連續(xù)或間歇進(jìn)水的SBR工藝反應(yīng)池的工程設(shè)計(jì)計(jì)算

1、連續(xù)或間歇進(jìn)水的SBR工藝反應(yīng)池的工程設(shè)計(jì)計(jì)算,計(jì)算項(xiàng)目：10000m3/d城市污水處理工程多方案比較,計(jì)算人：,(2005/08),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,計(jì)算公式或備注,本計(jì)算表格是本公司根據(jù)天津市市政設(shè)計(jì)研究院 周雹 和中國(guó)市政工程華北設(shè)計(jì)研究院 周丹 兩位給排水專家聯(lián)合發(fā)表的推薦一種新的SBR工藝設(shè)計(jì)計(jì)算方法論文（詳見(jiàn)給水排水2005年第4期）編制的，該計(jì)算方法借鑒了德國(guó)ATV標(biāo)準(zhǔn)A131E單段活性污泥污水處理廠的設(shè)計(jì)（2000年版）和日本下水道事業(yè)團(tuán)主編的序批式活性污泥法設(shè)計(jì)指南（1990年版），結(jié)合了近年來(lái)國(guó)內(nèi)諸多SBR工藝的設(shè)計(jì)經(jīng)驗(yàn)，可

2、謂是完善化的SBR工藝的簡(jiǎn)便計(jì)算方法。計(jì)算表格更加徹底地量化了兩位專家的設(shè)計(jì)思想，表格中的“舉例數(shù)據(jù)”欄是上述論文數(shù)據(jù),建議不要?jiǎng)h除，方案1、方案2、方案3的項(xiàng)目設(shè)計(jì)數(shù)據(jù)可以刪除。,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,Q,m3/d,50000,10000,10000,10000,1.2,日變化系數(shù),Kd,1.17,1.2,1.2,1.2,1.3,總變化系數(shù),KT,1.38,1.42,1.42,1.42,1.4,進(jìn)水BOD5,Lj,mg/L,150,185,185,185,1.5,進(jìn)水CODCr,Cj,mg/L,330,300,300

3、,300,1.6,進(jìn)水SS,Sj,mg/L,200,183,183,183,1.7,進(jìn)水TN,Nj,mg/L,35,34,34,34,1.8,出水BOD5,Lch,mg/L,20,20,20,20,1.9,出水CODCr,Cch,mg/L,100,100,100,100,1.10,出水SS,Sch,mg/L,20,20,20,20,1.11,出水TN,Nch,mg/L,15,15,15,15,1.12,設(shè)計(jì)最低水溫,T,10,12,12,12,按最低溫度計(jì)算池容和曝氣量以滿足冬季需要,1.13,污泥指數(shù),SVI,mL/g,150,160,160,160,按污泥指數(shù)取值附表取值,2,選定參數(shù),2

4、.1,周期時(shí)長(zhǎng),TC,h,6,6,6,6,一個(gè)完整周期的時(shí)間,2.2,周期數(shù),N,次/天,4,4,4,4,每天單池最多運(yùn)行周期次數(shù),2.3,反應(yīng)時(shí)間,TF,h,4,4,4,4,僅指反應(yīng)池反應(yīng)階段的時(shí)間,2.4,沉淀時(shí)間,Ts,h,1,1,1,1,僅指沉淀池(亦反應(yīng)池)沉淀階段的時(shí)間,2.5,潷水時(shí)間,Tch,h,1,1,1,1,僅指沉淀池(亦反應(yīng)池)潷水階段的時(shí)間,2.6,池水深度,H,m,5,4.5,4.5,4.5,本表以池底頂面標(biāo)高為0.000為相對(duì)高程基準(zhǔn),2.7,安全高度,Hf,m,0.7,0.1,0.5,0.8,預(yù)留堰口至污泥界面的高度,以防止污泥被帶出,2.8,保護(hù)層水深,Hp,m

5、,0.25,0.3,0.8,0.1,堰口淹沒(méi)深度,以防止浮渣被帶出,3,計(jì)算污泥量,3.1,設(shè)計(jì)水量,Qd,m3/d,58500,12000,12000,12000,Qd=KdQ,3.2,好氧泥齡,CN,d,7.4 ,8.0 ,8.0 ,8.0 ,CN=3.4F1.10315-T 其中： BOD51200kg/d,F=1.8; BOD56000kg/d,F=1.45),3.3,反應(yīng)泥齡試算值,CF,d,11.0 ,10.0 ,10.0 ,10.0 ,CF=CN/(1-2.9Nd/(0.75Lj*OVc),式中：Nd=Nj-0.05(Lj-Lch)-NCH,OVc=0.56+0.151.072T

