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(gu)(ni)B(yng)ֳUˮŷŲ_(d)(bio)ԭԴ@

  l(f)ڣ2016-12-30  c(din)1858

       (gu)(ni)(sh)i(chng)Uˮ̎_(ti)ʽUˮ̎Ҳ_(ti)һӵĆ}ӲO(sh)mȻ,ڲ(dng), B(yng)ֳUˮ(do)ŷŲ_(d)(bio)Ұ_(ti)(jng)l(f)Ŀǰڰl(f)Ć}ĽQcӑՓ

    _(ti)I(y)B(yng)ia(chn)I(y)B(yng)iĔ(sh)94791( 1984 ) ,p17072( 1998 12) , fp12793( 2005 12 ) B(yng)^(sh)656 f^( 1984 ) ӵ1050 f^( 1995 10 µ) , fp653 f^( 1998 12 µ) 2002~2005 12 , B(yng)^(sh)ԾS680f^B(yng)iI(y)İl(f)չȾ}_ʼ͹F(xin)1991 _(ti)ӆB(yng)i{(dio), eOo(do)B(yng)ir(nng)(chng)Uˮ̎Ⱦķι

    i(chng)ŷˮ(bio)(zhn)փAΌ(sh)ʩһAΞ龏_( 1998 1 - 1999 12 31 ) , (bio)(zhn)BOD80mg/LCOD400 mg/LSS 150mg/L;ڶAΕr(sh)(bio)(zhn)׃Ç(yn)( 1999 1231 Ժ)BOD80mg/LCOD250mg/L,SS 150mg/LĿǰ(bio)(zhn)BOD80 mg/L , COD600mg/L, SS150mg/L

    01 ʽUˮ̎O(sh)ʩ

    {(dio)(ji)۵ǰ(g)(chng)ďUˮƽ?jn)?4h, һ(g)(chng)һďUˮ240m3, tÿСr(sh)ŷ10m3ʲôҪƽ? ?yn)҂õ̎? ˳һ, Ҫga(b)Uˮ, ΢Բŕ(hu), Чܷ(wn)

    Ŀǰ(gu)(ni)ʹõıʽؚC(j)J(rn)鲢m̎B(yng)i(chng)ďUˮ?yn)i(chng)UˮЙC(j)|(zh)dz׵ĺҲܸʹ΢:(x)̎ĕr(sh)Ҫdz, һؚC(j)ֻڱ_(d)Һƽ⣬̎Ч

    ʽUˮ̎O(sh)ʩ, ۵ˮͣr(sh)g10d , Ŀǰ{(dio)4~6dԭˮͣr(sh)gԽL(zhng)BODԽ(dng)ˮͣr(sh)g10dr(sh), BOD80~100mg/LCOD600~800mg/L(do)ؚ΢B(yng)ǰe(cu)`IJǮ(dng)ؚ΢(sh)r(sh), ߀ҺxďUˮŵؚ, ڛ]г̎, ŷˮy_(d)(bio)ͨ^{(dio)(ji)۰яUˮ24h M(jn)ֻЛ_ϴir(sh)ЏUˮM(jn){(dio)صˮͣr(sh)g1.3d, bһďUˮ( 1) 

    Uˮ̎ˮͣr(sh)g( HRT)Ӌ(j):

    HRT= Uˮ̎Чݷe( m3) /ÿM(jn)Uˮ( m3/d)

    һ(g)Uˮ̎, L(zhng)Ȟ6 m, Ȟ5 mȞ3.5 m( (sh)HUˮ̎ەr(sh)4~4.5 mؚ, ?yn)鶬?hu)a(chn)ܶ) ̎صL(zhng)ָ(ni)ÿUˮ10.5m3, tHRT=6 ×5 ×3.5/10.5 =10d, ˮͣr(sh)g10d(chng)B(yng)^(sh)̶׃, ÿՏUˮSַ(wn), (dng)ˮͣr(sh)gԽL(zhng)Uˮ̎ЧݷeԽ󣬱ʾUˮ̎۵IJwԽ҂hB(yng)i(chng)O(sh)Ӌ(j)Uˮ̎۵ĕr(sh)ռeMС̎۲Ҫؚ̫۵ˮҪ^3.5mtL(fng)C(j)ҪĹʕ(hu)dz(hu)dzB(yng)i(chng)Uˮ̎һҪbһ(g)㉺b,?yn)_(ti)ض_(d)30wÛҪһ(g)㉺bƽ(ni)ĉ㉺bõˮһҪˮˮˮ߶ȸ(j)؃(ni)Sֵĉ߶Խۃ(ni)ĉԽ(D2)

