Title :
The Influence of Pulverized Coal Size on Nitrogen Oxides Emission Performance from Pulverized Coal Combustion
Author :
Hao, Xiaohong ; Jin, Jing
Author_Institution :
Sch. of Energy & Power Eng., Univ. of Shanghai for Sci. & Technol., Shanghai, China
Abstract :
Mathematical simulation and experimental study for the influence of pulverized coal size on NOx emission performance in a bench scale furnace have been done. The results show that there exists a critical diameter (dc). If d < dc, the NOx concentration reduces with the decrease of pulverized coal size. If d > dc , the NOx concentration reduces with the increase of the pulverized coal size. The concentration of NOx is reduced for superfine pulverized coal whether in the oxidative circumstance or in the reductive circumstance. The quantity of NOx released from superfine pulverized coal decreased obviously for lignite, but decreased little in some sort for anthracite. Overall reasonable agreement between the simulating and experimental results for NOx release behavior is obtained.
Keywords :
combustion; particle size; pulverised fuels; bench scale furnace; mathematical simulation; nitrogen oxides emission performance; pulverized coal combustion; pulverized coal size; Air pollution; Boilers; Combustion; Extraterrestrial measurements; Furnaces; Nitrogen; Numerical simulation; Pollution measurement; Temperature control; Temperature measurement;
Conference_Titel :
Power and Energy Engineering Conference (APPEEC), 2010 Asia-Pacific
Conference_Location :
Chengdu
Print_ISBN :
978-1-4244-4812-8
Electronic_ISBN :
978-1-4244-4813-5
DOI :
10.1109/APPEEC.2010.5448342
