PAC Coagulation tsis zoo tsis tas yuav yog qhov teeb meem ntawm cov khoom lag luam: Kev Ntsuam Xyuas Kev Pom Zoo los ntawm Kev Siv, pH mus rau Kev Ua Haujlwm
Hauv kev kho dej haus, kev kho dej khib nyiab, thiab kev kho dej hauv nroog,Polyaluminium chloride (PAC)yog ib qho siv dav hauv inorganic polymer coagulant, feem ntau yog siv los tshem tawm cov khib nyiab, colloidal hais, xim, thiab qee cov organic paug hauv dej.
Txawm li cas los xij, hauv kev ua haujlwm tiag tiag, ntau lub tshuab kho dej ntsib teeb meem zoo sib xws:
Cov dej turbidity nce tom qab nce PAC ntau npaum;
PAC ua tau zoo nyob rau theem pib ntawm kev siv, tab sis maj mam poob tom qab khiav mus rau lub sijhawm;
Kev kuaj lub raj mis pom cov txiaj ntsig pom tseeb, tab sis cov txiaj ntsig kev ua haujlwm tsis zoo;
Qhov sib txawv tseem ceeb hauv kev ua haujlwm muaj nyob ntawm cov khoom sib txawv ntawm PAC cov khoom;
Flocs tsim maj mam nrog kev daws teeb meem tsis txaus.
Cov xwm txheej no tsis tau txhais hais tias PAC nws tus kheej ua tsis tiav. Raws li ECOLINK TECHNOLOGY qhov kev paub dhau los hauv cov haujlwm kho dej, qhov kev poob qis hauv PAC kev kho mob feem ntau tuaj yeem taug qab rau qee qhov laj thawj los ntawm kev kuaj mob thiab rov ua haujlwm ruaj khov los ntawm kev ua kom zoo dua.
Kev ua haujlwm tsis zoo PAC feem ntau cuam tshuam nrog plaub yam tseem ceeb:
Tsis tsim nyog PAC ntau npaum
Cov dej tsis haum tshuaj lom neeg
Kev tswj tsis txaus ntawm kev sib xyaw thiab flocculation txheej txheem
Kev cuam tshuam ntawm cov cuab yeej ua haujlwm raws li txoj cai
Los ntawm kev tsom xam tsom, qhov muag tsis pom kev siv tshuaj lom neeg tuaj yeem zam tau, txo cov nqi khiav lag luam thaum txhim kho coagulation efficiency.
I. Kev tshuaj xyuas plaub qhov laj thawj tseem ceeb rau PAC kev kho tsis ua haujlwm
1. Tsis yog PAC Dosage: Tsawg dhau los yog siab dhau yuav cuam tshuam rau kev ua haujlwm coagulation
Thaum siv PAC rau kev kho dej, qhov ntau npaum li cas yog qhov tseem ceeb cuam tshuam rau kev kho mob zaum kawg.
Ntau tus neeg siv ntseeg tias:
"PAC ntau ntxiv, qhov zoo dua qhov kev tshem tawm cov pa phem."
Qhov tseeb, qhov no yog ib qho kev xav tsis zoo.
PAC yuav tsum ua haujlwm nyob rau hauv qhov kev pom zoo ntau npaum li cas. Yog tias qhov ntau npaum li cas tsis txaus, cov khoom colloidal hauv cov dej tsis tuaj yeem ua kom ruaj khov, ua tsis tau zoo flocs; thaum PAC overdosed, Charge Reversal yuav tshwm sim, ua rau yav dhau los aggregated particles re-stabilize, thaum kawg ua rau muaj zog turbidity.
Thaum PAC ntau npaum li cas tsis txaus, nws feem ntau tshwm sim raws li:
Tsawg tshem tawm ntawm cov khoom raug tshem tawm hauv dej;
Me me ntawm flocs;
Cov kua dej tseem turbid;
Yooj yim daws ceev.
Thaum PAC ntau dhau, cov hauv qab no yuav tshwm sim:
Dej zoo deteriorates tom qab ntxiv tshuaj ntxiv;
Floc qauv yog xoob;
Effluent turbidity nce.
Yog li ntawd, nyob rau hauv kev siv tswv yim, qhov zoo tshaj plaws PAC ntau npaum li cas yuav tsum tau txiav txim los ntawm ib tug Jar Test, es tsis yog tsuas yog cia siab rau kev paub los mus nce npaum li cas.
PAC dej kho tshuaj kho kom zoo duayog ib kauj ruam tseem ceeb los xyuas kom meej cov txiaj ntsig ntawm coagulation ruaj khov.
