1、青山湖污水處理廠工程優(yōu)化初步設(shè)計(jì)【精選文檔】青山湖污水處理廠工程Qing Shan Hu Sewage Treatment Plant優(yōu)化初步設(shè)計(jì)Optimized Preliminary Design工號(hào) Proj。No:2002-163中國(guó)市政工程華北設(shè)計(jì)研究院North China Municipal Engineering Design Research Institute2003年01月國(guó)徽工程設(shè)計(jì)證書甲級(jí)單位名稱：中國(guó)市政工程華北設(shè)計(jì)研究院業(yè)務(wù)范圍：市政公用行業(yè)（地鐵輕軌除外）甲級(jí)、建筑行業(yè)建筑工程甲級(jí)、冶金行業(yè)(焦化）甲級(jí).以下空白證書編號(hào)：020010sj有效期:*發(fā)證部門：中

2、華人民共和國(guó)建部(印章）2002年7月17日中華人民共和國(guó)建設(shè)部印制文件簽署院 長(zhǎng) 曹開朗主 管 副 院 長(zhǎng) 徐 強(qiáng)院 總 工 程 師 李成江計(jì)劃經(jīng)營(yíng)部部長(zhǎng) 王 起技術(shù)質(zhì)量部部長(zhǎng) 李顏強(qiáng)設(shè) 計(jì)九所 所 長(zhǎng) 劉曉松設(shè)計(jì)九所 副所長(zhǎng) 胡永龍?jiān)O(shè)計(jì)九所總工程師 申 蓁項(xiàng) 目 負(fù) 責(zé) 人 申 蓁本人簽署頁(yè)院級(jí)審核審定 李成江第九設(shè)計(jì)所所長(zhǎng) 劉曉松第九設(shè)計(jì)所副所長(zhǎng) 胡永龍第九設(shè)計(jì)所總工 申 蓁項(xiàng)目負(fù)責(zé)人 申 蓁工藝專業(yè)負(fù)責(zé)人 李 晶總圖專業(yè)負(fù)責(zé)人 宮業(yè)龍電氣專業(yè)負(fù)責(zé)人 劉 清自控專業(yè)負(fù)責(zé)人 余 穎建筑專業(yè)負(fù)責(zé)人 黃玉慧結(jié)構(gòu)專業(yè)負(fù)責(zé)人 劉迎煥暖通專業(yè)負(fù)責(zé)人 李小慧青山湖污水處理廠工程Qing Shan Hu

3、 Sewage Treatment Plant優(yōu)化初步設(shè)計(jì)Optimized Preliminary Design第一卷設(shè)計(jì)說明書Part One:Specification of Optimized Design目 錄Content前言Preface-011 設(shè)計(jì)依據(jù)Bases of Design-2 設(shè)計(jì)范圍Design Scope-3 工程規(guī)模Scale of the Project-4 污水處理廠進(jìn)水水質(zhì)Raw sewage quality of Qing Shan Hu Sewage Treatment Plant-5 污水處理廠出水水質(zhì)Effluent quality of Qin

4、g Shan Hu Sewage Treatment Plant-6 污水處理廠處理工藝Treatment Process of the Sewage Treatment Plant-7 污水處理廠工程設(shè)計(jì)Engineering Design of Sewage Treatment Plant-7.1工程內(nèi)容Engineering Content-7。2處理單元工藝設(shè)計(jì)Design of Treatment Process Unit-7.3總平面設(shè)計(jì)General Layout-7.4高程設(shè)計(jì)Design of Altitude-7.5附屬設(shè)施Other Facilities-7。6建筑設(shè)計(jì)說

5、明Notes For Architecture-7。7結(jié)構(gòu)設(shè)計(jì)說明Structure Design Reference-7。8電氣設(shè)計(jì)Electrical Design-7.9自動(dòng)化儀表及控制系統(tǒng)的設(shè)計(jì)Automatic Control System And Instrumentation Design8 暖通設(shè)計(jì)HV AC Notes-9人員編制Staff Arrangement-前言Preface中國(guó)市政工程華北設(shè)計(jì)研究院受德國(guó)柏林水務(wù)國(guó)際有限公司的委托，對(duì)南昌市青山湖污水處理廠工程進(jìn)行施工圖階段設(shè)計(jì)。North China Municipal Engineering Design Res

