Article(id=1314908245697856341, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2026.04.031, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1774454400000, receivedDateStr=2026-03-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1791428155587, onlineDateStr=2026-10-08, pubDate=null, pubDateStr=null, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791428155587, onlineIssueDateStr=2026-10-08, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791428155587, creator=13701087609, updateTime=1791428155587, updator=13701087609, issue=Issue{id=1314908074188562588, tenantId=1146029695717560320, journalId=1235980550691926019, year='2026', volume='46', issue='4', pageStart='1', pageEnd='266', issueExtLink='null', onlineDate='null', pubDate='1785513600000', pubDateStr='2026-08-01', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791428114697, creator='13701087609', updateTime=1791430419337, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1314917740654191268, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1314917740654191269, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1314908074188562588, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=203, endPage=209, ext={EN=ArticleExt(id=1314908245911765846, articleId=1314908245697856341, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Effects of Particle Size and Macro Morphology on Pellet Properties of Straight-Grate Induration Machine, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

The effects of particle size and macro morphology on the comprehensive properties of pellets produced by the straight-grate induration machine were investigated. The results show that the particle size of finished pellets is mainly distributed within the range of 12-16 mm, accounting for more than 90%. Intact pellets account for 59.95%, while broken pellets and cracked pellets account for 24.71% and 15.35%, respectively. The crushing strength of intact pellets rises with an increase in particle size. As for the pellets with the same particle size, the macro morphology serves as the dominant factor determining their crushing strength. It is shown that intact pellets exhibit the highest crushing strength, whereas cracked pellets show the lowest crushing strength. The essential reason for the difference in crushing strength among pellets lies in the different bonding compactness of internal hematite grains. Large-sized intact pellets undergo insufficient oxidation and possess poor uniformity in internal structure. In terms of reduction performance, intact pellets with different particle sizes have negligible differences in reduction degree. For pellets with identical particle size, broken and cracked pellets feature a higher initial reduction rate, but present no obvious differences compared with intact pellets in terms of final reduction degree, reduction swelling index and anti-pulverization performance. Broken and cracked pellets suffer degraded mechanical properties and tend to damage the gas permeability of blast furnace burden during smelting, so their feeding proportion into the blast furnace should be strictly controlled. It is recommended that the proportion of intact pellets sized 12-14 mm be preferentially increased to balance pellet strength and metallurgical properties. This research can provide theoretical support for the optimization of pellet quality evaluation system and proportion of blast furnace burden.

, authors=Baoliang WEN1, Yingcai LIU1, Canyang SONG1, Xiaoping ZHANG1, 2, Jialong YANG2, authorsList=Baoliang WEN, Yingcai LIU, Canyang SONG, Xiaoping ZHANG, Jialong YANG, authorCompany=null, correspAuthors=Xiaoping ZHANG, 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=1314908246268281687, articleId=1314908245697856341, tenantId=1146029695717560320, journalId=1235980550691926019, language=CN, title=粒级与宏观形态对带式焙烧机球团性能的影响, columnId=1236276107322913000, journalTitle=矿冶工程杂志, columnName=冶金, runingTitle=null, highlight=null, articleAbstract=

考察了粒级与宏观形态对带式焙烧机球团综合性能的影响。结果表明,成品球粒级集中于12~16 mm,占比超过90%;其中完整球占比59.95%,破损球与裂纹球占比分别为24.71%、15.35%。完整球抗压强度随粒级增大呈上升趋势;同粒级条件下,宏观形态为球团抗压强度主导因素,完整球抗压强度最高,裂纹球抗压强度最低。球团抗压强度差异本质是内部赤铁矿晶粒的结合紧密程度不同。大粒级完整球氧化反应不充分,内部结构均匀性较差。还原性能方面,不同粒级完整球还原度相差不大;同粒级的破损球与裂纹球前期还原速率更高,而后期还原度、还原膨胀率及抗粉化性能与完整球无明显差异。破损球与裂纹球力学性能劣化,入炉冶炼时易破坏高炉料柱透气性,需严控入炉比例。建议优先提高12~14 mm完整球使用比例,平衡球团强度与冶金性能。研究可为球团质量评估体系优化及高炉入炉料配用优化提供理论支撑。

, authors=温宝良1, 刘英才1, 宋灿阳1, 张晓萍1, 2, 杨佳龙2, authorsList=温宝良, 刘英才, 宋灿阳, 张晓萍, 杨佳龙, authorCompany=null, correspAuthors=张晓萍, authorNote=

温宝良(2000—),男,安徽滁州人,工程师,主要研究方向为铁矿造块新技术与理论。E-mail:

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张晓萍(1982—),女,宁夏吴忠人,高级工程师,主要研究方向为炼铁新技术与理论。E-mail:
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温宝良(2000—),男,安徽滁州人,工程师,主要研究方向为铁矿造块新技术与理论。E-mail:

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温宝良(2000—),男,安徽滁州人,工程师,主要研究方向为铁矿造块新技术与理论。E-mail:

