1. Department of Energy and Power Engineering, Henan University of Science and Technology, Luoyang 471003, China
2. Longmen Laboratory, Luoyang 471000, China
3. National Engineering Lab of Coal-fired Pollution Emission Reduction, Shandong University, Jinan 250061, China
4. Department of Energy and Power Engineering, Qilu University of Technology, Jinan 250353, China