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获得高质量钢的一个非常重要的工艺方法是钢水炉外惰性气体处理(氩气、氮气或氩氮混合气体),它能保证钢水化学成分,温度及脱气的均匀,清除浮渣并在浇注前得到最佳温度,使含氮钢氮合金化以及在真空状态下氧化渣处理时钢水脱碳。目前,切列波维茨冶金工厂电炉炼钢车间里70%的钢水施行氩和氮气处理。通过装在钢包底部耐火材料多孔砖往钢水里供气(图1)。从1971年开始积累大量不同方法往钢包供气
A very important process for obtaining high quality steels is the inert gas treatment (argon, nitrogen or argon-nitrogen mixed gas) outside the furnace, which ensures uniform chemical composition of the molten steel, temperature and degassing, scum removal, The best temperature was obtained before the alloying of nitrogen-containing steel with nitrogen and the decarburization of the molten steel during oxidation slag treatment under vacuum. Currently, 70% of the molten steel in the electric steelmaking shop at the Cherepovets Metallurgical Plant is treated with argon and nitrogen. The gas is supplied to the molten steel through the refractory perforated brick at the bottom of the ladle (Figure 1). Since 1971, a large number of different methods have been accumulated to supply ladle