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ˮϵͳҪۺϿǵĸ

Դǻ㿭콢

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ؼˮˮˮϵͳ

    ˮˮˮռˮˮӰˮϵͳͳˮĸҪˮϵͳ첻ȾռʺˮȾ(COD)ŨͬʱֱӰ쵽ˮȾŷʹü򻯵ijˮϵͳģͺ͹ʵ, ĸضˮˮCODŨȺŷŵˮȾ︺ɵӰ, ˮϡͱˮȾȥЧŷű׼ŷŸ֮ĶضӦϵ˷ݹ״ˮˮҪǵ㽨

    1 оĿ

    ٳͨˮˮ˹CODŨ, кĺڳˮȡشչȻڳнĿٷչͲֻʩͺһЩԴˮCODŨƫڷ,Ҫһϵͳۺϵķ, ˮˮˮˮΪһϵͳоŻӶˮϵͳڳˮзŹؼ, ڹ滮ˮϵͳЧʱˮΪĿ, ڿˮȾ(COD)ŨȺˮЧʱ, ӦͬʱעȾŷŸɶˮˮʵӰо, ˮˮˮռˮ(ˮЧ)ˮĸں̶ܴϾˮϵͳܺЧij˵, оˮϵͳĸĽŻ̽ͷĸص˵Ӧ֤ļˮϵͳģͺƽԭ, Ϲʵݽؼ, ڲͬĸضԹȾŨȺˮŷŸ֮Ĺϵ, ˹ˮˮˮռۺˮˮȥЧʺˮȾŨȣCODŷŸ֮ĶضӦϵݹڸزͬ, ˮϵͳIJڶ˽ִˮˮĻƶгɱЧĸƳˮϵͳЧܺͳˮϵͳ滮

    2 о

    2.1 ˮϵͳģ

    ͼ1Ϊовѱ֤Ļƽԭˮϵͳģϵͳˮˮϵͳռˮŷźˮ

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    ΪʹݶԱԸĺŷΪģͲתλģͲ: ˾ۺˮ (Specific Comprehensive Water Consumption, SCWC), L/(ˡd); X: ˮռ,%; ˾ˮ(SQI/I), L/(ˡd); SQOUT, ˾ˮL/(ˡd); SQSO, ˾ˮL/(ˡd), мȰϵͳͷϵͳ(Combined Sewer Overflow, CSOSeparate Sewer Overflow, SSO)Ҳˮй©˵ 3.4 ͼ7~ͼ9, ѡ COD ΪָȾ: ںٵҵ(ˮˮ)COD߽ɺԲ, ˮֻ, ˮȾɺԲ (COD 0 mg COD/L)Ϊ̬»

    1˱ʹõP䶨ͼ㹫ʽPLCOD120 g/(ˡd) ˮϵͳ˾COD(ϵͳȾ︺)Ϊ׽бȽ, ˮȫռ, ˾ۺˮ˾ˮ͹ռL/(ˡd)ˮΪˮռԭˮ֮ˮˮˮ(ҵڳ˵ġˮ)ˮϡͱ(DF)DZʾˮ̶ȵҪ, ݱ1еĶ, SQI/IԺԲʱۡ0 L/(ˡd), DF=1ˮ(TR)ΪˮˮˮıȣSQOUT/SCWCCODMSWΪˮCODŨɴӵˮļ¼жȡͨ(1, SQoutԴˮͷ˿ŷŵˮȾ︺ɰ: CSO (SSO) δռԭˮˮˮڲͬIJʹ˲ͬ3.4 ڹڸɱȽͬʱ COD1, ĸغزԴӵˮռͨ򵥼

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    IJùںͲŷ޹ʵʲֵؼ㹫ʽ(1)м, ЩֵͼֵˮSQI/IˮռʣX˾ۺˮ (SCWC)ˮĸضˮCODŨȺ ɵӰ, ƽԭ, ̽ˮˮռ, ϡͱˮȥЧʺŷŸ֮дڵˮˮռˮܺˮˮʶضӦϵģͱ߽dzˮϵͳһˮ

