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1 前言JFE钢铁公司西日本制铁所(福山地区)采用图1所示的长水口烧嘴对钢包进行干燥,底部容易受烧嘴火焰影响,干燥所需时间很长。干燥的关键部位,即底部在干燥过程中温度的波动问题得以消除,由此缩短了干燥时间,提高了钢包运转率,减少了干燥所用的公辅用量。
1 Introduction JFE Steel West Nippon Steel (Fukuyama) uses the long nozzle burner shown in Fig. 1 to dry the ladle. The bottom of the ladle is easily affected by the flame of the burner and takes a long time to dry. Dry key parts, that is, the bottom of the temperature fluctuations in the drying process to be eliminated, thereby shortening the drying time and improve the ladle run rate, reducing the amount of public and auxiliary use of dry.