1. Department of Thermal Science and Energy Engineering, University of Science and Technology of China, Hefei 230026, China
2. Institute of Energy, Hefei Comprehensive National Science Center, Hefei 230031, China
3. National Engineering Laboratory for Biomass Power Generation Equipment, North China Electric Power University, Beijing 102206, China
4. National and Local Joint Engineering Research Center of Precision Coal Mining, Anhui University of Science and Technology, Huainan 232001, China