350ka铝电解生产操作规程（operation regulation for 350ka aluminium electrolysis production）

350KA铝电解生产操作规程（OPERATIONREGULATIONFOR350KAALUMINIUMELECTROLYSISPRODUCTION）350KAALUMINUMELECTROLYTICPRODUCTIONOPERATIONPROCEDURES,DEFAULTCLASSIFICATION,20090616,191739,READ179COMMENTS,0BIG,SMALL,MEDIUMANDSMALL11JOBDESCRIPTION111ABOVEJUNIORHIGHSCHOOLEDUCATION112FAMILIARWITHTHEPRODUCTIONPROCESSOFALUMINUMELECTROLYSIS,MASTERTHEOPERATIONRULESOFALUMINUMELECTROLYTICPRODUCTIONPROCESS12,JOBDESCRIPTION121OBEYTHEARRANGEMENTOFWORKSHOPANDWORKAREALEADER,BERESPONSIBLEFORPOLECHANGE,EXTINGUISHINGEFFECT,CARBONSLAGREMOVALANDDAILYMEASUREMENTWORK122ISRESPONSIBLEFORROUTINEMAINTENANCEANDEQUIPMENTMANAGEMENTOFTHESPECIALSLOT123ISRESPONSIBLEFORSITESANITATIONATSELECTEDTANKS124ISRESPONSIBLEFORFILLINGOUTTHEORIGINALRECORDSCAREFULLY125COMPLETETEMPORARYWORKARRANGEDBYLEADER126ISRESPONSIBLEFORCHECKINGTHERUNNINGSTATUSOFTHEDUTYSLOT,TAKINGPARTINTHEMEETINGBEFORECLASS,ANDSERIOUSLYHANDINGOVERTHESHIFT2POSTWORKPROGRAM21WEARGOODWORKCLOTHES,HATS,MASKS,GLOVES,SHOESANDOTHERLABORPROTECTIONSUPPLIES,15POINTSAHEADOFTIMETOTHEPOST22POLECHANGING221TIME15CHARGEASSISTOPERATIONLONGCRANEWORKERS222READYBEFOREFURNACERAKE,HOOK,BRUSH,BROOM,SHOVEL,90DEGREESOFDETERMINATIONOFROD,RULER,CHALK,WRENCHANDOTHERTOOLS223READYANODEGROUP,SHELLBLOCK224BYCHANGINGTHEPOLECYCLETABLE,WILLFINDTHEGROOVENUMBER,POLENUMBERTOBEREPLACED225OPENSTHE6SLOTCOVERATTHECHANGEPOLEWITHTHEALUMINUMSHELLINSULATIONBLOCKOFHARROWMATERIALANDVERYCLEANONTHEEDGEOFBACHU,FANSHAPE,CRANECOMMANDSHELLBEATINGAPPARATUSINTHEFACEFROMTHEANODE10CMWITHPOSITIVEPOLEANDABOUTTHREEADJACENTPOLESTIED,ANDTHECHANGEOFTHEANODEANDTHEADJACENTRESIDUEBETWEENRAPHETHROUGHTHECRUST226PRESSTHEPOLECHANGEKEYONTHESLOTCONTROLMACHINETOENABLETHESLOTCONTROLMACHINETOENABLETHEPOLECHANGECONTROLPROGRAMTHE227COMMANDCRANEMANANODELIFTINGDEVICECLAMPSTHEANODEGUIDEROD,ANODEWRENCHLOOSENCLAMP,SLOWLYPULLEDOUTSCRAPPULLOUTTHE228CRANESCRAP,ALUMINUMANODEDECREASEDINTHEEND,ACCORDINGTOTHETROLLEYCRANEWORKERSWERECROSSEDBYTHEANODELOCATION,SPECIALCALIBRATIONWITHPOCKETSCALE,INORDERTOCONFIRMTHENEWPOSITIONINGLINE,ANDCHECKTHESCRAPWITHOUTEXCEPTION,SUCHASCLAW,CRACK,OFFANGLE,LONGBAGETC229WITH90CTESTBARWITHOUTWARDINSERTEDTHREE,ONEINTHEVERYMIDDLE,TWOOTHERSAREONBOTHSIDESOFTHEANODETOUCHBOTTOM,CHECKTHEBOTTOMSEDIMENT,FACESVERYWORKWITHOUTCRACKS,ANDWITH90DEGREEQIANZAIALUMINUMLIQUIDLEVELMEASUREMENT,ELECTROLYTELEVEL,TWOLEVEL,BOTTOM,PROISRECORDEDINTHEWORKINGGROUPONRECORD2210SPECIALCASE,THECRANEGRABTHESURFACEOFTHESLOTINTHEFISHOUT,PLACEDONTHETRAYWITHAHOOK,SHOVEL,RAKETOOLSSUCHASFISHINGNETGROOVEFISTSIZEDBLOCKS,ANDUSEOFCARBONSLAGSALVAGEFLOATINGSHOVELESPECIALLYTHECORNERSOFTHESTARTINGSLOTTHENEW2211COMMANDCRANELINKEDTOTHEELECTROLYTICCELL,THEANODETODETERMINETHEINSTALLATIONPOSITIONISTHEPOSITIONINGLINEGUIDERODALIGNMENTHORIZONTALBUS,THEANODERODANDHOOKCONTACTGUIDERODMUSTBEVERTICAL,TIGHTENTHECLAMPCOMMANDFORTHETHREEDAY,TIGHTENINGACTION,ENSURETHEANODERODCLOSETOTHELEVELOFTHEBUSDONTFALLTHEGUIDERODANDTHEBUSBARAREFULLYCONTACTED,WITHOUTGAPS,ANDTHELIFTINGDEVICEISOPENED,ANDTHELIFTINGDEVICEANDTHEANODESPANNERARERETRACTED2212NEEDTOTIETHEEDGEOFTHECRANEWITHTHREEBLOCKSOFTHECOMMANDAREA,WHICHISAROUNDANDADJACENTPOLEPOLE,CRANEHEADSURFACECRACKDOWN,WORKERSWITHSHOVELSTOTIEATTHEELECTROLYTICSHELLSURFACEBLOCK,ANDTIEDTHREETIMES,BUTALSOVERYSMALLCORNERBARMAKESURETHECORNERPOLEISOLDANDTHEOLDSHELLISRAISED2213CRANEFINISHEDTIEEDGE,WITHASPADESHOVELDIAMETERISABOUT10CMSIZEOFTHEBLOCKTOTHEPOLESINACONCAVEENDWALLBUILDING,ABOUT2530CM2214GROUPOFFRAGMENTSBLOCKINGGAP,BETWEENTHEANODERAPHE,24HPUSHMATERIALTOFILLTHEGAPFORCRUSTANDMEDIALRAPHETHE2215COMMANDDOWNTUBEONTHENEWCRANEANDBETWEEN4WEEKPLUSINSULATIONMATERIAL,PIPEDISTANCEGROOVEALONGTHEBOARDUNDER15CMMATERIAL,INSULATIONMATERIALCANNOTDIRECTLYENTERTHENUCLEUS,THETHICKNESSOF1618CM,THETOPOFTHEBASICLEVELOFANODECLAWWINDOWJUST2216CLEANING,OPERATINGSURFACEAND35FOURDAYSAFTERTHEPLASTICWITHOUTBURIEDSTEELBEAMPHENOMENON,COVERTHEGROOVECOVER23EXTINCTIONANODEEFFECT231TIMEREQUIREMENTS35RESPONSIBLEPERSONELECTROLYSISWORKERSWHENTHE232EFFECTOCCURS,THEBUZZEROFTHESLOTALARMS,ANDTHESLOTISSETWITHTHEREDBULBON233CONFIRMSTHESLOTNUMBEROFTHEEFFECTACCORDINGTOTHEREDLIGHTSETONTHESLOTTHE234ELECTROLYTICAGENTTAKESANEFFECTBARTOTHEALUMINUMENDOFTHETANK235ANDTHENOBSERVETHEEFFECTVOLTAGEANDTHEEFFECTSTATEBEFORETHEGROOVECONTROLTANKOFTHEEFFECTTANKIFTHEEFFECTVOLTAGEISHIGHERTHAN40V,THEVOLTAGEISDECREASEDATTHEPROPERPOINTANDTHEWORKOFTHESHELLBLANKINGDEVICEISOBSERVED236RETURNSTOTHEALUMINUMEND,OPENSTHEENDCOVER,OPERATESTHEALUMINUMSTRIKINGHEADANDOPENSTHEALUMINUMHOLEWAITFORTHE237EFFECTAFTERPROCESSING,IN2MINUTES,THEEFFECTOFSTICKTOTHEBOTTOMOFTHEANODEBELOWINDICATESTHATTHELIGHTISOUT,THEEFFECTISEXTINGUISHED,ANDTHEEFFECTRODISPULLEDOUT238RETURNSTOTHESLOTCONTROLBOXTOOBSERVETHETANKVOLTAGEAFTERTHEEFFECTISEXTINGUISHEDIFTHEVOLTAGEISBELOW4V,THEANODEISLIFTEDMANUALLYANDTHEVOLTAGEISRAISEDTOTHESETVOLTAGE239RETURNTOTHEALUMINUMEND,SALVAGETHECARBONRESIDUE,CLEANTHEGROUNDBEFORETHEFURNACE,ANDCOVERTHETANKCOVER,MAKEARECORD24SIDEEDGES241TIME30PERSONINCHARGELONGASSISTCRANEWORKAREA242PREPAREALUMINUMRAKE,SHOVEL,BROOM,SHELLBLOCK243CONFIRMSLOTNUMBERANDBIGSURFACE244WILLPREPARETHESHELL,SURFACEBLOCKANDOTHERMIXTURETOPUSHDOWNTHEGROOVENEXTTO,ANDPOURONTHEGROUNDBACKUP245OPENTHESIDEGROOVECOVERTOBEINSERTED,PRESSTHEBUTTONONTHEEDGEOFTHESLOTCONTROLBOX,CONTACTTHECOMPUTERANDSTARTTHEEDGECONTROLPROGRAMWHENTHE246CRANEFALLSDOWN,THESTRIKINGHEADISAWAYFROMTHEANODE20CM,ANDTHESIDEOFTHESIDEOFTHE10CMISTRANSVERSETOTHEBIGSURFACECRUSTS,THEELECTROLYTICSHOVELUSESASHOVELTOPULLTHESHELLFACEBLOCKSTOTHEHEADOFTHEOVERHEADCRANE,ANDTHESIDEEDGEISINSERTEDTOMAKETHEHEARTHSOLIDAFTERFINISHINGTHE247,THESHOVELISUSEDTOCLEARTHEFURNACESURFACEANDPUSHTHEMATERIALATTHEEDGEOFTHESLOTTOWARDTHEEDGEOFTHEANODEFURNACESURFACETOSHUNTHENATURALSLOPEOFANODICFORMATION4560DEGREESALONGTHEMOUTH,FROMTHESIDETOCLOSEOUTA10CMCOOLINGBELT,SMOOTHSURFACEWITHOUTTHEACCUMULATEDMATERIALREQUIREMENTS248CLEANTHEFLOORANDCLEANTHEBLOCKALONGTHEPLATEANDONTHESTYLEBOARDTHEFURNACECOVERISTIGHTLYCOVERED2492410KEEPSTHETOOLSINPLACEANDRECORDS5DAILYMEASUREMENTS251PREPAREMEASURINGROD,LEVELINSTRUMENT,SCALE,DIGITALTHERMOMETERANDELECTRICTHERMOCOUPLEWIRE252OUTOFTHEALUMINUMTANK,AMEASUREMENTOFLIQUIDALUMINUMLEVELANDELECTROLYTELEVELBEFOREALUMINUMPRODUCTION2521OPENSTHEGROOVECOVEROFTHEPROCESSINGPOINT,OPERATESTHEALUMINUMSTRIKINGHEAD,OPENSTHESHELLSURFACEOFTHEALUMINUMHOLE,INSERTSTHEMEASURINGBARFROMTHEHOLEATTHEBOTTOMOFTHEFURNACE,ANDADJUSTSTHEMEASURINGRODINTOAHORIZONTALSTATEWITHALEVELINSTRUMENT2522STILLTOOKABOUT5SECONDS,THENDETERMINATIONOFRODS,FLOORISPLACED,USINGTHELEVELWHICHISTHESTATELEVEL,ACCORDINGTOTHELEVELOFWATERANDELECTROLYTEALUMINUMLINE,VERTICALRULERMEASUREWATERHEIGHTANDHEIGHTOFALUMINUMELECTROLYTE2523RECORDSTHERECORDSTAKENCOVERTHESLOTWELL253TEMPERATUREMEASUREMENTSHALLBECARRIEDOUTATANYTIMEINACCORDANCEWITHPRODUCTIONCONDITIONS2531OPENTHEENDCOVEROFTHEMEASURINGTANK,OPERATETHEALUMINUMSTRIKINGHEADANDOPENTHESHELLSURFACEOFTHEALUMINUMHOLE2532CONNECTTHEDIGITALTHERMOMETERANDINSERTTHEELECTRICWIREINTOTHEELECTROLYTETHEDEPTHISABOUT100MMITSHOULDNOTBEINSERTEDINTOTHEALUMINUMWATERWHENTHETEMPERATUREISSTABLE,THEGROOVETEMPERATUREISRECORDED2533REMOVETHEHOTWIREANDCOVERTHEENDCAP26ROUTINEMAINTENANCEANDMAINTENANCEPROGRAMOFEQUIPMENTMAINTENANCEOF261TROUGHCONTROLMACHINE2611OPERATION,GENTLYTOUCHTHEMETALPOINTWITHYOURHAND,DONOTTOUCHATTHESAMETIME,DONTPUTHOTTHINGSAROUNDTHESLOTMACHINE,SOASTOAVOIDTHEAGINGOFTHEDEVICEORWIRING2612DONOTOPENTHESLOTCONTROLMACHINEANDTOUCHTHEELECTRONICCOMPONENTSINORDERTOAVOIDELECTRICSHOCKORDAMAGETOTHESLOTCONTROLMACHINEAFTERTHEOPERATIONOF2613,THEDOORSHOULDBECLOSEDTOPREVENTDUSTFROMENTERINGTHEBOX2614REGULARCLEANINGOFTANKCLEANING,INCLUDINGUPPERANDLOWERCASES,FUNCTIONBUTTONSANDSWEEPINGOFOUTSIDEDUSTUSEANDMAINTENANCEOF262ELECTROLYTICCELL2621OPERATORSSHOULDBEMETICULOUSOPERATION,CAREFULMAINTENANCE,TOPREVENTDISEASETROUGHWHENTHE2622OPERATORWANTSTOCHANGETHEPOLE,ONLY3SLOTSCANBEOPENEDATONETIMEEACHSLOTCANONLYOPEN6BLOCKSWHENTHEOPERATIONISFINISHED,COVERTHETANKCOVERIMMEDIATELYINTHEPROCESSOFREPLACINGANODEWITH2623,THEELECTROLYTICOPERATORSHALLOPERATECAREFULLYTOPREVENTDUSTFROMFLYINGANDSURROUNDINGTHEINSULATIONPIECEOFTHESHORTCIRCUITAFTERPUTTINGOUTTHEEFFECT,THE2624ELECTROLYTICOPERATORSHALLPLACETHEWASTESTICKSATTHEDESIGNATEDPLACEWHENADDINGTHEFLUORIDESALTTOTHE2625ELECTROLYSISOPERATOR,ITSHOULDBEACCURATELYPUTINTOTHECHARGINGPOINTANDBECOVEREDWITHALUMINATOPREVENTDUSTFROMFLYING2626MULTIFUNCTIONCRANEINTHEALUMINUMOPERATION,SERIOUSLYOPERATION,TOPREVENTALUMINUMLIQUIDSPILLED2627DAYSONEACHENDCUTALUMINUMELECTROLYTICTANKCLEANALUMINUMPLATFORM,IMMEDIATELYCOVERTHESLOTCOVER2628ELECTROLYTICOPERATORSSHOULDSTRENGTHENINSPECTIONSANDINSPECTIONSTOPREVENTWINDANDAIRLEAKSCHECKTHE2629SHIFTOPERATIONDEVICEBUSHOISTRUNNINGNORMALLY,NOOILLEAKAGESHELLUNDERTHECYLINDER,ACCURATEACTIONINPLACE,NOLEAKAGEPHENOMENON,POWERFULBLOWPNEUMATICSYSTEMANDPIPELINEMANUALVALVE,NOLEAKAGEOFPIPELINE,NORMALPRESSURETROUBLEFREEDISPLAYOFTANKCONTROLBOXMAINTENANCEOF26210ELECTROLYTICCELLCLEANDUSTONTHEUPPERPARTONCEAMONTHDUSTCLEANINGOFGEARBOX,REVERSINGGEAR,ROTATINGTURBINEROD,SCREWANDCRANEEQUIPMENTEVERYMONTHBLOWINGDUSTEVERYMONTHONTHESHELLCYLINDER,THEDOWNCYLINDER,ANDTHEMATERIALBOXHANDOVER,CHECKTHEMANUALVALVEOFTHEELECTROLYTICTANKWITHOUTDAMAGE,FLEXIBLEMOVEMENT,COMPLETEGROOVECOVER,NODEFECTSATHEUPPERAGENCIESREQUIRENODEBRISCLEANBPARTSNEATLYPLACEDONTOPOFTHESLOTCOVERPLATEWITHOUTSUNDRIESCSHIFTRECORDSANDDAILYINSPECTIONRECORDSMUSTFILLOUTNORMATIVEANDCLEARDLACKOFCHANGEWITHOUTBOLTS,SMALLEINTHEUPPERBODYTOPROTECTTHEFOUNDPROBLEMSINTHEPROCESS,CONTACTTHEMAINTENANCEPERSONNELFORMAINTENANCE,ANDMAKEARECORDDAILYINSPECTIONBUSLIFTINGMECHANISMFREDUCERCHECKFORLEAKSACHECKALLSCREWSFASTENINGISCOMPLETEBCHECKTHEDRIVERODWITHOUTDEFORMATIONCA,BTWOBUSISATTHESAMEHEIGHTSHELLFEEDINGMECHANISMACHECKALLBOLTSFASTENINGISCOMPLETEBCHECKCONTAINERFEEDERHASNOLEAKAGE,THEACTIONISNORMALCCHECKSHELLCYLINDERISSTRONG,HITTHEHEADWEARDCHECKBOXMATERIALTHESEALWITHOUTLEAKAGE3EXCEPTIONHANDLINGPROGRAM31STOPTANK311OPERATORHEAD,MONITOR,TEAMLEADER,OPERATOR,ELECTRICALMAINTENANCEPERSONNEL,PRODUCTIONSCHEDULING,SAFETYOFFICERANDWORKSHOPPRINCIPALTHEUSEOF312TOOLSCRANE,LADLE,PNEUMATICWRENCH,SPANNER,RAKE,SHOVEL,LEAKAGEOFALUMINUMSHELL,STONECARBONSLAGBOX,SPOON,EVENTHEFASTENINGSCREWANDNUT,MULTIMETER,MEASURINGRODS,FLASHLIGHT313PLANTOSTOPTHEOPERATIONOFTHESLOT3131DETERMINESTHENUMBEROFSLOTSTOSTOP3132USESTHEHIGHRESIDUEEXCHANGEANODEFROM10DAYSBEFORETHESTOPTWODAYSBEFORETHE3133STOPPED,THEANODEEXCHANGEOPERATIONWASSTOPPED3134INADVANCETWOCONTACTWITHPURIFICATIONFEED,STOPFEEDINGTHEGROOVE3135STOPSTHETROUGHTHATDAYTHEZEROCLASS,IFTHEANODEEFFECTOCCURSMORE,USESTHEOVERHEADTRAVELINGCRANETOHITTHEHEAD,THETWOSMALLFACECRUSTSINTOTHETROUGHBEFORE3136STOPTHETANK,INFORMTHESAMPLINGWORKERTOTAKETHEALUMINUMWATERSAMPLE3137CHECKTHEADJUSTINGRULERINTHEREQUIREDRANGEANDDETERMINEWHETHERTHEBUSISLIFTEDTHEDAYBEFORE3138CONTACTTHECONTROLANDCONTROLROOM,STOPTHEFURNACENUMBERANDTIMETHEEXHAUSTVOLUMEOF3139SWITCHINGVALVE,OPENBIGAIRVOLUME31310USEDELECTROLYTETODETERMINEELECTROLYTEHEIGHTANDELECTROLYTEASPIRATION1HOURSBEFORESTOPPINGINTHEPROCESSOFDRAWINGOUTTHEELECTROLYTE,THEANODESHOULDBEPUMPEDANDLOWERED,SOTHATTHESPEEDOFTHEANODEFALLINGDOWNANDTHESPEEDOFTHEEXTRACTIONWILLCOINCIDE,ANDTHEANODEWILLCONTACTTHEALUMINUMLIQUIDAFTERTAKINGOUTTHEELECTROLYTE,SITINTHESLOTANDWAITFORTHESTOPTHE31311DISPATCHDEPARTMENTWILLCONTACTTHEPOWERSUPPLYDEPARTMENTTODETERMINETHATAFTERTHEPOWERFAILURE,THEFIELDPERSONNELWILLIMMEDIATELYUSETHEWRENCHTOLOOSENTHEINSULATEDBOLTSOFTHESHORTCIRCUIT,REMOVEINSULATIONPLATE31312BLOWTHEDUSTBETWEENTHESHORTCIRCUITPIECEANDTHECOLUMNBUSWITHTHEWINDPIPESHORTCIRCUITSURFACEDAMAGE,TAKEREMEDIALMEASURES,ANDREPORTTOTHELEADERSHIPANDKEEPAGOODRECORD31313IMMEDIATELYINSERTEDTHEUPPERSECTION,THELOWERSECTIONOFTHEFOURBOLTS,SOTHATTHESHORTCIRCUITANDTHECOLUMNBUSSHORTCIRCUIT31314CONTACTSWITHTHEPOWERSUPPLYDEPARTMENTTOSWITCHON31315CONTACTWITHTHEMETERCONTROLROOMANDCUTOFFTHECONTROLOFTHETANK31316CUTOFFTHEGASTANK,TURNOFFTHEVALVETOOPENWHENFEEDING,STOPFEEDINGAFTERTHE31317CURRENTISRAISED,THEPRESSUREDROPOFEACHINTERSECTIONISMEASUREDBYAMULTIMETERWHENTHEVOLTAGEDROPISGREATERTHAN20MV,THEPROCESSISCHECKEDAGAIN31318LIFTTHEANODEOFFTHEELECTROLYTESURFACE31319CLOSEEACHVALVEONTHESLOTWHEN31320FOURWASSMALL,THEELECTROLYTECRUSTSONTHEALUMINUMENDOFTHEALUMINIUMWATERSURFACEWEREREMOVED31321SUCTIONTOWERCRANEWILLLIFTTHEBAG,SUCTIONTUBEINTOTHEFURNACE,SUCKOUTTHEALUMINUMWATER,ASFARASPOSSIBLE31322OPENS,NEEDSTHEARTIFICIALLADLEALUMINUMPLACETHESTOVECOVER,USESTHEALUMINUMRAKETOPULLASIDETHEFLOATINGMATERIAL,THECOMMANDCRANETAKESOUTTHEARTIFICIALLADLEALUMINUMPLACETHEANODE31323PULLOUTTHECRUSTSANDEXPOSETHEALUMINUMLIQUIDPLACETHELADLEANDCARBONSLAGBOXONTHELARGESURFACEOFTHESTOPPINGTANK31324ANDTHENTHEALUMINUMENDANDTHEBOTTOMOFTHESINK,WITHASPOONSCOOPALUMINUMINTOTHECARBONSLAGBOX,ASFARASPOSSIBLELADLEOUTRESIDUALALUMINUM31325SWITCHEXHAUSTVALVE,GOODFURNACECOVER31326PUTTHESTOPTOOLS,INSULATIONBOARDSANDSOONINTHEDESIGNATEDPLACECLEANINGTHESCENE31327RECORDSTHESLOTNUMBER,DATE,TIME,ELECTROLYTEEXTRACTION,ALUMINUMWATERABSORPTIONANDTHEAMOUNTOFLADLEALUMINUM31328RECORDPRESSUREDROPANDPRESSUREDROPATEACHJUNCTION314TEMPORARYSTOPSLOTOPERATIONSTEPSWHENSEVEREBREAKAGE,LEAKAGEOFFURNACEANDOTHERSPECIALCONDITIONSOCCURIN3141,TEMPORARYSTOPWILLBECARRIEDOUTBYDISPATCHINGINSTRUCTIONWHEN3142HAPPENSTODRAINTHEFURNACE,FIRSTOFALL,THEVOLTAGEISMAINTAINEDBYONEPERSON,THEVOLTAGEISKEPTWITHIN50V,ANDTHEANODEISPROPERLYLOWEREDSOTHATTHEANODEDOESNOTESCAPEFROMTHEELECTROLYTEORTHEALUMINUMLIQUID,CAUSINGASHORTCIRCUIT3143OTHERPERSONNELIMMEDIATELYREPORTTHEDISPATCHROOMANDTHERELEVANTLEADERS,ANDACCORDINGTOTHEDEGREEOFLEAKAGE,DOAGOODJOBOFPOWERFAILUREPREPARATION3144FIELDSTAFFTOTAKECORRESPONDINGMEASURES,THELINEANDCABLETHE3145OPERATORANDTHECRANEWORKERCOOPERATETOSTOPTHEFIREATTHELEAKINGFURNACEANDPREPARETHEEQUIPMENTFORSTOPPINGTHETANK3146CONFIRMEDTHATTHERESCUEWASINVALIDANDTHETEMPORARYSTOPWASCARRIEDOUT3147TEMPORARYSTOPSLOT,ACCORDINGTOTHE3131131326STEPS32INSPECTION,DETERMINATIONANDMAINTENANCEOFELECTROLYTICTANKBREAKAGEINSPECTIONOFBREAKAGEOF321ELECTROLYTICCELLACCORDINGTOTHE3211ANALYSISREPORT,THECONTENTOFSILICONINALUMINIUMIRON,CONTINUOUSLYINCREASED,IRONCONTENTMORETHAN05,SILICONCONTENTMORETHAN017SLOTSTHENORMALPRODUCTIONOFSLOTIRONCONTENTINMORETHANONEMONTHHOVERINGBETWEEN030050CELLTODETECT,ANALYZEANDJUDGE3212OFUNEXPLAINEDIRONCONTENTINCREASEWITHIN48HOURSMORETHANMORETHAN010OFTHEELECTROLYTICCELL,TOCHECKTHEWORKINGCONDITIONOFTHEANODE,THERECENTOBSERVATIONOFRESIDUALPOLEHEIGHT,VIEWTHEANODEEXCHANGERECORD,ORGANIZEMOCHAWORK,CHECKTHESITUATIONOFANODECLAW3213UNEXPLAINEDIRONCONTENTWASKEPTFORTHREEMONTHSIN020040,THEQUALITYOFRAWALUMINUMSUDDENLYGLIDESCONTINUOUSLY,TODETECTTHECATHODESTEELBARANDTHEBOTTOMPLATETEMPERATUREANDCATHODICCURRENTDISTRIBUTION,ANDQUICKLYIDENTIFYTHEREASONSFORJUDGMENTOFDAMAGEDPARTSTHEFOLLOWINGISTHETEMPERATUREREFERENCEVALUEOFEACHPARTTHETEMPERATUREOFCATHODESTEELRODINNORMALRANGE180280DEGC,WHENTHECATHODESTEELBARTEMPERATUREMORETHAN300DEGC,THETEMPERATUREISABNORMALWHENTHECATHODESTEELBARTEMPERATUREMORETHAN320DEGC,THETEMPERATUREISDANGEROUSTHESIDEPLATETEMPERATURENORMALRANGE180380DEGC,WHENTHESIDEPLATETEMPERATUREMORETHAN380DEGC,BELONGSTOABNORMALTEMPERATURETHESIDEPLATETEMPERATUREMORETHAN450DEGC,ISADANGEROUSTEMPERATURETHESTEELPLATEATTHEBOTTOMOFTHENORMALTEMPERATURERANGE5080DEGC,WHENTHEBOTTOMPLATETEMPERATUREISMORETHANOREQUALTO100DEGC,THETEMPERATUREISABNORMALWHENTHEBOTTOMPLATETEMPERATUREMORETHAN150DEGC,ISADANGEROUSTEMPERATURE3214ACCORDINGTOTHESIXPOINTDETECTIONONTHEBOTTOMOFANELECTROLYTICTANKCHANGEDETECTIONOFPOTBOTTOMVOLTAGEINSTABILITYFACTORS,FINDOUTTHECATHODEBIASORCATHODEVOLTAGEDROPDUETOHIGH3215DETECTSTHEELECTROLYTEHEIGHTANDTHEALUMINUMHORIZONTALHEIGHTDURINGTHEELECTROLYSISPERIOD,ANDDETECTSTHEHEARTHSHAPEACCORDINGTOTHECHANGEOFTHEELECTROLYTEANDTHELIQUIDALUMINUMHEIGHT3216ANALYSISOFIMPURITIESINRAWMATERIALSRECENTLYADDEDUPWARD,DETECTTHECATHODECURRENTDISTRIBUTION,MAXIMUMVOLTAGEDROPDETECTIONVALUEISGREATERTHAN8MVORLESSTHAN3MV,ACCORDINGTOTHECHANGEOFTHEPRESSUREDROPANDOTHERTESTDATAVALUES,THECOMPREHENSIVEJUDGMENTOFCATHODEDAMAGEDPARTSTHE3217ANODEEXCHANGETOUCHEDTHEBOTTOMOFTHEGROOVE,THEBOTTOMOFTHETANKTODODAMAGEPOSITIONANDEXTENTOFTHERECORDMARKDIAGRAM,ANDOBSERVETHESIDECARBONBLOCKBYELECTROLYTEANDALUMINUMLIQUIDEROSIONANDEROSIONDEGREEINTHEQUERYTHENEW3218SLOTBOOTPROCESS,SALVAGECARBONRESIDUE,FOUNDAFTERTHEFLOATINGLAYERCATHODECARBONBLOCK,SUCHASARTIFICIALLEGCARBONBODIES,SHOULDBERECORDEDALSOIDENTIFIEDDIAGRAMINNORMALPRODUCTION,PAYATTENTIONTOOBSERVEWHETHERTHEOUTERSHELLOFTHEELECTROLYTICTANKEXPANDSOUTWARDS,WHETHERTHEBOTTOMPLATEISPUSHEDDOWNWARDSORWHETHERTHECORNERISSPLIT3219APPEAREDCATHODECARBONBLOCKSTRIPPING,ELECTROLYTICTANKWITHTHICKNESSGREATERTHAN50MM32110HEATSINKWITHREDHOLEDETERMINATIONOFTHEBREAKAGEOF322ELECTROLYTICCELLS3221ACCORDINGTOTHEORIGINALALUMINUMANALYSISREPORT,CONTINUOUSSAMPLING5TIMES,IRONCONTENTOFMORETHAN1ANDCONTINUOUSRISE,CANDETERMINETHEGROOVETOSERIOUSDAMAGEEXCEPTNEWGROOVE3222WHENTHECARBONBLOCKATTHEBOTTOMOFTHECATHODEHASALARGEAREAOFIRREGULARBULGEUPTO15CM,ANDTHECATHODEPRESSUREDROPISGREATERTHAN50MV,THEBOTTOMOFTHECATHODECANBESERIOUSLYDAMAGED3223CELLSHELLSERIOUSDEFORMATION,CANBEDIRECTLYOBSERVEDALONGTHESIDEOFTHEPLATEAREGREATERTHAN15CMORGREATERTHAN10MMDUETOTHESHELLCRACKS,DEFORMATIONCAUSEDBYLININGUPLIFTOREXPANSION,THESHELLSIDEOFTHEPLATEWITHREDDENINGTEMPERATUREVALUEANDTHEOBSERVED,CANDETERMINETHECHANNELSWITHSERIOUSDAMAGEMAINTENANCEOFDAMAGED323ELECTROBATH3231WHENTHEELECTROLYZERDAMAGEDPARTSISDETERMINED,NAMELYTHEORGANIZATIONPERSONNELUSINGMAGNESIA,MAGNESIUMBRICKS,CALCIUMFLUORIDEANDALUMINUMFLUORIDEPRECIPITATIONBLOCKFILLANDPRECIPITATION,WINDCOOLING,ROLLINGEDGEMEASURESSUCHASARTIFICIALUSEDACCORDINGTODIFFERENTSITUATIONS,IFNECESSARY,CUTOFFTHELOADOVERTHEEARTHCATHODEBUSBAR,EACHANODEREPLACEMENTMOCHABOTTOM,TOUNDERSTANDANDGRASPTHESTATUSOFREPAIR3232COMBINESONEORMOREOFTHESEMATERIALSFROMATANKOFPRECIPITATIONORALUMINUMLIQUIDINTOALUMPUSUALLYRECTANGULARANDLARGERTHANADAMAGEDAREA,PREFABRICATEDANDUSEDFORCOOLING3233TAKESTHEALUMINUMWATERPATTERNTOCARRYONTHEANAL