| 煤氧化过程中指标性气体的确定 |
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| 引用本文： | 蒋春林,杨胜强,宋万新,牛杰,王凤双.煤氧化过程中指标性气体的确定[J].煤矿安全,2012,43(10):185-187,191. |
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| 作者姓名： | 蒋春林 杨胜强 宋万新 牛杰 王凤双 |
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| 作者单位： | 中国矿业大学安全工程学院,江苏徐州221008 煤炭资源与安全开采国家重点实验室,江苏徐州221008 |
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| 基金项目： | 国家自然科学基金资助项目(51174198);国家自然科学基金重点资助项目(50834005) |
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| 摘 要： | 利用电加热炉对煤样进行氧化升温实验,对不同温度下煤样所释放的气体浓度利用气相色谱仪进行测定,对煤样温度、O2浓度、各气体浓度之间的关系进行分析和研究,确定该煤层各氧化阶段的指标性气体,对煤层自然发火预测和自燃火灾的防治具有重要的指导意义。
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| 关 键 词： | 氧化升温 指标性气体 预测 自燃 |
Determination of Index Gas in Coal Oxidation Process |
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| Affiliation: | JIANG Chun-lin1,2,YANG Sheng-qiang1,2,SONG Wan-xin1,2,NIU Jie1,2,WANG Feng-shaung1,2(1.School of Safety Engineering,China University of Mining and Technology,Xuzhou 221008,China; 2.State Key Laboratory of Coal Resources and Safety Mining,Xuzhou 221008,China) |
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| Abstract: | Using electric heating furnace to carry out oxidation temperature test of coal sample,and taking gas chromatograph to measure gas concentrations of coal sample which released at different temperatures,the paper analyzes and studies coal sample temperature,oxygen concentration and the relationship among different gas concentrations,and determines the index gases of various oxidation stages of this coal seam,which has the important guiding significance to prediction and prevention of spontaneous combustion. |
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| Keywords: | oxidation temperature increasing index gas forecast spontaneous combustion |
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