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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与，应助指数 +1
zjf7109: 金币+20, ★★★★★最佳答案 2014-04-16 10:38:44
oven1986: 检索EPI+1, 感谢应助，鼓励一下！ 2014-04-16 12:11:44
sci检索到了：
http://apps.webofknowledge.com/f ... age=1&doc=1
Experimental research on the activation energy analysis of coal spontaneous combustion based on DSC
作者:Zhu, JF (Zhu, Jianfang)[ 1,2 ] ; Gao, L (Gao, Liang)[ 1,2 ] ; Liu, HY (Liu, Haiyun)[ 1,2 ]
DISASTER ADVANCES
卷: 6
页: 278-283
特刊: 6
出版年: DEC 2013
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摘要
The proneness to spontaneous combustion can reflect the complexity of coal spontaneous combustion. It should be a process amount that can reflect the changing process of coal from the initial oxygen uptake thermogenesis to the beginning of accelerated oxidation. And the activation energy is exactly the process indicator which can weigh the complexity of this process. Therefore, this paper has collected some coal sample from the 15th coal seam of Jiarui coal mine, and used the differential scanning calorimeter to conduct the low-temperature oxidation thermoanalysis experiment of coal under the condition of different coal particle size, different heating rate and different oxygen concentration. According to Arrhenius equation, we have analyzed the characteristics of coal oxidation reaction and deduced the computing method of activation energy of the coal low-temperature oxidation process. According to the method we have calculated activation energy of the coal low-temperature oxidation process under the different experimental conditions. The experimental result shows that the smaller the coal particle size is, the smaller the predictive value of coal activation energy will be, and the easier to catch fire, namely the spontaneous combustion tendency will increase. And the bigger the heating rate is, the bigger the predictive value of coal activation energy will be. The coal activation energy is increased along with the oxygen concentration decreasing, namely the spontaneous combustion tendency will decrease.
关键词
作者关键词:activation energy; differential scanning calorimeter; particle size; ratio of nitrogen-oxygen
KeyWords Plus:LOW-TEMPERATURE OXIDATION; CARBONACEOUS STOCKPILES; AIR
作者信息
通讯作者地址: Zhu, JF (通讯作者)
North China Inst Sci & Technol, Hebei Prov Key Lab Mine Disaster Prevent & Contro, Yanjiao 065201, Hebei, Peoples R China.
地址:
[ 1 ] North China Inst Sci & Technol, Hebei Prov Key Lab Mine Disaster Prevent & Contro, Yanjiao 065201, Hebei, Peoples R China
[ 2 ] North China Inst Sci & Technol, Sch Safety Engn, Yanjiao 065201, Hebei, Peoples R China
电子邮件地址:bj_zjf@126.com
基金资助致谢
基金资助机构
授权号
Fundamental Research Funds Project of Central Universities of China
3142013116
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出版商
DISASTER ADVANCES, SECTOR AG-80, SCHEME NO 54, VIJAY NAGAR, A B RD, INDORE, 452010, INDIA
类别 / 分类
研究方向:Geology; Meteorology & Atmospheric Sciences; Water Resources
Web of Science 类别:Geosciences, Multidisciplinary; Meteorology & Atmospheric Sciences; Water Resources
文献信息
文献类型:Article
语种:English
入藏号: WOS:000328669400035
ISSN: 0974-262X
电子 ISSN: 2278-4543
期刊信息
Impact Factor (影响因子): Journal Citation Reports® |
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