| 燃煤飞灰化学成分随粒度分布规律的试验研究 |
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| 引用本文： | 齐立强,原永涛,纪元勋.燃煤飞灰化学成分随粒度分布规律的试验研究[J].煤炭转化,2003,26(2):87-90. |
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| 作者姓名： | 齐立强 原永涛 纪元勋 |
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| 作者单位： | 华北电力大学环境工程系,071003,河北保定 |
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| 摘 要： | 在对国内几家电厂电除尘器收集的燃煤飞灰进行混配、筛分及全灰化等处理后，采用常量法对分电场、分粒径灰样的化学成分进行了分析。结果发现：飞灰中SiO2,Al2O3,TFeO,CaO和MgO等化学成分的含量随电场及飞灰的粒度呈一定规律分布，Al2O3含量则随着粒度的减小而逐渐增加，CaO和MgO的含量随粒度变细也有增加的趋势，针对造成这种分布规律的机理进行了初步的分析。
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| 关 键 词： | 燃煤飞灰 化学成分 粒度 分布规律 电除尘器 |
| 修稿时间： | 2003年1月19日 |
EXPERIMENTAL STUDY ON THE DISTRIBUTION LAW OF CHEMICAL COMPOSITION IN DIFFERENT SIZE FLY ASH |
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| Qi Liqinag Yuan Yongtao and Ji Yuanxun.EXPERIMENTAL STUDY ON THE DISTRIBUTION LAW OF CHEMICAL COMPOSITION IN DIFFERENT SIZE FLY ASH[J].Coal Conversion,2003,26(2):87-90. |
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| Authors: | Qi Liqinag Yuan Yongtao and Ji Yuanxun |
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| Abstract: | After blending,sifting and completely igniting fly ash gleaned in EPS of various power station,the chemical component of fly ash in different fields and grain-sizes has been analyzed by constant analysis method,and the distribution law of SiO 2,Al 2O 3,TFeO,CaO and MgO with different size of fly ash has been found out.The content of SiO 2,TfeO decrease and Al 2O 3,CaO,MgO increase gradually with the diminishing of grain-sizes of fly ash.The initial theory analysis for the distribution law has been done in this paper. |
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| Keywords: | electrostatic precipitators fly ash chemical composition size |
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