ʽUˮ̎O(sh)ʩ

    02 ʽUˮ̎O(sh)ʩIJ팍(sh)(w)

    ʽUˮ̎O(sh)ʩĵһǹҺxڶDžؚۼKءʲôO(sh)䄂Õr(sh)ųďUˮ܉_(d)(bio)͟o_(d)(bio)? @Dz^гF(xin)ˆ}

    1. UˮҺxҪ

    (1) SUˮڃ(ch)SзֽɼS͹ҺxЧ

    (2) p٬F(xin)ЏUˮ̎O(sh)ʩؓ(f)ɫ@^õķˮˮ|(zh)

    (3) ɌUˮy̎ĻW(xu)(COD) }D(zhun)׃ɹwU̎톖}(ѷ̎) 

    (4) F(xin)i(chng)rO(sh)Ӌ(j)޸ijɿɷxScUˮO(sh)ʩ̎_(d)ScUˮxĿb2ҺxC(j)2ιҺxбҪ^VW(wng)ľW(wng)ֱ0.3~0.5 mmе0.15 mmһҺxC(j)ĞVW(wng)׏^Сԭti(chng)Uˮ̎O(sh)Чݷeǹ̶׌M(jn)ؚغͅˮЙC(j)|(zh)ԽK|Խ٣t̎ЧԽą΢ؚĺ΢ﶼǿˮЙC(j)|(zh)(BOD) L(zhng)΢(sh)Խijɱ(hu)Խߡ

    2. ۵Ĺc(din)

    Ҫr(sh)ԾSօ۵Чݷe½ďUˮ̎O(sh)ʩhÿ1 ÿγ1/3~1/4ѽ(jng)õďUˮ̎O(sh)ʩ(dng)l(f)F(xin)ˮѽ(jng)Ar(sh),ʾۃ(ni)ѽ(jng)ٷeڸ߶(yng)r(sh)ӛㅒlʡĿƷÿܻÿ¶r(sh)ą, ÓˮC(j)̎, Ͷѷʈ(chng)(g)i(chng), ͬһ(g)i(chng)ÿһďUˮBODCODĺDzһӵġ

    3. ؚ۵Ĺc(din)

    (1) (SV30) : 15% ~30%( 150~300 ml) ÿնr(sh)cUДؚۃ(ni)m(dng)ķ( D34) :

    Ͳoó30 min_(d)150~300 ml m(j)BODֵДB(yng)ٵ, жBODжٵĻµďUˮ̎O(sh)ʩ^, (dng)B(yng)һr(sh)SV _(d)180~190 ml]ЏUSV ͕(hu)_ʼ_(d)200~210 mlһؚS180 mlÿ(g)(chng)rһҪÿy(c)y(c)i(chng)һ(g)S

    ηֱc? ϸԲ, (x)ɳһӳʬF(xin)ɢ, Һǰtɫϸʴw^(sh), Һǜ\Sɫ

    (2) 1 mg/L^Ե0.5 mg/Lt΢ÌM(jn)Дķһǰζ; ˮɫɫ

    (3) pHֵ7.0~8.0(dng)?sh)i(chng)ˮpH ֵ(hu)_(d)8.5 һ(g)(jin)ε˽pH ֵķ: (dng)„ˮаζr(sh), @r(sh)pHֵһ^8.5 , ʾؚ۵òpH ֵ׃Еr(sh), ̫, BOD ̫

    4. ؚcKصIJʽ

    Kغؚ֮gһҪһ(g)?yn)಻ˮҸؚˮKصĕr(sh)(hu)ŷų^Ƀˮܕ(hu)l(f)ؚ]rѷʽÿՏUs( @ЩǶG) ; ÿնr(sh)ؚ( ָ) ηֹؚ۵ϻ? ؚϻԭǛ]µM(jn)K؃(ni)bˮúͶr(sh), ÿСr(sh)15~20 minؚˮðˮρͨ^yT߅һ߅sһ߅ؚأͨ^yT{(dio)(ji)ؚغUP(gun)UyTһҪ׌ÿһU( D56) 

    5.

