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

fYear

2010

fDate

28-31 March 2010

Firstpage

1

Lastpage

4

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;

fLanguage

English

Publisher

ieee

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

Type

conf

DOI

10.1109/APPEEC.2010.5448342

Filename

5448342