Qhov teeb meem txawv txav ntawm lub tshuab ua kom sludge thiab nws cov kev daws teeb meem los ntawm Aquasustkev tsim khoom yas--MBBR Media tsum
(1) Cov khoom sludge txawv txav, sludge expansion thiab txawv txav
Tus nqi ntawm cov khib nyiab tshem tawm (ESS) hauv cov dej ntws tawm yuav cuam tshuam rau kev kho mob. Txij li feem ntau ntawm SS hauv cov dej muaj zog tau raug tshem tawm los ntawm cov txheej txheem pretreatment xws li cov hniav nyiaj hniav kub, grit, thiab thawj cov sedimentation, qhov seem me me ntawm SS yog absorbed los ntawm cov activated sludge tom qab nkag mus rau hauv lub aeration tank thiab ua ib feem ntawm cov sludge. Yog li ntawd, ESS yog tsim los ntawm bleached sludge. Tus nqi ntawm ESS yog cuam tshuam nrog kev daws teeb meem thiab coagulation kev ua tau zoo ntawm cov activated sludge thiab cov kev ua haujlwm ntawm lub tank thib ob. Rau ib qho kev kho mob ib txwm muaj, ESS yuav tsum tsawg dua 30mg / L lossis tsuas yog suav nrog tsawg dua 0.5% ntawm cov activated sludge concentration, uas yog, thaum cov concentration ntawm sludge nyob rau hauv lub aeration tank yog 2.-4g/L, ESS yuav tsum yog 10-20mg/L. Yog tias nws dhau qhov kev txwv no, nws txhais tau hais tias cov sludge muaj cov khoom tsis zoo, uas feem ntau tshwm sim los ntawm qhov ntab ntawm qhov loj lossis me me ntawm cov sludge thiab qhov o ntawm cov sludge.
Koj tuaj yeem tiv tauj peb:
Hu rau lub npe: Jasmine
Contact email: Kate@aquasust.com
Whatsapp tus lej: 8618868159881.
① Fist-loj sludge ntab nce thiab nqisnyob rau hauv lub sedimentation tank intermittently.
Muaj ob qhov xwm txheej uas ua rau ib qho loj ntawm cov sludge ntab.
a. Denitrification sludge.Cov sludge ntab yog sib dua ntawm cov xim, qee zaum muaj xim rusty. Yog vim li cas yog tias cov degree ntawm nitrification nyob rau hauv lub aeration tank yog kuj siab. Nitrogen-muaj cov tebchaw yog hloov mus rau nitrate los ntawm ammoniation thiab nitrification. Qhov concentration ntawm N 03-N yog siab. Nyob rau lub sijhawm no, yog tias lub tank sedimentation muaj qhov sib piv me me dhau los lossis tsis zoo reflux, thiab lwm yam yog vim li cas cov sludge qib nce, thiab cov sludge tsis tuaj yeem rov ua dua rau lub sijhawm ntev. Cov sludge nyob hauv qab ntawm lub tank sedimentation tuaj yeem denitrify nitrate vim tsis muaj oxygen.
Txoj kev txhim kho yog: nce qhov reflux piv kom rov ua dua cov sludge hauv lub tank sedimentation thiab txo cov sludge txheej; txo cov sludge hnub nyoog thiab tso tawm ntau sludge kom txo cov sludge concentration; thiab kuj tsim nyog txo DO theem ntawm lub aeration tank. Cov kev ntsuas saum toj no tuaj yeem txo nitrification kom txo tau qhov chaw ntawm nitrate.
Koj tuaj yeem tiv tauj peb:
Hu rau lub npe: Jasmine
Contact email: Kate@aquasust.com
Whatsapp tus lej: 8618868159881.
b. Corrupted sludge.Qhov txawv ntawm corrupted sludge thiab denitrified sludge yog tias cov sludge yog xim dub thiab muaj ntxhiab tsw. Qhov laj thawj yog tias muaj cov kab tuag nyob hauv lub tank thib ob, ua rau cov sludge tsub zuj zuj. Tom qab lub sijhawm ntev, nws yuav ua rau tsis muaj zog thiab lwj, ua rau H2S, CO2, H2 thiab lwm yam gases, uas yuav ua rau cov sludge ntab saum toj.