ECOLINK TECHNOLOGY pom zoo kom cov neeg siv hloov pauv hloov pauv raws li kev hloov pauv ntawm cov dej tsis zoo, cov pa phem, thiab cov kev hloov pauv raws caij nyoog, tsis yog kho qhov kev siv tshuaj rau lub sijhawm ntev.
2. Tsis sib haum ntawm PAC tshuaj lom neeg kev ua tau zoo thiab dej zoo
Ntxiv nrog rau cov teeb meem kev noj tshuaj, qhov zoo ntawm PAC nws tus kheej thiab cov tshuaj ib puag ncig ntawm cov dej nyoos yuav cuam tshuam rau coagulation tau.
PAC tso siab rau cov tshuaj lom neeg hauv dej kom ua haujlwm, qhov tseem ceeb tshaj plaws yog:
pH ntau yam;
PAC lub hauv paus;
Al₂O₃ cov ntsiab lus;
Ntuj organic teeb meem (NOM) hauv dej nyoos;
Cov dej kub hloov.
Feem ntau, qhov tsim nyog ua haujlwm pH ntau rau PAC yog:
5.5–9.0
Yog tias pH ntawm PAC dosing point deviates los ntawm qhov ntau ntawm no ntev, txawm tias PAC ntau npaum li cas, cov txiaj ntsig zoo yuav tsis ua tiav.
Piv txwv li:
pH tsawg dhau:Tej zaum yuav cuam tshuam rau PAC hydrolysis txheej txheem, txo nws lub peev xwm los tsim flocs.
pH siab heev:Tej zaum yuav txo tau lub peev xwm coagulation ntawm txhuas ntsev hydrolysis khoom.
Yog li, kev sim thiab kho pH ua ntej PAC koob tshuaj yog ib kauj ruam tseem ceeb hauv kev daws cov coagulation tsis ua haujlwm.
Lub hom phiaj tswj ntau yog feem ntau pom zoo raws li:
PAC dosing point pH: 6.5-7.5
Tsis pub dhau qhov no, PAC tuaj yeem tsim cov txhuas hydroxyl polymers zoo dua, txhim kho cov pa phem tshem tawm.
3. Qhov sib txawv ntawm PAC cov khoom zoo ua rau kev kho tsis ruaj khov
PAC tsim los ntawm cov tuam txhab sib txawv, txawm tias muaj tib lub npe, tuaj yeem muaj qhov sib txawv tseem ceeb hauv kev ua tau zoo.
Cov ntsuas tseem ceeb cuam tshuam rau PAC kev ua tau zoo suav nrog:
Al₂O₃ cov ntsiab lus;
Lub hauv paus;
Cov ntsiab lus insoluble;
Khoom batch stability.
Piv txwv li, feem ntau siv PAC cov khoom lag luam hauv kev kho dej khib nyiab feem ntau tsom rau:
Al₂O₃ cov ntsiab lus;
Basicity nyob ib ncig ntawm 70-75%;
Cov khoom batch sib xws.
Yog tias tus neeg muag khoom kev ua tau zoo hloov pauv ntau ntawm cov khoom sib txawv, nws yuav ua rau:
Cov kev kho mob sib txawv ntawm tib koob tshuaj;
Kev hloov kho tsis tu ncua rau kev ua haujlwm ntau lawm;
Cov dej tsis ruaj tsis khov.
Yog li ntawd, xaiv tus neeg muab khoom PAC nrog kev tswj xyuas zoo yog qhov tseem ceeb.
ECOLINK TECHNOLOGY muab kev lag luam-qib PAC thiab haus dej- dej- qib PAC cov kev daws teeb meem, sib piv cov khoom tsim nyog raws li cov dej sib txawv, dej zoo, thiab cov hom phiaj kho mob, thiab muab COA (Certificate of Analysis) rau batch kev pom zoo.
4. Kev sib xyaw tsis txaus cuam tshuam rau PAC kev ua haujlwm
Tom qab PAC ntxiv rau hauv lub cev dej, nws xav tau kev sib xyaw sai kom tawg cov tshuaj sib npaug thiab sib cuag cov pa phem.
Yog tias qhov sib tov nrawm tsis txaus, nws yuav ua rau:
Tsis muaj peev xwm ntawm PAC kom sib cais sib npaug;
Tsis txaus colloid destabilization;
Cov tshuaj lom neeg hauv zos ntau heev;
Txo floc tsim efficiency.
