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投稿时间:2021-09-27 修订日期:2021-10-01
投稿时间:2021-09-27 修订日期:2021-10-01
中文摘要: 针对多膛炉焙烧氧化锌烟尘氟氯脱除率低的问题,开展氧化锌烟尘焙烧过程热力学分析,基于热力学分析结果进行试验验证。研究结果表明:在烟气流量400mL/min,烟气成分为SO2 0.32%、O2 7.61%、H2O 9.61%、N2 82.46%(烟气成分为模拟回转窑烟气),焙烧温度700 ℃,焙烧时间210 min的较优条件下,氟氯的脱除率分别为98.06%、91.56%。
Abstract:To address low removal rate of fluorine and chlorine from zinc oxide flue dust roasted in multi hearth furnace, thermodynamic analysis of zinc oxide flue dust roasting process was carried out, and experimental verification was carried out based on thermodynamic analysis results. The results show that removal rates of fluorine and chlorine is 98.06% and 91.56% respectively under the condition including flue gas flow of 400 mL/min, flue gas components of SO2 0.32%, O2 7.61%, H2O 9.61%, N2 82.46% (simulation of flue gas of rotary kiln), roasting temperature of 700 ℃, and roasting time of 210 min.
文章编号: 中图分类号: 文献标志码:
基金项目:国家重点研发计划项目(2018YFC1900405)
作者 | 单位 | |
吴星琳* | 紫金矿业集团股份有限公司 | a819224067@qq.com |
林泓富 | 紫金矿业集团股份有限公司 中南大学 | |
张恒星 | 紫金矿业集团股份有限公司 | |
陈杭 | 紫金矿业集团股份有限公司 昆明理工大学 | |
匡晨 | 紫金矿业集团股份有限公司 | |
衷水平 | 紫金矿业集团股份有限公司 福州大学 | |
迟晓鹏 | 福州大学紫金矿业学院 |
Author Name | Affiliation | |
WU Xing-lin | Zijin mining group co | a819224067@qq.com |
LIN Hong-fu | ||
ZHANG Hen-xing | ||
CHEN Hang | ||
KUANG Chen | ||
ZHONG Shui-ping | ||
CHI Xiao-peng |
引用文本:
吴星琳,林泓富,张恒星,陈杭,匡晨,衷水平,迟晓鹏.氧化锌烟尘焙烧除氟氯强化工艺研究[J].有色金属(冶炼部分),2022(2):21-26.
WU Xing-lin,LIN Hong-fu,ZHANG Hen-xing,CHEN Hang,KUANG Chen,ZHONG Shui-ping,CHI Xiao-peng.Study on Strengthening Process of Removal of Fluorine and Chlorine from Zinc Oxide Dust by Roasting[J].Nonferrous Metals (Extractive Metallurgy),2022(2):21-26.
吴星琳,林泓富,张恒星,陈杭,匡晨,衷水平,迟晓鹏.氧化锌烟尘焙烧除氟氯强化工艺研究[J].有色金属(冶炼部分),2022(2):21-26.
WU Xing-lin,LIN Hong-fu,ZHANG Hen-xing,CHEN Hang,KUANG Chen,ZHONG Shui-ping,CHI Xiao-peng.Study on Strengthening Process of Removal of Fluorine and Chlorine from Zinc Oxide Dust by Roasting[J].Nonferrous Metals (Extractive Metallurgy),2022(2):21-26.