    2.2

    ЩҵʳƷơƻҵ򿭷콢԰, ȾԵľЩҵŷŵȾ︺ɹŷŸ(PL)ĸ, Ϊ˱͹ˮ, ӦģʱҪ޶ŷŸ, , PLCOD> 120 g/(ˡd)ݣͬʱǵˮҲӦΪˮɲ, Կ׺ͱܵķһַģнᵽĸӻΪһɲּرǵ콢԰λˮʱΪ˼CODˮеķӦɵļҲΪȾָ

    3

    ֶĸغˮϵͳЧ֮ԶӦӰϵ, ˮϵͳЧʵҪָŷŵˮȾ︺ɺˮܵеȾŨ(ҪCODڲͬؼ໥һصӰʱ漰غñĽܵȤĶ߿ԴһЩ׻õݺϢʼ, ͽˮϵͳ״, ȻһʶˮϵͳЧʵӰغ͹ƴﵽˮϵͳĿҪ

    3.1 ˮ

    ˮˮ(SQI/I)ϡȾŨȵͬʱ, Ҳ˹ˮͺˮˮŷȾ︺, ˮϵͳЧ, Ӫɱˮˮʶ񻯵ķˮֲйһˮ(ۺ)ˮһˮCODŨ(1CODΪ)ɿˮֹˮϵͳ͹滮ɻȱIJͼ2ʾˮˮCODŨ֮ϵеڶ(ңYɫӦͼвͬCODŨȵĵֵŷһЩҵˮˮ 50 ~180 L/(ˡd)SCWC140~200 L/(ˡd3.3ڣ,Ӧˮ COD Ũ500~700 mg/Lˮˮ 140~300 L/(ˡd), ֮ϸߵSCWC(3.3)൱ˮ CODŨ200~400 mg/LŷһЩ, дĽˮˮƽ, ˮϵͳϸߵˮǹˮ(COD)ŨȵҪ֮һ, Ҳǵˮϵ͵ӪЧʵҪԭȻҲһЩˮϵͳ籱, ˮ, ֮ϵ͵˾ۺˮ, ˮCOD ŨԼ550 mg/L

    SCWCΪ׼ϡͱ(Dilution Factor, DF)ڱˮͶˮϡͳ̶ (1)ȽϲͬˮˮƽⷨŨ(ˮϡ)Լ򵥺ֱ, ŨȷϿɿرǵĿǰˮ(3.4), ൱ˮˮֻˮˮһͼ3ɻŨȷ(1)Ƴ, еڶ(ңYɫӦͼвͬϡͱֵһˮ͹˾ˮˮCODŨȺSCWC,ɴ˶ݴͼ3ֱӻڲӶöӦˮϡͱ, Ȼͨ򵥵ļ֪ˮ(SQI/I)(1)Ӧע, ȡSCWC, ͬϡͱζͬˮŷһЩҵˮϡͱ1.5~3, ڴ󲿷ˮˮϡͱҲƷΧȻŷһЩҵˮڵˮˮ־һЩŷ޹( 3.3)

    , ޸ˮˮȻǵǰڸƳˮĹؼͽ, ϷһЩжʵһͶڹ, һҪ꾡滮ΪһǰƷ, ɽˮˮCOD ֵ(CODMSW) CODMAX (SQI/I=0 L/(ˡd))бȽ(ͼ6)޸ˮܴCODŨӷ, 3.3ڽԴ˸һ˵

