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答:为提高转炉挡渣效果,国内外在挡渣技术方面进行了深入研究,自1970年日本发展挡渣球出钢挡渣方法以来,各国为完善挡渣技术,发明了十几种挡渣方法。从挡渣技术的发展趋势来看,国外正在逐步从有形挡渣法向无形挡渣法方向发展。由于用挡渣球等有形挡渣物挡渣,材料消耗高,挡渣效果不理想。国外不少钢厂已采用了无形挡渣法,并配
A: In order to improve the slag blocking effect of the converter, in-depth study has been conducted on the slag-blocking technology both at home and abroad. Since 1970, Japan has developed a slag-stopping slag-tapping technology. In order to improve the slag-blocking technology, various countries have invented dozens of slag- method. From the development trend of slag technology point of view, foreign countries are gradually from the visible tangible slag blocking method to the direction of development. Due to the use of tampons and other physical slag slag blocking material, high material consumption, slag effect is not satisfactory. Many foreign steel mills have adopted invisible slag method, and with