DCS实现空压机加卸载控制改造

1··、、。5/1MASTERA4SLAVERB、C、D、EAMASTERB、C、D、E/。/DCS。/X3.23/X3.24/。。/②/②③②③②“”-[][]③④。MASTERDELCOS31007A1DigitalE/AMK10/8E-4R/。DELCOS3100+。2“LINE3MIN8.9bar”。LINE1MAX10.5barLINE1MIN9.5barLINE2MAX10.2bar。20141January.2014①②③④。1··LINE2MIN9.2bar=1LINE3MAX9.9barLINE3MIN8.9bar=2LINE4MAX9.6barLINE4MIN8.6bar=3LINE5MAX9.3barLINE5MIN8.3bar=41LINE1MAX≥LINE2MAX≥LINE3MAX≥...2LINE1MIN≥LINE2MIN≥LINE3MIN≥...30.2bar。。“”。。4[1K2K1K2k3k4K1+K2K4K1K3k4k!K1+K31。20.65MPa5s0.6MPa5s。30.65MPa。4/DCS/0.1MPa。/K1→K2→K3→K4→K5K1～K5A～E//。0.72MPa～0.82MPa、0.70MPa～0.80MPa、0.68MPa～0.78MPa、0.66MPa～0.76MPa、0.64MPa～0.74MPa。/K1→K2→K30.72MPa1sK10.82MPaK10.70MPa1sK20.80MPaK2。/16s/。5DCS/。6//。7J0QFA10CP101J0QFA10CP101J0QFF10CP1010.04MPa0.04MPa/。DCS/5“”。11。2551··//。3/。4/16sDELCOS310015sDCS。51s。1DCS/MASTER/MASTERSLAVER//DCS。2/。3DCSDEL－COS31004S72B1OFFON。4/DCS/AMASTER。/DCS。ZhuYanhaiXieJunWangTielinShenhuaGuohuaChenjiagangPowerCo.LtdYanchengJiangsu224631ChinaAbstract:Thispaperintroducestheloadingandunloadingcontrolprincipleofaircompressorsystem,andthetransformationschemeandlogicdesignofaircompressorloading/unloadingcontrolimplementedinDCS.Bytheloadingandunloadingcontroltransformofaircompressor,tosolvetheproblemthattheSLAVERmachinecannotbeloading/unloadingcontrolwhenthecontrolcircuitpoweroftheMASTERmachineislost,andprovidesareferenceforthesametypeofaircompressorsystemcontroldesignandlaterreformation.Keywords:DCSDistributedControlSystemLoading/Unloading;ControlTransformationD80808088088808888E20002002020020202002020202020711231325291426303215273133343556