Abstract 4 3.2.1格柵 12 英文原文與文獻..................................................42摘要五日生化需氧量(BOD5)：140mg/L；懸浮物(SS)：200mg/L；r3BOD5≤20mg/L；SS≤20mg/L；r3根據設計要求和求新的思想，該污水處理工程進水中氮含量均偏高，在去除BOD5A/O工藝由于不同環境條件，不同功能的微生物群落的有機配合，加之厭氧、缺氧條2本設計采用了A/O為主體工藝，工藝流程相對簡單，省去了污泥消化系統，節省22Abstract55rft5s2第一章設計概論1.1設計依據和任務:6萬m3/d城鎮污水推流式曝氣池處理工程設計mdSS=200mg/lNH3-N=30mg/lBOD5<20mg/lCOD<60mg/SS<20mg/lNH3-N<15mg/l1)文獻獲取：充分利用現有文獻資源，獲取充分的國內外相關文獻。2)工藝方案比選：對文獻認真閱讀后，就課題內容進行醞釀和思考，確定設計方3)工藝及主要構筑物計算：對計算確定各構筑物主要尺寸及工藝流程主要運行參4)設計圖紙：詳見設計要求。5)設計說明書的編制：包括單元構筑物的設計、附屬設備的設計、設備選型與運6)撰寫論文：按照畢業論文的要求與規范完成論文。會查閱科技文獻資料了解城市污水處理技術的國內外現狀、發展趨勢。2)對所查閱科技文獻資料進行歸納、運用，寫出文獻綜述。3)弄清設計思路，掌握工藝設計的程序并進行該項目的工藝設計，包括：確定工藝流程、設計計算、編制說明書及繪制工程設計圖紙等。實際成果及③設計圖紙(6~8張)，即：b.污水處理站高程布置圖(兼做工藝流程圖)1張；4)畢業論文撰寫要規范。5)論文期間，同學們要按照學院要求遵守各項規定，聽從老師指導。1.2設計目的5參數等。為他們進一步深造和學習打下基礎。第二章工藝流程的確定2.1工藝流程的比較5→處理水1)流入工序：廢水注入，注滿后進行反應，方式有單純注水，曝氣，緩速攪拌三2)曝氣反應工序：當污水注滿后即開始曝氣操作，這是最重要的工序，根據污水3)沉淀工藝：使混合液泥水分離，相當于二沉池，4)排放工序：排除曝氣沉淀后產生的上清液，作為處理水排放，一直到最低水位，5)待機工序：工處理水排放后，反應器處于停滯狀態等待一個周期。CA/A/O法②在厭氧的好氧交替運行條件下，絲狀菌得不到大量增殖，無污泥膨脹之虞，SVI③污泥中含磷濃度高，具有很高的肥效。④運行中勿需投藥，兩個A段只用輕緩攪拌，以不嗇溶解氧濃度，運行費低。QD一體化反應池(一體化氧化溝又稱合建式氧化溝)沉池。基本運行方式大體分六個階段(包括兩個過程)。5在85％以上，并且硝化和脫氮作用明顯。較技術指經濟指標*運行情況法法法法法法法法 去除85~9585~9585~9585~9085~9185~9585~9080~9085~95費負動應水廠水廠用AB法AO90~9590~9985~9590~<100>100<100100<100<100>100>100<100<1002.2約約適應適應適應般適應工藝流程的選擇重金屬及其他難以生物降解的有毒有害污染物一般不超標；②污水中主要污染物指標為經濟。由于將來可能要求出水回用，處理工藝尚應硝化，考慮到NH-N出水濃度排放3要求較低，不必完全脫氮。根據國內外已運行的中、小型污水處理廠的調查，要達到確定的治理目標，可采用“A2/O活性污泥法”。砂砂水分離泥餅脫水間初沉污泥消毒劑進水放第三章工藝流程設計計算3.1設計流量的計算a==aZaZ=smaxZa3.2設備設計計算12(1(1)確定柵前水深B=1maxv1B則h=1=0.82m2LL則進水渠漸寬部分長度L=BB1=1.731.61=0.33m12tana2tan2022m12tan60(8)每日柵渣量103單33H3F40.3集水池長度取10m，則寬度B===4.03mF40.3l10潛水電泵直接置于集水池內，電泵檢修采用移動吊架設計流量Q=3275m3/d=0.910m3/d，設計水力停留時間t=40smaxv0.82Z(5)每個沉砂斗得容積(V)0V==0.9m32h'b=3+b=1.65m2tg60o1SSmm13312123設采用重力排砂，池底坡度i＝6％，坡向砂斗，則33232123Q36000.9103600A=max==1638m3q22(3)沉淀部分有效容積V'(7)校核長寬比L21.62>4b5(符合要求)0Z(9)每格池污泥所需容積V'422122242(12)污泥斗和梯形部分容積12123444、設計計算，采用A2/O生物除磷工藝55(4)混合液懸浮固體濃度V====20000V====20000(6)反應池總水力停留時間t==24=8.0hQ60000(7)各段水力停留時間和容積thVm3厭厭缺缺thVm好好V10000單組有效面積S=單==2000m3單h5.0S2000單組反應池長度L=單==53.3mB57.5L/bL/b==7.1(滿足L/b=5~10)(9)反應池進、出水系統計算單組反應池進水管設計流量Q=Q=0.347m3/d124A40.44管徑d===0.75m3.14校核管道流速v=Q=0.347=0.7m/s2回流污泥渠道。單組反應池回流污泥渠道設計流量QRR2d222AQmv0.6333內2H=()2=0.2143孔口過水斷面積A===v0.653管道過水斷面積A=Q5=0.694=0.87m2v0.8管徑d===1.05m管徑d===1.05m校核管道流速v=Q5=0.694=0.7m/sA(1.1)2幾2333R。eVr3RmaxR。