350ka铝电解生产操作规程（operation procedures of 350ka aluminum electrolysis）

350KA铝电解生产操作规程（OPERATIONPROCEDURESOF350KAALUMINUMELECTROLYSIS）350KAALUMINUMELECTROLYSISPRODUCTIONOPERATINGPROCEDURESDEFAULTCLASSIFICATION20090616191739READING179COMMENTS0FONTSIZEMEDIUMANDSMALL11POSITIONSANDNARRATIVE111HAVINGTHEABOVECULTURALLEVELOFJUNIORHIGHSCHOOL112FAMILIARWITHTHEPROCESSOFALUMINUMELECTROLYSISPRODUCTIONPROCESS,MASTERPROCESSOFALUMINUMELECTROLYSISPRODUCTIONPROCESS12JOBDESCRIPTION121FOLLOWTHEARRANGEMENTOFTHEWORKSHOPANDTHELEADERSHIPOFTHEWORKSHOP,RESPONSIBLEFORTHECOMPLETIONOFTHEPOLECHANGING,THEEXTINGUISHINGEFFECTANDTHEDAILYMEASURINGWORK122RESPONSIBLEFORTHEDAILYMAINTENANCEANDEQUIPMENTMANAGEMENTOFTHESPECIALSLOT123RESPONSIBLEFORTHEONSITEENVIRONMENTALHYGIENEOFTHESPECIALSLOT124RESPONSIBLEFORCAREFULLYCOMPLETINGTHEORIGINALRECORDS125TOCOMPLETETHETEMPORARYWORKOFTHELEADERSHIPARRANGEMENT126RESPONSIBLEFORCHECKINGTHEOPERATIONSTATUSOFTHERESPONSIBILITYSLOT,ATTENDINGTHEMEETINGONTIMEANDTAKINGTHESHIFTSERIOUSLY2POSTWORKPROGRAMARTICLE21WEARALLTHEWORKCLOTHES,HATS,MASKS,GLOVES,SHOESANDOTHERLABORPROTECTIONITEMS22POLECHANGING221TIMEREQUIREMENT15POINTSHEADHOMEWORKLONGASSISTANCEDAYTURNER222PREPARETHETOOLSSUCHASTHERAKE,HOOK,PALMBRUSH,SPADE,BROOM,90DEGREEMEASURINGSTICK,STRAIGHTER,CHALK,ANDWRENCH,ETC223PREPARETHEANODEANDSHELL224ISTOFINDTHESLOTNUMBERANDTHEPOLENUMBERTHATWILLBEREPLACEDBYTHEPERIODICTABLE225INTHECHANGEOFTHEEXTREME,OPEN6SLOTCOVERSWITHALUMINUMRAKETOCLEANINTHEINSULATIONMATERIALSURFACEANDEDGECANBEPULLEDOUTOFSHELL,ISINTHESHAPEOFTHEFANCOMMANDCROWNCRUSTDEVICEINTHEBEDDINGFACEOFANODEABOUT10CMINFIRMISPOLECHANGINGANDITSADJACENTTHREEPIECESOFBEDDINGFACE,ANDPUTINTHEANODEANDTHERESIDUALTHATFACEEXTREMELYRAPHEBETWEENCRUSTTOWEAR226CHANGETHEPOLEKEYONTHESLOTCONTROLLERTOENABLETHESLOTCONTROLLERTOENABLETHEPOLECONTROLPROGRAM227THEANODELIFTINGDEVICEOFTHECONDUCTOROFTHECONDUCTORISJAMMEDINTOTHEANODEGUIDEROD,ANDTHELOWERANODEWRENCHISUSEDTOLOOSENTHEGEARANDSLOWLYPULLOUTTHERESIDUALELECTRODE228CROWNPULLEDUPRESIDUEAFTER,INADECLINEINTHEANODEALUMINUMEND,TURNERANODELOCATIONBYACCORDINGTOUNDERLINETHECARDAY,SPECIALCIRCUMSTANCESWITHAPOCKETSCALECALIBRATION,ANDINCONFIRMINGTHENEWPOSITIONINGLINE,ATTHESAMETIMECHECKWHETHERTHEREISANYABNORMALONRESIDUALPOLE,