| 宝钢LT灰及转炉渣用于铁水预处理脱磷剂的实践 |
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| 引用本文： | 徐兵,王兆达,丁建勇. 宝钢LT灰及转炉渣用于铁水预处理脱磷剂的实践[J]. 宝钢技术, 2006, 0(1): 6-9 |
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| 作者姓名： | 徐兵 王兆达 丁建勇 |
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| 作者单位： | 宝钢开发公司,综合开发公司,上海,201900 |
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| 摘 要： | 基于环保和钢铁工业可持续发展需要,宝钢二次资源用于生产实践是必由之路.文章分析了铁水脱磷要素,介绍了LT灰和转炉渣用于铁水预处理脱磷粉剂的实践,并分析了其经济和社会效益.试验结果表明,LT灰及转炉渣可替代部分烧结矿、石灰等常用原料作为脱磷剂,当LT灰或转炉渣掺入量合适,碱剂、氧化剂、熔剂控制合理时,可获得与常规脱磷剂同样的效果;BaO能降低(P2O5)的活度,形成稳定的脱磷产物,无公害BaO系脱磷剂是铁水预处理用脱磷剂的发展方向.
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| 关 键 词： | 二次资源 LT灰 转炉渣 脱磷剂 BaO系脱磷剂 |
| 文章编号： | 1008-0716(2006)01-0006-04 |
| 修稿时间： | 2005-06-15 |
LT -Dust and BOF Slag as Hot Metal Dephosphorization Fluxes at Baosteel |
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| Xu Bing,Wang Zhaoda,Ding Jianyong. LT -Dust and BOF Slag as Hot Metal Dephosphorization Fluxes at Baosteel[J]. Baosteel Technology, 2006, 0(1): 6-9 |
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| Authors: | Xu Bing Wang Zhaoda Ding Jianyong |
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| Abstract: | In order to meet the requirements of protecting environment and achieving sustainable development for steel industry,Baosteel's secondary resources must be utilized in production.Hot metal dephosphorizing factors are analyzed and practice on dephosphorizing powder for hot metal pretreatment with LT-dust and BOF slag is introduced.Experiment results show that LT-dust and BOF slag can substitute for traditional raw materials,such as sinter,lime and so on in hot metal dephosphorization.Proper addition of LT-dust or BOF slag and reasonable controlling over basic power,oxidant and flux can achieve the same effect as traditional dephosphorizing agents.BaO can reduce activity of P_2O_5 and form stable dephosphorizing products.BaO,a kind of harmless dephosphorizing agent,will be the development direction of hot metal dephosphorization. |
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| Keywords: | secondary resources LT-dust BOF slag dephosphorizing agent BaO dephosphorizing agent |
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