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The southeast ore body of the Chambishi Copper Mine is a typical deep-level mine in central and southern Africa. As the mining scope continuously expands, the underground ventilation system of the mine faces problems such as long ventilation routes, high ventilation resistance, uneven airflow distribution, and local ventilation difficulties, which severely affect mine production safety and the working environment. Taking the deep-horizon multi-shaft ventilation system of the mine as the research object, and based on systematic investigation and parameter determination, the ventilation districts were rationally partitioned. Furthermore, targeted optimization schemes were formulated from the perspectives of the ventilation network, ventilation engineering, ventilation structures, and ventilation power. In the south mining district, the 696 m level was utilized as the main return airway; coordinated with automatic ventilation doors and short shaft engineering, this configuration ensured the fresh air supply to the ramp. Furthermore, efficient ventilation at the 900 m level was achieved via the 800-680 m dedicated return shaft operating in conjunction with variable-frequency fans. In the north mining district, ventilation structures were added to seal the air leakage at the 980 m level, and a newly excavated intake shaft from the north main ramp to the 1 000 m level resolved the difficulty of fresh air intake in deep levels. A three-dimensional simulation model was established using Ventsim software, and the error between its simulation results and the measured data was less than 10%. After engineering application, the distributed air volume at the 900 m level increases to 102.2 m³/s, the air leakage volume of the south ore body decreases by 57.89%, and the effective airflow rate improves by 19.51%. The air volume in the deep middle level is obviously improved, and the underground environment is significantly improved.

, authors=Yuantao Zhang¹, Kai Qin¹, Chengyou Zhao¹, Conglu Wang², Jintao Lu^{3, 4}, authorsList=Yuantao Zhang, Kai Qin, Chengyou Zhao, Conglu Wang, Jintao Lu, authorCompany=null, correspAuthors=Kai Qin, 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=1321894990725362151, articleId=1321894990322708965, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=谦比希铜矿深水平多风井通风系统优化及改造研究, columnId=1226462294582936453, journalTitle=矿业研究与开发, columnName=深部、深海矿产资源勘探与开发, runingTitle=null, highlight=null, articleAbstract=

谦比希铜矿东南矿体是中南部非洲典型的深井矿山。随着开采范围不断扩大，该矿井下通风系统面临风路长、阻力大、风量分配不均及局部通风困难等问题，严重影响了矿山生产安全与作业环境。以该矿深水平多风井通风系统为研究对象，基于系统调查与参数测定，合理划分通风分区，从通风网络、通风工程、通风构筑物及通风动力等方面，针对性制定优化方案。南采区将696 m水平作为总回风巷，搭配自动风门与短风井工程保障斜坡道新风供给，通过800~680 m专用回风井联合变频风机，实现900 m水平高效通风；北采区增设通风构筑物封堵980 m水平漏风，并新掘北主斜坡道至1 000 m水平的进风井，解决了深部水平进风难题。利用Ventsim软件搭建了三维仿真模型，其模拟解算结果与实测数据的误差小于10%。工程应用后，900 m水平的分风量增加至102.2 m³/s，东南矿体漏风量降低了57.89%，有效风量率提高了19.51%，深部中段风量明显提升，井下环境得到了显著改善。

, authors=张芫涛¹, 覃凯¹, 赵承佑¹, 王从陆², 陆锦涛^{3, 4}, authorsList=张芫涛, 覃凯, 赵承佑, 王从陆, 陆锦涛, authorCompany=null, correspAuthors=覃凯, authorNote=, correspAuthorsNote=, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=UZKp+RtGNwi1Qtsw6GbTPA==, magXml=uhEW9xPJ23H1wzS2O8Otuw==, pdfUrl=null, pdf=m/V0pmEH5cVPkesAUDePjA==, pdfFileSize=2641053, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=sToVHPdQWi0RfQ3OlrJTzg==, mapNumber=null, fund=null)}, authors=[Author(id=1321894991375479285, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321894990322708965, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=1440579878@qq.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1321894991467753975, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321894990322708965, authorId=1321894991375479285, language=EN, stringName=Yuantao Zhang, firstName=Yuantao, middleName=null, lastName=Zhang, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1.NFC Africa Mining PLC, Beijing 100089, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1321894991547445752, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1321894990322708965, authorId=1321894991375479285, language=CN, stringName=张芫涛, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=¹, address=^1．中色非洲矿业有限责任公司，北京　100089, bio={"content":"

张芫涛（1999—），男，湖南怀化人，硕士，助理工程师，主要从事深井矿山开采技术研究。E-mail:1440579878@qq.com

"}, bioImg=null, bioContent=

张芫涛（1999—），男，湖南怀化人，硕士，助理工程师，主要从事深井矿山开采技术研究。E-mail:1440579878@qq.com

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