Article(id=1240648786712776931, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240648781595725960, articleNumber=null, orderNo=null, doi=10.3969/j.issn.0253-6099.2024.05.012, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1711382400000, receivedDateStr=2024-03-26, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1773723320892, onlineDateStr=2026-03-17, pubDate=1727712000000, pubDateStr=2024-10-01, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1773723320892, onlineIssueDateStr=2026-03-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1773723320892, creator=13701087609, updateTime=1773723320892, updator=13701087609, issue=Issue{id=1240648781595725960, tenantId=1146029695717560320, journalId=1235980550691926019, year='2024', volume='44', issue='5', pageStart='1', pageEnd='184', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1773723319672, creator=13701087609, updateTime=1773824608750, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1241073618831078097, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240648781595725960, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1241073618831078098, tenantId=1146029695717560320, journalId=1235980550691926019, issueId=1240648781595725960, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=61, endPage=65, ext={EN=ArticleExt(id=1240648787048321275, articleId=1240648786712776931, tenantId=1146029695717560320, journalId=1235980550691926019, language=EN, title=Experimental Study and Industrial Application of Porcelain Ball in Precise Grinding of Magnetite Ore, columnId=1236276106932842717, journalTitle=Mining and Metallurgical Engineering, columnName=MINERAL PROCESSING, runingTitle=null, highlight=null, articleAbstract=
To explore feasibility of replacing steel ball with porcelain ball in the second-stage grinding of a magnetite ore from Anhui, the feed ore to the second-stage grinding process in the magnetite ore processing plant was taken for study, and single-factor tests were conducted for gradation of porcelain ball in diameter, grinding concentration and filling rate of grinding media. On this basis, researches on grinding kinetics and commercial application were also conducted. The results show that porcelain ball can substitute steel ball as the medium in the second-stage grinding, which can bring in optimized particle size distribution of the milled product. For the feed in a particle size greater than 0.092 mm, the grinding rate of porcelain ball milling is greater than that of steel ball milling;while with the feed in a particle size less than 0.092 mm, the grinding rate of porcelain ball milling is less than that of steel ball milling. The best conditions for porcelain ball milling are finally determined as follows: porcelain balls with diameter of 30 mm, 25 mm and 20 mm in a mass ratio of 1∶3∶1, grinding concentration of 74% and grinding media with filling rate of 40%. The industrial applications with porcelain ball in mill shows the particle size distribution of overflow products can be effectively improved, both unit power consumption and ball consumption reduced by 51.89% and 50%, respectively.
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为了探究安徽某磁铁矿二段磨矿中应用瓷球磨矿代替钢球磨矿的可行性,以该磁铁矿厂二段磨矿给矿为研究对象,对瓷球磨矿球径配比、磨矿浓度和充填率进行了单因素实验,并在此基础上进行了磨矿动力学研究和工业应用。结果表明:瓷球可以替代钢球作为该磁铁矿二段磨矿介质,且瓷球磨矿可优化磨矿产品粒度分布;物料粒度大于0.092 mm时,瓷球磨矿比例系数大于钢球磨矿,物料粒度小于0.092 mm时,瓷球磨矿比例系数小于钢球磨矿;瓷球磨矿适宜条件为:直径30 mm、25 mm、20 mm的瓷球按质量比1∶3∶1配比,矿浆浓度(质量分数)74%,充填率40%;工业应用中瓷球磨矿可有效改善溢流产品粒度分布,并使磨矿单位电耗下降51.89%,球耗降低50%。
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, authorsList=姚鑫, 吴新义, 曾冲, 张小普, 吴江, 刘文胜, 洪振川, 吴彩斌)}, authors=[Author(id=1240648790558953897, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648786712776931, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=yxinyeah@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1240648790647034287, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648786712776931, authorId=1240648790558953897, language=EN, stringName=Xin YAO, firstName=Xin, middleName=null, lastName=YAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.College of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1240648790726726068, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648786712776931, authorId=1240648790558953897, language=CN, stringName=姚鑫, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1.江西理工大学 资源与环境工程学院,江西 赣州 341000, bio={"content":"
