引进型300MW汽轮机组出力不足计算研究

:1006-155X(1999)06-070-04300MW1,1,2(11,510600;21,510600):300MW,,,,,45,.:;;:TK262:A,19809,300MW600MW.,,,.,300MW,.,,,,.300MW.1,,,.22.1VWO(),VWO,1.1VWOMWt/hkJ/(kWh)293.53009359358315.58109.0VWO305.0313962.79768194.21,.,,0.007MPa.0.007MPa,,302.1MW961.9t/h,300MW.2.2,(0.007MPa0.0049MPa).,,.2.,,((F-Fd)/Fd-8.5%20%),.,,,,,,.:1998-12-24:(1969-),,,,.326199912J.WuhanUniv.ofHydr.&Elec.Eng.Vol.32No.6Dec.1999©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2Cal.1Cal.2Cal.3Cal.4Cal.5Cal.6Cal.7Cal.8Cal.9Cal.10(F-Fd)/Fd(%)/th-1/kW/kJ(kWh)-1/MPa()/MW/MW/MW/MW(%)(%)(%)(%)-8.5941.0295.1830412.07493.916.7576.4781.79125.974.4190.9891.2390.620.0961.9301.1829312.41497.815.4579.4183.52128.774.1491.1091.3590.342.3968.9303.2829212.44498.315.3080.0883.86130.073.7191.0891.3190.435.0976.1305.0828512.52499.115.0680.3785.04130.674.1791.1091.3790.4310.0984.6307.6828312.66500.814.4881.7485.17132.374.4190.9891.2390.6215.0987.7308.2827112.84502.713.7382.3785.48132.875.0191.0691.3490.7220.0994.5310.5826812.87503.313.5183.1785.96134.074.5791.0591.3690.790.0962.7305.0819412.41497.815.4979.4783.57132.574.2691.1091.3689.215.0977.5309.1818712.52499.115.1480.4885.16134.474.5091.0991.3789.1910.0985.8311.4817912.67500.814.5481.4285.81135.874.8991.0991.3589.41:(1)Cal.1Cal.70.0070MPa,Cal.8Cal.100.0064MPa;(2)Fd,F.,,,10%,500.,500.,10%.2.3,(,),().,,.1.00.97,3.,A,BCD,EFGH.,Ne,Q0,(Ne-NeA)/NeA0.0%4.7%,(Q0-Q0A)/Q0A0.0%3.71%,..4,.,.3ABCDEFGH/MW11.6010.468.588.2310.469.548.898.58/MW79.5479.2177.6677.1179.9578.2777.2575.96/MW86.2584.7282.3680.1686.1485.7483.8080.60/MW126.57125.39124.31124.11126.36126.70127.38124.85/MW298.06293.95287.23283.97297.02294.41291.55284.36(%)69.6168.1165.5364.8468.1166.9666.0065.53(%)91.0989.3887.6385.9289.3787.6585.9585.94(%)91.3689.5687.7285.9291.3691.6789.5485.56(%)90.2788.8987.8086.7590.2690.4890.5887.85/kJ(kWh)-18495.48594.28716.98811.18513.08535.98599.78787.2::A-1.001.001.00,B-0.990.990.99,C-0.980.980.98,D-0.970.970.97,E-0.991.001.00,F-0.981.001.00,G-0.970.991.00,H-0.970.970.98.,.6:300MW71©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4/MPa/MPa/MPaA12.6986.4042.579B13.1856.7312.732::A-1.001.001.00,B-0.970.991.0;.2.40.75mm0.50mm.0.1mm0.2mm,,5.,0.1mm0.2mm,0.81%1.61%,0.72%1.41%.,.5/MW/MW/MW/MW/MWA8.8977.2583.80127.38291.55B8.8977.0983.85125.10289.19C8.8976.9482.96123.74286.85(%)(%)(%)(%)/kJ(kWh)-1A66.0085.9589.5490.588599.7B66.0085.9489.5490.168661.9C66.0085.9389.5190.098721.0::A-0.75mm,0.5mm;B-0.85mm,0.6mm;C-0.95mm,0.7mm3(1),104.4%,4.4%,10%.,5%,.(2).VWO,313MW976t/h,.305.0MW962.7t/h,.(3),.517184.6mm2,8.9%..(4),.,45(),.4,,,45.:(1).,520432.15mm2,8.3%;420616.44mm2,109.3%(2),.(3),.(4),.,,54VWO310.6MW311.1MW,721999©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved...5,300MW,.,(10%),45,.:[1].[M].:,1998.[2].[M].:,1991.Calculationandresearchonundercapacityofimportedtype300MWsteamturbineunitsKANWei2min1,ZHANGJun2jie1,ZHUHong2bo2(1.GuangdongProvincialExperimentalResearchInstituteofElectricPower,Guangzhou510600,China;2.GuangdongProvincialBureauofElectricPowerIndustry,Guangzhou510600,China)Abstract:Computationalanalysesinviewoftheundercapacityproblemofimportedtype300MWsteamturbo2unitsareconductedbysimultaneouslysolvingtheneo2threedimensionalflowfieldequationsoftheturbinebladingandtheheatbalanceequationsofthethermalsystem.Onthisbasisandincombinationwithon2sitediagnostictestingandmeasure2ment,thecausesoftheproblemarefoundoutandmodificationmeasuresareproposed.TheimplementationresultsonsteamturbinesNo.4andNo.5oftheShajiaoPowerPlantshowthatthemeasuresaresuccessful.Keywords:undercapacity;calculationandanalysis;steamturbo2unit6:300MW73©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.