6、-15/(0.67/CN+0.171.072T-15),3.3,反應(yīng)泥齡,CF,d,11.0 ,10.1 ,10.1 ,10.1 ,OVc=0.56+0.151.072T-15/(1/CF+0.171.072T-15),3.4,缺氧泥齡,CD,d,3.6 ,2.1 ,2.1 ,2.1 ,CD=CF-CN,3.5,總泥齡,C,d,16.5 ,15.1 ,15.1 ,15.1 ,C=CFTC/TF,3.6,污泥產(chǎn)率系數(shù),Y,kgSS/kgBOD5,1.148 ,0.945 ,0.945 ,0.945 ,Y=K(0.75+0.6Sj/Lj-0.8*0.17*0.75CF1.072T-15 /(1+0

7、.17CF1.072T-15); 其中：K=0.90.95,3.7,反應(yīng)池污泥總量,ST,kg,144133.5191,28246 ,28246 ,28246 ,ST=QdCY(Lj-Lch)/1000,4,計(jì)算反應(yīng)池池容,4.1,給定最高日最高時(shí)流量,Qh,m3/h,2880,556 ,556 ,556 ,4.2,實(shí)際沉淀時(shí)間,Ts,h,1.83 ,1.83 ,1.83 ,1.83 ,Ts=Ts+Tch-1/6,4.3,反應(yīng)池池容(間歇進(jìn)水),V,m3,49137 ,8342 ,10403 ,9443 ,V=STSVIHf+Hp+(Hf+Hp)2+62400QhHTs/(STSVI N)1/

8、2/(1300Ts),反應(yīng)池池容(連續(xù)進(jìn)水),V,m3,45773 ,7688 ,9781 ,8803 ,V=STSVIHf+Hp+(Hf+Hp)2+62400QhHTs(1-Tch/Tc) /(STSVIN)1/2/(1300Ts),5,其他參數(shù),5.1,缺氧反應(yīng)時(shí)段,TD,h,1.3 ,0.8 ,0.8 ,0.8 ,TD=TF/(1+CN/CD),5.2,好氧反應(yīng)時(shí)段,TO,h,2.7 ,3.2 ,3.2 ,3.2 ,TO=TF-TD,5.3,間歇進(jìn)水潷水深度,H,m,1.76 ,1.80 ,1.44 ,1.59 ,H=24QhH/(NV),連續(xù)進(jìn)水潷水深度,H,m,1.57 ,1.63

9、,1.28 ,1.42 ,H=24QhH/(NV)(1-Tch/TC),5.4,高水位時(shí)污泥濃度,NWT,g/L,2.93 ,3.39 ,2.72 ,2.99 ,NWT=ST/V,5.5,低水位時(shí)污泥濃度,NWL,g/L,4.52 ,5.64 ,4.00 ,4.63 ,NWL=STH/(VHL), 指剛進(jìn)水時(shí)曝氣混合的濃度,5.6,污泥負(fù)荷,FW,kgBOD5/kgMLSSd,0.091 ,0.118 ,0.118 ,0.118 ,FW=Lj/CY(Lj-Lch)TC/TF,5.7,水力停留時(shí)間,t,h,20.2 ,16.7 ,20.8 ,18.9 ,t=24V/Qd,5.8,間歇進(jìn)水方式池?cái)?shù)

10、選擇,n,格,6 ,3 ,3 ,3 ,盡可能同時(shí)滿足：（1）n2, （2）n=k1TC, （3）n=k2Tc/Tch, （4）n=k3Tc/To,5.9,單池容積,Vi,m3,8189 ,2781 ,3468 ,3148 ,Vi=V/n,5.10,單池面積,Fi,m2,1638 ,618 ,771 ,699 ,Fi=Vi/H,5.11,單池貯水容積,Vi,m3,2880 ,1112 ,1112 ,1112 ,Vi=ViH/H,5.12,計(jì)算最低水位,HL,m,3.24 ,2.70 ,3.06 ,2.91 ,HL=H-H,5.13,計(jì)算最低泥位,Hs,m,2.29 ,2.30 ,1.76 ,2.

