SBR工藝工程設(shè)計(jì)計(jì)算書(shū)-新建工程多方案比較_圖文

1、連連續(xù)續(xù)或或間間歇歇進(jìn)進(jìn)水水的的SBRSBR工工藝藝反反應(yīng)應(yīng)池池的的工工程程設(shè)設(shè)計(jì)計(jì)計(jì)計(jì)算算計(jì)算項(xiàng)目：10000m3/d城市污水處理工程多方案比較資料來(lái)源：武漢市海利水業(yè)環(huán)保有限公司(2005/07)序號(hào)計(jì)算項(xiàng)目符號(hào)單位舉例數(shù)據(jù)方案 1方案 2方案 3本計(jì)算書(shū)由 海海利利環(huán)環(huán)保保 根據(jù)給水排水Vol.31天津市政和華北市政“推薦一種新的SBR工藝設(shè)計(jì)計(jì)算方法”整理、編制，并由本公司完成其他的計(jì)算項(xiàng)目。1外部條件論文原例 選用HLB型潷水器選用浮筒式潷水器 選用旋轉(zhuǎn)式潷水器1.1設(shè)計(jì)規(guī)模Qm3/d500001000010000100001.2日變化系數(shù)Kd1.171.21.21.21.3總變化系

2、數(shù)KT1.381.421.421.421.4進(jìn)水BOD5Ljmg/L1501851851851.5進(jìn)水CODCrCjmg/L3303003003001.6進(jìn)水SSSjmg/L2001831831831.7進(jìn)水TNNjmg/L353434341.8出水BOD5Lchmg/L202020201.9出水CODCrCchmg/L1001001001001.10出水SSSchmg/L202020201.11出水TNNchmg/L151515151.12設(shè)計(jì)最低水溫T101212121.13污泥指數(shù)SVImL/g1501601601602選定參數(shù)2.1周期時(shí)長(zhǎng)TCh66662.2周期數(shù)N次/天44442.

3、3反應(yīng)時(shí)間TFh44442.4沉淀時(shí)間Tsh11112.5潷水時(shí)間Tchh11112.6池水深度Hm54.54.54.52.7安全高度Hfm0.70.150.50.82.8保護(hù)層水深Hpm0.250.250.80.13計(jì)算污泥量3.1設(shè)計(jì)水量Qdm3/d585001200012000120003.2好氧泥齡CNd7.48.08.08.03.3 反應(yīng)泥齡試算值CFd11.010.010.010.03.3反應(yīng)泥齡CFd11.010.110.110.13.4缺氧泥齡CDd3.62.12.12.13.5總泥齡Cd16.515.115.115.13.6污泥產(chǎn)率系數(shù)YkgSS/kgBOD51.1480.9

4、450.9450.9453.7反應(yīng)池污泥總量STkg144133.52824628246282464計(jì)算反應(yīng)池池容4.1給定最高日最高時(shí)流量Qhm3/h28805565565564.2實(shí)際沉淀時(shí)間Tsh1.831.831.831.834.3反應(yīng)池池容(間歇進(jìn)水)Vm3491378342104039443反應(yīng)池池容(連續(xù)進(jìn)水)Vm3457737688978188035其他參數(shù)5.1缺氧反應(yīng)時(shí)段TDh1.30.80.80.85.2好氧反應(yīng)時(shí)段TOh2.73.23.23.25.3間歇進(jìn)水潷水深度Hm1.761.801.441.59連續(xù)進(jìn)水潷水深度Hm1.571.631.281.425.4高水位時(shí)污泥

5、濃度NWTg/L2.933.392.722.995.5低水位時(shí)污泥濃度NWLg/L4.525.644.004.635.6污泥負(fù)荷FWkgBOD5/kgMLSSd0.0910.1180.1180.1185.7水力停留時(shí)間th20.216.720.818.95.8間歇進(jìn)水方式池?cái)?shù)選擇n格6 63 33 33 35.9單池容積Vim381892781346831485.10單池面積Fim216386187716995.11單池貯水容積Vim328801112111211125.12計(jì)算最低水位HLm3.242.703.062.915.13計(jì)算最低泥位Hsm2.292.301.762.015.14單池

