大型循环流化床锅炉掺烧石油焦N2O排放特性研究

44220133BOILERTECHNOLOGYV0144NO2Mar2013N20122(12100132210096)440thNz0Nz0NONz0N0NzoNz0Nz0TK2296+6A16724763(2013)02002005030[1]225(CFB)NOS0NONzO440thCFBNONH20120720(2006CB705806)(1977)2N021[NOHCNNCONCONONONHNOHCNNONO3(1)NO(2)NON20(3)HCNN20NO[3-4]11440th842DCSFoxbroIATesto350XLOCOzSOzNONzOCO6l21()128731O1630163O325o325063006301250125025002500500010326942955160149O2422443mm016O16035035O6806813113125525551051661983713615O72213916261331NO2NO[5]NOHCNHCNNON0800820840860880900C2NoHCN+NONCO+N20(1)NONHOHH+NONH3NHN20(2)HCNNHNOOOHHNOHCONO+H+H+OH02NCONHN-+NO(3)HCNN20NONCO+NO*-,'N20+CO(4)NH+NONO+H(5)NON20HN2OH(6)N20+OHN2+H02(7)4[7]NO(4)(5)NO(6)(7)HOH(6)(7)NONON04NOOOHHNO(6)(7)NONO323NONO50030011121314153N0NO(1)HCNNOOOHH(6)(7)NONONoo0o00oLtN2N023NCNCNNoNONO33CaSSOs0[8]NONOCaOCaONONOHCNHCNNHHCNNOCaSCaOCaNNONONO41t1NONOSOS0HCNHNHCNNOS0NO[81400375350Z141618202224264CaSN0H+SO+MHS02+MH+HS02---H2+S02OH+HS02---H20+S02M(8)(9)(10)SOCaSOCaSOCOCOCOCaONONONONONO4150Mw440thNO11312NO(1)NO11312NONOHCNNON0NONO(2)OOHHHCNNONONO(3)NO2444[1][J]199829(4)7173[2]NOEJ]2003(4)[3]FeCON20NONz[J]2001(1)[4]N20NO[J]1999(7)[5]KramlichJCColeJAMcCarthyJMeta1Mechanismsofnitrousoxideformationincoalflames[J]CombustionandFlame198977375389[6]KilpinenPHupaMHomogeneousN20chemistryatfluidizedbedcombustionconditionsakineticmodelingstudy[J]CombustionandFlame19918594104[7]MillerJABowmanCTMechanismandmodelingofnitrogenchemistryincombustion[J]ProgressinEnergyandCombustionScience198915287338[83N20[J]199414(4)17[9]BreretonCMHLimcJGraceJReta1Pitchandcokecombustioninacirculatingfluidizedbed[J]Fuel199574(10)14151423[103LeeknerBAmandL-ENzOemissionfromcombustionofsolidfuelsinfluidizedbed[A]JointMeetingoftheFrenchItalianandSwedishSectionoftheCombustionIn-stitute1992l13AResearchonN20EmissionCharacteristicsofBigCirculatingFluidizedBedBoilerBurningCo-firingofCoalandPetroleumCokeZHANGZhong-linlLIANGCai2(1ElectricalPowerSimulationandControlEngineeringCenterofNanjingInstituteofTechnologyNanjing210013China2KeyLaboratoryofEnergyThermalConversionandControlMinistryofEducationSchoolofEnergyandEnvironmentSoutheastUniversityNanjing210096China)AbstractAnexperimentalstudywasperformedofN2Oemissioncharacteristicson440thCFB(CirculatingFluidizedBed)boilerCOfiringofcoalandpetroleumcokewithdifferentmixtureratioTheeffectsofseveralparameterssuchasdifferentmixtureratiobedtemperatureexcessaircoefficientandCaSmolarratioonN20emissionwereverifiedTheresultshowthattheN2OconcentrationinfluegasrosewiththeincreaseoftheratioofpetroleumovercoalexcessaircoefficientandCaSmolarratioThebedtemperaturewassensitivetotheN2OemissionconcentrationwhenthebedtemperatureincreasetheN20concentrationdroppedTheresultdatawasveryimportantsignificanceforthelargeCFB(CirculatingFluidizedBed)BoilerburningcoalandpetroleumcokeKeywordsCFB(CirculatingFluidizedBed)COfiringpetroleumcokeN20()