Kev sib piv ntawm Dissolved Air Flotation thiab Sedimentation: Qhov twg yog Qhov Zoo Tshaj Plaws rau Kev Kho Dej Wastewater?

Hauv kev kho dej khib nyiab hauv kev lag luam, khoom siv -kua sib cais yog cov txheej txheem tseem ceeb uas cuam tshuam ncaj qha rau tag nrho kev ua tau zoo thiab kev ua haujlwm ruaj khov. Txawm hais tias nyob rau hauv tshuaj lom neeg, petrochemical, kev ua zaub mov, lossis lwm yam kev lag luam, cov khoom raug tshem tawm, cov roj, thiab cov khoom colloidal hauv cov dej khib nyiab yuav tsum tau muab tshem tawm kom zoo ua ntej nkag mus rau cov chav kho mob tom ntej.Tam sim no, sedimentation tanks (Sedimentation) thiab dissolved air flotation (DAF) yog ob qho tib si siv cov khoom siv-kua sib cais thev naus laus zis hauv kev kho dej.

Yog li, qhov twg yog qhov zoo dua,yaj cua flotationlos yog sedimentation?Qhov tseeb, qhov no tsis yog ib lo lus nug ntawm qhov twg technology yuav tsum superior rau lwm tus. Ob lub thev naus laus zis no ua haujlwm raws li cov qauv sib txawv thiab tsim nyog rau cov dej khib nyiab sib txawv.Rau cov tuam txhab lag luam, cov lus nug tseem ceeb tshaj yog:Raws li cov yam ntxwv ntawm cov dej khib nyiab tam sim no, qhov chaw nyob, thiab cov kev xav tau ntawm kev kho dej hauv qab, qhov twg cov khoom siv -kua sib cais yog qhov tsim nyog dua?

Kab lus no yuav muab ib qho kev sib piv ntawm DAF thiab sedimentation technologies los ntawm cov kev xav ntawm kev ua hauj lwm, cov yam ntxwv ntawm kev kho mob, daim ntawv thov scenarios, thiab engineering xaiv, pab tuam txhab uas muag kom nkag siab zoo dua yuav xaiv DAF los yog sedimentation rau cov dej khib nyiab.

Sedimentation thiab DAF: Ob txoj hauv kev sib txawv rau cov khoom sib txawv -Kua sib cais

Hauv kev kho dej khib nyiab hauv kev lag luam, lub hom phiaj tseem ceeb ntawm cov khoom siv - cov txheej txheem sib cais kua yog cais cov kuab paug ntawm dej.Txawm hais tias sedimentation thiab DAF muaj tib lub hom phiaj kawg, lawv ua tiav kev sib cais los ntawm kev sib txawv kiag li.

Sedimentation nyob ntawm lub ntiajteb txawj nqus.Thaum cov dej khib nyiab nkag mus rau hauv lub tank sedimentation, cov khoom uas muaj qhov ntom ntom dua li cov dej maj mam txav mus rau hauv qab, tsim cov sludge txheej rau hauv qab, uas yog tom qab ntawd tshem tawm los ntawm cov sludge paug.Txoj kev no nta cov qauv yooj yim thiab txhim khu kev qha, uas yog vim li cas nws tau siv dav hauv ntau qhov kev kho dej khib nyiab rau ntau xyoo.

Txawm li cas los xij, yaj huab cua flotation txais kev sib cais sib txawv.Nws siv cov npuas me me uas txuas nrog cov khoom ua paug, txo qhov ntom ntom ntawm cov pa phem tag nrho thiab tso cai rau lawv ntab mus rau saum npoo dej ua ke nrog cov npuas. Tom qab ntawd cov ntaub ntawv ntab yog muab tshem tawm los ntawm scraper system.

Yog li, qhov sib txawv loj tshaj ntawm ob lub thev naus laus zis yog:Sedimentation ua kom muaj kuab paug "sab hauv", thaum DAF ua kom muaj kuab paug "float up".

Dissolved Air Flotation yog dab tsi thiab nws ua haujlwm li cas?

Dissolved air flotation yog cov cuab yeej kho dej uas siv microbubbles kom ua tiav cov khoom sib cais - kua.Cov txheej txheem kev khiav hauj lwm feem ntau suav nrog ob peb kauj ruam:

Ua ntej, cov dej khib nyiab nkag mus rau theem coagulation thiab flocculation, qhov twg cov tshuaj ntxiv los txhawb kev sib sau ntawm cov pa phem phem rau hauv cov flocs loj.

