1. Key Laboratory of Coal Processing and Efficient Utilization of Ministry of Education, China University of Mining and Technology, Xuzhou, P R China
2. School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, P R China
3. Beijing Key Laboratory of Process Automation in Mining & Metallurgy, BGRIMM Technology Group, Beijing, P R China
4. State Key Laboratory of Process Automation in Mining & Metallurgy, BGRIMM Technology Group, Beijing, P R China