从热力学的观点出发,分析了钙质处理能使钢水脱氧、脱硫、改变夹杂物的形态的基本原理,根据钙的物理化学性质,确定钙处理的条件和方式,结合北营公司炼钢厂的设备条件,介绍钢水钙处理的工艺,较为详细的总结、分析了钢水钙处理在低碳、低硅铝镇静钢、耐侯钢和石油管线钢的应用效果。 From the viewpoint of thermodynamics, the basic principle that calcium treatment can deoxidize molten steel, desulfurization and change the morphology of inclusions is analyzed. According to the physicochemical properties of calcium, the conditions and ways of calcium treatment are determined. Equipment conditions, the introduction of calcium and steel processing technology, a more detailed summary, analysis of calcium and steel processing in low-carbon, low-silicon aluminum killed steel, weathering steel and oil pipeline steel application effect.