Ntawm qhov tod tes, yog tias tom qab flocculation agitation siv siab dhau lawm, nws kuj tuaj yeem tawg tau tsim cov flocs loj.
Yog li, cov txheej txheem PAC coagulation tsis yog nyob ntawm cov tshuaj nws tus kheej xwb, tab sis kuj tseem nyob ntawm:
Dosing point qhov chaw;
Cov khoom siv hluav taws xob muaj xwm txheej;
Lub sijhawm sib tov;
Cov dej ntws ntws.
Kev sib xyaw nrawm feem ntau xav tau kev saib xyuas rau G- tus nqi tswj.
Pom zoo flash mixing theem:
G-value target: 200–400 s⁻¹
Los ntawm kev tswj kev sib xyaw kom zoo, PAC kev siv tau zoo tuaj yeem txhim kho tau zoo.
Lub hauv paus ntsiab lus tseem ceeb ntawm PAC Kev Kho Mob Failure Diagnosis: Txiav txim seb qhov Ua Ntej, Tom Qab Kho Txoj Kev Npaj
Thaum PAC kev kho mob poob qis, nws tsis pom zoo kom hloov cov khoom tam sim ntawd lossis nce ntau npaum li cas.
Txoj hauv kev kom raug yuav tsum ua raws li kab lus no:
Ua cov thawv kuaj kom paub meej tias kev ua haujlwm tshuaj lom neeg;
Tshawb xyuas pH ntawm PAC dosing point;
Optimize PAC dosing kom muaj nuj nqis;
Txheeb xyuas cov kev sib xyaw nrawm nrawm;
Txheeb xyuas cov xwm txheej ntawm kev ua haujlwm ntawm cov av hauv av thiab cov khoom siv hauv qab.
Txoj kev kuaj mob zoo no tuaj yeem txiav txim siab sai sai seb qhov teeb meem tshwm sim los ntawm:
Chemical yam;
Cov yam ntxwv dej zoo;
Cov yam ntxwv ua haujlwm;
Khoom yam ntxwv.
Rau feem ntau PAC daim ntawv thov teeb meem, kev ua haujlwm ruaj khov tuaj yeem rov qab los yam tsis muaj kev hloov khoom siv los ntawm kev kuaj xyuas kom raug thiab hloov kho.
II. Diagnostic Process for PAC Treatment Performance: Los ntawm Jar Test mus rau Field Optimization
Yuav ua li cas txhawm rau txiav txim siab qhov ua rau PAC tsis ua haujlwm thiab siv cov kev ntsuas kho kom raug
Thaum lub tshuab kho dej tau ntsib kev poob qis hauv PAC coagulation kev ua tau zoo, ntau tus neeg siv cov tshuaj tiv thaiv thawj zaug yog:
Nce PAC ntau npaum li cas;
Hloov PAC tus neeg muag khoom;
Ua kom cov khoom siv ua haujlwm load.
Txawm li cas los xij, cov txheej txheem no tsis tuaj yeem daws qhov teeb meem.
Qhov tseeb, PAC kev kho tsis ua haujlwm feem ntau muaj qhov ua rau pom tseeb. Los ntawm cov txheej txheem tshawb fawb, nws tuaj yeem txiav txim siab sai sai seb qhov teeb meem puas yog cov teeb meem tshuaj, teeb meem tshuaj lom neeg, teeb meem kev ua haujlwm, lossis teeb meem khoom siv.
ECOLINK TECHNOLOGY pom zoo kom siv cov kab mob hauv qab no:Jar Test → pH Detection → PAC Dosage Adjustment → Mixing Condition Check → Sedimentation Equipment Check
Txoj kev no tuaj yeem zam qhov kev hloov pauv tsis zoo thaum pab cov neeg siv khoom tsim kho cov txheej txheem kho dej kom zoo dua.
1. Kauj Ruam 1: Txiav txim siab qhov teeb meem los ntawm kev xeem Jar
Jar Test yog ib qho cuab yeej tseem ceeb rau kev txiav txim siab PAC kev ua haujlwm.
Nws tuaj yeem simulate cov txheej txheem kho dej tiag tiag, sib piv PAC ntau npaum li cas ntawm:
Floc tsim mob;
Kev ceev ceev;
Dej turbidity;
Optimal tshuaj noj.
