TILTABLE MULTIPLE-STAGED COAL BURNER IN A HORIZONTAL ARRANGEMENT
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Nov 3, 2010
filing date -
Nov 3, 2010
priority date (Note) -
Abandoned
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Abstract
Horizontally arranged burners for boiler furnaces are provided where each burner includes a fuel nozzle surrounded by a secondary air outlet. The fuel nozzle and secondary air outlets may tilt in tandem with respect to an air plenum supplying inner secondary air and a fuel carrier providing fuel. Also provided are outer secondary air buckets that may independently tilt with respect to a frame connected to the air plenum. This arrangement can be installed as a retrofit in a conventional horizontal furnace system or in a newly built system. The fuel nozzle and secondary air outlet, and secondary air buckets may all tilt in unison or may all tilt independently. The tilting assists with optimizing a flame temperature profile within the furnace.
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