利用大包注流带入的强湍流钢液将长水口吹入的气体打碎成小气泡去除中间包钢液中小夹杂物的方法是一种有研究价值的精炼方法.在建立一套钢包-长水口-中间包的水力学模拟实验装置的基础上,研究了长水口开孔直径、开孔排数以及每排开孔数目对中间包内夹杂物去除效果的影响规律,以及开孔直径对中间包内钢液流动模式的影响规律.实验结果表明,长水口开孔直径为3mm,开孔排数为2排,每排开孔数目为6孔时,中间包内钢液平均停留时间较长,流体流动模式较为合理,中间包内夹杂物上浮去除效果较好.
参考文献
| [1] | Roderick I. L. GUTHRIE .A Review of Fluid Flows in Liquid Metal Processing and Casting Operations[J].ISIJ International,2009(10):1453-1467. |
| [2] | Kinnor CHATTOPADHYAY;Mihaiela ISAC;Roderick I. L. GUTHRIE .Physical and Mathematical Modelling of Inert Gas Shrouding in a Tundish[J].ISIJ International,2011(4):573-580. |
| [3] | Wang L.;Lee H.G. .Prediction of the Optimum Bubble Size for Inclusion Removal from Molten Steel by Flotation[J].ISIJ International,1996(1):7-16. |
| [4] | Q. Y. ZHANG;L. T. WANG;Z. R. Xu .A new method of removing inclusions in molten steel by injecting gas from the shroud[J].ISIJ International,2006(8):1177-1182. |
| [5] | Rogler J P;Heaslip L J;Mehrvar M .Physical modeling of inclusion removal in a tundish by gas bubbling[J].Canadian Metall Quart,2005,45(03):357. |
| [6] | Kinnor Chattopadhyay;Roderick Guthrie;Mihaiela Isac.The role of gas shrouded ladle nozzles in affecying steel quality within a Tundish[A].Pittsburgh,PA,USA,2009:1144. |
| [7] | Evans G M;Jameson G J;Atkinson B W .Prediction of the bubble size generated by a plunging liquid jet bubble column[J].Chemical Engineering Science,1992,47(13-14):3265. |
| [8] | Sahai Y;Emi T .Criteria for water modeling of melt flow and inclusions removal in continuous casting tundishes[J].ISIJ International,1996,33(09):1166. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%