百乐克BIOLAK工艺优化设计探讨

(BIOLAK),(,430010):(BIOLAK),,,,:;;:X703.1:C:1000-4602(2006)22-0055-03DiscussionontheOptimalDesignofBIOLAKProcessCHENKe2ling,LUOJi2wu(Central&SouthernChinaMunicipalEngineeringDesignandResearchInstitute,Wuhan430010,China)Abstract:TheflowandcharacteristicofBIOLAKprocesswereintroduced,andexistingproblemsinpracticeaboutshortageofgritchamberaspre2treatment,unsteadynitrogenremovaleffectandimper2fectsettlingeffectofsecondarysedimentationtankwerepresented.Aimattheseproblems,theoptimaldesignwasputforward,includingaddingagritchamberaspre2treatmentsystem,settinganindependentnitrogenremovalarea,addingastabilizationtankaftersedimentationtank,etc.,alsotheseimprovementswereputintopractice.Keywords:wastewatertreatment;BIOLAKprocess;optimaldesign1(BIOLAK)111,(1mm),,;(BIOLAK),,,BOD5;(),,112(BIOLAK),:,,,1mm20%,,,,,A/O,BOD5/TP20,TP85%(BIOLAK)552222200611CHINAWATER&WASTEWATERVol.22No.22Nov.2006,,,,,,,,,a.,,HDPE,(),50%b.(),,,,10%15%c.,,,2211,1mm(56mm),,,,1mm,,,,212A/O,/,,,,,2002(GB189182002)TN,213:35,;812;,,5mm/s,,,0.20.5,35,0.851.0m3/(m2h),1.02.0mm/s,,,,1011Tab.1Comparisonofhydraulicparmaeterbetweentwokindsofhorizontal2flowsedimentationtank/(m3h-1)833833/(mmm)60154.515604.5v/(mms-1)3.430.86R/m2.813.91/(m2s-1)110-6110-6Fr=v2/(gR)()4.2710-71.9310-8Re=vR/()9.641033.361031,,,,,,,33112.65t/m36522220.2mm,,1mm(),+(Q=4104m3/d),22Tab.2Comparisonbetweentwokindsofgritchambersystem,,,,(D=3.65m,H=1.7m)2,B=1.0m2,50BHL=7.6m24m6m1,17.812B=0.8m5mm;1D300L=3.0m;1D300;2D=3.5m;2;1914D900,1mm;4;4;1187.36/141205.17/(a-1)2.51.82,,,+312A/O,,,,313,,,,45104m3/d,,,,()HDPE,2,92.32m62.20m4.5m0.7m33Tab.3DesignqualityindexofinfluentandeffluentBOD5CODSSTNNH3-NTP/(mgL-1)12025020035253/(mgL-1)2060202081.5/%83.376.090.042.968.050.0:(++)0.23(kWh)/m35,,,:[phone]E-mail:[e-mail]:43001041#:2006-06-077522,:(BIOLAK)22