大型污水处理厂曝气鼓风机的电气自动控制

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:,60%,,,,:ElectromaticControlofAir-blowerinLargescaleSewageTreatmentPlantZhaoYingranAbstract:Aerationsystemistheimportantpartofthetechnologicalprocessinlargescalesewagetreatmentplant.Itspowerconsumptionwhichisoversixtypercentofthewholeelectricenergyoccupiesmorepowerinthewholeplant.Forensuringthesystemreasonableandeconomicoperating,raisingtheair2blowerelectromaticcontrolstandardshouldbeimperative.Thearticleexpoundsthedesignthoughtontheair2blowerelectromaticcontrolsystem.Startingwithcontrolandadjustmentinairblowingandflowratere2distribution,thearticlealsomakesanalysisonthemodeofautomaticoperationforsingleblowerandmulti2blowers.Keywords:air2bloweraeration2tankdissolved2oxygencontrolcabinetonsite,,;,,,,1),,,2),,,PLCPLC3)1,,,,1,1140t,,4,1000kW,10kV1,,0.4kV10kV,10kV;,410kVÉÊ(É2,Ê2),,(,)4520044©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,;,,,0.4kV,,ÉÊ,,22.1,PLC,,,,11.2.3.4.5.6.7.8.9.10.11.12.13.TSPSP1CTDPPLCPLC11,1),PLC:,;,;;,2),,,,,,,,,,3),,,,,,2a,PPLC323PLC3ö,5520044©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,,,,,,,,,,,,,,,,,,,,2.2,PLC,,PLC,,,:1),;2),;3),,;4),44,PLC,3,,,,:20042052252004516,,,,(),,,,,,,,;,,,()6520044©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.

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