ORs(20)=AORORs(20)=sm(T)LkgOdkgOh相應的2最大標準需氧量OR=1.4OR=815.71.4=1142.0kg/hmaxsA最大時的供氣量G=1.4G=1.413595=19033m3/hsmaxs需空氣壓力p34h+h=0.2m——供鳳管到沿程與局部阻力之和34n=maxn=max=＝4079(個)csv vQ＝maxS單326s管徑d=S取支管管徑為DN400mmS雙S單管徑d=7格厭R單泵流量Q=Q=2500=1250m/R單2R23(12)混合液回流設備(1)混合液回流比內R內R單2246內2管道過水斷面積A=管道過水斷面積A=6==0.694m2d===3.14s14d6管道過水斷面積A=Q7=0.694=0.58m2v1.24A40.58管徑d===0.86m3.14、進出水配水更均勻、存排泥更方便，常采用圓形輻流式Q0.6943600A===842.8m2N?q21.5A8D===32.57m1rh二沉池污泥區所需存泥容積VwT(1+R)QX4225002700V=w==666.7m2wX+X2700+5400r采用機械刮吸泥機連續排泥，設泥斗的高度H為0.5m。2(4)二沉池緩沖區高度H=0.5m，超高為H=0.3m，沉淀池坡度落差H=0.63m345m234D2.6二沉池直徑與水深比為==8.7(介于612之間D2.6H3.75單22單22v=0.61m/s進水豎井采用D=1.5m，流速為0.1~0.2m/s2出水口尺寸0.5×1.5m2,共6個，沿井壁均勻分布。vvmsssA23.1m24A423.1穩流筒直徑D=D2+=1.52+=5.63m323.14單池設計流量Q=Q=0.694=0.347m3/s單2222起終21三角堰中心距(單側進水)nn2121(4)排泥部分設計nn2121(4)排泥部分設計總污泥量為回流污泥量加剩余污泥量RS總RS設計泥量為q=Q單=638.1m3/d=0.177m3/d212表面積A=表面積A===312.3m2h2L30長寬比==L30b3.5設計最大加氯量為物的計算二沉池活性污泥由吸泥管吸入，由池中心落泥管及排泥管排入池外套筒RR(2)剩余污泥泵房二沉池產生的剩余活性污泥及其它處理構筑物排出污泥由地下管道自流入集泥井，剩余污泥泵(地下式)將其提升至污泥濃縮池中。w縮后含水率97%2.濃縮池的尺寸M304A4512直徑：D===25.5m3.14高度：工作高度h=TQw=182560=3.75m2323ww3設貯泥時間為4h，則貯泥池的容積V==Q=6.4m3/d27，選擇DY15型帶式壓濾脫水機3.3構建筑物和設備一覽表123456房L×B=L×B×H=L×B×H=L×B×H=數量設計參數d隙d=20.0mm22螺旋壓榨機(Φ300)1臺螺紋輸送機(Φ300)1臺鋼閘門(2.0X1.7m)4扇手動啟閉機(5t)4臺螺旋泵(Φ1500mm,N60kw)5鋼閘門(2.0mX2.0m)5扇手動啟閉機(5t)5臺手動單梁懸掛式起重機(2t，砂水分離器(Φ0.5m)2臺羅茨鼓風機(TSO-150，L×B×H=7注水泵(Q3~6m3/h)2臺9L×B=剩泵房(合L×B=套筒閥DN800mm,Φ1500mm2個電動啟閉機(1.0t)2臺手動啟閉機(5.0t)2臺無堵塞潛水式剩余污泥泵3臺第四章平面布置4.1污水處理廠平面布置項目總規模控制，并作出分期建設的安排，合理確定近期規模，近期工程投入運行一年內水量宜達到近期設計規模的60％。2、污水廠的總體布置應根據廠內各建筑物和構筑物的功能和流程要求，結合廠址3、污水廠廠區內各建筑物造型應簡潔美觀，節省材料，選材適當，并應使建筑物和構筑物群體的效果與周圍環境協調。4、生產管理建筑物和生活設施宜集中布置，其位置和朝向應力求合理，并應與處持一定距離。5、污水和污泥的處理構筑物宜根據情況盡可能分別集中布置。處理構筑物的間距裝7、廠區消防的設計和消化池、貯氣罐、污泥氣壓縮機房、污泥氣發電機房、污泥8、污水廠內可根據需要，在適當地點設置堆放材料、備件、燃料和廢渣等物料及9、污水廠應設置通向各構筑物和附屬建筑物的必要通道，通道的設計應符合下列2)車行道的轉彎半徑宜為6.0~10.0m；3)人行道的寬度宜為1.5~2.0m；5)天橋寬度不宜小于1.0m；6)車道、通道的布置應符合國家現行有關防火規范要求，并應符合當地有關部門。2、構(建)筑物平面布置1)污水處理區，由各項污水處理設施組成，呈直線型布置。包括：污水總泵站、2)污泥處理區，位于廠區主導風向的下風向，由污泥處理構筑物組成，呈直線型，該區是將辦公室、宿舍、食堂、鍋爐房、浴房等建筑物組合的一個區，1)污水廠工藝管道2)污泥工藝管道3)廠區排水管道溢6)廠區該水管道和消火栓布置1)主廠道路布置廠區內各主要構(建)筑物布置車行道，道寬4.0m呈環狀布置。3)步行道布置5、計算水頭損失時，一般應以近期最大流量作為構筑物和管渠的設計流量；計算6、設置終點泵站的污水廠，水力計算常以接受處理后污水水體的最高水位作為起8、協調好高程布置與平面布置的關系，做到既減少占地，又有利于污水、污泥輸資和運行成本。H=h+h+h31h—局部水頭損失2h—構筑物水頭損失3h=ili—坡度i=0.0051211h=h×50%=0.10m213Hhhh+0.10+0.45=0.75m2123沉淀池相對地面標高1h=h×50%=0.15m2133123A2/O反應池池相對地面標高hil=0.005×10=0.05m1h=h×50%=0.025213H=h+h+h=0.05+0.025+0.30=0.375m4123平流式沉砂池相對地面標高1h=h×50%=0.15m213Hhhh+0.15+0.30=0.75m5123細格柵相對地面標高h=il=0.005×8=0.04m1h=h×50%=0.02m213Hhhh0=0.44m6123污水提升泵相對地面標高 (2)詳細計算過程在污水處理工程中，為簡化計算一般認為水流是均勻流。管渠水頭損失主要=fh——為沿程水頭損失，m；f2g2gL=iL(1)、構筑物水頭損失。