Article(id=1236333405869232548, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.01.021, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1659369600000, receivedDateStr=2022-08-02, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772694453923, onlineDateStr=2026-03-05, pubDate=1675180800000, pubDateStr=2023-02-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772694453923, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772694453923, creator=13701087609, updateTime=1772694453923, updator=13701087609, issue=Issue{id=1236333405122646435, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='1', pageStart='1', pageEnd='159', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772694453745, creator=13701087609, updateTime=1772694772892, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236334743785099547, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236334743785099548, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236333405122646435, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=95, endPage=98, ext={EN=ArticleExt(id=1236333406116696486, articleId=1236333405869232548, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Effect of MgO Doping on Phase Composition and Structure of Molten Mixture of Steel Slag and Blast Furnace Slag, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

The phase composition and morphology of a molten mixture of steel slag and furnace slag prepared at a high temperature was analyzed by X-ray diffraction and SEM-EDS scanning electron microscope to investigate the effect of MgO doping. The results show that MgO doping can effectively inhibit the formation of MgFe2O4 phase and non-gel Ca2Al2SiO7 phase, and promote the formation of MgFeAlO4 phase, thus increasing the melting point of the mixed slag. It is found that the mixed slag after doping 2% MgO presents a layered structure on its cross section. The inner layer has an increased proportion of MgFeAlO4 phase, with uniform and fine pores; and the MgFeAlO4 phase is wrapped by MgFe2O4 spinel with layered structure in the middle part; and the outer layer has Ca2Al2SiO7 phase with uniform pores and moderate density. The mixed slag with such kind of structure is suitable to be used as the filter material for removing heavy metal ions.

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为了探明MgO掺杂对高炉渣熔融调质钢渣(混合渣)物相组成与结构的影响,采用X射线衍射仪和SEM-EDS扫描电镜对高温调质后混合渣物相组成及形貌进行了分析。结果表明,掺杂MgO能有效抑制MgFe2O4相和非胶凝性Ca2Al2SiO7物相生成、促进MgFeAlO4物相生成,提高混合渣熔点。MgO掺杂量2%的高温调质混合渣截面呈层状结构,内层MgFeAlO4物相占比增加,孔洞均匀且细小;中间具有层状结构的MgFe2O4尖晶石包裹在MgFeAlO4物相周围;外层Ca2Al2SiO7物相孔洞均匀,致密度适中;此结构的混合渣是较好的重金属离子过滤材料。

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罗果萍(1964—),女,内蒙古呼和浩特人,博士,教授,主要研究方向为钢铁冶金理论与新技术和冶金固废资源化利用。
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郝帅(1989—),男,内蒙古包头人,博士研究生,主要研究方向为冶金固废综合利用。

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郝帅(1989—),男,内蒙古包头人,博士研究生,主要研究方向为冶金固废综合利用。

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郝帅(1989—),男,内蒙古包头人,博士研究生,主要研究方向为冶金固废综合利用。

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MgO掺杂对高炉渣熔融调质钢渣物相组成及结构的影响
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郝帅 , 罗果萍 , 陈银胜 , 柴轶凡 , 安胜利 , 宋巍
矿冶工程杂志 | 冶金 2023,43(1): 95-98
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矿冶工程杂志 | 冶金 2023, 43(1): 95-98
MgO掺杂对高炉渣熔融调质钢渣物相组成及结构的影响
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郝帅, 罗果萍, 陈银胜, 柴轶凡, 安胜利, 宋巍
作者信息
  • 内蒙古科技大学 材料与冶金学院(稀土学院),内蒙古 包头 014010
  • 郝帅(1989—),男,内蒙古包头人,博士研究生,主要研究方向为冶金固废综合利用。

通讯作者:

