Article(id=1312012725375558537, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1312012710787769114, 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=1749484800000, receivedDateStr=2025-06-10, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1790737809747, onlineDateStr=2026-09-30, pubDate=1766592000000, pubDateStr=2025-12-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790737809747, onlineIssueDateStr=2026-09-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790737809747, creator=13701087609, updateTime=1790737809747, updator=13701087609, issue=Issue{id=1312012710787769114, tenantId=1146029695717560320, journalId=1185652524569653253, year='2025', volume='51', issue='6', pageStart='1', pageEnd='98', issueExtLink='null', onlineDate='null', pubDate='1766592000000', pubDateStr='2025-12-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1790737806269, creator='13701087609', updateTime=1790737917382, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1312013176892387678, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1312012710787769114, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1312013176892387679, tenantId=1146029695717560320, journalId=1185652524569653253, issueId=1312012710787769114, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=31, endPage=33, ext={EN=ArticleExt(id=1312012725589468042, articleId=1312012725375558537, tenantId=1146029695717560320, journalId=1185652524569653253, language=EN, title=Transformation of Hydraulic System for Exhaust Gas Control Oil Cylinder of Exchange for 7 m Coke Oven, columnId=1187100781414069182, journalTitle=Science & Technology of Baotou Steel, columnName=Production Practices and Management, runingTitle=null, highlight=null, articleAbstract=

The exchange of 7 m coke oven is the heating equipment of coke oven. Its function is to heat blended coal through driving actuator by hydraulic system under the control of PLC (programmable logic controller） so that superior metallurgical coke is obtained. The heating with coke oven gas and mixed gas could be realized by actuator, the intelligent manipulation device. It is composed of three parts, gas system oil cylinder, mixed gas system oil cylinder and exhaust gas system oil cylinder. The function of exhaust gas system oil cylinder of exchange is opening the ventilation door and waste gate to discharge the exhaust gas generated during heating and combustion of 7 m coke oven. During the system operations, there is often the phenomenon of forward or reverse displacement of around 15 mm at the end of stroke for piston rod of exhaust gas oil cylinder, which causes the electrical tracking signal to be lost so as to form fault state and develop into accident of drop-dead halt. The one-way throttle valve of original control system is changed to EMDV-10-N-C2-0-24DL magnetic exchange valve after analysis so that fault points are eliminated and operating accuracy of equipment is recovered.

, authors=Yanjie Li, Xiaojun Wang, Yongsheng Bao, Yantao Zheng, Tiangang Li, authorsList=Yanjie Li, Xiaojun Wang, Yongsheng Bao, Yantao Zheng, Tiangang Li, authorCompany=null, correspAuthors=null, 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=1312012725866292107, articleId=1312012725375558537, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=7 m焦炉交换机废气控制油缸液压系统改造, columnId=1185882039552193444, journalTitle=包钢科技, columnName=生产实践与管理, runingTitle=null, highlight=null, articleAbstract=

7 m焦炉交换机属于焦炉的加热设备，其作用是在PLC的控制下，通过液压系统带动执行机构来完成对配合煤的加热，从而炼出优质的冶金焦炭。机构即能实现焦炉煤气加热，又能实现混合煤气加热，属于智能化操控设备。它由煤气系统、混合煤气系统和废气系统油缸三部分组成,其中交换机的废气系统油缸的作用是开启风门和废气砣，排放7 m焦炉加热燃烧时产生的废气。在系统运行时，废气油缸的活塞杆经常在行程末端产生正向或反向位移现象，移动量在15 mm左右，造成电气的跟踪信号丢失，形成了故障状态并发展为突然停机的事故。分析后将原控制系统的单项节流阀改为EMDV-10-N-C2-0-24DL型电磁换向阀，从而消除故障点，恢复设备运行精度。

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李延杰（1975-），男，内蒙古包头市人，工程师,现从事设备维护和检修工作。

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李延杰（1975-），男，内蒙古包头市人，工程师,现从事设备维护和检修工作。

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