To make steel the old-fashioned way, you blast iron ore with heat and purify the resulting molten metal with oxygen.
旧的炼钢方式是加热铁矿石使其燃烧，然后用氧气净化溶化的铁水。
The hydrogen and oxygen contents in the molten iron markedly increased with blast humidity, while the nitrogen content had nearly no detectable change.
铁水中氢、氧气体含量随空气湿度升高而显著增多，而含氮量基本不变。
The working principle, constitute, effect and applying prospect of new-type pneumatic molten iron sample delivery system for blast furnace were introduced.
介绍柳钢高炉新型风动送铁水样系统的工作原理、构成、使用效果以及应用前景。
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