采用热重分析法研究煤自燃过程的特征温度  

Research on characteristic temperature in coal spontaneous combustion with thermal gravity analysis method

作　　者：肖旸[1] 马砺[1] 王振平[1,2] 邓军[1] 王威[3] 向欣[4] 

机构地区：[1]西安科技大学能源学院 [2]兖州煤业股份有限公司,山东邹城272100 [3]中国人民武装警察部队学院消防工程系 [4]达州恒成集团

出　　处：《煤炭科学技术》2007年第5期73-76,共4页Coal Science and Technology

基　　金：国家"十五"科技攻关项目(2005BA813B08);国家教育部新世纪优秀人才支持计划项目(NECT050874)

摘　　要：采集兴隆庄矿煤样,分别选取不同的升温速率、氧浓度、粒度等试验条件进行热重分析(TG),得出了75条相应的TG和热重微分(DTG)曲线,通过分析得出了煤自燃过程的7个特征温度,并确定出了相应的温度范围,为研究煤自燃氧化提供了具体的依据。Coal samples were collected from Xinglongzhuang Mine.The thermal gravity analysis(TG) on the coal samples was conducted with the test conditions of different temperature going up rate,different oxygen density and different particles.75 related TG and DTG curves were obtained from the analysis.With the analysis,7 characteristic temperatures of the coal spontaneous combustion process were obtained.The related temperature ranges were set,which would be the certain basics for the study of the coal spontaneous o...

关 键 词：煤 自燃过程 特征温度 热重分析法 

分 类 号：TQ534[化学工程—煤化学工程]