石化加热炉烟气脱硝技术应用探讨

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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。0379-64887869E-maillism.lpec@sinopec.com。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.

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