Article(id=1320037741434360525, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037688510628614, articleNumber=null, orderNo=null, doi=10.3969/j.issn.1005-0329.2026.04.002, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1766592000000, receivedDateStr=2025-12-25, revisedDate=1774022400000, revisedDateStr=2026-03-21, acceptedDate=null, acceptedDateStr=null, onlineDate=1792651122673, onlineDateStr=2026-10-22, pubDate=1777478400000, pubDateStr=2026-04-30, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792651122673, onlineIssueDateStr=2026-10-22, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792651122673, creator=13701087609, updateTime=1792651122673, updator=13701087609, issue=Issue{id=1320037688510628614, tenantId=1146029695717560320, journalId=1316781260334530699, year='2026', volume='54', issue='4', pageStart='1', pageEnd='118', issueExtLink='null', onlineDate='null', pubDate='1777478400000', pubDateStr='2026-04-30', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1792651110055, creator='13701087609', updateTime=1792656236652, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1320059191075656665, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037688510628614, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1320059191075656666, tenantId=1146029695717560320, journalId=1316781260334530699, issueId=1320037688510628614, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=11, endPage=18, ext={EN=ArticleExt(id=1320037741585355470, articleId=1320037741434360525, tenantId=1146029695717560320, journalId=1316781260334530699, language=EN, title=Experimental study on the separation performance of volute entrance hydrocyclone, columnId=null, journalTitle=Fluid Machinery, columnName=null, runingTitle=null, highlight=null, articleAbstract=
To enhance the separation performance of a hydrocyclone for coal slurry classification,this paper proposes a volute‑type inlet structure,aiming to strengthen particle prealignment during the entry process.A downward structure is designed to reduce inlet turbulence,with both features working together to improve the separation accuracy of the hydrocyclone.This paper employs laboratory experiments to investigate the influence of volute structure parameters on the separation performance.The results indicate that as the volute angle increases,the treatment capacity of the hydrocyclone is enhanced with higher yield and concentration of overflow.The highest separation efficiency is achieved at a volute angle of 180°,where the classification efficiency reaches 88.80% for particles smaller than 15 μm.The separation performance of the hydrocyclone tends to increase at first and then decrease with increasing downward depth,showing the optimal separation effect at a downward depth of 47.5 mm.Industrial verification demonstrates that,compared to the involute inlet hydrocyclone,the volute entrance hydrocyclone exhibit a significant improvement to the particle mismatch in the separation products.The research can provide references for the optimal design and application promotion of the volute entrance hydrocyclone.
, authors=Qingfu MAO
1, Liangliang XIA
1, Fengqi ZANG
1, Xinguo GENG
1, Yang ZHANG
1, Xunxun GU
1, Peikun LIU
2, Lanyue JIANG
2, Ying SONG
