260t复吹转炉单渣深脱磷工艺研究与实践  

Study and practice on technologies of deep dephosphorization with single slag in 260 t combined converter

作　　者：万雪峰[1] 李德刚[1] 曹东[1] 廖相巍[1] 赵刚[1] 贾吉祥[1] 

机构地区：[1]鞍钢股份有限公司技术中心,辽宁鞍山114009

出　　处：《炼钢》2011年第2期1-5,共5页Steelmaking

摘　　要：基于260 t复吹转炉进行单渣深脱磷工艺研究,优化了吹炼制度、造渣制度、温度制度等影响转炉脱磷效果的关键控制参数,并采取挡渣出钢、低磷合金及顶渣改质等控制回磷措施,实现复吹转炉单渣法出钢平均w(P)=75×10-6,成品平均w(P)=98×10-6的目标。Based on the technical study of deep dephosphorization with single slag in the 260 t combined blowing converter some key controlling parameters which affects dephosphorization effect in converter such as blowing, forming and temperature etc, are optimized. And by taking rephosphoration control measures such as tapping with stopping slag, adopting low phosphorus alloy and modifying the top slag in ladle etc, the average phosphorus mass fraction could reach 75 ×10^-6 at tapping in combined converter with single slag, and the average phosphorus mass fraction in finished product could reach 98 ×10^-6.

关 键 词：单渣 深脱磷 复吹转炉 

分 类 号：TF713[冶金工程—钢铁冶金]