瓦斯含量法在煤与瓦斯突出能量分析中的应用

doi:10.16265/j.cnki.issn1003-3033.2017.10.016

中国安全科学学报 ›› 2017, Vol. 27 ›› Issue (10): 93-98.doi: 10.16265/j.cnki.issn1003-3033.2017.10.016

瓦斯含量法在煤与瓦斯突出能量分析中的应用

陈鲜展^1,2 工程师, 袁亮¹ 教授, 薛生¹ 教授, 李文权¹ 副教授

1 安徽理工大学能源与安全学院,安徽淮南 232001;
2 安徽煤矿安全监察局安全技术中心,安徽合肥 230088

收稿日期:2017-07-31 修回日期:2017-09-14 出版日期:2017-10-20 发布日期:2020-11-05
作者简介:陈鲜展 (1983—),男,安徽砀山人,博士研究生,工程师,主要从事煤矿瓦斯综合治理技术工作。E-mail: xianzhanchen@126.com。

Energy analysis of coal and gas outburst process based on gas content method

CHEN Xianzhan^1,2, YUAN Liang¹, XUE Sheng¹, LI Wenquan¹

1 School of Mining and Safety Engineering, Anhui University of Science and Technology, Huainan Anhui 232001, China;
2 Safety Technology Center, Anhui Coal Mine Safety Supervision Bureau, Hefei Anhui 230088, China

Received:2017-07-31 Revised:2017-09-14 Online:2017-10-20 Published:2020-11-05

摘要/Abstract

摘要： 为有效预防煤与瓦斯突出事故,用瓦斯含量法分析煤与瓦斯突出过程的能量转化问题。首先,分析6个煤与瓦斯突出实例;然后,用自主研制的煤与瓦斯突出模拟试验装置,进行10次实验室模拟试验,验证突出实例分析结果。结果表明:弹性能占突出总能量的0.01%～2.36%,瓦斯膨胀能占突出总能量的97.64%～99.99%,在瓦斯膨胀能中,游离瓦斯膨胀能占总膨胀能的0.07%～8.82%,解吸瓦斯膨胀能占总膨胀能的91.18%～99.93%;试验结果与实例分析结果相近。突出能量始终以瓦斯膨胀能为主,解吸瓦斯提供了绝大部分的瓦斯膨胀能,瓦斯含量对突出的发生和突出的强度有重要影响。

关键词: 瓦斯含量法, 煤与瓦斯突出, 试验, 瓦斯膨胀能, 能量分析

Abstract: For the sake of preventing coal and gas (methane) outburst accidents effectively in coal mines, the energy conversion during coal and gas outburst process was studied by the gas content method. Six examples of coal and gas outburst were investigated firstly. Ten groups of simulation tests were conducted in laboratory by using a piece of self-developed testing apparatus to verify the analysis outcome of outburst examples. The results show that the proportion of elastic energy in total outburst energy is 0.01%-2.36% and the proportion of gas expansion energy in total outburst energy is 97.64%-99.99%, that the free gas expansion energy takes up 0.07%-8.82% of total expansion energy and the desorbed gas expansion energy takes up 91.18%-99.93% of total expansion energy, which turns out to be consistent with the simulation testing results, that the gas expansion energy is the majority of outburst energy and the desorbed gas supplies the most of gas expansion energy, and that the occurrence and intensity of outburst are greatly influenced by gas content.

Key words: gas content method, coal and gas outburst, test, gas expansion energy, energy analysis

中图分类号:

X936

陈鲜展工程师, 袁亮, 薛生, 李文权. 瓦斯含量法在煤与瓦斯突出能量分析中的应用[J]. 中国安全科学学报, 2017, 27(10): 93-98.

CHEN Xianzhan, YUAN Liang, XUE Sheng, LI Wenquan. Energy analysis of coal and gas outburst process based on gas content method[J]. China Safety Science Journal, 2017, 27(10): 93-98.

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瓦斯含量法在煤与瓦斯突出能量分析中的应用

Energy analysis of coal and gas outburst process based on gas content method

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