    3.2 ˮռ

    ˮռΪռˮռˮıˮֱˮռʵĴСӰˮˮCODŨȺŷˮȾ︺ͼ5ʾSCWCΪ250 L/(ˡd)PLCOD 120 g COD/(ˡd)SQI/Iӿɺԣۡ0 L/(ˡd)ӵ 300 L/(ˡd)ʱ, ˮռʴ50% 100% ʱ, ˮˮе COD Ũȵı仯SQl/I ԺԲƣۡ0 L/(ˡd), CODŨȴﵽֵ (CODMAX) 480 mg/L,ռ޹ڹ̶SQl/I, CODŨŹˮռ½ռÿ10%COD½Լ30 mg /Lڹ̶ռ, CODŨSQI/I½SQI/I 200 L/(ˡd)ӵ 100 L/(ˡd)ʱCOD ŨȿԼ 100 mg/Lͼ5ʾҪﵽסIJίҪ2025 ˮռʴ70%ˮˮ BOD ŨȲ100 mg/L (ԵCODΪ 250 mg/L, 1 mg BOD/L= 2.5 mg COD/L)ijˮ90%SCWC 250 L/(ˡd),ˮSQI/I160 L/(ˡd)ˮƽ

    ˮռʵĸߵڿˮˮʷ淢˵, ռˮˮõ(ϵͳŷſɺ)ˮȥʱ80%ĸˮƽˮռʷֱΪ70% 60% (δռ30%40%)ʱδռˮˮβˮŷŵˮ帺ɿɴˮȾ︺ɵ36%48%ĿǰˮϵͳˮSQOUT/SCWCȣȾŷŵˮ帺ʽһˮȥЧʻߵŷű׼ԸˮˮʵӰ, 3.4нһ

    ǰˮɹʴﵽ90%ӽŷձȹҵˮƽڳеĿٷչ֧ɹӲһЩˮˮǰ, ˮռʲ͹ˮCODŨ, صֱˮɳΪˮҪΪӦѭعҪ, һˮհˮֱˮռʷȿλäĿˮˮ׼

    3.3 ۺˮ

    ۺˮˮ֮ϹϵԶ׼ԭˮ(ˮˮǹˮúֱӲˮ(Ҳùˮ, used water)ͬˮ, ˮԽ(ˮЧԽߣ, ˮ()ˮԽ, ȾŨԽŷһЩҵSCWC140~200 L/ˡd2020ݽ140~310 L/(ˡd)18, ŷһЩֵ˸ˮ(SQI/I)ϸߵˮ(SCWC)ǹˮȾ(CODԼףŨȽϵ͵һҪ(1 ͼ 6 ͼ3)

    ͼ6 SQI/I΢350 L/(ˡd) , ˾ۺˮ(SCWC)ԹˮCODŨȵӰSCWC, CODŨSCWC<200 L/(ˡd)ʱ, ߴˮɺ(SQI/I0ˮCODڲͬˮ(SCWC)ܴﵽŨ (CODMAX)߿Ըݵ SCWC ֵͼ6жȡӦĹCODMAX, еˮˮCOD ŨȱȽ, ͨˮ޸ˮˮCODŨDZڵĿռڶЩˮѵõܺÿ(SQI/I<100 cod="">500 mg/L)2һˮˮCODŨȵŬˮЧ(SCWC); ЩCODŨȵ͵ˮ(<250 mg/L), ȶǵSCWC300 L/(ˡd), ʹˮּٵ100 L/(ˡd), ˮCODŨҲֻԴﵽ300 mg/Lˮƽ(1ͼ2ͼ6), ˮ޸ˮЧ(ˮ)Ӧͬʱ

    , ޸ˮˮȻǵǰڸƳˮĹؼͽ, ϷһЩжʵһͶڹ, һҪ꾡滮ΪһǰƷ, ɽˮˮCOD ֵ(CODMSW) CODMAX (SQI/I=0 L/(ˡd))бȽ(ͼ6)޸ˮܴCODŨӷ, 3.3ڽԴ˸һ˵

