| 汽雾冷却条件下转炉炉体瞬态温度场 |
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| 引用本文： | 李晓燕,林恒.汽雾冷却条件下转炉炉体瞬态温度场[J].北京工业大学学报,2009,35(6). |
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| 作者姓名： | 李晓燕 林恒 |
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| 作者单位： | 1. 高等教育出版社自然科学出版中心学术期刊分社,北京,100029
2. 北京航空航天大学仪器科学与光电工程学院,北京,100083 |
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| 摘 要： | 通过有限元方法,对汽雾冷却条件下大型转炉炉体瞬态温度场进行了三维有限元仿真分析及宝钢300 t大型转炉热电偶数据实测,研究了该条件下炉体瞬态温度场的分布及变化规律.实测的炉壳温度及其变化规律与有限元仿真结果吻合较好,证实了炉体瞬态温度场有限元分析的可信性.研究结果表明,汽雾冷却条件下炉壳温度呈锯齿形波动(降温速度快,升温较慢),平均降温速度为2～2.5℃/min.运用汽雾冷却技术,可将炉壳温度控制在材料热蠕变温度(约400℃)以下,有效抑制了炉壳热蠕变变形.
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| 关 键 词： | 转炉 汽雾冷却 瞬态温度场 有限元方法 |
The Distributions and Variations of the Instant-temperature-field of BOF During Spraying Cooling |
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| LI Xiao-yan,LIN Heng.The Distributions and Variations of the Instant-temperature-field of BOF During Spraying Cooling[J].Journal of Beijing Polytechnic University,2009,35(6). |
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| Authors: | LI Xiao-yan LIN Heng |
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| Affiliation: | 1.Journal Division of Natural Sciences;Academic Publishing Ceter;Higher Education Press;Beijing 100029;China;2.School of Instrumentation Science and Opto-electronics Engineering;Beihang University;Beijing 100083;China |
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| Abstract: | The distributions and variations of the instant-temperature-field of BOF during spray cooling have been studied.The instant-temperature-field FEA model for the converter has been established.Compared with the measured thermocouple data from 300 t Furnace of Bao Steel.FEA model reliability has been validated.It is found that the shell temperature line is a zigzag line:it goes down fast,then goes up slowly. The average cooling velocity is 2～2.5℃/min.With spraying cooling system,the shell temperature can be controlled under material's creeping temperature(about 400℃). |
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| Keywords: | basic oxygen furnace(BOF) spraying cooling the instant-temperature-field FEA |
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