高炉煤气系统减压阀组调节性能分析

:100225855(2006)0420036203:(1975-),,,(,050061),;;;:TH134:ATheanalysisofregulatableperformanceonthepressurereducingvalveinblastfurnacecoalgassystemLIUHui2liang(ChnanghongMetallurgicalEquipmentValvePlantofShijiazhuangCity,Shijiazhuang050061,China)Abstract:Thispaperintroducesthestructurecharacteristicandcontrollingmethodofthedecompressvalve,aswellastheanalysismethodoftheregulatableperformance.Keywords:decompreevalve;structurecharacteristic;controllingmethod;regulatableperformanceqh,m3/h()Yd,mmD,mmfP,MPaP1,MPa()P2,MPa()kK,T1,KSg1,,,,,,,,,,2,3801500m31,,(2)11,22,3,1,,23,,,,3,(3)311,,6320064©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=40700Yd2PP1KT1Sg(1)123312,Y4k=114P/P1K,,(1)1YP1(K=114)KP/P1Y112015520158811501576016062100161201622301662016394016970164960173701671801762016851001784016951501818017022001839017104001883017101000192601710313KzKrKgKfKc4Kr=015,Kg=fL/D,Kf=(2919d2/Cv)2,Kc=1Kz=Kr+Kg+Kf+Kc=015+fLD+(2919d2Cv)2+1=fLD+(2919d2Cv)2+115(2)7320064©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,1992.2.M.:,1999.3.M.:,1997.4.M:,1997.(:2006101117)(17),,4Pro/ECFDFLUENT,FWJQH45X-10,,,,,,CFD,,,,,,,,,1,,.M.,1998.2.M.:,1982.3.M.:,2004.4,.M.:,2002.(:2006104125)8320064©1994-2008ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.