6、寬度Bm16.514.4016.0015.305.15單池長(zhǎng)度Lm99.142.9048.2045.705.16方形池實(shí)際總面積Asm298271853231420985.17方形池實(shí)際總體積Vsm356999945211799106985.18池子超高H1m0.80.60.60.65.19池子總深度HZm5.85.15.15.15.20單池進(jìn)水流量Qjm3/h14405565565565.21單池設(shè)潷水器臺(tái)數(shù)nb臺(tái)11115.22單臺(tái)潷水器流量Qbm3/h28801112111211125.23排水溝溝底比池底高H0m1.202.2102.2102.2105.24排水終了前排水溝水深m0.6

7、00.0500.0500.1805.25最大水頭Hmaxm3.202.2402.2402.1105.26最小水頭Hminm1.40.4400.7970.5205.27單臺(tái)潷水器流量要求Qam3/h31681223122312235.28潷水器選型ModHLB1223-0.44-1.8/4.5-500PAFT1223XB12236生物選擇器與回流6.1占反應(yīng)池體積之比P%21.8%14.0%14.0%14.0%6.2生物選擇器單池體積V1m317893894854406.3生物選擇器單池長(zhǎng)度L1m21.76.006.746.396.4回流比R%30%30%30%30%6.5回流時(shí)間TRh2.02

8、.02.02.06.6回流泵設(shè)計(jì)流量QRm3/s0.060.0230.0230.0236.7回流泵設(shè)計(jì)揚(yáng)程HRmH2O6.05.55.55.56.8回流泵同時(shí)運(yùn)行臺(tái)數(shù)nR臺(tái)11116.9回流泵備用臺(tái)數(shù)nR1臺(tái)00006.10單臺(tái)回流泵設(shè)計(jì)流量QR1m3/s0.0600.0230.0230.0236.11回流泵有效功率NckW3.51.21.21.26.12回流泵綜合效率Z%68.0%61.5%61.5%61.5%6.13回流泵需配電機(jī)功率NbkW5.22.02.02.06.14回流泵配電機(jī)額定功率NekW5.52.22.22.27剩余污泥與排出7.1污泥增值系數(shù)a0.70.70.70.77.2

9、污泥自身氧化率b0.040.040.040.047.3每天污泥凈產(chǎn)量SGwkg/d87311871187118717.4去除每千克BOD產(chǎn)泥量xkg/kgBOD0.2620.3610.3610.3617.5剩余污泥排出濃度NW1g/L8.08.08.08.07.6每天排剩余污泥體積VSGm3/d10912342342347.7單池周期排泥體積Vsim3451919197.8每次排泥時(shí)間Tpmin1010.010.010.07.9剩余污泥泵設(shè)計(jì)流量Qsm3/s0.0760.0320.0320.0327.10剩余污泥泵設(shè)計(jì)揚(yáng)程HsmH2O9.08.08.08.07.11剩余污泥泵選用臺(tái)數(shù)ns臺(tái)11

10、117.12單臺(tái)泵設(shè)計(jì)流量Qs1m3/s0.0760.0320.0320.0327.13剩余污泥泵有效功率NckW6.72.52.52.57.14剩余污泥泵綜合效率Z%74.1%68.4%68.4%68.4%7.15剩余泵需配電機(jī)功率NbkW9.03.73.73.77.16剩余泵配電機(jī)額定功率NekW114.04.04.08耗氧量計(jì)算8.1每天去除BOD的量BODkg/d76051980198019808.2碳的氧當(dāng)量a1.4661.4661.4661.4668.3每天去除總氮的量NHkg/d11702282282288.4活性污泥含氮量P%12.5%12.5%12.5%12.5%8.5氨氮的

