燃煤锅炉烟气露点温度确定方法的分析

TheAnalysisoftheMeasurementofFlueGasDewPointintheCoal-firedBoiler(,071003):,H2SO4,,:;;1SO2HClH2OSO3SO2SO2,SO2,1K,HCl,SO2,H2OSO310%H2SO4,1,110%1H2O(%)56789101112131415t()-8-615-415-3-1150+1+215+315+4+5SO3(550)ppm,SO3,46165(110160)SO3,SO3SO3:(1)SO2+[O]SO3(1),,,,,,SO2SO3;,,COSO3,SO3,:SO3+CSO2+CO(2)SO3+COSO2+CO2(3)SO3,SO3(2)SO2SO3,:SO2+O2SO3(4)SO2+O2SO3+[O](5)V2O5Fe2O3,(425625),,,SO2;,SO2550SO3,(78)m/s,SO2SO3(3),SO3,,SO3SO3H2OH2SO4,H2SO4,H2SO4,,H2SO42,,(6)(7)(8)7398,tld=tsl+1253Sar,zs1105fhAar,zs(6):69©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=tsl+2003Sar,zs1125fhAar,zs(7)tld=tsl+30142Sar,zs11050142fhAar,zs(8):tld;tsl;Sar,zs;Aar,zs;fh;,SO3,,H2SO4,32050,,,,,,,:311,H2SO4;H2SO4H2O,,H2SO4H2O,,;,,312H2SO4,(550)ppm,,,,,,,,H2SO4,(25)mm,,313,4,,,10A,,G=PlgCpRlTg(D)23[1-1e0114(tld-ts)](9):G,kg/(m2h);,W/(m2);P1g,KPa;,kg/m3;Cp,kJ/(kg);Rl;D/a-Lewis;tldts,2(200,5m/s),H2SO4,H2SO4,(9)21G=PlgCpRlTg(D)23[1-1e0114(tld-ts)]d(10),=2-1,,2H2SO4H2SO4(),,,314,,,,,702008359©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,451200)::;;CCC,,,???450/750V,1(1);(2):,,50HZ,,,,,(3)(1)15:,,,,,,[1]..,2004(1)47.:,,::45120065:2008-08-07[1],,.[M].:,1994.[2].[M].:,1976.[3],.[M].:,1992.[4],.[M].:,2004.[5],.[J]..1994,4:20-22.[6],,.SO2SO3H2O[J]..1997,17(1):126-130.[7]J.M.Blanco,F.Pe-a.Increaseintheboilersperformanceintermsoftheaciddewpointtemperature:Environmentaladvantagesofreplacingfuels[J].AppliedThermalEngineering.2007.:,,::071003619137#,(610064),(610050),(071003):2008-05-26:71©1994-2009ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.