    B(yng)i(chng)Uˮ̎O(sh)ʩеcؚ۵(yng), L(zhng)۷eʹUˮ̎۵Чݷep, ֱӰ푵̎Ч_(ti)2 N̎: һ, ܵӰ, òҪʹ; Óˮ, Óˮǰshi(chng)(ni)O(sh)ÓˮC(j)ɴ, ȌUĺˮʽ, ѷʈ(chng)̎

    νB(yng)i(chng)ˮеđҸw? ҊD7

    K؃(ni)bõ:(1) ;(2) p

    bõ:(1) (x);(2) ӜpKصijصб, b

    6 . ƷˮCOD Ľh

    CODW(xu)UˮЙC(j)|(zh), ΢ԷֽõĺͲֽܷõЙC(j)|(zh), COD>BOD

    BODUˮܱ΢ֽõ|(zh)

    SSҸcCODP(gun)ϵ

    ( 1 ) ˮͣr(sh)g10d, ̎BOD ^׷Ϙ(bio)(zhn)

    ( 2 ) ˮͣr(sh)gС10d, ̎Ҫm(dng)?sh)ؚ۲ܷϘ?bio)(zhn)ؚ۵ˮͣr(sh)g1.5d

    7. ƷˮCOD Ľh

    (1) ˮЁᵪɔ_COD ęzy(c)ֵB(yng)i(chng)ʽUˮ̎O(sh)ʩؚ۱횾ScʹgЪؚ(2) 

    (2) B(yng)i(chng)gSɌˮһΕr(sh)gٷԜpSS CODˮа30ml/L( „Ěζ) , tԇLԇʹˮֲf(xi)COD( 3) 

    COD=CODi-CODr

    COD: һĻW(xu)

    CODr: ȥᰱĸɔ_

    (3) xO(sh)Ч^ߵ̎ϵy(tng), ʽԄ(dng)Uˮ̎ϵy(tng)^(jng)(j)Ч(j)̎ʽ( |ýz) 

    03 ѷʵ

    1.

    ѷʰl(f)P(gun)IL(fng)ϵy(tng)ĺÚl(f), L(fng), Sе|(zh)İl(f)ͷֽγ, ֲI(yng)B(yng)ɷֵԴL(fng)ϵy(tng)O(sh)Ӌ(j)㹩ѷʰl(f)P(gun)I, m(dng)?sh)L(fng)ÿÿ0.2m3

    2. m(dng)ˮ

    m(dng)?sh)ĺˮ?5% ˮֵ30% , ΢ﱻ; ˮָ70% ,϶ʵͿ՚ⲻ, ׃Ʌl(f), a(chn), l(f)ֹͣ

    ˮ{(dio)ķ: ӵľмЙC(j)wS; ڙC(j)еÓˮ; z﷿; ѽ(jng)Ķѷʡ

    3. ض

    ѷʰl(f)͜ضȿ_(d)70~80, ߜؕr(sh)žֳ, Мؕr(sh)ֳ, ֽwSءľ|(zh)صs鼚(x)ž10~100 L(zhng)Ĝضޞ62, m(dng)?sh)Ĝضȑ?yng)S65

    4. ̼

    dzҪ, ΢ֳ(dng)ԴǶѷʳɷе̼o缚(x)γɵo{(dio)̼Ƕѷðl(f)͵P(gun)Im(dng)?sh)̼Ȟ?01iSs( 10~14) 1

    5. Aֵ

    ѷʰl(f)΢ϲÉA, pH ֵ7~8һѷʲ{(dio)pH ֵ, S(ch)r(sh)gpH ֵ(hu), ʯ{(dio)pH ֵl(f)3 d pH ֵ_(d)8~9

    6. Ͼ

    ưl(f)ͲϡмŒӰl(f)͜ضȲ, {(dio)ˮֲ|(zh), ͨ^ϙC(j)cљC(j){(dio)

    7. ѷe߶

    m˵ĸ߶Ȟ鲻^1.5mC(j)ефt1~1.2mmڶѷe߶0.51.0 1.5 m r(sh)ÿ׵ݷeքe610600710kgѷeԽݷeԽ϶ԽСyѷe̫l(f)͜ضȲ_(d), ˮl(f)졣

    8. l(f)͕r(sh)g

    iSȫl(f)͕r(sh)gs40dľм{(dio)̼ȼ߶ѷЙC(j)|(zh)ɷ, tl(f)͕r(sh)gL(zhng), ѷ횽(jng)^ְl(f)͸ſ