Los ntawm Jar Tests, ob hom teeb meem tuaj yeem sib txawv sai:
Qhov xwm txheej 1: Kev xeem lub thawv ua tau zoo, tab sis kev ua haujlwm ua haujlwm tsis zoo
Yog tias nyob rau hauv qhov chaw kuaj mob:
Floc tsim yog ib txwm;
Turbidity yog txo qis;
PAC ntau npaum yog tsim nyog;
Txawm li cas los xij, qhov kev kho mob tiag tiag yog qhov tsis zoo, ces qhov teeb meem feem ntau tsis yog nrog PAC cov khoom, tab sis tej zaum yuav tshwm sim los ntawm:
Kev sib xyaw tsis txaus;
Tsis tsim nyog PAC dosing point qhov chaw;
Tsis zoo li hydraulic tej yam kev mob nyob rau hauv lub clarifier;
Untimely sludge tawm.
Hauv qhov no, ua kom pom tseeb yuav tsum tau muab tso rau hauv kev tshuaj xyuas cov cuab yeej ua haujlwm tsis ua haujlwm.
Qhov xwm txheej 2: Kev xeem lub thawv ua haujlwm tsis zoo ib yam
Yog tias qhov ntsuas lub thawv tsis ua tiav cov txiaj ntsig zoo, nws qhia tau tias qhov teeb meem tuaj yeem tshwm sim los ntawm:
PAC noj tsis raug;
Cov dej tsis zoo pH;
PAC cov teeb meem khoom zoo;
Kev hloov pauv ntawm cov dej tsis huv hauv cov dej nyoos.
Nyob rau lub sijhawm no, nws tsis pom zoo kom nce cov tshuaj siv tshuaj ncaj qha, tab sis theej ntxiv txheeb xyuas cov dej zoo.
2. Kauj Ruam 2: Tshawb xyuas thiab Kho PAC Kev Ua Haujlwm pH Range
pH yog ib qho tseem ceeb ntawm PAC coagulation kev ua tau zoo.
Tom qab PAC ntxiv rau hauv dej, nws yuav tsum tsim cov polymers nrog adsorption thiab them nqi nruab nrab ntawm kev muaj peev xwm los ntawm hydrolysis cov tshuaj tiv thaiv.
Yog tias pH tsis nyob hauv qhov ua tau zoo, txawm tias PAC zoo tsim nyog, cov hauv qab no yuav tshwm sim:
Nyuaj hauv kev tsim floc;
Txo cov pa phem tshem tawm;
Kev siv tshuaj lom neeg ntau ntxiv.
Raws li kev paub txog kev siv tau zoo:
PAC ua haujlwm zoo pH ntau yam: 5.5–9.0
Optimal tswj ntau yam: 6.5–7.5
Yog tias kev kuaj pom pom:
pH tsawg dhau:Nws tuaj yeem txhim kho los ntawm kev ntxiv alkaline adjusters, xws li:
Txiv qaub;
Caustic dej qab zib.
pH siab dhau:Nws tuaj yeem txo qis los ntawm kev ntxiv acidic adjusters.
Lub hom phiaj ntawm kev hloov kho tsis yog tsuas yog hloov pauv tus nqi pH, tab sis tsim kom muaj ib qho chaw haum rau PAC hydrolysis thiab flocculation tshua.
Thaum muab PAC coagulation kev kho cov kev daws teeb meem, ECOLINK TECHNOLOGY ntais ntawv raws li cov neeg siv khoom raw cov dej tsis zoo, tsis yog tsuas yog pom zoo kom noj ntau npaum li cas.
3. Kauj Ruam 3: Txhim kho PAC Dosing kom muaj nuj nqis
Optimal PAC ntau npaum li cas tsis yog tus nqi ruaj khov.
Cov xwm txheej cuam tshuam rau PAC qhov xav tau suav nrog:
Cov dej turbidity;
COD cov ntsiab lus;
Xim;
Kub;
Kev hloov raws caij nyoog;
Muaj kuab paug variations.
Nws feem ntau yuav tsum tau txiav txim siab ntawm Jar Test.
Kev hloov cov ntsiab cai yog raws li nram no:
Tsis txaus PAC Dosage
Kev ua tau zoo:
Me me ntawm flocs;
Kev txhim kho dej tsis zoo;
Effluent turbidity tseem siab.
Kev daws:
Maj mam nce PAC ntau npaum li cas, nrhiav qhov zoo tshaj plaws los ntawm kev sim.
PAC ntau npaum li cas
Kev ua tau zoo:
Turbidity nce tom qab PAC ntxiv;
Flocs rov- tawg;
Charge reversal tshwm sim.
Kev daws:
Txo PAC ntau npaum li cas, rov qab mus rau qhov zoo tshaj plaws uas tau txiav txim siab los ntawm kev xeem lub thawv.
