The emerging bottom blown copper smelting (SKS) technology has attracted growing interest since it came into production. To further reveal the agitation behavior inside the bath and optimize the variable parameters, CFD simulation was conducted on a scaled down SKS furnace model with different tuyere arrangements. The Multi-Fluid VOF model was used for the first time in SKS furnace simulation and the simulated results show good agreement with an experimental water model reported in the literature, in terms of plume shape and surface wave. It was found that a low velocity region would appear on the opposite side of the bubble plume and persisted for a long time. To enhance the agitation in the low velocity region and reduce the dead zone area, an arrangement with tuyeres installed at each side of the furnace was recommended. Results suggested that a smaller tuyere angle difference would help to strengthen the agitation in the system. However, further investigation indicated that the difference in tuyere angle between two rows of tuyeres should be limited within a certain range to balance the requirements of higher agitation efficiency and longer lining refractory lifespan.

自投产以来，新兴的底部吹铜冶炼（SKS）技术吸引了越来越多的兴趣。为了进一步揭示熔池内部的搅拌行为并优化可变参数，在按比例缩小的SKS炉模型（具有不同的风口布置）上进行了CFD模拟。在SKS炉模拟中首次使用多流体VOF模型，并且在烟羽形状和表面波方面，模拟结果与文献报道的实验水模型显示出良好的一致性。已经发现，低速区域将出现在气泡羽流的另一侧并持续很长时间。为了增强低速区域的搅动并减少死区面积，建议在炉子的每侧安装风嘴。结果表明，较小的风口角差将有助于增强系统中的搅动。然而，进一步的研究表明，两排风口之间的风口角差异应限制在一定范围内，以平衡更高的搅拌效率和更长的衬里耐火材料寿命的要求。