1. School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo454003, P.R. China
2. College of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo454003, PR China
3. State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, Chongqing400044, PR China
4. Power Generation Equipment Research Institute, CITIC Heavy Industries Co. Ltd, Luoyang471000, PR China