Qhov tseeb Dosing Quantity Deviates los ntawm Optimal Dosage ntau dua 15%
Yog tias muaj qhov sib txawv tseem ceeb ntawm qhov ntsuas qhov ntsuas twj tso kua mis thiab qhov kev sim ntsuas qhov zoo, nws yuav tsum:
Recalibrate metering twj tso kua mis;
Kho PAC dosing txaus tus nqi;
Tsis tu ncua saib xyuas 24-teev effluent turbidity.
Feem ntau tom qab hloov kho, kev txhim kho tuaj yeem pom nyob rau hauv ib lub voj voog flocculation:
30-60 feeb
4. Kauj Ruam 4: Ua kom zoo dua PAC Cov txheej txheem sib xyaw nrawm thiab Flocculation
PAC tsis ua tiav kev kho tam sim tom qab muab ntxiv rau hauv dej.
Tag nrho cov txheej txheem suav nrog:
Cov tshuaj diffusion sai;
Colloidal particle destabilization;
Micro-particle aggregation;
Loj floc tsim;
Sedimentation sib cais.
Yog li, kev sib xyaw ua ke ncaj qha cuam tshuam rau PAC kev siv tus nqi.
Kev tsom xam yuav tsum tau muab tso rau hauv kev kuaj xyuas:
(1) PAC Dosing Point Qhov Chaw
Qhov chaw zoo tshaj plaws yuav tsum tau xaiv ntawm:
Tag nrho cov turbulent dej ntws cheeb tsam;
Qhov sib tov nrawm nrawm;
Cov chaw muaj peev xwm ntawm cov tshuaj tua kab mob sai sai.
Yog tias PAC tsis tuaj yeem tawg sai sai tom qab ntxiv, nws yuav ua rau muaj kev xav ntau hauv zos, cuam tshuam rau kev kho mob.
(2) Kev sib xyaw nrawm nrawm
G-cov nqi kuaj xyuas raug pom zoo thaum lub sijhawm sib xyaw flash:
200–400 s⁻¹
Yog tias G-tus nqi qis dhau:
PAC tsis tuaj yeem tawg tag nrho;
Colloidal destabilization tsis txaus.
Yog tias G- tus nqi siab dhau lawm:
Tsim flocs tuaj yeem tawg.
5. Kev sib xyaw siv PAC thiab PAM los txhim kho Floc Kev Ua Haujlwm Zoo
Hauv ntau daim ntawv thov kev kho dej khib nyiab, siv PAC ib leeg los ua kom tiav coagulation tsis tuaj yeem ua tiav qhov kev ua tau zoo.
Tshwj xeeb tshaj yog nyob rau hauv:
Mining dej khib nyiab;
Xuab zeb ntxuav dej khib nyiab;
Paper zeb khib nyiab;
Kev lag luam khib nyiab nrog cov khib nyiab siab;
PAC thiab PAM feem ntau yuav tsum tau siv ua ke.
Lub luag haujlwm tseem ceeb ntawm PAC:
Neutralize cov pa phem nto xwb;
Txhawb nqa colloidal destabilization;
Daim ntawv micro-flocs.
Lub luag haujlwm ntawm PAM (Polyacrylamide):
Adsorption txuas;
Nce floc loj;
Accelerate daws ceev.
Thaum cov xwm txheej hauv qab no tshwm sim:
Charge neutralization tau ua tiav;
Tab sis flocs tseem me me;
Kev daws teeb meem yog qeeb;
Ntxiv anionic PAM tuaj yeem txiav txim siab.
Pom zoo parameter:
Anionic PAM ntau npaum li cas:0.5-2 mg / L
Cov txiaj ntsig xav tau:
Floc loj nce ntau hauv 5-10 feeb;
Clarifier effluent txhim kho nyob rau hauv 30-60 feeb.
Kev siv ua ke ntawm PAC thiab PAM tam sim no yog ib qho kev daws teeb meem hauv ntau qhov kev kho dej khib nyiab.
ECOLINK TECHNOLOGY tsis yog tsuas yog PAC cov khoom lag luam xwb, tab sis kuj tseem muaj PAM (anionic, cationic, non{0}}ionic) cov khoom, xa cov kev daws teeb meem sib xyaw ua ke raws li ntau hom dej phwj tuaj.
6. PAC Kev Kho Kom Zoo Tshaj Plaws yog Kev Tsim Kho Kev Ua Haujlwm, tsis yog kev hloov kho ib leeg
Kev txhim kho PAC tsis tuaj yeem txo qis rau:
"Hloov mus rau lwm PAC".