6、earch Institute is commissioned by Berlinwasser International GmbH to the construction design of the Qing Shan Hu Sewage Treatment Plant in Nanchang city.在此之前德國(guó)柏林水務(wù)國(guó)際有限公司根據(jù)已審批的江西省南昌市青山湖污水處理工程初步設(shè)計(jì)提出了初步設(shè)計(jì)優(yōu)化方案設(shè)想，并通過了有關(guān)方面的審查論證。為此，在施工圖設(shè)計(jì)之前，中國(guó)市政工程華北設(shè)計(jì)研究院需以柏林水務(wù)國(guó)際有限公司提出的初步設(shè)計(jì)優(yōu)化方案設(shè)想為基礎(chǔ)并充分體現(xiàn)柏林水務(wù)國(guó)際有限公司的宗旨，對(duì)原江西省

7、南昌市青山湖污水處理工程初步設(shè)計(jì)進(jìn)行修改即優(yōu)化初步設(shè)計(jì)。雙方就工程技術(shù)方案進(jìn)行了認(rèn)真討論、交流、磋商形成共識(shí)后,我院于2002年12月15日開始了本項(xiàng)目的初步設(shè)計(jì)優(yōu)化設(shè)計(jì)工作,于2003年1月23日完成。在文件的編制過程中，得到了柏林水務(wù)國(guó)際有限公司的專家的大力支持和協(xié)作，同時(shí)也得到了南昌市污水處理工程有限公司等有關(guān)部門的支持和幫助。Berlinwasser International GmbH had put forward the conception of optimized preliminary design according to the audited “Preliminary

8、 Planning of Nanchang City Qing Shan Hu Sewage Treatment Plant in Jiangxi Province” which has passed through the audit。 Therefore, the optimizing of preliminary design of NCMEDRI should be based on the conception of optimized preliminary planning and the accomplished preliminary design, and take ful

9、l consideration of the tenet of the Berlinwasser International GmbH。 After a thorough discussion NCMEDRI start to work at 12。15。2002, and completed at 01.23。2003. During compiling, NCMEDRI received great help and support from Berlinwasser International GmbH and Nanchang Sewage Treatment Company.本文件由

10、三部分內(nèi)容組成： 第一卷 優(yōu)化初步設(shè)計(jì)說明書第二卷 主要設(shè)備材料清單第三卷 設(shè)計(jì)圖紙The whole document is composed of three parts：Part One: Specification of Optimized DesignPart Two: Main Equipments and Material ListPart Three: Design Drawings在第一卷中我們只對(duì)污水處理廠的工程設(shè)計(jì)部分做簡(jiǎn)要說明，其余方面可參見原初步設(shè)計(jì)，在本文件中不重復(fù)累述。Only a brief description of the engineering desi

11、gn of the sewage treatment plant will be done in Part One, and others can be referred to in the original preliminary design, therefore， it will not be repeated here。1 設(shè)計(jì)依據(jù)Bases of Design江西省南昌市青山湖污水處理廠工程初步設(shè)計(jì)說明書及圖紙(上海市政工程設(shè)計(jì)研究院）（南昌市城市規(guī)劃設(shè)計(jì)研究總院）2002年4月“Specification of the Preliminary Design for Nanchang

12、 City Qing Shan Hu Sewage Treatment PlantProject” and corresponding drawings (Shanghai Municipal Engineering Design & Research Institute） （Nanchang General Urban Layout Design and Research Institute)施工圖設(shè)計(jì)合同Construction Design Contract南昌市青山湖污水處理廠初步設(shè)計(jì)優(yōu)化方案（柏林水務(wù)國(guó)際有限公司）Strategy of Optimized Preliminary D

13、esign for Nanchang City Qing Shan Hu Sewage Treatment Plant (Berlinwasser International GmbH）南昌市青山湖污水處理廠優(yōu)化設(shè)計(jì)備忘錄（2002年12月13日）Notes of optimizing design for Nanchang City Qing Shan Hu Sewage Treatment Plant （12。13。2002）2 設(shè)計(jì)范圍Design Scope本項(xiàng)目的設(shè)計(jì)范圍為青山湖污水處理廠工程（圍墻內(nèi)）。對(duì)廠內(nèi)的工藝、建筑、結(jié)構(gòu)、總圖、電氣、自控、暖通進(jìn)行優(yōu)化設(shè)計(jì).Area for

