针对含钛炉渣在流渣反应器中的氧化工艺,采用模型实验方法研究熔渣在反应器内的流动特性与溶质扩散现象.考虑气液两相流动时,由于界面张力和浮力作用,黏性力的影响相对降低,故采用水来代替实际的高温液态高炉渣,通过底部吹入N2 ,模拟实际反应器内的流动情况.设计并排与错排两种喷吹方式,分别进行了物理水模型实验及数值模拟实验研究.物理水模型实验分别采用高速摄像法观测流场和刺激响应法测传质过程;数值模拟实验分析了不同位置的速度矢量分布和湍动能分布.结果表明错排喷吹方式的反应器内的流动特性好于并排方式.
参考文献
[1] | 李兴华,王雪松,刘知路,张江平.高钛高炉渣综合利用新方向[J].钢铁钒钛,2009(03):10-16. |
[2] | P. C. PISTORIUS;C. COETZEE .Physicochemical Aspects of Titanium Slag Production and Solidification[J].Metallurgical and Materials Transactions, B. Process metallurgy and materials processing science,2003(5):581-588. |
[3] | 祝淑芳,鲁礼林.含钛高炉渣综合利用与钛组分析出技术的进展[J].矿业快报,2008(03):9-11. |
[4] | WANG Mingyu,LI Liaosha,ZHANG Li,ZHANG Linnan,TU Ganfeng,SUI Zhitong.Effect of oxidization on enrichment behavior of TiO2 in titanium-bearing slag[J].稀有金属(英文版),2006(02):106-110. |
[5] | Z.Z. Guo,T.P. Lou,L. Zhang,L.N. Zhang,Z.T. Sui.PRECIPITATION AND GROWTH OF PEROVSKITE PHASE IN TITANIUM BEARING BLAST FURNACE SLAG[J].金属学报(英文版),2007(01):9-14. |
[6] | Tao Jiang;Xiangxin Xue;Peining Duan .Carbothermal reduction-nitridation of titania-bearing blast furnace slag[J].Ceramics International,2008(7):1643-1651. |
[7] | 孔珑.工程流体力学(KONG Long.Engineering fluid mechanics[M].Beijing:China Electric Power Press,1992.)[M].北京:中国电力出版社,1992 |
[8] | 李玉海,娄太平,隋智通.含钛高炉渣中钛组分选择性富集及钙钛矿结晶行为[J].中国有色金属学报,2000(05):719. |
[9] | 孟令坤 .LF搅拌模型的研究[J].包钢科技,2000,26(01):38-42. |
[10] | 韩占忠;王敬;兰小平.Fluent流体工程仿真计算实例与应用(HAN zhan-jun,WANG Jing,LAN Xiao-ping.Fluent engineering simulation and application examples[M].Beijing:Beijing Institute of Technology Press,2004.)[M].北京:北京理工大学出版社,2004 |
[11] | Gittler P.;Kickinger R. .Application of computational fluid dynamics in the development and improvement of steelmaking processes[J].Scandinavian Journal of Metallurgy,2000(4):166-176. |
[12] | Ching-Wen Chen .Numerical analysis for the multi-phase flow of pulverized coal injection inside blast furnace tuyere[J].Applied mathematical modelling,2005(9):871-884. |
[13] | Rollet-Miet P;Laurence D;Ferziger J .LES and RANS of turbulent flow in tube bundles[J].International Journal of Heat and Fluid Flow,2001,20(03):39-52. |
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