| 摘要 |
<p>A source iron is continuously fed into an electric arc furnace is melted therein, while a state change of the source iron fed in the furnace is detected to maintain the molten metal in the electric arc furnace in a stable state. An electric arc melting facility 22 includes a melting chamber 1 configured to melt a source iron 20 therein by electric arc discharge generated from an electrode 2, and a source iron feeder 8 configured to continuously feed the source iron to the melting chamber. The facility further includes a state change detector 12a, 12b, 12c configured to detect a state change of the melting chamber when the electric arc discharge is generated from the electrode, and a controller 6 configured to adjust a feed rate at which the source iron feeder feeds the source iron to the melting chamber, based on a detection result of the state change detectors.</p> |
