600t新型污泥喷雾干化焚烧示范工程污染物去除效果

78Vol．7No．820138ChineseJournalofEnvironmentalEngineeringAug．2013600t/d-12113131*1．1000842．3100123．100192-。。600t/d、96±10℃72±8℃TVOC＜0．025mg/m3＞80%《》GB18485-2001。-X703A1673-9108201308-3196-07Pollutantremovalofanewspraydrying/incinerationdemanstrationprojectwithcapacityof600t/dforsludgetreatmentWangCuiping1YuQilin2GaoZhiyong1ShengShouxiang13WuChangmin13WangKaijun11．StateKeyJointLaboratoryofEnvironmentSimulationandPollutionControlSchoolofEnvironmentTsinghuaUniversityBeijing100084China2．ZhejiangHuanxingMachineryCo．Ltd．Hangzhou310012China3．CSDBeijingEnvironmentalProtectionDevelopmentCo．Ltd．Beijing100192ChinaAbstractThenewspraydrying/incinerationprocessisanintegratedtechniquewhichwasdesignedbasedonourcountry’snationalconditionstoutilizethehightemperaturefluegastodrythedewateredsludge．Thepol-lutantsremovalandperformanceofthisnewprocesshasbecomeafocus．Thereforewedeterminedtherunningperformanceandpollutantremovalofthenewsludgespraydrying/incinerationdemonstrationprojectwithcapaci-tyof600t/dforsludgetreatment．Theresultsshowthatthetemperaturesoffluegasanddriedsludgeparticlesremainstableat96±10℃and72±8℃respectivelyundertheautomationcontrol．Thereisnodustex-plosionriskinthespraydryingtowerandTVOCconcentrationisbelow0．025mg/m3．Thedirectcontactbe-tweenhightemperaturefluegaseswithspayedwetsludgemakesthedryingprocessrapidandthermalreuseeffi-ciencyashighas80%．TheindicatorsofthedischargedfluegascanmeettheSolidWasteIncinerationPollutionControlStandardGB18485-2001．Keywordssludgespraydrying/incinerationdemonstrationprojectpollutantcontrolperformance2011090012012－06－272012－10－051979～。[e-mail]*[e-mail]2011、1．36m3/d75%110%2。“、、”。34。5、6、8600t/d-。。。“-”600t/d。。600t/d-、。、、。。11．1-。30～500μm＞500℃20%、60～120＞850℃、＞2．5s。、、。≤5%。。2Φ9．5m46m30m。84410m3/min4kg/cm2。。2Φ3．7mΦ3．0m21m1°1～3r/min20～60min55kW。。Φ3．5mΦ2．4m23m0．58m850℃2．5s。1。＞500℃70～80℃80%7。2、。60～1207。3。500℃＜0．5s100℃7。1．28。31。2379137。、、1。1、Fig．1Curvesofmoisturecontentdryingrateandmaterialtemperaturewithtimeduringsludgespraydryingprocess1．381%～91%3110～3460kcal/kg4．6%SO3。、、、、、。1．42。12TVOC3HCl、、、NOx、SO24。22．1、。－35d3。。、96℃72℃±10℃±8℃2Fig．2Schematicdiagramofprocessflow89138600t/d-3Fig．3Temperaturevariationatdifferentsectionsofthesludgespraydrying-incinerationdemonstrationproject。、525、751922℃±42℃、－31～48℃－63～32℃、。。、。。2．259-11160g/m325%～15%3360～550℃45。。5g/m343．2g/m3200℃4。。2．3、。。。462～557℃3450～570℃100℃。452m200℃。991372m80%7。2．4TVOC2。TVOC6。6TVOC0．01～0．025mg/m3TVOC0．6mg/m3。。TVOC10mg/m3TOC。6TVOCFig．6ConcentrationvariationofTVOCalongwithheightofspraydryer3HCl、SOx、、7。。、。。3．1+++NaOH+。1。1GB18485-2001。10μm1200238600t/d-1Table1Emissionconcentrationsofmainpollutantsmg/m3SO2HClNOxHgCdPbCOA50．923112．73800．00430．0160．16494．1ⅠB26．9675924．6300．60．0085*0．50882．0ⅠGB18485-200180260754000．20．11．6150ⅠAB11%O2*1．5×10－5L。0．5μm13HgCd。5g/m350．9mg/m399%。+。SO2HClHClSO2HCl。HClSO2226HCl。SO24．6%。。3．2。-7。64．3%39．7%14。0．017ngTEQ/Nm3GB18485-2001。32ngTEQ/kg100ngTEQ/kg。850℃。32%0．0844ngTEQ/Nm3。4．6%15-17。7Fig．7Concentrationvariationofdioxininfluegas4600t/d、1-96±10℃72±8℃280%～90%2m80%TVOC＜0．025mg/m33GB18485-2001。102371．//20112011．44-46XiXinxinXuHongkuiWangPengetal．Reviewoftreatmentanddiposaltechnologiesofthesewagesludgefrommunicipalwastewatertreatmentplants//Processingsofthe2011NationalWaterandWastewaterTechnologyInfor-mationNetwork2011．44-46inChinese2．“”．2011126-7QiuBaoxing．Thedevelopingstrategyandmajortasksforthetwelve-fiveplanofmunnicipalwatersupplyinChina．Water＆WastewaterEngineering2011126-7inChinese3LinH．MaX．Simulationofco-incinerationofsewagesludgewithmunicipalsolidwasteinagratefurnaceinciner-ator．WasteManagement2012323561-5674RoyM．M．DuttaA．CorscaddenK．etal．Reviewofbiosolidsmanagementoptionsandco-incinerationofabio-solid-derivedfuel．WasteManagement201131112228-22355KelessidisA．StasinakisA．S．Comparativestudyofthemethodsusedfortreatmentandfinaldisposalofsewages-ludgeinEuropeancountries．WasteManagement20123261186-11956JungC．H．MatsutoT．TanakaN．etal．Metaldistribu-tioninincinerationresiduesofmunicipalsolidwasteMSWinJapan．WasteManagement2004244381-3917．/．2008241143-46WangKaijunYuJinhaiYuQilin．Experimentalstudyonnewdrying/incinerationprocessforsludgetreatment．ChinaWater＆Wastewater2008241143-46inChinese8．2．20079．．20128288-92ZhangErqiangZhangLijingTaoGangetal．Prelimina-rystudyoncharacteristicsandpreventivemeasuresofthedustexplosion．JournalofSafetyScienceandTechnology20128288-92inChinese10．．1984253LiuHoujin．Thelimitvaluesofdustexplosion．IndustrialSafe-tyandEnvironmentalProtection1984253inChinese11HSE．OC-847/9．Controlofhealthandsafetyrisksatsewagesludgedryingplantsrotaryandverticaldryers．UKHealthandSafetyExecutive200512．．20116276-277Zhangzheng．Discussionontheimprovementofthecollec-tionefficiencyofthecycloneseperator．GuidetoBusi-ness20116276-277inChinese13．．20124116-7LiRuyaQiJuntianYinHuanrongetal．Affectingfac-torsuponfilteringefficiencyofbagfilters．ThermalPowerGeneration20124116-7inChinese14．．2003242143-146JinYiyingNieYongfengTianHonghaietal．RemovalefficiencyofdioxinsinfluegasfromMSWincinerationbyusingbaghouseandactiva