Optimization and control of working parameters of hot blast furnace Heng Wang, Shukun Cao ※, Quancheng Dong, Yi Cui, Zijian Cao, Shuqiang Xu, Xiangwen Song and Hao Shen MATEC Web Conf., 175 (2018) 02030 Published online: 02 July 2018 DOI: 10.1051/matecconf/201817502030