Article(id=1236330614585094915, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2023.04.013, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1676649600000, receivedDateStr=2023-02-18, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1772693788429, onlineDateStr=2026-03-05, pubDate=1690819200000, pubDateStr=2023-08-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1772693788429, onlineIssueDateStr=2026-03-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1772693788429, creator=13701087609, updateTime=1772693788429, updator=13701087609, issue=Issue{id=1236330603000418795, tenantId=1146029695717560320, journalId=1235980550691926019, year='2023', volume='43', issue='4', pageStart='1', pageEnd='189', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1772693785667, creator=13701087609, updateTime=1772696855253, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1236343477835985022, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1236343477835985023, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1236330603000418795, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=61, endPage=64, ext={EN=ArticleExt(id=1236330614845141777, articleId=1236330614585094915, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Influence of Ultrafine Comminution by High Pressure Grinding Rolls on Separation Performance of Copper-Bearing Iron Ore, columnId=1236276106932842717, journalTitle=Mining and Metallurgical Engineering, columnName=MINERAL PROCESSING, runingTitle=null, highlight=null, articleAbstract=

In order to explore the influence of ultrafine grinding using high-pressure grinding roller (HPGR) on the separation performance of copper-bearing iron ore, mineral separation tests were carried out for HPGR milled ore. The results show that HPGR products are usually smaller and more uniform in size compared to jaw crushing products. Furthermore, obvious grain boundary cracks in HPGR products can be observed. Based on the comparison with jaw crushed ore, a test on magnetic separation of HPGR milled ore for tailings discarding led to the obtained product with iron grade up by 0.4 percentage points and iron recovery down by 0.8 percentage points, while both copper grade and recovery up by 0.01 and 2.11 percentage points respectively. A flotation test resulted in the roughing concentrate with copper grade and recovery up by 0.21 percentage points and 1.84 percentage points, respectively. The following magnetic separation test of the obtained roughing tailings led to the final iron concentrate with grade and recovery up by 1.11 and 2.45 percentage points, respectively. It is concluded that compared with jaw crushing, HPGR grinding is more conducive to improving copper grade and recovery of iron concentrate.

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为探究高压辊磨超细碎对铜铁共生矿分选的影响,对其进行了高压辊磨超细碎分选试验,结果表明,高压辊磨产品相比颚式破碎产品粒度小且均匀;高压辊磨破碎产品出现了明显的晶界裂纹;磁选抛尾试验中,高压辊磨产品比颚式破碎产品磁选精矿铁品位提高了0.4个百分点、回收率降低了0.8个百分点,铜品位提高了0.01个百分点、回收率提高了2.11个百分点;浮选试验中,高压辊磨产品比颚式破碎产品浮选粗精矿铜品位提高了0.21个百分点、回收率提高了1.84个百分点;浮选粗选尾矿磁选试验中,高压辊磨产品比颚式破碎产品精矿铁品位提高了1.11个百分点、回收率提高了2.45个百分点。高压辊磨破碎比颚式破碎更有利于铜品位的提升和铁精矿的回收。

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陈铁军(1973—),男,湖南株洲人,教授,博士研究生导师,主要研究方向为复杂铁矿分选、烧结球团和二次资源综合利用。
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陈兴(1998—),男(蒙古族),内蒙古赤峰人,硕士研究生,主要研究方向为复杂铁矿分选。

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陈兴(1998—),男(蒙古族),内蒙古赤峰人,硕士研究生,主要研究方向为复杂铁矿分选。

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陈兴(1998—),男(蒙古族),内蒙古赤峰人,硕士研究生,主要研究方向为复杂铁矿分选。

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高压辊磨超细碎对铜铁共生矿分选的影响
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陈兴 1 , 陈铁军 1, 2 , 韦东 3 , 黄春源 3 , 张涛 1
矿冶工程杂志 | 选矿 2023,43(4): 61-64
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矿冶工程杂志 | 选矿 2023, 43(4): 61-64
高压辊磨超细碎对铜铁共生矿分选的影响
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陈兴1, 陈铁军1, 2, 韦东3, 黄春源3, 张涛1
作者信息
  • 1.武汉科技大学 资源与环境工程学院,湖北 武汉 430081
  • 2.冶金矿产资源高效利用与造块湖北省重点实验室,湖北 武汉 430081
  • 3.武钢资源集团大冶铁矿有限公司,湖北 武汉 435000
  • 陈兴(1998—),男(蒙古族),内蒙古赤峰人,硕士研究生,主要研究方向为复杂铁矿分选。

通讯作者:

