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[1]毛俊睿,杨明,刘佳佳,等.掘进巷道停风期间瓦斯超限应急处置技术研究*[J].中国安全生产科学技术,2021,17(3):52-58.[doi:10.11731/j.issn.1673-193x.2021.03.008]
　MAO Junrui,YANG Ming,LIU Jiajia,et al.Study on emergency disposal technology of gas transfinite during period of ventilation stopping in excavation roadway[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2021,17(3):52-58.[doi:10.11731/j.issn.1673-193x.2021.03.008]
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掘进巷道停风期间瓦斯超限应急处置技术研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
17
期数:
2021年3期
页码:
52-58
栏目:
职业安全卫生管理与技术
出版日期:
2021-03-31

文章信息/Info

Title:
Study on emergency disposal technology of gas transfinite during period of ventilation stopping in excavation roadway
文章编号:
1673-193X(2021)-03-0052-07
作者:
毛俊睿; 杨明; 刘佳佳; 柳磊; 柴沛
(1.河南理工大学 安全科学与工程学院，河南 焦作 454003;
2.煤炭安全生产与清洁高效利用省部共建协同创新中心，河南 焦作 454003；
3.河南省瓦斯地质与瓦斯治理重点实验室—省部共建国家重点实验室培育基地，河南 焦作 454003)
Author(s):
MAO Junrui;  YANG Ming;  LIU Jiajia;  LIU Lei;  CHAI Pei
(1.School of Safety Science and Engineering,Henan Polytechnic University,Jiaozuo Henan 454003,China;
2.The Collaborative Innovation Center of Coal Safety Production and Efficient Utilization,Jiaozuo Henan 454003,China;
3.State Key Laboratory Cultivation Base For Gas Geology and Gas Control,Jiaozuo Henan 454003,China)
关键词:
掘进巷道; 瓦斯超限; 应急处置; 瓦斯浓度; 瓦斯抽采管路
Keywords:
excavation roadway;  gas transfinite;  emergency disposal;  gas concentration;  gas drainage pipeline
分类号:
X936
DOI:
10.11731/j.issn.1673-193x.2021.03.008
文献标志码:
A
摘要:
为解决掘进巷道停风导致的瓦斯浓度超限问题，提出1种利用瓦斯抽采管路进行局部抽出式通风的应急处置技术措施，并采用理论分析与数值模拟相结合的方法，对比分析掘进巷道停风期间采取应急处置技术前后的掘进巷道瓦斯浓度分布规律和防治效果。结果表明：对掘进巷道内现有的瓦斯抽采管路进行改造，在掘进巷道停风情况下利用瓦斯抽采管路中的负压对掘进巷道进行临时抽出式通风是1种有效的瓦斯超限应急处置技术；负压通风量的大小应依据生产现场的实际状况进行决定，掘进巷道若能在37 s内恢复正常通风，则可选取较小的负压通风量(5 m3/min)进行临时通风；若超过37 s仍不能恢复正常通风，则应选取较大的负压通风量(>5 m3/min)进行临时通风。
Abstract:
To solve the problem of gas transfinite caused by the ventilation stopping in excavation roadway,an emergency disposal technique of conducting the local exhaust ventilation by using gas drainage pipeline was put forward,and the gas concentration distribution laws and the prevention and control effect during the period of ventilation stopping in excavation roadway before and after adopting the emergency disposal technology were compared and analyzed.The results showed that when modifying the existing gas drainage pipelines in excavation roadway,using the negative pressure in gas drainage pipeline to carry out the temporary extraction ventilation under the condition of ventilation stopping in the excavation roadway was an effective emergency disposal technology.The amount of negative pressure ventilation should be determined according to the actual situation of production site.If the normal ventilation of excavation roadway could be restored within 37 s,a little negative pressure ventilation amount (5 m3/min) could be selected for the temporary ventilation.If the normal ventilation could not be restored within more than 37 s,a large negative pressure ventilation amount (>5 m3/min) should be selected for the temporary ventilation.

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备注/Memo

备注/Memo:
收稿日期： 2020-09-21；网络首发日期： 2021-03-16
* 基金项目： 国家自然科学基金项目(51704099)；国家重点研发计划项目(2018YFC0808103)；中国工程科技发展战略河南研究院战略咨询研究项目(2020HENZDB02)；河南省科技攻关计划项目（212102311146）；河南省高校基本科研业务费专项资金项目(NSFRF200317)；河南省高等学校青年骨干教师培养计划项目(2020GGJS053)；河南理工大学青年骨干教师计划项目（2019XQG-11）
作者简介： 毛俊睿，硕士研究生，主要研究方向为瓦斯灾害防治。
通信作者： 杨明，博士，教授，主要研究方向为瓦斯灾害防治、矿井通风与热害防治、安全管理。
更新日期/Last Update: 2021-04-13