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1、华北电力大学工程硕士学位论文摘要摘要火电厂送吸风机５０％以上存在运行效率低的问题本论文从风机选型结构改进调速改造安装工艺几方面研究了提高风机运行效率的方法编制出风机选型设计软件使风机选型快速准确简便化研究了风机调速改造以马头电厂５炉吸风机改型并加装液力偶合器为例进行选型计算结构设计从叶轮集流器装工艺 口环间隙质量标准防磨等方面改进风机结构编制了详细的目前国内先进的风机安 关键词风机选型软件调速改造结构改进安装工艺ABSTRACT50%forcedandinducedfansint
2、hepowerplanthasloweroperationalefficiencyproblem.Inthispaperthemethodtoimprovethefansoperationalefficiencyisresearchedbychoosingfanstype,mendingfansstructure,speedregulation,installationtechnology.Workingoutchoosinganddesigningfansprogram,sowecanrapidlyaccuratelya
3、ndsimplychoosethefanstype.Fansspeedregulationalterationisresearched.Matoupowerplant5boilerinducedfansremodelingandinstallinghydrodynamiccoupling,forexample.Proceedchoosingfanstypecomputeanddesignfansstructure,mendingfansstructurethroughbladewheel,currentcollector,g
4、ap,avoidingfrictionandsoon.Compileddetailedinstallationtechnologyandqualitystandardinourcountry.DengJin-feng(powerengineering)Directedbyprof.FanQuan-guiKEYWORDS:fans,fanstypechoosingprogram,speedregulation,mendingfansstructure,installationtechnology1华北电力大学工程硕士学位论文摘
5、要摘要火电厂送吸风机５０％以上存在运行效率低的问题本论文从风机选型结构改进调速改造安装工艺几方面研究了提高风机运行效率的方法编制出风机选型设计软件使风机选型快速准确简便化研究了风机调速改造以马头电厂５炉吸风机改型并加装液力偶合器为例进行选型计算结构设计从叶轮集流器装工艺 口环间隙质量标准防磨等方面改进风机结构编制了详细的目前国内先进的风机安 关键词风机选型软件调速改造结构改进安装工艺ABSTRACT50%forcedandinducedfansinthepowerplanthas
6、loweroperationalefficiencyproblem.Inthispaperthemethodtoimprovethefansoperationalefficiencyisresearchedbychoosingfanstype,mendingfansstructure,speedregulation,installationtechnology.Workingoutchoosinganddesigningfansprogram,sowecanrapidlyaccuratelyandsimplychooset
7、hefanstype.Fansspeedregulationalterationisresearched.Matoupowerplant5boilerinducedfansremodelingandinstallinghydrodynamiccoupling,forexample.Proceedchoosingfanstypecomputeanddesignfansstructure,mendingfansstructurethroughbladewheel,currentcollector,gap,avoidingfric
8、tionandsoon.Compileddetailedinstallationtechnologyandqualitystandardinourcountry.DengJin-feng(powerengineering)Directedbyprof.FanQuan-guiKEYWORDS
