| 徐建,章祥林,靳廷甲.Fe2O3 和MnO2对淮北矿区高灰分煤燃烧特性[J].安徽建筑大学学报,2015,23(5): |
| Fe2O3 和MnO2对淮北矿区高灰分煤燃烧特性 |
| Effects of Fe2O3 and MnO2 on combustion characteristics of high ash coal from Huaibei mining area |
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| DOI：10.11921/j.issn.2095-8382.20150513 |
| 中文关键词: 高灰分煤 热重分析 动力学 |
| 英文关键词: high ash coal thermogravimetry analysis kinetics |
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| 中文摘要: |
| 通过热重分析法研究了Fe2O3 和MnO2对高灰分煤燃烧性能与动力学特性的影响，结果表明Fe2O3 和MnO2能提高煤粉的着火和燃尽指数；利用Coats-Redfern积分法对试样燃烧过程进行动力学分析，发现Fe2O3 和MnO2均可降低煤粉燃烧反应的活化能；燃烧灰渣SEM图表明Fe2O3 和MnO2可以改变煤燃烧的反应历程，使燃烧更充分。 |
| 英文摘要: |
| Effects of Fe2O3 and MnO2 on combustion and dynamic characteristics of high ash coal is investigated by thermogravimetric analyzer ,the result show that the Fe2O3 and MnO2 can improve the ignition and burnout index;The Coats-Redfern integral method is used for combustion process in the dynamic analysis and show that the Fe2O3 and MnO2 can lower activation energy;Slag SEM profiles indicate that the Fe2O3 and MnO2 can change the combustion process of coal ,making the combustion more efficiency |
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