11、01 ,Hs=H-Hp-H-Hf,5.14,單池寬度,B,m,16.5 ,14.40 ,16.00 ,15.30 ,按方形池分割方案：B=(Fi/n)1/2,5.15,單池長(zhǎng)度,L,m,99.1 ,42.90 ,48.20 ,45.70 ,L=Fi/B,5.16,方形池實(shí)際總面積,As,m2,9827 ,1853 ,2314 ,2098 ,As=nBL, 未考慮隔墻面積,5.17,方形池實(shí)際總體積,Vs,m3,56999 ,9452 ,11799 ,10698 ,Vs=AsHz, 未考慮隔墻體積,5.18,池子超高,H1,m,0.8 ,0.6 ,0.6 ,0.6 ,H1取0.60.8m,5.1

12、9,池子總深度,HZ,m,5.8 ,5.1 ,5.1 ,5.1 ,Hz=H+H1,5.20,單池進(jìn)水流量,Qj,m3/h,1440 ,556 ,556 ,556 ,Qj=Vi/2，進(jìn)水時(shí)間按2h計(jì)算,5.21,單池設(shè)潷水器臺(tái)數(shù),nb,臺(tái),1 ,1 ,1 ,1 ,5.22,單臺(tái)潷水器流量,Qb,m3/h,2880 ,1112 ,1112 ,1112 ,Qb=Vi/(nbTch),5.23,排水溝溝底比池底高,H0,m,1.20 ,2.210 ,2.210 ,2.210 ,根據(jù)工程條件確定排水溝溝底高程后即得到H0,5.24,排水終了前排水溝水深,m,0.60 ,0.050 ,0.050 ,0.1

13、80 ,根據(jù)排水溝坡度和潷水流量計(jì)算確定,5.25,最大水頭,Hmax,m,3.20 ,2.240 ,2.240 ,2.110 ,Hmax=H-H0-(溝底比池底低時(shí):Hmax=H+H0-),5.26,最小水頭,Hmin,m,1.4 ,0.440 ,0.797 ,0.520 ,Hmin=Hmax-H,5.27,單臺(tái)潷水器流量要求,Qa,m3/h,3168 ,1223 ,1223 ,1223 ,Qa=(1+10%)Qb, 按規(guī)定設(shè)備能力富裕10%,5.28,潷水器選型,Mod,HLB1223-0.44-1.8/4.5-500PA,FT1223,XB1223,HLB、FT、XB分別代表浮動(dòng)式、浮筒

14、式、旋轉(zhuǎn)式的潷水器,論文例子：6池運(yùn)行狀態(tài)排布圖,6,生物選擇器與回流,按反應(yīng)池與沉淀池合建方式（一體化池）,甲,乙,丙,丁,戊,己,6.1,占反應(yīng)池體積之比,P,%,21.8%,14.0%,14.0%,14.0%,P=100CD/C,1,進(jìn)水,6.2,生物選擇器單池體積,V1,m3,1789 ,389 ,485 ,440 ,V1=PVi,2,進(jìn)水,6.3,生物選擇器單池長(zhǎng)度,L1,m,21.7 ,6.00 ,6.74 ,6.39 ,L1=PL，寬度與反應(yīng)池相同,3,進(jìn)水,6.4,回流比,R,%,30%,30%,30%,30%,可根據(jù)工藝的差異選取恰當(dāng)?shù)幕亓鞅?4,進(jìn)水,6.5,回流時(shí)間,TR

15、,h,2.0 ,2.0 ,2.0 ,2.0 ,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,6.6,回流泵設(shè)計(jì)流量,QR,m3/s,0.06 ,0.023 ,0.023 ,0.023 ,QR=R*Qj/(3600TR),6,進(jìn)水,6.7,回流泵設(shè)計(jì)揚(yáng)程,HR,mH2O,6.0 ,5.5 ,5.5 ,5.5 ,需經(jīng)阻力計(jì)算確定,7,進(jìn)水,進(jìn)水,6.8,回流泵同時(shí)運(yùn)行臺(tái)數(shù),nR,臺(tái),1 ,1 ,1 ,1 ,指單池運(yùn)行臺(tái)數(shù),8,進(jìn)水,進(jìn)水,6.9,回流泵備用臺(tái)數(shù),nR1,臺(tái),0 ,0 ,0 ,0 ,指單池備用臺(tái)數(shù),9,進(jìn)水,進(jìn)水,6.10,單臺(tái)回流泵設(shè)計(jì)流量,QR1,m3/s,0.060 ,0.0

