Lub ntsiab lus ntawm kev pom, nyob rau hauv cov txheej txheem ntawm kev kho dej, pom feem ntau yog hais txog cov txheej txheem ntawm kev khaws cov impurities nyob rau hauv cov dej nrog lub lim cov ntaub ntawv txheej xws li quartz xuab zeb thiab anthracite, thiaj li hais tias cov dej yuav tsum tau clarified.Cov ntaub ntawv ntxeem tau siv rau kev pom yog hu ua lim xov xwm, thiab quartz xuab zeb yog cov lim xov xwm tshaj plaws.Cov khoom siv lim yog granular, powdery thiab fibrous.Cov khoom siv lim dej feem ntau yog quartz xuab zeb, anthracite, activated carbon, magnetite, garnet, ceramics, pob yas, thiab lwm yam.
Multi-media filter (filter bed) yog lub lim nruab nrab uas siv ob lossis ntau tshaj tawm raws li lim txheej.Nyob rau hauv kev lag luam circulating dej kho system, nws yog siv los tshem tawm impurities nyob rau hauv dej phwj tuaj, adsorb roj, thiab lwm yam, kom cov dej zoo raws li cov kev cai ntawm recycling..Kev ua haujlwm ntawm kev pom yog tsuas yog tshem tawm los yog colloidal impurities hauv dej, tshwj xeeb tshaj yog kom tshem tawm cov khoom me me thiab cov kab mob uas tsis tuaj yeem raug tshem tawm los ntawm nag lossis daus technology.BODs thiab COD kuj muaj qee qhov kev tshem tawm cov nyhuv.
Cov kev ua tau zoo tsis muaj nyob rau hauv cov lus hauv qab no:
lim muaj pes tsawg leeg
Multimedia lim yog tsim los ntawm lim lub cev, txhawb cov kav dej thiab valve.
Lub cev lim feem ntau suav nrog cov khoom hauv qab no: Simplified;cov khoom faib dej;txhawb cov khoom;rov qab ntxuav cov yeeb nkab;lim khoom;
Lim xaiv lub hauv paus
(1) Nws yuav tsum muaj lub zog txhua yam txaus kom tsis txhob hnav thiab tsim kua muag thaum rov qab ntxuav;
(2) Cov tshuaj lom neeg ruaj khov zoo dua;
(3) Tsis muaj cov tshuaj phem thiab tshuaj lom rau tib neeg noj qab haus huv, thiab tsis muaj cov tshuaj uas tsim kev puas tsuaj rau kev tsim khoom thiab cuam tshuam rau kev tsim khoom;
(4) Kev xaiv cov khoom siv lim dej yuav tsum sim siv cov khoom siv lim dej uas muaj peev xwm adsorption loj, muaj peev xwm cuam tshuam kev ua qias tuaj, dej ntau lawm thiab zoo effluent zoo.
Hauv cov khoom siv lim, pebbles tsuas yog ua lub luag haujlwm txhawb nqa.Thaum lub sij hawm pom cov txheej txheem, vim nws lub zog siab, ruaj khov qhov sib txawv ntawm ib leeg, thiab cov pores loj, nws yog qhov yooj yim rau cov dej kom dhau los ntawm cov dej lim dej zoo hauv cov txheej txheem ntxuav zoo.Ib yam li ntawd, backwashing Thaum lub sij hawm tus txheej txheem, backwash dej thiab backwash huab cua yuav dhau mus smoothly.Nyob rau hauv cov pa configuration, pebbles muab faib ua plaub specifications, thiab paving txoj kev yog los ntawm lub hauv qab mus rau sab saum toj, thawj loj thiab ces me me.
Kev sib raug zoo ntawm qhov loj me ntawm cov khoom siv lim thiab qhov siab filling
Qhov piv ntawm qhov siab ntawm lub txaj lim mus rau qhov nruab nrab particle loj ntawm cov khoom lim yog 800 rau 1 000 (tsim specification).Qhov luaj li cas ntawm cov khoom lim yog cuam tshuam nrog qhov tseeb ntawm qhov pom.
Multimedia lim
Cov ntxaij lim dej ntau yam siv hauv kev kho dej, cov khoom siv yog: anthracite-quartz xuab zeb-magnetite lim, activated carbon-quartz xuab zeb-magnetite lim, activated carbon-quartz xuab zeb lim, quartz xuab zeb-ceramic lim tos.
Lub ntsiab tseem ceeb uas yuav tsum tau xav txog hauv kev tsim cov txheej lim dej ntawm cov lim dej ntau yam yog:
1. Cov ntaub ntawv lim dej sib txawv muaj qhov sib txawv loj los xyuas kom meej tias qhov tshwm sim ntawm cov txheej txheem sib xyaw yuav tsis tshwm sim tom qab kev cuam tshuam rov qab.
