| 粗颗粒污泥选别活性铁粉的工艺改进实践 |
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| 引用本文： | 赵爱新.粗颗粒污泥选别活性铁粉的工艺改进实践[J].山东冶金,2013(5):54-55. |
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| 作者姓名： | 赵爱新 |
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| 作者单位： | 济南济钢铁合金厂,山东 济南,250105 |
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| 摘 要： | 济钢粗颗粒污泥采用一级磨矿＋磁选重选工艺提取活性铁粉，由于原料成分波动大，选别一直无法达到预想效果，通过对现有工艺进行分析，改进采用磁选＋重选＋摇选组合式选别工艺，使粗颗粒污泥选别活性铁粉达到了设计要求，得到了活性铁粉品位88%以上、全铁92%以上的活性铁粉，并实现了产线的连续稳定运行。
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| 关 键 词： | 炼钢污泥 活性铁粉 品位 TFe |
Practice of Improving Process of Concentrating Active Iron Powder from Coarse Granular Sludge |
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| ZHAO Aixin.Practice of Improving Process of Concentrating Active Iron Powder from Coarse Granular Sludge[J].Shandong Metallurgy,2013(5):54-55. |
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| Authors: | ZHAO Aixin |
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| Affiliation: | ZHAO Aixin (Jinan Jigang Iron Alloy Factory, Jinan 250105, China) |
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| Abstract: | Active iron powder was extracted from Jinan Steel’s coarse granular sludge by first grinding ＋ magnetic gravity beneficiation process. Because of large fluctuation in the chemical composition of raw materials, the concentrating process can not be to achieve desired effect. Through the analysis of existing processes and implementing the combination process included magnetic dressing＋gravity concentration＋shaker dressing, active iron powder with 88%above grade and 92%above TFe was got, realizing continuous and stable operation of the production line. |
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| Keywords: | steelmaking sludge active iron grade TFe |
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