14、which design is to be performed: Complete sewage treatment plant premises up to the perimeter fence （inclusive)： including optimizing of process， architecture and civil engineering， general drawing， electric & automatic control, and heating & ventilation。3 工程規(guī)模Scale of the project根據(jù)污水量預(yù)測(cè)，青山湖污水處理廠最終規(guī)

15、模99萬(wàn)m3/d，分三期建設(shè),一期規(guī)模33萬(wàn)m3/d。本項(xiàng)目按一期規(guī)模設(shè)計(jì),充分考慮與二、三期的銜接。According to the prediction of the flow quantity， Qing Shan Hu Sewage Treatment Plant, Nanchang， consisting of the mechanical treatment stage （990，000m3/d) and the biological treatment stage （330,000m3/d)。 The design work is based on the scale of 33

16、0,000m3/d and take full consideration of the further two stages。4 污水處理廠進(jìn)水水質(zhì)Raw sewage quality of the sewage treatment plant確定青山湖污水處理廠進(jìn)水水質(zhì)為:Raw sewage quality of Qing Shan Hu Sewage Treatment Plant is as the following：CODcr 250mg/LBOD5 130mg/LSS 200mg/LNH3-N 20mg/L磷酸鹽Phosphate（以P計(jì)calculated as P）2.0m

17、g/L根據(jù)排水協(xié)議,無(wú)需考慮水質(zhì)波動(dòng).No fluctuation of water quality need be considered according to the Supply Agreement。5 污水處理廠出水水質(zhì)Effluent quality of Qing Shan Hu Sewage Treatment Plant青山湖污水處理廠出水水質(zhì)如下：Effluent quality of Qing Shan Hu Sewage Treatment Plant is as the following：CODcr 120mg/LBOD5 30mg/LSS 30mg/L磷酸鹽Pho

18、sphate(以P計(jì)calculated as P）1。0mg/LNH3-N 25mg/L6 污水處理廠處理工藝Treatment Process of the Sewage Treatment Plant依據(jù)德國(guó)柏林水務(wù)國(guó)際有限公司的初步設(shè)計(jì)優(yōu)化方案，青山湖污水處理廠處理工藝如下：According to the strategy of optimized preliminary design of Berlinwasser International GmbH， the treatment process will be as the following:污水處理工藝采用普曝法工藝.曝氣池

19、為氧化溝形式，采用表面曝氣機(jī)曝氣。Traditional aeration process will be applied in the treatment。 The oxidation ditches are adopted as aeration tanks with upside-down surface aerators。污泥處理工藝采用厭氧中溫消化，消化后的污泥經(jīng)機(jī)械脫水后外運(yùn).Anerobic mild temperature digestion is adopted in the treatment of sludge， and digested sludge shall be

20、transported out after mechanical dewatering.對(duì)消化過程中產(chǎn)生的沼氣進(jìn)行綜合利用，其用途有The usage of the biogas produced during digestion：（1） 用于拖動(dòng)進(jìn)水泵的沼氣發(fā)動(dòng)機(jī)To drive the 2 screw pumps.（2） 用于加熱消化池的沼氣鍋爐To heat up the digestion tank through biogas boiler：（3） 用于廠區(qū)綜合樓的集中空調(diào)溴化鋰機(jī)組To the lithium bromide unit for central airconditio

21、ning in the general office building.沼氣利用的氣量及熱量平衡圖見污泥處理工藝設(shè)計(jì)部分The amount and heat balance chart of the biogas please refer to the process design of sludge treatment。青山湖污水處理廠處理工藝流程如下：The flow of the Qing Shan Hu Sewage Treatment Plant is as the following: 雨水溢流 柵渣外運(yùn) 柵渣外運(yùn) 計(jì)量 原污水曝氣沉砂池細(xì)格柵站粗格柵及進(jìn)水泵房 計(jì)量終沉池低排溝

