Duetothedeteriorationoftheair,itisproposedtoincreasethetreatmentoffixedsourcesandreducemulti-pollutantemissionsasoneoftheannualkeytasks.Itisrequiredtodeepenthedesulfurization,denitration,anddustremovalofkeyindustries.Theceramicsindustryisoneofthekeyindustries.Doingagoodjobintheceramicsindustrialpark'swastegastreatmentwillbeofgreatsignificancetotheimprovementofregionalambientairquality.Sohowdoestheceramicsindustrytreatthewastegas?Generally,abagfilter+watersprayprocessisselected.Butafteraperiodofuse,theeffectwillbereducedorevennoeffect,thenweneedtofindoutthereason.   I.Analysisofwastegastreatmentofwaterspraytower Exhaustdustenterstheclothbagdustcollectorfortreatmenttoremovethedust,andthenflowsintothefluewaterspraytowerforlyespraytoachievethepurposeofdustremovalanddesulfurization. Bagdustcollector:Theairboxpulsebagdustcollectoriscomposedof4boxes,andthereisapoppet-drivenpoppetvalveontheoutletpipeonthesideofeachbox.Whenthedustcollectorfiltersthedust-containinggastoacertaintime(ortheresistancereachesapresetvalue),thedustcleaningprogramcontrollerautomaticallycontrolsthecontinuousoperation.Theentireboxdesignusestheinletandoutletheaderstructure.Theashhoppercanbeextendedundertheinletheadertomaketheincomingdust-containingfluegasdirectlyentertheenlargedashhoppertoachievetheeffectofpre-dusting,andremovethelevelthatispronetoblockage.tube.Therefore,theairboxpulsebagdustcollectorcannotonlyhandledust-containinggaswithgeneralconcentration,butalsocanhandlehigh-concentration,high-humiditydust-containinggasupto1300g/Nm3. Flue-typewaterspraytower:Thefluegasafterdustremovalpassesthroughthesedimentationchamber.Analkalispraysystemissetupinthesedimentationchamber.Thealkaliisusedtoreactwithsulfurdioxideintheexhaustgastoachievethepurposeofsulfurremoval.Thesodium-alkaliabsorbentusedfordesulfurizationhashighreactivityandfastabsorptionspeed,whichcanreducetheliquid-gasratioandreduceoperatingcosts;theliquidphaseinthedesulfurizationzoneandthecirculationpipelineissodium-basedclearliquid,whichhasalargesolubilityoftheabsorbent,andtheTheprecipitationisseparatedoutsidethedesulfurizationzone,whichcangreatlyreducethechanceofscalinginthedesulfurizationzoneandinthepipeline. Fromthemonitoringresults,thedustexceededthestandardby1.6times.Theanalysismayhavethefollowingreasons: 1.Thematerialofthebagispoor,theusetimeislong,themaintenanceisnottimelyandnotinplace,andsomeofthebagsaredamagedandnotreplacedintime,whichwillcausethedusttobeeffectivelyhandled. 2.Thesedimentationandresidencetimeofthesprayingwastewaterisnotenough,whichcausesthecirculatingwatertobeusedforthenextsprayingwithoutbeingclarified,sothatthesuspendedmatterinthewastewatermaybebroughtintotheexhaustgasnexttime,andthepurificationeffectisnotachieved. Second,thewaterspraytowerexhaustgastreatmentoptimizationscheme 1.Theclothbagisusedforalongtime,andthemaintenanceisnottimelyandinplace.First,checkthedustconcentrationoftheexhaustgasoutletofthebag.Ifthedustconcentrationattheoutletofthebagishigh,itismostlikelythatthebagisdamaged.Replaceitimmediatelyandestablishasystem.Regularlyshutdownandcheckthebagconditiontoensurethatthedustcannotbeeffectivelyprocessed. 2.Thesettlingchamberspraycirculatingwaterandballmillwastewatershareawatertreatmentsystem,whichisnotconducivetothespraywaterandalkalicontrolpH.Thecirculatingwatersedimentationtankneedstobemodifiedtouseanindependentwatertreatmentsystemtoextendtheresidencetimetoachievethepurposeofclarification;ortoincreasethecirculatingwatertreatmentdevicesothattheconcentrationofsuspendedmatterinthewastewaterreachesthesprayingrequirementtoensurepurificationeffect. Atthesametime,inordertoensurethelong-termstabilityoftheexhaustgasfromthewaterspraytower,thefollowingworkneedstobedone: 1.ThelyecirculationtankisequippedwithanautomaticpHcontrolsystemandanautomaticdosingsystemtoachieveintelligentcontrol.ThestaffmustalsocheckthepHregularlytoensuretheappropriatelyeconcentration. 2.Reconstructionofthesettlementchamber,eliminatingtheinterfacebetweenthepipelineandthesettlementchamberandcracksinthesettlementchamberbodytoensureitstightness.Atthesametime,thesprayingsystemofthesedimentationchambershouldbemaintained,andthecloggednozzlesshouldbereplacedintimetoensurethesprayingeffecttoimprovethetreatmenteffectofdustandsulfurdioxide.