Los ntawm Cov Kev Ntsuas Zoo Tshaj Plaws mus rau qhov tsis zoo ntawm -Site Performance -Qhov teeb meem feem ntau nyob hauv cov txheej txheem sib tov
Hauv kev kho dej tiag tiag, ntau tus neeg ua haujlwm ntsib qhov xwm txheej uas Jar Tests qhia tiasPAC (Polyaluminium Chloride)muaj cov coagulation zoo heev, ua kom cov dej ntshiab thiab ntom flocs. Txawm li cas los xij, nyob rau hauv kev khiav dej num ua haujlwm, txawm tias tib PAC ntau npaum li cas, cov dej nyoos zoo tib yam, thiab cov kev ua haujlwm zoo sib xws tau khaws cia, qhov kev kho mob zaum kawg yuav txo qis, cov dej turbidity nce, thiab kev siv tshuaj lom neeg nce ntxiv.
Qhov tseeb, qhov tshwm sim no muaj ntau heev hauv kev kho dej haus, kev siv dej hauv nroog, kev kho dej khib nyiab, thiab dej rov ua haujlwm.
Ntau tus neeg thawj zaug xav tias PAC cov khoom lag luam zoo, cov dej tsis sib haum, lossis kev ua kom lub tank ua kom zoo. Txawm li cas los xij, kev xyaum ua haujlwm dav dav tau ua pov thawj tias feem ntau, qhov tseem ceeb cuam tshuam rau PAC coagulation nyhuv tsis yog tshuaj nws tus kheej, tab sis txoj kev sib xyaw thiab cov tshuaj tiv thaiv lub sij hawm thoob plaws hauv cov txheej txheem coagulation.
Raws li tus kws tshaj lij PAC tus neeg xa khoom thiab cov chaw kho dej, ECOLINK TECHNOLOGY tau ua haujlwm rau cov neeg siv khoom thoob ntiaj teb thoob plaws ntau qhov kev lag luam rau lub sijhawm ntev. Raws li kev nthuav dav ntawm -qhov chaw ua haujlwm, peb tau pom tias kev ua kom zoo ntawm cov khoom sib xyaw ua ke feem ntau tuaj yeem txhim kho PAC kev siv, txo cov nqi tshuaj, thiab txhim kho cov dej ntws zoo heev -tag nrho yam tsis muaj peev txheej ntxiv.
Yog li ntawd, rau txhua qhov project nrhiav los txhim kho kev kho mob efficiency ntawmPolyaluminium Chloride (PAC), tau txais kev nkag siab tob ntawm cov txheej txheem sib xyaw yog qhov muaj txiaj ntsig zoo dua li qhov muag tsis pom kev nce ntau npaum li cas.
Vim li cas cov txheej txheem sib tov txiav txim siab PAC Coagulation Treatment Effect?
PAC yog ib qho zoo inorganic polymer coagulant. Nws cov txheej txheem ua haujlwm tsis yog ib qho yooj yim ntxiv tshuaj, tab sis muaj cov tshuaj lom neeg tsis tu ncua thiab kev sib tsoo ntawm lub cev uas ua rau cov colloidal hais hauv dej kom maj mam tsim cov flocs loj thiab yooj yim.
Tag nrho cov txheej txheem feem ntau suav nrog ob qhov sib cuam tshuam tab sis sib txawv tag nrho raws li qhov yuav tsum tau ua:
Coagulation
Flocculation
Txawm hais tias ob feem ntau tshwm sim ua ntu zus, lawv cov kev xav tau rau kev sib xyaw ua ke yog qhov sib txawv. Yog tias qhov kev ua haujlwm zoo tshaj plaws ntawm ob theem tsis tuaj yeem ua tau raws li tus kheej, cov txiaj ntsig kev kho zaum kawg yuav nyob twj ywm, txawm tias tus nqi PAC Coagulant raug xaiv.
Theem 1: Kev sib xyaw nrawm-Kev txiav txim siab seb PAC puas muaj txiaj ntsig tiag tiag
Ib zaugPolyaluminium Chloride (PAC)nkag mus rau hauv lub cev dej, nws cov tshuaj tiv thaiv hydrolysis pib yuav luag tam sim ntawd.
Lub polynuclear hydroxyl complex ions tso tawm los ntawm PAC sai sai hu rau cov colloidal hais nyob rau hauv dej, destabilizing lawv los ntawm tus nqi neutralization. Qhov no deprives qhov nyuaj lwm yam - rau- daws cov khib nyiab tshem tawm ntawm lawv cov electrostatic repulsion, tsim cov xwm txheej rau flocculation tom ntej.
Cov txheej txheem no tshwm sim sai heev, tsuas yog ib lub qhov rai tshuaj tiv thaiv luv luv xwb.
Yog li ntawd, nyob rau hauv kaum ob vib nas this tom qab PAC nkag mus rau hauv lub system, cov tshuaj yuav tsum tau dispersed raws li zoo raws li nyob rau hauv tag nrho cov dej ntws.
Yog tias qhov sib tov ceev tsis txaus, cov teeb meem hauv qab no yuav tshwm sim:
Cov concentration hauv zos siab ntawm PAC, ua rau hauv zos overdosing;
Cov tshuaj tsis txaus nyob rau qee qhov chaw, ua tsis tiav cov nqi neutralization;
PAC pib hydrolyze ua ntej tag nrho dispersing, maj mam txo nws cov dej num;
Ib qho tsis txaus ntawm micro-flocs tsim tom qab, cuam tshuam rau tag nrho coagulation efficiency.
Yog li ntawd, lub hom phiaj ntawm kev sib xyaw sai sai tsis yog tsim cov flocs, tab sis kom PAC tuaj yeem tiv tauj tag nrho cov khoom kom raug kho.
Rau PAC cov txheej txheem kho dej kom zoo, qhov no yog kauj ruam tseem ceeb tshaj plaws ntawm tag nrho cov kab ke.