11、氧當(dāng)量b4.64.64.64.68.6細(xì)菌細(xì)胞的氧當(dāng)量c1.421.421.421.428.7反消化回收氧系數(shù)d2.902.902.902.908.8反消化氨氮量NOkg/d00008.9每天排出的活性污泥量Vsskg/d19927147147148.10設(shè)計(jì)需氧量AORkg/d125562527252725278.11去除每千克BOD耗氧量Rokg/kgBOD1.651.281.281.288.12折算為20標(biāo)準(zhǔn)供氣量8.13曝氣器氧轉(zhuǎn)移效率E%20%20%20%20%8.14氣泡離開(kāi)水面的氧百分比Ot%17.5%17.5%17.5%17.5%8.15曝氣器的安裝高度H1m0.500.500

12、.500.508.16當(dāng)?shù)卮髿鈮篜0Pa1013001013001013001013008.17曝氣器的絕對(duì)壓力PbPa1454001405001405001405008.18設(shè)計(jì)最低水溫下氧飽和度Csmg/L11.2010.7810.7810.788.19氧的平均濃度Csmmg/L12.7111.9811.9811.9820下的氧平均濃度Csm(T0)mg/L10.3310.1110.1110.118.20表面活性劑的影響系數(shù)k10.850.850.850.858.21含鹽量的影響系數(shù)k20.900.900.900.908.22當(dāng)?shù)卮髿鈮旱挠绊懴禂?shù)k31.001.001.001.008.23

13、污水實(shí)際溶解氧濃度Clmg/L2.002.002.002.008.24標(biāo)準(zhǔn)供氣量換算系數(shù)K1.571.591.591.598.25標(biāo)準(zhǔn)供氣量SORkgO2/d196994011401140118.26標(biāo)準(zhǔn)供氣量Gsm3/d3517717162371623716238.27氣水比6.015.975.975.978.28去除每千克BOD供氣量Vom3/kg46.336.236.236.29曝氣設(shè)備選擇9.1鼓風(fēng)曝氣設(shè)備選擇9.1.1每天曝氣的總時(shí)間Tbh964848489.1.2單池最大曝氣量Qbm3/h36641492149214929.1.3單只曝氣器曝氣量Qjm3/h個(gè)3.03.03.03.

14、09.1.4單只曝氣器服務(wù)面積Fjm2/個(gè)0.70.70.70.79.1.5按曝氣量選單池?cái)?shù)量na1個(gè)15276226226229.1.6按服務(wù)面積選單池?cái)?shù)量na2個(gè)32501226152913889.1.7實(shí)際單池選取曝氣器數(shù)量na個(gè)32501226152913889.1.8實(shí)際選用曝氣器總數(shù)nz個(gè)195003678458741649.1.9最多同時(shí)曝氣的池?cái)?shù)nb座42229.1.10 最大曝氣量Qmaxm3/h146572984298429849.1.11 曝氣管網(wǎng)阻力損失hm1.201.201.201.209.1.12 曝氣管網(wǎng)漏風(fēng)系數(shù)k40.100.100.100.109.1.13 曝

15、氣設(shè)備的風(fēng)壓hm6.205.705.705.709.1.14 鼓風(fēng)機(jī)計(jì)算風(fēng)量Qkm3/h161233283328332839.1.15 鼓風(fēng)機(jī)運(yùn)行臺(tái)數(shù)nb臺(tái)62229.1.16 鼓風(fēng)機(jī)備用臺(tái)數(shù)nc臺(tái)21119.1.17 單臺(tái)鼓風(fēng)機(jī)計(jì)算風(fēng)量Qjm3/h26871641164116419.1.18 單臺(tái)鼓風(fēng)機(jī)有效功率NjkW45.3525.4725.4725.479.1.19 總效率e%0.690.630.630.639.1.20 配套電機(jī)計(jì)算功率NdkW66.0940.4340.4340.439.1.21 配套電機(jī)額定功率NekW754545459.1.22 鼓風(fēng)機(jī)裝機(jī)功率NzkW6001351

16、351359.2潛水射流曝氣機(jī)選擇9.2.1每天曝氣的總時(shí)間Tbh964848489.2.2單池最大曝氣量GbkgO2/h205.283.683.683.69.2.3單臺(tái)曝氣機(jī)設(shè)計(jì)流量QjkgO2/h24.513.313.313.39.2.4單臺(tái)曝氣機(jī)服務(wù)面積Fjm2200.0100.0100.0100.09.2.5按曝氣量選單池臺(tái)數(shù)nb1臺(tái)97779.2.6按服務(wù)面積選單池臺(tái)數(shù)nb2臺(tái)86879.2.7實(shí)際選取曝氣機(jī)臺(tái)數(shù)nb臺(tái)97879.2.8曝氣機(jī)的有效功率NjkW5.542.612.282.619.2.9總效率e%61.7%35.3%35.3%35.3%9.2.10 配套電機(jī)計(jì)算功率Nd

17、kW8.987.406.487.409.2.11 配套電機(jī)功率NekW117.57.57.59.2.12 曝氣機(jī)總臺(tái)數(shù)nz臺(tái)542124219.2.13 曝氣機(jī)裝機(jī)功率NzkW594158180158特別說(shuō)明：自第5.9項(xiàng)及其后的計(jì)算方法系 海海利利環(huán)環(huán)保保 數(shù)據(jù)。 HLB型潷水器型號(hào)、意義見(jiàn): 海利環(huán)保網(wǎng)站-潷水器-選型方法-術(shù)語(yǔ)與定義計(jì)算人：計(jì)算公式或備注按最低溫度計(jì)算池容和曝氣量以滿足冬季需要按污泥指數(shù)取值附表取值一個(gè)完整周期的時(shí)間每天單池最多運(yùn)行周期次數(shù)僅指反應(yīng)池反應(yīng)階段的時(shí)間僅指沉淀池(亦反應(yīng)池)沉淀階段的時(shí)間僅指沉淀池(亦反應(yīng)池)潷水階段的時(shí)間本表以池底頂面標(biāo)高為0.000為相對(duì)高

18、程基準(zhǔn)預(yù)留堰口至污泥界面的高度,以防止污泥被帶出堰口淹沒(méi)深度,以防止浮渣被帶出Qd=KdQCN=3.4F1.10315-T 其中： BOD51200kg/d,F=1.8; BOD56000kg/d,F=1.45)CF=CN/(1-2.9Nd/(0.75Lj*OVc)式中：Nd=Nj-0.05(Lj-Lch)-NCHOVc=0.56+0.151.072T-15/(0.67/CN+0.171.072T-15)OVc=0.56+0.151.072T-15/(1/CF+0.171.072T-15)CD=CF-CNC=CFTC/TFY=K(0.75+0.6Sj/Lj-0.8*0.17*0.75CF1.0

19、72T-15/(1+0.17CF1.072T-15); 其中：K=0.90.95ST=QdCY(Lj-Lch)/1000Ts=Ts+Tch-1/6V=STSVIHf+Hp+(Hf+Hp)2+62400QhHTs/(STSVIN)1/2/(1300Ts)連連續(xù)續(xù)或或間間歇歇進(jìn)進(jìn)水水的的SBRSBR工工藝藝反反應(yīng)應(yīng)池池的的工工程程設(shè)設(shè)計(jì)計(jì)計(jì)計(jì)算算本計(jì)算書(shū)由 海海利利環(huán)環(huán)保保 根據(jù)給水排水Vol.31天津市政和華北市政“推薦一種新的SBR工藝設(shè)計(jì)計(jì)算方法”整理、編制，并由本公司完成其他的計(jì)算項(xiàng)目。V=STSVIHf+Hp+(Hf+Hp)2+62400QhHTs(1-Tch/Tc)/(STSVIN)1

20、/2/(1300Ts)TD=TF/(1+CN/CD)TO=TF-TDH=24QhH/(NV)H=24QhH/(NV)(1-Tch/TC)NWT=ST/VNWL=STH/(VHL), 指剛進(jìn)水時(shí)曝氣混合的濃度FW=Lj/CY(Lj-Lch)TC/TFt=24V/Qd盡可能同時(shí)滿足：（1）n2 （2）n=k1TC （3）n=k2Tc/Tch （4）n=k3Tc/ToVi=V/nFi=Vi/HVi=ViH/HHL=H-HHs=H-Hp-H-Hf按方形池分割方案：B=(Fi/n)1/2L=Fi/BAs=nBL, 未考慮隔墻面積Vs=AsHz, 未考慮隔墻體積H1取0.60.8mHz=H+H1Qj=Vi

