Article(id=1317114942281593194, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1317114928411034576, articleNumber=null, orderNo=null, doi=10.13355/j.cnki.sfyj.2026.05.017, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1774195200000, receivedDateStr=2026-03-23, revisedDate=1779724800000, revisedDateStr=2026-05-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1791954273051, onlineDateStr=2026-10-14, pubDate=1792425600000, pubDateStr=2026-10-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1791954273051, onlineIssueDateStr=2026-10-14, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1791954273051, creator=13701087609, updateTime=1791954273051, updator=13701087609, issue=Issue{id=1317114928411034576, tenantId=1146029695717560320, journalId=1146120122248306696, year='2026', volume='45', issue='5', pageStart='613', pageEnd='782', issueExtLink='null', onlineDate='null', pubDate='1792425600000', pubDateStr='2026-10-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1791954269745, creator='13701087609', updateTime=1792120411533, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1317811777694450639, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1317114928411034576, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1317811777694450640, tenantId=1146029695717560320, journalId=1146120122248306696, issueId=1317114928411034576, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=773, endPage=782, ext={EN=ArticleExt(id=1317114942491308395, articleId=1317114942281593194, tenantId=1146029695717560320, journalId=1146120122248306696, language=EN, title=Flow Field Characteristics and Separation Effect of Heavy Medium Cyclone for Uranium Ore Based on CFD, columnId=1152626641181700664, journalTitle=Hydrometallurgy of China, columnName=Experiment Research, runingTitle=null, highlight=null, articleAbstract=

In response to the current situation where the influencing factors of the efficiency of heavy medium cyclones in uranium ore separation are unclear and the parameter settings lack theoretical basis, taking the FX250 type heavy medium cyclone as the object, a multi-phase flow numerical simulation system was constructed using the CFD-DEM coupling method. Seven sets of different feed pressure and heavy medium density comparison conditions were set up. The effects of parameters on the characteristics of the cyclone and uranium ore separation were explored from three dimensions: flow field distribution, phase structure, and particle movement. Experimental verification was carried out in conjunction with the Jiangxi volcanic rock-type uranium ore. The results show that increasing the feed pressure can optimize the flow field and the gas core structure, promoting particle stratification; the influence of heavy medium density on the flow field is weak, but it can significantly improve the separation accuracy. The test results confirm that increasing the feed pressure or the heavy medium density can improve the grade of the concentrate, but it will reduce the yield and recovery rate. Based on the experimental results, the optimal parameter range for uranium ore separation using the heavy medium cyclone is determined as a feed pressure of 0.13-0.14 MPa and a dense medium density of 2.60-2.65 g/cm³.

, authors=Xianming HOU, Zhichao LIU, Guang LI, Yuhui TIAN, Chen ZHANG, Chunfeng LI, Jia MA, Shouxun ZHANG, authorsList=Xianming HOU, Zhichao LIU, Guang LI, Yuhui TIAN, Chen ZHANG, Chunfeng LI, Jia MA, Shouxun ZHANG, authorCompany=null, correspAuthors=Zhichao LIU, 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=1317114942881378668, articleId=1317114942281593194, tenantId=1146029695717560320, journalId=1146120122248306696, language=CN, title=基于CFD的铀矿石重介质旋流器流场特性及分选效果研究, columnId=1152626641328501305, journalTitle=湿法冶金, columnName=试验研究, runingTitle=null, highlight=null, articleAbstract=

针对重介质旋流器在铀矿分选过程中效率影响因素不明、参数设定缺乏理论依据的现实问题，以FX250型重介质旋流器为对象，采用CFD-DEM耦合方法构建多相流数值模拟体系，设置7组不同入料压力与重介质密度的对比工况，从流场分布、相态结构、颗粒运动三个维度探究了参数对旋流器特性及铀矿分选的影响，并结合江西火山岩型铀矿开展试验验证。结果表明：入料压力提升可优化流场与气芯结构，促进颗粒分层；重介质密度对流场影响弱，但能显著提高分离精度；验证试验结果证实，升高入料压力或增大重介质密度可提升精矿品位，但也会降低产率和回收率；根据试验结果确定入料压力0.13～0.14 MPa、重介质密度2.60～2.65 g/cm³为适合铀矿重介质旋流器分选的最优参数区间。

, authors=候鲜名, 刘志超, 李广, 田宇晖, 张晨, 李春风, 马嘉, 张守逊, authorsList=候鲜名, 刘志超, 李广, 田宇晖, 张晨, 李春风, 马嘉, 张守逊, authorCompany=null, correspAuthors=刘志超, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=GPIYsSvgBRLo6uXeZcq7TQ==, magXml=qhiFNoPkg+UUBFooNFvsig==, pdfUrl=null, pdf=aAj2DwiGFraAlPaYqCrZjA==, pdfFileSize=9509996, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=9TERm6y89Zhk0o1ShH05xg==, mapNumber=null, fund=null)}, authors=[Author(id=1317114943191757169, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1317114942281593194, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1317114943263060339, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1317114942281593194, authorId=1317114943191757169, language=EN, stringName=Xianming HOU, firstName=Xianming, middleName=null, lastName=HOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=Beijing Research Institute of Chemical Engineering and Metallurgy, CNNC, Beijing　101149, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1317114943338557812, tenantId=1146029695717560320, journalId=1146120122248306696, articleId=1317114942281593194, authorId=1317114943191757169, language=CN, stringName=候鲜名, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=null, address=核工业北京化工冶金研究院，北京　101149, bio={"content":"

候鲜名（2001—），男，硕士研究生，主要研究方向为铀及共伴生多金属矿选矿技术。

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候鲜名（2001—），男，硕士研究生，主要研究方向为铀及共伴生多金属矿选矿技术。

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