112(1,150006;2,116601),---,10003000mg/L,5mg/L,4m3/(m2h),15314,25000m3(1200)500m2InnovationofoilwastewatertreatmentinnewharborinDalianLuBing2nan1,DuYan2wu1,ZhaoBing2(1.SchoolofMunicipal&EnvironmentalEngineering,HarbinInstituteofTechnology,Harbin150090,China;2.XingangHarborBureauofDalian,Dalian116601,China)Abstract:TheinnovationofoilwastewatertreatmentinnewharborinDalianhasbeenprovedbynormaloperationovertwoyears.Itisevidentthattheadoptedprocessconsistedofoil2separationtankandpre2aeratedtubeoil2waterseparators,equalizationbasinandbio2filterishighefficientforoilwastewatertreatment.Twoyearsstablerunningshowsoilconcentrationineffluentislessthan5mg/Lwhenitis1000mg/Lto3000mg/Linrawwastewater.Pre2aeratedtubeoil2waterseparatorshavetheenhancedfunctionofflotationandgravityseparationwithsurfaceloadingof4m3/(m2h).Theoverallinvestmentoftheinnovationprojectis11534millionRMB.Two5000m3waterstoragetanks(cost12millionRMB)and500m2landspaceoccupiedbytheformeroil2waterseparatorsaresavedforreuse.Keywords:Oilwastewater;Pre2aeration;Tubeseparators;Innovation,1993:,60m3/a,,100m3/a,11000m32,,1500m3/h;5000m32;600m32,600m3/h;7500m32;,1700m3,200m3/h;1,4050m3/a,,,2001,,,46Vol130No112004,1,,;1500m3/h1/mg/L12803361062421961781435011513153316661971,,12d,,:(1)1/4,;,(2),,(3),,,25000m3,,,,222211,,15000m3,10h,1500m3/h212,11m,10199m,1000m31mm,v=319cm/s,5min1500m3/h,40min,0132mm,10003000mg/L300350mg/L213,2,28m16m4m,33,6m16m4m,1,,9m16m4m,PGB,,,,,,,11,12m16m4m,4m3/(m2h)1536m3/h,,25000m3,,,,200350mg/L1015mg/L,d=60mm,60,35m3/(m2h),2PGMY-16,214,Vol130No1120044711500m37115m35m416m,,15000m3,18h,18h,,10mg/L,215,24m1818m8m,4m01052kg/(m3d),200m3/h,20mg/L,5mg/L,20mg/L,10mg/L,10mg/L,5mg/L,,,,,320015,200110,1816013171mg/L,1011173mg/L;21664112mg/L,103165mg/L,2212345678910/mg/L12136819612123131718160101551116312187121961314411173/mg/L31912164318541122166311931743186411541363165415314,:(1)d=60mm,340m3,3213;(2),1612m,2,2414;,1117;(3),JTS-125,2,6;PGB,d=65mm,240,11;,4;(4)DN65,700m,412;(5)Q=200m3/h,H=10m,2,115;(6)58131200,500m25(1)---,2,10003000mg/L,5mg/L(2),4m3/(m2h),,,200350mg/L1015mg/L(3),,120025000m3,500m2:(0451)6281032E2mail:walter123724@sina.com:2003210216200312,(),2003,2004,,;,,;1m3,,;,;;,(Abby)48Vol130No112004