Article(id=1322594728860824280, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322594503278580030, 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=1710518400000, receivedDateStr=2024-03-16, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793260755981, onlineDateStr=2026-10-29, pubDate=1737734400000, pubDateStr=2025-01-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793260755981, onlineIssueDateStr=2026-10-29, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793260755981, creator=13701087609, updateTime=1793260755981, updator=13701087609, issue=Issue{id=1322594503278580030, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='1', pageStart='1', pageEnd='276', issueExtLink='null', onlineDate='null', pubDate='1737734400000', pubDateStr='2025-01-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793260702199, creator='13701087609', updateTime=1793260702199, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=194, endPage=203, ext={EN=ArticleExt(id=1322594729041179353, articleId=1322594728860824280, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Study on Comprehensive Dust Suppression of Dust-Isolation with Air Curtain and Negative Pressure Suction in Grab Unloading, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Aiming at the dust diffusion phenomenon in the process of grab unloading, the dust-isolation with air curtain and negative pressure suction technology were combined, and the CFD-DEM two-way coupling simulation method was used to study the comprehensive dust suppression system of dust-isolation surrounded by air curtain and negative pressure suction. Through the performance simulation study of the dust-isolation surrounded by air curtain, it is concluded that the effective block of dust can be achieved when the jet velocity of the air curtain is greater than 8 m/s. At the same time, based on the theory of negative pressure suction, the relationship between the mass flow of air flow of the suction port and the unloading time was deduced by CFD fluid mechanics method, and the simulation model of grab unloading was established. The flow field distribution of the unloading plane and the mass flow rate of dusty air flow escaping from the dust-isolation hopper mouth plane were extracted by simulation to reflect the movement of the dusty air flow inside the hopper. The movement law and dust suppression effect of unloading dust before and after the installation of air curtain and negative pressure suction device were compared and analyzed through tsets. The results show that compared with traditional grab, the instullation of air curtain and negative pressure suction device reduced the maximum mass concentration of dust at the hopper mouth by 738.3 mg/m3, which is reduced by about 95.3%, and the complete settlement time of dust is shortened by 60%. The results provide a reference for efficiently solving the problem of dust diffusion in unloading.
, authors=Dongbo SU
1, 2, Wenjun MENG
1, 2, Hanzhong ZHANG
1, 2, Jiaqi LI
1, 2, authorsList=Dongbo SU, Wenjun MENG, Hanzhong ZHANG, Jiaqi LI, authorCompany=null, correspAuthors=Wenjun MENG, 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=1322594736326685448, articleId=1322594728860824280, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=抓斗卸料气幕隔尘与负压吸气综合抑尘研究, columnId=1226462295417598973, journalTitle=矿业研究与开发, columnName=矿山安全与环保, runingTitle=null, highlight=null, articleAbstract=
针对抓斗卸料过程中粉尘扩散现象,将气幕隔尘与负压吸气技术相结合,采用CFD-DEM双向耦合仿真方法,对四周环绕气幕隔尘与负压吸气综合抑尘系统进行研究。通过四周环绕气幕隔尘性能仿真研究得出,气幕射流速度大于8 m/s时可以实现粉尘的有效阻隔。同时,基于负压吸气理论,通过CFD流体力学方法,推导出吸气口气流质量流量与卸料时间的关系式,建立抓斗卸料仿真模型,通过仿真提取卸料平面流场分布及隔尘料斗口平面逸出含尘气流质量流量,以反映料斗内部含尘气流的运动情况,通过试验对比分析加装气幕及负压吸气装置前后卸料粉尘运动规律及抑尘效果。结果表明:与传统抓斗相比,加装气幕及负压吸气装置后,料斗口粉尘质量浓度最大值降低了738.3 mg/m3,降低了约95.3%,粉尘完全沉降时间缩短了60%,为高效解决卸料粉尘扩散问题提供了参考。
, authors=苏东波
1, 2, 孟文俊
1, 2, 张汉中
1, 2, 李佳琦
1, 2, authorsList=苏东波, 孟文俊, 张汉中, 李佳琦, authorCompany=null, correspAuthors=孟文俊, authorNote=
