The demand for steel retention in the DC electric furnace smelting process

Only by blowing oxygen to increase temperature and using high temperature to achieve the connection between molten steel and the bottom electrode, the water-cooled rod type bottom electrode is found to be non-conductive in the tube furnace after the addition of scrap steel.
One of the main characteristics of a DC electric furnace is that the molten steel cannot be completely discharged during tapping. A certain amount of steel should be left in the tubular electric furnace, otherwise holes will appear in the bottom electrode and poor contact with scrap steel will result in the bottom electrode not conducting electricity.
In the case of hot charged molten iron, after the molten steel is discharged, it can be mixed with molten iron to make up for the remaining steel. When there is no molten iron, after the remaining steel is discharged, the box type electric furnace can only add an arc starting platform to assist in arc starting or adopt a starting electrode to assist in arc starting.

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