Cov ntsiab cai ua hauj lwm dab tsi, cov yam ntxwv, qauv, thiab kev txiav txim siab kev txiav txim siab ntawm Lamella clubifier meej?
Tso lus
Cov Ntsiab Cai thiab Cov Cwj Pwm ntawm Lamella Clarier
Raws li lub siab ntiav ntiav dej num rau lub zog siv, nyob rau hauv cov khoom siv tau zoo, qhov ntau dua cov kev ua kom zoo, uas tsis cuam tshuam rau lub sijhawm. Tus neeg raug kaw, lub sijhawm uas poob qis. Nyob rau hauv Lamella Clarier nrog inalined raj (lossis phaj) sedimentation plhaw tau muab faib ua ntau txheej parallel los yog cov leeg, yog li embodying lub plab tank lub ntsiab lus.
Dab tsi yog cov qauv tseem ceeb ntawm cov lama clarifier?
1️⃣ Nws siv txoj ntsiab cai ntawm Laminar ntws.
Qhov ntws ntawm cov paib inclined lossis cov leeg muaj lub vojvoog hluav taws xob me me, feem ntau ua rau muaj kev ntws qis, feem ntau ua rau muaj kev txaus siab rau lub xeev Laminar, feem ntau yog cov nyiam ua kom muaj txiaj ntsig rau kev ua yeeb yam. Tus lej froude sab hauv cov hlab nyob sab hauv cov raj yog txog 1 × 10 × 10 teev, qhia tau cov dej khov khov.
2️⃣ Nws nce qhov chaw daws teeb meem zoo, yog li txhim kho kev ua kom ua tiav.
Txawm li cas los xij, vim muaj qee yam xws li cov phiaj xwm tshwj xeeb ntawm cov hlab khoob, cov hluav taws xob ntws tawm, thiab cov phiaj xwm txaus, lub peev xwm tiag tiag tsis tuaj yeem ncav cuag cov theoretical ntau tshaj. Qhov sib piv ntawm qhov tseeb sedimentation ua hauj lwm ua rau theoretical efficiency yog hu ua cov coefficient zoo.
3️⃣ Nws luv luv qhov kev deb ntawm cov khoom siv, muaj kev txo qis lub sijhawm tswm.
4️⃣ Floc hais tuaj yeem tsoo thiab rov -}}} aggregate hauv inclined raj supryclined,Txhawb nqa kev loj hlob txuas ntxiv thiab txhim kho kom ua kom tiav.
Dab tsi yog cov qauv ntawm cov lama clarifier muaj?
Tus qauv ntawm Lamella Clarier zoo ib yam li ntawm cov lus qhia meej meej. Nws muaj plaub ntu tseem ceeb: ib qho inlet, ib qho chaw sib luag, qhov hluav taws xob, thiab thaj chaw sau tsis txaus. Qhov sib txawv yog tias qhov chaw teeb tsa tau nruab nrog ntau qhov kev nyab xeeb ntawm lub raj. Daim duab 1 qhia tau ib tus qauv ntawm Lamella qhia meej.
Nyob rau hauv Lamella clubifier, raws li cov kev taw qhia uas cov dej ntws los ntawm kev tawm tsam, thiab kab rov tav, thiab kab rov tav thiab kab rov tav. Nyob rau hauv downward samfifiers txaus, dej ntws mus hauv qab ntawm inclined hlab los yog daim hlau ua ke nrog kev daws teeb meem.
Thaum cov kev taw qhia ntws ntawm dej thiab hais yog tib yam, nws yog hu ua downward Flow (tseem hu ua co - ntws tawm). Thaum cov dej ntws rov qab los ntawm cov ntsiab lus meej, nws hu ua Kab rov tav zoo li Cross- ntws), uas tsuas yog siv rau cov paib incined.
Cov kev tsim qauv rau cov lamella clubifier yog dab tsi?
1. Inlet cheeb tsam
Dej nkag mus rau hauv lub ntsiab lus sib txuas. Cov inlet Cheeb Tsam feem ntau suav nrog cov phab ntsa perforated, lossis sab hauv qab ntawm cov qauv ntawm lub tank {} Zoo ib yam li cov kev cai sib txuas nrog cov kev cai sib txuas.
Txhawm rau kom meej txawm tias kev faib tawm los ntawm sab nraud ntawm lub raj muaj kev nyab xeeb, nws yog ib qho tsim nyog los tswj qhov chaw faib khoom hauv qab no cov hlab. Inlet ntws tawm ntawm tus ntoo khaub lig-} ntu yuav tsum tsis pub tshaj0.02–0.05 m/s.
