| 60 t LD出钢包中V2O5自还原直接合金化冶炼钒钢SG45的工业试验 |
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| 引用本文： | 宋生强,薛正良,王伟祥,王恭亮,刘瑞宁. 60 t LD出钢包中V2O5自还原直接合金化冶炼钒钢SG45的工业试验[J]. 特殊钢, 2013, 34(6): 36-38 |
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| 作者姓名： | 宋生强 薛正良 王伟祥 王恭亮 刘瑞宁 |
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| 作者单位： | 1武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室，武汉430081 ；2石家庄钢铁有限责任公司,石家庄050031 |
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| 基金项目： | “十二五”国家科技支撑计划项目(2011BAB05B05) |
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| 摘 要： | 中碳钒钢SG45(/%:0.42~0.50C、0.17~0.27Si、0.50~0.80Mn、≤0.035P、≤0.035S、0.06~0.10V)的生产流程为60 t LD-LF-VD-CC工艺。在转炉出钢过程将钢芯铝-合金(锰铁、硅锰等)-五氧化二钒自还原团块(/%:26.90V2O5粉,33.51硅铁粉,16.74石灰粉,22.85萤石粉)-预熔渣(/%:50~53CaO、41~46Al2O3、≤4SiO2、≤4MgO)加至钢包进行钒的直接合金化工业试验。3炉试验结果表明,钒的平均收得率为95.13%,钢材洁净度和冶金质量良好。
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| 关 键 词： | 60tLD-LF-VD-CC工艺 钢包 V2O5 直接合金化 自还原团块 |
| 收稿时间： | 2013-06-07 |
Commercial Pilot Production of Vanadium Steel SG45 by V2O5 Self-Reducing Direct Alloying in Ladle during 60 t LD Tapping |
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| Song Shengqiang,Xue Zhengliang,Wang Weixiang,Wang Gongliang,Liu Ruining. Commercial Pilot Production of Vanadium Steel SG45 by V2O5 Self-Reducing Direct Alloying in Ladle during 60 t LD Tapping[J]. Special Steel, 2013, 34(6): 36-38 |
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| Authors: | Song Shengqiang Xue Zhengliang Wang Weixiang Wang Gongliang Liu Ruining |
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| Affiliation: | 1 Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University ofScience and Technology, Wuhan 430081 ； 2 Shijiazhuang Iron and Steel Co Ltd, Shijiazhuang 050031 |
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| Abstract: | The production flow sheet for medium-carbon vanadium steel SG45 (/% : 0. 42 ~0. 50C, 0. 17 ~0. 27Si,0. 50 ~ 0. 80Mn, ≤0. 035P, ≤0. 035S, 0. 06 ~ 0. 10V) is 60 t LD-LF-VD-CC process. The vanadium direct alloying commercial test is carried out during converter tapping by adding aluminium cladding with steel-alloys ( manganese iron powder, silicon-manganese etc) -vanadium pentoxide self-reducing briquette (/% : 26. 90V2O5 powder, 33. 51 silicon iron powder, 16. 74 lime powder and 22. 85 fluorite powder) -premelted slag (/% : 50 ~53CaO, 41 ~46Al2O3, ≤4SiO2, ≤ 4MgO) in ladle. 3 heats pilot production results show that the average yield of vanadium is 95. 13% , the cleanliness and metallurgy quality of steel products are better. |
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