煤耗高的原因分析和降低煤耗的建议

,,(,301900):,,,:;;:TK227.1:A:100329171(2007)220105204AnalysisoftheCausesofHighCoalConsumptionandRecommendationsQiQuan2you,LiangXue2bin,WangShu2wei(TianjinGuohuaPanshanPowerGenerationCo.Ltd.,Jixian301900,China)Abstract:Energy2savingandconsumption2reducingisasignificantmeasureforthestatesustainabledevelopmentstrategy,andreducingcoalconsumptionpowersupplyforisaratherimportantissueforthermalpowerplantstosavecostsandreinforcetheirmarketcompetitivestrength.HighcoalconsumptionsituationofpowersupplyinGuohuaPanshanPowerGenerationCo.Ltd.wasanalyzedfromtheperspectiveofsteamturbine.Meanwhile,recommendationsofreducingcoalconsumptionwerepresentedbasedontheconditionoftheequipment.Keywords:coalconsumption;heatconsumption;efficiency1,300MW7823kJökWh,600MW7795kJökWh,600MW7523kJökWh500MW8146kJökWh,,600MW300MW200088356kJökWh,83.39%,90.06%75.58%87%93%88%500MW,,,,264kJökWh,9.88gökWh,30MW,,,,7885kJökWh,264kJökWh,20MW,2,1%,7.1gökWhK250022402446.25%,:150122007NORTHCHINAELECTRICPOWER42.52%,240.96%11%20022003200420052006143.55943.34743.23642.86242.017243.72843.57743.57643.16041.971,,:;()3,22ö%ö(gkWh-1)ö(kJkWh-1)7796100-(+)0.6+(-)4.26öMPa241+(-)0.22-(+)1.56ö5401+(-)0.0097-(+)0.068ö5401+(-)0.0089-(+)0.0637öMPa3.511+(-)0.21-(+)1.491ö2671+(-)0.0014-(+)0.11ö%94.51+(-)0.352-(+)2.5ö%21-(+)0.33+(-)2.34ö(kgkWh-1)3.060.01+(-)0.11+(-)0.77ö20()1-(+)0.12+(-)0.85ö301-(+)0.12+(-)0.85ö4.56.51-(+)0.13+(-)0.9444.1K25002242494.5%,1%,2.5gökWh:193.54%;292.94%,,,,4.27796kJökWh,100kJökWh,4.26gökWh3:3kJökWh1218386.418412.8928748.248237.2839302.298928.3348476.718397.0858548.698327.7968853.018796.0878466.218789.94,MIS,4.2.1(1)12,0.60MPa,0.540.56MPa,,(2)13,3,3,,3A,,,,41212,(1)26601NORTHCHINAELECTRICPOWER22007,21.5,(2),,,(3)74%,(4),50,,4.3K2500224024267:1242.5,2241.4(310MW)1,1.31.526,,4.423.54MPa,540;5402006174:4200617öMPa12ö12ö12123.7123.83541.01540.09539.23539.66223.6823.8540.52539.17539.18539.17323.6623.82540.37540.2540.85538.82423.6723.81539.46538.92540.23538.27523.6323.78539.75539.3540.7538.37623.6823.78539.31539.93540.49538.47723.6723.82538.75539.34540.27538.59,313.53MPa,,23.47MPa,0.04MPa,4.5551ö2ö115.322(C,)317.516.41,1315.6317.3917.7816.93,13420.13525.06628.4624.55,2320.7626.2928.8225.29,23729.52830.22281,0.8520052006,MIS,,510,4.6K25002240242.0%20061266200612%1210.851.321.1121.821.331.3830.771.641.2140.621.300.9751.121.131.1360.941.151.0470.741.020.89MIS,,,,,4.7K25002240244.56.520061270122007NORTHCHINAELECTRICPOWER72006121214.983.525.973.8635.423.3545.533.655.483.564.962.8475.012.9612,12,,200620051,0.94g1,,1,1,1,4.823.6%60%,30000kWhöa,0.23%,,,3,67200kWhöa3:2800kWh24h60=4032000kWh34(),34,,5,,,300kJökWh,11gökWh;,70töh,,,,(1),(2)(3)(4),(5)1248.99%,54.12%5.11%,1.44gökWh,10töh,56.72töh,3.68töh,0.51gökWh1.95gökWh,(6),4,,,,,300kJökWh,11gökWh;,,;,6(1)20001,,;;,(2)(125)801NORTHCHINAELECTRICPOWER22007313,,;,(),,,,,15mm,m215(),12mm,m212,,M8,,,(3)3PTS:15161718(37.641m)(28.237.6m);500mm;151850m2,44PTS4200692C2007251A2815161718PTS,(1512m),,,,,,(5),,5PTS90:2007208227:(1974),,,(108)(3),,(4)MIS,[1],..:,2006.:2007210216:(1968-),,,,52122007NORTHCHINAELECTRICPOWER