Theem 2: Flocculation Mixing-Txhawb Kev Tsim Cov Flocs ruaj khov
Tom qab cov coagulation sai ua tiav, cov khoom hauv dej tau poob lawv lub xeev ruaj khov, tab sis feem ntau ntawm qhov tsim ntawm qhov no tseem yog me me heev micro-flocs.
Cov micro-flocs yuav tsum tsis tu ncua sib tsoo thiab sib xyaw ua ke hauv qhov qis tom ntej- lub zog ib puag ncig, maj mam loj zuj zus mus rau thaum kawg tsim cov flocs loj uas tuaj yeem nkag mus rau hauv lub tank sedimentation lossis dissolved air flotation (DAF) system.
Qhov theem no xav tau yog:
Kev sib tov maj mam thiab tsis tu ncua;
Lub sijhawm khaws cia txaus;
ruaj khov thiab maj mam txo agitation zog.
Yog hais tias qhov kev ntxhov siab heev thaum lub sijhawm no, cov flocs loj uas tau tsim tshiab yuav tawg dua.
Feem ntau ntawm -site phenomena suav nrog:
Flocs tshwm sim -zoo li lossis hauv cov xeev me me;
Qhov tseem ceeb txo qis hauv qhov nrawm nrawm;
Nce nyob rau hauv effluent turbidity;
Tsis muaj peev xwm txhim kho cov teebmeem kev kho mob txawm tias tsis tu ncua nce PAC ntau npaum li cas.
Yog li ntawd, PAC ceev sib tov thiab flocculation lub sij hawm yuav tsum tau optimized nyias es tsis siv tib hom kev khiav hauj lwm.
Vim li cas Ib Leeg -Theem Mixing Systems feem ntau tsis ua tiav cov txiaj ntsig kho tau zoo?
Ntau qhov me me thiab nruab nrab- cov nroj tsuag dej loj lossis cov chaw kho dej khib nyiab hauv kev lag luam tau txais ib lub tank sib xyaw ua kom tiav tag nrho cov txheej txheem coagulation kom txuag tau nyiaj ntawm cov cuab yeej siv.
Txawm hais tias qhov kev tsim no yooj yim hauv cov qauv, nws yog ib qho nyuaj rau kev ua kom tau raws li qhov yuav tsum tau ua ntawm ob theem ib txhij vim tias kev sib xyaw nrawm thiab flocculation sib xyaw muaj qhov sib txawv ntawm lub zog.
Kev sib xyaw nrawm yuav tsum muaj siab - lub zog turbulence, thaum lub sij hawm flocculation yuav tsum tau qeeb, maj mam sib tsoo.
Yog tias siab - siv zog ua kom muaj kev kub ntxhov thoob plaws hauv tag nrho cov txheej txheem:
Micro-flocs tsis tuaj yeem loj hlob ntxiv;
Tsim loj flocs tsis tu ncua sheared thiab puas;
Kev siv PAC poob qis heev.
Hloov pauv, yog tias tag nrho cov kab ke siv qis - nrawm nrawm:
PAC tsis tuaj yeem tawg sai thiab sib npaug;
Charge neutralization efficiency poob;
Lub hauv ntej - kawg coagulation cov tshuaj tiv thaiv tsis txaus.
Yog li ntawd, nyob rau hauv niaj hnub kev lag luam kev kho dej thiab haus dej kho tshuab, ob-theem los yog ntau-theem kev sib xyaw tau dhau los ua ib qho kev tsim qauv ntau zuj zus.
Tsim nyog faib qhov sib xyaw ua ke sai thiab thaj chaw flocculation tuaj yeem txhim kho kev kho mob ntawm Dej Kho PAC thaum txo cov nqi khiav lag luam tag nrho.
Dab tsi ua haujlwm Parameters yuav tsum tau tsom mus rau hauv kev sib xyaw nrawm?
Ntau yam cuam tshuam rau kev sib xyaw ua haujlwm sai, tab sis kev xyaum ua haujlwm engineering tau ua pov thawj tias ob qhov tseem ceeb tshaj plaws yog:
1. Velocity Gradient (G tus nqi)
Qhov nrawm nrawm (G tus nqi) yog qhov ntsuas tseem ceeb los ntsuas qhov sib xyaw ua ke thiab lub hauv paus tseem ceeb rau kev txiav txim siab seb qhov sib tov puas txaus.
Rau PAC coagulation systems, cov kev ua haujlwm pom zoo yog:
G Tus nqi: 200–400 s⁻¹
Rapid Mixing Sijhawm:30-60 feeb
Qhov no sib npaug ntawm cov tshuaj lom neeg sai sai thiab kev siv hluav taws xob zoo, tso cai rau PAC kom ua tiav cov kev sib cais tsis sib xws hauv qhov pom kev pom qhov rai.
Yog tias G tus nqi qis dua li qhov pom zoo, nws yooj yim ua rau txo qis coagulation efficiency.
2. PAC Dosing Position
Ntxiv nrog rau kev sib xyaw ua ke, qhov chaw uas PAC nkag mus rau hauv lub cev kuj txiav txim siab txog kev kho mob.
Qhov zoo tshaj plaws, PAC yuav tsum tau txhaj tshuaj ntawm txoj haujlwm nrog qhov muaj zog tshaj plaws hauv lub cev, xws li:
Qhov nkag ntawm qhov sib tov nrawm;
Nyob ze ntawm cov neeg kho tshuab ceev agitator;
Siab- thaj chaw ceev hauv cov kav dej;
Nyob ze ntawm lub twj tso kua mis.
Yog tias PAC tau muab tshuaj rau ntawm qhov chaw uas tsis tshua muaj kev tshaj tawm lossis nyob deb ntawm cov khoom sib tov, cov tshuaj yuav raug siv los ua ib feem ntawm hydrolysis ua ntej nkag mus rau hauv qhov siab -turbulence zone, txo nws txoj haujlwm zoo.
Yog li ntawd, optimizing PAC dosing point feem ntau tuaj yeem txhim kho coagulation efficiency thiab txo cov nqi khiav lag luam yam tsis tau nce cov tshuaj ntau npaum.