Kev ua haujlwm ruaj khov yuav tsum tau xav txog txhua yam ntawm:
Cov dej nyoos hloov;
Cov khoom siv tshuaj lom neeg;
Dosing parameters;
pH tej yam kev mob;
Kev sib xyaw ua haujlwm;
Cov khoom siv hauv qab dej sedimentation.
Txoj hauv kev kom raug yuav tsum yog:Txheeb xyuas qhov txwv tsis pub → Kho qhov tseem ceeb → Tshawb xyuas kev ua haujlwm ntawm kev ua haujlwm
Los ntawm kev ua kom zoo dua qub, feem ntau PAC cov teeb meem kev thov tuaj yeem daws tau yam tsis muaj kev nqis peev ntau ntxiv.
III. PAC Kev Ua Haujlwm Kev Ua Haujlwm Tsis Txaus Siab Cov Ntaub Ntawv Kev Tshawb Fawb, Kev cuam tshuam rau lub caij nyoog, thiab FAQ
Yuav Ua Li Cas Ua Tau Ntev -Lub Sijhawm Ua Haujlwm ruaj khov ntawm PAC Coagulation Systems
Kev poob qis hauv PAC coagulation efficiency tsis tas txhais tau tias tag nrho cov kev kho dej muaj teeb meem loj.
Hauv kev ua haujlwm tiag tiag, kev hloov pauv hauv PAC kev ua haujlwm feem ntau cuam tshuam nrog:
Cov dej tsis zoo hloov pauv;
Cov pa phem raws caij nyoog hloov pauv;
Cov cuab yeej ua haujlwm hloov pauv raws li txoj cai;
PAC cov khoom batch hloov pauv;
Ntev - lub sijhawm ua haujlwm tsis zoo.
Yog li ntawd, rau ntev -khiav dej kho tshuab, kev soj ntsuam tas li thiab kev ua kom zoo dua qub yuav tsum tau tsim, es tsis tos kom txog thaum cov ntsuas dej tsis zoo ua qhov txawv txav ua ntej hloov kho.
ECOLINK TECHNOLOGY pom los ntawm kev tsom xam ntawm ntau yam kev lag luam dej khib nyiab, dej phwj hauv nroog, thiab cov dej haus kho cov dej num uas feem ntau PAC daim ntawv thov teeb meem tuaj yeem daws tau los ntawm kev txheeb xyuas cov txheej txheem thiab kev ua kom zoo dua.
1. Feem ntau PAC Kev Ua Haujlwm Tsis Txaus Siab thiab Kev daws teeb meem
Case 1: PAC System Efficiency Suddenly poob tom qab ua haujlwm tau ntau xyoo
Tej Yam Ua Tau: Yog tias lub kaw lus PAC tau ua haujlwm ruaj khov rau lub sijhawm ntev thiab mam li paub txog:
Nce effluent turbidity;
Txo flocs;
Kev siv tshuaj lom neeg ntau ntxiv;
Nws feem ntau tsis tshwm sim los ntawm ib qho laj thawj, tab sis tuaj yeem tshwm sim los ntawm cov kev hloov hauv qab no:
(1) Cov dej tsis zoo hloov pauv
Piv txwv li:
Kev hloov pauv dej raws caij nyoog;
Upstream pa paug qhov chaw hloov;
Ua kom muaj kev tso tawm load.
Thaum nyob hauv cov dej nyoos:
Tshem tawm cov khoom concentration;
Cov ntsiab lus organic;
Xim;
kev hloov pauv, tus thawj PAC dosing tsis siv tau lawm.
(2) Cov khoom siv ua haujlwm hloov pauv
Piv txwv li:
Mixer impeller hnav;
Txo kev sib xyaw ua ke;
Metering twj tso kua mis hloov pauv;
Clarifier kev ua haujlwm hloov pauv.
Tag nrho cov xwm txheej no yuav txo PAC coagulation efficiency.
(3) PAC Khoom Batch Hloov
Yog hais tias sib txawv batch ntawm PAC:
Al₂O₃ hloov pauv cov ntsiab lus;
Kev hloov pauv hauv paus;
Cov khoom ruaj khov tsis txaus;
Nws kuj tseem tuaj yeem ua rau kev kho mob sib txawv raws li qhov ntau npaum li cas.
Kev daws:Nws raug nquahu kom rov-Ua Kev Xeem Jar thiab sib piv:
Tam sim no PAC khoom COA;
Cov ntaub ntawv keeb kwm batch;
Kev ua haujlwm tiag tiag.