Kev daws yog tshem tawm cov sludge nyob rau hauv qhov chaw tuag-lub kaum sab xis, piv txwv li, compressed cua feem ntau yog siv los ua kom qhov chaw tuag-lub kaum sab xis kom nce cov sludge rov qab. Rau thaj chaw uas muaj av nkos, sim txhim kho hauv kev tsim.
Koj tuaj yeem tiv tauj peb:
Hu rau lub npe: Jasmine
Contact email: Kate@aquasust.com
Whatsapp tus lej: 8618868159881.
② Floating ntawm me me ntawm sludge.Cov khoom me me ntawm cov sludge tau ua tsis tu ncua nrog cov effluent, feem ntau hu ua cov av nkos ntab.
Qhov ua rau cov av nkos ntab tuaj yeem muab faib ua pawg hauv qab no.
a. Cov dej muaj txiaj ntsig zoo, xws li tus nqi pH, tshuaj lom, thiab lwm yam, ua rau cov sludge tsis tuaj yeem hloov mus los yog tshuaj lom, ua rau deflocculation.
b. Cov sludge muaj hnub nyoog vim tsis muaj cov as-ham los yog over-oxygenation.
c. Lub zog ammonia nitrogen siab dhau lawm thiab C / N qis dhau, uas ua rau cov sludge colloid matrix disintegrate thiab deflocculate.
d. Lub pas dej kub kub heev, feem ntau tshaj 40 degree.
e. Kev sib hloov ceev ntawm cov neeg kho tshuab aeration tis log yog siab dhau, ua rau cov flocs tawg.
Txoj kev daws teeb meem yog kom qhia meej cov laj thawj thiab kho lawv cais. Nyob rau hauv cov ntaub ntawv ntawm sludge lom, qhov nkag ntawm cov dej khib nyiab yuav tsum tau nres; rau qhov tsis muaj cov as-ham, kev laus sludge thiab deflocculation sludge, kev noj zaub mov kom zoo yuav tsum tau ntxiv thiab ntsuas kev rov ua kom rov zoo dua.
③ Sludge expansionNyob rau hauv lub activated sludge system, qee zaum cov sedimentation kev ua tau zoo ntawm cov sludge deteriorates, qhov ceev txo, thiab SVI tus nqi nce. Cov sludge yog ib qho nyuaj rau kev nyob rau hauv lub thib ob sedimentation tank thiab cov av nkos nce. Nyob rau hauv cov xwm txheej hnyav, cov sludge overflows thiab ploj, thiab cov nyhuv kho qhov tshwm sim no hu ua sludge bulking. Nws yog qhov teeb meem nyuaj tshaj plaws hauv cov txheej txheem activated sludge.
a. Physiological yam ntxwv ntawm cov kab mob filamentous
Loj qhov chaw tshwj xeeb, tsis zoo sedimentation thiab compression kev ua tau zoo; tsis kam rau cov khoom noj khoom haus tsawg; tiv thaiv kom tsis muaj oxygen; haum rau cov dej khib nyiab nrog siab CAN; Qee cov kab mob filamentous muaj cov cai tshwj xeeb rau ib puag ncig, xws li cov kab mob Belle thiab cov kab mob sulfur yuav tsum muaj cov khoom txo qis hauv cov dej khib nyiab Nws tuaj yeem loj hlob hauv ntau qhov ntau thaum sulfide.
Koj tuaj yeem tiv tauj peb:
Hu rau lub npe: Jasmine
Contact email: Kate@aquasust.com
Whatsapp tus lej: 8618868159881.
b. Txoj kev los tswj cov kab mob filamentous sludge expansion
Siv cov tshuaj tua kab mob filamentous.Vim yog qhov loj ntawm thaj chaw nyob rau hauv kev sib cuag nrog ib puag ncig, cov kab mob filamentous yog rhiab heev rau cov tshuaj. Thaum noj kom tsim nyog, nws tuaj yeem tua cov kab mob filamentous yam tsis muaj kev puas tsuaj rau cov kab mob micelle, uas yog pom tseeb hauv cov kab mob filamentous. Tom qab raug txwv, koj tuaj yeem tso tseg, ntxiv cov khoom noj khoom haus, thiab siv cov kev ntsuas kom tsim nyog.
