Fundamental study on utilization of tin and zinc-bearing iron concentrate by selective chlorination

JIANG Tao; ZHANG Yuan-bo; HUANG Zhu-cheng; LI Guang-hui; GUO Yu-feng; YANG Yong-bin; JIN Yong-shi

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Fundamental study on utilization of tin and zinc-bearing iron concentrate by selective chlorination

机译：选择性氯化法利用锡和锌的铁精矿的基础研究

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The feasibility and technologies of comprehensive recovery of tin, zinc, arsenic and iron from the complex iron ores by selective chlorination roasting were studied by thermodynamic analysis and roasting experiments.Investigation shows that the product pellets with the compression strength of 2 625 N/P, the tumble index of 97.26%, the abrasion index of 1.35%, tin, arsenic and zinc residue of 0. 043%, 0. 046% and 0.058% respectively can be achieved if balling a concentrate containing 0. 39% tin, 0.40% arsenic and 0.28% with addition of 8% coke breeze and 0. 5% CaCl2 and roasting the pellets at 1 060 - 1 080 ℃ for 40 min. The volatilization of tin, arsenic and zinc is 91.75%, 93.42% and 81.12% respectively. The performances of the product pellets are able to meet the requirements of blast furnace ironmaking.

机译：通过热力学分析和焙烧实验研究了选择性氯化焙烧从复杂铁矿石中综合回收锡，锌，砷和铁的可行性和技术。研究表明，该产品为抗压强度为2625 N / P的颗粒。如果将含0. 39％锡，0.40％的精矿进行球磨，可分别获得97.26％的滚降指数，1.35％的耐磨指数，0。043％，0。046％和0.058％的锡，砷和锌残留量。砷和0.28％，再加入8％的微风和0.5％的CaCl2，然后在1 060-1 080℃下焙烧颗粒40分钟。锡，砷和锌的挥发分别为91.75％，93.42％和81.12％。产品颗粒的性能能够满足高炉炼铁的要求。

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《中国有色金属学报（英文版）》 |2005年第004期|902-907|共6页
作者
JIANG Tao; ZHANG Yuan-bo; HUANG Zhu-cheng; LI Guang-hui; GUO Yu-feng; YANG Yong-bin; JIN Yong-shi;
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作者单位

School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China;

School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China;

School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China;

School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China;

School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China;

School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China;

School of Resources Processing and Bioengineering, Central South University, Changsha 410083, China;

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收录信息中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
原文格式 PDF
正文语种 chi
中图分类矿石预处理、烧结、团矿;
关键词
selective chlorination; comprehensive recovery; tin; zinc; complex iron ore;

机译：选择性氯化;综合回收;锡;锌;复杂铁矿石;

Fundamental study on utilization of tin and zinc-bearing iron concentrate by selective chlorination

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