420th无烟煤锅炉的稳燃技术与稳燃措施分析

:1006-348X(2001)02-40-04420t/h(,#73510600):420t/h:,,:;;:TK227.1:BAbstract:Thepaperintroducedthesteadycombustiontechnologiesdoublepasspulverizedcoalburnersandlouvertypehor2izontaldense-thinpulverizedcoalburnersin420t/hanthracite-firedboilersinLianzhouPowerPlant,GuangDongProvince.Bytestsandrunningexperiences,measuresofsteadycombustionforlowvolatileanthracitehavebeenanlayzedanddiscussed.Theresultshaveveryimportantroleonanthracite-firedboilersdesignanditssafetyoperation.Keywords:anthracite;boiler;steadycombustion12125MW(420t/h),,,1200038HG-420/13.7-WM2,95809580mm,44450mm1CarHarQarNarSarMarMadAarVdafQar,netR90%%%%%%%%%kJ/kg%59.41.862.560.861.578.01.025.757.2217447,,,639mm,,1,:,,,23,,MFT,,,,:,,2(%)(m/s)()172226256.34537022.7551204042520012:2001-03-05:(1969-),,,©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.13(%)(%)1215.95()33.32115.968.5310.775410.72:,,,,,,,(),,,,22,,,,33,,,,;,,,3,MFT,,,,4,,,R904%,7%,,,2;(),,2;2,,4,,370,,22m/s,,142520012©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4T1,,,,9,,,300,100,,1,,,,,,,,,,,,,4T2,,570%40%,57,25%,100,1400,20%,,,45,,,100200,,2,,Vdaf10%,6%,,,,80MW44.1,,,,,,,,4.2,,,4.3,,,,,,,,,4.4,,,(20m/s),,,,2;12,2530m/s,,,4.5,,,,,2242520012©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,7080,,,4.6,2150m2,,40m2,1,,,,,,20%,,(30)4,,98%,,,SCADA/EMSSCADA/LM/DMS,,98%5,,,5%,10%(0.5%),,,,,,10%,,,610%,,,,,,,,,SCADAFTU!342520012©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.