污水处理厂的自动控制系统及功能

20013Mar.200131GOLDJOURNALVol13No11()(),PLC.,,PLC,.TP29,.,.,,,,,..1,,1.12,,,.211,:..PLC,.DCS.:PLCPLC.PLC,PLC,PLCPLC,.212.()().,:(1);(2),,.(3),2000-1-041:,40,.,;(4).PLC,:,;;,;,PLC,,.,,:,,,,,,.2.23PLC311PLC.(H=10cm)(T=5min).PLC.PLC,,,,.312PLC,,.,.,,,,..,,..313PLC.,.,,A/OAB,,.,.314PLCPLC,.,.,..,,,.315PLCPLC:.PLC,,PLC..,.,.316PLC351:,()(),..PLC.317PLCPLC.,.,.,.4,,,,,,.1..,2000,26(6):75782..,1999,25(10):72743..,2000,26(8):73764,,..,1998,24(1):5657TheAutomaticControlSystemandFunctionofWasteTreatmentPlantMaXuewen,LiYafeng,WangHongweiABSTRACTTheautomaticcontrolprinciple,thecomponentandstructureofthecontrolsystemonwastetreatmentplantareproduced.Combiningwiththewastetreatmenttechnology,thefunctionsofeachtechnologyunitPLCareexplained.KEYWORDSwastetreatment,automaticcontrol,PLC,function.(ReceivedJanuary4,2001)453