2, authorsList=Qingfu MAO, Liangliang XIA, Fengqi ZANG, Xinguo GENG, Yang ZHANG, Xunxun GU, Peikun LIU, Lanyue JIANG, Ying SONG, authorCompany=null, correspAuthors=Lanyue JIANG, 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=1320037745431532261, articleId=1320037741434360525, tenantId=1146029695717560320, journalId=1316781260334530699, language=CN, title=蜗壳式旋流器分离性能试验研究, columnId=1317484286475883136, journalTitle=流体机械, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=
为提高煤泥分级旋流器的分离性能,提出一种蜗壳式入口旋流器,通过设计蜗壳结构强化颗粒在旋流器入口过程的预排列,设计下倾结构降低入口紊流,以提高旋流器分离精度。同时,采用实验室试验探究了蜗壳结构参数对分离性能的影响规律。结果表明,随蜗壳包角增大旋流器处理能力提高,溢流产率及浓度增加,蜗壳包角为180°时分离精度最高,粒径<15 μm颗粒分级量效率达到88.80%;随下倾高度增大,旋流器分离性能呈现先升高后降低的趋势,下倾高度为47.5 mm时颗粒分离效果最佳。经工业验证,相比渐开线入口旋流器,蜗壳式旋流器底流夹细和溢流跑粗现象得到改善。研究可为蜗壳式旋流器的优化设计及应用推广提供参考。
, authors=毛庆福
1, 夏亮亮
1, 臧凤启
1, 耿新国
1, 张洋
1, 顾巡巡
1, 刘培坤
2, 姜兰越
2, 宋颖
2, authorsList=毛庆福, 夏亮亮, 臧凤启, 耿新国, 张洋, 顾巡巡, 刘培坤, 姜兰越, 宋颖, authorCompany=null, correspAuthors=姜兰越, authorNote=
, correspAuthorsNote=
姜兰越(1990),男,博士,副教授,硕士生导师,主要从事高精度固液分离理论与装备的开发研究工作,通信地址:266590山东省青岛市黄岛区前湾港路579号山东科技大学机械电子工程学院,E-mail:
jianglanyue5@163.com。
, copyrightStatement=
作者向本刊所投稿件一经本刊录用,则该论文的复制权、发行权、信息网络传播权、翻译权、汇编权等权利视为自动转让给本刊。本刊为国内各主要数据库收录期刊,本刊所发表的稿件将同时通过互联网进行网络出版或提供信息服务。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=hSmaT7Q2BghgTxkmYLlKZw==, magXml=KaJsNs+C1UR/Dd0dCkmHSA==, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=l2krOKy7Af58bQL0L/WOWQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=VA2hU67QBj3nh0Vf8s4hMQ==, mapNumber=null, fund=null)}, authors=[Author(id=1320037745825796845, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=609116369@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1320037745901294319, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, authorId=1320037745825796845, language=EN, stringName=Qingfu MAO, firstName=Qingfu, middleName=null, lastName=MAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1汶上义桥煤矿有限责任公司,山东 济宁 272500, bio={"content":"
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毛庆福(1983),男,高级工程师,主要从事煤矿安全生产技术经营等方面的研究工作,E-mail:609116369@qq.com。
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Reference(id=1320037760052876140, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=22, rfOrder=32, authorNames=null, journalName=null, refType=null, unstructuredReference=LI F,LIU P K,YANG X H,et al.Numerical analysis of the separation performance of vortex feed hydrocyclone[J].Fluid Machinery,2021,49(6):30-35., articleTitle=null, refAbstract=null), Reference(id=1320037760111596397, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=23, rfOrder=33, authorNames=null, journalName=null, refType=null, unstructuredReference=JI L,KUANG S B,YU A B.Numerical investigation of hydrocyclone feed entrance configurations for mitigating particle misplacement[J].Industrial & Engineering Chemistry Research,2019,58(36):16823-16833., articleTitle=null, refAbstract=null), Reference(id=1320037760182899566, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=24, rfOrder=34, authorNames=null, journalName=null, refType=null, unstructuredReference=LI F,LIU P K,YANG X H,et al.Numerical simulation on the effects of different inlet pipe structures on the flow field and seperation performance in a hydrocyclone[J].Powder Technology,2020,373:254-266., articleTitle=null, refAbstract=null), Reference(id=1320037760245814127, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=25, rfOrder=35, 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authorNames=null, journalName=null, refType=null, unstructuredReference=LI M Q,HU M Y,CHEN X,et al.Multi‑objective optimization