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炼钢时用减压顶吹粉末的方法除杂质日本研究出一种称之为ＶＯＤ－ＰＢ的新的炼钢精炼方法，该法加快了脱碳与除氮、氢、硫的反应速度，并已在２．５ｔ工业真空感应电炉以及ＥＦ－ＶＯＤ炉上应用。其工艺的大致情况是：将一种小颗粒的粉末在减压条件下，从顶部的吹氩喷枪的...
Decontamination with Vacuum Top-Blowing Powder During Steelmaking Japan has developed a new steel-making refining method called VOD-PB that speeds up the reaction of decarburization and nitrogen, hydrogen and sulfur removal and 2.5t industrial vacuum induction furnace and EF-VOD furnace application. The general situation of its process is: a small particle powder under reduced pressure from the top of the argon blowing gun ...