1. School of Mining Engineering, Taiyuan University of Technology, Taiyuan, Shanxi, China
2. Shanxi Ecological Mining Engineering Research Center of Taiyuan University of Technology, Taiyuan, Shanxi, China
3. Shanxi Jinmei Group Technology Research Institute Limited Liability Company, Jincheng, Shanxi, China
4. Jinneng Holding Equipment Manufacturing Group Limited Liability Company Coal Processing and Utilization Division, Jincheng, Shanxi, China