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包钢钢联股份有限公司技术中心,包头,014010
[ "陈爱梅(1967-),女,正高级工程师,1989年鞍山科技大学毕业,炼钢工艺和质量研究。" ]
收稿:2012-05-28,
网络首发:2022-09-27,
纸质出版:2012-09-27
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陈爱梅. 薄板厂210 t RH脱气工艺研究[J]. 特殊钢, 2012,33(6):16-17.
陈爱梅. A Study on 210 t RH Vacuum Degas Process at a Sheet Works[J]. Special Steel, 2012, 33(6): 16-17.
陈爱梅. 薄板厂210 t RH脱气工艺研究[J]. 特殊钢, 2012,33(6):16-17. DOI:
陈爱梅. A Study on 210 t RH Vacuum Degas Process at a Sheet Works[J]. Special Steel, 2012, 33(6): 16-17. DOI:
通过210t顶底复吹转炉-LF-RH-宽厚板坯连铸流程对Q345E、Q345GJC和BQ550D等钢种进行45炉次RH脱气工艺试验
研究了RH真空处理对钢水脱氢、脱氧和脱氮效果的影响。得出
在RH真空度≤270Pa
环吹氩流量1200~1500L/min
高真空时间≥10min
钢中氢含量可达到≤2×10
-6
当高真空时间为16min时
钢中氢、氧、氮含量平均分别为2.0×10
、13.2×10
和41×10
。
RH vacuum degas process test on 45 heats Q345E
Q345GJC and BQ550D etc. steel grades has been carried out by 210 t top and bottom combined blown converter-LF-RH-wide heavy slab CC flow sheet
and the effect of RH vacuum treatment on liquid dehydrogenation
deoxidization and denitriding is studied. It is obtained that with RH vacuum ≤270 Pa
circle blowing argon rate 1 200 〜1 500 L/min
high vacuum treatment for ≥ 10 min the hydrogen content in steel is ≤2 x 10
and with high vacuum treatment for 16 min the hydrogen
oxygen and nitrogen content in steel are respectively 2 x 10
13. 2 x 10
and 41.0 x 10
.
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