Tom qab ntawd, lub tshuab cua yaj ua kom cov dej yaj hauv cov huab cua uas muaj ntau cov microbubbles thiab tso tawm rau hauv lub flotation tank los ntawm cov khoom tso tawm.

Tom qab cov microbubbles tuaj rau hauv kev sib cuag nrog cov pa phem, lawv txuas mus rau saum npoo ntawm flocs, cov roj tee, thiab cov khoom raug tshem tawm, ua rau lawv ntab sai heev.

Thaum kawg, qhov chaw ntab uas tsim los ntawm cov dej saum npoo av raug tshem tawm los ntawm cov txheej txheem scraper, thiab cov dej kho tau nkag mus rau theem tom ntej.

Cov tshuab no tshwj xeeb yog tsim rau kev kho mob:

● Suspended particles nrog qhov ntom ntom ze rau dej;

● Roj paug;

● Cov tshuaj colloidal;

● Cov khoom zoo uas nyuaj rau kev khom ib txwm.

Qhov no kuj yog vim li cas DAF feem ntau raug xaiv los ua ib qho tseem ceeb pretreatment chav nyob rau hauv ntau daim ntawv thov ntawm yaj huab cua flotation hauv kev kho dej khib nyiab.

Sedimentation kho cov dej khib nyiab li cas?

Sedimentation yog ib txwm muaj zog dua - txoj kev sib cais kua.Nws siv lub ntuj gravitational quab yuam ntawm cov pa phem tso cai rau cov khoom kom nyob thiab sib cais los ntawm dej.

For example, in wastewater containing relatively large suspended particles, pollutants with higher density can quickly settle to the bottom and then be removed through the sludge discharge system.Qhov zoo ntawm kev siv tshuab sedimentation suav nrog cov cuab yeej paub tab, qauv yooj yim, thiab kev ua haujlwm yooj yim thiab kev saib xyuas.

Yog li ntawd, rau cov dej khib nyiab uas muaj cov khoom siv yooj yim thiab cov khoom loj dua, cov dej khib nyiab tseem yog qhov kev xaiv zoo thiab muaj txiaj ntsig.Txawm li cas los xij, sedimentation kuj muaj qee yam kev txwv.Thaum cov dej khib nyiab muaj cov roj ntau ntau, cov khoom emulsified, lossis cov khoom zoo colloidal, cov pa phem no maj mam maj mam. Kev cia siab tsuas yog kev sib cais ntawm lub ntiajteb txawj nqus feem ntau tsis tuaj yeem ua tiav qhov kev kho mob xav tau.

Qhov txawv ntawm DAF thiab Sedimentation

Txhawm rau kom nkag siab zoo dua qhov sib txawv ntawm ob lub thev naus laus zis no, lawv tuaj yeem muab piv los ntawm ntau yam tseem ceeb:

Raws li tau pom nyob rau hauv lub rooj, ob lub tshuab tsis muaj qhov zoo lossis qhov tsis zoo. Qhov kev xaiv tsuas yog nyob ntawm cov yam ntxwv ntawm cov dej khib nyiab.

Dab tsi yog qhov zoo ntawm DAF piv nrog Sedimentation?

Kev ua tau zoo dua rau roj thiab qis -Kev tshem tawm cov pa phem

Qhov no yog ib qho ntawm qhov sib txawv tseem ceeb ntawm DAF thiab sedimentation.Hauv cov dej khib nyiab petrochemical, cov dej khib nyiab zoo, thiab kev kho cov dej khib nyiab, ntau cov pa phem tsis tuaj yeem daws sai.Piv txwv li, cov roj me me muaj qhov ntom ntom ntawm cov dej, tso cai rau lawv nyob twj ywm rau lub sijhawm ntev.Nyob rau hauv tas li ntawd, DAF siv microbubbles los txhim kho flotation efficiency ntawm cov pa phem, ho txhim kho cov roj - dej sib cais efficiency.Yog li ntawd, rau qee cov ntawv thov kev kho cov dej khib nyiab, cov lag luam feem ntau xav txog DAF raws li kev daws teeb meem.

