Jisco Converter Slag Splashing Technology Optimization Study

The problems of instability of lining life and the overmuch times of repairing converter and the insignificant results of slag splashing are existing since steel-mill of Jiuquan Iron & Steel Co. adopting this new project. The chemical composition and the physical properties were analyzed on the basis of investigation. The study of hydraulic model of slag splashing was undertaken.The cause of influencing the results of slag splashing were found out and thispointed out the orientation of optimization of slag splashing Process.It was found out that the ratio of slag splashing is lower now, and the contentof final slag is unsuitable .The Practice of slag splashing is normative.The methods to solve this are adjusting some parameters of slag splashing and increasing the ratio of it; adding the amount of adjusting slag in order to increase the amount of MgO and decrease the amount of FeO in slag. The suitable amount of slag and the stable pressure and flow rate of N₂ should be supplied. The strict specification should be planned to ensure the practice of slag splashing.