of cut‑in spiral guide vane hydrocyclone based on response surface and NSGA-II algorithm[J].Machine Tool & Hydraulics,2025,53(20):159-167., articleTitle=null, refAbstract=null), Reference(id=1320037760442946418, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=27, rfOrder=38, authorNames=null, journalName=null, refType=null, unstructuredReference=ZHAO B T,SHEN H G,KANG Y M.Development of a symmetrical spiral inlet to improve cyclone separator performance[J].Powder Technology,2004,145(1):47-50., articleTitle=null, refAbstract=null)], funds=null, companyList=[AuthorCompany(id=1320037745637053158, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, 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2College of Mechanical and Electronic Engineering,Shandong University of Science and Technology,Qingdao 266590,China), AuthorCompanyExt(id=1320037745737716459, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, companyId=1320037745720939241, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2山东科技大学 机械电子工程学院,山东 青岛 266590)])], figs=[ArticleFig(id=1320037750045266721, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.1, caption=
Schematic diagram of the volute entrance structure, figureFileSmall=nJM7+3+ifxPNBpRezV404A==, figureFileBig=l2krOKy7Af58bQL0L/WOWQ==, tableContent=null), ArticleFig(id=1320037750133347106, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图1, caption=
蜗壳入口结构示意, figureFileSmall=nJM7+3+ifxPNBpRezV404A==, figureFileBig=l2krOKy7Af58bQL0L/WOWQ==, tableContent=null), ArticleFig(id=1320037750330479395, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.2, caption=
Diagram of test system, figureFileSmall=ovKQjfKewXM5S4ltIlENnA==, figureFileBig=y2RU/SRkOl72P7Y2pce/1Q==, tableContent=null), ArticleFig(id=1320037750410171172, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图2, caption=
试验系统, figureFileSmall=ovKQjfKewXM5S4ltIlENnA==, figureFileBig=y2RU/SRkOl72P7Y2pce/1Q==, tableContent=null), ArticleFig(id=1320037750473085733, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.3, caption=
The structure of the volute feed body of different volute angles, figureFileSmall=BDsv6oEuVOovtFA355zJFw==, figureFileBig=X4431Ffprr9Al9bbIbt/hQ==, tableContent=null), ArticleFig(id=1320037750556971814, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图3, caption=
不同蜗壳包角的进料体结构(a)90° (b)135° (c)180° (d)225° (e)270°
, figureFileSmall=BDsv6oEuVOovtFA355zJFw==, figureFileBig=X4431Ffprr9Al9bbIbt/hQ==, tableContent=null), ArticleFig(id=1320037750640857895, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.4, caption=
The structure of the volute feed body with different degrees of downward inclination of the volute, figureFileSmall=kr5gNklbDd6XIKN/vaunCg==, figureFileBig=/vr7ZsCC22qwLd9rzgzVEQ==, tableContent=null), ArticleFig(id=1320037750716355368, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图4, caption=
不同蜗壳下倾高度的进料体结构(a)32.5 mm (b)40.0 mm (c)47.5 mm (d)55.0 mm (e)62.5 mm
, figureFileSmall=kr5gNklbDd6XIKN/vaunCg==, figureFileBig=/vr7ZsCC22qwLd9rzgzVEQ==, tableContent=null), ArticleFig(id=1320037750800241449, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.5, caption=
Effect of nose angle of volute on throughput and overflow yield, figureFileSmall=78G2lJsYfUpn+dzRRwOBRg==, figureFileBig=RKYf6sEG5Ld0y7eHNsIf5w==, tableContent=null), ArticleFig(id=1320037750863156010, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图5, caption=
