热风炉耐材施工安装指导说明书2(英文版)

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1、上接：文库中《热风炉耐材施工安装指导说明书1（英文版）.doc》3.4.2LayingofStoveBottomwithClayBrick1)Thebricklayingshallstartfromthecentertobothsidesbyscribingthelevellineasperthedesignelevationonthecrosscentralline.2)QualityInspection:levelinginstrumentFig.3.4-3SchematicDiagramforSequenceofClayBrickwork3.4.3PavingofFu

2、sedSand1)Thedrysandwithmaximumparticlediameterbelow5mmshallbepavedontheclaybricksaccordingtothedesignelevation.2)Thelargescrewrodbuiltaroundshallbecoveredwiththerainproofclothandboundtightlywithsteelwire.3)ThisworkhassomethingtodowithinstallationofstoveshellforSection1.Thestoveshellforthe1

3、stsectionbeinghoisted,therainproofclothshallberemoved.Followinginspectionofstoveshellelevationafterhoisting,thestoveshellforthe1stsectionshallbehoistedagaintoinspectwhetherthesurfaceoffusedsandhasthedroppit.Ifthereisthedroppits,theyshallbere-leveledwithfusedsand.Suchaninspectionshallberepe

4、ateduntiltheflatnessiscompetent.第16页共16页3.4.4PackingofWater-freeTampingAfterthestoveshellforthe3rdsectionisinstalled,theexplosiveshallbepackedwithtamping.Thetampingshallbepressedtopackthelowerpartofthestoveshell.Andtheredbrickshallbelaidclosetothestoveshelltoblockoffthewater-freetamping.Th

5、esurfaceofredbrickshallbeplasteredwitha20mm-thicklayerof1:2cementmortar.3.4.5PressureGrouting1)Followingtheweldingofstrengtheningringandbeamonthelowerpartofstoveshellandthefasteningofbolts,thepressuregroutingcanstartafterthestoveshellisinstalledtothe6thsection.Priortohoistingofthestovebott

6、omshell,thestubpipeshallbeweldedandembedded.Fig.3.4-4SchematicDiagramofGroutingStubPipe2)Theinjectionmixisthe425#ordinaryPortlandcementandthewater-cementratio0.4~0.5.3)Beforepressuregrouting,thegroutingholesshallbenumberedinturnaccordingtothearrangementdrawingofsuchholesandtheelevationchec

7、kpointmarked100mmfromthehole.Theelevationmeasuredshallbefilledintheformofinstallationaccuracy.4)Afterremovingtheplasticcoveronthestubpipe,clearthestubpipeandthebottomplatearoundofthefloatingstainanddirt,andtampthestubpipewithwoodstopperthatmustbepulledawaywhen