ࡱ> z|y RUbjbj<| 8IL0:s9u9u9u9u9u9u9$;z>89QMMM9x9"""Ms9"Ms9""002`80k1$_9:00: 2> >H22>k7"Sl99!0:MMMM> : 5/n^Wal4lYtSYtcx|~b/g9e ĞSft Ğe Ng Oz 1g܏^ ue RSf4Z Xd5/n^Wal4lYtSǑ(u9eoWA2/O'lSlYt]z cvMRvۏ4l4l(SYt4lϑ[c]z,~'lSlcOflvΘ:g g40%vΘϑiRYO Ǐb/g9e \'lSlΘ:gviRYOlϑ(uNS:SQYtcx|~vlclQǏ z \P(uKNMR(uNlclQvW(Θ:g ~Ǐ$N*NgvՋЏL te*N]zvYtR*gSq_T N0RNMvvv0 sQ.W[Θ:gcx|~M The technical reformation about The sand lifting system of The pretreatment in Guigang West-city Wastewater Treatment Plant Huang Xiaoxuan Huang Wenhui Li Chuanyi Zhu Yuanjian Gan Wen Liu Xiaoxian Abstract: The West-city Wastewater Treatment Plant is using the process of the improved A2/O oxidation ditch. According to the current water quality and the treatment of water, the blower that arrange to provide aeration for oxidation ditch have 40% air surplus.The air surplus is used in the gas stripping and the gas rushed process of the sand lifting system in pretreatment through a technical transformation. Roots blower for gas stripping and gas rushed before been deactivated. After two months of trial operation, the entire process capability is not affected, and the West-city Wastewater Treatment Plant can achieve the purpose of saving energy and reducing consumption. Key wordsBlowerSand lifting systemEnergy saving and consumption reducing 1.iQ 5/n^Wal4lYtS^\^5/nSc4lR gPlQS yv^ĉ!j:N10104m3/d Ǒ(u9eoWA2/O'lSlYt]z te*NuNǏ zǑ(u{:g z^Sc6RƖ-Nvc0 Wal4lYtS:N5/n^vMR/UNck_bNЏ% SsO@\͑pvcval4lYtS YtW:S70%N Nvu;mal4l hQt^s^GWYtĉ!j:N6.5104m3/d Q4l4l(gbL 0WGal4lYtSalgirc>ehQ 0GB18918-2002 vN~BhQ0ۏ0Q4l4l(h10 h1 ۏ0Q4l4l(mg/l yvۏ4lQ4lCOD350d"60BOD5160d"20SS200d"20TN30d"20NH3-N30d"8TP4d"1.5 cgqĉ!jS4l(Bl al4lSǑ(uv]z:NSb9eoWCarrouselaS^X\ 'lSl0 h2 [EYt4lϑSۏ0Q4l4l( yv[Eۏ4lm3/d [EQ4lmg/l Yt4lϑ6.906.60COD93.9117.11BOD555.137.05SS53.506.30TN19.0210.77NH3-N13.780.25TP1.671.04al4lYtS9hncvMRvYt4lϑSۏ0Q4l4l(h2 rQ vMRSЏLUSb'lSl1\S0Rt`vYtHeg01uNvMRۏ4lSm^NO 9hncal4lSYt]z[n'lDO vBl \DOc6R(W1mg/l-2.5mg/l ~'lSlcOflvY:NVTB300W TurboΘ:g NSΘ:gv[Olϑ:N135 m3/min vMRal4lS]\Θ:g[:Ng\Olϑr` Olϑ_N0RN108m3/minYQnNONdkΘϑv

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