%0 Journal Article
%T The Study of Numerical Simulation of Oxygen- enriched Burner System
%A Yuesheng Fan
%A Pengfei Si
%J CFD Letters
%D 2010
%I ISSR
%X In order to reduce overall fuel consumption, or partially substitute a ¡°valuable¡± fuel with a  poor one, in electric power plant boilers, oxygen enrichment of combustion air can be very  effective. The paper proposes an oxygen-enriched ignition system which based on the  existing pulverized coal fired boiler ignition devices. Small coal particle is suitable for this  system. The new burner includes inside, outside and middle casings. And it transfer heat in  two ways of downstream and upstream. The burner has authorized a patent in China. A  numerical simulation theory were used to analysis it. The results indicate that: it can  increase the maximum burning velocity     and the average burning  velocity  , and decrease ignition temperature Ti and burnout temperature Tb of  pulverized coal. In addition, the pulverized coal fired boilers are easier to be ignited and the  comprehensive combustibility index S is improved. At the same time, it demonstrates that it  is an effective way to warm-up the pulverized coal in ignition of the boiler in the power  plant.
%K oxygen-enriched
%K combustion
%K boilers
%K pulverized coal
%U http://www.issres.net/journal/index.php/cfdl/article/view/S2180-1363%2810%2924197X/83