Kev sib xyaw ua kom zoo muaj txiaj ntsig nyiaj txiag ntau dua li nce PAC Dosage
Thaum cov neeg ua haujlwm pom tias muaj kev nce ntxiv hauv cov dej turbidity, lawv thawj cov tshuaj tiv thaiv feem ntau yog nce PAC ntau npaum.
Qhov tseeb, yog tias muaj teeb meem nrog cov txheej txheem sib xyaw nws tus kheej, txawm tias tsis tu ncua ua kom cov tshuaj lom neeg tsis tuaj yeem daws qhov kev poob qis hauv coagulation efficiency.
Muaj coob tus ntawm -cov ntaub ntawv ntawm qhov chaw qhia tau hais tias tom qab tsim nyog optimizing ceev sib tov, flocculation mixing, thiab tag nrho cov tshuaj tiv thaiv lub sij hawm, cov hom phiaj nram qab no feem ntau ua tau:
Txhim kho PAC kev siv thiab txo cov tshuaj pov tseg;
Ua kom cov particle sib tsoo efficiency thiab ceev floc loj hlob;
Tsawg effluent turbidity thiab txhim kho system stability;
Txo cov sludge ntau lawm thiab txo cov kev kho mob tom ntej;
Txhim kho qhov ua tau zoo ntawm cov twj tso kua mis los yog cov khoom siv flotation;
Txuas lub voj voog ua haujlwm ruaj khov ntawm cov khoom siv thiab txo cov nqi khiav lag luam.
Rau cov kev kho dej uas ua raws li kev ua haujlwm ntev - lub sijhawm ruaj khov, es tsis yog qhov muag tsis pom kev ntxiv cov tshuaj, nws yog qhov zoo dua rau thawj zaug xyuas seb qhov kev sib xyaw ua tau raws li qhov xav tau tsim nyog.
Raws li pab pawg kws tshaj lij ECOLINK TECHNOLOGY dej kho dej, peb xav kom ua ntej qhov kev ntsuam xyuas ntawm kev sib xyaw nrawm, PAC dosing txoj hauj lwm, thiab lub sij hawm tuav lub cev thaum optimizing PAC coagulation txheej txheem los tsim qhov zoo tshaj plaws cov tshuaj tiv thaiv ib puag ncig rau tom ntej flocculation.
PAC Coagulation System Optimization Guide-Kev sib xyaw nrawm nrawm, Flocculation Control, thiab Reaction Time Optimization
Yuav Ua Li Cas Kev Tshawb Fawb Txog Kev Sib Tw nrawm nrawm los txhim kho PAC Kev Siv Tau Zoo?
Tom qab PAC tau txhaj tshuaj, lub sijhawm sib xyaw sai sai txiav txim siab seb cov tshuaj puas tuaj yeem sib cais thoob plaws hauv lub cev dej hauv qhov pom kev pom qhov rai. Yog li ntawd, nyob rau hauv optimization ntawm cov txheej txheem PAC coagulation, qhov sib tov ceev yog feem ntau yog thawj qhov txuas uas yuav tsum tau kuaj xyuas thiab ua kom zoo.
Kev paub txog kev tsim vaj tsev qhia tau hais tias qhov zoo - tsim kom muaj kev sib xyaw ua ke sai yuav tsum ua raws li peb yam hauv qab no ib txhij:
Txaus siab sib xyaw zog;
Tsim nyog lub sijhawm khaws cia;
Kho qhov PAC dosing txoj hauj lwm.
Tsuas yog thaum peb qhov no ua haujlwm hauv kev sib koom ua ke tuaj yeem ua tauPolyaluminium Chloride (PAC)tag nrho nws cov nqi neutralization muaj peev xwm, tsim kom muaj lub hauv paus ruaj khov rau tom ntej flocculation.
Yuav txiav txim li cas seb kev sib xyaw nrawm nrawm ua tau raws li qhov yuav tsum tau ua?
Hauv kev kho dej engineering, lubVelocity Gradient (G tus nqi)feem ntau yog siv los ntsuas qhov sib xyaw ua ke.
Qhov siab dua G tus nqi, qhov muaj zog shear nyhuv ntawm lub cev dej hauv ib chav tsev ntawm lub sijhawm, thiab qhov ceev ntawm PAC dispersion.
Cov kev pom zoo ua haujlwm tsis yog raws li hauv qab no:
| Parameter | Pom zoo Range |
| G Tus nqi | 200–400 s⁻¹ |
| Lub Sijhawm Sib Nqus | 30-60 feeb |
| PAC Dosing Position | Nyob rau hauv cheeb tsam uas muaj qhov muaj zog turbulence, nyob ze rau ntawm qhov nkag los yog sab hauv ntawm qhov sib tov nrawm |
Yog tias qhov kev sib xyaw ua ke tuaj yeem tswj tau cov theem saum toj no, qhov zoo PAC dispersion nyhuv feem ntau tuaj yeem ua tiav.
G tus nqi suav li cas?
Ntau tus neeg ua haujlwm paub qhov tseem ceeb ntawm tus nqi G tab sis tsis paub yuav suav li cas.
Qhov tseeb, txoj kev suav tsis yog qhov nyuaj.
Cov mis yog raws li nram no:
G =√(P/uV)
Qhov twg:
P:Fais fab nkag mus rau lub tov khoom (W)
μ:Dynamic viscosity ntawm dej (Pa·s)
V:Qhov ntim ntawm qhov sib tov nrawm (m³)
Nyob rau hauv cov dej kub sib txawv, cov dynamic viscosity ntawm dej sib txawv:
20 degree:Kwv yees . 0.001 Pa·s
5 degree:Kwv yees . 0.0018 Pa·s
Qhov no txhais tau hais tias nyob rau hauv tib lub cuab yeej thiab kev sib hloov ceev, qhov tseeb G tus nqi nyob rau lub caij ntuj no thiab lub caij ntuj sov txawv.