水頭損失(水頭損失(m)水頭損失(m)二沉池至接觸池有一個突然擴大和突然縮小及兩個90彎頭，局部阻力系數為：好氧池至集配水井有一個突然擴大、一個90彎頭和一個突然縮小，局部阻力系數缺氧池至厭氧池有兩個突然擴大和突然縮小，局部阻力系數取為沿程局部合計0.300.1380.307750.060.1140.176I(‰)v(ms)2.050.9(Ls)220.180.37460.010.15270.100.26800.040.30700.100.18380.010.2294622式中C——污泥濃度系數；HHH(Ls)面標高(m)(m)標高(m)標高(m)12345第五章供電儀表與供熱系統設計(1)污水和污泥兩部分分別集中設置顯示記錄儀，污水部分設置單獨的儀表(3)儀表自動控制設計，要掌握適當的設計標準，在工程實效的前提下，考慮技術(1)污水泵房：集水池液位應集中顯示，并設上下限報警；指示記錄，PH值指示記錄；(3)沉砂池：水溫指示記錄，PH；(8)污泥脫水機房：污泥流量指示記錄，加藥量指示記錄。第六章勞動定員第七章參考文獻[7]張智.給水排水工程畢業設計(論文)指南.北京：水利水電出版社，20007謝英文原文與文獻Summary:ThistextexpatiatedprimarilytheCarrouseloxidizestheconstruction,craftmechanismoftheditchandcirculatetheproblemexsitedintheprocesswiththehomologousthemethodofsolution.Finally,introducetheCarrouseloxidizethelatestresearchdirection.Keyphrase:TheCarrouseloxidizestheditchdividedsbythephosphortakesoffthenitrogenconstructionmechanismApplicationandDevelopmentofCarrouselOxidationDitchinrunningandtheircorrespondingresolventarealsopointed.AtheKeywords:Carrousel;oxidationditch;nitrogenandphosphorOxidizetheditch(oxidationditch)againacontinuouscirculationakindoftotransform.Oxidizingthedirtywaterinditchhandlesthewaterfluidmattergood,circulatethestabilityandmanageconvenienceetc.techniquecharacteristics,alreadyatdomesticandinternationalandextensiveapplicationinlivethedirtywatertoisCurrentapplicationthanoxidizeextensivelytheditchtypeinclude:The(Pasveer)oxidizestheditch,the(Carrousel)oxidizestheditch,(Orbal)oxidizestheditch,thetypeofToxidizesthetheditchbecauseofthedifferenceofesseinconstructionwithcirculating,thereforeeachcharacteristics[2].Thistextwillintroduceconstruction,mechanism,existentproblemanditslatestseloxidizeditchesprimarilyTheCarrouseloxidizetheditchtoberesearchedtomanufacturebyDutchDHVcompanydevelopmentin1967.OxidizethelastthethelivingcreatureofthehigherrequesttakesoffthenitrogenwithFromdiagramtherefore,theCarrouseloxidizestheditchtheusagethespiritofthatdefinitedirectioncontrolwithshakeupthedevice,facetomixwiththeliquiddeliverthelevelspeed,frombutmakedrivetheliquidofadmixturethatshakeupisinoxidizeditchshutmatchoutletcirculateflow.Thereforeoxidizetheditchhavethespecialhydraulicsflowsthe,currentcompletemixwiththetheflowtypereactoragain,theditchinsideexsitsobviouslyofdeliquescenceoxygendensitystepsdegree.Oxidizingtheditchcrosssectionisrectangleortrapezoids,theflatsurfaceshapeismanyforoval,theditchinternalwaterisdeepgeneralfor2.5~4.5m,the7msof,ditchinsideaveragespeedinwatercurrentis0.3ms/s.Oxidizeditchspiritadmixtureequipmentscontainsurfacespiritoftypespiritmachineetc.,matchwithinrecentyearsusagestill3.1TheCarrouseloxidizestheditchhandlesdirtyandaqueousprincipleTheatthebeginningditchdirectwithdirtymireinrefluxtogetherenteroxidizetheditchsystem.ThesurfacespiritmachinemakesfuseintheliquidofsmgetstheenoughdeliquescenceoxygencomesandgotodividedbytheBOD;Atthesametime,theammoniatheliquidbeplacedintheoxygenappearance.Inthespiritmachinedownstream,afterwatercurrentbebecomebytheswiftflowappearanceofthespiritDistrictofevenflowtheappearance,thewatercurrentmaintainsintheminimumcurrentvelocity,guaranteeingtheliveanddirtymirebeplacedinthefloatstheofDOdeclinesforzero,mixingwiththeliquidreporttheanoxiaappearance.Versanitricthatturnthefunctionthroughanoxiaarea,mixwiththeliquidentertohavetheoxygenarea,completingoncecirculating.Thatsysteminside,theBODdeclinesthesolutionisasanitricthefunctiontakeplaceinsamepond.Becauseofstructuralrestrict,thiskindofoxidizetheditchalthoughcanthenvalidForthesakeoftheacquisitionbetterdividedbythephosphorustakeoffthenitrogenousresult,Carrousel2000systemsincreasedaarea)ThedirtymireinallrefluxesenterstheanaerobicDistrictwithtermcompleteremainingofdirtymireinrefluxinsidenitricacidhereafteruniqueoxygenterm.Atthesametime,anaerobicDistrictthegermacquiretheVFAitsassimilationPHB,theenergysourceneededsolvesinthephosphoricwaterandcausephosphatictheuniqueoxygenareathathavethemixer,theso-calleduniqueoxygenisapondinsidetomixwithliquidsincehavenothenumeratoroxygen,alsohavenothecompoundoxygen(nitricacidroot),thehereuniqueoxygenenvironmentisnext,70-90%dirtywatercanprovidetheenoughwiththeliquidtransferthedirtymireinsideinoxidizeditchenrichoxygenareaeject,whileenrichingtheoxygenenvironmentgermephosphorusSynthesizingandDirtywaterintheriverCity,longsandCitydecontaminationcenter[softhedirtythefactoryofwaterinthefirstinKunmingofadoptionthatcraftshandlesthemovementresultofthefactorytherefore:ThroughCarrousel2000systemafterhandling,theBOD,ratetoalsocometoa90%.3.2TheCarrouseloxidizestheditchdividedsbythephosphorusnitrogenousinfluencefactorAffectingtheCarrouseloxidizestheditchdividedsbythesnotreachthebiggestdividedingbytheresultofphosphorusonthethedirtymire(forexample20ds,25ds,30ds)istohavenonecessary,properchoosetousewithinthescopeof8~15d.AttheAffectingtheCarrouseloxidizestheditchtakesoffthedensities.Theresearchexpresses,oxidizingtheditchinsideexsitsdeliquescenceoxygendensitystepsdegreenamelythegoodoxygencsturnthereaction.Atthesametime,amplecarbonsourceandhigher4.TheCarrouseloxidizesproblemandsolutionmethodsoftheditchesse.ThoughtheCarrouseloxidizestheditchhasawaterfluidmattergood,theanti-poundsattheburthenabilitystrong,dividedbythephosphorustakeoffthenitrogenefficiency.But,inphysicallyofmovementprocess,stillexsitsaseriesofproblem.DirtymireinflationproblemWhendiscardtheaquaticcarbohydratemore,theN,Pcontainsrenotetc.causeseasilydirtymireingerminforminsilkinflation;Notislowerbutthedirtymirecarrieshigherhour.Themicrobialburthenishigh,thegermsabsorbedthelargequantitynourishmentslower,accumulatingtheriseslargequantityishightogluesexualandmanysugarmaterials,makingthesurfaceoftheliveanddirtymireadheretothewatertoincreaseconsumedly,SVIthevalueisveryhigh,becomingthedirtymireinflation.ntraturehighresultinof,canenlargementtoleranceorlowerintothewatermeasurestoalleviateburthen,ortheadequacylowerstheMLSS(controldirtymirerefluxmeasure),makingneedtheoxygenStoadjusttheburthen,necessitythehourcanstopintothewater,stuffyaperiodoftime;Canpassthehurladdthenitrogenfertilizer,phosphorusfatty,adjusttheadmixturenourishmentintheliquidrepressthesilkformgermbreed,controlingthedirtymireintheoxygenagitation,creationlargequantityfoam;Themireiskerosene,theoilofsilicon,throwdealas0.5~1.5mgs/L.Passtopondinspiritinthewastewatermore,separatewiththefoameasilyandinenhancemostimportantlytheheadwatersmanage,reducingtontaintheoiloverthehighwastewaterandotherpoisonouswasteWhencontaininthewastewatertheoilmeasuresbig,wholesystemmirequalitybecomelight,can'tliketocontrolverymuchinoperateprocessitsattwosinkthepondstopovertime,resultingintheanoxiaeasily,producingthecorruptanddirtymireascendtonitricturnthefunction,makingnitratedensityhigh,attwosinktheversanitricineasyoccurrenceinpondturnthefunction,creationwater,brokeoffordirtymireinclearance,judgetheclearreason,adjusttheoperationThedirtymiresinkstodeclinethesexbad,canthrowtoaddofoagulateorslothmaterials,theimprovementwatermeasuresortheenlargementrefluxmeasures;Suchastherowthemiremeasures;Ifdiscoverthedirtymireiscorrupt,shouldenlargementtolerance,theclearanceaccumulatesthemire,andtry4.4Currentvelocityisnotallandthedirtymiresinkstocurrentvelocityfor,doingnottakeplacesinkingaccumulatingtoturntobrushforthespiritoftoturnthedishwiththespiritof,only1/7,thereforeresultintooxidizetheditchupperpartcurrentvelocitybigger(roughly0.8~1.2ms,evenlarger),butthebottombelow,mixwiththeliquidhasnocurrentvelocityalmost),causingditchbottomlargequantityaccumulatethemire(sometimesAddingthetop,downstreamleadstoflowtheplankisavalidmethodthatameliorativecurrentvelocitydistribute,increasestheoxygenabilitywiththemostconvenientmeasure.Theupperstreamleadstoflowtheplankinstallsatbeapartfromtoturnthe4.0highdegreeasthedeep1/5~inwater1/6,combinetheperpendicularityinstallinthesurface;Thedownstreamleadstoflowsflowknotholematerialcanusemetalsorglasssteelsbutregardglasssteelasgood.Leadtoflowtheplankcompareswithotherameliorativemeasurecantnotonlyincreasethemotiveconsumeswithrevolvescost,butalsocanstillthansignificantlyexaltationoxygenabilitywiththeoriesmotiveefficiency[13].Moreover,passinthespiritonboardswimtoestablishtheunderwaterpushmachinecanalsoturntothespiritoftheliquidofthatlowanddirtymireincurrentvelocityinbottominditchsinkaccumulates.Establishtheunderwaterpushmachineusedsforthatoxidizetheditchmuchmorevivid,thisforeconomyenergy,liftg5.ConclusionTheCarrouseloxidizestheditchbecauseofhavingthegoodaabilitywithcirculatetomanagetheconvenienceetctheadvantage,havinggottheextensiveapplication.Butbecauseoftechnologicaldevelopmentwithsocialadvance,thatcraftisnecessarilywillexaltationgettingfurther.Theauthorthinks:TheCarrouseloxidizesthefutureresearchdirectionoftheditchwillnowofmainbelowseveralaspects.1Combinationlivingcreaturemethod,researchwithdevelopuresfrombutincreasestheorganismcarries,butalsolivingcreatureactivityininsideinditch.ForexamplethrowtoaddtheEMinoxidizeditchwithsinglemindthegermgrow,throwsinthatthesaltofironregimentandincreasestobearthetoxicitypoundatetc..machine,underwaterpropeller,reducetomaintainthecontrolthetechniqueandchangesthetechniqueofisfromnowontoxicitycan,reducetocovertheareatobuildthepricewiththeengineering.Theoreticalapplication,deeppondinwaterpowertermwiththeresearchofthecraftfunctionistolowerstheengineeringbuildsthepriceandincreasesresistanttocoldbearthetoxicitycanwaittoprovidethepossibledirection.氧化溝工藝在污水處理中的應用與發展ApplicationandDevelopmentofCarrouselOxidationDitchProcessonWastewaterTreatmentAbstract:Thestructureandthetechniquesofcarrouseloxidationditchprocessonnitrogenandphosphorremovalareintroducedinthispaper.Theproblemsinrunningandtheircorrespondingresolventarealsopointed.Atlast,Theauthorshowedtheuptodateresearchimprovementandthemainlyfutureresearchdirection.Keywords:Carrousel;oxidationditch;nitrogenandphosphorremoval;structure；techniques氧化溝(oxidationditch)又名連續循環曝氣池(Continuousloopreactor)，是活成功的。自從1954年在荷蘭的首次投入使用以來。由于其出水水質好、運行穩定、管理方便等技術特點，已經在國內外廣泛的應用于生活污水和工業污水的治理[1]。目前應用較為廣泛的氧化溝類型包括：帕斯韋爾(Pasveer)氧化溝、卡魯塞爾(Carrousel)氧化溝、奧爾伯(Orbal)氧化溝、T型氧化溝(三溝式氧化溝)、DE型氧化溝和一體化氧化溝。這些氧化溝由于在結構和運行上存在差異，因此各具特點[2]。本文將主要介arrouselDHV的專利特許公司EIMCO又發明了Carrousel2000系統(見圖1)，l從而使被攪動的混合液在氧化溝閉合渠道內循環流動。因此氧化溝具有特殊的水力學流態，。氧化溝斷面為矩形或梯形，平面形狀多為橢圓形，溝內水深一般為2.5~4.5m，寬深比為2:水下推動器