| KR机械搅拌法铁水预处理脱硫的生产实践 |
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| 引用本文： | 姚娜,兴超,李祥胜.KR机械搅拌法铁水预处理脱硫的生产实践[J].特殊钢,2011,32(4):34-35. |
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| 作者姓名： | 姚娜 兴超 李祥胜 |
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| 作者单位： | 1济源职业技术学院，济源454650；
2涟源钢铁集团有限公司，娄底417009 |
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| 摘 要： | 通过KR机械搅拌法和喷吹法各自优势的比较,选用了KR法对205 t铁水进行脱硫预处理。所使用的脱硫剂的主要成分为(%):76～80CaO、7～12CaF2、≤5SiO2。生产结果表明,经KR搅拌法预处理后,铁水中硫含量可降至0.005%以下,搅拌头使用寿命可达270炉;经KR法预处理铁水总时间为35～42min;转炉冶炼时回硫量不高于0.002%。
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| 关 键 词： | KR机械搅拌法 铁水预处理 脱硫 |
| 收稿时间： | 2011-01-23 |
Production Practice of Hot Metal Pretreatment Desulphurization by KR Mechanical Stirring Method |
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| Yao Na,Xing Chao,Li Xiangsheng.Production Practice of Hot Metal Pretreatment Desulphurization by KR Mechanical Stirring Method[J].Special Steel,2011,32(4):34-35. |
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| Authors: | Yao Na Xing Chao Li Xiangsheng |
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| Affiliation: | 1 Jiyuan Vocational and Technical College, Jiyuan 454650；
2 Lianyuan Iron and Steel Group Co Ltd, Loudi 417009 |
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| Abstract: | The KR method is selected for pretreated desulphurization of 205 t hot metal according to the comparison results of advantages and characteristics between KR mechanical stirring method and jetting method.The main ingredient of used desulphurizing agent is（%）76～80CaO,7～12CaF2,≤5SiO2.Production results show that after pretreatment by KR stirring method,the sulfur content in hot metal may decrease to less than 0.005%;the service life of stirring head is 270 heats;the total pretreated time by KR method is 35～42 min;and the resulfurization amount in converter melting is less than 0.002%. |
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| Keywords: | KR Mechanical Stirring Method Hot Metal Pretreatment Desulphurization |
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