1. College of Energy and Mining Engineering, Shandong University of Science and Technology 1 , Qingdao 266590, China
2. Zhengzhou Coal Industry (Group) Corporation Limited Liability Company 2 , Zhengzhou, Henan 450000, China
3. School of Safety Science and Engineering, Henan Polytechnic University 3 , Jiaozuo, Henan 454000, China
4. Shandong Energy Group Luxi Mining Industry Co., LTD., Li Lou Coal Industry 4 , Yuncheng, Shandong 274700, China
5. Tengzhou Dongda Mining Co., Ltd 5 ., Tengzhou 277500, China