Feem ntau siv tshuaj thiab ntau npaum li cas yog raws li nram no:
Koj tuaj yeem tiv tauj peb:
Hu rau lub npe: Jasmine
Contact email: Kate@aquasust.com
Whatsapp tus lej: 8618868159881.
Tus nqi ntawm cov tshuaj dawb huv yuav tsum tau ntxiv raws li cov tshuaj chlorine muaj 0.5%-0.8% ntawm MLSS;
Ntxiv cov kua chlorine los yog tshuaj dawb huv kom cov kab mob tuag tom qab 30 feeb thaum cov tshuaj chlorine seem yog 1 mg/L; thaum cov chlorine seem yog 5 mg / L, cov kab mob tuag tom qab 120 feeb;
Ntxiv pov tseg lye.Nce tus nqi pH ntawm lub tank aeration rau 8. 5-9 0. Tom qab khaws cia rau ib lub sijhawm, cov kab mob filamentous yuav ntsws thiab tawg los ntawm kev tshuaj xyuas microscopic.
Thaum cov txheej txheem saum toj no tau siv rau hauv kev tsim khoom, nws yog qhov zoo tshaj kom dhau ib qho kev sim ua ntej los txiav txim siab qhov tsim nyog npaum li cas. Vim muaj kev hloov pauv muaj peev xwm ntawm cov kab mob muaj zog, tom qab siv tib cov tshuaj ntau zaus, cov kab mob filamentous yuav muaj kev hloov pauv thiab ua rau tsis ua haujlwm ntawm txoj kev.
Hloov cov dej inlet txoj kev thiab cov kev sib xyaw ua ke activated sludge (CMAS) rau kev kho cov dej khib nyiab tuaj yeem ua rau sludge bulking. Tom qab kev tshawb fawb, kev siv lub laub-flow (PFR) lossis cov khoom sib txuas ua ke (SBR) activated sludge method muaj qhov cuam tshuam zoo rau inhibiting sludge expansion.
Koj tuaj yeem tiv tauj peb:
Hu rau lub npe: Jasmine
Contact email: Kate@aquasust.com
Whatsapp tus lej: 8618868159881.
Txhawm rau tswj DO ntawm lub aeration tank, lub laub-flow (PFR) lossis cov khoom sib txuas (SBR) siv cov sludge ua kom cov sludge hloov pauv mus rau hauv cov xwm txheej anaerobic thiab aerobic. Cov kab mob micelle tuaj yeem noj, hloov pauv thiab khaws cov matrix nyob rau hauv anaerobic thiab aerobic lwm yam kev mob, yog li kev sib tw tsis lees paub cov kab mob filamentous uas muaj peev xwm tsis zoo nyob rau hauv cov xwm txheej no. Rau
Kho cov as-ham ntawm cov dej khib nyiab. Rau cov txheej txheem kev kho mob uas nce tus nqi SVI vim tsis muaj N thiab P thiab ua rau sludge expansion, nws yog ib qho tsim nyog yuav tau ntxiv N / P rau cov dej muaj zog.
Raws li cov saum toj no, thaum lub sludge nthuav, ib puag ncig tej yam kev mob ntawm cov kab mob nyob rau hauv lub aeration tank yuav tsum tau hloov nyob rau hauv lub sij hawm. Nyob rau hauv lub sludge system uas muaj ob hom kab mob loj-micellar kab mob thiab cov kab mob filamentous coexist thiab sib tw, tsim ib puag ncig tsim nyog rau kev loj hlob ntawm cov kab mob micellar, kom cov kab mob filamentous tsis tuaj yeem loj hlob zoo, thiaj li. ua tiav lub hom phiaj ntawm kev txhim kho cov sedimentation thiab compression kev ua tau zoo ntawm sludge thiab tswj los yog tiv thaiv sludge expansion. Cov lus hauv qab no qhia qhov txawv txav thiab kev tsom xam ntawm cov khoom sludge.
