基于MetCal的铜阳极炉精炼过程热力学仿真分析  

Thermodynamic simulation analysis of copper anode furnace refining process based on MetCal software

作　　者：徐少春 李明周[1,2] 赵志慧 钟立桦 何发友 黄金堤 XU Shaochun;LI Mingzhou;ZHAO Zhihui;ZHONG Lihua;HE Fayou;HUANG Jindi(School of Metallurgical Engineering,Jiangxi University of Science and Technology,Ganzhou 341000,China;Zijin Mining Group Co.,Ltd.,Longyan 361000,China;Chifeng Jintong Copper Industry Co.,Ltd.,Chifeng 024000,China)

机构地区：[1]江西理工大学冶金工程学院,赣州341000 [2]紫金矿业集团股份有限公司,龙岩361000 [3]赤峰金通铜业有限公司,赤峰024000

出　　处：《中国有色金属学报》2024年第9期3141-3155,共15页The Chinese Journal of Nonferrous Metals

基　　金：国家自然科学基金资助项目(52364047);江西省大学生创新创业项目(S202210407003);江西省科技厅自然科学基金资助项目(20212BAB204026);中国博士后科学基金资助项目(2019M662268);江西省博士后择优资助项目(2018KY15)。

摘　　要：基于所构建的铜阳极炉精炼过程热力学仿真模型及系统,计算了某典型阳极炉精炼生产工况,验证模型热力学分析的可行性,进而考察气料比(R_(GF))、石英熔剂率(R_(Flux))和精炼温度(t)等工艺参数对产物组成及杂质分配行为的影响。结果表明:提高R_(GF)、R_(Flux),可在一定程度上改变精炼渣组成,改善杂质入渣脱除效果,但因精炼渣量较小,除Co和Cr外其他杂质元素的实际入渣脱除率变化不大;提高温度对产物组分影响不大,但会降低杂质的脱除效果。综合工艺参数对阳极精炼过程的影响规律,得到的较优工艺参数为R_(GF)为22 m^(3)/t,R_(Flux)为0.16%,t为1200℃。在此条件下,铜液的Cu品位、S含量和O含量分别约为99.39%、0.0065%、0.17%。Based on the thermodynamic simulation model and system of copper anode furnace refining process,a typical anode furnace refining production condition was calculated to verify the feasibility of the thermodynamic analysis of the model,and then the effects of process parameters such as gas-to-material ratio(R_(GF)),quartz flux rate(R_(Flux))and refining temperature(t)on product composition and impurity distribution behavior were investigated.The results show that increasing R_(GF)and R_(Flux)can change the composition of refining slag and improve the removal effect of impurities into slag to a certain extent.However,due to the small amount of refining slag,the actual removal rate of other impurity elements except Co and Cr does not change much.Increasing the temperature has little effect on the product composition,but it will lead to a decrease in the removal of impurities.Based on the influence of comprehensive process parameters on the anode refining process,the optimum process parameters are R_(GF)=22 m^(3)/t,R_(Flux)=0.16%,t=1200℃.Under this condition,the Cu grade,S content and O content copper liquid are about 99.39%,0.0065%and 0.17%,respectively.

关 键 词：铜阳极炉精炼 MetCal软件 热力学 仿真分析 

分 类 号：TF811[冶金工程—有色金属冶金]