21、/2，進(jìn)水時(shí)間按2h計(jì)算Qb=Vi/(nbTch)根據(jù)工程條件確定排水溝溝底高程后即得到H0根據(jù)排水溝坡度和潷水流量計(jì)算確定Hmax=H-H0-(溝底比池底低時(shí):Hmax=H+H0-)Hmin=Hmax-HQa=(1+10%)Qb, 按規(guī)定設(shè)備能力富裕10%HLB、FT、XB分別代表浮動(dòng)式、浮筒式、旋轉(zhuǎn)式的潷水器論論文文例例子子：6池池運(yùn)運(yùn)行行狀狀態(tài)態(tài)排排布布圖圖按反應(yīng)池與沉淀池合建方式（一體化池）甲乙丙丁戊己P=100CD/C1進(jìn)水V1=PVi2進(jìn)水L1=PL，寬度與反應(yīng)池相同3進(jìn)水可根據(jù)工藝的差異選取恰當(dāng)?shù)幕亓鞅?進(jìn)水指每周期運(yùn)轉(zhuǎn)時(shí)間，一般與進(jìn)水時(shí)間相同5進(jìn)水QR=R*Qj/(3600TR

22、)6進(jìn)水需經(jīng)阻力計(jì)算確定7進(jìn)水進(jìn)水指單池運(yùn)行臺(tái)數(shù)8進(jìn)水進(jìn)水指單池備用臺(tái)數(shù)9進(jìn)水進(jìn)水QR1=QR/nR10進(jìn)水進(jìn)水Nc=1000QR1*HR/10211進(jìn)水進(jìn)水曝氣將泵效率和電機(jī)效率相乘得到綜合效率12進(jìn)水進(jìn)水曝氣Nb=Nc/Z13進(jìn)水進(jìn)水曝氣按電機(jī)產(chǎn)品功率參數(shù)選擇或與回流泵配套購(gòu)置14進(jìn)水進(jìn)水曝氣15進(jìn)水進(jìn)水沉淀0.50.716進(jìn)水進(jìn)水潷水0.040.117進(jìn)水進(jìn)水曝氣SGw=ST/C18進(jìn)水進(jìn)水曝氣x=a-b/Fw19進(jìn)水進(jìn)水曝氣根據(jù)污泥性質(zhì)確定20進(jìn)水進(jìn)水曝氣VSG=SGw/NW121進(jìn)水進(jìn)水沉淀Vsi=VSG/(nN)22進(jìn)水進(jìn)水潷水一般在排水后期排泥23進(jìn)水進(jìn)水曝氣Qs=Vsi/(60

23、Tp)24進(jìn)水進(jìn)水曝氣需經(jīng)阻力計(jì)算確定次1進(jìn)水進(jìn)水曝氣指單池運(yùn)行臺(tái)數(shù)次2進(jìn)水進(jìn)水曝氣Qs1=Qs/ns次3進(jìn)水進(jìn)水沉淀Nc=1000Qs1*Hs/102次4進(jìn)水進(jìn)水潷水將泵效率和電機(jī)效率相乘得到綜合效率次5進(jìn)水進(jìn)水曝氣Nb=Nc/Z次6進(jìn)水進(jìn)水曝氣按電機(jī)產(chǎn)品功率參數(shù)選擇或與回流泵配套購(gòu)置次7進(jìn)水進(jìn)水曝氣次8進(jìn)水進(jìn)水曝氣BOD=Qd(Lj-Lch)/1000次9進(jìn)水進(jìn)水沉淀根據(jù)污水性質(zhì)試驗(yàn)確定，或參照同類(lèi)項(xiàng)目取值次10進(jìn)水進(jìn)水潷水3池池運(yùn)運(yùn)行行狀狀態(tài)態(tài)排排布布圖圖根據(jù)污水性質(zhì)試驗(yàn)確定，或參照同類(lèi)項(xiàng)目取值甲乙丙1進(jìn)水2進(jìn)水不考慮反消化回收的氧3進(jìn)水Vss=xBOD4進(jìn)水AOR=aBOD+bNH-(

