离心空压机喘振与控制

2013－12－1160。714500、。、“”。。。TK3B1000－0682201402－0099－03ThesurgeandcontrolofcentrifugalcompressorLIHailiangWeinanShaanguGasCo.Ltd.ShaanxiWeinan714500ChinaAbstractBecauseofthesimplestructureofcentrifugalaircompressorlargedisplacementhighef-ficiencynowwidelyusedinmetallurgychemicalindustryandairseparationetc．Butthecentrifugalaircompressorintheprocessofoperationthegaspressureflowandtemperaturesensitivepronetosurgephenomenon．Centrifugalcompressorsurgehasgreatharmfulnesscompressordamageisoneofthemainreasons．Ｒesearchandpreventthehappeningofthesurgethereforetounderstandandmasterthemechanismofsurgetakeeffectivecontrolmeasurestoavoidtheoccurrenceofsurgeisanimportanttaskincentrifugalaircompressorcontrol．Keywordscentrifugalcompressorsurgecontrol1、、、、6。。。。。6024、。6．4kPa。1．6kPa4．3kPa6．4kPa。“”。。。“”。。·99·20142。。“”。。。2、、、Q。1。P2P1。1n1＞n2＞n3。。。。。。。。。P2P1=KQ12T1+a1P1、P2Q1T1K、a。1P2/P1Q1Q1。。3。PIDQ＞Q。。3．1。Qmin。Q=Q+S。QS。2Q。。。Q＞Q·001·20142。。23．2。。。。1。。。4。。。1．3CJ．2013377－81．2．J．2012562－63．92SFC14DPＲD_DATSFC15DPWＲ_DAT。5。534、、。3。PＲOFIBUSMM440。。。1．ProfibusJ．2012658－61．2．Profibus－DPJ．2011133．3．PLCM．2011．4．M．2009．5．M．2008．6．Profibus－DPJ．2010324184．·101·20142