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INDUSTRIALWATER&WASTEWATERVol.39No.6Dec.,2008,(,014010)1680mm20037,50t80t,、、、。1,、,。,,,,,、、。3752m3/h,1000m3/h,、500~700、20~45mg/L,、50、5mg/L,45℃,35℃,10℃。2、Ф18m,0.1mm,,。,,、、,,。Ф9m,Ф12m,2×40m2,,。,。1。3、、、。3.1,,--,。,:2008-05-13;:2008-08-15:。,--,、500~700、20~50mg/L,50、5mg/L,。。:;;;:X757;TQ085:B:%1009-2455(2008)06-0090-021(p=1.0MPa)(p=0.4MPa)(p=0.3MPa)(p=0.3MPa)·90·,。,,、,,,。,,,,,。6Ф9m,500m3/h,3000m3/h。3.2、,、、,。,。,,,。,,,。,,、、,。:(1),,。(2),、、,。(3)(≤0.05mm),(Q=5000m3/h),(0.3%)(t=10~30s)。(4),,500mg/L,30mg/L,0.2MPa,。(5),,,。(6)。,。。,。3.3、,1.0MPa()0.4MPa()。,,,,,。,。、,。,,,,,。,,,。4()4.1:1;:18m;:22.50m;:3635m3/h;:28m3/(m2·h);ρ():500~700mg/L;ρ():≤150mg/L。4.2:6;:500m3/h;:3000m3/h;:9m;:7~8m3/(m2·h)();:15min;ρ():150mg/L;ρ():≤50mg/L;ρ():20~45mg/L;ρ():≤5mg/L;:8~10mg/L;:8~10mg/L。4.3:3;;:0.1mm;:0.05m;:0.3%。53640,70%。,,30%,,:·91·INDUSTRIALWATER&WASTEWATERVol.39No.6Dec.,2008-1a,2,1b,2(1.a.;b.,410114;2.,410082),、、、、[1]。,,。:-,、、。、、。:、、。:25h,-20℃,300mL。:;;;;:X703.1:A:%1009-2455(2008)06-0092-04Influentialfactorsoffreeze-thawconditioningofsludgefromwaterpurificationplantXIEMin1a,SHIZhou2,LIUXiao-bo1b,LILing-li2(1a.CollegeofWaterConservancy;1b.CollegeofEnergyandPowerEngineering,ChangshaUniversityofScienceandTechnology,Changsha410114,China;2.DepartmentofWaterEngineeringandScience,CollegeofCivilEngineering,HunanUniversity,Changsha410082,China)Abstract:Theeffectsoftheinfluentialfactorsoffreeze-thawconditioning,includingfreezingtemperature,freezingtime,amountofsludgeandinitialsolidcontentratioonthedewaterabilityofthesludgefromwaterpurificationplantwerestudied.Thesolidcontentratioofthefiltratedsludgeincreasedwiththedecreaseoffreezingtemperature,theextensionoffreezingtimeandthereductionofsludgeamount.Theeffectsofthoseindividualfactorsaffectingsludgedewaterabilityfallsintothefollowingorder:freezingtime,freezingtemperature,sludgeamount.Theresultsofthetestindicatedthat,theoptimalcombinationconditionwas:thefreezingtimeandtemperaturewere25hand-20℃respectively,thesludgeamountwas300mL.Keywords:sludgeconditioning;freeze;thaw;infuentialfactor;waterpurificationplant!!!!!!!!!!!!!!:(08B0003);ASEMWaternet(PL510897):2008-05-16;:2008-10-13################################50%。,、、。620037,,。,ρ()50mg/L,ρ()5mg/L,。:(1970-),,,,()zhurong@beris.cn。·92·
本文标题:不锈钢卷轧机浊环水处理工程设计朱蓉
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