16、23 ,0.023 ,0.023 ,QR1=QR/nR,10,進(jìn)水,進(jìn)水,6.11,回流泵有效功率,Nc,kW,3.5 ,1.2 ,1.2 ,1.2 ,Nc=1000QR1*HR/102,11,進(jìn)水,進(jìn)水,曝氣6.12,回流泵綜合效率,Z,%,68.0%,61.5%,61.5%,61.5%,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6.13,回流泵需配電機(jī)功率,Nb,kW,5.2 ,2.0 ,2.0 ,2.0 ,Nb=Nc/Z,13,進(jìn)水,進(jìn)水,曝氣6.14,回流泵配電機(jī)額定功率,Ne,kW,5.5 ,2.2 ,2.2 ,2.2 ,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

17、,進(jìn)水,進(jìn)水,曝氣7,剩余污泥與排出,15,進(jìn)水,進(jìn)水,沉淀7.1,污泥增值系數(shù),a,0.7 ,0.7 ,0.7 ,0.7 ,0.50.7,16,進(jìn)水,進(jìn)水,潷水7.2,污泥自身氧化率,b,0.04 ,0.04 ,0.04 ,0.04 ,0.040.1,17,進(jìn)水,進(jìn)水,曝氣7.3,每天污泥凈產(chǎn)量,SGw,kg/d,8731 ,1871 ,1871 ,1871 ,SGw=ST/C,18,進(jìn)水,進(jìn)水,曝氣7.4,去除每千克BOD產(chǎn)泥量,x,kg/kgBOD,0.262 ,0.361 ,0.361 ,0.361 ,x=a-b/Fw,19,進(jìn)水,進(jìn)水,曝氣7.5,剩余污泥排出濃度,NW1,g/L,8

18、.0 ,8.0 ,8.0 ,8.0 ,根據(jù)污泥性質(zhì)確定,20,進(jìn)水,進(jìn)水,曝氣7.6,每天排剩余污泥體積,VSG,m3/d,1091 ,234 ,234 ,234 ,VSG=SGw/NW1,21,進(jìn)水,進(jìn)水,沉淀7.7,單池周期排泥體積,Vsi,m3,45 ,19 ,19 ,19 ,Vsi=VSG/(nN),22,進(jìn)水,進(jìn)水,潷水7.8,每次排泥時(shí)間,Tp,min,10 ,10.0 ,10.0 ,10.0 ,一般在排水后期排泥,23,進(jìn)水,進(jìn)水,曝氣7.9,剩余污泥泵設(shè)計(jì)流量,Qs,m3/s,0.076 ,0.032 ,0.032 ,0.032 ,Qs=Vsi/(60Tp),24,進(jìn)水,進(jìn)水,

19、曝氣7.10,剩余污泥泵設(shè)計(jì)揚(yáng)程,Hs,mH2O,9.0 ,8.0 ,8.0 ,8.0 ,需經(jīng)阻力計(jì)算確定,次1,進(jìn)水,進(jìn)水,曝氣7.11,剩余污泥泵選用臺(tái)數(shù),ns,臺(tái),1 ,1 ,1 ,1 ,指單池運(yùn)行臺(tái)數(shù),次2,進(jìn)水,進(jìn)水,曝氣7.12,單臺(tái)泵設(shè)計(jì)流量,Qs1,m3/s,0.076 ,0.032 ,0.032 ,0.032 ,Qs1=Qs/ns,次3,進(jìn)水,進(jìn)水,沉淀7.13,剩余污泥泵有效功率,Nc,kW,6.7 ,2.5 ,2.5 ,2.5 ,Nc=1000Qs1*Hs/102,次4,進(jìn)水,進(jìn)水,潷水7.14,剩余污泥泵綜合效率,Z,%,74.1%,68.4%,68.4%,68.4%,

20、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7.15,剩余泵需配電機(jī)功率,Nb,kW,9.0 ,3.7 ,3.7 ,3.7 ,Nb=Nc/Z,次6,進(jìn)水,進(jìn)水,曝氣7.16,剩余泵配電機(jī)額定功率,Ne,kW,11 ,4.0 ,4.0 ,4.0 ,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8,耗氧量計(jì)算,次8,進(jìn)水,進(jìn)水,曝氣8.1,每天去除BOD的量,BOD,kg/d,7605 ,1980 ,1980 ,1980 ,BOD=Qd(Lj-Lch)/1000,次9,進(jìn)水,進(jìn)水,沉淀8.2,碳的氧當(dāng)量,a,1.466 ,1.466 ,1.466 ,1.466 ,根

