LF精炼无氟渣系生产Q345qE生产实践  

PROCESS STUDY ON CANCELLING FLUORITE OF STEEL-REFINING BY LF

作　　者：栾文林[1] 刘志远[1] 王重君 么敬文 Luan Wenlin;Liu Zhiyuan;Wang Chongjun;Yao Jingwen(Tangshan Heavy Plate Co.,Ltd.,Hebei iron and Steel Group Tangshan 063000,China)

机构地区：[1]唐山中厚板材有限公司,唐山063000

出　　处：《冶金信息导刊》2023年第6期43-45,7,共4页Metallurgical Information Review

摘　　要：根据不同精炼渣系的特点,唐山中厚板公司选择无氟的CaO-Al_(2)O_(3)-SiO_(2)渣系,同时优化转炉脱氧工艺,采用循环渣利用技术,实现了精炼工序取消萤石。生产实践表明,该渣满足了唐山中厚板材有限公司BOF-LF-CC工艺生产Q345qE的要求,为高效生产和清洁生产奠定了基础。Based on the characteristics of different refining slag systems,Tangshan Heavy Plate Co Ltd has chosen the fluorine-free CaO-Al_(2)O_(3)-SiO_(2) slag system,optimized the converter deoxygenation process,and adopted cyclic slag utilization technology to achieve the elimination of fluorite in the refining process.The industrial practice showed that the slag was suitable for producing Q345qE in Tangshan Heavy Plate Co Ltd,and also establishing the foundation of high efficiency production and cleaner production.

关 键 词：LF 无氟精炼渣 脱氧 脱硫 

分 类 号：TF7[冶金工程—钢铁冶金]