|本期目录/Table of Contents|

[1]吴兵,苏赟,王金贵,等.煤炭自然发火预报指标气体研究[J].中国安全生产科学技术,2012,8(11):76.
 WU Bing,SU Yun,WANG Jin gui,et al.Research on index gas for forecasting of coal spontaneous combustion[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2012,8(11):76.
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煤炭自然发火预报指标气体研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
8
期数:
2012年11期
页码:
76
栏目:
出版日期:
2012-11-30

文章信息/Info

Title:
Research on index gas for forecasting of coal spontaneous combustion
作者:
吴兵苏赟王金贵雷柏伟朱朦
( 中国矿业大学〈北京〉资源与安全工程学院,北京〓100083
Author(s):
WU BingSU Yun WANG Jin guiLEI Bo weiZHU Meng
(School of Resource and safety Engineering, China University of Mining and Technology 〈Beijing〉, Beijing 100083,China )
关键词:
自燃预报指标气体
Keywords:
spontaneous combustion forecast index gas
分类号:
X936
DOI:
-
文献标志码:
A
摘要:
利用指标气体预报煤炭自燃是预防和控制煤炭自燃火灾的重要方法,不同煤样自然发火的指标气体及临界值可能不同,在实际预报中,应根据矿井实际情况选择正确的指标气体及其临界值。通过自燃特性试验,研究了高头窑煤矿2-3煤层煤炭自燃过程中的标志性气体,分析了各气体产生量随煤样温度变化的曲线。确定该矿的主要指标气体为CO、C2H4及稀烷比。当CO含量持续存在并不断增加则认为煤炭已自燃,C2H4含量达到05ppm意味着煤体的温度可能已经达到145℃。该结果对该矿煤炭自燃火灾的预防和控制工作具有重要意义
Abstract:
The use of index gas to forecast coal spontaneous combustion is an important away to prevent and control coal spontaneous combustion fire. However, the index gas and threshold of different coal are different. In the actual forecast, selection of appropriate indicators gas and their threshold should be conducted based on the actual situation of the mine. Though experiment of spontaneous combustion characteristics of coal, the index gas of Gaotouyao’s 2-3 coal seam was investigated and the curve of gas level changed with coal temperature was analyzed. It was determined that the main indicators of mine gas are CO、C2H4 and the ratio of C2H4/ C2H6If the content of CO is persistent and increasing,it means the spontaneous combustion of coal has begun. If the content of C2H4 has reached to 05ppm,we can say the temperature of coal has reached to 145℃.The result is important for the forecasting and controlling of spontaneous combustion in this coal mine.

参考文献/References:

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备注/Memo

备注/Memo:
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更新日期/Last Update: 2012-11-30