2. Inclination lub kaum sab xis ntawm inclined raj sudrers
Lub kaum ntse ntse ntawm cov hlab inclined (lossis daim hlau) thiab lub tshuab kab rov tav yog hu ua inclination kaum ( ). Ib tug me me incination lub kaum ntse ntse cov txiaj ntsig tau nyob rau hauv ib qho qis dua particle inclinle intrering velocity (u₀) Thiab yog li zoo dua kev teeb tsa kev ua tau zoo.
Txawm li cas los xij, kom ntseeg tau tias sludge tuaj yeem swb cia li tau txais thiab raug tso tawm maj mam, yuav tsum tsis txhob me me. Rau upward ntws meej meej, lub inclination kaum feem ntauTsis pub tsawg tshaj 55℃-60 degree.
Rau downward samfifiers txaus, txij li sludge tso tawm yog yooj yim dua, lub kaum sab xis yog feem ntauTsis pub tsawg tshaj 30℃-40 degree.
3. Cov duab thiab cov khoom siv ntawm lub raj raj muaj kev nyab xeeb
Txhawm rau siv tag nrho cov lus sib thooj me me, muaj cov raj uas muaj teeb meem, xws li square, duab plaub, lossis cov ntawv sib dhos.
Txhawm rau kom yooj yim dua, ob peb lossis ntau pua ntawm cov raj tau muab faib ua ib qho module, thiab ntau yam Modules tau teeb tsa hauv thaj chaw.
Cov ntaub ntawv yuav tsum yog lub teeb yuag, muaj zog, tsis yog - ua kom muaj kuab txhuas, thiab yig. Cov ntaub ntawv nquag muaj xws li honeycomb ntawv thiab nyias cov ntawv yas yas. Honeycomb leeg yog feem ntau ua los ntawm impregnated ntawv kho nrog phenolic Resin, feem ntau tsim mus rau hauv lub teb chaws hexagons nrog ib qho inscribed lub voos ntawm hais txog25 hliCov. Cov hnab yas yog feem ntau0.4 hli tuab rigid pvc, tsim los ntawm cov cua sov nias.
4. Ntev thiab txuas ntawm lub raj ntawm lub raj ntawm lub raj
Lub raj ntev ntev, qhov siab dua qhov ua tau zoo. Txawm li cas los xij, cov hlab ntev ntau dhau yog qhov nyuaj rau fab me me thiab txuas ntxiv rau ib qho ntev dhau ntawm qee qhov kis tau ploj zuj zus.
Yog hais tias cov hlab yog luv heev, cov feem ntawm qhov kev hloov chaw (qhov chaw ntws hloov los ntawm cov cua hlob los ntawm Laminar) nce, txo qhov txiaj ntsig tswm tau ntev. Kev hloov chaw nyob ntev feem ntau100-200 hli.
Raws li kev paub:
Qhov ntev ntawm upward ntws uncined daim phiaj feem ntau yog0.8–1.0 m, thiab yuav tsum tsis txhob tsawg dua0.5 m.
Rau kev poob qis, qhov ntev yog hais txog2.5 m.
Nyob rau ntawm tus ntoo khaub lig tas li - ntu me me los yog lub raj ntawm txoj kev sib tw ua kom lub cev thiab lub raj xa hluav taws xob ntau dua, tso cai rau lub ntim me me. Txawm li cas los xij, spacle me me heev lossis diameters nce fabrication nyuaj thiab kev pheej hmoo ntawm clogging.
Hauv kev kho dej xyaum:
Lub spacing lossis raj ntawm txoj kab uas hla rau upward ntws tshab yog hais txog50-150 HLI.
Rau downward clogifiers txaus, lub phaj plhaw yog hais txog35 hli.
5. Qhov hluav taws xob cheeb tsam
Txhawm rau kom ntseeg tau tias nws ntws tawm ntawm lub raj ntawm cov neeg muaj kev nyab xeeb ntawm lub raj, kev npaj ntawm cov kab ke sau hauv Effluent yog qhov tseem ceeb. Cov kab ke sau ua ke muaj cov sau tom qab thiab cov channel tseem ceeb.
Cov neeg sau rau tsiaj ntawv tom qab tej zaum yuav perforated troughs, v -} Under, nyias weirs, lossis perforated kav dej, lossis pecorated pipes.
Qhov siab los ntawm inclined raj qhov hluav taws xob rau cov thaj chaw sau dej (piv txwv li, cov chaw dej ntshiab kom muaj feem rau cov neeg sau ntawv tom qab thiab yuav tsum tau ua kom tau raws li cov hauv qab no:
H ntau dua lossis sib npaug ntawm √3 / 2 × l, qhov twg:
h{{0= ntshiab dej cheeb tsam qhov siab (m)
L=} txav ntawm cov neeg sau khoom tom qab (m)
Feem ntau,Lyog1.2–1.8 m, yog li ntawdhyuav tsum muaj txog1.0–1.5 m.