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孟文俊(1963—),男,山西太原人,博士,教授,主要从事起重运输机械、物流设备及其系统自动化、机电液体化系统控制研究。E-mail:
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苏东波(1999—),男,山西运城人,硕上研究生,主要从事起重运输机械、气固两相流研究。E-mail:13111199381@163.com
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苏东波(1999—),男,山西运城人,硕上研究生,主要从事起重运输机械、气固两相流研究。E-mail:13111199381@163.com
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Journal of Loss Prevention in the Process Industries,
2017,
46: 45-53., articleTitle=Unsteady simulation for optimal arrangement of dedusting airduct in coal mine heading face, refAbstract=null)], funds=[Fund(id=1322594755377214296, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, awardId=52075356, language=CN, fundingSource=国家自然科学基金资助项目(52075356), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1322594737144574729, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, xref=1., ext=[AuthorCompanyExt(id=1322594737157157642, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, companyId=1322594737144574729, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan, Shanxi 030024, China), AuthorCompanyExt(id=1322594737165546251, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, companyId=1322594737144574729, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1.太原科技大学 机械工程学院,山西 太原 030024)]), AuthorCompany(id=1322594737232655116, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, xref=2., ext=[AuthorCompanyExt(id=1322594737241043725, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, companyId=1322594737232655116, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.Shanxi Key Laboratory of Intelligent Logistics Equipment, Taiyuan, Shanxi 030024, China), AuthorCompanyExt(id=1322594737245238030, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, companyId=1322594737232655116, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.智能物流装备山西省重点实验室,山西 太原 030024)])], figs=[ArticleFig(id=1322594746376237873, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.1, caption=
Hopper structure of dust-isolation surrounded by air curtain, figureFileSmall=EdqDcOUDzA7zS9nb4def4A==, figureFileBig=t8Xk/woc6aqXgzAa/teAbQ==, tableContent=null), ArticleFig(id=1322594746451735346, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图1, caption=
四周环绕气幕隔尘料斗结构, figureFileSmall=EdqDcOUDzA7zS9nb4def4A==, figureFileBig=t8Xk/woc6aqXgzAa/teAbQ==, tableContent=null), ArticleFig(id=1322594746833417011, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.2, caption=
Simulation model of dust-isolation surrounded by air curtain, figureFileSmall=SiY0iEQoDWP547rV/mwQDw==, figureFileBig=IwqlmVcO3X4hj9qHxNAxCA==, tableContent=null), ArticleFig(id=1322594746896331572, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图2, caption=
四周环绕气幕隔尘仿真模型, figureFileSmall=SiY0iEQoDWP547rV/mwQDw==, figureFileBig=IwqlmVcO3X4hj9qHxNAxCA==, tableContent=null), ArticleFig(id=1322594747013772085, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.3, caption=
Air flow direction surrounded by air curtain, figureFileSmall=d//eqdnVGFg64gdEjOkBMA==, figureFileBig=HjbIgbtUpWtunip4KVFTrw==, tableContent=null), ArticleFig(id=1322594747215098678, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图3, caption=
四周环绕气幕气流流向示意, figureFileSmall=d//eqdnVGFg64gdEjOkBMA==, figureFileBig=HjbIgbtUpWtunip4KVFTrw==, tableContent=null), ArticleFig(id=1322594747282207543, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.4, caption=
Velocity vector diagrams of horizontal air flow field of dust-isolation surrounded by air curtain, figureFileSmall=vsyKhq8NEb1eASFMvP36uQ==, figureFileBig=W10qK9p7vA5MgGfR/BrrCg==, tableContent=null), ArticleFig(id=1322594747336733496, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图4, caption=
四周环绕气幕隔尘水平空气流场速度矢量图, figureFileSmall=vsyKhq8NEb1eASFMvP36uQ==, figureFileBig=W10qK9p7vA5MgGfR/BrrCg==, tableContent=null), ArticleFig(id=1322594747408036665, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.5, caption=
