V、Ti铁水-半钢脱硫热力学分析

来源 :2016年全国冶金物理化学学术会议 | 被引量 : 0次 | 上传用户:xia650
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  含V、Ti 铁水和半钢在脱硫预处理过程中,因铁液条件、脱硫剂组成、喷吹工艺的不同,其脱硫反应过程存在差异,这直接影响二者的脱硫效果。本文结合国内某厂现场条件,从S 活度、脱硫反应和极限S 含量三个方面进行分析,发现S 活度受温度T 和C 含量的影响比V、Ti 明显,脱硫反应跟CaO/Mg比值密切相关,半钢条件下的脱硫极限相比铁水条件要更低。从热力学角度对实际工艺提出理论性建议。
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