Ntau lub tuam txhab saib xyuas qhov kev hloov pauv no, ua rau muaj kev poob qis hauv coagulation efficiency thaum lub caij ntuj no, uas lawv ua yuam kev los ntawm kev hloov pauv hauv PAC cov khoom zoo.
Yog li ntawd, kev ua kom zoo dua PAC coagulation nyhuv yuav tsum tsis txhob tsom rau cov khoom siv tsis tau xwb tab sis kuj tseem hloov kho cov tswv yim ua haujlwm nrog rau cov caij nyoog, dej kub, thiab cov dej nyoos.
Yuav txhim kho li cas thaum tus nqi G tsis txaus?
Yog tias qhov kev suav qhia tias G tus nqi qis dua 200 s⁻¹, nws qhia tau hais tias qhov sib xyaw nrawm nrawm tsis txaus. Lub sijhawm no, kev ntsuas kev ua kom zoo hauv qab no tuaj yeem ua ntej:
Nce Agitator Ceev
Ua kom lub impeller ceev tuaj yeem nce lub zog sib xyaw, tso cai rau PAC kom tawg sai dua thoob plaws hauv dej. Tau kawg, kev hloov kho yuav tsum tau ua nyob rau hauv qhov tso cai ntawm cov cuab yeej siv kom tsis txhob muaj cov khoom siv ntau dhau.
Hloov nrog High -Efficiency Impellers
Qee cov cuab yeej qub siv cov paddles zoo tib yam, uas muaj kev ua haujlwm hydraulic tsawg. Hloov lawv nrog siab -kev ua tau zoo impellers tsim tshwj xeeb rau kev sib xyaw sai tuaj yeem txhim kho kev sib xyaw ua haujlwm yam tsis muaj kev siv zog ntau ntxiv.
Txo qhov ntim ntawm qhov sib xyaw nrawm nrawm
Ib qho loj sib xyaw tank ntim tau yooj yim tuaj yeem ua rau poob rau hauv lub zos khiav ceev. Tsim nyog optimizing tus qauv ntawm qhov sib xyaw ua ke pab kom lub zog ntom ntom ntawm ib chav tsev ntim, tso cai rau PAC kom ua tiav cov kev sib cais sai sai.
Kho qhov PAC Dosing Point
Yog tias PAC dosing txoj hauj lwm nyob deb ntawm qhov siab -tshuaj turbulence tsam, txawm tias lub tov khoom ua tau zoo, cov nyhuv kho yuav raug txo vim thaum ntxov hydrolysis ntawm cov tshuaj.
Nws feem ntau pom zoo kom txhaj tshuaj PAC Coagulant rau hauv:
Qhov nkag ntawm qhov sib tov nrawm;
Nyob ze ntawm lub tshuab agitator;
Lub twj tso kua mis;
Siab - cov kav dej loj tshaj.
Cov haujlwm no tuaj yeem ua kom muaj kev siv ntau tshaj plaws ntawm qhov system turbulence, yog li txhim kho kev siv tshuaj.
Case Analysis ntawm cov teeb meem tshwm sim nyob rau hauv Rapid Mixing Systems
Teeb meem 1: PAC Dosed hauv qis-Velocity Zones
Qhov no yog qhov yooj yim tshaj plaws saib qhov teeb meem ntawm ntau qhov chaw engineering.
Yog tias PAC nkag mus rau qhov qeeb - ntu cov yeeb nkab ntws, cov tshuaj yuav dhau los ua ib feem ntawm hydrolysis ua ntej mus txog qhov sib tov. Txawm hais tias PAC tseem nkag mus rau hauv lub cev, cov khoom siv nquag koom nrog hauv cov tshuaj tiv thaiv tus nqi nruab nrab tau txo qis.
Yog li ntawd, optimizing PAC dosing qhov chaw feem ntau ua tau zoo dua li ua kom cov tshuaj concentration.
Teeb meem 2: Lub sijhawm sib xyaw tsis txaus
Ntxiv nrog rau kev sib xyaw ua ke, lub sijhawm khaws cia kuj tseem ceeb heev.
Lub sijhawm sib xyaw ceev ceev kom tswj tau pom zoo yog:
30-60 feeb
Yog tias lub sijhawm khaws cia tsawg dua 30 vib nas this, PAC yuav nkag mus rau theem tom ntej ua ntej muaj sijhawm txaus los tiv tauj tag nrho cov khoom raug tshem tawm. Txawm hais tias G tus nqi ua tau raws li qhov yuav tsum tau ua, nws yuav ua rau txo qis hauv coagulation efficiency.
Ntawm - tus neeg teb xov tooj tuaj yeem kwv yees lub sijhawm khaws cia siv cov qauv hauv qab no:
$$\\text{Retention Time}=\\frac{\\text{Volume of Mixing Zone}}{\\text{Flow Rate}}$$
Yog tias qhov tshwm sim tau qis dua li qhov pom zoo, ntxiv baffles lossis optimizing cov qauv sib xyaw tank tuaj yeem txiav txim siab ua kom lub sijhawm ua haujlwm zoo.
Teeb meem 3: Tsis quav ntsej txog kev hloov kho lub caij ntuj no
Ntau lub tuam txhab tuav tib lub sijhawm nrawm nrawm xyoo - puag ncig.
Qhov tseeb, raws li qhov kub thiab txias, qhov viscosity ntawm cov dej nce, thiab qhov tseeb G tus nqi ntawm tib qhov kev sib hloov ceev yuav txo.
Piv txwv li:
Thaum lub caij ntuj sov ua haujlwm: G ≈ 300 s⁻¹
Tuav tib yam ceev hauv lub caij ntuj no:G yuav poob mus rau kwv yees li 220 s⁻¹
Txawm hais tias tseem nyob hauv qhov pom zoo, qhov kev ua haujlwm ntawm coagulation tau hloov lawm.
