Resource utilization of High-Ti vanadium titanomagnetite: Preparation and properties of sinter

IF 0.9 4区材料科学 Q3 METALLURGY & METALLURGICAL ENGINEERING

Metallurgical Research & Technology Pub Date : 2023-01-01 DOI:10.1051/metal/2023074

Zhenxing Xing, Gongjin Cheng, He Yang, Xiangxin Xue

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Abstract

In order to achieve the goal of resource utilization of High-Ti vanadium titanomagnetite (High-Ti VTM), the high-temperature sintering characteristics of High-Ti VTM were investigated by micro-sintering experiments, while the effects of different ordinary iron ore dosage and basicity on the sintering process parameters and sinter quality were investigated by sintering pot experiments. The results showed that the TiO 2 and SiO 2 contents increased gradually with increasing dosage of High-Ti VTM, and the liquid phase fluidity index and binder phase strength increased gradually, while the assimilation temperature and intergranular consolidation strength showed a decreasing trend. With the increase of the dosage of ordinary iron ore, the vertical sintering speed was reduced, while the sinter yield and tumble index gradually increased. As the basicity of the sinter gradually increased, the sintering time and the pulverization degree of the sinter gradually increased and the sinter yield gradually decreased, while the vertical sintering speed and the tumble index both showed a trend of first increasing and then decreasing. The results of the study provide data to support the preparation of sinter with High-Ti VTM.

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高钛钒钛磁铁矿的资源利用:烧结矿的制备及性能

为实现高钛钒钛磁铁矿的资源化利用目标，通过微烧结实验研究了高钛钛磁铁矿的高温烧结特性，通过烧结罐实验研究了不同普通铁矿用量和碱度对烧结工艺参数和烧结质量的影响。结果表明:随着高钛VTM用量的增加，tio2和sio2含量逐渐增加，液相流动性指数和粘结剂相强度逐渐增加，同化温度和晶间固结强度呈下降趋势;随着普通铁矿投加量的增加，垂直烧结速度降低，烧结产量和翻滚指数逐渐提高。随着烧结矿碱度的逐渐增大，烧结矿的烧结时间和粉碎程度逐渐增大，烧结矿产量逐渐降低，而垂直烧结速度和翻滚指数均呈现先增大后减小的趋势。研究结果为高钛VTM烧结矿的制备提供了数据支持。

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来源期刊

Metallurgical Research & Technology METALLURGY & METALLURGICAL ENGINEERING-

CiteScore

1.70

自引率

9.10%

发文量

审稿时长

4.4 months

期刊介绍： Metallurgical Research and Technology (MRT) is a peer-reviewed bi-monthly journal publishing original high-quality research papers in areas ranging from process metallurgy to metal product properties and applications of ferrous and non-ferrous metals and alloys, including light-metals. It covers also the materials involved in the metal processing as ores, refractories and slags. The journal is listed in the citation index Web of Science and has an Impact Factor. It is highly concerned by the technological innovation as a support of the metallurgical industry at a time when it has to tackle severe challenges like energy, raw materials, sustainability, environment... Strengthening and enhancing the dialogue between science and industry is at the heart of the scope of MRT. This is why it welcomes manuscripts focusing on industrial practice, as well as basic metallurgical knowledge or review articles.