蜗壳包角对处理量和溢流产率的影响曲线, figureFileSmall=78G2lJsYfUpn+dzRRwOBRg==, figureFileBig=RKYf6sEG5Ld0y7eHNsIf5w==, tableContent=null), ArticleFig(id=1320037750938653483, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.6, caption=
Effect of nose angle of volute on overflow and underflow concentration, figureFileSmall=PA5zHQmoyBnt/ehM7Qbh5g==, figureFileBig=jJpfyrjvGCsEh9dwFrUtEA==, tableContent=null), ArticleFig(id=1320037751001568044, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图6, caption=
蜗壳包角对溢流和底流浓度的影响曲线, figureFileSmall=PA5zHQmoyBnt/ehM7Qbh5g==, figureFileBig=jJpfyrjvGCsEh9dwFrUtEA==, tableContent=null), ArticleFig(id=1320037751081259821, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.7, caption=
Effect of nose angle of volute on separate efficiency, figureFileSmall=a8vQ62DqXgRspDOZa+6lSQ==, figureFileBig=WstTWW0PbimQBV7KEyyFRA==, tableContent=null), ArticleFig(id=1320037751173534510, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图7, caption=
蜗壳包角对分离效率的影响曲线, figureFileSmall=a8vQ62DqXgRspDOZa+6lSQ==, figureFileBig=WstTWW0PbimQBV7KEyyFRA==, tableContent=null), ArticleFig(id=1320037751240643375, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.8, caption=
Effect of downward depth of volute on throughput and overflow yield, figureFileSmall=m2zTxdzsqvhv6KaW2bPQIg==, figureFileBig=+cZmmq1euJQBUSgtmvCF9Q==, tableContent=null), ArticleFig(id=1320037751307752240, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图8, caption=
蜗壳下倾高度对处理量和溢流产率影响, figureFileSmall=m2zTxdzsqvhv6KaW2bPQIg==, figureFileBig=+cZmmq1euJQBUSgtmvCF9Q==, tableContent=null), ArticleFig(id=1320037751387444017, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.9, caption=
Effect of downward depth of volute on overflow and underflow concentration, figureFileSmall=YdFScDulmSiQkKQMVBbAXg==, figureFileBig=g09WtYGG2ZAM2AsLHwOWEg==, tableContent=null), ArticleFig(id=1320037751454552882, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图9, caption=
蜗壳下倾高度对溢流和底流浓度影响, figureFileSmall=YdFScDulmSiQkKQMVBbAXg==, figureFileBig=g09WtYGG2ZAM2AsLHwOWEg==, tableContent=null), ArticleFig(id=1320037751534244659, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.10, caption=
Effect of downward depth on separate efficiency, figureFileSmall=Z6p8U758j9168OFkNWdtHA==, figureFileBig=qgfEGfuCtuWpuenp/K2pIw==, tableContent=null), ArticleFig(id=1320037751597159220, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图10, caption=
蜗壳下倾高度对分离效率的影响, figureFileSmall=Z6p8U758j9168OFkNWdtHA==, figureFileBig=qgfEGfuCtuWpuenp/K2pIw==, tableContent=null), ArticleFig(id=1320037751676850997, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Fig.11, caption=
Field equipment diagram, figureFileSmall=JUWJ1NBddaycOuk8Z++Ljg==, figureFileBig=Axq8hcThZG2zuFfeCVhk5w==, tableContent=null), ArticleFig(id=1320037751735571254, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=图11, caption=
设备现场, figureFileSmall=JUWJ1NBddaycOuk8Z++Ljg==, figureFileBig=Axq8hcThZG2zuFfeCVhk5w==, tableContent=null), ArticleFig(id=1320037751806874423, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Tab.1, caption=
Structure parameters of hydrocyclone
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| 筒体直径/mm | 75 | 柱段高度/mm | 75 |
| 进料口尺寸/(mm×mm) | 15×25 | 锥段高度/mm | 186 |
| 溢流口直径/mm | 25 | 溢流管插入深度/mm | 50 |
| 底流口直径/mm | 12.5 | 锥角θ/(°) | 20 |
), ArticleFig(id=1320037751873983288, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=表1, caption=
