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<p>In recent years, electrode costs have been increasing along with the rising unit price of needle coke. Furthermore, from the perspective of carbon neutrality, more active efforts to reduce electrode unit consumption have been made.</p><p>In order to suppress the side loss due to oxidation and the tip loss due to sublimation in ladle furnace (LF) electrodes, we improved the LF operation (reviewing the power input pattern, optimizing the argon gas flow rate for stirring molten steel) and introduced LF electrode water cooling equipment. We achieved the reduction of the LF electrode unit consumption by about 30%. This article introduces these results.</p>

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Reduction of Electrode Unit Consumption in Ladle Furnaces

  • 期刊论文

  • 发表日期：

    2025年11月7日

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  • Junichi Nakamura,
  • Kota Shinkawa,
  • Daiki Miyazaki,
  • Yasuyuki Tani

摘要

In recent years, electrode costs have been increasing along with the rising unit price of needle coke. Furthermore, from the perspective of carbon neutrality, more active efforts to reduce electrode unit consumption have been made.

In order to suppress the side loss due to oxidation and the tip loss due to sublimation in ladle furnace (LF) electrodes, we improved the LF operation (reviewing the power input pattern, optimizing the argon gas flow rate for stirring molten steel) and introduced LF electrode water cooling equipment. We achieved the reduction of the LF electrode unit consumption by about 30%. This article introduces these results.