| 60t 电弧炉高效化生产的研究 |
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| 引用本文： | 李士琦,张标,钱刚,刘润藻,王玉刚.60t 电弧炉高效化生产的研究[J].特殊钢,2008,29(1):34-36. |
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| 作者姓名： | 李士琦 张标 钱刚 刘润藻 王玉刚 |
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| 作者单位： | 1北京科技大学冶金与生态工程学院，北京100083;
2大冶特殊钢股份有限公司，黄石435001 |
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| 摘 要： | 通过优化炉料结构-采用铁水热装技术;集束氧枪技术强化供氧;疏通物流-强化二次精炼和增加连铸生产能力,使1台60t AC炉和1台60t DC炉的年生产率由改造前25.45万t增至87.34万t,冶炼周期由107 min/炉降至71 min/炉,电耗由547 kWh/t降至213 kWh/t,变压器利用系数由3142 t/(MVA·a)增至10783 t/(MVA·a)。探索出适合大冶特钢实际生产的冶炼工艺,取得了良好的经济技术效果。
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| 关 键 词： | 60t电弧炉 高效化 热装铁水 强化供氧 |
| 收稿时间： | 2007-08-07 |
| 修稿时间： | 2007年8月7日 |
A Study on High Efficient Steelmaking of 60 t EAFs |
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| Li Shiqi,Zhang Biao,Qian Gang,Liu Runzao,Wang Yugang.A Study on High Efficient Steelmaking of 60 t EAFs[J].Special Steel,2008,29(1):34-36. |
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| Authors: | Li Shiqi Zhang Biao Qian Gang Liu Runzao Wang Yugang |
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| Affiliation: | 1 School of Metallurgical and Ecological Engineering,University of Science and Technology,Beijing 100083;
2 Daye Special Steel Corp Ltd,Huangshi 435001 |
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| Abstract: | With optimizing charging structure- using hot metal charging technology; intensifying oxygen supply by coherent oxygen lance technique; material flow sheet revamping by intensifying secondary refining and increasing concasting production capability,the annual steel output of a 60 t AC furnace and a 60 t DC furnace increased from before revamping 254500t to 873400 t,tap-to-tap time decreased from 107 min to71 min,electric power consumption decreased from 547 kWh/t to 213 kWh/t,coefficient of utilization of transformer increased from 3142 t(MVA ·a)to 10783 t/(MVA ·a)to get a available steelmaking process at Daye Special Steel and obtain better economic and technology effect. |
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| Keywords: | 60 t EAF High Efficient Hot Metal Charging Intensifying Oxygen Supply |
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