电镀漂洗水线内循环集成设备工艺控制与运行试验杨欣

518052PLC。20306．9mg/L50μS/cm120～260μS/cm。。X703C1000－4602201401－0090－04ProcessControlandOperatingExperimentofIntegratedOnlineCirculationEquipmentforElectroplatingＲinseWastewaterYANGXinShenzhenJindalaiEnvironmentalProtectionCo．Ltd．Shenzhen518052ChinaAbstractAnintegratedonlinecirculationequipmentforelectroplatingrinsewastewaterwasdevel-opedandmatchedwithhigh-functionalPLCprogramtooptimizethewholeprocess．Theequipmentin-cludescleaningandconcentratingsystems．Thehighestandlowestelectricconductivityofwaterinrinsetankcouldbesettoachieveautomaticstartupandshutdowncontrolthemake-upwaterandassurewaterqualityinrinsetank．Duringoperatingexperimentwastewaterwascontinuouslyconcentrateduntilthenickelcontentachieved20306．9mg/Lwhileelectricconductivityofcleanmake-upwaterwasalwaysbelow50μS/cm．Theelectricconductivityofwaterinrinsetankwasmaintainedat120to260μS/cmandheavymetalaccumulationinthewaterdidnotoccur．Thisprocesscouldbeusedforrenovatingolde-lectroplatingproductionprocessesandonlinecirculationofelectroplatingrinsewastewaterinnewly-builtelectroplatingproductionlines．Keywordselectroplatingrinsewastewaterintegratedequipmentprocessoptimizationre-coveryofheavymetalsconductivitycontrol20092009GJC50020。、1。4×108t、5×104t3000×104m32。。、3。·09·30120141CHINAWATEＲ＆WASTEWATEＲVol．30No．1Jan．2014、、、、4。、。。、、。150～60g/L、COD1642．4mg/L、30．4mS/cm、pH5．61。“”。5SWＲO6．5MPa99．5%Ni9496mg/LNi11．93mg/L。ＲO225PSI1．5MPaNi10g/L25．1mg/L588μS/cm。Ni20g/L。。《》HB5472—91≤833μS/cm、pH5．5～8．5。≤260μS/cm、pH6．0～8．0。21、、。1Fig．1Flowchartofprocess。。。33.1PLC。①。、。②。、。③。。④。、。。。、“”“”“”。3.2①。、·19·．watergasheat．com301。。。②。。。。。。3.3、、。。“”。“”、。4、。65d。220μS/cm、120μS/cm。120μS/cm。2～4。2、Fig．2Conductivityofcleaningtankandinfluenttankduringcontinuousoperation3、Fig．3Niconcentrationofinfluentandproductionwaterduringcontinuousoperation4Fig．4Niconcentrationandconductivityofconcentratewaterduringcontinuousoperation2、3、120～260μS/cm。Ni6～30mg/L123μS/cm574μS/cm0～50μS/cmNi0～0．15mg/L100～200μS/cm。4Ni。26500μS/cm20306．9mg/L。5①PLCNi20g/L120～260μS/cm《》HB5472—91·29·301．watergasheat．com。②。、、。③NiNi。④5．89kW·h/t0．70/kW·h4．12/t0．80/t。2/t1t1．032．30/t2．25/t1t0．66。1．A．C．2004．2．J．200518－935．3．M．1986．4．J．2010378142－144．5．J．2007401275－76．1985－。[e-mail]2013－07－12··GOTSimpleGOTSimple、。GOTSimple、、USB、SD。GOTSimpleFAFXFX－PLCFAPLC。GOTSimple、、、。＜＞·39·．watergasheat．com301