旋流器结构参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 参数 | 数值 | 参数 | 数值 |
|---|
| 筒体直径/mm | 75 | 柱段高度/mm | 75 |
| 进料口尺寸/(mm×mm) | 15×25 | 锥段高度/mm | 186 |
| 溢流口直径/mm | 25 | 溢流管插入深度/mm | 50 |
| 底流口直径/mm | 12.5 | 锥角θ/(°) | 20 |
), ArticleFig(id=1320037751957869369, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Tab.2, caption=
Particle size distribution of quartz sand
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒径/μm | 区间含量/% | 累积含量/% | | 粒径/μm | 区间含量/% | 累积含量/% |
|---|
| (0.5,1] | 0.09 | 0.09 | | (37,44] | 8.41 | 56.30 |
| (1,2] | 1.68 | 1.77 | | (44,53] | 9.83 | 66.13 |
| (2,5] | 5.42 | 7.19 | | (53,63] | 9.19 | 75.32 |
| (5,10] | 7.80 | 15.00 | | (63,74] | 7.91 | 83.23 |
| (10,15] | 6.44 | 21.44 | | (74,88] | 7.08 | 90.31 |
| (15,20] | 5.85 | 27.29 | | (88,104] | 4.90 | 95.21 |
| (20,25] | 5.87 | 33.16 | | (104,124] | 3.26 | 98.46 |
| (25,33] | 9.80 | 42.95 | | (124,147] | 1.40 | 99.86 |
| (33,37] | 4.94 | 47.89 | | (147,175] | 0.14 | 100.00 |
), ArticleFig(id=1320037752024978234, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=表2, caption=
石英砂粒度分布
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒径/μm | 区间含量/% | 累积含量/% | | 粒径/μm | 区间含量/% | 累积含量/% |
|---|
| (0.5,1] | 0.09 | 0.09 | | (37,44] | 8.41 | 56.30 |
| (1,2] | 1.68 | 1.77 | | (44,53] | 9.83 | 66.13 |
| (2,5] | 5.42 | 7.19 | | (53,63] | 9.19 | 75.32 |
| (5,10] | 7.80 | 15.00 | | (63,74] | 7.91 | 83.23 |
| (10,15] | 6.44 | 21.44 | | (74,88] | 7.08 | 90.31 |
| (15,20] | 5.85 | 27.29 | | (88,104] | 4.90 | 95.21 |
| (20,25] | 5.87 | 33.16 | | (104,124] | 3.26 | 98.46 |
| (25,33] | 9.80 | 42.95 | | (124,147] | 1.40 | 99.86 |
| (33,37] | 4.94 | 47.89 | | (147,175] | 0.14 | 100.00 |
), ArticleFig(id=1320037752104670011, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Tab.3, caption=
Effect of nose angle of volute on separation accuracy and classification performance
, figureFileSmall=null, figureFileBig=null, tableContent=
| 蜗壳包角/(°) | 分离粒度d50/μm | 陡度指数S | 可能偏差E | 粒径<15 μm颗粒分级效率/% |
|---|
| 质效率 | 量效率 |
|---|
| 90 | 14.68 | 0.50 | 5.26 | 77.58 | 87.19 |
| 135 | 14.57 | 0.50 | 5.20 | 78.42 | 87.62 |
| 180 | 14.46 | 0.53 | 4.67 | 78.75 | 88.80 |
| 225 | 15.15 | 0.48 | 5.65 | 75.51 | 87.71 |
| 270 | 15.28 | 0.47 | 5.76 | 74.76 | 86.56 |
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蜗壳包角对分离精度和分级性能的影响结果
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| 蜗壳包角/(°) | 分离粒度d50/μm | 陡度指数S | 可能偏差E | 粒径<15 μm颗粒分级效率/% |
|---|
| 质效率 | 量效率 |
|---|
| 90 | 14.68 | 0.50 | 5.26 | 77.58 | 87.19 |
| 135 | 14.57 | 0.50 | 5.20 | 78.42 | 87.62 |
| 180 | 14.46 | 0.53 | 4.67 | 78.75 | 88.80 |
| 225 | 15.15 | 0.48 | 5.65 | 75.51 | 87.71 |
| 270 | 15.28 | 0.47 | 5.76 | 74.76 | 86.56 |
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Effect of downward depth on separation accuracy and classification performance
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| 蜗壳下倾高度/mm | 分离粒度d50/μm | 陡度指数S | 可能偏差E | 粒径<15 μm颗粒分级效率/% |
|---|
| 质效率 | 量效率 |
|---|
| 32.5 | 14.77 | 0.48 | 5.06 | 76.23 | 83.84 |
| 40.0 | 14.55 | 0.50 | 5.04 | 77.38 | 86.60 |
| 47.5 | 14.46 | 0.53 | 4.67 | 78.75 | 88.80 |
| 55.0 | 14.51 | 0.48 | 5.22 | 75.75 | 86.52 |
| 62.5 | 14.62 | 0.47 | 5.30 | 75.22 | 86.27 |
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蜗壳下倾高度对分离精度和分级性能的影响结果
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| 蜗壳下倾高度/mm | 分离粒度d50/μm | 陡度指数S | 可能偏差E | 粒径<15 μm颗粒分级效率/% |
|---|
| 质效率 | 量效率 |