2. Xaiv cov khoom lim raws li lub hom phiaj ntawm kev tsim dej.
3. Qhov loj me me yuav tsum muaj qhov loj me ntawm cov khoom lim qis me dua li qhov loj me ntawm cov khoom siv lim sab saud kom ntseeg tau tias kev ua tau zoo thiab kev siv tag nrho ntawm cov khoom lim qis.
Qhov tseeb, noj peb-txheej lim txaj ua piv txwv, cov txheej txheej sab saud ntawm cov khoom siv lim dej muaj qhov loj tshaj plaws ntawm cov khoom siv lim dej thiab yog tsim los ntawm cov khoom siv lim dej uas tsis muaj qhov ntom ntom, xws li anthracite thiab activated carbon;nruab nrab txheej ntawm cov khoom lim dej muaj qhov nruab nrab particle loj thiab nruab nrab ntom ntom, feem ntau muaj li ntawm quartz xuab zeb;Cov khoom siv lim dej muaj cov khoom siv lim hnyav nrog cov khoom me me thiab qhov loj tshaj plaws, xws li magnetite.Vim tias qhov kev txwv ntawm kev siv ceev, cov lim cov khoom siv ntawm peb-txheej xov xwm lim yog qhov ruaj.Cov khoom siv lim sab saud plays lub luag haujlwm ntawm ntxhib pom, thiab cov khoom siv lim qis qis ua lub luag haujlwm ntawm kev pom zoo, yog li lub luag haujlwm ntawm cov ntaub ntawv lim dej ntau lub txaj tau ua tiav, thiab qhov zoo ntawm cov effluent yog pom tseeb zoo dua qhov ntawd. ntawm ib txheej txheej lim khoom lim txaj.Rau cov dej haus, kev siv anthracite, resin thiab lwm yam lim xov xwm feem ntau txwv.
Quartz xuab zeb lim
Lub quartz xuab zeb lim yog lub lim uas siv quartz xuab zeb ua cov khoom siv lim.Nws tuaj yeem tshem tawm cov khib nyiab pov tseg hauv dej, thiab muaj peev xwm tshem tawm cov teebmeem ntawm colloids, hlau, organic teeb meem, tshuaj tua kab, manganese, kab mob, kab mob thiab lwm yam kuab paug hauv dej.
Nws muaj qhov zoo ntawm qhov pom me me, qhov loj ntawm qhov chaw, muaj zog acid thiab alkali tsis kam, oxidation tsis kam, PH daim ntawv thov ntau yam ntawm 2-13, muaj kuab paug zoo, thiab lwm yam. cov khoom siv thiab lim Cov qauv tsim ntawm lub lim paub txog kev ua haujlwm ntawm tus kheej ntawm lub lim, thiab cov khoom siv lim tau muaj zog adaptability rau cov concentration ntawm cov dej nyoos, kev ua haujlwm, kev kho ua ntej, thiab lwm yam. Nyob rau hauv ntau yam kev khiav hauj lwm, cov dej zoo. ntawm cov effluent yog guaranteed, thiab cov khoom lim yog tag nrho dispersed thaum lub sij hawm rov qab ntxuav, thiab cov nyhuv tu yog zoo.
Cov xuab zeb lim muaj qhov zoo ntawm kev pom ceev ceev, siab pom tseeb, thiab muaj peev xwm cuam tshuam loj.Siv dav hauv hluav taws xob, hluav taws xob, dej haus, dej kais dej, roj av, tshuaj lom neeg kev lag luam, metallurgy, textile, papermaking, khoom noj khoom haus, pas dej da dej, municipal engineering thiab lwm yam txheej txheem dej, dej hauv tsev, recycled water thiab wastewater pretreatment fields.
Lub quartz xuab zeb lim muaj cov yam ntxwv ntawm cov qauv yooj yim, tsis siv neeg tswj kev ua haujlwm, kev ua haujlwm loj, lub sijhawm rov qab tsawg dua, pom kev ua haujlwm siab, tsis muaj zog, thiab kev ua haujlwm yooj yim thiab kev saib xyuas.
Activated carbon lim
Cov khoom siv lim dej yog activated carbon, uas yog siv los tshem tawm cov xim, tsw, residual chlorine thiab organic teeb meem.Nws lub ntsiab hom ntawm kev ua yog adsorption.Activated carbon yog ib qho adsorbent.
Activated carbon lim yog dav siv nyob rau hauv pretreatment ntawm domestic dej thiab dej nyob rau hauv cov zaub mov kev lag luam, tshuaj lom neeg kev lag luam, hluav taws xob fais fab thiab lwm yam lag luam.Vim tias cov pa roj carbon activated muaj cov qauv tsim cov pore zoo thiab cov cheeb tsam loj loj, nws muaj peev xwm adsorption muaj zog rau cov organic sib txuas hauv dej, xws li benzene, phenolic tebchaw, thiab lwm yam. Cov kab mob xws li chroma, odors, surfactants, hluavtaws detergents thiab lwm yam. dyes raug tshem tawm zoo.Kev tshem tawm cov ntshav ntawm cov pa roj carbon monoxide rau Ag^+, Cd^2+ thiab CrO4^2- hauv dej yog tshaj 85%.[3] Tom qab dhau los ntawm cov pa roj carbon lim dej, cov khib nyiab tshem tawm hauv dej tsawg dua 0.1mg / L, COD tshem tawm tus nqi feem ntau yog 40% ~ 50%, thiab cov chlorine dawb yog tsawg dua 0.1mg / L.
