Yog tias koj tab tom tsim lub raj xa dej tshiab los yog teeb meem kev ua haujlwm tsis zoo, ob yam yuav txiav txim siab koj cov txiaj ntsig ntau dua li lwm tus:kev faib dej ntawm lub inletthiabsludge tawm los ntawm hauv qab. Tau txais ib qho tsis ncaj ncees lawm thiab qhov tshwm sim yog tam sim no - luv -circuiting, tsis sib haum, kev sib sau cov sludge, thiab effluent zoo uas tsis ua raws li cov qauv tso tawm, tsis hais qhov siab npaum li cas - koj lub raj xov xwm zoo li cas. Cov lus qhia no taug kev los ntawm cov qauv tsim qauv tseem ceeb thiab cov txheej txheem suav rau ob lub tshuab, siv cov qauv tsim qauv tiag tiag los muab cov lej rau hauv kev xyaum.
Vim li cas Tube Settlers xa Exceptional Efficiency
Tube settlers muab ib qho ntawm cov nqi tshaj plaws -txoj kev siv tau los ua kom muaj peev xwm kho tau ntawm cov dej phwj uas twb muaj lawm. Lub hauv paus ntsiab lus tseem ceeb yog qhov yooj yim zoo nkauj: thaj chaw daws teeb meem zoo yog kev ywj pheej ntawm lub tank pem teb cheeb tsam - nws nyob ntawm qhov hloov pauv.tag nrho kab rov tav projected cheeb tsam ntawm inclined tube modules. Qhov no txhais tau tias koj tuaj yeem ua kom muaj peev xwm daws teeb meem ntau yam tsis tau nthuav koj lub tank hneev taw.
Thaum cov hlab raug ntsia ntawm 60-degree lub kaum ntse ntse, txhua lub cubic meter ntawm lub raj ntim muab kwv yees li11-15 m²ntawm thaj chaw daws teeb meem zoo. Qhov no txhais mus txog rau8 mus rau 10 npaug ntawm thaj chaw hauv avntawm lub tank. Qhov chaw nyob deb ntawm txhua lub raj channel tsuas yog ob peb centimeters - piv rau ob peb metres hauv cov lus qhia dav dav - uas txhais tau hais tias cov khoom mus txog qhov sib sau ua ke sai dua.
Qhov tseem ceeb sib npaug yog kev tswj hwm hydraulic hauv cov raj. Cov xwm txheej laminar ntws, nrog Reynolds tus lej feem ntau nyob qis dua 500, tso cai rau cov hydraulic loading tus nqi rau ib chav tsev ntawm thaj chaw daws teeb meem zoo.ho siab dua li cov pa sedimentation. Tab sis qhov txiaj ntsig theoretical no tsuas yog txhais ua tiag tiag -kev ua haujlwm hauv ntiaj teb thaum cov hydraulics raug tsim kho kom zoo - tshwj xeeb, thaum ntws tau faib sib npaug thoob plaws tag nrho lub raj xa hluav taws xob hla - ntu thiab sludge raug tshem tawm tag nrho thiab raws sijhawm.
Kev Tsim Kho Dej Fais Fab - Tau Txais Txoj Cai Flow
Inlet Design Objectives
Lub inlet system rau lub raj xa dej tank ua haujlwm rau ob lub luag haujlwm tseem ceeb uas ncaj qha txiav txim siab tag nrho kev ua tau zoo. Ua ntej, nws yuav tsumdissipate lub zog kineticntawm cov khoom ntws tuaj - yog tias muaj kev kub ntxhov nkag mus rau thaj chaw nyob, nws cuam tshuam cov pam vov sludge, rov- tshem tawm cov khoom, thiab ua rau txhua yam cov raj tsim los ua kom tiav. Qhov thib ob, nws yuav tsum faib cov dej ntws kom sib npaug li qhov ua tau hla tag nrho tus ntoo khaub lig- ntu ntu ntawm lub raj modules. Kev faib tawm tsis sib xws ua rau thaj chaw siab - thaj chaw nrawm uas nqa cov khib nyiab los ntawm cov hlab ua ntej lawv tuaj yeem nyob.
