Method and apparatus for improving boiler combustion
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United States of America Patent
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Oct 16, 2012
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N/A
app pub date -
Mar 4, 2009
filing date -
Jul 3, 2003
priority date (Note) -
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Abstract
A combustion air system for a recovery boiler is described in which multiple levels of secondary and tertiary combustion air ports each have an even number of ports, with the ports on opposing walls interlaced. The air system lends itself equally well to front/rear wall or sidewall applications and is especially beneficial for rectangular boilers. The air system features large and small-scale horizontal circulation zones superimposed on each other and the ability to adjust the angle of the air jets. Additional features include port dampers for the starting burners and system control based on kinetic energy.
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