22、氧化溝污泥脫水機(jī)房?jī)?chǔ)泥池消化池污泥濃縮機(jī)房污泥緩沖池 污泥泵池沼氣利用沼氣柜泥餅外運(yùn)7 污水處理廠工程設(shè)計(jì)Engineering Design of the Sewage Treatment Plant7.1 工程內(nèi)容Engineering Content青山湖污水處理廠規(guī)模33萬(wàn)m3/d，并予留二、三期規(guī)模發(fā)展用地，其主要內(nèi)容包括:The design scale Qing Shan Hu Sewage Treatment Plant is 330,000m3/d, and the developing area for further second and third stage is l

23、eft。 Main content is set as below:污水提升與預(yù)處理系統(tǒng)Sewage pumping and pretreatment system污水生化處理系統(tǒng)Sewage biological treatment system污泥處理系統(tǒng)Sludge treatment system廠區(qū)附屬建筑Other buildings in plant廠區(qū)動(dòng)力系統(tǒng)（包括變配電系統(tǒng))Power system in plant (including transformer system）自動(dòng)控制監(jiān)測(cè)儀表系統(tǒng)Automatic control and instrument system廠

24、區(qū)總平面及配套設(shè)施General layout of the plant and supporting system7。2 處理單元工藝設(shè)計(jì)Design of treatment process unit設(shè)計(jì)規(guī)模Q=33萬(wàn)m3/dScale： Q=330，000m3/d根據(jù)要求，截流倍數(shù)為2的雨水經(jīng)污水處理廠預(yù)處理后（經(jīng)曝氣沉砂后)直接溢流至廠區(qū)南側(cè)的低排溝。Rain water whose interception multiple is 2 overflows to Dipai trough in front of the south of the plant after pretreat

25、ment (aeration grit chamber）雨季最大設(shè)計(jì)流量Qmax=11.46 m3/s（Qmax=990000 m3/d)The Rain season Qmax=11。46 m3/s(Qmax=990000 m3/d）旱季最大設(shè)計(jì)流量Q旱max=4.40 m3/s(Q旱max=380000 m3/d)The dry season Q旱max=4。40 m3/s(Q旱max=380000 m3/d)旱季平均設(shè)計(jì)流量Q平均=3。82 m3/s（Q平均=330000 m3/d)The dry season Q平均=3。82 m3/s（Q平均=330000 m3/d)（1) 粗格柵及

26、進(jìn)水泵房Coarse screen and inlet pump station設(shè)計(jì)參數(shù)及描述：Design parameters and description粗格柵及進(jìn)水泵房土建及設(shè)備規(guī)模均按一期規(guī)模設(shè)計(jì)并充分考慮與二、三期規(guī)模的銜接。Scale of civil Engeneering and equipments are set forth according to the first stage and give full consideration to the further second and third stage.設(shè)計(jì)流量：雨季最大流量Qmax=11.46 m3/sDes

27、ign flow quantity:Rain season Qmax=11。46 m3/s 旱季最大流量Q旱max=4.40 m3/s Dry season Q max=4.40 m3/s旱季平均流量Q平均=3。82 m3/sDry season Q aver。 =3。82 m3/s粗格柵間的設(shè)置，可去除污水中較大漂浮物以保證污水提升泵的正常運(yùn)行，粗格柵間內(nèi)安裝有齒耙除污機(jī)和用于維修的閘門等設(shè)備。該格柵除污設(shè)備帶有獨(dú)立軌道及抓爪，根據(jù)時(shí)間間隔或格柵前后水位差，自動(dòng)啟閉懸掛在載重滑車上的機(jī)械抓爪，將污物排放至收集箱，完成柵渣的收集、輸送和裝箱。采用機(jī)械格柵與進(jìn)水泵房合建,共設(shè)三條渠道，單溝寬20

28、00mm,正常情況下，三臺(tái)格柵運(yùn)行，事故時(shí)互為備用。Coarse screen is designed to remove the relative big floaters to ensure the normal operation of the inlet pump。 Rake and maintenance gates etc are installed in the coarse screen station. Rake brings itself independent trails and grippers, and remove the screens to the dustb

29、in automatically according to time intermittent or water level difference。 It accomplishes the collection, transportation and incasement. The coarse screen and inlet pump station are joined together。 There are altogether 3 channels designed in the coarse screen station with individual width 2000mm.

