Combustion burner and boiler
Number of patents in Portfolio can not be more than 2000
United States of America
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Mar 31, 2020
Grant Date -
Feb 1, 2018
app pub date -
Mar 17, 2016
filing date -
Mar 17, 2016
priority date (Note) -
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Abstract
In this combustion burner and boiler, interference of ignition in a flame stabilizer is suppressed and flame stabilizing performance is improved by providing: a fuel nozzle which ejects a fuel gas that is a mixture of pulverized coal and air; a combustion air nozzle which ejects a fuel gas combustion air from outside of the fuel nozzle; a secondary air nozzle which ejects secondary air from the outside of the combustion air nozzle; and a flame stabilizer which comprises a first flame stabilizer main body which is arranged at the leading end of the fuel nozzle and separated by a prescribed space from the inner wall surface of the fuel nozzle and which forms a ring shape having as the center an axial line along the ejection direction of the fuel gas.
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