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屏蔽罩来源:开云kaiyun登录网页 发布时间:2025-10-05 08:46:37
?? VD ???????????????( ?????????????? , ?? ??? 243000)? ? : ????? 120tVD ????????????? ( ??? ) ???? , ??????? , ?????? 15 ??? , ??????????? , ?????????? 。 ??????????????? 、 ????????? 、 ????????? , ??????????????? , ????????? , ???????????? 。??? :120tVD; ??? ; ????????? :TB752 ????? :A ???? :1001-196X(2014)03-0073-03AnalysisonfactorsaffectingVDsmallcoverslifeWANGlijun(TheMasteelHeavyMachineryManufactureCompanyofAnhui,Maanshan24300,China)Abstract:Normallysmallcoverof120tVDcanbeusedaboutmorethan100times,butthatinmasteelisjust15times,whichseriouslyaffectedcontinuityandraisedahighlycost.Inproduction,thesmallcoverlifeisimprovedgraduallybysmeltingprocessadjusting、methodsofArcontrollingchangingandperformanceofrefractorymaterialimproving,whichmeetstheprocessrequirementsandthecostiscutdowneffectively.Keywords:120tVD;smallcover;life????:2013-11-21;????:2014-02-26????:???(1978-),?,?????????????????。0??????????? ——— ????????????????????? 120tVD ???????? 450kg/h。 ?????? ,VD ???????????? 15 ??? , ?????????? VD ??????? 100 ??? , ????? , ?? 80 ??? , ? 15 ??? , ??????? 。 ???????????? , ?? ,????????????????? , ????????????? 15 ???? , ...