1. College of Safety Science and Engineering, Henan Polytechnic University, 2001, Century Avenue, Jiaozuo, Henan 454000, China
2. Collaborative Innovation Center for Coal Safety Production & High-Efficient-Clean Utilization by Provincial and Ministerial Co-construction, 2001, Century Avenue, Jiaozuo, Henan 454000, China
3. State Key Laboratory Cultivation Base for Gas Geology and Gas Control in Henan Polytechnic University, 2001, Century Avenue, Jiaozuo, Henan 454000, China
4. Laboratory of Gas and Fire Control for Coal Mines (China University of Mining and Technology), Ministry of Education, Xuzhou 221116, China