24、c+pb)Vss-dNO5進(jìn)水曝氣Ro=AOR/BOD6進(jìn)水曝氣7進(jìn)水曝氣8進(jìn)水曝氣Ot=21(1-E)/79+21(1-E)9進(jìn)水沉淀10進(jìn)水潷水11進(jìn)水曝氣Pb=P0+9800(H-H1)12進(jìn)水曝氣根據(jù)含氧量與溫度關(guān)系表選取或插值法求取13進(jìn)水曝氣Csm=Cs(Pb/202600+100Ot/42)14進(jìn)水曝氣Csm=9.1(Pb/202600+100Ot/42)15進(jìn)水沉淀選取范圍：0.80.8516進(jìn)水潷水選取范圍：0.90.9717進(jìn)水曝氣當(dāng)?shù)卮髿鈮号c標(biāo)準(zhǔn)大氣壓的比值18進(jìn)水曝氣一般要求的DO值19進(jìn)水曝氣K=Csm(T0)/1.02(T-T0)k1k2k3Csm(T)-Cl,T0

25、=2020進(jìn)水曝氣SOR=KAOR21進(jìn)水沉淀Gs=SOR/(0.28E)，換算為空氣量22進(jìn)水潷水Gs/Qd,一般要求大于323進(jìn)水曝氣Vo=Gs/BOD24進(jìn)水曝氣曝氣曝氣Tb=NnTF沉淀Qb=Gs/Tb潷水na1=Qb/(0.8Qj)，考慮20%富裕量na2=Fi/(0.72Fj)，無(wú)曝氣盲區(qū)時(shí)利用率為72%MAX(na1,na2)排列如右圖示Qmax=nbQb根據(jù)供氣管路和曝氣器計(jì)算確定k4=0.050.1h=H+hQk=Qmax(1+k4)Qj=Qk/nbNj=9.8QjH/3600將鼓風(fēng)機(jī)效率和電機(jī)效率相乘得到綜合效率Nd=Nj/e按電機(jī)產(chǎn)品功率參數(shù)選擇或鼓風(fēng)機(jī)配套電機(jī)功率Tb=

26、NnTFGb=SOR/Tb按產(chǎn)品性能選擇按產(chǎn)品性能選擇nb1=Gb/(0.9Qj), 考慮10%的富裕能力nb2=Fi/(0.9Fj), 考慮10%的富裕能力MAX(nb1,nb2)Nj=9.8GsH/(3600nbTb)將機(jī)械效率和電機(jī)效率相乘得到綜合效率Nd=Nj/e按電機(jī)產(chǎn)品功率參數(shù)選擇或曝氣機(jī)配套電機(jī)功率nz=nnb表表1 1：只只去去除除含含碳碳有有機(jī)機(jī)物物時(shí)時(shí)最最小小泥泥齡齡和和建建議議泥泥齡齡污水處理廠規(guī)模BOD51200kg/dBOD56000kg/d最小泥齡/d54建議泥齡/d65表表2 2：要要求求硝硝化化時(shí)時(shí)最最小小泥泥齡齡和和建建議議泥泥齡齡污水處理廠規(guī)模BOD51200kg/dBOD56000kg/d設(shè)計(jì)水溫/101214101214最小泥齡/d108.26.886.65.4建議泥齡/d119.27.897.66.4表表3 3：降降解解含含碳碳有有機(jī)機(jī)物物單單位位耗耗氧氧量量OvcOvc（kgO2/kgBOD5）T/泥齡CF(d)4568910121416182080.820.860.900.960.991.011.051.081.111.141.1690.830.880.910.981.001.031.071.101.131.151.17100.850.890.930.991.02