Yog li ntawd, nyob rau hauv qis -lub caij kub, cov khoom siv kev khiav hauj lwm tsis yuav tsum tau kho kom haum nyob rau hauv ua ke nrog cov kev soj ntsuam hauv internet kom paub tseeb tias lub sij hawm zoo tshuaj tiv thaiv thiab coagulation efficiency ntawm PAC.
Vim li cas Flocculation Stage yuav tsum muaj kev sib xyaw ua ke sib txawv?
Tom qab coagulation sai ua tiav, PAC tau destabilized cov colloidal hais.
Nyob rau lub sijhawm no, micro-flocs hauv lub cev yuav tsum tsis tu ncua kev sib tsoo, adsorption, thiab kev sib sau ua ke kom maj mam tsim cov flocs loj.
Yog tias qhov siab - lub zog ntawm lub sijhawm sib xyaw ceev tau khaws cia, cov flocs tshiab no yuav raug txiav thiab rhuav tshem tsis tu ncua.
Yog li ntawd, lubFlocculationtheem tseem ceeb:
Kev sib xyaw qeeb;
Kev sib tsoo tsis tu ncua;
Kev loj hlob ruaj khov.
Lub hom phiaj ntawm theem no tsis yog kom ceev cov tshuaj tiv thaiv, tab sis txhawm rau txhim kho qhov zoo ntawm flocs.
Pom zoo ua haujlwm Parameters rau theem Flocculation
Rau feem ntau cov haujlwm uas siv Polyaluminium Chloride rau kev kho coagulation, cov kev pom zoo tswj tsis tau raws li hauv qab no:
| Parameter | Pom zoo Range |
| G Tus nqi | 20–60 s⁻¹ |
| Lub sijhawm khaws cia | 15-30 feeb |
| Tus naj npawb (G × t) | 10,000–100,000 |
Tus Naj Npawb Pov Hwm qhia txog qhov sib xyaw ua ke ntawm kev sib xyaw ua ke thiab lub sijhawm khaws cia, ua rau nws yog qhov tseem ceeb rau kev ntsuas kev ua haujlwm ntawm flocculation.
Rau siab - cov dej tsis huv, cov dej khib nyiab hauv kev lag luam, thiab qee qhov kev kho dej saum npoo av, kev tswj hwm tus lej Camp yog feem ntau zoo dua li kho tus nqi G ib leeg.
Vim li cas thiaj muaj ntau thiab ntau qhov project txais Tapered Flocculation Designs?
Nyob rau hauv xyoo tas los no, txawm nyob rau hauv loj - cov chaw kho dej loj lossis cov tshuab dej ua haujlwm, ntau thiab ntau txoj haujlwm tau pib sivTapered Flocculation.
Lub tswv yim tsim no tsis tswj qhov sib xyaw ua ke thoob plaws hauv tag nrho cov flocculation tank, tab sis maj mam txo cov agitation zog raws li cov dej ntws mus rau pem hauv ntej.
Qhov kev pom zoo tsim yog raws li nram no:
First Compartment (Inlet): G = 40–60 s⁻¹
Txhawb kev tsim sai ntawm micro-flocs thiab ua rau muaj qhov sib tsoo ntau zaus.
Qhov thib ob (Nruab nrab): G = 25–40 s⁻¹
Tswj kev loj hlob floc tsis tu ncua, tso cai rau cov khoom me me kom maj mam ua ke rau hauv cov floc loj.
Qhov thib peb (Outlet): G = 15–25 s⁻¹
Siv txoj kev sib tov sib xyaw ua ke los tiv thaiv cov flocs loj los ntawm kev txiav thiab rhuav tshem, tsim kom muaj kev pom zoo rau cov sedimentation tom ntej.
Kev xyaum tau ua pov thawj tias piv rau ib txwm - ceev flocculation tso tsheb hlau luam, tapered flocculation yog qhov zoo dua rau kev txhim kho PAC coagulation efficiency thaum txo cov dej turbidity thiab tshuaj noj.
Yuav txiav txim li cas seb Flocculation Performance Xav Tau Qhov Zoo?
Thaum nyob rau ntawm - chaw ua haujlwm, lub xeev ntawm lub kaw lus tuaj yeem txiav txim sai sai los ntawm floc morphology.
Yog tias muaj cov xwm txheej hauv qab no tshwm sim, nws qhia tau tias qhov sib xyaw ua ke yuav xav tau kev hloov kho:
Flocs me dhau thiab rab koob -zoo li
Qhov no feem ntau qhia tias:
Tus nqi G siab dhau lawm;
Lub sijhawm khaws cia tsis txaus;
Cov tshuaj tiv thaiv flocculation tsis tiav.
Nws raug pom zoo kom txo qis qhov nrawm nrawm thiab txuas ntxiv lub sijhawm tshuaj tiv thaiv.
Flocs tawg ua ntej nkag mus rau hauv lub tank sedimentation
Feem ntau, qhov no yog vim:
Tshaj tawm tshaj tawm ntawm qhov hluav taws xob flocculation;
Kev kub ntxhov hauv zos ntau dhau ntawm qhov hluav taws xob;
Sudden hloov nyob rau hauv cov kev taw qhia ntawm dej ntws.
Kev cuam tshuam dej tuaj yeem txo tau los ntawm kev ntxiv cov ntawv qhia, baffles, lossis ua kom zoo rau cov qauv hluav taws xob.
Kev ua tau zoo zuj zus nyob rau lub caij ntuj sov tab sis ruaj khov nyob rau lub caij ntuj no
Qhov xwm txheej no feem ntau cuam tshuam nrog kev hloov dej kub.
Ntawm qhov sib txawv ntawm qhov kub thiab txias, qhov viscosity ntawm cov dej hloov pauv, cuam tshuam ncaj qha rau G tus nqi thiab kev sib tsoo particle efficiency.
Yog li ntawd, kev kho kom zoo ntawm kev ntxhov siab nyob rau lub caij sib txawv yog ib qho kev ntsuas tseem ceeb los xyuas kom meej tias kev ua haujlwm ruaj khov ntawm PAC daim ntawv thov hauv kev kho dej haus.
