采用水力学模型方法对40t钢包单底吹去除钢水中夹杂物的行为进行了研究,分析了元件类型、渣层厚度、位置和流量等对夹杂物去除的影响规律.结果表明:在钢包底吹过程中钢水内夹杂物的去除率方面,弥散式透气砖均优于狭缝式底吹元件;底吹位置越靠近钢包中心时,去除夹杂物的效果越佳;在实验条件下渣层越厚,夹杂物去除率越高;底吹氩去除夹杂物存在一个最佳流量值.
参考文献
| [1] | Lindskog N;Sandberg H .Studies on the deoxidization mechanism in a stirred steel bath,using radioactive isotopes[J].Scandinavian Journal of Metallurgy,1973,2(02):71. |
| [2] | Okumura K;Ban M;Hirasawa M et al.Rate of SiO2 inclusion removal injection stirring condition from molten Cu to slag under gas[J].ISIJ International,1995,35(07):832. |
| [3] | 薛正良,王义芳,王立涛,李正邦,张家雯.用小气泡从钢液中去除夹杂物颗粒[J].金属学报,2003(04):431-434. |
| [4] | Engh T A;Lindskog N .A fluid mechanical model of inclusion removal[J].Scandinavian Journal of Metallurgy,1975,4:49. |
| [5] | Mats Soder;Par Jonsson;Lage Jonsson .Inclusion Growth and Removal in Gas-Stirred Ladles[J].Steel Research International,2004(2):128-138. |
| [6] | Li Tao WANG;Qiao Ying ZHANG;Shi Heng PENG .Mathematical model for growth and removal of inclusion in a multi-tuyere ladle during gas-stirring[J].ISIJ International,2005(3):331-337. |
| [7] | Mats Soder;Par Jonsson;Jonas Alexis .Most relevant mechanisms of inclusion growth in an induction-stirred ladle[J].Scandinavian Journal of Metallurgy,2002(3):210-220. |
| [8] | 郑淑国,朱苗勇.钢包内喷嘴与透气砖吹氩去夹杂水模型研究[J].金属学报,2006(11):1143-1148. |
| [9] | Zhang X F;Hayes P C;Lee H G .Particle removal from liquid phase using fine gas bubbles[J].ISIJ International,1997,37(11):1091. |
| [10] | Damle C;Sahai Y .A criteria for water modelling of non-isothermal melt flows in continuous casting tundishes[J].ISIJ International,1996,36(06):681. |
| [11] | Sahai Y;Emi T .Criteria for water modelling of melt flow and inclusion removal in continuous casting tundishes[J].ISIJ International,1996,36(09):1166. |
| [12] | Robert A;Mazumdar D .Physical and mathematical modeling of flow and residence time distributions in different tundish designs[J].STEEL RESEARCH,2001,72(03):97. |
| [13] | Mazumdar D;Guthrie R L .The physical and mathematical modelling of continuous casting tundish systems[J].ISIJ International,1999,39(06):524. |
| [14] | 倪冰,罗志国,狄瞻霞,邹宗树.气泡去除夹杂物的机理[J].钢铁研究学报,2010(05):15-18. |
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