罗果萍(1964—),女,内蒙古呼和浩特人,博士,教授,主要研究方向为钢铁冶金理论与新技术和冶金固废资源化利用。
Effect of MgO Doping on Phase Composition and Structure of Molten Mixture of Steel Slag and Blast Furnace Slag
Shuai HAO, Guoping LUO, Yinsheng CHEN, Yifan CHAI, Shengli AN, Wei SONG
Affiliations
  • School of Materials and Metallurgy(School of Rare Earth), Inner Mongolia University of Science and Technology, Baotou 014010, Inner Mongolia, China
出版时间: 2023-02-01 doi: 10.3969/j.issn.0253-6099.2023.01.021
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为了探明MgO掺杂对高炉渣熔融调质钢渣(混合渣)物相组成与结构的影响,采用X射线衍射仪和SEM-EDS扫描电镜对高温调质后混合渣物相组成及形貌进行了分析。结果表明,掺杂MgO能有效抑制MgFe2O4相和非胶凝性Ca2Al2SiO7物相生成、促进MgFeAlO4物相生成,提高混合渣熔点。MgO掺杂量2%的高温调质混合渣截面呈层状结构,内层MgFeAlO4物相占比增加,孔洞均匀且细小;中间具有层状结构的MgFe2O4尖晶石包裹在MgFeAlO4物相周围;外层Ca2Al2SiO7物相孔洞均匀,致密度适中;此结构的混合渣是较好的重金属离子过滤材料。

钢渣  /  高炉渣  /  MgO  /  高炉渣熔融调质钢渣  /  混合渣  /  高温调质  /  过滤材料

The phase composition and morphology of a molten mixture of steel slag and furnace slag prepared at a high temperature was analyzed by X-ray diffraction and SEM-EDS scanning electron microscope to investigate the effect of MgO doping. The results show that MgO doping can effectively inhibit the formation of MgFe2O4 phase and non-gel Ca2Al2SiO7 phase, and promote the formation of MgFeAlO4 phase, thus increasing the melting point of the mixed slag. It is found that the mixed slag after doping 2% MgO presents a layered structure on its cross section. The inner layer has an increased proportion of MgFeAlO4 phase, with uniform and fine pores; and the MgFeAlO4 phase is wrapped by MgFe2O4 spinel with layered structure in the middle part; and the outer layer has Ca2Al2SiO7 phase with uniform pores and moderate density. The mixed slag with such kind of structure is suitable to be used as the filter material for removing heavy metal ions.

steel slag  /  blast furnace slag  /  MgO  /  mixture of blast furnace slag and steel slag molten at high temperature  /  mixed slag  /  preparation at high temperature  /  filter material
郝帅, 罗果萍, 陈银胜, 柴轶凡, 安胜利, 宋巍. MgO掺杂对高炉渣熔融调质钢渣物相组成及结构的影响. 矿冶工程杂志, 2023 , 43 (1) : 95 -98 . DOI: 10.3969/j.issn.0253-6099.2023.01.021
Shuai HAO, Guoping LUO, Yinsheng CHEN, Yifan CHAI, Shengli AN, Wei SONG. Effect of MgO Doping on Phase Composition and Structure of Molten Mixture of Steel Slag and Blast Furnace Slag[J]. Mining and Metallurgical Engineering, 2023 , 43 (1) : 95 -98 . DOI: 10.3969/j.issn.0253-6099.2023.01.021
  • 国家重点研发计划(2020YFC1909105)
  • 国家自然科学基金(51664045)
  • 内蒙古自治区科技重大专项(2021ZD0016)
  • 内蒙古自治区高等学校碳达峰碳中和研究专项(STZX202231)
2023年第43卷第1期
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doi: 10.3969/j.issn.0253-6099.2023.01.021
  • 接收时间:2022-08-02
  • 首发时间:2026-03-05
  • 出版时间:2023-02-01
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  • 收稿日期:2022-08-02
基金
国家重点研发计划(2020YFC1909105)
国家自然科学基金(51664045)
内蒙古自治区科技重大专项(2021ZD0016)
内蒙古自治区高等学校碳达峰碳中和研究专项(STZX202231)
作者信息
    内蒙古科技大学 材料与冶金学院(稀土学院),内蒙古 包头 014010

通讯作者:

罗果萍(1964—),女,内蒙古呼和浩特人,博士,教授,主要研究方向为钢铁冶金理论与新技术和冶金固废资源化利用。
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2种不同金属材料的力学参数

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species
占总种数比例
Percentage of
total species (%)

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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