(1. 中南大学 冶金与环境学院，长沙 410083；
2. 有色金属资源循环利用国家地方联合工程研究中心，长沙 410083；
3. 东营方圆有色金属有限公司，东营 257091；
4. 河南中原黄金冶炼厂有限责任公司，三门峡472000)
摘 要: 富氧底吹炼铜是一种典型的现代强化炼铜工艺。基于已建立的富氧底吹铜熔炼多相平衡模型，采集了国内某底吹炼铜厂实际生产数据对其进行验证，利用验证后模型对铜富氧底吹强化熔炼过程进行模拟计算，研究入炉物料成分(Cu、Fe、S)和工艺参数(铜锍品位、富氧浓度、氧矿比)变化对伴生元素Pb、Zn分配行为的影响。结果表明：提高入炉物料中Cu含量或降低Fe、S含量，适当提高铜锍品位、富氧浓度和氧矿比，有利于Pb、Zn伴生元素向炉渣中定向分离；为提高Pb、Zn脱除率，建议调控入炉物料中Cu、Fe、S含量分别为25%~26%、16%~19%、27%~28.5%，控制铜锍品位、富氧浓度、氧矿比分别为72%~73.5%、80%~81%、166~168 m3/t。
关键字: 富氧强化；铜熔炼；多相平衡；伴生元素；分配行为
（1. School of Metallurgy and Environment, Central South University, Changsha 410083, China;
2. National and Regional Joint Engineering Research Center of Nonferrous Metal Resources Recycling, Changsha 410083, China;
3. Dongying Fangyuan Nonferrous Metals Co., Ltd., Dongying 257091, China;
4. Henan Zhongyuan Gold Smelter Co., Ltd., Shanmenxia 472000, China）
Abstract:The oxygen-enriched bottom blowing copper smelting is a typical modern intensified copper smelting process. The established multi-phase equilibrium model of oxygen-enriched bottom blowing copper smelting was verified with industrial production data. The verified model was used to calculate the influence of the concentrate composition (Cu, Fe, S) and process parameters (copper matte grade, oxygen-enriched concentration, oxygen-ore ratio) on the distribution behavior of minor elements. The results show that, increasing the content of Cu or reducing the content of Fe and S in the concentrate, and appropriately increasing the copper matte grade, oxygen-enriched concentration and oxygen-ore ratio are beneficial to Pb and Zn into the slag. In order to improve the removal rate of Pb and Zn, it is recommended to adjust the Cu, Fe and S contents in the concentrate to 25%-26%, 16%-19%, 27%-28.5% respectively, and control the copper matte grade, oxygen enrichment concentration and oxygen ore ratio to 72%-73.5%, 80%-81%, and 166-168 m3/t, respectively.
Key words: oxygen-enriched reinforcement; copper smelting; multi-phase; minor elements; distribution behavior