SUCHASTHECLAWS,CRACK,FALLOFF,LONGBAG,ETC229WITH90TESTBARTHEREISOUTWARDINTHETHREE,INCLUDINGONEINTHEMIDDLEOFTHEPOLE,THEOTHERTWOAREONBOTHSIDESOFTHEANODETOUCHTHEBOTTOMOFTHEFURNACE,CHECKTHEBOTTOMPRECIPITATION,INTHEWORKWITHOUTCRACKANDSOON,WITH90DEGREEDRILLMEASUREMENTOFLIQUIDALUMINUM,ELECTROLYTELEVELS,THETWOLEVELS,FURNACEBOTTOM,NEARARECORDATTHECREWINSPECIALCASE,THEVEHICLEGRABSTHESURFACEAREAINSIDETHESLOTANDPUTSITONTHETRAYUSEHOOKS,SHOVELS,RAKES,ANDOTHERTOOLSTOREMOVETHESIZEOFTHEFISTSIZEDPIECESOFTHETANKANDSCOOPUPTHEFLOATINGCARBONRESIDUEFROMTHESTOVEESPECIALLYTHECORNERSLOTFORSTARTINGSLOTS2211COMMANDCROWNPUTNEWONACELL,ANDDETERMINETHEANODEISINSTALLED,THEPOSITIONINGLINEONTHEGUIDEBARISONTHELEVELOFTHELOWERSIDEOFTHEBUS,THEANODERODISNOTINCONTACTWITHTHEHOOK,THEGUIDEMUSTENSURETHATTHEVERTICAL,COMMANDCROWNTIGHTENFIXTURE,THREETIMESTIGHTENINGACTION,ENSURETHATLEVELOFANODEGUIDERODISCLOSETOBUSDONOTDECLINETHEGUIDERODISFULLYEXPOSEDTOTHEMOTHERLINE,NOGAP,OPENTHELIFTINGDEVICE,THELIFTINGDEVICEANDTHEANODEWRENCH2212REQUIRETHECOMMANDEROFTHECOMMANDTOTIETHETHREEPIECEPOLEOFTHEPOLE,NAMELYTHEPOSITIVECHANGEPOLEANDTHERIGHTANDLEFTADJACENTPOLE,WHENTHESKYCARDROPSTOHITTHEHEAD,THEELECTROLYTEUSESTHESPADETOADDTHESHELLTOTHEPLACE,THEROUNDTRIPISTHREETIMES,ANDTHECORNERISVERYSMALLMAKESURETHECORNERISVERYOLD2213AFTERTHECOMPLETIONOFTHEEDGEOFTHECAR,THESTEELSPADEISABOUT10CMINDIAMETERANDTHEDIAMETEROFTHEPLATEISABOUT2530CM2214THESLITINTHEMIDDLEOFTHEBLOCK,THEMIDDLESEAMOFTHEANODE,THE24HPOSTPUSHMATERIAL,TOFILLTHEMIDDLESEAMANDTHEINSIDEOFTHEINNERSHELL2215COMMANDCROWNDROPTREMIEPIPEBETWEENTHENEWEXTREMELYEXTREMELYAROUNDANDCOMBINEDWITHTHERMALINSULATIONMATERIAL,BLANKINGTUBEGROOVEALONGTHEPLATE15CMDISTANCE,HEATPRESERVATIONMATERIALCANNOTDIRECTLYENTERTHERAPHE,THICKNESSOF1618CM,BASICLEVELJUSTCLAWHOLEISATTHETOPOFTHEANODE2216CLEANANDUNBURIEDSTEELGIRDERAFTERFOURDAYSOPERATIONSURFACEAND3523EXTINGUISHINGTHEANODEEFFECT231TIME35POINTSHEADELECTROLYTICWORKWHENTHE232EFFECTOCCURS,THEBUZZEROFTHESLOTCALLSTHEALARMANDTHEREDLIGHTBULBISON233THESLOTNUMBERTHATCONFIRMSTHEOCCURRENCEEFFECTACCORDINGTOTHEREDLIGHTSETONTHESLOT234THEELECTROLYTETAKESANEFFECTRODTOTHESLOTFORTHEALUMINUMEND235THENTHEEFFECTVOLTAGEISOBSERVEDBEFORETHETANKCONTROLBOXOFTHEEFFECTORTANK,THEEFFECTSTATE,IFTHEEFFECTVOLTAGEISHIGHERTHAN40V,THENTHEVOLTAGEDROPISAPPROPRIATE,ANDITISOBSERVEDIFTHEMATERIALDEVICEUNDERTHESHELLISWORKINGNORMALLY236RETURNTOTHEALUMINUMEND,OPENTHEENDCOVER,OPERATETHEALUMINUMIMPACTHEAD,ANDOPENTHEALUMINUMHOLE237AFTERTHEPROCESSINGOFWAITINGEFFECTISFINISHED,THEEFFECTRODISINSERTEDUNDERTHEANODEUNDERTHEANODETHEINDICATORLAMPISOUT,THEEFFECTISEXTINGUISHEDANDTHEEFFECTRODISPULLEDOUT238GOBACKTOTHESLOTVOLTAGEOFTHETANKCONTROLBOXIFTHEVOLTAGEISLOWERTHAN4V,THEVOLTAGEWILLBERAISEDTOSETVOLTAGE/239RETURNTOTHEALUMINUMEND,RECOVERTHECARBONSLAG,CLEANTHEFRONTFLOOROFTHEFURNACE,COVERTHEGROOVE,ANDMAKEARECORD24MRHEADAGAINST241TIME30POINTSWORKAREALONGASSISTANCEDAYTURNER242PREPAREALUMINUMRAKES,SPADES,BROOM,SHELLBLOCKSCONFIRMTHESLOTNUMBERANDTHELARGESURFACE244PLACETHEPREPAREDSHELLBLOCKSANDOTHERMIXTURESONTHEGROUND245OPENTHEGROOVECOVEROFTHEEDGE,PRESSTHEEDGEBUTTONONTHETANKCONTROLBOX,ANDCONTACTTHECOMPUTERTOSTARTTHECONTROLPROGRAMOFTHEEDGE246CONDUCTORSKYCARDROPHITTHEHEADFROMTHEANODE20CMTOTHESIDEOF10CM,THEELECTROLYTICOPERATORUSESASPADEANDASPADETOHITTHEHEADUNDERTHEHEADOFTHECAR,ANDMAKEASTEADYSTATEOFTHEHEARTH247CLEANUPTHEFURNACEWITHASPADEANDPUSHTHEEDGESOFTHESLOTTOTHEEDGEOFTHEANODEANODEFORMEDALONGTHEMOUTHFURNACEFACETOSHUNTHENATURALSLOPEOF4560,ISAPARTFROMTHESIDETOCLOSEOUTA10CMOFTHETROPICS,REQUIREMENTSOFMATERIALWITHSMOOTHSURFACE,NOPRODUCTMATERIAL248CLEANINGTHESITE,APINCHONTHEBOARDANDTHEPLATEOFTHESTYLESHEET249COVERTHESTOVETIGHTLY2410RETURNTHETOOLTOTHEORIGINALPOSITIONANDRECORDIT5DAILYMEASUREMENT251PREPARETHEDETERMINATIONOFRODS,HORIZONTALMETERS,CALIBRATORS,DIGITALTHERMOMETERSANDELECTRICTHERMOCOUPLES252ALUMINUMCHANNELSWEREUSEDTOMEASURETHELEVELOFALUMINUMLIQUIDANDELECTROLYTELEVELSBEFOREALUMINUMWASPRODUCED2521OPENTHESLOTCOVEROFTHETREATEDPOINT,OPERATETHEALUMINUMSHOCKHEAD,OPENTHEALUMINUMHOLESHELL,ANDINSERTTHEMEASURINGRODFROMTHEHOLEINTOTHEBOTTOMOFTHEFURNACE,ANDADJUSTTHEMEASURINGRODTOTHEHORIZONTALSTATEWITHTHELEVELLER2522STATIONARYFORMORETHAN5SECONDS,REMOVETHEMEASURINGSTICK,ISONTHEFLOORAGAIN,USELEVELLEVELCONDITIONSTILLISSHOWNTOMAKEIT,ACCORDINGTOTHEALUMINUMWATERANDELECTROLYTELIQUIDLEVELLINE,VERTICALWATERHEIGHTANDRULERTOMEASUREALUMINUMELECTROLYTELEVEL2523RECORDTHEMEASUREDRECORDSCOVERTHETANKCAPWELL253MEASURETHETANKTEMPERATUREATANYTIMEACCORDINGTOTHEPRODUCTIONSITUATION2531OPENSTHEENDCOVEROFTHEMEASURINGSLOT,OPERATESTHEALUMINUMBLOWHEADANDOPENSTHESURFACEOFTHEALUMINUMHOLE2532PLUGINTHEDIGITALTEMPERATUREMETER,INSERTTHEWIREINTOTHEELECTROLYTE,THEDEPTHISABOUT100MM,NOTTOINSERTTHEALUMINUMWATER,WHENTHETEMPERATURESHOWSTHESTABILITY,RECORDTHEGROOVETEMPERATURE2533REMOVETHETHERMOCOUPLEWIREANDCOVERTHEENDS26ROUTINEMAINTENANCEANDMAINTENANCEOFEQUIPMENT261MAINTENANCEOFSLOTMACHINES2611TOUCHTHEMETALPOINTGENTLYWITHTHEHANDWHENUSINGTHEOPERATIONDONOTTOUCHMULTIPOINTATTHESAMETIMEDONOTPUTHIGHTEMPERATUREAROUNDTHESLOTMACHINE,SOASTOAVOIDAGINGOFTHEDEVICEORLINE2612DONOTOPENASLOTMACHINETOTOUCHTHEELECTRONICCOMPONENTSINCASEOFELECTRICSHOCKORDAMAGETOTHESLOTMACHINE2613AFTEROPERATION,THEDOORSHALLBECLOSEDTOPREVENTDUSTENTERINGTHEBOX2614CLEANTHETANKCONTROLBOXREGULARLY,INCLUDINGTHEUPPERANDLOWERBOXES,THEFUNCTIONOFTHEBUTTONSANDTHEPURGEOFTHEEXTERNALDUST262OPERATIONANDMAINTENANCEOFTHEELECTROLYZER2621OPERATORSSHOULDOPERATECAREFULLYANDMAINTAINCAREFULLYTOPREVENTTHEPRODUCTIONOFDISEASE2622WHENTHEOPERATORNEEDSTOCHANGETHEPOLE,ONLYTHREESLOTSCANBEOPENEDATATIME,ANDONLY6PIECESCANBEOPENEDFOREACHSLOTAFTEROPERATION,THETANKSHALLBECOVEREDIMMEDIATELY2623DURINGTHEPROCESSOFREPLACINGTHEANODE,THEELECTROLYTICOPERATORSHALLHAVEFINEOPERATIONTOPREVENTTHEDUSTFLYINGANDTHEINSULATIONOFTHESURROUNDINGSHORTCIRCUITER2624AFTERTHEEXTINGUISHINGEFFECTOFTHEELECTROLYTICOPERATOR,THEWASTEWOODRODSHOULDBEPLACEDINTHEDESIGNATEDPLACE2625ELECTROLYTICOPERATORWILLBEABLETOADDTHEFLUORIZEDSALTACCURATELY,ANDTHENUSETHEALUMINUMOXIDECOVERTOPREVENTTHEDUSTFROMFLYING2626WHENTHEMULTIFUNCTIONSKYCARISOPERATINGONALUMINUM,ITISCAREFULLYOPERATEDTOPREVENTTHEALUMINUMLIQUIDFROMSPILLING2627THEWORKERSCLEANUPTHEALUMINUMPLATFORMAFTERTHEALUMINUMISOUTOFEACHCELL,ANDIMMEDIATELYCOVERTHETANKCOVER2628ELECTROLYTICOPERATORSSHOULDSTRENGTHENINSPECTIONANDINSPECTIONTOPREVENTAIRANDAIRLEAKAGE2629SUCCESSIONCHECKEQUIPMENTOPERATIONBUSLIFTOPERATIONISNORMAL,NOOILLEAKAGETHEPNEUMATICSYSTEMANDTHEMANUALVALVEOFTHEPIPELINE,THEPIPEISNOTLEAKING,THEPRESSUREISNORMALTHESLOTCONTROLBOXHASNOTROUBLEDISPLAY26210ELECTROLYTICTANKMAINTENANCECLEANTHEUPPERPARTOFTHEDUSTONCEAMONTHCLEANTHESPEEDREDUCER,GEARSHIFT,ROTATINGTURBINERODANDSCREWCRANEEQUIPMENTEVERYMONTHTHEDELIVERYCLASSCHECKSTHEMANUALVALVEFORTHEELECTROLYTICTANK,THEMOVEMENTISFLEXIBLEANDTHESLOTCOVERISCOMPLETEWITHOUTDEFECTACLEAN,WITHOUTSUNDRYTHEENTIREUPPERBODYREQUIREMENTSBPARTS,SLOTCOVEROVERHEAD,WITHOUTSUNDRYCHANDOVERRECORDSANDDAILYCHECKRECORDSMUSTFILLINTHESPECIFICATION,CLEARDBOLTS,SMALLKEYSHAPETOCHANGEEPROBLEMSFOUNDINTHEUPPERBODYMAINTENANCEPROCESS,TIMELYCONTACTMAINTENANCEPERSONNELFORMAINTENANCE,ANDMAKERECORDSROUTINECHECKSBUSLIFTINGMECHANISMFCHECKREDUCEROILSPILLACHECKWHETHERALLTHESCREWFASTENINGBCHECKTRANSMISSIONRODWITHANDWITHOUTDEFORMATIONCCHECKWHETHERAANDBTWOBUSATTHESAMELEVELSHELLFEEDINGMECHANISMACHECKWHETHERALLBOLTSFASTENINGBCHECKWHETHERTHEREISANYLEAKAGEONFIXEDCONTAINERFEEDER,THEACTIONISNORMALCCHECKWHETHERTHECRUSTCYLINDERISSTRONG,ABRASIONOFTHENOSEDCHECKBOXTHESEALMATERIALWITHANDWITHOUTLEAKAGE3EXCEPTIONHANDLINGPROGRAM31STOPGROOVE311OPERATORSDISTRICTCHIEF,MONITOR,DUTYMONITOR,OPERATOR,ELECTRICALMAINTENANCEPERSONNEL,PRODUCTIONDISPATCH,SAFETYOFFICERANDMAINHEADOFWORKSHOP,ETC312USETOOLSSKYCAR,LIFTINGBAG,AIRWRENCH,FIXEDWRENCH,ALUMINUMRAKE,LEAKAGESHOVEL,SHELLANDREEF,CARBONSLAGBOX,LARGESPOON,FASTENINGSCREW,NUT,MULTIMETER,MEASURINGSTICK,FLASHLIGHT313OPERATIONDEPARTMENTOFPLANSTOPSLOT3131DETERMINETHESLOTNUMBERTOSTOP3132FROM10DAYSBEFORETHESTOPSLOT,HIGHRESIDUALPOLEEXCHANGEANODEISUSEDSTOPTHEANODEEXCHANGEOPERATIONTWODAYSBEFORETHESTOP3134INADVANCE,THETWOCLASSESAREINCONTACTWITHTHEPURIFICATIONFEED,ANDSTOPFEEDINGTHESLOT3135THEZEROSHIFTOFTHEDAYOFTHESLOT,IFTHEANODEEFFECTOCCURSMORE,THETWOSMALLSURFACECRUSTSAREDRIVENINTOTHESLOTWITHTHECROWNOFTHECROWN3136BEFORETHESTOPSLOT,THESAMPLERSHALLBEINFORMEDOFTHESAMPLEOFALUMINUMWATER3137CHECKTHEADJUSTMENTRULEWITHINTHEREQUIREDRANGEANDDETERMINEWHETHERTORAISETHEBUSTHEDAYBEFORE3138THEFURNACENUMBERANDTIMEOFTHESLOTSINTHEDISPATCHANDTHECONTROLROOM3139SWITCHEXHAUSTVOLUMECONVERTERVALVE,OPENALARGEEXHAUSTVOLUME31310DETERMINETHEELECTROLYTEHEIGHTWITHTHEDETERMINATIONROD,ANDTHEELECTROLYTEISSUCKEDOUT1HOURBEFORETHESLOTINTHEPROCESSOFEXTRACTINGELECTROLYTE,ITISIMPORTANTTODRAWTHESIDEOFTHEANODETOREDUCETHESPEEDOFTHEANODEANDTHESPEEDOFTHEABSORPTION,ANDMAKETHEANODECONTACTTHEALUMINUMLIQUIDAFTERTAKINGOUTTHEELECTROLYTE,TAKETHESLOTANDWAITFORTHESLOT31311THEDISPATCHDEPARTMENTANDTHEPOWERSUPPLYDEPARTMENTTOCONTACT,DETERMINETHEPOWERFAILURE,THENTHEPERSONNELIMMEDIATELYUSETHEWRENCHTOLOOSENTHESHORTINTERSECTIONSINSULATEDBOLTS,TAKEOUTTHEINSULATIONBOARD31312THEDUSTANDMATERIALBETWEENTHESHORTCIRCUITANDTHEMAINLINEOFTHEPIPETHEDAMAGETOTHESHORTROADISTOTAKEREMEDIALACTIONANDMAKEARECORDOFTHELEADER31313IMMEDIATELYINSERTTHEFOURBOLTSINTHEUPPERANDLOWERSECTIONSOFTHESHORTINTERSECTIONS,ANDSHORTCIRCUITTHESHORTCIRCUITANDTHEVERTICALBUS31314CONNECTWITHTHEPOWERSUPPLYDEPARTMENTTOSTARTTHEELECTRICITY31315CONTACTTHECONTROLROOMANDCUTOFFTHECONTROLOFTHESLOT31316CUTOFFTHEAIRSOURCEOFTHESLOT,TURNOFFTHEBUTTERFLYVALVETOBEOPENEDWHENFEEDING,ANDSTOPFEEDING31317WHENTHECURRENTISFULLYRAISED,THEPRESSUREDROPOFTHESHORTINTERSECTIONSISMEASUREDWITHAMULTIMETER,ANDTHESINGLESHEETPRESSUREDROPISGREATERTHAN20MV31318LIFTANODE,OUTOFELECTROLYTESURFACE31319CLOSINGEACHVALVEONTHESLOT313THEELECTROLYTECRUSTOFALUMINIUMENDALUMINUMWATERSURFACEWASREMOVEDIN204HOURS31321THESUCTIONCONDUCTORWILLCARRYTHEBAGOUTOFTHETUBEINTOTHEFURNACEANDSUCKOUTTHEALUMINUMWATERTOABSORBASMUCHASPOSSIBLE31322OPENTHECOVEROFTHEFURNACETHATNEEDSTOBEMANUALLYDIPPEDINALUMINUM,USETHEALUMINUMRAKETOREMOVETHEFLOATINGMATERIAL,ANDDIRECTTHECARTTOREMOVETHEANODEFROMTHEALUMINUM31323PULLOUTTHESHELLANDEXPOSETHEALUMINUMLIQUIDPREHEATTHELARGESPOONANDTHECARBONSLAGBOXTOTHETOPOFTHETANK31324THEALUMINUMENDANDBOTTOMOFTHEFURNACEARETHENUSEDTOLADLETHEALUMINUMINTOTHESLAGBOX,ANDASFARASPOSSIBLE,THEALUMINUMSHALLBEEXHAUSTED31325SWITCHEXHAUSTVALVE,CODEGOODFURNACECOVER31326PLACETHESLOTEQUIPMENTANDINSULATIONBOARDINTHESPECIFIEDPLACECLEANTHESITE31327THESLOTNUMBER,DATE,TIME,ELECTROLYTEABSORPTIONAMOUNTOFTHESTOPSLOT,THEAMOUNTOFELECTROLYTEABSORPTION,THEAMOUNTOFALUMINUMWATERABSORPTIONANDTHEAMOUNTOFALUMINUMTOBEBAILEDOUTSHALLBERECORDED3128RECORDTHEPRESSUREDROPOFTHEJUNCTIONPRESSUREDROPOPERATIONSTEPOF314TEMPORARYSTOP3141INCASEOFSERIOUSDAMAGE,LEAKAGEOFTHEFURNACEANDOTHERSPECIALCIRCUMSTANCES,THETEMPORARYSTOPSHALLBECARRIEDOUTBYTHEDISPATCHINSTRUCTIONS3142WHENTHEFURNACEISLEAKING,THEVOLTAGESHALLBEFIRSTSEENBYAPERSON,ANDTHEVOLTAGESHALLBEKEPTWITHIN50V,ANDTHEANODESHALLBEPROPERLYREDUCED,SOTHATTHEANODESHALLNOTBESEPARATEDFROMTHEELECTROLYTESURFACEORTHEALUMINUMLIQUIDCAUSINGASHORTCIRCUIT3143OTHERPERSONNELIMMEDIATELYREPORTTHEDISPATCHROOMANDTHERELEVANTLEADER,AND,ACCORDINGTOTHEEXTENTOFTHELEAK,PREPAREFORTHEPOWERFAILURE3144THEONSITESTAFFSHALLTAKECORRESPONDINGMEASURESTOPROTECTTHEBUSANDVARIOUSCABLES3145THEOPERATORANDTHESTAFFOFTHEDAYSHALLBEABLETOCARRYOUTTHEFIREPROTECTIONOFTHELEAKINGFURNACEANDPREPARETHESTOPTOOL3146AFTERCONFIRMINGTHESALVAGEISINVALID,THETEMPORARYSTOPSLOTSHALLBECARRIEDOUT3147TEMPORARYSTOPSLOTSHALLBECARRIEDOUTON313113132632DETECTION,DETERMINATIONANDMAINTENANCEOFCELLDAMAGE321DETECTIONOFCELLDAMAGE3211ACCORDINGTOTHEANALYSISREPORT,THECONTENTOFIRONANDSILICONINTHEORIGINALALUMINUMINCREASEDCONTINUOUSLY,THEIRONCONTENTWASGREATERTHAN05ANDTHESILICONCONTENTWASGREATERTHAN017INNORMALPRODUCTIONTANK,THEAMOUNTOFIRONINTHECELLISHOVERINGAT030050OFTHEELECTROLYTICCELLFORTESTING,ANALYSISANDJUDGMENT3212WITHIN48HOURSOFUNEXPLAINEDIRONCONTENTROSEMORETHAN010ORMOREOFTHECELL,TOCHECKTHEANODEWORKINGCONDITIONS,TOOBSERVETHERECENTRESIDUEISEXTREMELYHIGH,LOOKATTHEANODEEXCHANGERECORD,ORGANIZEFORCESTOCHECKTOUCHEACHWORK,CHECKTOSEEIFTHEREISANODIZEDCLAW3213UNEXPLAINEDIRONCONTENTINTHREEMONTHSAT020040,ALUMINIUMQUALITYSUDDENLYFALLING,TODETECTTHECATHODESTEELBAR,STEELPLATETEMPERATUREOFFURNACEBOTTOMANDTHECATHODICCURRENTDISTRIBUTION,ANDQUICKLYFINDOUTTHEREASON,JUDGETHEDAMAGEDPARTSTHEFOLLOWINGARETHETEMPERATUREREFERENCEVALUESFOREACHPOSITIONTHECATHODESTEELBARTEMPERATURENORMALRANGE180280,WHENTHECATHODESTEELBARTEMPERATURE300ORHIGHER,ABNORMALTEMPERATUREWHENTHECATHODESTEELAT320ORHIGHERTEMPERATURE,ISADANGEROUSTEMPERATURENORMALRANGELATERALSTEELPLATETEMPERATURE180380,WHENLATERALSTEELPLATETEMPERATUREOF380ORHIGHER,ABNORMALTEMPERATURELATERALSTEELAT450ORHIGHERTEMPERATURE,THETEMPERATUREOFDANGERTHETEMPERATUREOFTHESTEELPLATEINTHEBOTTOMOFTHEFURNACENORMALRANGE5080,WHENTHETEMPERATUREOFTHEFURNACEBOTTOMPLATEIS100ORHIGHER,ABNORMALTEMPERATUREWHENTHETEMPERATUREOFTHEFURNACEBOTTOMPLATEIS150ORHIGHER,ISADANGEROUSTEMPERATURE321ACCORDINGTOTHEDETERMINATIONOFTHECHANGESATTHEBOTTOMOFTHEELECTROLYZER,THEREASONOFTHECATHODEDEFLECTIONORTHECATHODEVOLTAGEDROPWASFOUNDOUT3215TESTTHEELECTROLYTEHEIGHTANDALUMINUMHEIGHTOFTHEELECTROLYTICCELL,ANDCHECKTHESHAPEOFTHEFURNACEACCORDINGTOTHECHANGEOFTHEELECTROLYTEANDALUMINUMLIQUIDHEIGHT3216ANALYSISRECENTLYADDEDTHEIMPURITYOFRAWMATERIALSTORISE,THECATHODICCURRENTDISTRIBUTIONTEST,TESTTHEMAXIMUMPRESSUREDROPISGREATERTHAN8MVORLESSTHAN3MV,ACCORDINGTOTHECHANGEOFTHEPRESSUREDROPVALUESANDOTHERTESTINGDATA,THECOMPREHENSIVEJUDGMENTOFTHECATHODEDAMAGE3217ANODEEXCHANGETOTOUCHTHEBOTTOMOFTHECHANNEL,THENEEDTODOAGOODJOBINTHEBOTTOMOFTHECHANNELDAMAGEDEGREE,THERANGEOFRECORDSLOGOTOSHOWINTENT,ATTHESAMETIMEOBSERVESIDECARBONBLOCKBYTHEELECTROLYTEANDTHEDEGREEOFLIQUIDALUMINUMEROSIONANDEROSION,INCASEOFQUERY3218DURINGTHESTARTUPPROCESSOFTHENEWGROOVES,THECARBONBLOCKSANDARTIFICIALLEGSTHATFLOATAFTERTHECATHODERISEAREFOUNDINTHEPROCESSOFRECOVERINGTHECARBONRESIDUEOFTHECATHODE,ANDTHERECORDANDTHEIDENTIFICATIONOFTHEINTENTIONISREQUIREDINNORMALPRODUCTION,ITISIMPORTANTTOOBSERVEWHETHERTHEELECTROLYTICTANKSHELLISEXPANDINGOUTWARDS,ANDTHEBOTTOMSTEELPLATEISGOINGDOWNORWHETHERTHECORNERISCRACKED3219THEREISACATHODECARBONSTRIP,WHICHISMORETHAN50MMTHICK32110ELECTROLYTICCELLWITHHEATDISSIPATIONHOLE322DETERMINATIONOFTHEDAMAGEOFTHECELL3221ACCORDINGTOTHEORIGINALALUMINUMANALYSISREPORT,FORTHECONTINUOUSSAMPLING5TIMES,THEIRONCONTENTISMORETHAN1ANDCONTINUOUSRISE,WHICHCANBEDETERMINEDTHATTHETANKISBADLYDAMAGEDEXCEPTFORTHENEWGROOVES3222WHENTHECARBONBLOCKSINTHEBOTTOMOFTHECATHODEARELARGEANDIRREGULARUPLIFTUPTO15CM,ANDTHECATHODEPRESSUREDROPISGREATERTHAN50MV,ITCANBEDETERMINEDTHATTHEBOTTOMOFTHECATHODEISSERIOUSLYDAMAGED3223ELECTROLYTICTANKSHELLSERIOUSDEFORMATION,CANBEDIRECTLYOBSERVEDTHEMEASUREDLATERALALONGPANKUOUTMORETHAN10MM,GREATERTHAN15CMORCRACKCAUSEDBYDEFORMATIONOFTANKSHELLLININGBULGEOREXPANSION,COMBININGWITHTHELATERALTEMPERATUREOFSTEELPLATEANDTANKSHELLAGLOWPHENOMENONOBSERVED,THETANKCANBEDETERMINEDBYBADLYDAMAGEDCONDITION323MAINTENANCEOFELECTROLYTICTANKDAMAGE3231WHENTHEDAMAGEDPARTOFTHECELLISDETERMINED,THETISSUEPERSONNELSHALLUSETHEMAGNESIUMSAND,MAGNESIUMBRICK,CALCIUMFLUORIDEANDFLUORIZEDALUMINUMPRECIPITATIONBLOCKTOFILLINARTIFICIALPRECIPITATIONANDUSEDACCORDINGTODIFFERENTSITUATIONS,PIPECOOLING,EDGE,WHENITISNECESSARYTOCUTOFFTHELOADOVERTHECATHODEBARSMALLBUS,EACHANODEREPLACEMENTMOZHAFURNACEBOTTOM,UNDERSTANDANDGRASPTHESTATUSOFTHEREPAIR3232AMIXTUREOFTHEABOVEONEORSEVERALMATERIALSTAKENOUTOFTHESLOTORTHEALUMINUMLIQUIDISMIXEDINTOABLOCKABLOCKISUSUALLYRECTANGULARANDSLIGHTLYLARGERT