Article(id=1236334638550012792, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236334630450819368, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.06.026, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1685894400000, receivedDateStr=2023-06-05, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772694747817, onlineDateStr=2026-03-05, pubDate=1701360000000, pubDateStr=2023-12-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772694747817, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772694747817, creator=13701087609, updateTime=1772694747817, updator=13701087609, issue=Issue{id=1236334630450819368, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='6', pageStart='1', pageEnd='183', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772694745886, creator=13701087609, updateTime=1772694896382, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236335261735506524, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236334630450819368, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236335261735506525, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236334630450819368, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=119, endPage=122, ext={EN=ArticleExt(id=1236334638868779924, articleId=1236334638550012792, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Factors Influencing Fluidized Reduction of Iron Ore Powder Based on Interactive Orthogonal Experiment, columnId=1236276106727321817, journalTitle=Mining and Metallurgical Engineering, columnName=METALLURGY, runingTitle=null, highlight=null, articleAbstract=

An interactive orthogonal experiment was carried out. With the metallization rate of the products of fluidized reduction of iron ore powder as dependent variables, reduction temperature, reduction time, gas linear velocity and pressure of reduction as independent variables, the effects of various operating parameters and their interactions on the fluidized reduction of iron ore powder were investigated by means of range analysis and variance analysis. Results show that effects of four factors and their interaction on the metallization rate of fluidized reduction of iron ore powder are in the following descending order: reduction temperature > gas linear velocity > reduction time > pressure of reduction > interaction between reduction temperature and gas linear velocity > interaction between reduction temperature and pressure of reduction > interaction between reduction time and gas linear velocity > interaction between pressure of reduction and gas linear velocity > interaction between reduction temperature and reduction time > interaction between pressure of reduction and reduction time. It is shown that higher reduction temperature is helpful to the combination of iron whiskers, forming a compact structure. A higher gas linear velocity can improve the kinetic conditions of fluidized reduction, which is beneficial to fluidized reduction of iron ore powder.

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采用交互正交试验法,以铁矿粉流态化还原产物的金属化率为因变量,选取还原温度、还原时间、气体线速度和还原压力为自变量,通过极差和方差分析探究了各操作参数及其交互作用对铁矿粉流态化还原的影响。结果表明,4个因素以及因素间的交互作用对铁矿粉流态化还原产物金属化率影响的大小顺序为:还原温度>气体线速度>还原时间>还原压力>还原温度与气体线速度交互作用>还原温度与还原压力交互作用>还原时间与气体线速度的交互作用>还原压力与气体线速度交互作用>还原温度与还原时间的交互作用>还原压力与还原时间交互作用;较高的还原温度有助于晶须之间的结合、形成更致密的结构;较高的气体线速度改善了流态化还原反应的动力学条件,有助于铁矿粉流态化还原。

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徐其言(1982—),男,安徽马鞍山人,博士,教授,主要研究方向为流态化还原铁矿粉。
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朱国民(1998—),男,安徽铜陵人,博士研究生,主要研究方向为流态化还原铁矿粉。

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朱国民(1998—),男,安徽铜陵人,博士研究生,主要研究方向为流态化还原铁矿粉。

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基于交互正交试验的铁矿粉流态化还原影响因素研究
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朱国民 1 , 丁敬 1, 2 , 黄金玉 1 , 胡明伟 1 , 万紫薇 1 , 徐其言 1
矿冶工程杂志 | 冶金 2023,43(6): 119-122
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矿冶工程杂志 | 冶金 2023, 43(6): 119-122
基于交互正交试验的铁矿粉流态化还原影响因素研究
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朱国民1, 丁敬1, 2, 黄金玉1, 胡明伟1, 万紫薇1, 徐其言1
作者信息
  • 1.安徽工业大学 冶金工程学院,安徽 马鞍山 243002
  • 2.马鞍山钢铁股份有限公司特钢公司,安徽 马鞍山 243003
  • 朱国民(1998—),男,安徽铜陵人,博士研究生,主要研究方向为流态化还原铁矿粉。

通讯作者:

徐其言(1982—),男,安徽马鞍山人,博士,教授,主要研究方向为流态化还原铁矿粉。
Factors Influencing Fluidized Reduction of Iron Ore Powder Based on Interactive Orthogonal Experiment
Guomin ZHU1, Jing DING1, 2, Jinyu HUANG1, Mingwei HU1, Ziwei WAN1, Qiyan XU1
Affiliations
  • 1.School of Metallurgical Engineering, Anhui University of Technology, Ma'anshan 243002, Anhui, China
  • 2.Special Steel Branch of Ma'anshan Iron & Steel Company, Ma'anshan 243003, Anhui, China
出版时间: 2023-12-01 doi: 10.3969/j.issn.0253-6099.2023.06.026
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采用交互正交试验法,以铁矿粉流态化还原产物的金属化率为因变量,选取还原温度、还原时间、气体线速度和还原压力为自变量,通过极差和方差分析探究了各操作参数及其交互作用对铁矿粉流态化还原的影响。结果表明,4个因素以及因素间的交互作用对铁矿粉流态化还原产物金属化率影响的大小顺序为:还原温度>气体线速度>还原时间>还原压力>还原温度与气体线速度交互作用>还原温度与还原压力交互作用>还原时间与气体线速度的交互作用>还原压力与气体线速度交互作用>还原温度与还原时间的交互作用>还原压力与还原时间交互作用;较高的还原温度有助于晶须之间的结合、形成更致密的结构;较高的气体线速度改善了流态化还原反应的动力学条件,有助于铁矿粉流态化还原。

铁矿粉  /  流态化还原  /  正交试验  /  交互作用  /  金属化率  /  还原铁  /  铁晶须

An interactive orthogonal experiment was carried out. With the metallization rate of the products of fluidized reduction of iron ore powder as dependent variables, reduction temperature, reduction time, gas linear velocity and pressure of reduction as independent variables, the effects of various operating parameters and their interactions on the fluidized reduction of iron ore powder were investigated by means of range analysis and variance analysis. Results show that effects of four factors and their interaction on the metallization rate of fluidized reduction of iron ore powder are in the following descending order: reduction temperature > gas linear velocity > reduction time > pressure of reduction > interaction between reduction temperature and gas linear velocity > interaction between reduction temperature and pressure of reduction > interaction between reduction time and gas linear velocity > interaction between pressure of reduction and gas linear velocity > interaction between reduction temperature and reduction time > interaction between pressure of reduction and reduction time. It is shown that higher reduction temperature is helpful to the combination of iron whiskers, forming a compact structure. A higher gas linear velocity can improve the kinetic conditions of fluidized reduction, which is beneficial to fluidized reduction of iron ore powder.

iron ore powder  /  fluidized reduction  /  orthogonal experiment  /  interaction  /  metallization ratio  /  reduced iron  /  iron whisker
朱国民, 丁敬, 黄金玉, 胡明伟, 万紫薇, 徐其言. 基于交互正交试验的铁矿粉流态化还原影响因素研究. 矿冶工程杂志, 2023 , 43 (6) : 119 -122 . DOI: 10.3969/j.issn.0253-6099.2023.06.026
Guomin ZHU, Jing DING, Jinyu HUANG, Mingwei HU, Ziwei WAN, Qiyan XU. Factors Influencing Fluidized Reduction of Iron Ore Powder Based on Interactive Orthogonal Experiment[J]. Mining and Metallurgical Engineering, 2023 , 43 (6) : 119 -122 . DOI: 10.3969/j.issn.0253-6099.2023.06.026
  • 国家自然科学基金(51974001)
  • NSFC-新疆联合基金(U2003124)
2023年第43卷第6期
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doi: 10.3969/j.issn.0253-6099.2023.06.026
  • 接收时间:2023-06-05
  • 首发时间:2026-03-05
  • 出版时间:2023-12-01
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  • 收稿日期:2023-06-05
基金
国家自然科学基金(51974001)
NSFC-新疆联合基金(U2003124)
作者信息
    1.安徽工业大学 冶金工程学院,安徽 马鞍山 243002
    2.马鞍山钢铁股份有限公司特钢公司,安徽 马鞍山 243003

通讯作者:

徐其言(1982—),男,安徽马鞍山人,博士,教授,主要研究方向为流态化还原铁矿粉。
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Number of
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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