Cov lus qhia tshaj lij los ntawm ECOLINK TECHNOLOGY
Raws li tus neeg muab kev pabcuam tsom rauPAC, PAM, thiab tag nrho cov kev daws teeb meem dej, ECOLINK TECHNOLOGY qhia tias thaum ua kom zoo ntawm PAC coagulation txheej txheem, ib tug yuav tsum tsis tsuas yog tsom rau tshuaj zoo tab sis kuj ua ib tug systematic tsom xam nyob rau hauv ua ke nrog cov khoom sib tov, tshuaj tiv thaiv lub sij hawm, dej kub hloov, thiab nyob rau hauv - qhov chaw ua hauj lwm tsis.
Ntau qhov teeb meem engineering ua pov thawj tias tsim nyog ua kom zoo sib xyaw ua ke sai thiab cov tshuab flocculation tsis tuaj yeem txhim kho kev siv dej kho PAC nkaus xwb tab sis kuj txo cov nqi khiav lag luam, txhim kho cov dej tsis zoo, thiab tsim cov txiaj ntsig zoo dua rau kev kho dej haus, kev siv hauv nroog, thiab kev kho dej khib nyiab.
PAC Reaction Time Optimization, Tsawg-Cov Tswv Yim Ua Haujlwm Kub, Kev Sib Koom Tes ntawm PAC & PAM, thiab FAQ
Vim li cas Lub Sijhawm Tawm Tsam kuj txiav txim siab PAC Coagulation Effect?
Thaum optimizingPolyaluminium Chloride (PAC)Cov txheej txheem coagulation, ntau lub tuam txhab kho dej feem ntau tsom rau kev siv tshuaj lom neeg thiab kev sib xyaw ua ke tab sis tsis quav ntsej lwm qhov kev ua haujlwm tseem ceeb sib npaug -Lub Sijhawm Tawm Tsam.
Qhov tseeb, ua kom tiav coagulation tiav, PAC yuav tsum tsis yog tsuas yog tsim nyog sib xyaw zog tab sis kuj muaj lub sij hawm txaus cov tshuaj tiv thaiv kom tus nqi neutralization, particle collision, thiab floc kev loj hlob tuaj yeem ua tau zoo. Yog tias lub sijhawm khaws dej tsis txaus, txawm tias qhov sib xyaw ua tau raws li qhov yuav tsum tau ua, nws yog qhov nyuaj kom tau txais cov txiaj ntsig zoo tshaj plaws.
Yog li ntawd, thaum optimizing PAC coagulation txheej txheem, sib tov ceev, flocculation mixing, thiab tag nrho cov system tuav lub sij hawm yuav tsum tau muab xam, es tsis yog kho ib qho kev khiav hauj lwm parameter nyob rau hauv kev rho tawm.
The Rapid Mixing Phase yuav tsum tau lav lub sij hawm txaus txaus
Lub sijhawm sib xyaw nrawm yuav tsum tsis yog sib xyaw ua ke nkaus xwb tab sis kuj tseem tias PAC ua tiav cov nqi nruab nrab hauv qhov pom kev pom qhov rai.
Cov kev pom zoo ua haujlwm tsis yog raws li hauv qab no:
| Yam khoom | Pom zoo tus nqi |
| Lub Sijhawm Sib Nqus | 30-60 feeb |
| G Tus nqi | 200–400 s⁻¹ |
Yog tias lub sij hawm sib tov nrawm tsawg dua 30 vib nas this, PAC tuaj yeem nkag mus rau hauv chav ua haujlwm tom ntej ua ntej muaj kev sib cais thoob plaws hauv lub cev dej.
Nws cov kev cuam tshuam ncaj qha suav nrog:
Tsis txaus cov tshuaj tiv thaiv hauv zos coagulation;
Txo tus naj npawb ntawm micro-flocs tsim;
Txo hauv kev ua haujlwm flocculation tom qab;
Kev siv tshuaj lom neeg tsawg;
Nce nyob rau hauv effluent turbidity.
Yog li ntawd, PAC ceev sib xyaw thiab flocculation lub sij hawm yuav tsum tau sib koom ua ke thiab sib koom ua ke es tsis yog tsuas yog nrhiav kev nrawm dua.
Flocculation Retention Time ncaj qha cuam tshuam Floc loj hlob
Tom qab coagulation sai, cov micro-flocs hauv dej tseem me me thiab yuav tsum tau sib tsoo thiab loj hlob nyob rau hauv ib puag ncig qis- lub zog kom thaum kawg tsim cov flocs loj thiab yooj yim.
Feem ntau pom zoo lub sijhawm khaws cia:
| Cov dej tsis huv | Pom zoo Lub Sijhawm khaws cia |
| Kev kho dej kub li qub | 15-30 feeb |
| Dej kub hauv qab 10 degree | 20-30 feeb |
Hauv qhov chaw qis - qhov kub thiab txias, vim muaj dej viscosity ntau dua, cov khoom sib tsoo ntau zaus poob, thiab cov floc loj hlob qeeb qeeb.
Yog li ntawd, qhov tsim nyog ncua sij hawm flocculation thaum lub caij ntuj no ua haujlwm yog kev lag luam thiab siv tau zoo dua li qhov muag tsis pom kev nce PAC ntau npaum li cas.
Rau cov haujlwm uas xav txhim kho lub sijhawm pom zoo ntawm PAC, tsim nyog ua kom lub sijhawm khaws cia feem ntau tuaj yeem ua rau muaj txiaj ntsig zoo dua.
Tag Nrho Lub Sijhawm Tawm Tsam yuav tsum tau kho kom haum raws li cov xwm txheej sib txawv
Ntau hom dej nyoos muaj kev hloov pauv hauv lawv cov txheej txheem coagulation.
