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、、。DOI10.16247/j.cnki.23-1171/tq.20150336ChemicalEngineer11.1。。。。。1.2Q=qNKZL××·Q·NK。·1.3、。1、Tab.1Waterqualityindexofinflowandoutflow。。《》······。DesignofsewagetreatmentplantofBinxianGUPingWUYue-huiGONGQiHeilongjiangProvincialEnvironmentalMonitoringCenterStationHarbin150000ChinaAbstractThepurposeofthepaperwastotakeCASSprocesstocalculatethedesignofthemainstructureaccordingtothecontent,waterqualityandsoonofsewageinBinXiandistrict.Theswagewascollectedandflowthroughscreening,equalization,primarysedimentation,CASS,settlingtankanddisinfectioncontactor.Thewastesludgewascollectedanddisposedafterconcentrationandpressurefiltration.Horizontalsedimentation,settingtankandCASSreactorweredesigned.Thefigureswereshowedintheannex.TheBOD5,CODandAmmoniaNitrogenintheinfluentwaterare200mg·L-1,300mg·L-1and30mg·L-1respectively.Aftertreated,theBOD5,CODandAmmoniaNitrogenintheeffluentwaterarelessthan20mg·L-1,60mg·L-1and8mg·L-1.TheeffluentwaterqualityisinaccordancewiththedischargestandardofpollutantsformunicipalwastewatertreatmentplantGB18918-2002.KeywordsdomesticsewageCASSprocessthemainstructures·····《》。1.4《》。η×η×η×η×η×。2。3[19]3.1Q·Sbv·hα°nW。Q·nQα姨bhv×°姨××B-Snbn××。α°。B。lBBtgα×tg°llQ·bnv·snb。hhhkhεvgαε=βsb姨姨hhg·kεβ。hhkε=βsb姨姨vgα×k×0.010.02姨姨0.922×9.8sin60°×mhmH=h+hhmL=llH1tanαlBαlH。L=llH1tanα0.8tan60°mWQWKZWWQWKZ×××··W·WKZ。v'2Qmaxα姨bhv×°姨××·3.2Qmax··QQmax·××。3.3v'2Qmaxα姨bhv×°姨××·。3.4Q××L·s。·。1Fig.1Belltypegritchamberintentions3.5thQ·kzQ··VQmax×t×S=VhSπDDπ姨×姨m3.6CASS[10]Lj·bXaCeCe··bXa。bXaCe×××··η=So-SeSo××NsKz·Se·fηKzfη。NsKz·Se·fη××nVQλ×n1×n××HA=VHL=ABB/HL/B。VL×B×H××、、∶∶。L×B×H∶∶L×B×H∶∶L×B×H∶∶°H=hhhhHhh垠hHQnnV×××hHhhh。·。SeSe24SeKXftan×××××··。℃Kd℃Kd℃θTt×Y△XvYQSSeKdVXftann××××××××kg·g△XvSSeKd。△Xsf△Xs=QfbfCCg×××·△X△X=△Xv+△Xskg·dNRNRXλ·△X△X△XNR××·θCOF×θCOFF。T℃·FQSρ×·≥F。℃。θCOF×TT××θ'CFθCNNd·S·OVCθ'CFN0·Ne·NdNSSeNe×OVC×TθCN×T×T13×Tθ'CFθCNNd·S·OVC×0.75×200×1.11d≈dθCFOVC×TθCF×T×516.6×5dθCFθCNNd·S·OVC×0.75×200×1.08d≈dθCFdθ'CFd。θCDθCFθCNdθCθCF·tta×2dd、dθCd≥d。。AORaQSSebQNNe△XV△XVa、b、ca、b、c。AORaQSSebQNNe△XV△XV·SORSORAOR×CsaβρCsTC×TCs℃aβρ。ρρ×××P。T℃Cs·SORAOR×CsaβρCsTC×T×××××·GsSOREA××···。。×·×·。。·。。2Fig.2Theairpipeinstallationdiagramofmainreactingzon。3Fig.3Theaeratorpipeinstallationdiagramofanoxiczone4··。·。。3Fig.3Beforeandaftercomparisonofindicatordiagramoffieldtest4。。!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!·。。···。···《》。