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Cov tsos mob txawv txawv |
Kev tshuaj xyuas thiab kev kuaj mob |
kev daws teeb meem |
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Lub aeration tank yog tsw |
Cov pa oxygen nyob rau hauv lub aeration tank tsis txaus, DO tus nqi qis, thiab ammonia nitrogen nyob rau hauv cov effluent yog qee zaum siab. |
Ua kom cov pa oxygen kom ua rau DO loj concentration ntawm lub aeration tank siab tshaj 2mg / L |
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Dub sludge |
Yog hais tias DO ntawm lub aeration tank tsawg dhau lawm, anaerobic decomposition ntawm cov organic teeb meem tso tawm H2S, uas reacts nrog Fe los ua FeS. |
Ua kom cov pa oxygen los yog nce cov sludge rov qab |
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Sludge whitening |
Cov kab mob filamentous los yog sessile ciliates multiply |
Yog tias muaj cov sludge o, xa mus rau qhov kev tiv thaiv o rau lwm cov tsos mob |
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Tus nqi pH ntawm cov dej nkag yog tsawg dhau, pH ntawm lub aeration tank yog<6, and a large number of filamentous molds are formed |
Ua kom cov pH ntawm cov dej pub |
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Ib qho loj ntawm cov sludge dub ntab mus rau hauv lub tank sedimentation |
Ib nrab av nkos nyob rau hauv lub tank sedimentation yog anaerobic, ua methane thiab CO2, thiab huab cua npuas yog txuas nrog cov av nkos kom ntab saum toj no. |
Tiv thaiv qhov chaw tuag hauv lub tank sedimentation, yaug thiab ntxuav nrog cov cua compressed hauv qhov chaw tuag tom qab cov av nkos tawm |
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Cov av nkos theem ntawm lub tank thib ob yog tsa, thawj cov dej ntws tawm yog qhov tseeb tshwj xeeb, thiab cov sludge overflows nyob rau hauv cov khaubncaws sab nraud povtseg thaum ntws loj. |
SV>90%, SVI>200mL / s, cov kab mob filamentous yog cov tseem ceeb hauv cov sludge, thiab cov sludge swells |
Cov txheej txheem tshuaj xws li ntxiv cov kua chlorine, sodium hypochlorite, thiab nce pH los tua cov kab mob filamentous; ntxiv granular charcoal, av nplaum, nitrified sludge thiab lwm yam activated sludge "hnyav tus neeg sawv cev" kom DO; interstitial dej ingress |
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Cov av nkos ntawm lub pas dej thib ob yog siab dhau lawm |
Cov kab mob filamentous tsis tau loj hlob ntau dhau, thiab MLSS tus nqi siab dhau lawm |
Nce av nkos |
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Kev sib sau ntawm deflocculated sludge txheej rau ntawm qhov chaw ntawm theem nrab sedimentation tank |
Cov tsiaj micro-tsiaj tuag, cov sludge deflocculates, cov dej effluent deteriorates, COD thiab BOD nce, peb cov nyob deb tshaj 8mg02 / (gVSS·h), qhov concentration ntawm cov tshuaj lom nyob rau hauv cov dej influent yog siab dhau los yog tus nqi pH txawv txav |
Tsis txhob haus dej thiab ntxiv cov as-ham tom qab cov sludge tawm. Nws muaj peev xwm ua kom paub cov dej phwj hauv tsev kom rov zoo dua lossis qhia cov kab mob tshiab sludge |
