet air nozzles which can be adjusted easily and effectively during operation of the kiln in order to change the divergence angle of the high-speed jet air streams to change the flame shape and optimize the combustion. The jet air nozzles are attached with the nozzle openings divergent to the burner axis at the end of jet air pipes. The nozzle openings are arranged around the burner axis, with the axes parallel, with the jet air pipes arranged inside an annular cooling air space surrounding the coal dust channel and enclosed on the outside by the burner housing pipe. The nozzle openings are mounted so that they can rotate around the jet air pipe axes, so that on turning the jet air pipes at the cold end of the burner lance, the divergence of the high-speed jet air streams, and thus the angle of the jet air flow angle of the jet air flow cone angle of the jet air flow cone in relation to the coal dust cone, can be changed and adjusted.
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