姚鑫(2001—),女,山东临沂人,主要从事矿物碎磨理论研究。E-mail:yxinyeah@163.com
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姚鑫(2001—),女,山东临沂人,主要从事矿物碎磨理论研究。E-mail:yxinyeah@163.com
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1.College of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China), AuthorCompanyExt(id=1240648789195805065, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648786712776931, companyId=1240648789179027845, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.College of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou 341000, Jiangxi, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1240648791691416062, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648786712776931, authorId=1240648791490089457, language=CN, stringName=张小普, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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2.Anhui Magang Mining Resources Group Co., Ltd., Maanshan 243000, Anhui, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1240648792580608590, tenantId=1146029695717560320, journalId=1235980550691926019, articleId=1240648786712776931, authorId=1240648792354116154, language=CN, stringName=洪振川, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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| 粒级/mm | 产率/% | 负累计产率/% |
|---|
| -0.3+0.15 | 9.91 | 100.00 |
| -0.15+0.075 | 34.14 | 90.09 |
| -0.075+0.045 | 39.96 | 55.95 |
| -0.045+0.038 | 6.27 | 15.99 |
| -0.038+0.023 | 5.26 | 9.71 |
| -0.023 | 4.45 | 4.45 |
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原矿粒度组成
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| 粒级/mm | 产率/% | 负累计产率/% |
|---|
| -0.3+0.15 | 9.91 | 100.00 |
| -0.15+0.075 | 34.14 | 90.09 |
| -0.075+0.045 | 39.96 | 55.95 |
| -0.045+0.038 | 6.27 | 15.99 |
| -0.038+0.023 | 5.26 | 9.71 |
| -0.023 | 4.45 | 4.45 |
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| TFe | MFe | SiO2 | Mg | Ca | Al | S | P | K |
|---|
| 61.32 | 59.97 | 11.58 | 0.33 | 0.20 | 0.41 | 0.086 | 0.023 | 0.046 |
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原矿化学多元素分析结果(质量分数)
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| TFe | MFe | SiO2 | Mg | Ca | Al | S | P | K |
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| 61.32 | 59.97 | 11.58 | 0.33 | 0.20 | 0.41 | 0.086 | 0.023 | 0.046 |
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| 粒级/mm | 粒级产率/% |
|---|
| Φ20 mm | Φ25 mm | Φ30 mm | Φ35 mm |
|---|
| +0.075 | 30.45 | 28.19 | 32.78 | 31.20 |
| -0.075+0.023 | 59.93 | 61.90 | 60.31 | 61.48 |
| -0.023 | 9.62 | 9.91 | 6.91 | 7.31 |
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单一球径条件下的磨矿产品粒度分布
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| 粒级/mm | 粒级产率/% |
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| Φ20 mm | Φ25 mm | Φ30 mm | Φ35 mm |
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| +0.075 | 30.45 | 28.19 | 32.78 | 31.20 |
| -0.075+0.023 | 59.93 | 61.90 | 60.31 | 61.48 |
| -0.023 | 9.62 | 9.91 | 6.91 | 7.31 |
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| 实验编号 | 不同球径瓷球配比 | 平均球径/mm |
|---|
| Φ20 mm | Φ25 mm | Φ30 mm | Φ35 mm |
|---|
| 1 | 0 | 2 | 3 | 5 | 31.5 |
| 2 | 0 | 1 | 3 | 1 | 30.0 |
| 3 | 0 | 5 | 3 | 2 | 28.5 |
| 4 | 2 | 3 | 5 | 0 | 26.5 |
| 5 | 1 | 3 | 1 | 0 | 25.0 |
| 6 | 5 | 3 | 2 | 0 | 23.5 |
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混合球径配比及平均球径
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| 实验编号 | 不同球径瓷球配比 | 平均球径/mm |
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| Φ20 mm | Φ25 mm | Φ30 mm | Φ35 mm |
|---|
| 1 | 0 | 2 | 3 | 5 | 31.5 |
| 2 | 0 | 1 | 3 | 1 | 30.0 |
| 3 | 0 | 5 | 3 | 2 | 28.5 |
| 4 | 2 | 3 | 5 | 0 | 26.5 |
| 5 | 1 | 3 | 1 | 0 | 25.0 |
| 6 | 5 | 3 | 2 | 0 | 23.5 |
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| 粒级/mm | 粒级产率/% |
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| 实验1 | 实验2 | 实验3 | 实验4 | 实验5 | 实验6 |
|---|
| +0.075 | 34.30 | 30.07 | 33.12 | 29.07 | 27.51 | 26.75 |
| -0.075+0.023 | 56.28 | 59.96 | 57.87 | 62.69 | 72.49 | 73.25 |
| -0.023 | 9.43 | 9.96 | 9.01 | 8.24 | 8.77 | 9.71 |
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各球径配比条件下的磨矿产品粒度分布
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| 粒级/mm | 粒级产率/% |
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| 实验1 | 实验2 | 实验3 | 实验4 | 实验5 | 实验6 |
|---|
