|本期目录/Table of Contents|

[1]屈丽娜.热重实验条件下不同氧气浓度对煤自燃反应能级的实验研究[J].中国安全生产科学技术,2017,13(8):134-138.[doi:10.11731/j.issn.1673-193x.2017.08.021]
　QU Lina,LIU Qi.Experimental study on influence of different oxygen concentrations on reaction energy level of coal spontaneous combustion under thermogravimetric experimental conditions[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2017,13(8):134-138.[doi:10.11731/j.issn.1673-193x.2017.08.021]
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热重实验条件下不同氧气浓度对煤自燃反应能级的实验研究
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
13
期数:
2017年8期
页码:
134-138
栏目:
现代职业安全卫生管理与技术
出版日期:
2017-08-31

文章信息/Info

Title:
Experimental study on influence of different oxygen concentrations on reaction energy level of coal spontaneous combustion under thermogravimetric experimental conditions
文章编号:
1673-193X(2017)-08-0134-05
作者:
屈丽娜1;  2; 刘琦2
(1.河南理工大学 能源科学与工程学院，河南 焦作 454000; 2.中原工学院 能源与环境学院，河南 郑州 450000)
Author(s):
QU Lina1; 2;  LIU Qi2
(1. School of Energy Science and Engineering, Henan Polytechnic University, Jiaozuo Henan 454000, China; 2. School of Energy and Environment, Zhongyuan University of Technology, Zhengzhou Henan 450000, China)
关键词:
氧气浓度; 煤自燃; 反应能级; 燃烧区域; 特征温度
Keywords:
oxygen concentration;  coal spontaneous combustion;  reaction energy level;  combustion region;  characteristic temperature
分类号:
TD752
DOI:
10.11731/j.issn.1673-193x.2017.08.021
文献标志码:
A
摘要:
为研究不同氧气浓度对煤自燃反应能级的影响，基于热重实验分别得到6个不同氧气浓度下的煤自燃特征温度点，通过计算不同阶段内煤自燃的反应动力学参数分析氧气浓度与煤自燃反应能级关系。实验结果表明：n≠1时，氧气浓度对煤自燃反应能级(n)的影响在不同温度段内的影响不同；氧气浓度与T1，T2，T3特征温度点的关系曲线变化趋势不明显，T4~T8温度点与氧浓度的关系呈现先增大后减小的趋势。
Abstract:
In order to study the influence of different oxygen concentrations on the reaction energy level of coal spontaneous combustion, six characteristic temperature points of coal spontaneous combustion under different oxygen concentrations were obtained based on the thermogravimetric experiments, and the relationship between oxygen concentration and reaction energy level of coal spontaneous combustion was analyzed through calculating the reaction kinetics parameters of coal spontaneous combustion in different stages. The results showed that when n≠1, the influence of oxygen concentration on the reaction energy level of coal spontaneous combustion (n) in different temperature segments was different. The change trends of the relationship curves between oxygen concentration and characteristic temperature points of T1, T2 and T3 were not obvious, while the relationship between oxygen concentration and characteristic temperature points of T4-T8 presented the trend of first increase and then decrease.

参考文献/References:

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备注/Memo

备注/Memo:
河南省科技攻关项目(172102310739)；中原工学院青年骨干教师项目(中工人［2015］37号)；中原工学院博士科研启动经费(3411-0272)
更新日期/Last Update: 2017-09-11