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首页> 外文期刊>ISIJ international >Influencing Factors and Effects of Assimilation Characteristic of Iron Ores in Sintering Process
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Influencing Factors and Effects of Assimilation Characteristic of Iron Ores in Sintering Process

机译：铁矿石烧结过程同化特性的影响因素及影响

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摘要

Iron ore's assimilation characteristic reflecting the beginning formation temperature of liquid phase in sintering process plays very important role on the fluidity of liquid phase and bonding strength of sinter body. Experimental study of assimilation characteristics of 12 kinds of iron ores were conducted using micro-sinter equipment, and pure reagent simulating tests of assimilation characteristic were also carried out for the purpose of achieving the influence of chemical composition on the assimilation characteristic. In addition, effects of assimilation characteristic of iron ore on the fluidity and bonding capacity of bonding phase were also researched. This study showed that SiO_2 and LOI promoted the assimilation of iron ore, low Al_2O_3 (＜1.5 mass%) was good to the assimilation, but high Al_2O_3 (≥1.5 mass%) was bad, MgO was adverse to assimilation of magnetite concentrate. In addition, lower assimilation temperature of iron ore led to higher superheat degree of liquid phase at a certain sintering temperature, then higher liquid fluidity and bonding strength.
机译：反映烧结过程中液相开始温度的铁矿石的同化特性对液相的流动性和烧结体的结合强度起着非常重要的作用。利用微烧结设备对12种铁矿石的同化特性进行了实验研究，并对同化特性进行了纯试剂模拟试验，以达到化学成分对同化特性的影响。此外，还研究了铁矿石的同化特性对键合相流动性和键合能力的影响。研究表明SiO_2和LOI促进了铁矿石的同化，低Al_2O_3（＜1.5质量％）有利于同化，而高Al_2O_3（≥1.5质量％）不利，MgO不利于磁铁矿精矿的同化。另外，较低的铁矿石同化温度导致一定烧结温度下液相的过热度较高，进而使液体的流动性和结合强度较高。

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  • 来源
    《ISIJ international》 |2014年第3期|582-588|共7页
  • 作者

    Shengli WU; Guoliang ZHANG; Shaoguo CHEN; Bo SU;

  • 作者单位

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing (USTB), Xueyuan Road 30,Haidian District, Beijing, 100083 China;

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing (USTB), Xueyuan Road 30,Haidian District, Beijing, 100083 China;

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing (USTB), Xueyuan Road 30,Haidian District, Beijing, 100083 China;

    School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing (USTB), Xueyuan Road 30,Haidian District, Beijing, 100083 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    iron ore; sinter; assimilation characteristic; influencing factor; effect;

    机译：铁矿;烧结同化特性影响因素影响;

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