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由北京钢铁设计研究总院、北京冶金设备试制厂、天津钢厂第二炼钢厂三个单位组成的铁水脱硫联合试验组,经过三个阶段140罐次的工业试验,采用正交设计优选喷吹工艺参数,取得了明显的试验成果——当普通细石灰粉,单耗为14kg/t时,平均脱硫率为81.69％。1983年11月18日通过了“铁水喷吹脱硫工艺、设备(含扒渣机)的部级技术鉴定。
By the Beijing Iron and Steel Design and Research Institute, Beijing Metallurgical Equipment Trial Plant, the second steel mill in Tianjin Steel Works three units of hot metal desulfurization joint test group, after three stages of 140 cans of industrial tests, orthogonal design optimization spray Blowing process parameters, and achieved significant results - when the ordinary fine lime powder, unit consumption of 14kg / t, the average desulfurization rate was 81.69%. November 18, 1983 adopted the "hot metal injection desulfurization process, equipment (including slag machine) ministerial technical appraisal.