2. PAC Cov Teeb Meem Ua Haujlwm raws caij nyoog thiab cov phiaj xwm hloov kho
Cov txheej txheem kho dej muaj kev cuam tshuam loj heev los ntawm kev hloov raws caij nyoog.
Tshwj xeeb tshaj yog nyob rau hauv:
Kev kho dej saum npoo av;
Kev kho dej phwj hauv nroog;
Industrial circulating dej kho;
PAC cov kev ua haujlwm tsis zoo yuav xav tau kev hloov kho thoob plaws lub caij sib txawv.
Lub caij ntuj no: Tsawg kub ua rau qeeb Flocculation ceev
Thaum dej kub poob rau lub caij ntuj no, cov teeb meem tshwm sim muaj xws li:
Txo floc loj;
Txo qhov ceev ceev;
Nce effluent turbidity.
Yog vim li cas:Tsis tshua muaj kub ib puag ncig txo cov particle sib tsoo thiab flocculation cov tshuaj tiv thaiv ceev hauv dej.
Kev daws:
Txuas lub sijhawm flocculation los ntawm 20-40%;
Optimize agitation tej yam kev mob;
Ntxiv PAM los txhim kho floc qauv.
Hauv qab - qhov kub thiab txias, kev siv PAC thiab PAM ua ke feem ntau tuaj yeem txhim kho kev daws teeb meem.
Caij nplooj ntoos hlav: Ceev ceev hauv cov dej nyoos turbidity
Thaum lub caij nplooj ntoos hlav snowmelt los yog nag hnyav:
Nto dej ntws nce;
Sediment nkag mus rau hauv cov dej;
Cov dej nyoos turbidity nce sai heev.
Lub sijhawm no, cov hauv qab no tuaj yeem tshwm sim:
Thawj koob tshuaj PAC tsis tuaj yeem ua raws li cov kev cai kho mob.
Kev daws:
Re-coj kev xeem Jar;
Kho PAC npaum li cas raws li turbidity hloov.
Hauv qee kis:
PAC ntau npaum li cas yuav tsum tau nce los ntawm:30–50%los tiv nrog luv- lub sij hawm siab - turbidity cuam tshuam.
Lub caij ntuj sov: Ntau cov khoom siv organic ntxiv cuam tshuam rau PAC qhov xav tau
Nyob rau hauv lub caij ntuj sov, lub cev dej yog nquag mus rau:
Algae blooms;
Nce Natural Organic Matter (NOM);
Teeb meem tsw.
Cov xwm txheej no yuav ua rau PAC xav tau ntau ntxiv.
Kev daws:
Re- sim siv cov qauv dej tam sim no;
Kho PAC ntau npaum li cas;
Txhim kho cov txheej txheem hauv qab dej kom zoo raws li dej zoo.
Autumn: Nce Humus ua rau muaj kuab paug Load hloov
Tom qab poob nplooj nce nyob rau hauv lub caij nplooj zeeg:
Lub cev dej tuaj yeem ntsib:
Ntxiv cov organic teeb meem;
Tsaus xim;
COD variations.
Lub sijhawm no, nws yog qhov yuav tsum tau ua:
Re-kuaj dej nyoos;
Kho PAC ntau npaum li cas;
Optimize coagulation tej yam kev mob.
3. Cov Lus Nug Nquag (FAQ) Txog Kev Siv PAC
Q1: Vim li cas dej tsis zoo tom qab nce PAC ntau npaum li cas?
Yog vim li cas:Feem ntau, PAC ntau dhau ua rau tus nqi thim rov qab. Thaum PAC tshaj qhov kev noj ntau npaum li cas, cov nqi ntawm cov khoom tuaj yeem rov ua dua - nyob ruaj khov, ua rau kev ua haujlwm flocculation poob qis.
Kev daws:Re- paub meej tias qhov zoo tshaj plaws PAC ntau npaum li cas ntawm Jar Test es tsis tas yuav nce tshuaj ntxiv.
Q2: Vim li cas qhov chaw kuaj lub thawv kuaj tau zoo, tab sis kev ua haujlwm ua haujlwm tsis zoo?
Qhov xwm txheej no tshwm sim heev.
Yog tias:Laboratory kev ua tau zoo + Kev ua haujlwm tsis zoo
Nws feem ntau qhia tias: Tsis muaj teeb meem nrog PAC cov khoom nws tus kheej.
Tsom ntsoov rau kev kuaj xyuas:
PAC dosing point;
Kev sib xyaw nrawm nrawm;
G-tus nqi;
Clarifier hydraulic xwm txheej;
Sludge paug qhov xwm txheej.
