电动阀门关闭力矩参数设定的研究

:100225855(2008)0320039202:(1941-),,,,(,246001);;:TH134:AStudyofclosingmomentforelectricallyactuatedvalvesWANGZu2hui(AnqingPetrifactionPlant,Anqing246001,China)Abstract:Thereexistsoftenthephenomenonofimpreciseclosingforelectricallyactuatedwedgetypeofgatevalvesandglobevalvesintheirapplications,whichhasbroughtdifficultyandbothertoendusersandvalveoperators,andalsoshortenthelife2spanbadlyofvalves.Thereasonforthisisthatthecontrolsystemofexistingelectricactuatorscouldnotensuretheclosingmomentofvalves,i.e.couldntsatisfycontrolrequirementforthevalveswithmomentcontrol.Thistextbringsforwardtheproposalofimprovementforthecontrolsystemofelectricactuatorsandmeasuresofeliminatingthephenomenonofimpreciseclosing.Keywords:electricallyactuatedvalves;controlsystem;closingmoment1,,,(),,2,,,,,,,,,,,,,,3,,311,,,9320083(),,,,,,,,,,,,313,,,,,,,,,4411,,ABA,,B,,(),,AAABBABB,,,,412,,,,,,5,,,,1.M.:,1992.(:2007112117)0420083