| +0.075 | 34.30 | 30.07 | 33.12 | 29.07 | 27.51 | 26.75 |
| -0.075+0.023 | 56.28 | 59.96 | 57.87 | 62.69 | 72.49 | 73.25 |
| -0.023 | 9.43 | 9.96 | 9.01 | 8.24 | 8.77 | 9.71 |
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| 粒级/mm | 粒级产率/% |
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| 62% | 66% | 70% | 74% | 78% |
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| +0.075 | 34.47 | 31.49 | 27.98 | 27.88 | 27.51 |
| -0.075+0.023 | 57.28 | 60.07 | 62.89 | 62.22 | 63.73 |
| -0.023 | 8.25 | 8.44 | 9.14 | 9.89 | 8.77 |
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不同磨矿矿浆浓度条件下的磨矿产品粒度分布
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| 粒级/mm | 粒级产率/% |
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| 62% | 66% | 70% | 74% | 78% |
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| +0.075 | 34.47 | 31.49 | 27.98 | 27.88 | 27.51 |
| -0.075+0.023 | 57.28 | 60.07 | 62.89 | 62.22 | 63.73 |
| -0.023 | 8.25 | 8.44 | 9.14 | 9.89 | 8.77 |
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| 粒级/mm | 粒级产率/% |
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| 28% | 32% | 36% | 40% | 44% |
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| +0.075 | 38.36 | 32.71 | 28.12 | 26.52 | 32.22 |
| -0.075+0.023 | 55.87 | 58.45 | 62.74 | 63.88 | 60.90 |
| -0.023 | 5.78 | 8.84 | 9.14 | 9.60 | 6.88 |
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不同充填率条件下的磨矿产品粒度分布
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| 粒级/mm | 粒级产率/% |
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| 28% | 32% | 36% | 40% | 44% |
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| +0.075 | 38.36 | 32.71 | 28.12 | 26.52 | 32.22 |
| -0.075+0.023 | 55.87 | 58.45 | 62.74 | 63.88 | 60.90 |
| -0.023 | 5.78 | 8.84 | 9.14 | 9.60 | 6.88 |
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| 磨矿介质 | 球磨新生-0.075 mm粒级产率/% | 返砂比/% | 分级效率/% |
|---|
| 量效率 | 质效率 |
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| 瓷球 | 13.67 | 114 | 41.53 | 30.28 |
| 钢球 | 13.21 | 115 | 24.01 | 17.35 |
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二段磨矿分级技术指标
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| 磨矿介质 | 球磨新生-0.075 mm粒级产率/% | 返砂比/% | 分级效率/% |
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| 量效率 | 质效率 |
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| 瓷球 | 13.67 | 114 | 41.53 | 30.28 |
| 钢球 | 13.21 | 115 | 24.01 | 17.35 |
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| 产品名称 | 粒级/mm | 产率/% | 品位/% | TFe分布率/% |
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| 瓷球磨矿二段溢流 | +0.15 | 0.61 | 22.15 | 0.20 |
| -0.15+0.075 | 10.00 | 61.50 | 9.17 |
| -0.075+0.045 | 17.20 | 68.69 | 17.61 |
| -0.045+0.038 | 15.15 | 69.17 | 15.62 |
| -0.038+0.023 | 18.26 | 68.36 | 18.60 |
| -0.023 | 38.79 | 67.11 | 38.80 |
| 合计 | 100.00 | 67.09 | 100.00 |
| 钢球磨矿二段溢流 | +0.15 | 2.02 | 21.24 | 0.65 |
| -0.15+0.075 | 7.92 | 60.87 | 7.28 |
| -0.075+0.045 | 11.37 | 67.17 | 11.53 |
| -0.045+0.038 | 16.23 | 68.90 | 16.88 |
| -0.038+0.023 | 17.76 | 69.01 | 18.50 |
| -0.023 | 44.70 | 66.91 | 45.16 |
| 合计 | 100.00 | 66.23 | 100.00 |
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不同介质下溢流产品指标对比
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| 产品名称 | 粒级/mm | 产率/% | 品位/% | TFe分布率/% |
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| 瓷球磨矿二段溢流 | +0.15 | 0.61 | 22.15 | 0.20 |
| -0.15+0.075 | 10.00 | 61.50 | 9.17 |
| -0.075+0.045 | 17.20 | 68.69 | 17.61 |
| -0.045+0.038 | 15.15 | 69.17 | 15.62 |
| -0.038+0.023 | 18.26 | 68.36 | 18.60 |
| -0.023 | 38.79 | 67.11 | 38.80 |
| 合计 | 100.00 | 67.09 | 100.00 |
| 钢球磨矿二段溢流 | +0.15 | 2.02 | 21.24 | 0.65 |
| -0.15+0.075 | 7.92 | 60.87 | 7.28 |
| -0.075+0.045 | 11.37 | 67.17 | 11.53 |
| -0.045+0.038 | 16.23 | 68.90 | 16.88 |
| -0.038+0.023 | 17.76 | 69.01 | 18.50 |
| -0.023 | 44.70 | 66.91 | 45.16 |
| 合计 | 100.00 | 66.23 | 100.00 |
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| 磨矿介质 | 单位电耗/(kWh·t-1) | 单位球耗/(kg·t-1) |
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| 钢球 | 6.09 | 0.38 |
| 瓷球 | 2.93 | 0.19 |
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不同介质磨矿电耗和球耗对比
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| 磨矿介质 | 单位电耗/(kWh·t-1) | 单位球耗/(kg·t-1) |
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| 钢球 | 6.09 | 0.38 |
| 瓷球 | 2.93 | 0.19 |
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