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Muaj cov sludge zoo ntab tawm sab nraud hauv lub tank thib ob |
Cov sludge tsis muaj cov as-ham; cov ammonia nitrogen concentration nyob rau hauv lub influent yog siab, thiab C / N yog tsis tsim nyog; lub pas dej kub kub tshaj 40degree; lub tis log ceev yog siab dhau los ua txhaum cov flocs |
Add nutrients or introduce high BOD wastewater to make F/M>0.1, nres lub tank aeration |
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Lub supernatant ntawm lub thib ob sedimentation tank yog turbid, thiab cov effluent zoo tsis zoo |
High sludge load, tsis tiav oxidation ntawm cov organic teeb meem |
Txo cov dej ntws hauv, txo cov sludge tawm |
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Scum tshwm nyob rau saum npoo ntawm lub aeration tank, zoo li tuab porridge npog saum npoo |
Kev loj hlob ntau dhau ntawm Nocardia lossis ciliates nyob rau hauv cov scum lossis cov ntsiab lus ntau dhau ntawm cov tshuaj ntxuav tes hauv cov dej muaj zog |
Tshem tawm cov scum, zam cov scum txuas ntxiv mus rau hauv lub cev, thiab ua kom cov sludge tawm |
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Cov sludge tsis paub qab hau, flocs yog nyias, cov dej ntws yog turbid, thiab cov dej tsis zoo; muaj ntau yam me me flagellates |
Qhov muaj pes tsawg leeg thiab concentration ntawm cov dej tau hloov ntau dhau lawm, cov khoom noj khoom haus hauv cov dej khib nyiab tsis sib npaug lossis tsis txaus; cov dej khib nyiab muaj cov tshuaj lom los yog tus nqi pH tsis tsim nyog |
Sib npaug qhov muaj pes tsawg leeg, concentration thiab khoom noj khoom haus ntawm cov dej khib nyiab, thiab tsim nyog ntxiv qhov tsis muaj cov as-ham |
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Teeb meem hauv sludge filtration |
Sludge deflocculation |
Muab pov tseg raws li qhov xwm txheej sib txawv |
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Cov ncuav mog qab zib sludge dewatering |
Organic spoilage |
Lub sijhawm pov tseg ntawm sludge |
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Tsis txaus ntxiv ntawm coagulant |
Nce koob tshuaj |
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Ua npuas ncauj ntau dhau hauv aeration tank, xim dawb |
Ntau dhau detergent nyob rau hauv dej |
Tshem tawm defoamer |
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Lub aeration tank ua npuas ncauj tsis yooj yim tawg thiab nplaum |
Lub peev xwm thauj khoom yog siab dhau thiab decomposition ntawm cov organic teeb meem tsis tiav |
Txo cov load |
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Aeration tank npuas tshuaj yej los yog grey |
Cov sludge yog aging, lub hnub nyoog sludge ntev dhau lawm, thiab cov sludge deflocculated yog txuas rau ua npuas ncauj |
Nce av nkos |
Koj tuaj yeem tiv tauj peb:
Hu rau lub npe: Jasmine
Contact email: Kate@aquasust.com
Whatsapp tus lej: 8618868159881.
(2)Biological ua npuas ncauj thiab nws tswjua npuas ncauj yog ib qho tshwm sim hauv kev ua haujlwm ntawm cov txheej txheem sludge.
Muaj ob hom ua npuas ncauj, ib qho yog tshuaj ua npuas ncauj thiab lwm yam yog ua npuas ncauj.