Common inlet configurations siv hauv kev xyaum suav nrog:perforated baffle phab ntsanrog rau qhov chaw tsis tu ncua (qhov kev siv dav tshaj plaws thiab kev ntseeg siab tshaj plaws rau cov tso tsheb hlau luam), submerged inlet kav nrog ntau qhov chaw nres nkoj, hauv qab - nkag nkag laterals nrog upward-faus ports, thiab inlet channels nrog V-notch weirs. Qhov kev xaiv nyob ntawm lub tank geometry, ntws tus nqi, thiab qhov chaw txwv, tab sis cov phab ntsa perforated baffle yog qhov pib pib rau feem ntau cov qauv hauv nroog.
Key Tsim Parameters
Ib qho tseem ceeb tshaj plaws hydraulic metric rau tube settler inlets yog lubmus kom ze- nce siab tshaj tawm raws li dej nkag mus rau hauv qab lub ntsej muag ntawm lub raj modules. Rau feem ntau cov ntawv thov hauv nroog kho cov dej saum npoo av lossis cov dej ntws thib ob, mus txog qhov nrawm ntawm5-15mm / sxa cov kev ua tau zoo tshaj plaws. Kev nrawm qis dua 5 mm / s muaj kev pheej hmoo ua rau cov sludge los nyob hauv thaj chaw faib khoom nws tus kheej, tsim cov chaw tuag uas txo cov ntim tau zoo. Qhov siab tshaj 20 mm / s muaj kev pheej hmoo cuam tshuam cov sludge daim pam thiab nqa floc hais mus rau hauv cov raj xa dej ua ntej lawv tuaj yeem daws tau.
Baffle Design for Energy Dissipation
Ib phab ntsa baffle tso0.8 mus rau 1.5mlos ntawm phab ntsa inlet, nrog cov qhov sib npaug sib npaug (feem ntau50 mus rau 100 mm diamntawm200 mus rau 400 mm nrug), muab cov khoom siv hluav taws xob muaj txiaj ntsig zoo rau feem ntau lub tso tsheb hlau luam. Qhov tsim qhov tshaj tawm yuav tsum tsom0.15-0.25m / sntawm qhov nruab nrab txhua hnub ntws - nrawm txaus los tiv thaiv kev nyob hauv lub qhov, qeeb txaus kom tsis txhob ya dav hlau. Qhov chaw qhib tag nrho ntawm txhua qhov sib xyaw ua ke yuav tsum yog15 mus rau 25%ntawm thaj tsam baffle phab ntsa. Ib qho tseem ceeb nthuav dav uas feem ntau tsis saib xyuas: muab a200-300mm qhov sib txawvnyob rau hauv qab ntawm lub baffle rau sludge hla dhau. Yog tsis muaj qhov sib txawv no, sludge accumulates tom qab lub baffle, txo cov active ntim thiab nws thiaj li tsim anaerobic tej yam kev mob.
Distribution Uniformity Requirements
Lub qhov dej zoo -tsim inlet system yuav tsum ua kom muaj qhov sib npaug ntawm qhov tsawg kawg nkaus85 txog 90%, txhais tau tias tus nqi ntws ntawm ib cheeb tsam sib txawv los ntawm tsawg dua 10 mus rau 15% los ntawm qhov nruab nrab ntawm lub tank hla -section. Qhov feem ntau ua rau cov khoom tsis zoo muaj xws li: qhov nkag tau muab tso rau ze ze rau lub raj modules (tsawg dua 0.5 m clearance), tsis txaus baffle qhib cheeb tsam (hauv qab 10% ntawm phab ntsa), thiab asymmetric tank geometry uas tsis suav rau hauv ib qho chaw nres nkoj sizing. Rectangular tso tsheb hlau luam nrog ib sab inlet yog tshwj xeeb tshaj yog yooj yim mus rau tom kawg - cov chaw nres nkoj ze tshaj plaws rau lub inlet tau txais cov dej tsis sib npaug ntau dua tshwj tsis yog ib tus zuj zus.