Velocity vector diagram of vertical air flow field of dust-isolation surrounded by air curtain, figureFileSmall=W4w4JnjVTYm8LefKHlyxrQ==, figureFileBig=jiS91p4zAq8XGwtaMX9YDQ==, tableContent=null), ArticleFig(id=1322594747470951226, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图5, caption=
四周环绕气幕隔尘竖直空气流场速度矢量图, figureFileSmall=W4w4JnjVTYm8LefKHlyxrQ==, figureFileBig=jiS91p4zAq8XGwtaMX9YDQ==, tableContent=null), ArticleFig(id=1322594747533865787, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.6, caption=
Air flow in the suction port of point sink, figureFileSmall=s5sL9JfzRTJB73kQJAfnvg==, figureFileBig=obn/8B7O7S0YJq7VQJggAg==, tableContent=null), ArticleFig(id=1322594747596780348, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图6, caption=
点汇吸气口气流流动, figureFileSmall=s5sL9JfzRTJB73kQJAfnvg==, figureFileBig=obn/8B7O7S0YJq7VQJggAg==, tableContent=null), ArticleFig(id=1322594747659694909, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.7, caption=
Two-dimensional simulation model, figureFileSmall=yWWI4lFwvIgvjkV4hYn5Sw==, figureFileBig=DZ5hBAMRHb8TrZ5MnBsAyQ==, tableContent=null), ArticleFig(id=1322594747722609470, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图7, caption=
二维仿真模型, figureFileSmall=yWWI4lFwvIgvjkV4hYn5Sw==, figureFileBig=DZ5hBAMRHb8TrZ5MnBsAyQ==, tableContent=null), ArticleFig(id=1322594747793912639, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.8, caption=
Fitting curve of velocity outlet-inlet air flow velocity, figureFileSmall=NIDQTrED8b+bmcgWjvTndw==, figureFileBig=P8iXa8qfbJOhBPhrPmb60g==, tableContent=null), ArticleFig(id=1322594747856827200, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图8, caption=
速度出口—入口气流速度的拟合曲线, figureFileSmall=NIDQTrED8b+bmcgWjvTndw==, figureFileBig=P8iXa8qfbJOhBPhrPmb60g==, tableContent=null), ArticleFig(id=1322594747919741761, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.9, caption=
Fitting curves of negative pressure suction port air flow velocity and unloading time, figureFileSmall=sNJwkCWPTLGn979sX0OMBw==, figureFileBig=IuNgq1p08LLhulJieZYItw==, tableContent=null), ArticleFig(id=1322594747986850626, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图9, caption=
负压吸气口气流速度与卸料时间的拟合曲线, figureFileSmall=sNJwkCWPTLGn979sX0OMBw==, figureFileBig=IuNgq1p08LLhulJieZYItw==, tableContent=null), ArticleFig(id=1322594749723292486, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.10, caption=
Simulation model of negative pressure suction of dust-isolation hopper surrounded by air curtain, figureFileSmall=L+BxTmXmqwQ0Mn2CcfiUwg==, figureFileBig=CrAMaJaSo+Yl4nJChgzojA==, tableContent=null), ArticleFig(id=1322594750071419719, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图10, caption=
四周环绕气幕隔尘料斗负压吸气仿真模型, figureFileSmall=L+BxTmXmqwQ0Mn2CcfiUwg==, figureFileBig=CrAMaJaSo+Yl4nJChgzojA==, tableContent=null), ArticleFig(id=1322594750142722888, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.11, caption=
Distribution of unloading plane flow field, figureFileSmall=6zo6HwJbOCLRnk2rxWpCVg==, figureFileBig=W5w0N3UE/IL4LvaZRxu3dQ==, tableContent=null), ArticleFig(id=1322594750209831753, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图11, caption=
卸料平面流场分布, figureFileSmall=6zo6HwJbOCLRnk2rxWpCVg==, figureFileBig=W5w0N3UE/IL4LvaZRxu3dQ==, tableContent=null), ArticleFig(id=1322594750545376074, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.12, caption=
Mass flow of dusty air flow escaping from the dust-isolation hopper mouth plane, figureFileSmall=no32he/1z+I8/YsWvcP7Uw==, figureFileBig=5B7Mt1g0qcbM6tlKFaKVRQ==, tableContent=null), ArticleFig(id=1322594750906086219, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图12, caption=