21、據(jù)污水性質(zhì)試驗(yàn)確定，或參照同類項(xiàng)目取值,次10,進(jìn)水,進(jìn)水,潷水8.3,每天去除總氮的量,NH,kg/d,1170 ,228 ,228 ,228 ,8.4,活性污泥含氮量,P,%,12.5%,12.5%,12.5%,12.5%,3池運(yùn)行狀態(tài)排布圖,8.5,氨氮的氧當(dāng)量,b,4.6 ,4.6 ,4.6 ,4.6 ,根據(jù)污水性質(zhì)試驗(yàn)確定，或參照同類項(xiàng)目取值,甲,乙,丙,8.6,細(xì)菌細(xì)胞的氧當(dāng)量,c,1.42 ,1.42 ,1.42 ,1.42 ,1,進(jìn)水,8.7,反消化回收氧系數(shù),d,2.90 ,2.90 ,2.90 ,2.90 ,2,進(jìn)水,8.8,反消化氨氮量,NO,kg/d,0 ,0 ,0 ,

22、0 ,不考慮反消化回收的氧,3,進(jìn)水,8.9,每天排出的活性污泥量,Vss,kg/d,1992 ,714 ,714 ,714 ,Vss=xBOD,4,進(jìn)水,8.10,設(shè)計(jì)需氧量,AOR,kg/d,12556 ,2527 ,2527 ,2527 ,AOR=aBOD+bNH-(c+pb)Vss-dNO,5,進(jìn)水,曝氣,8.11,去除每千克BOD耗氧量,Ro,kg/kgBOD,1.65 ,1.28 ,1.28 ,1.28 ,Ro=AOR/BOD,6,進(jìn)水,曝氣,8.12,折算為20標(biāo)準(zhǔn)供氣量,7,進(jìn)水,曝氣,8.13,曝氣器氧轉(zhuǎn)移效率,E,%,20%,20%,20%,20%,8,進(jìn)水,曝氣,8.14

23、,氣泡離開(kāi)水面的氧百分比,Ot,%,17.5%,17.5%,17.5%,17.5%,Ot=21(1-E)/79+21(1-E),9,進(jìn)水,沉淀,8.15,曝氣器的安裝高度,H1,m,0.50 ,0.50 ,0.50 ,0.50 ,10,進(jìn)水,潷水,8.16,當(dāng)?shù)卮髿鈮?P0,Pa,101300 ,101300 ,101300 ,101300 ,11,進(jìn)水,曝氣,8.17,曝氣器的絕對(duì)壓力,Pb,Pa,145400 ,140500 ,140500 ,140500 ,Pb=P0+9800(H-H1),12,進(jìn)水,曝氣,8.18,設(shè)計(jì)最低水溫下氧飽和度,Cs,mg/L,11.20 ,10.78 ,1

24、0.78 ,10.78 ,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,8.19,氧的平均濃度,Csm,mg/L,12.71 ,11.98 ,11.98 ,11.98 ,Csm=Cs(Pb/202600+100Ot/42),14,進(jìn)水,曝氣,20下的氧平均濃度,Csm(T0),mg/L,10.33 ,10.11 ,10.11 ,10.11 ,Csm=9.1(Pb/202600+100Ot/42),15,進(jìn)水,沉淀,8.20,表面活性劑的影響系數(shù),k1,0.85 ,0.85 ,0.85 ,0.85 ,選取范圍：0.80.85,16,進(jìn)水,潷水,8.21,含鹽量的影響系數(shù),k2,0.9

25、0 ,0.90 ,0.90 ,0.90 ,選取范圍：0.90.97,17,進(jìn)水,曝氣,8.22,當(dāng)?shù)卮髿鈮旱挠绊懴禂?shù),k3,1.00 ,1.00 ,1.00 ,1.00 ,當(dāng)?shù)卮髿鈮号c標(biāo)準(zhǔn)大氣壓的比值,18,進(jìn)水,曝氣,8.23,污水實(shí)際溶解氧濃度,Cl,mg/L,2.00 ,2.00 ,2.00 ,2.00 ,一般要求的DO值,19,進(jìn)水,曝氣,8.24,標(biāo)準(zhǔn)供氣量換算系數(shù),K,1.57 ,1.59 ,1.59 ,1.59 ,K=Csm(T0)/1.02(T-T0)k1k2k3Csm(T)-Cl,T0=20,20,進(jìn)水,曝氣,8.25,標(biāo)準(zhǔn)供氣量,SOR,kgO2/d,19699 ,4011

