Numerical Simulation of Multiphase Flow in Top-Blown Converter Smelting Lead Anode Slime Process

IF 2.1 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

JOM Pub Date : 2024-08-21 DOI:10.1007/s11837-024-06723-y

Ai-liang Chen, Yao Liu, Huan-Wu Zhan, Xue-Xian Jiang, Feng-Long Sun, Jiann-Yang Hwang, Xijun-Zhang

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Abstract

A two-dimensional mathematical model of the multiphase flow field during top blowing was created. The model is based on the rotating top-blown furnace of a certain copper plant's lead anode slime. The accuracy of the model was validated by comparing the results with empirical formulas. The study investigated the multiphase flow behavior under production conditions, utilizing the standard k–ε turbulence model and the VOF multiphase flow model. The effects of top-blown operating pressure, nozzle Mach number, lance position, and melt depth on the jet flow have been analyzed. It was discovered that the top-blown operating pressure and lance position have the most significant impact on the refining effect. The optimal operating parameters were determined as follows: operating pressure of 0.6 MPa, nozzle Mach number of 1.5, lance position at 0.5 m, and melt depth of 1.5 m. These can provide guidance for optimizing the production conditions of the lead anode slime rotating top-blown furnace.

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顶吹式转炉熔炼铅阳极泥过程中多相流的数值模拟

建立了顶吹过程中多相流场的二维数学模型。该模型基于某铜厂铅阳极泥旋转顶吹炉。通过将结果与经验公式进行比较，验证了模型的准确性。该研究利用标准 k-ε 湍流模型和 VOF 多相流模型研究了生产条件下的多相流行为。分析了顶吹工作压力、喷嘴马赫数、喷枪位置和熔体深度对射流的影响。结果发现，顶吹操作压力和喷枪位置对精炼效果的影响最大。确定的最佳操作参数为：操作压力为 0.6 MPa，喷嘴马赫数为 1.5，喷枪位置为 0.5 m，熔深为 1.5 m。

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来源期刊

JOM 工程技术-材料科学：综合

CiteScore

4.50

自引率

3.80%

发文量

540

审稿时长

2.8 months

期刊介绍： JOM is a technical journal devoted to exploring the many aspects of materials science and engineering. JOM reports scholarly work that explores the state-of-the-art processing, fabrication, design, and application of metals, ceramics, plastics, composites, and other materials. In pursuing this goal, JOM strives to balance the interests of the laboratory and the marketplace by reporting academic, industrial, and government-sponsored work from around the world.