Nrog rau kev ua lag luam sai dua, kev tso dej phwj tuaj yeem ua teeb meem loj hauv kev tiv thaiv ib puag ncig thoob ntiaj teb. Lub hauv paus ntawm kev kho dej phwj tuaj yog nyob rau hauv kev xaiv thiab siv covcov tshuaj flocculantnyob rau hauv cov txheej txheem purification. Nyob rau hauv xyoo tas los no, high-efficiency polyaluminum chloride (PAC), ua ib qho tseem ceeb flocculant, tau maj mam dhau los ua "khoom hnub qub" hauv kev lag luam kho dej phwj vim nws qhov kev ua tau zoo heev thiab kev siv dav dav.
Polyaluminum chloride yog ib qho inorganic polymer compound nrog muaj zog flocculation nyhuv. Nws yog tau los ntawm polymerization tshuaj tiv thaiv ntawm txhuas chloride thiab txhuas hydroxide nyob rau hauv tej yam kev mob tshwj xeeb. Piv nrog rau cov tshuaj txhuas ntsev flocculants (xws li txhuas sulfate, txhuas ntsev coagulant, thiab lwm yam), high-efficiency polyaluminum chloride muaj zog dua los tshem tawm cov pa phem, tshwj xeeb tshaj yog thaum cuam tshuam nrog siab turbidity thiab hnyav roj pa phem. Kev ua tau zoo yog tshwj xeeb tshaj yog thaum nws los txog rau dej zoo. Nws tau siv dav hauv ntau qhov chaw xws li kev kho dej phwj hauv nroog, kev kho dej phwj hauv kev lag luam, thiab kev kho dej phwj hauv tsev.
Cov txiaj ntsig ntawm kev ua haujlwm siab polyaluminum chloride
1. Cov nyhuv flocculation yog qhov zoo kawg nkaus
High-efficiency polyaluminum chloride tuaj yeem tsim cov flocs zoo hauv dej sai sai, yog li ntawd zoo adsorbing suspended solids, colloidal tshuaj thiab microorganisms hauv dej. Nws tuaj yeem nqus thiab tshem tawm cov khoom suspended, roj, hnyav hlau ions thiab lwm yam pa phem hauv dej sai sai. Tshwj xeeb tshaj yog thaum cuam tshuam nrog cov dej zoo, cov nyhuv yog superior rau cov tshuaj txhuas ntsev flocculants. Hauv kev kho dej phwj tuaj, high-efficiency polyaluminum chloride tuaj yeem ua rau lub tank sedimentation ceev hauv lub sijhawm luv luv, yog li ua rau lub voj voog kho dej phwj luv luv.
2. Ntau yam ntawm daim ntawv thov
Kev ua haujlwm siab polyaluminium chloridetuaj yeem hloov kho rau ntau yam dej zoo, suav nrog dej turbidity siab, dej phwj siab oily, dej muaj cov hlau hnyav, thiab dej qis-kub qis-turbidity, qhia txog kev hloov kho muaj zog. Nws tuaj yeem tshem tawm feem ntau cov khoom tawg thiab cov pa phem hauv dej, thiab tuaj yeem siv dav hauv kev kho dej phwj hauv ntau qhov chaw xws li kev tswj hwm hauv nroog, kev lag luam, thiab kev khawb av. Piv txwv li, hauv kev kho dej phwj hauv tsev, dej phwj hauv pulp mill, dej phwj hauv metallurgical, dej phwj hauv kev lag luam zaub mov thiab lwm yam xwm txheej, polyaluminum chloride ua haujlwm siab tuaj yeem ua tiav cov txiaj ntsig zoo heev.
3. Tsawg koob tshuaj, ua haujlwm tau zoo thiab txuag hluav taws xob
Cov tshuaj polyaluminium chloride ua haujlwm tau zoo yog tsim los kom ua tiav cov tshuaj tsawg dua thiab ua kom zoo dua cov nyhuv flocculation. Cov tshuaj rau qhov tsis muaj turbidity yog 25-40% ntawm cov txhuas sulfate, thiab cov tshuaj rau qhov muaj turbidity siab yog 10-25% ntawm cov txhuas sulfate. Qhov no tsis yog tsuas yog txo cov nqi ntawm kev siv tshuaj xwb, tab sis kuj txo cov kev siv hluav taws xob thiab cov av nkos hauv cov txheej txheem kho dej phwj tuaj. Vim nws cov txhuas seem tsawg, nws txo cov pa phem ntawm cov dej thiab txo cov nqi tag nrho ntawm kev kho dej phwj tuaj. Yog li ntawd, nws tau dhau los ua ib qho cuab yeej tseem ceeb los txuag cov nqi thiab txhim kho kev ua haujlwm zoo hauv kev siv.
4. Ib puag ncig zoo
Kev siv cov polyaluminium chloride ua haujlwm siab muaj kev cuam tshuam tsawg dua rau ib puag ncig thiab cov txhuas seem tsawg. Piv nrog rau lwm cov tshuaj flocculants, polyaluminium chloride muaj kev nyab xeeb dua thiab muaj kev cuam tshuam tsawg dua rau pH thiab TA ntawm cov dej khib nyiab, yog li qhov kev thov rau cov tshuaj los kho pH thiab TA raug txo qis. Tshwj xeeb tshaj yog nyob rau hauv cov dej phwj loj thiab cov haujlwm tiv thaiv ib puag ncig, nws tau dhau los ua qhov kev xaiv ntsuab dua thiab zoo dua rau ib puag ncig.
