1. School of Safety and Emergency Management Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
2. Key Laboratory of Safety and High-efficiency Coal Mining, Ministry of Education (Anhui University of Science and Technology), Huainan, Anhui 232001, China
3. Engineering Research Center of Phosphorus Resources Development and Utilization of Ministry of Education, Wuhan Institute of Technology, Wuhan, Hubei 430073, China
4. School of Energy and Mining Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China