硼酸钙对铜渣中夹杂铜沉降效果的影响

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石瑀，李博，戴广平，周世伟，王华，魏永刚*

1. 昆明理工大学冶金与能源工程学院
2. 昆明理工大学

收稿日期:2018-08-28修回日期:2018-10-11出版日期:2019-06-22发布日期:2019-06-20
通讯作者:魏永刚

基金资助:铜熔渣喷吹地沟油还原贫化的基础研究

Effect of calcium borate on sedimentation of copper inclusions in copper slag

Yu SHI, Bo LI, Guangping DAI, Shiwei ZHOU, Hua WANG, Yonggang WEI*

State Key Laboratory of Complex Nonferrous Metal Resources Clean Utilization, Faculty of Metallurgy and Energy Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, China

Received:2018-08-28Revised:2018-10-11Online:2019-06-22Published:2019-06-20
Contact:Yonggang WEI

摘要/Abstract

摘要： 考察了添加剂CaB2O3对转炉铜渣中夹杂铜沉降效果的影响，并结合铜渣的粘度测试及红外光谱表征，研究其影响机理，采用FactSage软件计算了添加剂对铜渣液相线温度的影响。结果表明，随添加剂含量增大，铜渣中夹杂铜的沉降效果逐渐增强，添加剂含量由0增至6wt%时，底部渣含铜量由4.10wt%增至6.85wt%，这是由于添加剂可有效降低铜渣粘度。随添加剂含量增大，渣粘度降低，但降低效果随温度增大而趋于平缓。随添加剂含量增大，铜渣的硅酸盐结构趋于简化，添加剂通过破坏铜渣复杂的硅酸盐结构降低铜渣粘度。铜渣的液相线温度随添加剂含量增大而减小，添加剂通过减少渣中固体颗粒的方式降低铜渣粘度。

引用本文

石瑀李博戴广平周世伟王华魏永刚. 硼酸钙对铜渣中夹杂铜沉降效果的影响[J]. 过程工程学报, 2019, 19(3): 553-559.
Yu SHI Bo LI Guangping DAI Shiwei ZHOU Hua WANG Yonggang WEI. Effect of calcium borate on sedimentation of copper inclusions in copper slag[J]. Chin. J. Process Eng., 2019, 19(3): 553-559.

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