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外文翻译填料函泄漏的原因分析及对策.doc

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外文翻译填料函泄漏的原因分析及对策.doc

ThepackingboxdivulgesreasonanalysisandcountermeasureabstractReasonthepackingboxdivulgeswhichthroughtheanalysispetrochemistryenterpriseeachkindofadjustmentvalvein,aswellastheadjustmentvalvedivulgestheharmwhichbringstotheenvironmentandtheproduction,proposedsomesolutioncountermeasures.GuanJianciAdjuststhevalveThepackingboxdivulgesSealCountermeasure1forewordadjustmentvalveisthepetroleumchemicalindustryrefinesoilintheinstallmenttheessentialpart,itsuseadjustmentvalvetypemany,quantitybig,inthechemicalproductionmediummanyiscorrosivenessstrong,virulentorisflammableexplosive,whenadjuststhevalvedivulges,notonlycancreatetheseriousrawmaterial,theenergyandtheproductwaste,moreoveralsohastheseriousinfluencetotheenvironment,evencausestheserioussecurityaccident..Therefore,wehavethenecessityalsotohavetotakeinthepetroleumchemicalindustryproductionprocesstoadjustthevalvetodivulgethequestion.Undercausesthereasononthepetroleumchemicalindustryinstallmentinwhichtheadjustmentvalvepackingboxdivulgesaswellaspreventeddivulgesthecountermeasure,themethodwiththeeliminationmakesthekeydiscussion.2adjustmentsvalvespackingboxdivulgesthereasonanalysisadjustmentvalvedivulgesdividesintotwokinds,namelyoutsidedivulgeswiththeinteriordivulges.Inthemajoritysituation,outsidedivulgestheconsequencewhichcreates,oftendivulgescomparedtotheinteriorseriously.Intheindustrialproduction,adjuststhevalveoutsidetoleaknotonlycreatestherawmaterialandtheenergywaste,butalsocandirectlypollutetheenvironment,evencausesthefire,thedetonation,ispoisonedandsoontheharmsafetysignificantaccident,thenationaleconomycreatestheheavylossfor.Outsidebutthepackingboxdivulgesalsobelongsleaks.ThepackingboxdivulgesreasonThepackingboxbythestuffingbox,thepadding,thepaddingpadaswellasthepaddingcontractstheorganizationandsoontobecomposed.Thestuffingboxsetsonthevalvebodyorthevalvecover,playsholdsthepaddingtherole.Thepaddingpadsetstothestuffingboxbase,playsthestrutpaddingrole.Thepaddingdividesthesoftnaturesealingcompoundandtakesshapethepaddingtwokinds.Takesshapethepaddingtaketheelasticmaterialqualityastherawmaterial,usesthemouldpressingtotakeshapeortheturningprocessingmakeseachkindofjoinercurtainunder,compares,takesshapethepaddingstructurecompact,sealingpropertygood,theserviceabilityisstronger.Themediumdivulgesinthesealingcompoundplace,thereasonbecomeslesscrowded,thesealingcompoundforthepaddingglandisnotstrict,thepaddingvarietyorthequalitydoesnotconformtotherequirement,thepaddinggetsolderorbythevalveleverattrition.3adjuststhelosswhichthevalvedivulgescreatesDivulgingcauseswhichbytheabovesituation,createstheeconomiclossandfurtherbecausethemediumcharacteristicdifferenthasdifferentlytotheenvironmentpollutiondegree.Ifisthegasmedium,thenveryeasilyproliferatesthedisseminationintheair,itspollutionradiuscanbebigger.Theliquidmediumcanthroughhavethepollutiontothegroundseepage,alsopossiblyortheexileexpelsfloodwatertheditchthroughtheopenditch,pollutestheriversandstreamslakeandotherenvironment.FormerSovietUnionsnuclearpowerstationbecauseadjuststhevalvethequestiontobreedtheunprecedenteddisaster,notonlyhascausedthesignificantpersonnelcasualty,createsdirectandtheindirecteconomiclossandtheenvironmentdestroyalsowithdifficultyestimates.Thestatisticaldataindicatedthat,intheproductionunitapproximately20adjustmentvalveexistencedivulgesthequestion,createsthedirecteconomiclossapproximatelycomposesthetotallosses50inthepetrifiedprofession,takeasetof5000kt/ascaleoftenthedecompressorastheexample,intheordinarycircumstanceshas5,000abouttheadjustmentvalve,divulgestheeconomiclossby20adjustmentvalvewhichcreatesandthepollutionwhichcreatestotheenvironmentindeedmaynotbelittle,iflookedfromtheentirepetrifiedprofession,thesituationwasmoreserious.4packingboxesdivulgethecountermeasurebecausetheadjustmentvalvepackingboxsealsdivulging,aswellasvalvebodyconnectionspotsealdivulging,iscreatesadjuststhekeywhichoutsidethevalveleakstobeat,thereforeneedsspeciallytotake.Thetraditionalsoftnaturepaddingseal,isdependsonthepaddingglandthethrust,causesitbetweenthevalveleverandthepaddingaswellasthepaddingandthestuffingboxsidewall,hasthecertainradialdirectioncontactstresstoachievetheseal.Therefore,theglandaxialforcemustbequitebig,thiscreatesbetweenthepaddingandthevalveleverrubsthetorquetoincrease,theattritionincreases,thesoftnaturesealingcompoundwearsquickly,thusmustfrequentlyscrewtightthepackingboltorthereplacementpadding,canguaranteethebettersealeffect.Usestheappropriatepaddingsealandthepaddingsealcombination,mayenhanceadjuststhereliabilitywhichthevalveuses,lengthenstheservicelife.Iftheflexiblegraphitelinkpaddingcombinationuse,onlyusestheflexiblegraphitelinkpaddingthesealeffecttobebetterthan.AtpresentindomesticusesthesoleflexiblegraphitelinkpaddingthesituationquitetobemanyButinoverseas,usestheflexiblegraphitelinkpaddingcombinationtheapplicationmethodtostartpopularly,andhasobtainedthegoodeffect.5concludingremarkInsummary,adjuststhevalveinthepetrificationindustrialproductiondivulgingisthenotallowtoneglectquestion,ittotheproductionefficiency,thesecurityaswellascanbringthesignificantinfluencetotheenvironment.Theeliminationadjustmentvalvedivulgesthekeyliesintheoptimizedadjustmentvalvestructurethedesign,adjuststhevalveaccordingtothedifferentcraftconditionreasonablechoicethematerial,enhancesadjuststhevalveinproductionprocessqualitycontrollevel,aswellasadjuststhevalveaccordingtothecraftoperatingsystemoptimizationtheshaping.Alongwiththescienceandtechnologyprogress,speciallythenewmaterialappearance,somenewstructuresadjustmentvalvesputintotheuse,theirperformancegood,thelifeislong,maysatisfyproductiontheneedtodevelop.Reference1WangXunjuValveusemaintenancehandbooksBeijingChinesepetrochemistrypublishinghouse,1,9992GermangingerThepetroleumchemicalindustryinstallmentprocesstubeinstallsdesignhandbooksecondSBeijingChinesepetrochemistrypublishinghouse,1,9983LuPeiwenThevalveselectsthehandbookSBeijingMechanicalindustrypublishinghouse,

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