26、 ,4011 ,4011 ,SOR=KAOR,21,進(jìn)水,沉淀,8.26,標(biāo)準(zhǔn)供氣量,Gs,m3/d,328320 ,66848 ,66848 ,66848 ,Gs=SOR/(0.3E)，換算為空氣量,22,進(jìn)水,潷水,8.27,氣水比,5.61 ,5.57 ,5.57 ,5.57 ,Gs/Qd,一般要求大于3,23,進(jìn)水,曝氣,8.28,去除每千克BOD供氣量,Vo,m3/kg,43.2 ,33.8 ,33.8 ,33.8 ,Vo=Gs/BOD,24,進(jìn)水,曝氣,9,曝氣設(shè)備選擇,曝氣,9.1,鼓風(fēng)曝氣設(shè)備選擇,曝氣,9.1.1,每天曝氣的總時(shí)間,Tb,h,96 ,48 ,48 ,48 ,T

27、b=NnTF,沉淀,9.1.2,單池最大曝氣量,Qb,m3/h,3420 ,1393 ,1393 ,1393 ,Qb=Gs/Tb,潷水,9.1.3,單只曝氣器曝氣量,Qj,m3/h個(gè),3.0 ,3.0 ,3.0 ,3.0 ,9.1.4,單只曝氣器服務(wù)面積,Fj,m2/個(gè),0.7 ,0.7 ,0.7 ,0.7 ,9.1.5,按曝氣量選單池?cái)?shù)量,na1,個(gè),1425 ,580 ,580 ,580 ,na1=Qb/(0.8Qj)，考慮20%富裕量,9.1.6,按服務(wù)面積選單池?cái)?shù)量,na2,個(gè),3250 ,1226 ,1529 ,1388 ,na2=Fi/(0.72Fj)，無(wú)曝氣盲區(qū)時(shí)利用率為72%,

28、9.1.7,實(shí)際單池選取曝氣器數(shù)量,na,個(gè),3250 ,1226 ,1529 ,1388 ,MAX(na1,na2),9.1.8,實(shí)際選用曝氣器總數(shù),nz,個(gè),19500 ,3678 ,4587 ,4164 ,9.1.9,最多同時(shí)曝氣的池?cái)?shù),nb,座,4 ,2 ,2 ,2 ,排列如右圖示,9.1.10,最大曝氣量,Qmax,m3/h,13680 ,2785 ,2785 ,2785 ,Qmax=nbQb,9.1.11,曝氣管網(wǎng)阻力損失,h,m,1.20 ,1.20 ,1.20 ,1.20 ,根據(jù)供氣管路和曝氣器計(jì)算確定,9.1.12,曝氣管網(wǎng)漏風(fēng)系數(shù),k4,0.10 ,0.10 ,0.10 ,

29、0.10 ,k4=0.050.1,9.1.13,曝氣設(shè)備的風(fēng)壓,h,m,6.20 ,5.70 ,5.70 ,5.70 ,h=H+h,9.1.14,鼓風(fēng)機(jī)計(jì)算風(fēng)量,Qk,m3/h,15048 ,3064 ,3064 ,3064 ,Qk=Qmax(1+k4),9.1.15,鼓風(fēng)機(jī)運(yùn)行臺(tái)數(shù),nb,臺(tái),6 ,2 ,2 ,2 ,9.1.16,鼓風(fēng)機(jī)備用臺(tái)數(shù),nc,臺(tái),2 ,1 ,1 ,1 ,9.1.17,單臺(tái)鼓風(fēng)機(jī)計(jì)算風(fēng)量,Qj,m3/h,2508 ,1532 ,1532 ,1532 ,Qj=Qk/nb,9.1.18,單臺(tái)鼓風(fēng)機(jī)有效功率,Nj,kW,42.33 ,23.77 ,23.77 ,23.77 ,Nj=9.8QjH/3600,9.1.19,總效率,e,%,0.6