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发明名称
预熔型低熔点碳化钙复合脱硫剂及其制备方法
摘要
本发明公开了一种预熔型低熔点碳化钙复合脱硫剂及其制备方法,按照以下组分和比例(重量)配制而成,碳化钙5-70%,氧化钙20-90%,氟化钙3-10%,催化剂0-10%。事先将氧化钙进行钝化处理,再将各组分按要求的比例混合,在高温炉中熔炼,然后经过破碎,制备成颗粒状或粉状脱硫剂。通过预熔处理,脱硫剂熔点降至1250-1400℃,明显提高了其在铁水(钢水)中的脱硫率,缩短了反应时间和生产周期;在达到同样脱硫效果的情况下,其用量比机械混合料减少50%以上。
申请公布号
CN1389580A
申请公布日期
2003.01.08
申请号
CN02120745.3
申请日期
2002.05.31
申请人
盛富春
发明人
盛富春;金东国
分类号
C21C7/064
主分类号
C21C7/064
代理机构
代理人
主权项
1、一种预熔型低熔点碳化钙复合脱硫剂,其特征是:按照以下组分和比例(重量)配制而成,碳化钙5-70%,氧化钙20-90%,氟化钙3-10%,催化剂0-10%。
地址
264003山东省烟台市莱山区迎春大街133号科创大厦A423室盛利达公司
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