120t转炉底吹工艺水模试验与优化设计
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Abstract：Inorder to improve the efectofcombined blownconverter，a cold water model test was carredoutona 120 t topand botom combined blownconverter.Byanalyzingthetestresults，theoptimum process parametersof 12O tcombined blowing converter were determined.
Key words： top and bottom blowing; water simulation; top gun position; mixing time
顶底复吹工艺优化研究对改善复吹转炉熔池搅拌效果，满足不同吹炼阶段对冶金反应动力学条件的要求，达到吹炼平稳，缩短冶炼时间，提高冶炼效果，降低终点钢液含氧量和炉渣氧化铁量，降低炼钢成本，具有重要的意义[-3]。（剩余3519字）