给水厂投药系统技术改造及应用王慧娟

1121．8300472．＜＞830082、、22%34/a。TU991C1000－4602201124－0079－03TechnicalReconstructionandApplicationofChemicalDosingSysteminWaterSupplyPlantWANGHui-juan1LIJin-hui1YINXiao-tao21．SchoolofCivilEngineeringXinjiangUniversityUrumqi830047China2．ShidunzishanWaterSupplyPlantXinjiangUrbanConstruction＜Group＞Co．Ltd．Urumqi830082ChinaAbstractInordertosolveproblemsofchemicaldosingsysteminwatersupplyplantsuchaspoormixingandflocculationeffectlowautomationandlargechemicaldosagethetechnicalreconstruc-tionofchemicaldosingsystemwasperformedandpolymericferricsulfatewasreplacedbypolymericalu-minumferricchloride．Theautomationlevelisimprovedthechemicalconsumptionisreducedby22%thechemicalcostof340000yuanissavedannuallyandthelaborintensityisreduced．KeywordschemicaldosingsystemcoagulanttechnicalreconstructionXY080138198519871997。2～10NTU8000NTU。19978×104m3/d→→→→→。①、。。②。。、。。③。＞1．5NTU·97·2724201112CHINAWATER＆WASTEWATERVol．27No．24Dec．201110%。22.1。3。2.2。1．5m。。2.3。、。3“”1。1Fig．1Flowchartofwatertreatmentprocessafterrenovation、、。1。3.1。。。、。。、①、。。②PAM。PAM。3.22D=1200mmL=4．0mv=1．05m/s6kPa8～10s＞90%。。。//。3.3·08·2724．watergasheat．comPAFCPAC。。PAC、。。44.1。4.2。1。1、Tab．1Averageconsumptionofcoagulantbeforeandafterrenovation123456789101112/NTU8．16．32．33．912．681．7306．653．820．58．410．65．3/g·m－37．45．31．22．312．731．453．032．221．514．611．82．1/NTU2．21．71．21．72．98．788．1105．019．411．113．04．3/g·m－31．30．60．42．16．439．338．819．511．115．012．25．9116．3g/m312．7g/m31∶322%。。4.34．2g/m3154t/a2200/t34/a。5、。、16．3g/m312．7g/m322%34/a。4～51～4℃。5～10NTU。。[e-mail]2011－06－28·18·．watergasheat．com2724