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当前位置:首页 > 商业/管理/HR > 质量控制/管理 > 不锈钢冷轧废水处理生产运行分析唐志龙
1,((),735100)[]、、,。[];;[]TF085[]B[]1005-829X(2009)08-0093-02Analysisofthetreatmentprocessesofwastewaterfromcold-rolledstainlesssteelproductionTangZhilong,LuoYudun(PowerFactoryofJiuquanIron&Steel(Group)Co.,Jiayuguan735100,China)Abstract:Thechemicalandphysical-chemicaltreatmentprocessesusedfortreatingdifferentkindsofwastewatercontainingheavymetals,acidandoilinJiuquanIron&SteelCo.arereviewed.Theexistingproblemsinproductionrunningandtheirsolutionsaresummarized.Keywords:wastewatercontainingheavymetals;flocculation;floatation53t/a,、、,————、[1]。150m3/h,25m3/h,25m3/h。1。29820098IndustrialWaterTreatmentVol.29No.8Aug.,2009()HFHNO3SSH2SO4≤9940≤5060≤12200≤7.8≤2800≤330≤620≤2800≤12400≤265≤18501,,《》(GB13456—1992)《》(GB8978—1996)。21。,pH10.0~10.5,,pH;、,,-、-(),、。pH。、,。pH,pH,,,pH,pH,Fe2+:mg/L;20%Cr6+。93——2009-08,29(8)2009-08,29(8)Fe3+;。Cr6+,,pHCr6+Cr3+,Cr6+≤0.5mg/L。,。pH,,,SS。,。320086,,200962。44.1pH,pH;,,pH。pH10.0~10.5。4.2PAC、PAMPAM(≥1000)(PAC)。PAM6.4mg/L,PAC92mg/L。70mg/L,,。4.3300μm、CaO>90%。、、、、、。(1)。1000kg/h,1500kg/h。,>10%,。,860~930kg/h,10~12m3/h,>40℃,pH。(2)。1a,,。,:。,,,。,,。。,。,,。,,。,。4.4,。12pHCr6+SSCODPNiF8.510.3349.40.978.5741.790.0650.1940.399.186~9≤0.570515100Ni1.0≤1.510:pH,mg/L。94———————————————————————————————————————————————,1.5m70mg/L。5————,37/t。:8.9/t、0.27/t、PAC15/t、PAM0.93/t、NaOH2.5/t、HCl0.24/t、9.2/t。[][1].[M].:,2003:66-131.[](1971—),1992,2004,。[]2009-05-05()((),735100)[]。——,50mg/L、5mg/L,。。[];;[]TQ085+.4[]B[]1005-829X(2009)08-0095-03PreliminarydiscussiononthetreatmenttechnologyofJISCOstainlesssteelhotrollingturbidcirculatingwaterZhangZhaobin(PowerPlantofJiuquanIronandSteel(Group)Co.,Ltd.,Jiayuguan735100,China)Abstract:ThetreatmenttechnologyofhotrollingturbidcirculatingwaterinJiuquanIron&SteelCo.(JISCO)isintroduced.Bymeansofcomparison,thetreatmentprocessofswirlsedimentationtanks-chemicaloilremoval-spacechangingself-cleaningfilterhasbeenselectedandused.Afterthetreatmentthewaterqualityoftheturbidcirculatingwatermeetstheprocessrequirements,whenthemassconcentrationofthesuspendedsubstancesis50mg/L,andmassconcentrationofoilis5mg/L.ThisprocesshasplayedakeyroleinJISCOstainlesssteelhotrollingcirculatingturbidwatertreatmentsystem.Keywords:hotrolling;watertreatment;sedimentation1680mm20037,50t80t,、、、。1,、,,,,,,,、、〔1〕。3752m3/h,1000m3/h,500~700mg/L,20~45mg/L,50mg/L,5mg/L,45℃,35℃,10℃。29820098IndustrialWaterTreatmentVol.29No.8Aug.,200995——
本文标题:不锈钢冷轧废水处理生产运行分析唐志龙
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