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粒级与宏观形态对带式焙烧机球团性能的影响
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温宝良 1 , 刘英才 1 , 宋灿阳 1 , 张晓萍 1, 2 , 杨佳龙 2
矿冶工程杂志 | 冶金 2026,46(4): 203-209
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矿冶工程杂志 |冶金 2026 , 46 (4) : 203 -209
粒级与宏观形态对带式焙烧机球团性能的影响
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温宝良1 , 刘英才1, 宋灿阳1, 张晓萍1, 2 , 杨佳龙2
作者信息
  • 1.马鞍山钢铁有限公司技术中心,安徽 马鞍山 243003
  • 2.安徽工业大学 冶金工程学院,安徽 马鞍山 243032
通讯作者:
张晓萍(1982—),女,宁夏吴忠人,高级工程师,主要研究方向为炼铁新技术与理论。E-mail:
作者简介:

温宝良(2000—),男,安徽滁州人,工程师,主要研究方向为铁矿造块新技术与理论。E-mail:

Effects of Particle Size and Macro Morphology on Pellet Properties of Straight-Grate Induration Machine
Baoliang WEN1 , Yingcai LIU1, Canyang SONG1, Xiaoping ZHANG1, 2 , Jialong YANG2
Affiliations
  • 1.Technology Center of Ma' anshan Iron and Steel Co., Ltd., Ma'anshan 243003, Anhui, China
  • 2.School of Metallurgical Engineering, Anhui University of Technology, Ma'anshan 243032, Anhui, China
doi: 10.3969/j.issn.0253-6099.2026.04.031
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考察了粒级与宏观形态对带式焙烧机球团综合性能的影响。结果表明,成品球粒级集中于12~16 mm,占比超过90%;其中完整球占比59.95%,破损球与裂纹球占比分别为24.71%、15.35%。完整球抗压强度随粒级增大呈上升趋势;同粒级条件下,宏观形态为球团抗压强度主导因素,完整球抗压强度最高,裂纹球抗压强度最低。球团抗压强度差异本质是内部赤铁矿晶粒的结合紧密程度不同。大粒级完整球氧化反应不充分,内部结构均匀性较差。还原性能方面,不同粒级完整球还原度相差不大;同粒级的破损球与裂纹球前期还原速率更高,而后期还原度、还原膨胀率及抗粉化性能与完整球无明显差异。破损球与裂纹球力学性能劣化,入炉冶炼时易破坏高炉料柱透气性,需严控入炉比例。建议优先提高12~14 mm完整球使用比例,平衡球团强度与冶金性能。研究可为球团质量评估体系优化及高炉入炉料配用优化提供理论支撑。

球团矿  /  粒级  /  宏观形态  /  抗压强度  /  冶金性能  /  矿相结构  /  带式焙烧机

The effects of particle size and macro morphology on the comprehensive properties of pellets produced by the straight-grate induration machine were investigated. The results show that the particle size of finished pellets is mainly distributed within the range of 12-16 mm, accounting for more than 90%. Intact pellets account for 59.95%, while broken pellets and cracked pellets account for 24.71% and 15.35%, respectively. The crushing strength of intact pellets rises with an increase in particle size. As for the pellets with the same particle size, the macro morphology serves as the dominant factor determining their crushing strength. It is shown that intact pellets exhibit the highest crushing strength, whereas cracked pellets show the lowest crushing strength. The essential reason for the difference in crushing strength among pellets lies in the different bonding compactness of internal hematite grains. Large-sized intact pellets undergo insufficient oxidation and possess poor uniformity in internal structure. In terms of reduction performance, intact pellets with different particle sizes have negligible differences in reduction degree. For pellets with identical particle size, broken and cracked pellets feature a higher initial reduction rate, but present no obvious differences compared with intact pellets in terms of final reduction degree, reduction swelling index and anti-pulverization performance. Broken and cracked pellets suffer degraded mechanical properties and tend to damage the gas permeability of blast furnace burden during smelting, so their feeding proportion into the blast furnace should be strictly controlled. It is recommended that the proportion of intact pellets sized 12-14 mm be preferentially increased to balance pellet strength and metallurgical properties. This research can provide theoretical support for the optimization of pellet quality evaluation system and proportion of blast furnace burden.

pellet  /  particle size  /  macro morphology  /  crushing strength  /  metallurgical property  /  mineral phase structure  /  straight-grate induration machine
温宝良, 刘英才, 宋灿阳, 张晓萍, 杨佳龙. 粒级与宏观形态对带式焙烧机球团性能的影响. 矿冶工程杂志, 2026 , 46 (4) : 203 -209 . DOI: 10.3969/j.issn.0253-6099.2026.04.031
Baoliang WEN, Yingcai LIU, Canyang SONG, Xiaoping ZHANG, Jialong YANG. Effects of Particle Size and Macro Morphology on Pellet Properties of Straight-Grate Induration Machine[J]. Mining and Metallurgical Engineering, 2026 , 46 (4) : 203 -209 . DOI: 10.3969/j.issn.0253-6099.2026.04.031
  • 安徽省重大产业创新计划资助项目(AHZDCYCX-LSDT2023-01)
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2026年第46卷第4期
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doi: 10.3969/j.issn.0253-6099.2026.04.031
  • 接收时间:2026-03-26
  • 首发时间:2026-10-08
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  • 收稿日期:2026-03-26
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安徽省重大产业创新计划资助项目(AHZDCYCX-LSDT2023-01)
作者信息
    1.马鞍山钢铁有限公司技术中心,安徽 马鞍山 243003
    2.安徽工业大学 冶金工程学院,安徽 马鞍山 243032

通讯作者:

张晓萍(1982—),女,宁夏吴忠人,高级工程师,主要研究方向为炼铁新技术与理论。E-mail:
参考文献
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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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