陈铁军(1973—),男,湖南株洲人,教授,博士研究生导师,主要研究方向为复杂铁矿分选、烧结球团和二次资源综合利用。
Influence of Ultrafine Comminution by High Pressure Grinding Rolls on Separation Performance of Copper-Bearing Iron Ore
Xing CHEN1, Tiejun CHEN1, 2, Dong WEI3, Chunyuan HUANG3, Tao ZHANG1
Affiliations
  • 1.School of Resources and Environmental Engineering, Wuhan University of Science and Technology, Wuhan 430081, Hubei, China
  • 2.Hubei Key Laboratory for Efficient Utilization and Agglomeration of Metallurgic Mineral Resources, Wuhan 430081, Hubei, China
  • 3.Daye Iron Ore Co Ltd, WISCO Resources Group, Wuhan 435000, Hubei, China
出版时间: 2023-08-01 doi: 10.3969/j.issn.0253-6099.2023.04.013
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为探究高压辊磨超细碎对铜铁共生矿分选的影响,对其进行了高压辊磨超细碎分选试验,结果表明,高压辊磨产品相比颚式破碎产品粒度小且均匀;高压辊磨破碎产品出现了明显的晶界裂纹;磁选抛尾试验中,高压辊磨产品比颚式破碎产品磁选精矿铁品位提高了0.4个百分点、回收率降低了0.8个百分点,铜品位提高了0.01个百分点、回收率提高了2.11个百分点;浮选试验中,高压辊磨产品比颚式破碎产品浮选粗精矿铜品位提高了0.21个百分点、回收率提高了1.84个百分点;浮选粗选尾矿磁选试验中,高压辊磨产品比颚式破碎产品精矿铁品位提高了1.11个百分点、回收率提高了2.45个百分点。高压辊磨破碎比颚式破碎更有利于铜品位的提升和铁精矿的回收。

高压辊磨  /  超细粉碎  /  含铜铁矿  /  单体解离度  /  浮选  /  磁选  /  抛尾

In order to explore the influence of ultrafine grinding using high-pressure grinding roller (HPGR) on the separation performance of copper-bearing iron ore, mineral separation tests were carried out for HPGR milled ore. The results show that HPGR products are usually smaller and more uniform in size compared to jaw crushing products. Furthermore, obvious grain boundary cracks in HPGR products can be observed. Based on the comparison with jaw crushed ore, a test on magnetic separation of HPGR milled ore for tailings discarding led to the obtained product with iron grade up by 0.4 percentage points and iron recovery down by 0.8 percentage points, while both copper grade and recovery up by 0.01 and 2.11 percentage points respectively. A flotation test resulted in the roughing concentrate with copper grade and recovery up by 0.21 percentage points and 1.84 percentage points, respectively. The following magnetic separation test of the obtained roughing tailings led to the final iron concentrate with grade and recovery up by 1.11 and 2.45 percentage points, respectively. It is concluded that compared with jaw crushing, HPGR grinding is more conducive to improving copper grade and recovery of iron concentrate.

high pressure grinding roller (HPGR)  /  ultrafine comminution  /  copper-bearing iron ore  /  degree of mineral liberation  /  flotation  /  magnetic separation  /  tailings discarding
陈兴, 陈铁军, 韦东, 黄春源, 张涛. 高压辊磨超细碎对铜铁共生矿分选的影响. 矿冶工程杂志, 2023 , 43 (4) : 61 -64 . DOI: 10.3969/j.issn.0253-6099.2023.04.013
Xing CHEN, Tiejun CHEN, Dong WEI, Chunyuan HUANG, Tao ZHANG. Influence of Ultrafine Comminution by High Pressure Grinding Rolls on Separation Performance of Copper-Bearing Iron Ore[J]. Mining and Metallurgical Engineering, 2023 , 43 (4) : 61 -64 . DOI: 10.3969/j.issn.0253-6099.2023.04.013
  • 湖北省教育厅科学研究计划(Q20191110)
2023年第43卷第4期
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doi: 10.3969/j.issn.0253-6099.2023.04.013
  • 接收时间:2023-02-18
  • 首发时间:2026-03-05
  • 出版时间:2023-08-01
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出版历史
  • 收稿日期:2023-02-18
基金
湖北省教育厅科学研究计划(Q20191110)
作者信息
    1.武汉科技大学 资源与环境工程学院,湖北 武汉 430081
    2.冶金矿产资源高效利用与造块湖北省重点实验室,湖北 武汉 430081
    3.武钢资源集团大冶铁矿有限公司,湖北 武汉 435000

通讯作者:

陈铁军(1973—),男,湖南株洲人,教授,博士研究生导师,主要研究方向为复杂铁矿分选、烧结球团和二次资源综合利用。
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https://castjournals.cast.org.cn/joweb/kygczz/CN/10.3969/j.issn.0253-6099.2023.04.013
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
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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