30、3 coarse screens are in operation normally and be standby by each other when accidents happen。設(shè)置進(jìn)水泵房，用來(lái)提升污水以滿足后續(xù)污水處理流程及豎向的銜接要求，為地下式鋼筋混凝土矩形集水池，泵房與粗格柵合建，污水經(jīng)泵房提升后通過渠道,進(jìn)入細(xì)格柵站。進(jìn)水泵采用螺旋泵型式，以提高效率減少維護(hù)。內(nèi)設(shè)6臺(tái)螺旋污水泵,旱季3用3備,雨季6臺(tái)全開。根據(jù)沼氣平衡計(jì)算，其中兩臺(tái)進(jìn)水泵采用沼氣發(fā)動(dòng)機(jī)驅(qū)動(dòng),當(dāng)運(yùn)行初期無(wú)沼氣時(shí)可用天然氣暫時(shí)替代.根據(jù)實(shí)際運(yùn)行情況租用天然氣子站用專用車。每臺(tái)螺旋泵前均設(shè)有閘門以便檢修.在集水

31、泵池上部建有泵房，用于防護(hù)螺旋泵的電機(jī)和沼氣發(fā)動(dòng)機(jī)及配套的余熱利用系統(tǒng),室內(nèi)裝有現(xiàn)場(chǎng)電控柜及PLC柜。The inlet pump station is designed for pumping sewage to satisfy the treatment flow and vertical link up. It is an underground reinforced concrete rectangular tank， will be built together with the coarse screen. Sewage is pumped to the fine screen s

32、tation through channels. 6 screw pumps are adopted to improve efficiency and reduce maintenance。 3 are in operation and three standby in dry season and 6 in operation in rain season。 2 of the 6 screw pumps are drove by biogas engines due to the balance calculation of the biogas. In the first period

33、of operation when there is not enough biogas， the 2 biogas engines will use natural gas as fuel。 Special trucks will be leased from the natural gas substation according to operation requirement. A rectangular gate is set before each of the screw pump for its maintenance. A pump house is built on the

34、 channels in which are engines for screw pumps， heat recycling systems and PLC & control panels。粗格柵間尺寸： 長(zhǎng)X寬X高 7m x 8m x 5。8mDimensions of the coarse screen： Length x width x heigh 7m x 8m x 5.8mB。 主要設(shè)備及參數(shù)Main equipments and parameters齒耙除污機(jī)Rake數(shù)量： 3套Quantity: 3 sets格柵寬度：B=2。0mWidth of the screen: B=2

35、.0m柵條間隙：b=80mmClearance of the bars： b=80mm柵條傾角:=70oInclination of the bars： =70o柵前水深：2。25m（雨季）Water depth before screen: 2.25m(rain season） 1。47m（旱季最大）1。47m (max.in dry season) 過柵流速：0。65m/s 旱季流速velocity ： 0.65m/s(Dry season）1。0m/s雨季流速1。0m/s (rain season)電動(dòng)閘門數(shù)量： 3套Quantity： 3 sets規(guī)格： 2m x 1。8m N=2。2

36、kwSpecification: 2m x 1。8m N=2.2kw螺旋泵及配套設(shè)備Screw pumps and its accessories設(shè)備數(shù)量：6 套（雨季全開，平均旱季2臺(tái)，最大旱季3臺(tái)）Quantity：6 sets （all in operation in rain season,aver.2 and max.3in dry season)流量： Q=1910 L/sFlow quantity: Q=1910 L/s提升高度：H=8.28m（設(shè)計(jì)水位13。30m,提升后水位21.58m）Head: H=8.28m（min.water level 13.30,and 21.58

37、 after pumping)螺旋直徑：D=2。850mDiameter of the screw：D=2。850m配套電機(jī)Engines設(shè)備數(shù)量:4套Quantity： 4 sets單臺(tái)功率 N=250 kwPower for each： N=250 kw沼氣發(fā)動(dòng)機(jī)Biogas engines設(shè)備數(shù)量:2套Quantity: 2 sets單臺(tái)功率 N=250 kwPower for each： N=250 kw所需沼氣量 6178N m3/dBiogas needed： 6178N m3/d可利用余熱 1237x104Kcal/dUsable remain heat: 1237x104Kca

