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The protective shed at bottom floss hole of flue collector is one of the necessary safety technical measures in the construction of medium repair of converter. In this paper, such series of process as its functional orientation, design of structural style, modeling of wear-stress as well as analysis and checking calculation is discussed in detail. The purpose is to make its carrying capacity visual and quantitative as well as easy to be mastered for operators so as to create an example of standardized operations for the similar projects in future, which is of great significance for improving the operating efficiency of converter in medium repair and the level of safety protection.

, authors=Qing-kai Zhao, authorsList=Qing-kai Zhao, 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=1319265471602475197, articleId=1319265471170461883, tenantId=1146029695717560320, journalId=1185652524569653253, language=CN, title=260 t转炉施工主烟道下口保护棚设计, columnId=1319261447708848727, journalTitle=包钢科技, columnName=建筑与施工, runingTitle=null, highlight=null, articleAbstract=

主烟道下口保护棚是转炉中修施工必不可少的安全技术措施之一，文章从其功能定位、结构形式设计、受力形式建模、分析验算等一系列过程进行详细论述，目的是使其承载能力直观量化，便于操作者把握，为今后同类工程开创一个标准化作业范例，对提高转炉中修作业效率，提高安全防护水平具有重要意义。

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赵庆凯（1970-），男，辽宁省庄河县人，高级工程师，现从事机械设备检修工作。

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赵庆凯（1970-），男，辽宁省庄河县人，高级工程师，现从事机械设备检修工作。

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