5. Haum rau kev kho dej kub qis thiab dej turbidity siab
Kev kho dej hauv lub caij kub qis yog ib qho kev cov nyom uas ntau tus neeg ntsib. Tshwj xeeb tshaj yog thaum lub caij ntuj no txias, qhov ua tau zoo ntawm ntau cov tshuaj flocculants ib txwm yuav raug txo qis heev. Txawm li cas los xij, cov tshuaj polyaluminum chloride ua haujlwm tau zoo tuaj yeem txuas ntxiv ua kom muaj cov nyhuv flocculation siab nyob rau hauv cov xwm txheej kub qis. Tsis tas li ntawd, thaum cov dej turbidity siab, PAC kuj qhia txog kev ua haujlwm muaj zog thiab tuaj yeem tshem tawm cov khoom me me thiab cov tshuaj colloidal hauv dej. Rau cov dej uas muaj roj ntau, cov tshuaj polyaluminum chloride ua haujlwm tau zoo kuj muaj cov nyhuv degreasing zoo heev.
6. Hloov kho rau ntau yam nqi pH sib txawv
Cov tshuaj polyaluminium chloride ua haujlwm tau zoo muaj kev hloov pauv zoo rau kev hloov pauv ntawm cov pH dej thiab tuaj yeem ua haujlwm tau zoo hauv ntau yam pH. Feem ntau hais lus, PAC tuaj yeem tswj tau cov nyhuv flocculation zoo hauv dej nrog qis dua (acidic) lossis siab dua (alkaline) pH, uas nthuav dav nws cov kev siv tau hauv ntau yam dej zoo. 5.0-9.0 vs 5.5-7.5
7. Txhim kho qhov ua kom cov dej noo zoo dua thiab txo cov dej ntws
Cov tshuaj polyaluminum chloride ua haujlwm tau zoo pab ua kom cov khoom khov kho sai dua hauv cov dej phwj thiab txhim kho kev ua haujlwm ntawm lub tank sedimentation los ntawm kev txhim kho qhov ceev thiab kev sib haum xeeb ntawm cov flocs. Tsis tas li ntawd, vim muaj cov polymerization siab ntawm cov tshuaj polyaluminum chloride ua haujlwm tau zoo, cov flocs tsim tau nruj dua thiab sib haum xeeb sai dua, yog li txo cov sludge tsim tawm. Qhov no yog qhov tseem ceeb rau kev kho sludge tom qab thiab pov tseg, thiab tuaj yeem txo tus nqi thiab qhov nyuaj ntawm kev kho sludge.
Cov piv txwv ntawm daim ntawv thov ntawm cov tshuaj polyaluminum chloride ua haujlwm siab hauv kev kho dej khib nyiab
1. Kev kho dej phwj hauv nroog
Hauv kev kho dej phwj hauv nroog, cov tshuaj polyaluminum chloride ua haujlwm tau zoo tuaj yeem siv dav hauv cov theem ua ntej thiab theem kho thib ob ntawm cov nroj tsuag dej. Nws tuaj yeem tshem tawm cov khoom seem, cov tshuaj colloidal, cov kab mob thiab lwm yam kab mob me me hauv dej, txhim kho cov dej zoo, thiab muab cov dej zoo dua rau kev kho mob tom qab. PAC tau dhau los ua ib qho ntawm cov flocculants tseem ceeb hauv cov nroj tsuag kho dej phwj hauv ntau lub nroog hauv tsev thiab txawv teb chaws.
2. Kev kho dej khib nyiab hauv kev lag luam
Hauv kev kho cov dej khib nyiab hauv kev lag luam, cov tshuaj polyaluminum chloride ua haujlwm tau zoo kuj siv dav. Nws muaj cov txiaj ntsig zoo rau kev kho cov dej khib nyiab hauv kev lag luam los ntawm kev luam ntawv thiab zas xim, kev ua ntawv, tawv, electroplating thiab lwm yam kev lag luam, thiab tuaj yeem tshem tawm cov pa phem xws li xim, COD thiab BOD. Piv txwv li, hauv metallurgy, fais fab, kev lag luam tshuaj lom neeg, kev ua ntawv, kev ua zaub mov thiab lwm yam kev lag luam, PAC tuaj yeem pab tshem tawm cov hlau hnyav, cov roj av, cov khoom me me thiab lwm yam pa phem hauv dej. Tshwj xeeb tshaj yog thaum kho cov dej khib nyiab uas muaj roj, PAC tau qhia txog nws lub peev xwm tshem tawm roj zoo heev thiab tuaj yeem txo cov roj hauv cov dej.
3. Kev kho dej khib nyiab hauv kev tsuas
Hauv kev kho dej khib nyiab hauv kev tsuas, polyaluminum chloride ua haujlwm tau zoo tuaj yeem tshem tawm cov zaub mov, cov av noo thiab lwm yam khoom uas raug tshem tawm hauv dej, muab kev txhawb nqa rau kev siv dej dua tshiab thiab kev kho dua tshiab hauv thaj chaw tsuas. Txij li thaum cov dej zoo hauv thaj chaw tsuas yog nyuaj thiab feem ntau muaj cov khoom seem thiab cov hlau hnyav, qhov ua tau zoo ntawm polyaluminum chloride yog qhov tshwj xeeb tshaj yog hauv hom kev kho dej khib nyiab no.
Feem ntau,kev ua haujlwm siab polyaluminum chloride, ua ib qho flocculant zoo heev rau kev kho dej phwj tuaj, muaj cov txiaj ntsig zoo rau kev siv tshuab thiab ib puag ncig. Tshwj xeeb tshaj yog thaum muaj cov dej turbidity siab, cov dej zoo sib xws, thiab cov roj ntau dhau, nws tuaj yeem ua tiav cov txiaj ntsig zoo dua.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-19-2024