1. School of Safety Science and Engineering, Anhui University of Science and Technology, Huainan, Anhui 232001, China
2. Technology Research and Development Platform for Disaster Prevention and Control Technology of Deep Coal Mining, Anhui University of Science and Technology, Huainan 232001, China
3. State Key Laboratory Cultivation Base for Gas Geology and Gas Control, Henan Polytechnic University, Jiaozuo 454000, China