垃圾CFB焚烧酸性烟气排放特性实验.pdf

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1、机床与液压Jun．2013HydromechatronicsEngineeringVo1．41No．12DOI：10．3969／j．issn．1001—3881．2013．12．008AnExperimentontheEmissionCharacteristicsoftheAcidicFlueGasReleasedbyMSWIncinerationbyCFBZANGRendeChongqingUniversityofTechnology，Chongqing400054，ChinaAbstract：In

2、theexperimentofMSWjncinerationbyCFB，theessaystudiestheformationmecha—nismandemissioncharacteristicsofthefluegasreleasedbvMSWincinerationtoclarifytheinflu．enceofparameterssuchasthebedtemperatureandexcessairratioonacidicfluegasemissionintheprocessofincine

3、ration．Theexperimentshowsthatwiththeincreaseofthebedtempera-ture，theemissionconcentrationsofNO，SO，andHClincrease：withtheincreaseofexcessairratio，theemissionconcentrationofNOincreasesrapidlythenturnstogentle，SO2increasesandHCIdecreases；withtheincreaseofc

4、alciumsulfurratio。theemissionconcentrationofNOin-creases，S0，andHCIdecrease．Keywords：MSW，emissionCharacteristics，CFB，excessairratio1．Introduction2．ExperimentMSWincinerationbyCFBcanmeettherequire—2．1．ExperimentSystemmentsoftheminimization，recycleandharmle

5、ssforTheexperimentisconductedonCFBBoiler50waste[1—3]，whichhasbeenwidelyusedinmanykg／h，asshowninFig．1，includingfiveparts：thecountries．WiththedevelopmentofthesocietyandCFBbody，thefeedingsystem，theairdeliverysys—people’slivinglevel，wasteproductionhasincrea

6、sedtem，thegnitionsystemandthefluegasmeasurementrapidly．ManyincineratorsbuiltorbeingbuiltinChi．system．naatenowusingthistechnology．UnlikenormalfuelsTheCFBboilerinthisexperimentissetwithout[4—6]，MSWproducesalotofharmfulsubstancescoldashbed．Theincineratoris

7、undermicro．positivewhenburned，mainlyharmfulsubstancestohumanpressurewithadesignedtemperatureof900oCre-bodysuchasdioxinsandflyash，heavymetalssuchmaining2second．ThereisablowerwithaflowrateasHg，HCI，SO，NO，HF，C0andsoon，inof175m／handaliftof1260mmwatercolumn．w

8、hichacidicgaslikeHC1，SOandNOareagreatTheprimaryairaccountsfor80％andthesecondarythreattotheenvironmentifnoteffectivelypurified『7air20％．Theretumproductistransportedbythere．—91．Sointhecombustionprocess．itisveryim．cyclingair．Thespeed