反渗透系统的化学清洗郝俊果 孟繁敬(TDI,061000) :通过要分析反渗透系统化学清洗前的系统情况,确定清洗方案及过程,并通过化学清洗手段使系统性能恢复。:反渗透;化学清洗;分析;步骤:TQ028.8;TU821.4 :BChemicalcleaningofreverseosmosissystemHAOJunguo,MENGFanjing(CangzhouDahuaCorp.,TDICo.,Ltd.,Hebei061000)Abstract:Thisarticlebrieflyanalyzesthereverseosmosissystemsituationanddeterminescleaningplanandsteps.AftertheclemicalcleaningtheperformanceoftheROsystemrestores.Keywords:reverseosmosis;chemicalcleaning;analysis;step TDI,20053t,,,985,37.5t/h×2,4∶3,CPA2-8040,42,8A,CPA3-LD。A,270d,。1 系统清洗前的分析1.1 :,,37.5t/h,32t/h。:15μS/cm,50μS/cm;:0.2MPa0.38MPa;:0.1MPa0.11MPa。,A:2006-08-10:(1971-),,,,。经验交流 2006,22(9):38-40CleaningWorld 。1.2 ,1。图1 解剖的膜片1),1。,、、,。5mm。。。EDX、、、[1,2]。2),,1。表1 膜元件平膜清洗试验(72h)(72h)1RORO2(pH=2)(pH=2)3(pH=2)(pH=2)4RONaOH(pH=10.5)5(pH=2)NaOH(pH=10.5)6(pH=2)NaOH(pH=10.5) ,、、。2。:A,。1.3 ,,。图2 小试膜片2 反渗透清洗系统1):Q=40m3/h,H=40mH2O,1,316L。2):V=1.5m3,1,:。3):V=40m2/h,1,:316L。4):DN65,:316L。5)。3 化学清洗方案及清洗步骤3.1 2。表2 化学清洗方案1.,1.5%(pH=2~2.5),RO1.1h2.1h3.1h4.6~9m3/h。pH,pH2.NaOH,0.05%pH=10.5~11.0,RO1.0.5h2.1h3.0.5h4.1h3.2 1),1。NaOH。·39·22.:120kgNaOH:10kg2)()。3),,,。4)。5)3。。3.3 1)8:30,:1.5%(pH2.0~2.5),。2)9:00,(1h)RO,24~35m3/h。3)10:00,RO。4)10:10,1.5%(pH2.0~2.5)。5)11:00(1h)RO,18~27m3/h。6)12:00,RO,。7)13:00,。8)13:30(2h)RO24~35m3/h。9)14:30,RO,。10)15:00。11)15:30(1h)RO。12)16:40,,、。13)8:00,1h,。14)8:30,,,、,。4 效果及结论,,,,,,,37.5t/h,18μS/cm,,0.22MPa。[1] [Z].[2] ,.[M].:,2000.(34)3.6 。,,,,,,。。,,(),,。,,。[1] LiaoZhenfangDesignfactorsonelectrohydraulicpulsedfocuswaterjetgenerator[A].ProceedingsonwaterjetinBeijin[C].Beijing,1987.44-48.[2] .[J].,1987,(6):141-150.[3] .[J].,1990,(1):7-10.[4] .[J].,2000,16(3):28-30.[5] ЮткинЛА.ЭлектрогидравлическийЭффектиегоПримениевПромышленности[M].Машиностроение,1986.()·40·9