Kev sib cais muaj peev xwm zoo dua rau Fine Suspended Solids thiab Colloidal Particles

Cov pa phem tsim tawm thaum lub sijhawm tsim khoom lag luam feem ntau tsis yog cov khoom loj loj.Ntau hom dej khib nyiab muaj cov khoom colloidal, nplua cov khib nyiab, thiab cov khoom emulsified. Cov pa phem no feem ntau maj mam nyob hauv lub ntiajteb txawj nqus. Txawm li cas los xij, tom qab coagulation thiab flocculation, DAF tuaj yeem ua tiav kev sib cais zoo dua.

Rau qee qhov chaw ua lag luam uas twb muaj lawm, thaj av muaj feem ntau txwv thaum ntxiv cov chaw kho dej khib nyiab tshiab.Piv nrog rau cov tso tsheb hlau luam loj loj, DAF cov cuab yeej feem ntau muaj cov qauv tsim qauv ntau dua. Yog li ntawd, nws muab qee qhov zoo hauv cov phiaj xwm nthuav dav lossis cov ntawv thov uas qhov chaw teeb tsa raug txwv.

Thaum twg Sedimentation Technology zoo dua?

Txawm hais tias DAF muaj cov txiaj ntsig tseem ceeb, kev siv thev naus laus zis tseem muaj ntau yam tseem ceeb.

Piv txwv li, thaum cov dej khib nyiab feem ntau muaj cov khoom siv tsis zoo uas muaj qhov ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom.

Rau cov dej khib nyiab thiab qee qhov kev lag luam tu cov dej khib nyiab, yog tias cov pa phem tuaj yeem daws tau lawm, kev siv sedimentation tuaj yeem txo cov txheej txheem nyuaj thiab kev ua haujlwm.Tsis tas li ntawd, rau qhov loj -tej dej kho cov dej num, qee zaum cov dej xau tank yog siv los ua ib feem ntawm tag nrho cov txheej txheem kho thiab ua ke nrog lwm cov chav kho mob.

Yog li ntawd, thaum txiav txim siab thaum twg los siv yaj huab cua flotation, kev tsom xam lub hom phiaj tseem xav tau:Yog tias cov pa phem tuaj yeem daws tau lawm, sedimentation yuav yog qhov kev xaiv yooj yim dua.Yog tias cov pa phem nyuaj rau kev daws teeb meem, tshwj xeeb tshaj yog thaum cov dej khib nyiab muaj cov roj ntau lossis cov tshuaj colloidal, DAF yuav tsim nyog dua.

DAF thiab Sedimentation puas tuaj yeem siv ua ke?

Hauv daim ntawv thov kev kho dej khib nyiab tiag tiag, DAF thiab sedimentation tsis yog kev xaiv ywj pheej kiag li.Muaj ntau txoj haujlwm kev lag luam sib xyaw ua ke sib txawv raws li cov yam ntxwv ntawm cov dej khib nyiab.

Piv txwv li:

Industrial Wastewater kho txheej txheem

Cov dej khib nyiab

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Kev kho mob ua ntej

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Sedimentation los yog DAF solid-kua sib cais

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Kev kho mob lom

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Membrane lim

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Cov dej rov siv dua

Rau cov dej khib nyiab nrog cov yam ntxwv ntawm cov pa phem ntau dua, cov txheej txheem ua ke xws li:DAF + Ultrafiltration + ROkuj tseem yuav siv tau.Hauv qhov sib xyaw no:DAF tshem tawm cov roj, tshem tawm cov khib nyiab, thiab cov pa phem colloidal,Membrane thev naus laus zis ntxiv txo cov pa phem ntau ntxiv,RO cov tshuab tsim cov dej zoo - zoo dua.Yog li ntawd, niaj hnub kev lag luam kev kho dej tau nce zuj zus tsom mus rau tag nrho cov txheej txheem kev sib koom ua ke ntau dua li kev sib piv tsuas yog ib chav kho mob xwb.

Yuav Ua Li Cas Xaiv Txoj Cai Zoo -Kev Sib Cai Lij Choj Rau Koj Lub Lag Luam?

Rau kev lag luam kev lag luam, xaiv cov cuab yeej kho mob yuav tsum xav txog cov xwm txheej tiag tiag.Ua ntej xaiv qhov kev daws teeb meem, cov tuam txhab yuav tsum xub nkag siab txog lawv cov yam ntxwv ntawm cov dej khib nyiab.Kev kho cov dej khib nyiab uas paub tab feem ntau yuav tsum teb ob peb nqe lus nug:

Cov dej khib nyiab yog dab tsi?

Dab tsi yog cov pa phem tseem ceeb?

