CASS工艺自控系统的现状问题和对策研究

EQUIPMENTENVIRONMENTALENGINEERING53200806CASS,,,(,210007):CASS,CASSDO3,1,,:CASS;;DO;:X703.1:A:1672-9242(2008)03-0054-04:2007-12-03:(1981-),,,,StudyoftheCurrentStatus,Problems,andCountermeasuresoftheCASSAutomaticControlSystemYUJie,YANGLa2mei,YUZhan2huan,LIUYu(PLAUniversityofScience&Technology,Nanjing210007,China)Abstract:ThemechanismsofthedisposalofcontaminationsinCASSwereanalyzedandthecurrentautomationsystemtothecontrolofDO,sludgecircumfluenceanddrainageofCASSwaspresented.Theadvantagesanddisadvantagesofthethreetechniques,contaminationconcentrationcontrol,reactiontimecontrol,andflowcontrolwerepointedout.Itwasemphasizedthatthefirsttechniqueshouldbeusedtorealizetheautomationcontrolofthewholeprocessofwastewatertreatment,combiningwiththenewtechnologiesinsensor,communicationandautomation.Finally,theapplicationsofintelligentcontrolinthewatertreatmentprocesswereprospected.Keywords:CASS;automaticcontrolsystem;DO;intelligentcontrol,(),,,,,,,,,,,,10[1],45中国城镇水网(CyclicActivatedSludgeSystem),CASTCASP,SBR,2090[2],CASSSBR,CASS(1)1CASSTable1ApplicationinstancesofCASSprocessinChinarecentyears/(m3d-1)()3(6)1042006581042005101.510420053104200525104200436(12)104200432(4)10420039101042003610(18)10420022.5(5)1042002310420012(5)10420011310420006:CASS3:1()2()3(),,CASSSBR,,()CASS11CASSFig.1SketchmapoftheCASSreactor,,,,,,,,,,,[3],CASS,,2CASS2.1DO(DO)CASS,DO,,,55中国城镇水网[4]2.2,,,MLSS,BOD-,;,,,DO,,CASS,20%2.3CASS,CASS,,3,,,,,[2]1h,,3CASSCASS,,,CASS,DO,():(),PLCCASS3:1)[5],;2),CASS;3),,,,,,,,,,,CASS,,(COD)NH+42N;NO-32N;TP,,,DOORP,NO-32NNH+42NTPCODBOD[6],,4,65中国城镇水网[7],,,2090,,,[8],5,,,,CASS:[1].[J].,2007,26(6):1-4.[2],,.SBR[M].:,2003.[3],.[M].:,2006.[4],.(CASS)[J].,2004,24(4):7-10.[5],,.CASS[J].,2007,(3):15-37.[6],.ICA[J].,2007,23(12):11-15.[7]OhtsukiT.IntelligentControlSystembasedonBlackboardConceptforWastewaterTreatmentProcess[J].WaterScienceTechnology,l998,37(12):77-85.[8],,,.[J].,2007,33(3):6-10.(27)[9],,.[M].:,1986:29-35.[10],.[J].,2002,19(6):41-43.[11],,,.[J].,2006,28(5):757-760.[12],,.[J].,2004,25(11):501-506.[13].MATLAB[M].:,2005:64-91.[14].[M].:,2003:50-54.[15],.[M].:,2000:118-157.75中国城镇水网