The Effect of Burner Scale on NO sub(x) Emissions from a Swirl Stabilized Pulverized Coal Burner

The Effect of Burner Scale on NO sub(x) Emissions from a Swirl Stabilized Pulverized Coal Burner

The effect of scale on nitrogen oxides emissions from swirl stabilized pulverized coal flames was investigated using three burner scales in the 0.9-3.4-Mw range. Each burner was geometrically similar and constant velocity was used as the primary aerodynamic scaling criterion. Furnace exhaust NO sub(...

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Veröffentlicht in:Fuel (Guildford) 1990-11, Vol.69 (11), p.1350-1350
Hauptverfasser: Smart, John P, van de Kamp, Willem L, Morgan, Mark E
Format: Artikel
Sprache:eng
Schlagworte:
air pollution
burners
coal conversion
combustion
combustion products
flames
fuels
furnaces
nitrogen oxides
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Zusammenfassung:The effect of scale on nitrogen oxides emissions from swirl stabilized pulverized coal flames was investigated using three burner scales in the 0.9-3.4-Mw range. Each burner was geometrically similar and constant velocity was used as the primary aerodynamic scaling criterion. Furnace exhaust NO sub( x) emissions marginally increased with increasing burner scale, a trend explained in terms of the effect of scale on the mixing rate between fuel and air and the consequential effect on the in-flame chemistry.
ISSN:0016-2361