摘要
对梅山钢铁公司150t钢包建立水力学模型，试验研究不同喷嘴布置方式（单喷嘴、双喷嘴90°夹角布置和双喷嘴180。夹角布置）、布置位置（喷嘴距包底中心0．40R、0．55R、0．70R）和吹气量（35～60m^3／h）对钢包内钢液混匀时间及卷渣的影响，得出150t钢包底吹氩的优化工艺参数为单喷嘴0．55R布置，吹气量控制在45m^3／h。应用生产后，单包钢水在中间包两次测温的平均温差仅2．66℃，吹氩处理前后夹杂物含量下降了30．1％，Al收得率较工艺优化前提高了50％。
By establishing a water model for the 150 t ladle of Meishan Steel the influence of the nozzle arrangement （layout of single nozzle, double nozzle in 90 inclination and double-nozzle in 180 inclination ） and location （0.40R, 0. 55R and 0. 70R from ladle bottom center） of nozzle and flow rate of argon blowing （35-60 m^3/h） on mixing time and slag entrapment in the gas-stirring ladle has been investigated. The optimum process determined for the bottom argon blowing of 150 t ladle is single nozzle at 0.55R and 45 m^3/h flow rate of argon blowing. Since application of the process in the production average difference in two adjacent temperature measurements of the hot metal in the tundish is only 2. 66 ℃, the inclusion content decreases by 30. 1% after gas-stirring and the yield of Al increases by 50%.
出处
《炼钢》
CAS
北大核心
2009年第5期8-11,共4页
Steelmaking
关键词
钢包底吹氩
水模型
混匀时间
卷渣
ladle bottom argon blowing
water model
mixing time
slag entrapment
