| 多联产半焦燃烧特性的热重研究 |
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| 引用本文： | 余斌,李社锋,方梦祥. 多联产半焦燃烧特性的热重研究[J]. 动力工程, 2010, 30(3) |
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| 作者姓名： | 余斌 李社锋 方梦祥 |
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| 作者单位： | 浙江大学,能源清洁利用国家重点实验室,杭州,310027 |
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| 基金项目： | 国家高技术研究发展计划863资助项目(2007AA05Z334,2007AA050302) |
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| 摘 要： | 利用热重分析仪对热-电-气-焦油多联产工艺中煤干馏半焦的燃烧特性进行了分析,采用可燃性指数Kr、燃烧特性指数S、燃烧稳定性指数Rw、燃尽特性指数Cb及样品反应活化能考察了干馏温度对半焦燃烧特性的影响.结果表明:随着干馏温度的升高,半焦的着火性能、燃烧稳定性及总体燃烧性能变差,燃尽性能变佳,燃烧活化能增加;半焦的燃烧反应可用一级反应来描述,4种半焦的活化能在88.72～112.83 kJ/mol范围内.
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| 关 键 词： | 多联产工艺 半焦 燃烧特性 热重分析 干馏温度 |
Thermogravimetric Study on Combustion Characteristics of Semi-cokes from Polygeneration |
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| YU Bin , LI She-feng , FANG Meng-xiang. Thermogravimetric Study on Combustion Characteristics of Semi-cokes from Polygeneration[J]. Power Engineering, 2010, 30(3) |
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| Authors: | YU Bin LI She-feng FANG Meng-xiang |
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| Affiliation: | State Key Lab of Clean Energy Utilization;Zhejiang University;Hangzhou 310027;China |
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| Abstract: | The combustion characteristics of the semi-coke from coal pyrolysis in heat,electricity,gas and tar polygeneration process were analyzed by use of thermogravimetric analyzer.The effect of pyrolysis temperature on combustion characteristics of semi-coke was studied using the combustible index K_r,the combustion characteristics index S,the combustion stability index R_W,the burn-out characteristics index C_b and the reaction activation energy of the samples.Results show that with the increase of pyrolysis tem... |
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| Keywords: | polygeneration process semi-coke combustion characteristics thermalgravitric analysis pyrolysis temperature |
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