PLC系统在污水处理装置上的应用

47420118AUTOMATIONINPETRO2CHEMICALINDUSTRYVol.47,No.4August,2011:2011-05-16:(1971),,,1994,,,,6,PLC(,125001):,,,,PLC,,PLC,PLC,,:;;;:TP273:B:1007-7304(2011)04-0030-04ApplicationofPLCSysteminSewageDisposalUnitLiMeng(HuludaoDesignInstituteofNorth2eastPetrochemicalEng.Co.Ltd.,CNPC,Huludao,125001,China)Abstract:Contraposingtothefeatureofmuchmorelogicsignals,andlessanalogsignalsinsewagedisposalprocess,logicalsequencecontrolservesasthemainfunction,andsupportedwithclosedloopcontrol,PLCiswidelyusedinsewagedisposalfield.Astheexampleofsewagerecyclingdisposalunit,thesewagedisposalprocessflowchartisdescribedfirst,andthentheconfiguration,controlmodeofPLC,andthemainfunctionofthecontrolsystemconsistingofPLCcontrolstationanduppercontrolstationareemphasized.Thesystemimprovestheequipmentautomationcontrollevelinfullscale,andcansolvetheproblemsoflowefficiencyduringsewagedisposalprocess,andunstablewaterqualityattheoutlet.Keywords:wastewatertreatment;PLC;gasflotationfiltrationpool;recyclingtreatment0,7Mt/a,,51,150,,COD,2010COD124t,340t,201016001,100t/h,,,102,,a),,,b),,880kt/a,,,c),,,,d),,,,,,,,,,,,,2[1],,BOD1mg/L,0.1mg/L,,,,,DAFF,1[2]12.1,400,,2.2,,(),,95%,;:;();;;,,:()134.PLC,,,33.1,[3-4]3.2PLC:22a)PLC[5]PLC[6],(),GE90-30[7]PLC,PLC15%,b),,Dell,,,,,PLC,c)PLCOPC[8],3.33.3.1,,,a),,PAC,b)TSS(),,SS,,,,c)[9](,),(),(),(),,,,PLC,3.3.2,[10],,2347,,PLC,,,3.3.3UF()RO(),,,UFRO3.3.4,:,MCC,/;:,,/;:,,PLC,,4,,,,,:[1],,.[M].:,2006.[2],.[M].:,2003.[3],,.[M].3.:,2000.[4].[M].:,2009.[5].HG/T20700-2000[S].:,2001.[6].SH30051999[S].:,1999.[7].[M].:,2010.[8].OPC[J].,2007,(6):59-61.[9]SKOUSENPL.[M].,.:,2006.[10],,,.[M].:,2005.ES2PLC20117,PROPAKCHINA,ES2PLC17(PROPAKCHINA2011),ES2PLC,,,,,PLC16K,,,Ó::16/24/32/40/60,272Ó:16K,Ó:0.54s,,Ó:8(16bit),EX(4AI/2AO),Ó:3(1RS-2322RS-485),Master,Ó:2()(100kHz)2()(100kHz),,,,,!334.PLC