| 马钢300t转炉挡渣工艺的优化与改进 |
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| 引用本文： | 蒋育翔,邓勇,熊磊.马钢300t转炉挡渣工艺的优化与改进[J].马钢职工大学学报,2013(3):1-4. |
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| 作者姓名： | 蒋育翔 邓勇 熊磊 |
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| 作者单位： | [1]马钢（集团）控股有限公司,安徽马鞍山243000 [2]马钢第四钢轧总厂,安徽马鞍山243000 |
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| 摘 要： | 为减少出钢过程下渣、提高钢水质量及合金元素收得率，马钢第四钢轧总厂对300t转炉原气动挡渣工艺进行了优化，采用了挡渣镖法和气动挡渣法相配合的方法。现挡渣镖法挡渣成功率达到98％，出钢下渣量减少了30％以上，平均回磷量可控制在0．003％以下，同时提高了钢水收得率，改善了溅渣护炉和后续精炼效果，取得了较好的经济效益。
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| 关 键 词： | 转炉 挡渣 回磷 |
Optimization and Improvement of 300t Converter Skimming Process in Masteel |
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| Institution: | JIANG Yu - xiang, DENG Yong, XIANG Lei |
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| Abstract: | To reduce the slag outflow during converter＇s taping, improve the quality of liquid steel, , and increase the yield of alloy elements, the original pneumatic slag - stopping process for 300t converter is optimized by applying the skimming dart combined with the pneumatic slag - stopping technology in No. 4 Steel - making and Rolling Plant General, Ma ~nshan Iron and Steel Co. , Ltd. Through the skimming dart technology, the successful slag - stopping reaches to 98%, the quantity of slag outflow during taping is reduced by more than 30%, and the average re - phosphating ratio can be controlled under 0.003 %. Meanwhile, the yield of liquid steel is increased and slag - splashing and subsequent refining are improved. As a result, better economic benifits are gained. |
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| Keywords: | converter skimming re - phosphating |
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