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The effects of different TiO2 contents on the basic characteristics of sintering and quality index of sinter are studied with small sintering method and sintering cup. The study results showed that the liquid phase fluidity index and generative capacity of calcium ferrite decreased, the strength of binder phase tended to decrease and strength of crystal stock tended to increase with the increases of TiO2 content in iron charge and assimilative temperature; the yield and drum strength of sinter decreased as well as solid fuel consumption tended to increase; the magnetite content in mineral composition of sinter tended to increase, crystal obviously increased, production of calcium ferrite decreased, perovskite content tended to increase and the change of hematite was not obvious; the low-temperature reduction degradation index of sinter tended to get worse and melting range became narrower.

, authors=Zhou-li Liu, Xiao-guang Bai, Yu-zhu Li, authorsList=Zhou-li Liu, Xiao-guang Bai, Yu-zhu Li, authorCompany=null, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1319241570545677173, articleId=1319241569727787890, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=TiO2对烧结矿质量的影响研究, columnId=1185882039552193444, journalTitle=包钢科技, columnName=生产实践与管理, runingTitle=null, highlight=null, articleAbstract=

利用微型烧结和烧结杯两种方法研究了不同TiO2含量对烧结基础特性和烧结矿质量指标的影响,研究结果表明:随着铁料中TiO2含量的增加,同化性温度升高,液相流动性指数和铁酸钙生成能力下降,黏结相强度呈降低的趋势,连晶强度呈增加的趋势;烧结矿成品率和转鼓强度降低,固体燃耗呈增加的趋势;烧结矿矿物组成中磁铁矿含量呈增加趋势,且晶粒明显增大,铁酸钙生成量降低,钙钛矿含量呈增加的趋势,赤铁矿变化不明显;烧结矿低温还原粉化指数有变差的趋势,熔融区间变窄。

, authors=刘周利, 白晓光, 李玉柱, authorsList=刘周利, 白晓光, 李玉柱, authorCompany=null, correspAuthors=null, authorNote=

刘周利(1984-),男,陕西省凤翔县人,硕士,高级工程师,现从事炼铁原料及工艺研究工作。

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刘周利(1984-),男,陕西省凤翔县人,硕士,高级工程师,现从事炼铁原料及工艺研究工作。

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刘周利(1984-),男,陕西省凤翔县人,硕士,高级工程师,现从事炼铁原料及工艺研究工作。

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TiO2对烧结矿质量的影响研究
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刘周利 , 白晓光 , 李玉柱
包钢科技 | 生产实践与管理 2020,46(5): 29-33
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包钢科技 |生产实践与管理 2020 , 46 (5) : 29 -33
TiO2对烧结矿质量的影响研究
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刘周利, 白晓光, 李玉柱
作者信息
  • 内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
作者简介:

刘周利(1984-),男,陕西省凤翔县人,硕士,高级工程师,现从事炼铁原料及工艺研究工作。

Study on Effects of TiO2 on Sinter Quality
Zhou-li Liu, Xiao-guang Bai, Yu-zhu Li
Affiliations
  • Technical Center of Inner Mongolia Baotou Steel Union Co., Ltd., Baotou 014010, Inner Mongolia Autonomous Region, China
出版时间: 2020-10-25 doi: 10.13647/j.cnki.btgkj.2020.05.011
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利用微型烧结和烧结杯两种方法研究了不同TiO2含量对烧结基础特性和烧结矿质量指标的影响,研究结果表明:随着铁料中TiO2含量的增加,同化性温度升高,液相流动性指数和铁酸钙生成能力下降,黏结相强度呈降低的趋势,连晶强度呈增加的趋势;烧结矿成品率和转鼓强度降低,固体燃耗呈增加的趋势;烧结矿矿物组成中磁铁矿含量呈增加趋势,且晶粒明显增大,铁酸钙生成量降低,钙钛矿含量呈增加的趋势,赤铁矿变化不明显;烧结矿低温还原粉化指数有变差的趋势,熔融区间变窄。

TiO2  /  烧结矿  /  质量  /  研究

The effects of different TiO2 contents on the basic characteristics of sintering and quality index of sinter are studied with small sintering method and sintering cup. The study results showed that the liquid phase fluidity index and generative capacity of calcium ferrite decreased, the strength of binder phase tended to decrease and strength of crystal stock tended to increase with the increases of TiO2 content in iron charge and assimilative temperature; the yield and drum strength of sinter decreased as well as solid fuel consumption tended to increase; the magnetite content in mineral composition of sinter tended to increase, crystal obviously increased, production of calcium ferrite decreased, perovskite content tended to increase and the change of hematite was not obvious; the low-temperature reduction degradation index of sinter tended to get worse and melting range became narrower.

TiO2  /  sinter  /  quality  /  study
刘周利, 白晓光, 李玉柱. TiO2对烧结矿质量的影响研究. 包钢科技, 2020 , 46 (5) : 29 -33 . DOI: 10.13647/j.cnki.btgkj.2020.05.011
Zhou-li Liu, Xiao-guang Bai, Yu-zhu Li. Study on Effects of TiO2 on Sinter Quality[J]. Science & Technology of Baotou Steel, 2020 , 46 (5) : 29 -33 . DOI: 10.13647/j.cnki.btgkj.2020.05.011

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doi: 10.13647/j.cnki.btgkj.2020.05.011
  • 接收时间:2020-06-22
  • 首发时间:2026-10-20
  • 出版时间:2020-10-25
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  • 收稿日期:2020-06-22
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    内蒙古包钢钢联股份有限公司技术中心,内蒙古 包头 014010
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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