为了缩短国内某厂RH轻处理周期，对现行工艺进行了取样研究。结果表明：RH轻处理条件下脱碳阶段表观脱碳速率常数Kc几乎不受初始条件的影响，大约为0.19 min-1；纯循环阶段初期钢水铝比较低且波动较大，随着纯循环时间的延长逐渐升高并趋于稳定。根据研究结果给出了轻处理工艺最佳脱碳时间与纯循环时间的判定标准并进行了推广，工业实践表明，RH轻处理时间平均值降低了4 min，并且钢水具有良好的纯净度。
In order to shorten the period of RH light treatment process of a domestic steel plant,sampling investigation was carried out in current process.Results showed that the apparent decarburization rate constant was hardly affected by the initial conditions,with the value of about 0.19 min-1;The Als/Alt of steel was low and had a big fluctuation at the begin-ning of pure cycling period,but increased gradually as increasing pure cycling time until to be a stable value. The opti-mum decarburization time and pure cycling time were suggested based on the present investigation. Industrial trials showed that the period of RH light treatment process could be reduced by 4 mins,furthermore,the cleanness of steel was good.
参考文献
| [1] | 陈天明.攀钢3号RH处理工艺开发实践[J].炼钢,2011(05):16-19. |
| [2] | 李扬洲,张大德,薛念福,汪明东,张晓伶,礼重超,杜利华.RH-MFB真空处理工艺技术[J].钢铁钒钛,2001(03):42-45,63. |
| [3] | Takashiba N;Okamoto H;Aizawa K.Development of high-speed high-efficiency vacuumdecarburization techniques in RH de-gasser[A].北京,1994:127. |
| [4] | 景财良,罗伯钢,田志红.首钢京唐3号铸机高拉速工艺研究与实践[J].钢铁,2014(03):46-50. |
| [5] | 殷瑞钰.合理选择二次精炼技术,推进高效率低成本"洁净钢平台"建设[J].炼钢,2010(02):1-9. |
| [6] | 王敏,包燕平,崔衡,吴维双,陈斌,季晨曦,朱国森.RH轻处理与非轻处理工艺对比[C].第十六届全国炼钢学术会议论文集,2010:198-207. |
| [7] | 刘柏松,李本海,朱国森,陈斌,崔爱民,李焕喜.常规RH和RH-TOP工艺精炼IF钢试验研究[J].钢铁,2010(08):33-38. |
| [8] | 原羲明;平岡久 .極低炭素鋼N溶鋼再酸化挙動[J].川崎製鉄技報,1993,25(01):7. |
| [9] | 李崇巍,成国光,王新华,朱国森,崔爱民.RH吹氧操作对超低碳钢脱碳速率的影响[J].钢铁,2012(03):25-29,60. |
| [10] | 张钟铮,林洋,尚德礼,吕春风,康磊,廖相巍.RH精炼过程非金属夹杂物[J].钢铁,2014(04):32-35,53. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%