Extinction mechanisms in pulverized coal combustion

被引：0
|
作者：
Hurt, RH [1 ]
Sun, JK [1 ]
Lang, T [1 ]
机构：
[1] Brown Univ, Div Engn, Providence, RI 02912 USA
来源：
PROSPECTS FOR COAL SCIENCE IN THE 21ST CENTURY | 1999年
关键词：
kinetics; burnout; char;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper presents a quantitative treatment of extinction events in the late stages of pulverized char combustion. These events are important as they significantly lengthen the time required to achieve very high conversion (similar to 99%), as required in commercial combustion practice. Previously observed trends in extinction as a function of gas temperature and coal rank can be understood by accounting for internal reaction, pore diffusion, and mineral effects on mass and energy transport.
引用
收藏
页码：379 / 382
页数：4
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