38、l/d -熱回收系統(tǒng) 300KW -Heat recovery system 300KW -緊急冷卻系統(tǒng) 96Kcal/s -Emergency air cooler 96Kcal/s -油泵 40l/h -Oil pump 40l/h疊梁閘門Pensrock數(shù)量：6套Quantity:6 sets(2) 細(xì)格柵站Fine screen station設(shè)計(jì)參數(shù)及描述Description of the design parameters細(xì)格柵站土建及設(shè)備規(guī)模均按一期規(guī)模設(shè)計(jì)并充分考慮與二、三期規(guī)模的銜接.Scale of civil Engineering and equipments are

39、 set forth according to the first stage and give full consideration to the further second and third stage.設(shè)計(jì)流量：雨季最大流量Qmax=11.46 m3/sDesign flow quantity：Rain season Qmax=11.46 m3/s 旱季最大流量Q旱max=4。40 m3/s Dry season Q max=4.40 m3/s旱季平均流量Q平均=3.82 m3/sDry season Q aver。 =3。82 m3/s設(shè)置細(xì)格柵可去除原水中漂浮物以及雜物，保證后續(xù)

40、處理流程的通暢，設(shè)有八條渠道。八條渠道格柵前后分別裝有閘門以便檢修。細(xì)格柵的柵渣由螺旋傳送至柵渣壓實(shí)后送往柵渣箱中,污水經(jīng)過細(xì)格柵后進(jìn)入曝氣沉砂池.細(xì)格柵站與進(jìn)水泵房聯(lián)建，單渠寬2.0m。The fine screen station is designed to remove floaters in the raw sewage to ensure a smooth flow in the following treatment. 8 channels, each is equipped with penstorks for maintenance, are set。 Screens are

41、 removed by screw conveyor and crushed by screens presser, and sent into dustin. Sewage flows into aeration grit chamber after fine screen. Fine screen station is built together with inlet pump station, and single channel width is 2.0m。主要設(shè)備及參數(shù)Main equipments and parameters機(jī)械旋轉(zhuǎn)細(xì)格柵Mechanical rotation

42、fine screen數(shù)量： 8臺(tái)Quantity: 8 sets格柵寬度：B=1。8mWidth: B=1.8m柵條間隙: b=15mmClearance between bars: b=15mm格柵傾角:=70oInclination : =70o柵前水深：1。6mWater depth ： 1。6m單臺(tái)功率 N=2.2 kwPower for each： N=2。2 kw螺旋輸送機(jī)Screw conveyor數(shù)量： 1臺(tái)Quantity: 1 set規(guī)格： 6m3/h L=23mSpecification： 6m3/h L=23m單臺(tái)功率： N=3。7kwPower for each s

43、et： N=3。7kw柵渣壓實(shí)機(jī)Screen presser數(shù)量： 1臺(tái)Quantity： 1 set規(guī)格: 6m3/hSpecification： 6m3/h單臺(tái)功率： N=1。5kwPower for each set: N=1。5kwa. 手動(dòng)渠道閘門Manual Channel Penstock數(shù)量: 16套Quantity: 16 sets規(guī)格： 2。0m x 1。8mSpecification： 2。0m x 1.8m（3) 曝氣沉砂池Aeration Grit ChamberA。設(shè)計(jì)參數(shù)及描述Description of the design parameters曝氣沉砂池土建及

44、設(shè)備規(guī)模均按一期規(guī)模設(shè)計(jì)并充分考慮與二、三期規(guī)模的銜接。Scale of civil Engineering and equipments are set forth according to the first stage and give full consideration to the further second and third stage。設(shè)計(jì)流量：雨季最大流量Qmax=11.46 m3/sDesign flow quantity:Rain season Qmax=11.46 m3/s 旱季最大流量Q旱max=4。40 m3/s Dry season Q max=4。40 m3