6. Cem Celocity (u₀) ntawm cov lus
Cov dej nrawm sab hauv cov hlab inclined feem ntau zoo ib yam li cov kab rov tav ntws tawm ntawm cov lus qhia meej meej, txog10-20 mm / s.
Thaum coagulation yog siv, qhov particle sib luagu₀yog hais txog0.3-0.6 hli / s.
Cov kev tsim qauv rau cov lamella clubifier yog dab tsi?
Qee cov ntaub ntawv ntawm cov txee - tam sim no thiab co -} Tam sim no Inclined Tube / Phaj Setty
| Chaw ua uas tsis tau haus |
|
Co - tam sim no (qis dua) |
|---|---|---|
| Inclination kaum sab xis ntawm daim hlau / Hlig | 55℃- 60 degree | 30 Degree - 40 Degree |
| Phaj ntev | 0.8 – 1.0 m | Txog 2.5 m |
| Phaj / Tube Spacing | 50 - 150 hli | Txog 35 hli |
| Inlet txaus nrawm | Tsawg dua los yog sib npaug rau 0.02 - 0.05 m / s | Zoo sib xws los yog me ntsis siab dua |
| Hloov Chaw Ntev (raj inlet) | 100 - 200 hli | Zoo ib yam |
| Reynolds tus naj npawb ntawm ntws | Nyob ib ncig ntawm 200 (Laminar Flow) | Tejzaum me ntsis siab dua |
| Particle settling velocity (U₀) |
|
Zoo sib xws los yog me ntsis siab dua |
Kev txiav txim siab tsim rau cov txee - tam sim no (upward Flow) lamella clarier:
Cov dej khiav tawm nyoos yuav tsum tau tswj hwm hauv qab no 1000 NTU (Nephelometric cov pa
Lub chaw thau khoom saum npoo hauv cov raj inclined inclined cheeb tsam tuaj yeem tsim tau ntawm9.0 txog 11.0 m³ / (H · M²).
Tube diam yuav tsum25 txog 35 hli, nrog lub raj ntev ntawm1 m.
Lub inclination kaum sab xis ntawm cov hlab yuav tsum60 degree.
Thaj chaw dej ntshiab tiv thaiv sab saum toj cov hlab uas inclined yuav tsum tsis pub tsawg tshaj li1.5 m
Cov kev txiav txim siab tsim rau co--- tam sim no (qis dua ntws) Lamella Clarier:
Haum rau cov dej nyoos nrog cov dej tsis tu ncua nrog hauv qab200 ntu.
Lub chaw thau khoom saum npoo hauv lub cheeb tsam txhais tau tias yuav tsum txiav txim siab raws cov dej nyoos thiab kev ua haujlwm los ntawm cov ntaub ntawv kev ntsuas ntawm cov dej sib xws; Feem ntau, nws muaj ntau yam los ntawm30 txog 40 ML / (HLA).
Phaj spacing yuav tsum yog35 hli.
Phaj ntev nyob rau hauv lub cheeb tsam sib luag yuav tsum yog2.0 rau 2.5 m, nrog lub phaj ntev nyob rau hauv lub sludge tawm cheeb tsam tsis tsawg tshaj li0.5 m.
Inclination lub kaum sab xis ntawm cov paib hauv cheeb tsam nruab nrab yog40 degree, thiab nyob rau hauv lub sludge tawm cheeb tsam yog60 degree.
Cov teeb meem cuam tshuam thiab cov teeb meem uas ib txwm muaj?
Cov tub Lamella clarier yog tam sim no siv cuab tam tau siv cuab tam sim no rau cov txheej txheem Wastewater. Peb cov pab pawg Henaneco tau txheeb xyuas cov teeb meem uas tau pom zoo hauv lub teb howper, thiab flocging ntawm flocs-, ua rau tsis zoo ntawm effluent zoo. Raws li cov tshuaj xyuas no, peb tau tsim cov kev daws teeb meem los daws cov teeb meem no.
1, qhov xwm txheej cuam tshuam rau kev ua tau zoo ntawm Lamella Clarier:
Lub hauv paus hauv nruab nrab ntawm cov hlab radined tswj Laminar ntws, thaum cov inlet thiab qhov hluav taws xob cuam tshuam los ntawm cov kua dej thiab outflow, ua rau qee qhov kev ntxhov siab.
Cov dej ntws sab hauv lub raj ntsia dav hluav taws xob cuam tshuam yog qhov ruaj khov, uas pab ua kom zoo dua kev ua kom zoo.
Txij li thaum lub sijhawm sib nrug thiab kev sib tham yog luv heev, muaj kev sib cais txaus, yuav tsum muaj ua ntej cov dej nkag mus rau qhov yooj yim.
