The parameters of EAF were selected and optimized to design tube water-cooled furnace wall and cover eccentricity bottom (EBT) . Equipment composition: Electric Furnace Transformer, short net, electrode lifting device, electrode arm, furnace cover lifting and rotating device, furnace body, furnace tilting device, ladle, tapping car, cooling water system, Compressed air system, hydraulic system, charging system, high voltage power supply system. Low-voltage electrical control system, basic level automation and computer control system.