隔尘料斗口平面逸出含尘气流质量流量, figureFileSmall=no32he/1z+I8/YsWvcP7Uw==, figureFileBig=5B7Mt1g0qcbM6tlKFaKVRQ==, tableContent=null), ArticleFig(id=1322594750998360908, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.13, caption=
Test bench of traditional grab unloading and after installation of air curtain and negative pressure suction device, figureFileSmall=zgzT+KOR7YSkf0eDKPQMbw==, figureFileBig=hV5BGb76flvTOXkc4zs3hg==, tableContent=null), ArticleFig(id=1322594751346488141, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图13, caption=
传统抓斗卸料和加装气幕及负压吸气装置后的试验台, figureFileSmall=zgzT+KOR7YSkf0eDKPQMbw==, figureFileBig=hV5BGb76flvTOXkc4zs3hg==, tableContent=null), ArticleFig(id=1322594754601268046, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.14, caption=
Movement law of unloading dust after traditional grab unloading and installation of air curtain and negative pressure suction device, figureFileSmall=7WwS8k/SzQmu4hdskfNqpQ==, figureFileBig=zwLgf/v3skEXBUoyyHFC1Q==, tableContent=null), ArticleFig(id=1322594754689348431, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图14, caption=
传统抓斗卸料和加装气幕及负压吸气装置后的卸料粉尘运动规律, figureFileSmall=7WwS8k/SzQmu4hdskfNqpQ==, figureFileBig=zwLgf/v3skEXBUoyyHFC1Q==, tableContent=null), ArticleFig(id=1322594754764845904, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Fig.15, caption=
Mass concentration variation law of unloading dust after traditional grab unloading and installation of air curtain and negative pressure suction device, figureFileSmall=XiwIcwv9MzISWC2PFD1Kqw==, figureFileBig=XEt7Ky4EUOLwqb/U1alGYQ==, tableContent=null), ArticleFig(id=1322594754827760465, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=图15, caption=
传统抓斗卸料和加装气幕及负压吸气装置后的卸料粉尘质量浓度变化规律, figureFileSmall=XiwIcwv9MzISWC2PFD1Kqw==, figureFileBig=XEt7Ky4EUOLwqb/U1alGYQ==, tableContent=null), ArticleFig(id=1322594754894869330, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Table 1, caption=
Fluid boundary conditions and parameters
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别 | 参数设置 |
|---|
| 时间 | 稳态 |
| 材料 | 空气 |
| 模型 | DPM |
| 湍流模型 | Standard k-epsilon |
| 诱导气流产生面 | velocity-inlet 1(0.7 m/s) |
| 射流出口 | velocity-inlet 2(4,6,8,10 m/s) |
| 出口平面 | pressure-outlet (0 Pa) |
| 壁面 | Stationary Wall (no slip) |
), ArticleFig(id=1322594754974561107, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=表1, caption=
流体边界条件及参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类别 | 参数设置 |
|---|
| 时间 | 稳态 |
| 材料 | 空气 |
| 模型 | DPM |
| 湍流模型 | Standard k-epsilon |
| 诱导气流产生面 | velocity-inlet 1(0.7 m/s) |
| 射流出口 | velocity-inlet 2(4,6,8,10 m/s) |
| 出口平面 | pressure-outlet (0 Pa) |
| 壁面 | Stationary Wall (no slip) |
), ArticleFig(id=1322594755041669972, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Table 2, caption=
Boundary conditions setting
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 参数 |
|---|
| 时间 | 稳态 |
| 材料 | 空气 |
| 速度入口 | velocity-inlet(0.2,0.4,0.6,0.8,1.0 m/s) |
| 速度出口 | velocity-outlet(待定) |
| 出口平面 | 0 Pa |
), ArticleFig(id=1322594755129750357, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=表2, caption=
边界条件设置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 参数 |
|---|
| 时间 | 稳态 |
| 材料 | 空气 |
| 速度入口 | velocity-inlet(0.2,0.4,0.6,0.8,1.0 m/s) |
| 速度出口 | velocity-outlet(待定) |
| 出口平面 | 0 Pa |
), ArticleFig(id=1322594755201053526, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=EN, label=Table 3, caption=
Boundary condition and parameters setting
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 参数 |
|---|
| 时间 | 稳态 |
| 材料 | 空气 |
| 仿真速度入口 | velocity-inlet(8 m/s) |
| 气幕射流出口 | By UDF |
| 出口平面 | 0 Pa |
), ArticleFig(id=1322594755259773783, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322594728860824280, language=CN, label=表3, caption=
边界条件及参数设置
, figureFileSmall=null, figureFileBig=null, tableContent=
| 类型 | 参数 |
|---|
| 时间 | 稳态 |
| 材料 | 空气 |
| 仿真速度入口 | velocity-inlet(8 m/s) |
| 气幕射流出口 | By UDF |
| 出口平面 | 0 Pa |
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