Article(id=1321893365440951236, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893331622286028, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1754150400000, receivedDateStr=2025-08-03, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793093537912, onlineDateStr=2026-10-27, pubDate=1784908800000, pubDateStr=2026-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793093537912, onlineIssueDateStr=2026-10-27, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793093537912, creator=13701087609, updateTime=1793093537912, updator=13701087609, issue=Issue{id=1321893331622286028, tenantId=1146029695717560320, journalId=1225396423026438145, year='2026', volume='46', issue='7', pageStart='1', pageEnd='320', issueExtLink='null', onlineDate='null', pubDate='1784908800000', pubDateStr='2026-07-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793093529849, creator='13701087609', updateTime=1793094587578, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1321897768357048353, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893331622286028, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1321897768357048354, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1321893331622286028, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=221, endPage=231, ext={EN=ArticleExt(id=1321893365600334789, articleId=1321893365440951236, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Numerical Simulation Study on Moisture Distribution Characteristics of Plate-and-Frame Filter Presses Under Multi-Size Particle Systems, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=

To reveal the particle motion mechanisms and the effects of feed parameters on the moisture distribution within the filter cake, a three-dimensional dynamic filtration numerical model of a plate-and-frame filter press was constructed based on the Eulerian multiphase model and the multi-scale characteristics of coal slime particles. The motion processes of the particle and liquid phases, alongside the particle deposition process, were systematically investigated, and the impacts of coal slime mass fraction and filter chamber thickness on the moisture distribution of the filter cake were analyzed. The results indicate that fine particles (<0.1 mm) are dominated by fluid drag forces. During the initial filtration stage (0-120 s), streamline dispersion and particle bleed-through phenomena occur, forming a dense shell on the filter cloth surface with a volume fraction approaching 80%. Conversely, coarse particles (≥0.1 mm) are primarily governed by gravitational settling, aggregating in the middle and lower sections of the filter chamber to constitute a supporting skeleton. The feed mass fraction of the coal slime significantly impacts the filter cake structure. Under a low feed mass fraction (30%), fine and coarse particles undergo stratification, leading to a "sandwich" moisture accumulation in the middle and upper parts of the filter cake. At a mass fraction of 40%, a uniform particle distribution and efficient dewatering are achieved. When the coal slime mass fraction exceeds 50%, the weakened carrying capacity of the water flow causes particles to settle synchronously, resulting in an overall dense filter cake with dispersed moisture. Furthermore, when the filter chamber thickness exceeds 38 mm, the densification of the outer cake layer combined with insufficient internal drainage pressure collectively induces the "sandwich" phenomenon at the center of the filter cake, which shifts toward the chamber axis as the chamber thickness increases. The findings provide a theoretical basis for optimizing the process parameters of pressure filtration.

, authors=Zhigang Zhang^{1, 2}, Xiaomin Ma¹, Yuping Fan¹, Xianshu Dong¹, Yunxiang Huo³, Daguo Wang³, Shichen Wang³, Jingzhou Wang^{1, 4}, authorsList=Zhigang Zhang, Xiaomin Ma, Yuping Fan, Xianshu Dong, Yunxiang Huo, Daguo Wang, Shichen Wang, Jingzhou Wang, authorCompany=null, correspAuthors=Xiaomin Ma, 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=1321893367403885511, articleId=1321893365440951236, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=多粒径颗粒体系下板框压滤机水分分布特性的数值模拟研究, columnId=1226462295946085268, journalTitle=矿业研究与开发, columnName=矿山机电与矿业智能化, runingTitle=null, highlight=null, articleAbstract=

为揭示颗粒运动机制及入料参数对滤饼水分分布的影响规律，基于欧拉多相流模型与煤泥颗粒多尺度特性，构建了板框压滤机三维动态压滤数值模型，系统探究了颗粒相、液相运动过程及颗粒沉积过程，分析了煤泥质量分数和滤室厚度对滤饼水分分布的影响。研究表明，细颗粒（<0.1 mm）受流体曳力主导，压滤初期（0~120 s）出现流线弥散与“穿滤”现象，并在滤布表面形成体积分数占比接近80%的致密外壳；粗颗粒（≥0.1 mm）以重力沉降为主，在滤室中下部聚集构成支撑骨架。入料煤泥质量分数对滤饼结构影响显著，低入料煤泥质量分数（30%）下细颗粒和粗颗粒分层，导致滤饼中上部出现“夹心”水分聚集；煤泥质量分数为40%时可实现颗粒均匀分布与高效脱水；煤泥质量分数>50%时，因水流携带力减弱，颗粒同步沉降形成整体致密但水分分散的滤饼。此外，滤室厚度超过38 mm时，滤饼外层致密化与内部排水压力不足共同诱发滤饼中心出现“夹心”现象，且该现象随着滤室厚度的增加向滤室轴线偏移。研究成果可为压滤工艺参数优化提供理论依据。

, authors=张志刚^{1, 2}, 马晓敏¹, 樊玉萍¹, 董宪姝¹, 霍云香³, 王大国³, 王世臣³, 王景洲^{1, 4}, authorsList=张志刚, 马晓敏, 樊玉萍, 董宪姝, 霍云香, 王大国, 王世臣, 王景洲, authorCompany=null, correspAuthors=马晓敏, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=bG5LbN5RfVDZleUw/7SDGA==, magXml=fJ0s9FAlGO1hnfey4WssJg==, pdfUrl=null, pdf=ylGcThic+c328VA/6KoXHA==, pdfFileSize=3482841, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=inY2yevhILQQiDZGbziXCg==, mapNumber=null, fund=null)}, authors=[Author(id=1321893368012059605, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321893365440951236, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zzg_0228@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321893368116917208, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321893365440951236, authorId=1321893368012059605, language=EN, stringName=Zhigang Zhang, firstName=Zhigang, middleName=null, lastName=Zhang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=^{1, 2}, address=^1.College of Mining Engineering, Taiyuan University of Technology, Taiyuan, Shanxi 030024, China
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张志刚（1976—），男，辽宁锦州人，硕士，正高级工程师，主要从事煤炭开发与加工利用等方面的研究。E-mail:zzg_0228@163.com

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张志刚（1976—），男，辽宁锦州人，硕士，正高级工程师，主要从事煤炭开发与加工利用等方面的研究。E-mail:zzg_0228@163.com

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