| Parameter | Pom zoo tus nqi | Cov lus pom |
| Mus cuag qhov nrawm | 5-15 hli / s | Lower rau lub teeb flocs; siab dua rau ntom tshuaj flocs |
| Baffle qhov tshaj tawm | 0.15-0.25 m/s | Nyob nruab nrab txhua hnub ntws |
| Baffle qhib cheeb tsam piv | 15-25% | Ntawm tag nrho cov phab ntsa baffle |
| Qhov deb ntawm qhov nkag mus rau cov raj | Min 0.8 m | 1.2-1.5 m nyiam rau cov tso tsheb hlau luam loj |
| Flow faib uniformity | Tsawg tshaj 85% | Lub hom phiaj siab dua 90% rau kev tsim tshiab |
Sludge Discharge Design - Tsis txhob cia cov khoom sib sau
Vim li cas Sludge Discharge Matters
Kev tshem tawm cov sludge zoo los ntawm lub raj xa dej tank yog ib qho tseem ceeb raws li cov khoom xa tawm kom raug - thiab nws yog qhov sib cav ntau dua ntawm ob. Thaum cov sludge accumulates unchecked, nws ua rau ib tug cascade ntawm cov teeb meem: qhov kev daws teeb meem zoo ntim shrinks, anaerobic zones tsim thiab tsim gases uas yuav ua rau.sludge flotation(txhais tau cov khib nyiab rov qab rau hauv kev ncua), thiab yog tias daim pam sludge nce siab txaus, nws tuaj yeem ua rau lub cev txhaws qhov qis qis ntawm lub raj modules. Thaum qhov ntawd tshwm sim, qhov kho tsuas yog tso lub tank thiab ntxuav phau ntawv - tus txheej txheem kim thiab cuam tshuam. Ib qhov dej-tsim sludge sau thiab tso tawm yuav tsum tshem tawm cov khib nyiab tsis tu ncua los yog nquag, luv luv.
Sludge Hopper Geometry
Feem ntau cov raj xa dej tso tsheb hlau luam siv ib qho ntawm ob qho kev sib sau ua ke. Thawj sivntau conical los yog pyramidal hoppers, feem ntau 1.0 mus rau 1.5 m sib sib zog nqus nrog sab slopes tsawg kawg yog 60 degrees - lub kaum sab xis no yog qhov tseem ceeb los xyuas kom meej cov sludge slides ntseeg tau rau hauv qab hopper es tsis ua raws li cov phab ntsa. Qhov thib ob configuration siv aca los yog maj mam sloped hauv qab nrog ib tug neeg kho tshuab sludge scraperthiab ib tug central collection trough. Rau hopper - hauv qab tso tsheb hlau luam, kab rov tav sludge yuav tsum taug kev raws hauv pem teb kom ncav cuag lub hopper yuav tsum tau txo qis - qhov zoo tshaj plaws tsawg dua3 rau 4m. Kev mus ncig ntev dua tso cai rau cov khib nyiab kom compact thiab ua raws li hauv pem teb, defeating lub hom phiaj ntawm hopper tsim.
Qhov kev xaiv ntawm kev teeb tsa nyob ntawm lub tank zoo: lub tso tsheb hlau luam ncig feem ntau siv lub tshuab hluav taws xob sib hloov nrog cov khoom siv hluav taws xob peripheral sludge sau, cov tso tsheb hlau luam duab plaub siv ntau lub hoppers spaced raws qhov ntev los yog ib qho kev mus ncig ntawm tus choj scraper. Qhov ntau-hopper mus kom ze yog ntau dua rau cov tso tsheb hlau luam me me vim nws tsis muaj qhov txav thiab yuav tsum tau saib xyuas tsawg dua.