Lub hom phiaj kev kho mob downstream yog dab tsi?

Puas yuav tsum tau siv dej rov qab?

Dab tsi yog qhov chaw thiab cov kev cai ua haujlwm?

Yog tias qhov chaw cog qoob loo muaj tsawg thiab yuav tsum muaj qib siab dua ntawm automation, DAF yuav tsim nyog dua.

Yog tias muaj av txaus thiab cov dej khib nyiab tuaj yeem nyob tau yooj yim, sedimentation yuav yog ib qho kev daws teeb meem ntau dua.

Cov xwm txheej no yuav cuam tshuam rau qhov kev xaiv zaum kawg.

Taihe Environmental Protection's Industrial Wastewater Treatment Solutions

Tsis muaj kev kho cov dej khib nyiab ruaj khov haum rau txhua qhov haujlwm.Cov txheej txheem ntau lawm, cov yam ntxwv ntawm cov dej khib nyiab, thiab cov kev cai tawm ntawm cov lag luam yuav cuam tshuam rau kev tsim kho zaum kawg.

Raws li cov chaw tsim khoom siv dej kho dej, Taihe Environmental Protection tau tshwj xeeb hauv kev kho dej khib nyiab thiab tuaj yeem muab cov kev daws teeb meem suav nrog DAF systems,ceramic membrane filtration systems, ultrafiltration systems, thiab thim rov qab osmosis systems raws li qhov kev xav tau sib txawv.

Rau cov tuam txhab tshuaj ntsuam xyuas DAF lossis sedimentation rau kev kho cov dej khib nyiab, qhov tseem ceeb tsis yog xaiv cov thev naus laus zis "ntau dua", tab sis xaiv cov kev kho kom zoo dua qub nrog lawv cov yam ntxwv tshwj xeeb ntawm cov dej khib nyiab.

FAQ

1. Puas yog DAF zoo dua li sedimentation?

DAF thiab sedimentation tsis muaj qhov zoo dua ib leeg.

Rau cov dej khib nyiab uas muaj cov roj ntau, cov pa phem colloidal, thiab cov khoom raug tshem tawm zoo, DAF feem ntau muab kev kho mob zoo dua. Txawm li cas los xij, rau cov pa phem uas yooj yim daws tau yooj yim, sedimentation yuav yog qhov kev xaiv nyiaj txiag ntau dua.

2. Dab tsi yog qhov txiaj ntsig tseem ceeb ntawm DAF tshaj li sedimentation?

Qhov txiaj ntsig tseem ceeb ntawm DAF yog nws lub peev xwm los siv microbubbles los cais cov pa phem uas nyuaj rau tshem tawm los ntawm kev teeb tsa ntuj, xws li roj, cov khoom siv colloidal, thiab cov khoom raug tshem tawm zoo. Tsis tas li ntawd, DAF systems feem ntau muaj cov cuab yeej siv ntau dua.

3. DAF puas tuaj yeem hloov cov sedimentation?

Hauv qee daim ntawv thov kev kho dej khib nyiab hauv kev lag luam, DAF tuaj yeem hloov cov sedimentation ua cov khoom tseem ceeb -kua sib cais.

Txawm li cas los xij, hauv cov haujlwm engineering tiag tiag, kev xaiv yog nyob ntawm cov yam ntxwv ntawm cov dej khib nyiab, cov hom phiaj kev kho mob, thiab cov txheej txheem hauv qab dej.

4. Lub tshuab twg zoo dua rau kev kho cov dej khib nyiab?

For oily wastewater treatment, DAF is usually more suitable than traditional sedimentation because oil droplets have lower density and are difficult to separate quickly through natural settling. Microbubbles hauv DAF tuaj yeem txhim kho cov roj- dej sib cais.

5. Kuv yuav xaiv li cas ntawm DAF thiab sedimentation?

Kev xaiv ntawm DAF thiab sedimentation yuav tsum muaj kev xav txog cov dej khib nyiab zoo, cov yam ntxwv muaj kuab paug, muaj peev xwm kho tau, muaj qhov chaw, thiab cov txheej txheem kho dej hauv qab.Ib tus kws tshaj lij cov khoom siv kho dej kho mob feem ntau ua cov txheej txheem tsim raws li cov txiaj ntsig kev soj ntsuam cov dej khib nyiab tiag tiag los txiav txim siab cov tshuaj tsim nyog tshaj plaws.