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W1,1,2(1.,410007;2.,410007)2W,,W,,WVdaf10%,W;;CharacteristicsPerformanceandIssuesofW-ShapedFlameBoilerHuangWei1,XiongWeili1,HuJiyuan2(1.HunanElectricPowerTestAndResearchInstitute,Changsha410007,HunanProvince;2.HunanElectricPowerSurveyandDesignInstitute,Changsha410007,HunanProvince)AbstractTwodouble2archboilerswithw2shapedflameareunderconstructinginZhuzhouandLeiyangPowerPlantsinHunanProvince.BecausethecoalrankinHunanProvinceiscomplex,andtheanthracitecoalislowingrade,andtheapplicationofdouble2archboilerwithw2shapedflameisquitedifferent,thecombustionefficiencywasnotverysatisfactory.Nowpoorgradeanthraciteisnotusedpermanentlyindouble2archboilerwithw2shapedflame.Soitisnecessarytoinvestigatethetechnologicalcharacteristic,performanceandissuesofthedouble2archboilerwithw2shapedflame.KeywordsW2shapedflame;boiler;technologicalcharacteristic;performance0,60W,W,,,W1W1.1WW,12%14%,,,,180,W,,ö()(),U(),180,,,W:,;;,2523ö2003621.2W1.2.1AEGöALSTHOMStein,AEGöSI,STEIN,4,Stein,BWE,,1.2.2BabcockEnergy,BEL,1,2,1.2.3Babcock&Wilcox,B&W,1,2,W;3,4B&W,1.2.4FosterWheeler,FW,1,2;DBC,FW,3,41,21,21,25,,,WDBC,,W,,2W2.1WW,,,,,,4,1,2:75%,25%3,4,50%,,,,,,,,Vdaf21999,,,,CompostillaÊ4,5WVdaf12%2%,,Vdaf10%18%,WVdaf10%,WVdaf12%2.2W1W31,321,21,21,213,143,4BMCRöMW925.5923.8926.3826.6ö826.0807.4831.9öm51.97543.1264239.37846.644.4öm17.3420.2426.82224.76524.76521öm38562736910014671088138420öm2306.5300441.53153403280.981.251.631.862.021.350.510.440.520.540.560.54000.330.370.650.36ö516.515252516.98ö555555555550öm1.4381.241.21.5241.5241.2ökWm-3108125.492.512210298.8ökWm-3190226.6152258205208.4ökWm-3250.2280.8236.3231.4195.6190.3öMWm-23.023.082.12.632.442.45öm15.913.613.810.212.514.4580ö38579ö44736ö40657ö62746ö38749ö36ö1040114711631120ö111811181025,1W,23523ö200363WW,,Vdaf12%2%,WVdaf10%W,:(1,2);()(1,2);;;,;(1,2);3.1,WDmin1Dmin232W31,321,21,21,213,143,4,,,,,XCL28PAX212212PAX363220484816ömm1810135105484680296296680ö-6()0()15()1050()ö%10.87.515.46.215.78ökgkg-11.170.91.880.821.580.835ö25015018216793100140öms-17.610159.925.322288m32202m48,48,16ömm22522548884,306,680,36748884ö%7.57.76.18ökgkg-10.210.190.120.310.19ö1109393100140öms-12030.911.2202019644848,4848,ömm264512517098426451251709843675114170984ö%73638358.230.784.359.5ö359342360310342(BCR),336(ECR)368öms-141.635293011()354m236;9m2184,3680,204m2442424,3680,ömm22156ö54256,2175()1100()22156ö542564090114.5,2175()1100(),2175()1100()ö%121015135710151015ö359313öms-141.64025.510ö40R75ö%1110151511(R90)6(R90)4523ö200363W%31,321,21,23,41,21,21,21,21,213,143,44049405035504243.84040604152456053505040746053Cfh1.854.020315571630205713q41.221.45.41.541.522.54,193MW(594töh),,3:;;,,,300MW,,,2,260MW(350MW),,300350MW,,,13,,,,W,32,Vdaf14.5%,Dmin250%,W,Dmin140%50%,Dmin250%,,;,15%;810mös;,3.23WCfhq4Cfh,,2W,,Vdaf(17%19%),,,,,,W,,3.3NOxWNOx4W,,NOx,,NOx,WNOx4WNOxVdafNOxNOx(O2=6%)mgm-31,2:3116.72PAX(+)14901,2:1110,154031,3214.279201,211FW+159044.1W,W(),(),,4.2W,,,,WNOx1.WR.,2001,22(6):2931(:2003205229)552003No.6HUNANELECTRICPOWERVol.23