| 华亭煤自燃特征温度的TG/DTG实验 |
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| 引用本文： | 张嬿妮,邓军,文虎,李士戎.华亭煤自燃特征温度的TG/DTG实验[J].西安科技大学学报,2011,31(6). |
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| 作者姓名： | 张嬿妮 邓军 文虎 李士戎 |
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| 作者单位： | 1. 西安科技大学西部矿井开采与灾害防治教育部重点实验室,陕西西安,710054
2. 西安科技大学西部矿井开采与灾害防治教育部重点实验室,陕西西安 710054;阳泉市公安消防支队,山西阳泉 045000 |
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| 基金项目： | 陕西省教育厅科计项目，教育部创新团队项目，陕西省自然科学基金 |
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| 摘 要： | 选取华亭煤作为研究对象,通过X射线衍射和不同氧化条件下的热重分析(TG-DTG)实验,分析计算了煤样的微晶结构参数,掌握了煤样结构特征,并运用非等温动态热重法和微商热重分析手段,研究分析了煤氧复合过程,得到了煤样自燃过程中的特征温度.研究表明,华亭煤样热失重和失重速率曲线变化反应了煤氧复合过程中物理吸附、化学吸附和化学反应的不同历程,煤氧复合过程及复合程度可以用特征温度点来表征.
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| 关 键 词： | 自燃 热重分析 特征温度 |
TG/DTG research on spontaneous combustion characteristic temperature of coal sample of Huating mine |
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| ZHANG Yan-ni,DENG Jun,WEN Hu,LI Shi-rong.TG/DTG research on spontaneous combustion characteristic temperature of coal sample of Huating mine[J].JOurnal of XI’an University of Science and Technology,2011,31(6). |
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| Authors: | ZHANG Yan-ni DENG Jun WEN Hu LI Shi-rong |
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| Institution: | ZHANG Yan-ni1,DENG Jun1,WEN Hu1,LI Shi-rong1,2 (1.Key Laboratory of Western Mine Exploitation and Hazard Prevention of Ministry of Education,College of Energy Science & Engineering,Xi'an University of Science and Technology,Xi'an 710054,China,2.Yangquan Fire Bureau,Yangquan 045000,China) |
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| Abstract: | Taking coal of Huating mine as sample,the X-ray diffraction and Thermogravimetric Analysis(TGA) under different oxidation condition are carried out,the microcrystalline structure parameters are calculated and analyzed,the coal sample structure characters are understood.The nonisothermal dynamic thermal gravimetric method and micro business thermogravimetric analysis method are used in research on coal-oxygen composite process to analyze the characteristic temperature during coal spontaneous combustion.Resul... |
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| Keywords: | coal spontaneous combustion thermogravimetric analysis characteristic temperature |
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