Piv txwv li:
Tsawg-Turbidity Raw Dej (<5 NTU):Hauv cov dej tsawg -turbidity dej, tus naj npawb ntawm cov khoom raug tshem tawm me me, thiab lub sijhawm rau kev sib tsoo ntawm cov khoom muaj tsawg. Yog li ntawd, nws raug pom zoo kom tsim nyog ncua sij hawm tag nrho cov tshuaj tiv thaiv ntawm qhov system.
Raw Dej nrog High Natural Organic Matter (NOM) Cov ntsiab lus:Rau cov dej saum npoo uas nplua nuj nyob rau hauv tej yam ntuj tso organic teeb meem, PAC xav tau los txhawb cov co- nag lossis daus ntawm cov organic teeb meem ntxiv rau ua kom tiav cov nqi neutralization. Tsim nyog nce lub sij hawm cov tshuaj tiv thaiv pab txhim kho tus nqi tshem tawm ntawm cov organic pollutants thaum txo qhov kev pheej hmoo ntawm cov tshuaj tua kab mob tom ntej byproduct tsim.
Yog li ntawd, nyob rau hauv cov haujlwm sib txawv, lub sijhawm khaws cia yuav tsum tsim nyog tsim raws li cov yam ntxwv ntawm cov dej nyoos es tsis txhob siv cov kev ua haujlwm tsis sib xws.
Vim li cas qhov kub hloov pauv cuam tshuam rau PAC kev kho mob?
Ntau cov nroj tsuag dej ntsib qhov tshwm sim qhov twg:
Kev ua haujlwm ruaj khov nyob rau lub caij ntuj sov, tab sis PAC coagulation nyhuv txo qis hauv lub caij ntuj no.
Qhov tseeb, qhov teeb meem feem ntau tsis yog nrog cov khoom lag luam PAC, tab sis nrog cov khoom ntawm lub cev ntawm cov dej hloov pauv vim qhov kub thiab txias.
Raws li qhov kub thiab txias poob:
Lub dynamic viscosity ntawm cov dej nce;
Lub zog tshaj tawm ntawm cov khoom qeeb qeeb;
Qhov zaus ntawm kev sib tsoo particle txo;
Qhov kev loj hlob ntawm floc qeeb qeeb.
Yog li ntawd, nyob rau hauv lub caij txias, ib qho kev kho kom haum yuav tsum tau ua rau:
Kev sib xyaw nrawm G tus nqi;
Flocculation tank agitation ceev;
Flocculation tuav lub sijhawm;
PAC dosing point qhov chaw.
Tsuas yog los ntawm kev ua kom zoo rau qis - qhov kub thiab txias ua haujlwm tuaj yeem ruaj khov kho coagulation cuam tshuam tau lav xyoo- puag ncig.
Kev sib xyaw siv PAC thiab PAM tuaj yeem txhim kho Flocculation Effects ntxiv
Rau cov dej khib nyiab hauv nroog, dej phwj tuaj hauv nroog, thiab qee qhov dej ntawm cov dej hauv av uas muaj cov turbidity siab thiab siab tshem tawm cov khib nyiab siab, tso siab rau PAC kom ua tiav cov coagulation qee zaum ua rau nws nyuaj kom tau txais kev daws teeb meem zoo tshaj plaws.
Nyob rau ntawm no, nyob ntawm cov yam ntxwv ntawm cov dej zoo, tus nqi tsim nyogPolyacrylamide (PAM)tuaj yeem muab dosed li polymer flocculant tom qab PAC ua tiav cov nqi nruab nrab.
PAC feem ntau yog lub luag haujlwm rau:
Them neutralization;
Micro-floc tsim;
Ua ntej coagulation.
PAM yog lub luag haujlwm tseem ceeb rau:
Polymer txuas;
Floc o;
Ua kom nrawm nrawm;
Txhim kho cov khoom ua tau zoo- ua kua sib cais.
Kev sib koom tes kom zoo ntawm ob leeg tuaj yeem txo cov dej turbidity zoo, txhim kho kom pom tseeb, thiab txo cov load ntawm cov khoom pom tom ntej.
Raws li cov khoom tseem ceeb ua ke ntawm ECOLINK TECHNOLOGY, peb muab tsis tau tsuas yog txawv specifications ntawm Polyaluminium Chloride (PAC) tab sis kuj cationic, anionic, thiab tsis yog -ionic PAM los muab ntau cov kev daws teeb meem rau cov dej sib txawv.
Cov txiaj ntsig dab tsi tuaj yeem sib xyaw ua kom zoo tuaj yeem nqa tau?
Ib tug loj tus naj npawb ntawm engineering teeb meem qhia tau hais tias tom qab optimizing lub mixing system, txawm yog hais tias tus PAC ntau npaum li cas tseem unchanged, muaj kev ruaj ntseg kev khiav hauj lwm cuam tshuam.
Cov kev txhim kho ib txwm muaj qhia hauv qab no:
| Kev sib xyaw ua ke | Hom Effluent Turbidity (Raw Dej 20 NTU) |
| Kev sib xyaw tsis txaus (G < 100 s⁻¹) | 8–15 TSI |
| Kev sib xyaw nrawm txaus, tab sis Flocculation tsis zoo | 3–8 TSI |
| Kev sib xyaw nrawm thiab Flocculation Optimized | 0.5-2 NTU |
| Optimized Rapid Mixing + Tapered Flocculation + PAM Pab Koom Tes | < 0.5 NTU |
Cov ntaub ntawv saum toj no yog nyob ntawm - qhov kev soj ntsuam engineering, tau txais nyob rau hauv cov xwm txheej ntawm PAC ntau npaum li 25 mg / L, pH 7.0, thiab dej kub ntawm 20℃. Cov teebmeem kev ua haujlwm tiag tiag yuav txawv nyob ntawm cov dej tsis zoo thiab cov txheej txheem txheej txheem.
Raws li tuaj yeem pom, kev ua kom zoo sib xyaw ua ke yog qhov muaj txiaj ntsig zoo dua li tsuas yog nce PAC ntau npaum li cas.
