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45t電爐終點碳控制技術研究與應用

Research and application of final carbon control in a 45-t electric arc furnace

  • 摘要: 對45 t電爐終點碳控制技術進行研究,優化了冶煉工藝及用氧制度,改進了泡沫渣工藝.電爐氧化末期鋼水碳的合格率得到較大提高,減少了脫氧材料加入量,在一定程度上降低了LF座包鋼水中的氧含量.通過優化泡沫渣工藝,電爐爐蓋結冷鋼現象已基本杜絕,爐子水冷件漏水現象大幅度減少,縮短了熱停時間.

     

    Abstract: The final carbon control of a 45-t electric arc furnace was studied, the melting process and oxygen system were optimized, and the foaming slag process was improved. Therefore, the pass rate of carbon content in the molten steel is obviously improved in the end of oxidation in EAF, the addition of deoxidizing material is reduced, and the oxygen content decreases to some extent in LF. By improving the foaming slag process, there is almost no cold steel on EAF roof, the leakage of water-cooling parts decreases greatly, and the hot stopping time is reduced.

     

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