300MW机组锅炉水冷壁卫燃带敷设实用性及经济性分析

300MW(,621709):2300MW20051120062,,,,,,,,(6%),,,,:;;;;Abstract:Sincethe2300MWunitinBashuJiangyouPowerPlantwasputintocommercialoperationinOct.2005andFeb.2006,therearesomeproblemsexistingbecausethecoalmarkethaschangedandtheactualburnedcoalisquitedifferentfromthedesigncoalorcheckedcoal,suchastheflametemperatureislow,combustionstabilizationandpartloadbehaviorarepoor,carboncontentofflyashandbottomashishigh(flyashisto6%),heatsurfaceisoverheatedwhenhigh-pressurefeedwaterheaterstops.Therefore,itisnecessarytohavetechnicalreformingonboileranditscombustionsystemforthedemandofactualcoal.Keywords:boiler;combustion;burnerband;technicalreforming;energyconservation:TM223:B:100326954(2008)062001920420067,,2.0,;,,,,(6%),,,,,,,13MW,,,,,,1025t/h,17.38Mpa540,127,92.26%,BMCR143.5t/h()24,,,(FEAFEBFECFEDFEEFEF)(FDAAFDDD)22.160%+40%(),316200812SichuanElectricPowerTechnologyVol.31,No.6Dec.,2008200122.291(),,2(200614:62:81Car%56.5948.2852.250.41Har%5.122.493.282.70Oar%8.753.625.735.07Nar%0.460.600.580.60Sar%0.550.620.540.592Mad%8.171.014.171.98Vdaf%38.7423.9530.6328.14Aar%12.4338.6927.6732.53Mar%16.15.7108.13Qnet.arkJ/kg210501890019900193204HGI/68807579BTNKVTI/1.581.721.661.705Ke3.422.343.032.81)2Mt%7.00Mad%3.00Aab%43.1Vad%13FCad%St,ad%1.5Qnet,admJ/kg16,529Nad%0.7Cad%43.8Had%1.7R90%18R200%HGIDT1160ST1250FT13203300MW60%+40%(),:Car52.2%;Sar0.54%;6%;Vf363%,,:(),,:Car43.8%;Sar1.5%;Aar43.1%;Vad13%,16529kJ/kg,,(,70),,,,,,,NOx,,,,,,:1);2)NOx;3);)316200812SichuanElectricPowerTechnologyVol.31,No.6Dec.,2008Aar27.7da0.19900kJ/kg4:021),,2),,,3)4),,5)R90=17%20%13000kj/kg,13%15%,40%60%,60%MCR6),1200021000kj/kg()42300MW,,,,(6%),,,,:1);2),,,,,,30.63%,8%18%,,;,,,,,6kJ/kg,19900kJ/kg19320kJ/kg,(40%50%),,,R90,,,,,,,(T11160);,,1000mm,21000mm27000mm,132m213,1,1.5,,5,,70,,,,,,SO2NOx,,,:10m3,()1000m3,8kWh20061.35/Nm320/m30.36/kW.h,,18.38,20066,60m36000m348kWh,895.86t,89.88,,316200812SichuanElectricPowerTechnologyVol.31,No.6Dec.,2008100012,2006,20003000m3/h260MW,,180MW5000h,2000m3,2000m3,24341.86t,795.66300MW,,,NOX,:,,1963,1986,,,2300MW(2300MW),(:2008-08-10)(18),4.2,,,,,,,,,[9]4.3,,,,,,,,5,,,,,,[1].[J].,2005,(1):74-77.[2],,,.[J].,2008(2):23-26.[3],.[J].,2007,(3):5-8.[4]MousaS,Mohsen.Treatmentandreuseofindustrialef2flients:Casestudyofathermalpowerplant[J].DESALINATION.2004,(167):75-86.[5].[M].,1997:25-35.[6],,.--[J].,2003,22(5):52-54.[7].[J].,2003,19(4):25-29.[8],,.[J].,2007,23(1):2-6.[9],,,.--[J].,2007,23(1):12-14.:(1963-),,,()316200812SichuanElectricPowerTechnologyVol.31,No.6Dec.,2008.:2008-09-1022