公开(公告)号：US20240158876A1

公开(公告)日：2024-05-16

申请号：US18459388

申请日：2023-08-31

Applicant: University of Science and Technology Beijing

Inventor： Guangsheng WEI ,  Hongjing ZHANG ,  Rong ZHU ,  Afan XU ,  Yu CHEN ,  Ruimin ZHAO ,  Kai DONG ,  Bohan TIAN ,  Botao XUE ,  Chao FENG

IPC: C21C5/52

CPC classification number: C21C5/52 ,  C21C2005/5288

Abstract: A method for evaluating energy efficiency of electric arc furnace steelmaking comprises: obtaining original smelting information of the electric arc furnace; processing the original smelting information, and calculating an electrical energy efficiency evaluation index and a chemical energy efficiency evaluation index for process operation; wherein the electrical energy efficiency evaluation index comprises circuit efficiency, transformer tap capacity utilization rate and electrical energy thermal efficiency, and the chemical energy efficiency evaluation index comprises oxygen utilization rate, carbon powder utilization rate and chemical energy thermal efficiency; and evaluating an energy utilization condition of the electric arc furnace comprehensively based on the electrical energy efficiency evaluation index and the chemical energy efficiency evaluation index. According to the method, a basis can be provided for subsequent smelting process adjustment, and the energy utilization efficiency of the electric arc furnace is improved.