石化加热炉烟气脱硝技术应用探讨

471003。。。。NOxSNCRSCRSO2NOx。SO2“”14．29%。。20801/101/3。、、。。NOxNOx。NOx。1。GB16297—1996《》GB13271—2001《》GB9078—1996《》GB13223—2003《》。GB16297—1996《》。1997、、240mg/m3、。1。。DB11/139—2007《》100mg/m3。2011－04－19。1984。[e-mail]。20117PETROLEUMREFINERYENGINEERING4171Table1MaximumpermissibleemissionrateofNOx/m152030405060708090100/kg·h－10．771．34．47．5121623314052。GB13223《》2012100mg/m32014100mg/m32003450～1100mg/m3。。2、。NOxNOxCHHCNNNOx。。。3、1。。。。。0．85%0．91%0．96%0．77%2。。、、、NOx。NOx240mg/m33%NOxNOx140mg/m3NOxNOx80mg/m3NOxNOx50mg/m3NOxNOx35mg/m3。NOx。268MW3350MW448dam3/hNOx160mg/m3NOx71．7kg/h。NOx20%～30%0．3%NOx600mg/m3—2—201141NOx600mg/m3。NOxNOx400～500mg/m3。NOxNOx。PX546MW800dam3/hNOx600mg/m3NOx480kg/hGB16297—1996305m。。。4、、、、SNCRSCR3。4．1SNCRSNCRNOx。NOx40%～75%。NOx100μL/L。870～1200℃2NO+4NH3+2O→23N2+6H2O1870～1370℃2CONH22+4NO+O→24N2+2CO2+4H2O2SNCR5～20μL/L。4．2SCR4．2．1SCR。NH3NOxN2H2O。3～74NO+4NH3+O→24N2+6H2O36NO+4NH→35N2+6H2O42NO2+4NH3+O→23N2+6H2O56NO2+8NH→37N2+12H2O6NO+NO2+2NH→32N2+3H2O7NONOx90%3。4．2．2SCRV2O5/TiO2WO3MoO34。①。150～230℃。②。204～482℃。③。315～370℃。④。330～385℃。4．2．3SCRSCR、、、NOx、NH3NOx、、SCR。5SCRNOx9～20000μL/L25～150μL/L。90%5μL/L。55．1、。—3—7．NOxAPIRP536。。200790200105GW、57．45GW、、。SCR96%SNCR4%。。5．2800℃SNCRSCR。、、SNCRSNCRSNCRSCR。5．3SCR。、、、、、、。、。5．4SCR。SCRSCR。CFD。6SCRSNCRSNCRSCR。SCR。。SCRSCR。1．J．201015893-98．2．M．3．200054-56．3Americanpetroleuminstitute．APIRP536—2006Post-combus-tionNOxcontrolforfiredequipmentingeneralrefineryserviceS．WashingtonDCUSAAmericanpetroleuminstitutepub-lish2006．4．J．200513416-421．5．SCRJ．2005381069-74．AnalysisofdenitrationtechnologyforfiredheaterfluegasinpetrochemicalindustryLiShaomingZhangTiefengSINOPECLuoyangPetrochemicalEngineeringCorporationLuoyangHenan471003AbstractThestandardofNOxemissionandstatus-quoofNOxemissioninfiredheaterfluegasinpetro-—4—201141chemicalindustryinChinaareintroduced．ItisstatedthattheNOxinfluegascanmeettheemissionstandardspecificationsifappropriatemeasureshavebeentakentocontrolthecombustion．WiththeexistingcombustiontechnologytheNOxinoilfiredheaterexceedthestandardlimitations．Thereforefluegaspurificationmeas-uressuchasinstallationofdenitrationunitshouldbeadoptedtomeetthestandardemissionrequirements．Theworkingprinciplesoffluegasdenitrationtechnologyandapplicationsaredescribedandapplicationinfiredheaterinpetrochemicalprocessingisstudied．KeyWordsfluegasemissionNOxfuelfluegasdenitrationSNCR櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏SCR2011517—18、·。、、、。、、、43015042。、、Süleymanzmen、、、。11232124345ATA-。3123FLEXICOKINGTM4“Petropower”———5/6-。41TMP2－STAR3ACO45/-67。51234。8Mt/a10Mt/a500kt/a1．50Mt/a800kt/a1．50Mt/a400kt/a1．00Mt/a。1．00Mt/a2．00Mt/a。—5—7．