Kev soj ntsuam online ua rau PAC Kev Ua Haujlwm Zoo Tshaj Plaws Smarter
Nrog rau kev txhim kho cov nroj tsuag dej ntse, ntau thiab ntau lub tuam txhab tau pib siv cov cuab yeej saib xyuas online los pab tswj kev ua haujlwm.
Piv txwv li:
Online turbidimeters;
Online particle counters;
Online flowmeter;
Tsis siv neeg dosing tswj systems.
Los ntawm kev saib xyuas cov kev hloov pauv ntawm qhov loj me thiab turbidity ntawm lub qhov hluav taws xob flocculation hauv lub sijhawm tiag tiag, cov nyhuv coagulation tuaj yeem txiav txim tau sai, thiab PAC ntau npaum li cas thiab qhov sib xyaw ua ke tuaj yeem hloov kho raws sijhawm yam tsis muaj phau ntawv nquag G- kev suav nqi.
Rau qhov loj - cov nroj tsuag dej haus thiab cov dej kho dej hauv kev lag luam, kev tswj hwm kev lag luam digital yuav dhau los ua kev txhim kho yav tom ntej.
Cov lus nug nquag nug (FAQ)
Ib qho inline static tov khoom puas tuaj yeem ua tau raws li qhov xav tau ntawm kev sib xyaw nrawm ntawm PAC?
Yog lawm.
Yog hais tias qhov loj ntawm cov khoom zoo li qub sib phim tus nqi ntws thiab xyuas kom meej tias qhov kev khiav ceev feem ntau siab dua 1.5-2 m / s, txaus turbulence tuaj yeem tsim kom ua tiav kev sib xyaw ua ke. Yog tias qhov tseeb G tus nqi qis dua 200 s⁻¹, nws raug nquahu kom ntxiv cov tshuab tov khoom lossis ua kom zoo dua PAC txoj haujlwm.
Yuav ua li cas txiav txim seb lub sij hawm flocculation txaus?
Saib xyuas lub xeev ntawm flocs ntawm qhov hluav taws xob ntawm lub flocculation tank.
Qhov zoo tshaj plaws:
Flocs pom meej;
Particle loj yog hais txog 1-5 mm;
Flocs nyob sai sai tom qab stirring nres.
Yog tias cov flocs me dua 0.5 hli, zoo li rab koob -xws li, lossis yog tias cov dej tseem muaj turbid, lub sij hawm flocculation los yog sib xyaw zog yuav tsum tau rov ua kom zoo dua -.
Cov kev kho mob puas zoo dua yog tias PAC ntau dua?
Tsis tas li.
Kev noj ntau dhau ntawm PAC tsis yog tsuas yog ua rau cov nqi khiav lag luam xwb tab sis kuj tseem tuaj yeem ua rau cov colloids restabilization, cuam tshuam rau coagulation nyhuv. Txoj kev tshawb fawb yog los txiav txim siab qhov zoo tshaj plaws npaum li cas los ntawm kev xeem lub thawv thiab ntawm - cov ntaub ntawv kev ua haujlwm ntawm qhov chaw, thiab ua tiav kev ua kom zoo dua qub nrog rau kev sib xyaw ua ke.
Vim li cas cov kev khiav hauj lwm tsis yuav tsum tau kho nyob rau hauv txawv caij?
Vim tias qhov kub hloov pauv cuam tshuam rau dej viscosity, particle kev sib tsoo efficiency, thiab tus nqi G.
Yog li, kev kho kom tsim nyog yuav tsum tau ua raws li kev hloov pauv raws caij nyoog rau:
Agitation ceev;
Lub sijhawm khaws cia;
PAC dosing tswv yim.
Tsuas yog nyob rau hauv txoj kev no tuaj yeem ua haujlwm ruaj khov rau xyoo - puag ncig.
Xaus: Kev ua kom zoo rau kev sib xyaw ua ke yog qhov zoo dua li kev nce PAC ntau npaum
Rau feem ntau PAC coagulation systems, kev txhim kho kev kho mob tsis tas txhais tau tias nce nqi tshuaj. Dab tsi tiag tiag txiav txim siab coagulation kev ua tau zoo yog qhov sib txuam ntawm kev sib xyaw nrawm, sib xyaw flocculation, thiab lub sijhawm tshuaj tiv thaiv.
Kev xyaum tau ua pov thawj tias ntev npaum li kev sib xyaw nrawm yog tswj ntawm 200-400 s⁻¹ rau 30-60 vib nas this, ua raws li theem flocculation tswj ntawm 20-60 s⁻¹ nrog lub sijhawm tuav ntawm 15-30 feeb, coagulation zoo ntawmPAC (Polyaluminium Chloride)tuaj yeem tso tawm tag nrho, ua tiav qhov ruaj khov thiab muaj txiaj ntsig kev kho dej.
Raws li tus kws tshaj lij kev kho dej tshuaj thiab cov khoom siv, ECOLINK TECHNOLOGY tau cog lus los muab cov neeg siv khoom thoob ntiaj teb nrog siab -Polyaluminium Chloride (PAC), PAM, cov khoom siv kho dej, thiab ua tiav cov txheej txheem kev daws teeb meem zoo. Txawm hais tias koj tab tom koom nrog kev kho dej haus, kev kho dej hauv nroog, kev kho dej khib nyiab, lossis dej rov ua haujlwm, peb tuaj yeem muab cov lus qhia xaiv cov khoom lag luam thiab kev txhawb nqa raws li koj cov dej tsis zoo, cov txheej txheem ntws, thiab cov hom phiaj ua haujlwm, pab koj txo cov nqi khiav lag luam, txhim kho kev kho kom zoo, thiab ua tiav qhov kev kho dej ruaj khov thiab txhim khu kev qha.
Zoo siab txais tos hu rau ECOLINK TECHNOLOGY pab pawg kom tau txais kev pab dawb PAC daim ntawv thov kev sab laj, kev ntsuam xyuas txheej txheem coagulation, thiab cov lus qhia xaiv cov khoom. Peb yuav muab kev pabcuam rau koj hauv 24 teev.