    3.2 ˮռ

    ˮռΪռˮռˮıˮֱˮռʵĴСӰˮˮCODŨȺŷˮȾ︺ͼ5ʾSCWCΪ250 L/(ˡd)PLCOD 120 g COD/(ˡd)SQI/Iӿɺԣۡ0 L/(ˡd)ӵ 300 L/(ˡd)ʱ, ˮռʴ50% 100% ʱ, ˮˮе COD Ũȵı仯SQl/I ԺԲƣۡ0 L/(ˡd), CODŨȴﵽֵ (CODMAX) 480 mg/L,ռ޹ڹ̶SQl/I, CODŨŹˮռ½ռÿ10%COD½Լ30 mg /Lڹ̶ռ, CODŨSQI/I½SQI/I 200 L/(ˡd)ӵ 100 L/(ˡd)ʱCOD ŨȿԼ 100 mg/Lͼ5ʾҪﵽסIJίҪ2025 ˮռʴ70%ˮˮ BOD ŨȲ100 mg/L (ԵCODΪ 250 mg/L, 1 mg BOD/L= 2.5 mg COD/L)ijˮ90%SCWC 250 L/(ˡd),ˮSQI/I160 L/(ˡd)ˮƽ

    ˮռʵĸߵڿˮˮʷ淢˵, ռˮˮõ(ϵͳŷſɺ)ˮȥʱ80%ĸˮƽˮռʷֱΪ70% 60% (δռ30%40%)ʱδռˮˮβˮŷŵˮ帺ɿɴˮȾ︺ɵ36%48%ĿǰˮϵͳˮSQOUT/SCWCȣȾŷŵˮ帺ʽһˮȥЧʻߵŷű׼ԸˮˮʵӰ, 3.4нһ

    ǰˮɹʴﵽ90%ӽŷձȹҵˮƽڳеĿٷչ֧ɹӲһЩˮˮǰ, ˮռʲ͹ˮCODŨ, صֱˮɳΪˮҪΪӦѭعҪ, һˮհˮֱˮռʷȿλäĿˮˮ׼

    3.3 ۺˮ

    ۺˮˮ֮ϹϵԶ׼ԭˮ(ˮˮǹˮúֱӲˮ(Ҳùˮ, used water)ͬˮ, ˮԽ(ˮЧԽߣ, ˮ()ˮԽ, ȾŨԽŷһЩҵSCWC140~200 L/ˡd2020ݽ140~310 L/(ˡd)18, ŷһЩֵ˸ˮ(SQI/I)ϸߵˮ(SCWC)ǹˮȾ(CODԼףŨȽϵ͵һҪ(1 ͼ 6 ͼ3)

    ͼ6 SQI/I΢350 L/(ˡd) , ˾ۺˮ(SCWC)ԹˮCODŨȵӰSCWC, CODŨSCWC<200 L/(ˡd)ʱ, ߴˮɺ(SQI/I0ˮCODڲͬˮ(SCWC)ܴﵽŨ (CODMAX)߿Ըݵ SCWC ֵͼ6жȡӦĹCODMAX, еˮˮCOD ŨȱȽ, ͨˮ޸ˮˮCODŨDZڵĿռڶЩˮѵõܺÿ(SQI/I<100 cod="">500 mg/L)2һˮˮCODŨȵŬˮЧ(SCWC); ЩCODŨȵ͵ˮ(<250 mg/L), ȶǵSCWC300 L/(ˡd), ʹˮּٵ100 L/(ˡd), ˮCODŨҲֻԴﵽ300 mg/Lˮƽ(1ͼ2ͼ6), ˮ޸ˮЧ(ˮ)Ӧͬʱ

