OptimizationofindustrialwastewatertreatmentsysteminHuanengDandongPowerPlantZhouMin’ai1,JiaYuping2,TianWenhua2,HeHuiyong2,HuangBo2(1.DandongPowerPlantofHuanengPowerInternationalInc.,Dandong118300,China;2.Xi’anThermalPowerResearchInstituteCo.,Ltd.,Xi’an710032,China)1,2,2,2,2(1.,118300;2.,710032)[]10。,、、,《》,、、、,。[];;[]X703.1[]A[]1005-829X(2010)10-0081-03Abstract:Completedfortenyears,theindustrialwastewatertreatmentsystemofHuanengDandongPowerPlanthasnotbeenfullyoperatedformanyreasons.Inordertosaveenergyandreducepollutantemission,theindustrialwastewatertreatmentsystemwasoptimizedfromaspectsoftreatmentequipment,on-linemonitoringsystem,opera-tionmodeandsecurity.Aftertheoptimization,thequalityofdischargedwatermeetsthefirstclassofIntegratedWastewaterDischargeStandard.Moreover,thetreatmentsystembecomesmoreshortandeconomic,andcanbeop-eratedmoreeasilyandsafely.Thereforetheoptimizationworkissuccessful.Keywords:wastewatertreatment;optimization;coagulationandclarification,2350MW。GraverWater,10,。,,。1,,。:。53t/h,55t/h。:pH6~9,COD≤100mg/L,≤100mg/L。1.1:(1);(2);(3)。pH,。,,,pH2~3,,10mg/L,。1.2:(1);(2);(3)。pH,。,,pH7~9,,,3010201010IndustrialWaterTreatmentVol.30No.10Oct.,201081--2010-10,30(10)130NTU,。2,、、。10,,。、、。(1)。。、,。,,。(2)。2,,,,,。(3)。、,。PLC,,。,,。,,。,,,。,,、、。、1、2。33.1,。,。、、,,。(1)。,,,pH2.1~2.5,,。,pH,。,0.22g/L,1t30%NaOH0.7L。(2)。,,,,82--2010-10,30(10)[](1966—),1989,,。:13942588853,E-mail:zma6789@126.com。[]2010-04-15()。,,,,。,,、,10~50mg/L0.2~2.0mg/L。,,。1。1,,≤10NTU,。,。11mg/L,0.5mg/L,1NTU,。,:11mg/L,0.5mg/L。3.2,pH,COD。pH,COD。,pH2~37.5~8.5,108mg/L9mg/L,92%;COD72mg/L20mg/L,73%,《》。4,1t。、3。(1)。2。2,1t〔(0.0275+0.0080)×55+0.6600×53〕÷(55+53)=0.3420。(2)。70.79kW,0.35/(kW·h),1t:70.79×0.35÷(55+53)=0.2294。(3)。1000/,1t:1000÷30÷8÷(55+53)=0.0386。,1t3,0.62。,,3h,:0.62×108×3×365=7.33,,。,,,。,,,,。,,2350MW80m3/h,,80m3/h,5500h,44t,。,(),。5,,11mg/L0.5mg/L,0.22g/L。pH6~9,≤5NTU,108mg/L9mg/L,92%;COD72mg/L20mg/L,73%,《》,。1/(mg·L-1)/(mg·L-1)/NTU34.11.367.022.70.915.811.40.451.111.40.231.32/(·t-1)/(mg·L-1)/L/()2500110.0110.0275()16000.50.0050.0080(30%NaOH)10002200.660.6600,:83--