引进型300MW汽轮机高压缸改造及效果

:2003203228:(19632),,,,300MW,(,150001):300MW,1,87.15%:300MW;;;:TK263.1:A:100125884(2003)0320145202TheRebuildingof300MWHPTurbineAndEfficiencyLIDian2cheng,WANGZhong2qi(HarbinInstituteofTechnology,Harbin150001,china)Abstract:Harbinturbinecompanyhasrebuiltits300MWHP.turbinewith3dimensionmethod.Theinletpipe,thecon2trolstagesealingandIPcoolingsteamstructurewereimproved.Afterrebuilt,thetestedHPefficiencyofXIBAIPOunit1is87.15%,whichisbestlevelinthe300MWclassturbines.Keywords:300MWturbine;HPturbine;rebuild;efficiency0300MW2080300MW600MW[1],900mm,,,,[2-3]1300MW1.1,,,1.2,,,,6,,12.9%2.35t/h,,,3.2kJ/kg,529kW10kJ/(kWh)(1)1300MW,0,,,13,5,,21.6%1.31,2.5mm453Vol.45No.320036TURBINETECHNOLOGYJun.2003©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.300MW,11(73),mm1100,mm2.50.7512,mm929,mm2.50.75220.241.4,,,1.5300MW,,,300MW(73B),,,,,,2300MW2.11,,,,0.75mm;1[4]23.75215VWO5VWO6VWO6VWOMW293.3300.2318.8322.4%79.883.780.884.42.21(73#)300MW,1995,,,,2002,,11,,300MW(73B)2002123199531199520021995.52002.125VWO6VWO5VWO6VWO()78.8179.9384.185.33()84.1185.3886.0587.15()5.295.4()1.941.77,,,,:(1),565.295.40,(2),,561.941.77(3)5.35,1.86,3.493300MW1.86,,3.49,5.35,6()87.15%1,300MW,,[1].600MW300MW[J].,1993,13(1)[2].300MW[C].,,2001:286292[3],.300MW[J].,1999,(4):1215[4].1[R].200264145©1995-2003TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.