45、/s旱季平均流量Q平均=3。82 m3/sDry season Q aver。 =3。82 m3/s沉砂池采用曝氣沉砂池系統(tǒng)，可去除原水中粒徑較大的無(wú)機(jī)砂粒,以保證后續(xù)流程的正常運(yùn)行。The aeration grit setting system of the grit chamber can remove the relative big inorganic granules to ensure a smooth flow in the following treatment。吸砂泵提升沉砂至砂水分離器，進(jìn)行砂水分離。污水經(jīng)沉砂池后進(jìn)入氧化溝。羅茨鼓風(fēng)機(jī)放置于進(jìn)水泵房一層內(nèi)。Grit re

46、moval pump raises grits to grit classifier,which separate grit from water。The sewage flows into oxidation ditch after setting.The blowers are put in first floot of the pump station。采用兩組沉砂池系統(tǒng)(每組兩池）。Two groups of grit chambers are adopted（each with two chambers）.池?cái)?shù)：4池Number of tanks：4 chambers雨季停留時(shí)間:2

47、 minRetention time in dry seasons：5 min池長(zhǎng)：L=30mLength of the chamber:L=30m池寬:B=4。0mWidth of the chamber:B=4。0m有效水深約 H效=3.0 mEffective water depth ： Heffective=3。0 m所需空氣量：1788 m3/hAir needed： 1788 m3/hB。 主要設(shè)備及參數(shù)Main equipments and parametersa. 刮砂橋Grit scraper數(shù)量： 2套(兩池共用1套）Quantity： 2 sets（one for eac

48、h two chambers）橋長(zhǎng)： L=10mLength: L=10m單臺(tái)功率： N=0。75kwPower for each set: N=0.75kwb. 吸砂泵Grit removeal pump數(shù)量： 4套Quantity： 4 sets規(guī)格: Q=40m3/h H=5mSpecification： Q=40m3/h H=5m單臺(tái)功率： N=2.2kwPower for each set: N=2。2kwc. 羅茨鼓風(fēng)機(jī)Blowers數(shù)量: 3套（二用一備)Quantity： 3 sets(one standby）規(guī)格： Q=895m3/h H=3.5mSpecification:

49、 Q=895m3/h H=3.5m單臺(tái)功率: 18kwPower for each set: 18kwd. 砂水分離器數(shù)量： 2套Quantity： 2 sets規(guī)格： Q=70120m3/hSpecification： Q=70120m3/h單臺(tái)功率： N=1.1kwPower for each set： N=1.1kwe. 手動(dòng)渠道閘門Manual channel penstock數(shù)量： 4套Quantity: 4 sets規(guī)格： 1.5m x 1。5mSpecification: 1。5m x 1.5mf. 手動(dòng)渠道閘門Manual channel penstock數(shù)量： 4套Quant

50、ity： 4 sets規(guī)格： 1。5m x 1。8mSpecification： 1。5m x 1.8m(4） 雨水溢流渠Rain Overflow ChannelA。設(shè)計(jì)參數(shù)及描述Description of the design parameters為矩形鋼筋砼結(jié)構(gòu)，池內(nèi)設(shè)有調(diào)節(jié)堰板,雨季時(shí)可調(diào)節(jié)溢流量以保證進(jìn)入氧化溝流量的穩(wěn)定。在進(jìn)入氧化溝渠道的入口處裝有疊梁閘，雨季時(shí)可插入疊梁閘板以保證進(jìn)入氧化溝流量的穩(wěn)定.溢流后的雨水直接排入低排溝，該渠道按一期規(guī)模設(shè)計(jì)。Rectangular reinforced concrete structure with adjustable weir in

51、 for adjustment of overflow quantity in rain seasons to ensure stability in the oxidation ditches. Stop logs are installed in the entrance of the oxidation ditches, to ensure the stable operation of the oxidation ditches in rain seasons。 The overflowed rain flows into Dipai Trough directly， and the overflow channel is designed as the first stage （330，000m3/d)。主要設(shè)計(jì)參數(shù)：Main design parameters：最大雨水溢流量 6。49m3/sMax.overflow quantity of the rain water: 6.49m3/s池長(zhǎng):20mLength of the tank：20mB. 主要設(shè)備及參數(shù)Main equipments and parametersa. 電動(dòng)調(diào)節(jié)堰板Electric adjustable weir規(guī)格:L