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矿石在低钛的矿石 sintering 期间处理的原子核上的 sintering 液体的渗入行为

ISSN号：1004-7638
期刊名称：《钢铁钒钛》
时间：0
分类：TF046.4[冶金工程—冶金物理化学] TD862.7[矿业工程—金属矿开采;矿业工程—矿山开采]
作者机构：School of Metallurgy and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China
相关基金：financially supported by the Major State Basic Research Development Program of China （No. 2012CB720401）; the Natural Science Foundation of China and Baosteel （No. 51134008）; the National Natural Science Foundation of China （No. U1260202）

作者： Dong-hui Liu, Jian-liang Zhang, Xun Xue, Guang-wei Wang, Ke-jiang Li, Zheng-jian Liu

关键词：烧结过程, 钛矿石, 行为, 入渗, 晶核, O2含量, 残余强度, IVS, titanomagnetite vanadium ore treatment ore sintering infiltration

中文摘要：

泉华力量粗鲁的剩余和结合的阶段的自我紧张依赖于不仅而且在在他们之间的结合的度上。原子核矿石上的 sintering 液体的渗入行为影响结合的度，它最终决定泉华力量。渗入测试用微泉华的设备被进行。原来的液体(IAO ) 的渗入区域索引，第二等的液体(IVS ) 的渗入体积索引，和泉华身体结合力量(SBS ) 被建议学习 melt 渗入行为。结果证明 IVS 首先与在粘住的罚款增加 TiO ₂ 内容增加然后减少，而 IAO 展出相反的行为。与原来的液体相比，第二等的液体表演降低孔，更小的毛孔，和更一致的分发。SBS 增加第一然后与增加 IAO 和 TiO ₂ 内容，和活动范围减少最大值 IAO 和 TiO ₂ 什么时候满足，是约 0.5 并且 2.0wt% 分别地。SBS 首先增加然后趋于与增加 IVS 稳定。TiO ₂ 内容被建议在低钛的矿石 sintering 被控制到近似 2.0wt% 。

英文摘要：

Sinter strength is dependent not only on the self-intensity of the residual rude and bonding phase but also on the bonding degree between them. The infiltration behavior of sintering liquid on nuclei ores influences the bonding degree, which ultimately determines the sinter strength. Infiltration tests were conducted using micro-sinter equipment. The infiltration area index of original liquid（IAO）, infiltration volume index of secondary liquid（IVS）, and sinter body bonding strength（SBS） were proposed to study the melt infiltration behavior. The results show that the IVS first increases and then decreases with increasing TiO2 content in adhering fines, whereas the IAO exhibits the opposite behavior. Compared with the original liquid, the secondary liquid shows lower porosity, smaller pores, and more uniform distribution. The SBS increases first and then decreases with increasing IAO and TiO2 content, and reaches a maximum when the IAO and TiO2 contents are approximately 0.5 and 2.0wt%, respectively. The SBS first increases and then tends to be stable with increasing IVS. The TiO2 content is suggested to be controlled to approximately 2.0wt% in low-titanium ore sintering.

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