承鋼釩鐵爐底吹N<sub>2</sub>水模型試驗研究

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承鋼釩鐵爐底吹N₂水模型試驗研究

1. School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China;
2. School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China;
3. Beijing Metallurgical Equipment Research & Design Corporation Ltd., China Metallurgical Group Corporation, Beijing 100029, China

摘要: 通過建立1：2的比例的水力學模型，對承德鋼鐵集團有限公司釩鐵車間2t的釩鐵爐底吹N₂進行了水力學模擬實驗，同時利用正交分析，主要考察了不同的吹氣孔位置、吹氣流量對鐵水混勻時間以及熔池流態的影響.結果表明：不同的底吹氣孔組合以及氣體流量的控制，會對熔池的混勻產生很大的影響.對實驗數據采取正交分析，可以發現當吹氣孔位置為e-b-d，吹氣流量為1092 L·min^-1時，氣體對熔池的攪拌能力是最強的，此時鐵水混勻所需時間最短，且流場分布合理.
- 電弧爐 /
- 水模擬 /
- 混勻時間 /
- 流態
Abstract: A water model was established by the ratio of 1:2 to simulate bottom blowing of N₂ in a 2t EAF in the CISC's ferrovanadium plant,the influences of different blowing positions and different blowing quantities to the mixing time and flow pattern were mainly investigated through orthogonal analysis. The result shows that the various bottom-blowing patterns and blowing quantities have greatly influence on the molten pool mixing. With orthogonal analysis on the experimental data,it is found that the mixing effect of the blowing gas to the bath is the strongest,the mixing time is the shortest and distribution of flow is reasonable,when the blowing holes is e-b-d and blowing quantity is 1092 L·min ^-1.
- EAF /
- water modeling /
- mixing time /
- flow patterns