1. Key Laboratory of Deep Coal Resource Mining (CUMT), Ministry of Education of China, School of Mines, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
2. School of Energy and Mining Engineering, China University of Mining and Technology, Beijing 100083, China
3. College of Safety and Emergency Management Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
4. Dananhu No. 1 Coal Mine, CHN Energy Investment Group Co., Ltd., Hami 839000, China