Cov tshuaj ua npuas ncauj yog tsim los ntawm cov tshuaj ntxuav hauv cov dej phwj tuaj thiab qee qhov chaw ua haujlwm ntawm cov khoom siv hauv qab kev ua haujlwm ntawm aeration thiab tshuab tawm. Nyob rau hauv thawj theem ntawm activated sludge cultivation, muaj ntau yam tshuaj npuas npuas, thiab tej zaum ua npuas ncauj roob mus txog ob peb meters yog tsim nyob rau saum npoo ntawm lub aeration tank. Qhov no feem ntau yog vim cov activated sludge tseem tsis tau tsim nyob rau hauv thawj theem, thiab tag nrho cov khoom ua npuas ncauj tau tsim ua npuas ncauj nyob rau hauv qhov kev txiav txim ntawm aeration. Nrog rau qhov nce ntawm cov activated sludge, ib tug loj npaum li cas ntawm detergent los yog cov khoom nto yuav absorbed thiab decomposed los ntawm cov kab mob, thiab cov npuas yuav maj mam ploj. Nyob rau hauv ib txwm ua haujlwm activated sludge system, vim qee qhov laj thawj, ntau cov sludge poob, uas ua rau muaj kev nce ntxiv hauv F / M thiab tshuaj ua npuas ncauj. Kev kho cov tshuaj ua npuas ncauj yooj yim dua, koj tuaj yeem siv dej los defoam, lossis koj tuaj yeem ntxiv defoamer. Qhov nyuaj tshaj los daws yog biofoam, uas yog tsim los ntawm ib hom kab mob filamentous hu ua Nocardia. Cov tshuaj ua npuas ncauj yog milky dawb, thaum cov khoom ua npuas ncauj yog xim av. Nws tuaj yeem sau tau siab heev ntawm lub tank aeration thiab nkag mus rau lub tank thib ob kom ntws tawm nrog dej, ua rau muaj teeb meem ntau. Ua ntej ntawm tag nrho cov, bio-foam kis mus rau lub rooj tsavxwm taug kev, ua rau tus neeg teb xov tooj tsis tuaj yeem tswj nws ib txwm. Tsis tas li ntawd, bio-foam tuaj yeem khov rau lub caij ntuj no, ua rau nws nyuaj heev los ntxuav. Nyob rau hauv lub caij ntuj sov, bio-foam yuav drift nrog cua thiab tsim ib tug unpleasant tsw. Nocardia feem ntau yuav dhau los ua tib neeg cov kab mob. Yog tias siv cov cuab yeej aeration saum npoo, cov khoom siv roj ntsha tuaj yeem tiv thaiv kev ua kom tsis muaj pa thiab oxygenation thiab txo qhov D0 ntawm qhov sib tov. Bio-ua npuas ncauj kuj tuaj yeem nkag mus rau thaj tsam av nkos nrog rau cov sludge thiab cuam tshuam nrog kev ua haujlwm ntawm lub tank thickening thiab digestion tank. Lub bio-foam tsis tuaj yeem ntxuav nrog dej, thiab cov defoamer muaj kev cuam tshuam me ntsis. Vim Nocardia yog tsim nyob rau hauv lub tshuab txais sludge flocs, sim siv chlorine los daws qhov teeb meem tsis tuaj yeem daws qhov teeb meem. Kev ua kom cov sludge ntws thiab txo qis SRT qee zaum muaj kev cuam tshuam me ntsis, tab sis nws tsuas tuaj yeem tshem tawm ib feem ntawm Nocardia uas muaj lub sijhawm ntev. Lub hauv paus ntsuas ntawm bio-foam tswj yog pib los ntawm cov hauv paus hniav thiab tsom rau kev tiv thaiv.
Koj tuaj yeem tiv tauj peb:
Hu rau lub npe: Jasmine
Contact email: Kate@aquasust.com
Whatsapp tus lej: 8618868159881.
① Cov xwm txheej rau kev tsim cov biofoam Nocardia yog qhov laj thawj tseem ceeb rau kev tsim biofoam. Cov filamentous fungus no yog ib tug dendritic filament, waxy lipid compound cov ntsiab lus nyob rau hauv nws cov cell yog siab li 11%, thiab cytoplasm thiab cell phab ntsa muaj ib tug loj npaum li cas ntawm lipid khoom, uas muaj zog hydrophobicity thiab tsawg ntom. Nocardia yog qhov ua rau muaj qhov sib npaug hauv ib puag ncig nrog qhov kub thiab txias (siab tshaj 20C) thiab nplua nuj hauv lipids. Cov neeg ntws cov dej phwj tuaj nrog ntau cov roj thiab lipids los yog tshem tawm tsis tiav ntawm cov khib nyiab hauv thawj lub tank, uas yog ib qho yooj yim los tsim bio-foam. Bio-foam yog yooj yim los tsim nyob rau lub caij ntuj sov tshaj lub caij ntuj no. Lub sijhawm tiam ntawm cov kab mob Nocardia feem ntau yog ntau tshaj 9 hnub, yog li nws yooj yim dua los tsim bio-ua npuas dej hauv lub tshuab ua haujlwm sludge nrog ultra-low load.
