以VD脱氢热力学和动力学为基础,分析了众多因素吹氩流量、真空度、保持真空时间、炉渣碱度和初始氢含量对VD脱氢的影响。对120 t VD的吹氩流量、真空度和保持真空时间等参数进行了优化。结果表明,VD的脱氢效果得到了显著提升,脱氢率基...以VD脱氢热力学和动力学为基础,分析了众多因素吹氩流量、真空度、保持真空时间、炉渣碱度和初始氢含量对VD脱氢的影响。对120 t VD的吹氩流量、真空度和保持真空时间等参数进行了优化。结果表明,VD的脱氢效果得到了显著提升,脱氢率基本都稳定在70%以上,平均脱氢率由优化前的56.2%提高到82.6%,最高脱氢率达92.8%。展开更多
The motion of melt droplets in spray degassing process was analyzed theoretically. The height of the treatment tank in spray degassing process couM be determined by the results of theoretical calculation of motion of ...The motion of melt droplets in spray degassing process was analyzed theoretically. The height of the treatment tank in spray degassing process couM be determined by the results of theoretical calculation of motion of melt droplets. To know whether the melt droplets wouM solidify during spraying process, the balance temperature of melt droplets was also theoretically analyzed. Then proof experiments for theoretical results about temperature of melt droplets were carried. In comparison, the experimental results were nearly similar to the calculation results,展开更多
文摘以VD脱氢热力学和动力学为基础,分析了众多因素吹氩流量、真空度、保持真空时间、炉渣碱度和初始氢含量对VD脱氢的影响。对120 t VD的吹氩流量、真空度和保持真空时间等参数进行了优化。结果表明,VD的脱氢效果得到了显著提升,脱氢率基本都稳定在70%以上,平均脱氢率由优化前的56.2%提高到82.6%,最高脱氢率达92.8%。
文摘The motion of melt droplets in spray degassing process was analyzed theoretically. The height of the treatment tank in spray degassing process couM be determined by the results of theoretical calculation of motion of melt droplets. To know whether the melt droplets wouM solidify during spraying process, the balance temperature of melt droplets was also theoretically analyzed. Then proof experiments for theoretical results about temperature of melt droplets were carried. In comparison, the experimental results were nearly similar to the calculation results,
