| 煤粉物化特性对燃烧后灰颗粒物的影响 |
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| 引用本文： | 吕建燚,李晶欣. 煤粉物化特性对燃烧后灰颗粒物的影响[J]. 燃料化学学报, 2011, 39(6): 419-424 |
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| 作者姓名： | 吕建燚 李晶欣 |
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| 作者单位： | School of Environmental Science and Engineering, North China Electrical Power University, Baoding 071003, China |
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| 基金项目： | 华北电力大学博士学位教师科研基金(200712007) |
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| 摘 要： | 以三种煤粉在沉降炉中做燃烧实验，用Andersen粒子撞击器分离并捕集燃烧后的灰颗粒物，借助于压汞仪、扫描电镜及能谱、ICP-AES等对煤粉及分级颗粒物进行检测，研究煤粉物化特性对灰颗粒物的粒径分布、形貌、组成、痕量元素的富集等特性的影响。结果表明，煤粉孔结构、组分的赋存方式及含量等影响其破碎行为及组分迁移、转化的过程...
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| 关 键 词： | 煤粉燃烧 物化特性 颗粒物 痕量元素 |
| 收稿时间： | 2010-08-17 |
Influence of coal physicochemical properties on ash particulate matter after coal combustion |
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| L Jian-yi,LI Jing-xin. Influence of coal physicochemical properties on ash particulate matter after coal combustion[J]. Journal of Fuel Chemistry and Technology, 2011, 39(6): 419-424 |
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| Authors: | L Jian-yi LI Jing-xin |
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| Affiliation: | L(U) Jian-yi,LI Jing-xin |
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| Abstract: | Three coals were combusted in a drop tube furnace.An Andersen particle sizing impactor was employed to separate and collect the ash particulate matter(PM) after coal combustion.Mercury injection apparatus,SEM-EDX,ICP-AES were taken to detect the tested coals and graded ash PM.The effect of coal physicochemical properties on ash particle size distribution(PSD),appearance,constituents and enrichment of trace elements of PM was examined.The results show that the pore structure of coals,occurrence characteristi... |
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| Keywords: | pulverized coal combustion physical-chemistry features particulate matter trace elements |
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