Q3: PAC thiab PAM puas tuaj yeem siv tib lub sijhawm?
Yog lawm.
Hauv ntau daim ntawv thov kev kho dej khib nyiab:
PAC yog lub luag haujlwm rau:
Them neutralization;
Colloidal destabilization;
Micro-floc tsim.
PAM yog lub luag haujlwm rau:
Adsorption txuas;
Txhawb nqa flocs;
Accelerating kev daws teeb meem.
Piv txwv li, nyob rau hauv siab - tshem tawm - cov dej khib nyiab pov tseg xws li cov dej khib nyiab pov tseg, cov xuab zeb ntxuav cov dej khib nyiab, thiab cov ntawv zeb khib nyiab, PAC + PAM kev sib xyaw ua ke feem ntau ua tiav kev kho mob zoo dua.
Q4: Yuav ua li cas txiav txim seb PAC tus neeg muag khoom cov khoom lag luam zoo li cas?
Koj tuaj yeem txiav txim los ntawm cov hauv qab no:
Tshawb xyuas cov ntaub ntawv kuaj COA;
Sib piv Al₂O₃ cov ntsiab lus hla ntau pawg;
Txheeb xyuas qhov yooj yim stability;
Ua qhov sib npaug ntawm cov thawv uas siv tib cov qauv dej nyoos.
Yog tias qhov ua tau zoo sib txawv ntawm cov khoom sib txawv, tus neeg muag khoom uas muaj kev tswj xyuas zoo dua yuav tsum raug xaiv.
4. ECOLINK TECHNOLOGY muab kev tshaj lij PAC kev kho dej daws teeb meem
Kev ruaj ntseg PAC kev kho kev ua haujlwm tsis yog nyob ntawm cov khoom zoo, tab sis tseem ceeb tshaj ntawm:
Kev xaiv cov khoom raug;
Tsim nyog dosing tswvyim;
Kev ntsuas dej zoo;
Txheej txheem optimization.
ECOLINK TECHNOLOGY tsom rau cov tshuaj kho dej thiab kev daws teeb meem ib puag ncig, muab cov neeg siv khoom thoob ntiaj teb nrog:
Industrial-qib PAC;
Haus - dej- qibPAC;
AnionicPAM;
Cationic PAM;
Tsis yog -ionic PAM;
Kev kho dej khib nyiab technical support.
Targeting txawv daim ntawv thov scenarios:
Kev kho dej phwj hauv nroog;
Kev lag luamKev kho dej khib nyiab;
Paper zeb khib nyiab;
Mining dej khib nyiab;
Khoom noj khoom haus cov dej khib nyiab;
Kev kho dej engineering tej yaam num;
ECOLINK TECHNOLOGY tuaj yeem muab kev txhawb nqa raws li cov neeg siv khoom dej zoo:
Cov lus pom zoo ntawm cov khoom;
Kev them nyiaj yug kuaj qauv;
COA / MSDS cov ntaub ntawv kev qhia;
Ua ke PAC + PAM schemes;
Dosing optimization tswv yim.
Peb lub hom phiaj tsis yog tsuas yog muab cov tshuaj kho dej xwb, tab sis los pab cov neeg siv khoom txo cov nqi ua haujlwm thiab txhim kho cov dej ntws tawm kom ruaj khov.
Xaus: PAC Kev Kho Tsis Ua Haujlwm yog qhov teeb meem kuaj tau thiab kho kom zoo
Anomalies hauv PAC kev ua haujlwm feem ntau tshwm sim los ntawm:
Kev noj tshuaj tsis raug;
Cov xwm txheej tsis zoo pH;
Kev sib xyaw tsis txaus;
Cov khoom siv ua haujlwm teeb meem;
Kev hloov pauv ntawm cov khoom zoo.
Los ntawm qhov systematic diagnostic flow:Jar Test → pH Check → Dosage Optimization → Mixing Adjustment → Equipment Check
Feem ntau cov teeb meem kho PAC tuaj yeem daws tau sai.
PAC daim ntawv thov txoj hauv kev tuaj yeem tsis tsuas yog txhim kho cov pa phem tshem tawm, tab sis kuj txo cov tshuaj khib nyiab thiab txhim kho kev lag luam tag nrho ntawm kev kho dej.
ECOLINK TECHNOLOGY tau npaj los muab cov neeg siv khoom thoob ntiaj teb nrog kev tshaj lij PAC kev kho dej daws teeb meem los pab ua kom ruaj khov, ua haujlwm tau zoo, thiab kev ua haujlwm zoo ib puag ncig.