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    3.4 ˮ

    ˮŷŵˮȾ︺ɿɷΪ: ˮŷź͹ŷ(ͼ1)ֹŷᵼˮʶһˮϡͱ͹ˮӽȫռ, ˮ(TR), SQOUT/SCWC()ֱӰŷŸɴСһ˵,SQOUT/SCWC(1)ϸʱ, ŷŸɽ֮ɽϴͼ7չʾˮȫռSQOUT/SCWCΪ1, SCWCֱΪ200250300 L/(ˡd)ˮϡͱ1~2仯ʱ, ˮˮCODŨCODɶˮռCODɱ֮ĹϵˮCODŨϡͱӶ, SCWC޹ɱϡͱӶϡͱΪ1.2, COD ɱԼ20%;ϡͱΪ1.4ʱɱԼ35%; ϡͱΪ1.8ʱ, ɱԼ43%ˮϡͱij̶ֳ϶ӦDzֳˮȫռй©õƵķʽϵͳ꼾ƽֵЩˮ߶ϡںѾˮ, ɱȽ

    Ҫע, ˮнϸȾŨȲζŽȾŷŸ, ں̶ܴϺȡˮSQOUT/SCWCӵͬSCWCSQI/IˮˮCODŨͬ,ˮȽϴĹɵˮȽС(1.1)һSCWC=230L/(ˡd)SI/I= 160 L/(ˡd) (ϡͱ1.7)ˮ, ˮCODԼ340 mg/LһSCWCSQI/IΪ300L/(ˡd)(ϡͱ2)ˮCODŨԼ200 mg/LڸˮSQOUT/SCWCֱ1.2 1.7 (ˮ/ˮ0.7 0.9)ȾɱȷֱΪ33%15%(1)һ˵,ˮϸSQOUT/SCWCͽϴ/ˮڼŷŸŬˮˮCOD ʱӦͬʱǵ

    ͼ8ͼ9ˮƽԭ, ͬʱCODͼ8ʾˮϡͱ(DF)ˮTRSQOUT/SCWC)Ⱦ(ˮŷ)ɱȵĹϵ, еڶ(ңYɫӦͼвͬȾɱȵĵֵSQOUT/SCWCڻϡͱDFʱûŷһЩҰ¹µʿͱŷˮˮƴޡ3QS,aM(QS,aM:ˮ,ˮϡͱ 1.5~3, Ȼ󲿷ֹҵ50%ϵˮѾǷϵͳˮĸߴЧŷ WerdhlzliάҲMWWTPˮӺˮȾŷŸɽΪռɵ3%7%ͼ8ɼ, Ӧϡͱ 1.52330%ΪɿĿ, ˮSQOUT/SCWC۱ȣӦС 1.11.41.720%ΪĿSQOUT/SCWCӦС1.31.72.2߿ԸݵعˮϡͱˮSQOUT/SCWCȾ︺, ҲԸȾ︺˼ˮSQOUT/SCWCǷ

    ͼ9һչʾϡͱ(DF)Ϊ2ˮSQOUT/SCWC1~2ȾȥʷֱΪ75%93%ָɶˮȫռɵıָɷֱˮȥ75%ȾŷŸɣˮȥ93%ȾŷŸɣˮɣˮ75%ȾȥʱŷŸɼˮɣˮ93%ȾȥʱŷŸɼˮˮеܵ(TN)ԼΪ40 mg/L75%ȥʶӦˮܵԼ10 mg N/L, 93%ȥʶӦˮܵԼ3 mg/L(ѵֵ)Ϊִ͹ˮͼ9ˮ/ˮ(SCWCDF)(TR/DF1)ϡͱSQOUT/SCWCTR/DF1ʱڵˮȫˮTR/DF<1ʱˮ(ͼ9)< p="">

    1.jpg

    ͼ9ͼ9TR/DF0.5ӵ1ӦˮΪ50%100%ˮ, ˮŷŸɱ, ɱȼ, ܸɱȼһTR/DFˮȾȥЧʶԹɱûӰ죻ˮŷŶŷŸɵԹTR/DF仯TR/DFΪ0.5ɱ50% ˮŷŸɱˮȾ75%93%ȥ·ֱΪ13%3%ӦŷŸɱȷֱΪ63% 53%Ⱦȥʼ10ٷֵ㣻TR/DFΪ1ɱȺԲˮ75%93%ȥŷŸɱȷֱΪ25%7%ӦŷŸɱȷֱΪ25%7%ŷŸɱȽTR/DF=0.5ʱ18ٷֵ㣻TR/DFֵ˶ˮȾŷŸTR/DF0.6ʹˮȥЧ93%Լ44%ȾŷŵˮУˮŷŸֵΪ10%ռˮִжôϸŷű׼TR/DF0.95ڴ˵ʵTR/FDˮȥЧʶˮŷŸҪ