② Kev kuaj xyuas thiab tswj cov teeb meem ua npuas ncauj Zoo li sludge nthuav dav, thaum ua npuas dej tshwm sim, ua tib zoo saib xyuas thiab tshuaj xyuas yuav tsum tau ua kom paub meej tias hom thiab ua rau ua npuas ncauj, thiab sau cov tshuaj kom raug, txwv tsis pub nws yuav tsis tuaj yeem tswj cov npuas dej.
Phenomenon 1--Dawb, cov pa npuas npuas yog tsim nyob rau saum npoo ntawm lub aeration tank, thiab qee zaum cov nthwv dej loj tshwm.
Cov txheej txheem diagnostic yog raws li nram no:
Yog tias qhov tshwm sim no tshwm sim thaum lub sij hawm sludge cultivation process, nws yog ib qho xwm txheej thiab tsis xav tau kev saib xyuas. Raws li cov sludge nce, cov npuas yuav ploj lawm. Nyob rau hauv lub activated sludge nyob rau hauv ib txwm ua hauj lwm, yog hais tias cov saum toj no tshwm sim tshwm sim, thawj xyuas seb lub MLVSS yog txo. Yog hais tias sludge poob yog tshwm sim los ntawm cov effluent los ntawm lub thib ob sedimentation tank, uas ua rau ib tug txo nyob rau hauv MLVSS, qhov ua rau poob yuav tsum tau soj ntsuam thiab deal nrog. Yog tias MLVSS txo qis vim muaj cov sludge tawm ntau dhau, cov sludge tawm yuav tsum tau txo. Yog tias MLVSS tsis txo qis, mus rau cov kauj ruam hauv qab no. Rau
Koj tuaj yeem tiv tauj peb:
Hu rau lub npe: Jasmine
Contact email: Kate@aquasust.com
Whatsapp tus lej: 8618868159881.
Tshawb xyuas cov pa oxygen noj SOUR ntawm cov sludge. Yog tias SOUR txo qis, nws txhais tau hais tias cov sludge raug tshuaj lom, thiab qhov ua rau muaj tshuaj lom yuav tsum tau soj ntsuam thiab ntsuas kev kho mob yuav tsum tau ua.
Yog tias muaj npuas dej hauv qee lub tank aeration tab sis lwm tus tsis ua, xyuas seb cov dej faib nruab nrab ntawm txhua lub tank puas, thiab seb cov sludge xa rov qab nkag mus rau hauv txhua lub tank puas sib npaug. Yog hais tias ib qho aeration tank nkag mus rau hauv cov dej phwj ntau, tab sis faib cov sludge tsawg dua, lub tank yuav ua npuas dej.
Phenomenon 2--Ib tug nplua xim av ua npuas ncauj yog tsim nyob rau saum npoo ntawm lub aeration tank.
Cov txheej txheem diagnostic yog raws li nram no:
Tshawb xyuas cov pa oxygen noj SOUR ntawm cov sludge. Yog tias SOUR txo qis, nws txhais tau hais tias cov sludge raug tshuaj lom, thiab qhov ua rau muaj tshuaj lom yuav tsum tau soj ntsuam thiab ntsuas kev kho mob yuav tsum tau ua.
Yog tias muaj npuas dej hauv qee lub tank aeration tab sis lwm tus tsis ua, xyuas seb cov dej faib nruab nrab ntawm txhua lub tank puas, thiab seb cov sludge xa rov qab nkag mus rau hauv txhua lub tank puas sib npaug. Yog hais tias ib qho aeration tank nkag mus rau hauv cov dej phwj ntau, tab sis faib cov sludge tsawg dua, lub tank yuav ua npuas dej.
Phenomenon 2--Ib tug nplua xim av ua npuas ncauj yog tsim nyob rau saum npoo ntawm lub aeration tank.
Cov txheej txheem diagnostic yog raws li nram no:
Koj tuaj yeem tiv tauj peb:
Hu rau lub npe: Jasmine
Contact email: Kate@aquasust.com
Whatsapp tus lej: 8618868159881.
