旋流沉砂池在上海白龙港污水处理厂的应用

2001825:Á7000PISTA,:ApplicationofGritChamberwithRotationalFlowinBailonggangSewagePretreatmentWorks,ShanghaiLongGan,YanZhenbang&ZhaoHuaAbstract:BasedontheapplicationofÁ7000PISTArotationalflowgritchamberinthePretreat2mentWorksinShanghaiSewerageProject(P.),descriptionisgivenofthemechanismofgritsedi2mentinthiskindofchamber,includingitsdesign,applicationandfurtherimprovementwhenusedinlargesewagetreatmentworks.KeyWords:sewagetreatment;sedimentbyrotationalflow;sedimentbyaeration;centrifugalforce;wallingeffect;efficiencyofgritremoval11-1,,,,,,:Smith&LovelessIncJones&AttwoodIncJohnMeu2nierIncDormargEquipmentInc0()1)2)3)4)5)6)7)8)9)10)11)12)1-2,,62,,,,,,,,,,,,(,,,,,,),,,,,,,,,,,,,,,360,360,,,,:1),,,,,,,,2),,,,,,,3)2.650.1mm(0.2mm),1.0m/s1min,210m,3m;,13m,2m34,1015min22-1,,,,40KM,150ha,0.41ha11(t/d)172(t/d)223(t/d)103(t/d)256BOD5(mg/l)112COD(mg/l)248ss(mg/l)175NH32N(mg/l)25(mg/l)4.2:816,8,72,,,,675KW2-2,,:,8Pista70(3.067m3/s),24.536m3/s,(19.92m3/s),,8,,,,,,,,:1),22(mm)0.350.250.200.150.10(%)9592908575(%)928095420822),,,Turbo,,1h,24h3,,10min,0.60,150381.567581581.2280.7581.521.5162.4(kw)138522.6(kw)17.26303.03()151,1982,654,499(0.6/)90,7181,592,6993),,4),,,,,,,,,,,,,,5),16,,,(),(),,6),1300Pista,5007),,,,,,,,,,,,92,,8),,,,2-31)1999,,50100,79m3,;;,,,,2),10mm,,,,,,,,,,,,,3):8mm,6mm,8mm,,,,,,,,,,,4,,(36)1,GBI4554931H2S(ppm)0.50.340%0.01595%0.001590%0.030.063000210030%21090%3185%10203.7,,95%99%,,14ppm,1100m3/h(800m3/h),0.03ppm,99.75%,4,,,,,03