| 钇基稀土处理钢对Al-C质耐材水口结瘤的工业实验研究 |
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| 引用本文： | 温禄,赖朝彬,罗迪强,王学林,孙乐飞,操瑞宏.钇基稀土处理钢对Al-C质耐材水口结瘤的工业实验研究[J].有色金属科学与工程,2018,9(5):84-89. |
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| 作者姓名： | 温禄 赖朝彬 罗迪强 王学林 孙乐飞 操瑞宏 |
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| 作者单位： | 1.江西理工大学冶金与化学工程学院，江西 赣州 341000 |
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| 基金项目： | 国家自然科学基金资助项目51664021江西省自然科学基金资助项目20171ACB20020 |
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| 摘 要： | 针对某钢厂冶炼钇基稀土处理钢时采用Al-C质水口耐材导致的水口结瘤问题，用SEM和XRD对水口结瘤物成分进行了分析，在结瘤层及耐材与结瘤物交界处进行了扫描观察.结果表明，水口结瘤物的来源主要是钢液中稀土铝酸盐、硅酸盐等高熔点化合物的析出，和稀土钢液对耐材内衬的侵蚀，同时结合相图客观分析了Al-C质耐材在钇基稀土处理钢应用中的水口结瘤机理.
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| 关 键 词： | 水口结瘤 钇基稀土钢 Al-C质耐材 |
| 收稿时间： | 2018-05-31 |
Industrial experiment research on yttrium based rare earth treated steel on Al-C refractory |
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| Affiliation: | 1.School of metallurgical and chemical engineering, Jiangxi University of Science and Technology, Ganzhou 341000, China2.Xinyu iron and Steel Group Co., Ltd., Xinyu 338000, China |
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| Abstract: | In order to solve the problem of nozzle blockage caused by Al-C refractory for smelting yttrium based rare earth treated steel in a steel plant, the composition of the nodule of the nozzle was analyzed with SEM and XRD, and the junction of the nodulation layer and the nodule and the nodule was scanned.The results show that the main source of the nodule is the precipitation of high melting point compounds such as rare earth aluminates and silicates in molten steel, and the erosion of the rare earth steel liquid to the lining of the steel.The nodulation mechanism of the Al-C material in the application of yttrium based rare earth treatment steel is objectively analyzed by the phase diagram. |
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