(3) Daim ntawv teev cov khoom siv tsis raug thiab kev soj ntsuam (saib cov lus)
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txawv txawv tshwm sim |
Kev tshuaj xyuas thiab kev kuaj mob |
kev daws teeb meem |
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Lub cev muaj suab nrov |
Cov kabmob puas lawm, cov kabmob tsis zoo lubricated, thiab lub twj tso kua mis raug thaiv |
Disassembly thiab kho |
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Loj kiv cua vibration |
Cov kabmob puas lawm, cov kabmob tsis yog lubricated, thiab txoj siv sib kis tau xoob |
Disassemble thiab kho, hloov txoj siv sib kis |
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Lub cev muaj zog overheated |
Cov kabmob puas lawm, cov kabmob tsis lubricated, lub cev muaj zog yog overloaded |
Disassembly thiab kho |
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Lub tshuab nqus dej |
Tsis zoo sealing thiab corrosion |
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Surface exposed tis log blockage |
Kev nqa tsis zoo, kom lub tank aeration tso, MLSS yog qhov tsawg heev |
Ntxuav thiab tshem tawm cov khib nyiab |
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Nto aerator dehydration |
Lub tshuab raug rau saum npoo yog immersed heev, MLSS yog ib txwm, DO yog tsawg |
Kho qhov chaw ntawm lub tis log |
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Qhov saum npoo av aeration tis log dej dhia ua me me, lub tis log yog submerged heev, lub MLSS yog ib txwm, DO yog tsawg, cov npuas nyob rau hauv lub diffuse huab cua aeration system tsis uniformly tig, thiab muaj pawg ntawm npuas nce. |
Cua xa cov yeeb nkab, aerator thaiv lossis tawg |
Kho cov ntaub tu cov pa cua yeeb nkab thiab aerator |
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Lub pH ntawm cov dej ntws tawm |
Kev kho anaerobic load yog siab dhau lawm, organic acid tsub zuj zuj |
Txo cov load |
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Tsawg load hauv kev kho aerobic, nitrification ntawm ammonia nitrogen |
Nce load |
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Muaj ib txheej ntawm cov av nkos ntab rau saum npoo ntawm lub tank thib ob, uas yog lom los ntawm cov sludge; cov sludge yog nthuav |
Sludge rejuvenation |
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ESS siab |
Cov av nkos tsis txaus, MLSS siab dhau |
Saib cov kev tiv thaiv kev nthuav dav |
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Av nkos nyob rau hauv lub thib ob sedimentation tank, denitrification los yog kev noj nyiaj txiag |
Nce av nkos |
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Turbid effluent |
Load tsawg dhau, sludge cohesion tsis zoo, sludge deflocculate |
Ntxiv zaub mov |
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Sludge lom |
Tshem tawm cov dej ingress thiab rejuvenate sludge |
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Cov lim nruab nrab ntawm cov lim dej tom qab nrawm yog cov kab mob, cov pa roj carbon activated thiab cov load yog siab dhau |
Nce recoil |
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Tsis tiav decomposition ntawm cov organic teeb meem |
Txo cov load |
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Lub chromaticity ntawm effluent nce |
Sludge deflocculation, siab influent xim |
Txhim kho cov duab sludge |
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SV sawv |
Sludge expansion, los yog tsis txaus sludge paug |
Xa mus rau expansion countermeasures |
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MLSS poob |
Lub twj tso kua mis rov qab yog thaiv los yog lub tis lub log raug thaiv, cov sludge yog nthuav los yog lom; ib tug loj npaum li cas ntawm sludge ploj |
Siv cov kev ntsuas sib raug raws li qhov xwm txheej tiag tiag |
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Cov hmoov tshauv siab ntawm sludge, ntau dua 50% |
Kev ua haujlwm tsis zoo ntawm grit tank thiab thawj sedimentation tank; ntau av nkos thiab xuab zeb nyob rau hauv lub influent dej, los yog high salinity |
Txhim kho kev ua haujlwm ntawm grit tank thiab tshem tawm plua plav |
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Tsawg DO ntawm aeration tank |
Lub zog yog tuab heev thiab lub nra hnyav heev; lub influent yog ntau inorganic txo cov tshuaj |
Txo cov load |
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Thaiv aerator |
Disassembly thiab kho
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