Physical Simulation of Inclusion Removal and Slag Entrapment in 210 t RH Refining Process
特殊钢2011年32卷第4期 页码:10-13
作者机构:
1. 武汉科技大学钢铁冶金及资源利用省部共建教育部重点实验室,武汉,430081
2. 华菱涟源钢铁有限公司,娄底,417009
作者简介:
[
"迟云广(1986-) ,男,硕士研究生,冶金过程数学物理模拟和计算机控制。"
]
基金信息:
DOI:
中图分类号:
收稿:2011-03-15,
网络首发:2022-10-31,
纸质出版:2011-10-31
稿件说明:
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迟云广, 沈巧珍, 吴墨环, 等. 210 t RH精炼过程夹杂去除和卷渣的物理模拟[J]. 特殊钢, 2011,32(4):10-13.
迟云广, 沈巧珍, 吴墨环, et al. Physical Simulation of Inclusion Removal and Slag Entrapment in 210 t RH Refining Process[J]. Special Steel, 2011, 32(4): 10-13.
迟云广, 沈巧珍, 吴墨环, 等. 210 t RH精炼过程夹杂去除和卷渣的物理模拟[J]. 特殊钢, 2011,32(4):10-13.DOI:
迟云广, 沈巧珍, 吴墨环, et al. Physical Simulation of Inclusion Removal and Slag Entrapment in 210 t RH Refining Process[J]. Special Steel, 2011, 32(4): 10-13.DOI:
研究了钢厂210 t RH精炼的处理时间、驱动气体流量、真空度、气孔数和浸入深度对夹杂物去除的影响以及底吹方式和气体流量对卷渣量的影响。模拟试验结果表明
处理24 min可去除约90%夹杂物
真空室下降时双透气砖短时间底吹氩气可明显减少钢液卷渣量。得出210 t RH精炼合适的工艺参数为驱动气体流量164.2m
3
/h
气孔数8个
浸入深度500mm
真空室绝对压力4000 Pa;双透气砖吹氩总流量为90m
3
/h。
Abstract
Effect of steel works 210 t RH refining treatment time
driving gas flow rate
vacuum
number of stomata and immersion depth on inclusion removal and the effect of bottom-blowing pattern and gas flow rate on amount of slag entrapment have been studied by using geometric similarity ratio 1:4 water model. Simulation test results show that the inclusions in liquid decrease by ~90% as treatment for 24 min and at vacuum chamber descending the short-term bottom argon blowing by double porous brick is obviously available to decrease the amount of slag entrapment in liquid. It is obtained that suitable process parameters for 210 t RH refining are driving gas flow rate- 164. 2 m
3
/h
8 stomata
immersion depth- 500 mm
absolute pressure in vacuum chamber- 4 000 Pa and double porous brick total argon blowing flow rate- 90 m