Sludge Discharge Valves thiab Piping
Sludge paug piping yuav tsum muaj qhov tsawg kawg nkaus txoj kab uas hla150 hlitiv thaiv clogging. Txoj kab nqes yeeb nkab yuav tsum yog tsawg kawg2% mus rau qhov chaw tso tawm. Hom valve yog qhov tseem ceeb heev: siv ib txwm sivpuv -bore valvesxws li rooj vag, ntsaws, lossis pinch li qub. Tsis txhob siv lub ntiaj teb los yog npauj npaim li qub hauv cov kev pabcuam sludge - lawv tsim cov kev txwv tsis pub nkag sab hauv uas ntxiab cov khib nyiab thiab txhaws yooj yim. Tsis siv neeg li qub (pneumatic lossis hluav taws xob) nrog timer - tswj kev sib cuam tshuam tawm yog pom zoo tshaj li phau ntawv li qub. Los ntawm txhais tes sludge tshem tawm nyob ntawm tus neeg teb xov tooj mob siab rau, uas txawv ntawm kev hloov mus rau kev ua haujlwm, thiab kev tso tawm tsis sib xws yog ib qho ua rau muaj teeb meem sludge tsub zuj zuj.
Cov txheej txheem kev khiav hauj lwm rau cov txiaj ntsig sib xws
Sludge tso tawm raws li alub sijhawm teem sijhawm tsis tu ncuaes tsis yog phau ntawv txiav txim tsis tu ncua ua qhov txiaj ntsig zoo tshaj plaws. Pib nrog luv luv, nquag tso tawm ib ntus - piv txwv li,15 mus rau 30 vib nas this txhua 15 mus rau 30 feeb- thiab kho raws li ntsuas sludge concentration. Target ib sludge concentration ntawm1-3% yog 'nyob rau hauv lub kwj deg; Cov concentrations qis dua 1% qhia tias koj tau nkim dej ntau dhau (qhib li qub dhau los lossis ntev dhau), thaum cov concentrations siab dua 3% qhia tias tsis txaus tso tawm ntau zaus.
Saib xyuas cov sludge daim pam theem txhua hnub uas siv lub tshuab sludge blanket detector. Lub hom phiaj daim pam theem yuav tsum yog0.3 mus rau 0.5 m hauv qab ntawm lub raj modules. Yog tias daim pam nce ze dua 0.3 m, nce qhov tso tawm ntau zaus lossis ncua sijhawm. Yog hais tias nws poob qis dua 0.5 m thiab tso tawm concentration tsawg, koj yuav nkim dej kho yam tsis tsim nyog.
Piv txwv ua haujlwm - 10,000 m³/d Tube Settler Tank
Txhawm rau muab cov qauv tsim rau hauv kev xyaum, ntawm no yog ib qho piv txwv ua tiav rau kev kho cov kav dej hauv lub tank10,000 m³/dntawm municipal wastewater.
Tsim cov ntaub ntawv nkag
| Parameter | Tus nqi |
| Tsim kev khiav | 10,000 m³/d = 417 m³/h |
| Tank qhov ntev (L x W x D) | Luas 12 m x 6 m x 4.5 m |
| Tube module installation | 60℃kaum sab xis, nyob rau sab sauv 2.5 m ntawm qhov tob |
| Tube settler npaj cheeb tsam | Luas 10 m x 5 m=50 m² (1 m clearance at each end) |
Inlet Design Calculations
Txoj kev tshaj tawm yog xam raws li tus nqi ntws muab faib los ntawm lub raj xa dej hauv cheeb tsam: 417 m³ / h muab faib los ntawm (10 mx 5 m) sib npaug8.34 m / h, los yog kwv yees li 2.3 mm / s. Qhov no ntog zoo nyob rau hauv qhov kev pom zoo ntawm 5 mus rau 15 mm / s, txawm tias me ntsis ntawm qis kawg - txhais tau tias muaj chaw ntxiv rau yav tom ntej yog tias xav tau.
Rau phab ntsa baffle: phab ntsa yog 6 m dav x 4.5 m tob =27 m². Nyob rau ntawm 20% qhib cheeb tsam piv, qhov yuav tsum tau qhib cheeb tsam yog5.4 m². Siv 75 hli txoj kab uas hla qhov (txhua lub qhov cheeb tsam=0.0044 m²), qhov yuav tsum tau tus naj npawb ntawm qhov yog 5.4 muab faib los ntawm 0.0044, uas sib npaug li kwv yees li1,220 qhov. Muab faib rau thaj tsam 6 mx 4.5 m, qhov no muab roughly150 mm x 150 mm nrugnruab nrab ntawm qhov.
