We select AC arc furnace to meet the requirements of high quality, high yield, low consumption, safety, environmental protection, and automation of the production process. The overall structure of the furnace consists of a lower brick melting pool, an upper water-cooled furnace wall, a top tube water-cooled furnace cover, a furnace door carbon oxygen gun, top loading, EBT steelmaking, fully hydraulic, PLC automatic control, three-phase AC arc furnace, left operation.