Stratified ntws ntawm cov dej turbid muaj qhov cuam tshuam tsawg tshaj rau sab nraud kom pom tseeb; Yog li, upward street tsim tsim yog qhov tsim nyog rau lub siab lim dej, thaum nce qib kev tsim qauv zoo dua rau cov dej tsawg heev.
2, ntau dhau effluent turbidity
Kev tsom xam:
Tsis xwm yeem nrog faib tawm ntawm lub inletIter yooj yim ua rau muaj kev kub ntxhov lossis siab inlet velocity nyob ze ntawm cov inlet. Qhov no ua rau hauv zos siab ntws tawm suab velocities, uas tuaj yeem resuspend sludge yav tas los tau nyob ntawm cov hlab inclined.
Zos Luv luv - Flight ") cuam tshuam focs, ua rau yav dhau los tsim flocs kom tawg ua ke me me.
Txhawm rau ua kom tiav kev faib tawm kev faib tawm, cov baffle perforated (paj paj) qhib hauv cov tub Lamella clarier tseem me me. Qhov no feem ntau ua rau muaj kev nce qib siab dua los ntawm kev qhib siab dua rau hauv qab ntawm cov kev faib tawm ntawm cov kev faib tawm hauv qab, yog li ua kom muaj kev nyuaj hauv lub effluent.
Kev daws teeb meem:
Nruab rau cov paib inclined ntawm 60℃lub kaum ntse ntse rau kab rov tav, thiab ntxiv kab ntawm tis daim phiaj hauv qab no txhua daim phaj uas nyob rau hauv 60℃kaum. Ntxiv tis daim hlau tseem ceeb dua cov rov ua dua cov neeg khiav dej, ua kom lub zog nres lub sijhawm thaum lub zog txav mus los, uas nyiam ua kom cov dej ntws.
Tsis tas li ntawd, txoj kev daws teeb meem ntawm cov lus yog luv luv, tau txiaj ntsig kev tso nyiaj ntawm denser hais.
Ua kom ntseeg tau tias muaj kev faib tawm tsis zoo los ntawm kev siv perforated baffles rau dej xa tawm. Kab rov tav ntws nrawm ntawm cov inlet ntawm qhov chaw faib khoom yuav tsum tau tswj hwm ntawm0.010 thiab 0.018 m / s.
Ntxiv kab kab rov tav muaj chaw ua ntej thaj chaw daws teeb meem, yog li cov dej tsis ntws ncaj qha los ntawm qhov hluav taws xob rau hauv cov raj hauv lub raj. Ntu kab rov tav tau ntws (txog ib -}}}}}}} {ntawm tag nrho cov lus sib txawv, thiab ua haujlwm raws li dej ntws ncaj qha. Nws kuj tseem txo cov kev khiav nrawm hauv cov raj inclined, txhim kho sedimentation efficiency thiab nce kev tsim nyog rau kev poob siab. Tsis tas li ntawd, nruab cov khoom taw qhia kev lom zem ntawm cov kab rov tav thiab inclined tub kab rov tav kom nce siab tshaj tawm hauv cov raj thiab ntau ntxiv txhim kho kev ua tau zoo.
3, sludge plogging thiab tsis zoo sludge tso tawm hauv lub clarifier
Kev tsom xam:
Txhua yam sludge tshem tawm hauv Lamella clarier tau yooj yim tsim cov chaw tuag ntawm cov npoo av thiab xaus rau sludge detudge buildup hauv cov chaw no.
Tus tsim qauv ntawm sludge tawm pipes feem ntau tsis txaus lossis tsis raug, uas txuas ntxiv pab txhawb rau kev tsis zoo sludge tshem tawm.
Kev daws teeb meem:
Hloov kho lub tank tsim kom txo qis sludge scraper cov neeg tuag. Siv qhov sludge loj plhaw nrog cov kev sib tsoo tsis siv cov tshuab scraping. Qhov no txo cov kev ntxhov siab hauv zos thiab tsis tshua muaj kev sib tsoo. Qhov loj dua kev cia siab txhim kho sludge swb, kom ua tiav ntau dua sludge tso tawm.
Siv tus qauv tshem tawm rau sludge tshem tawm thiab nce tus naj npawb ntawm sludge kev tawm mus raws ntawm lub tank hauv qab kev tshem tawm kev ua tau zoo.
Hais txog Henaneco Team
Henaneco Dej Tshuaj Kho Mob Pab Tshwj Xeeb Tshwj Xeeb nyob rau hauv kev lag luam pov tseg. Peb muab cov kev pabcuam cuam tshuam nrog cov qauv tsim, khoom lag luam tsim, muag khoom, muag khoom, thiab txhim kho kev daws teeb meem rau cov dej num kev kho dej.
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