Lub qhov tshaj tawm ntawm qhov nruab nrab ntws yog 0.116 m³ / s muab faib los ntawm 5.4 m² =0.021 m / s (kwv yees 0.02 m / s). Qhov no yog qhov tseem ceeb hauv qab qhov kev pom zoo 0.15 m / s lub hom phiaj, uas txhais tau hais tias lub qhov tau loj dua rau qhov txaus txaus. Txhawm rau kho qhov no, txiav txim siab txo cov naj npawb ntawm qhov (kwv yees li 170 qhov, uas yuav muab qhov nrawm ze rau 0.15 m / s) lossis txo lub qhov taub kom nrawm dua thaum tswj kev faib tawm.
Sludge Hopper Design
Muabplaub hoppers raws lub tank ntev- ib qho txhua 3 meters - txhua1.2 m tob nrog 60-degree sab slopeskom ntseeg tau tias sludge zawv zawg. Txhua lub hopper yuav tsum tau nruab nrog a150 hli pneumatic actuated plug valventawm timer tswj. Qhov kev pom zoo ua haujlwm ua ntu zus yog kev tso tawm tsis tu ncua20 vib nas this txhua 20 feeb, rotating los ntawm hoppers sequentially kom tsuas yog ib tug hopper tawm ntawm lub sij hawm. Qhov no tiv thaiv hydraulic poob siab rau lub kaw lus thaum tswj kom zoo ib yam sludge tshem tawm.
| Tsim Element | Xam tus nqi | xwm txheej |
| Mus cuag qhov nrawm | 2.3 hli / s | Tsis pub dhau 5-15 mm / s |
| Baffle phab ntsa | 27 m² | Tsim lub hauv paus |
| Qhib cheeb tsam (20% piv) | 5.4 m² | Hauv 15-25% lub hom phiaj |
| Qhov suav (75mm dia.) | 1,220 qhov | ~ 150 mm nrug |
| Qhov ceev | 0.021 m/s | Hauv qab 0.15 m / s phiaj; kho qhov suav |
| Sludge hoppers | 4 units, 1.2 m tob | 60℃sab slopes |
Xaus
Kev faib dej thiab cov sludge tso tawm yog ob qho kev pom zoo tshaj plaws ntawm kev tsim cov raj xa hluav taws xob - thiab lawv kuj yog ib qho ntawm feem ntau ua rau kev ua haujlwm tsis zoo hauv thaj chaw. Cov qauv tsim qauv tseem ceeb yog ncaj nraim thiab zoo-tsim: faib ntws sib npaug thoob plaws lub raj xa dej hla-section, phiaj xwm nrawm nrawm ntawm 5 txog 15 mm / s, muab 15 mus rau 25% baffle qhib cheeb tsam rau lub zog dissipation, tshem tawm cov sludge ntawm lub sijhawm teem sijhawm uas siv tau tag nrho cov kav dej bore 2%. Txheeb xyuas qhov ua tau zoo los ntawm kev niaj hnub sludge daim pam saib xyuas qib - qhov zoo tshaj plaws khaws daim pam 0.3 txog 0.5 m hauv qab lub raj module inlets. Cov nroj tsuag uas nqis peev rau kev tsim kho vaj tse kom tau txais cov peev txheej no yuav pom cov txiaj ntsig tag nrho ntawm lawv cov peev txheej hauv lub raj: muaj peev xwm kho tau ntau dua yam tsis muaj kev nthuav dav hneev taw, zoo dua cov dej ntws zoo uas ua tau raws li cov qauv kev tso tawm nruj, thiab kev ua haujlwm tsawg dua.
Tau txais kev pab txhawb rau koj Tube Settler Project
Los ntawm inlet baffle sizing rau sludge hopper layout, peb pab neeg ua haujlwm engineering tuaj yeem pab koj tsim lub raj xa hluav taws xob uas xa cov kev ua tau zoo los ntawm hnub ib. Tshawb xyuas peb cov PVC tube settler media thiab thov kev qhia tshwj xeeb.