    ŷһЩҳˮ֮һŷŵˮеԭˮеˮ뾭ŷʹгɱЩڴڵ3SCWCˮTRȣ, ˮڵڹˮ(TR/DF1ˮŷű׼,ˮϡͱ1.5~3ʹ꼾Чˮϵͳ,˳ˮ̬ˮƴ޽ϵ2019ͳƳ˾ˮ˾ۺˮֵ(TR/DF)0.8~1.2ܽһЩд˵Եڵ¹ͺֵ2͵Ľӽ3ֵͼ8ͼ9ɼˮ/SCWC=1.2ˮϡͱ2.0 2.5ͨŷȾﵽˮԼռˮռȾ︺40% 50%˸߶ˮˮŷű׼ˮˮʸÿ൱ڹнϴˮˮϵʹɵ¹ˮٽΪڹгͷͺͲֹ޸ЧõĿԭ֮һ

    ǵǰˮϵʹˮϡ͵ŷŸɶԳˮӰбҪ濼вˮĺԺͿ2021꡶ˮƱ׼(GB 50014-2021)ˮϵֵҪڷƹˮпǰˮڵˮˮͨԭλвֹյԪģ漰Ͷ俼ǵǰڽϸˮˮˮˮҪݵѡбȽϻͬʱǰ߰: ȾŨˮȥЧʺ͸ˮЧԼӦõʩϼͶʺʵʩʱ෽濼ˮȾŨȾͳɹرľ֪ʶĿǰɾĿչһϹо纣еѡй©ѻϺÿƹˮչʾʵ

    3.5 㽨

    , ˮϵͳЧӦۺˮˮռˮȾˮ֮໥ӰĹϵ, ׷ÿеĽˮϵͳЧʼĿΪˮϵͳ޸:

    1Щˮ(ˮ߶ϡ, COD<200 400="" cod="">400 mg/LԶάΪˮҪˮЧԽϵͣSCWC >280L/(ˡd), Ӧͬʱǽˮ

    2ˮˮռǸƳˮֱЧ;,ϷˮռӦŬάִ80%ЩˮѻʵƵˮϵͳ (COD > 300 mg/L, ϡͱ 2, ӦʵˮԼ

    3ˮϵͳϵͳЧ, ӦڳˮҰ, ˮŷŸɻ, ȷۺϿˮˮˮˮˮ֮عϵ, ԿƲȾ︺ΪĿ, ˮCODŨΪֶ, ʶˮϵͳ޸ͳˮʸ֧õغ, Ŀ, ϲͼˮϵͳ޸ҪʱַͨȽѰʵ߳ɱЧķ

    4

    Ӧü򻯳ˮϵͳģͺͻƽԭ, ˮϵͳܺЧصˮˮˮռۺˮˮĸؼضˮCODŨȺ֮ϵϹʵݽ˶ۺͷڼǿгˮϵͳЧʱĶԳˮϵͳϵͳҪ֮ϵӰ̶ȵṩۺϿdzˮˮռˮȾȥЧԼˮˮʵĶ, ԿƲȾ︺ΪĿ, ˮˮCODŨΪֶ, ʶˮϵͳ޸ͳˮʸ֧õغ, Ŀ, ϲͼˮϵͳ޸ҪʱַͨȽѰ߳ɱЧķ;, ڳֵĶԺͶĻ, γɼЧϵͳ



    (˱༭: Model)