|---|
| 32.5 | 14.77 | 0.48 | 5.06 | 76.23 | 83.84 |
| 40.0 | 14.55 | 0.50 | 5.04 | 77.38 | 86.60 |
| 47.5 | 14.46 | 0.53 | 4.67 | 78.75 | 88.80 |
| 55.0 | 14.51 | 0.48 | 5.22 | 75.75 | 86.52 |
| 62.5 | 14.62 | 0.47 | 5.30 | 75.22 | 86.27 |
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Overflow particle size comparison
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| 粒径/μm | 渐开线入口旋流器 | 蜗壳式入口旋流器 |
|---|
| 产率/% | 累计产率/% | 灰分/% | 累计灰分/% | 产率/% | 累计产率/% | 灰分/% | 累计灰分/% |
|---|
| >850 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| (550,850] | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| (250,550] | 0.47 | 0.47 | 3.91 | 3.91 | 0.95 | 0.95 | 5.31 | 5.31 |
| (125,250] | 6.73 | 7.21 | 3.31 | 3.35 | 7.60 | 8.55 | 4.97 | 5.01 |
| (74,125] | 10.86 | 18.06 | 7.53 | 5.86 | 6.97 | 15.52 | 7.75 | 6.24 |
| (45,74] | 12.64 | 30.70 | 10.68 | 7.85 | 16.40 | 31.91 | 11.22 | 8.80 |
| ≤45 | 69.30 | 100.00 | 38.07 | 28.79 | 68.09 | 100.00 | 35.01 | 26.65 |
), ArticleFig(id=1320037754361205568, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=表5, caption=
溢流粒度对比
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒径/μm | 渐开线入口旋流器 | 蜗壳式入口旋流器 |
|---|
| 产率/% | 累计产率/% | 灰分/% | 累计灰分/% | 产率/% | 累计产率/% | 灰分/% | 累计灰分/% |
|---|
| >850 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| (550,850] | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| (250,550] | 0.47 | 0.47 | 3.91 | 3.91 | 0.95 | 0.95 | 5.31 | 5.31 |
| (125,250] | 6.73 | 7.21 | 3.31 | 3.35 | 7.60 | 8.55 | 4.97 | 5.01 |
| (74,125] | 10.86 | 18.06 | 7.53 | 5.86 | 6.97 | 15.52 | 7.75 | 6.24 |
| (45,74] | 12.64 | 30.70 | 10.68 | 7.85 | 16.40 | 31.91 | 11.22 | 8.80 |
| ≤45 | 69.30 | 100.00 | 38.07 | 28.79 | 68.09 | 100.00 | 35.01 | 26.65 |
), ArticleFig(id=1320037754797413186, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=EN, label=Tab.6, caption=
Underflow particle size comparison
, figureFileSmall=null, figureFileBig=null, tableContent=
| 粒径/μm | 渐开线入口旋流器 | 蜗壳式入口旋流器 |
|---|
| 产率/% | 累计产率/% | 灰分/% | 累计灰分/% | 产率/% | 累计产率/% | 灰分/% | 累计灰分/% |
|---|
| >850 | 9.05 | 9.05 | 0 | 0 | 8.23 | 8.23 | 0 | 0 |
| (550,850] | 18.24 | 27.28 | 0 | 0 | 19.37 | 27.60 | 0 | 0 |
| (250,550] | 32.76 | 60.05 | 17.23 | 17.23 | 36.65 | 64.25 | 21.71 | 21.71 |
| (125,250] | 19.12 | 79.16 | 17.76 | 17.58 | 18.70 | 82.95 | 21.83 | 21.80 |
| (74,125] | 6.80 | 85.97 | 16.71 | 17.10 | 6.59 | 89.54 | 23.03 | 22.50 |
| (45,74] | 5.03 | 91.00 | 21.15 | 17.15 | 5.00 | 94.54 | 37.42 | 24.53 |
| ≤45 | 9.00 | 100.00 | 49.38 | 19.70 | 5.46 | 100.00 | 57.91 | 26.99 |
), ArticleFig(id=1320037754906465091, tenantId=1146029695717560320, journalId=1316781260334530699, articleId=1320037741434360525, language=CN, label=表6, caption=
底流粒度对比
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| 粒径/μm | 渐开线入口旋流器 | 蜗壳式入口旋流器 |
|---|
| 产率/% | 累计产率/% | 灰分/% | 累计灰分/% | 产率/% | 累计产率/% | 灰分/% | 累计灰分/% |
|---|
| >850 | 9.05 | 9.05 | 0 | 0 | 8.23 | 8.23 | 0 | 0 |
| (550,850] | 18.24 | 27.28 | 0 | 0 | 19.37 | 27.60 | 0 | 0 |
| (250,550] | 32.76 | 60.05 | 17.23 | 17.23 | 36.65 | 64.25 | 21.71 | 21.71 |
| (125,250] | 19.12 | 79.16 | 17.76 | 17.58 | 18.70 | 82.95 | 21.83 | 21.80 |
| (74,125] | 6.80 | 85.97 | 16.71 | 17.10 | 6.59 | 89.54 | 23.03 | 22.50 |
| (45,74] | 5.03 | 91.00 | 21.15 | 17.15 | 5.00 | 94.54 | 37.42 | 24.53 |
| ≤45 | 9.00 | 100.00 | 49.38 | 19.70 | 5.46 | 100.00 | 57.91 | 26.99 |
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