富氧顶吹熔融还原冶炼高磷铁矿与钛铁矿配矿的试验研究

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摘要采用模拟HIsmelt的富氧顶吹熔融还原技术冶炼惠民高磷铁矿与勐桥钛铁矿配矿，在温度为1500K，碱度为1.3, 配碳比为1.0的条件下，恒温时间20min（在升温过程中，没有通入惰性气体），恒温过程中通入O2（流量250L/h、纯度为99%）10min。恒温时间结束后，调整氧气流量为5L/h，保持其氧化性气氛至冷却。研究了不同配矿比例对铁回收率、生铁中磷、硫含量以及磷、硫分配比的影响。研究结果表明，在惠民铁矿和勐桥精矿的比例为1∶1时，其冶炼结果比较理想：铁的回收率为95.1%，生铁中磷的质量分数约为0.32%，硫的质量分数为0054%，钛的质量分数为0.031%。

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	郈亚丽

关键词 ：关键词：HIsmelt，熔融还原，高磷铁矿，钛铁矿

Abstract：Huimin high-phosphorus iron ore and ilmenite from Yunnan province was smelted by oxygen enriched top-blown smelting reduction iron-making technology. Much more details, such as iron recovery rate, distribution ratio of phosphorus and sulfur were discussed. Iron recovery could reach 95% with phosphorus content about 0.32%, sulfur content 0.054% and titanium content 0.031% in pig iron produced, under the conditions of 20min holding time at 1500K, basicity R of 1.3, C/O mole ratio of 1.0 and oxygen enriched flow rate of 250L/h and ore blending ratio of 1∶1. Oxidizing potential of top-space of SRV and slag combination can create the driving force to partition phosphorous and titanium to the slag, which ensure the success of the experiment.

收稿日期: 2011-04-08 出版日期: 2012-01-16

引用本文:

李慧斌，王华，郈亚丽，胡建杭，李幼灵,. 富氧顶吹熔融还原冶炼高磷铁矿与钛铁矿配矿的试验研究[J]. 钢铁, 2012, 47(1): 19-23. LI Hui-bin1,WANG Hua1,HOU Ya-li1,HU Jian-hang1,LI You-ling1, 2. Investigation of Iron Smelting With High-Phosphorus Iron Ore and Ilmenite by Oxygen Enriched Top-Blown Smelting Reduction. Iron and Steel, 2012, 47(1): 19-23.

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http://www.chinamet.cn/Jweb_gt/CN/ 或 http://www.chinamet.cn/Jweb_gt/CN/Y2012/V47/I1/19

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