Rov qab txheej txheem
Qhov rov qab ntxuav ntawm lub lim feem ntau yog hais txog tias tom qab lub lim siv rau ib lub sijhawm, cov khoom lim txheej khaws cia thiab nqus tau qee yam ntawm sundries thiab stains, uas txo qhov zoo ntawm cov effluent ntawm lub lim.Cov dej tsis zoo deteriorates, lub siab sib txawv ntawm cov inlet thiab qhov hluav taws xob cov kav dej nce, thiab nyob rau tib lub sij hawm, tus nqi ntws ntawm ib lub lim dej txo.
Lub hauv paus ntsiab lus ntawm backwashing: cov dej ntws thim rov qab los ntawm cov khoom lim txheej, kom cov txheej lim nthuav dav thiab tshem tawm, thiab cov txheej txheem lim tau raug ntxuav los ntawm cov shear quab yuam ntawm cov dej ntws thiab kev sib tsoo kev sib txhuam ntawm cov khoom, yog li tias cov av hauv txheej lim tau sib cais thiab tawm nrog cov dej rov qab.
Qhov xav tau rov qab ntxuav
(1) Thaum lub sij hawm lim cov txheej txheem, cov khib nyiab tshem tawm hauv cov dej nyoos yog khaws cia thiab adsorbed los ntawm cov khoom lim txheej thiab txuas ntxiv mus rau hauv cov txheej txheem lim, yog li lub qhov hws ntawm cov txheej lim tau maj mam thaiv los ntawm cov av, thiab lub ncuav mog qab zib lim. yog tsim rau saum npoo ntawm txheej lim, lim dej taub hau.Losses txuas ntxiv mus.Thaum muaj qee qhov kev txwv, cov khoom siv lim yuav tsum tau muab ntxuav kom huv, kom cov txheej lim tuaj yeem rov ua haujlwm tau zoo thiab ua haujlwm ntxiv.
(2) Vim tias qhov nce ntawm cov dej poob thaum lub sij hawm pom, lub zog shear ntawm cov dej ntws ntawm cov av adsorbed rau ntawm qhov chaw ntawm cov khoom lim tau loj dua, thiab qee qhov ntawm cov khoom txav mus rau cov khoom lim qis hauv qhov cuam tshuam ntawm cov dej ntws, uas thaum kawg yuav ua rau cov teeb meem tshem tawm hauv dej.Raws li cov ntsiab lus tseem nce ntxiv, cov dej zoo deteriorates.Thaum impurities nkag mus rau txheej lim, lub lim poob nws cov nyhuv lim.Yog li ntawd, rau ib qho twg, cov khoom siv lim yuav tsum tau muab ntxuav kom rov ua kom cov av tuav lub peev xwm ntawm cov khoom lim txheej.
(3) Cov teeb meem tshem tawm hauv cov dej phwj tuaj muaj ntau cov organic teeb meem.Kev khaws cia ntev ntev hauv cov txheej lim dej yuav ua rau kom muaj txiaj ntsig zoo thiab rov ua dua ntawm cov kab mob thiab cov kab mob hauv cov txheej lim dej, ua rau muaj kev noj qab haus huv anaerobic.Cov khoom lim yuav tsum tau ntxuav tsis tu ncua.
Backwash parameter tswj thiab txiav txim siab
(1) Qhov siab qhov o: Thaum lub sij hawm rov qab ntxuav, txhawm rau kom ntseeg tau tias cov khoom siv lim dej muaj qhov khoob txaus kom cov av tuaj yeem tawm sai sai ntawm cov lim txheej nrog dej, qhov nthuav dav ntawm cov txheej lim yuav tsum loj dua.Txawm li cas los xij, thaum qhov kev nthuav dav loj dhau lawm, cov khoom siv lim dej hauv ib chav tsev yuav txo qis, thiab lub caij nyoog ntawm kev sib tsoo particle kuj txo, yog li nws tsis zoo rau kev tu.Ob txheej txheej lim khoom, nthuav dav yog 40% -50%.Nco tseg: Thaum lub sijhawm ua haujlwm ntau lawm, qhov ntsuas qhov siab thiab qhov siab nthuav dav ntawm cov khoom siv lim tau raug kuaj xyuas, vim tias thaum lub sijhawm ua haujlwm rov qab zoo li qub, yuav muaj qee qhov poob lossis hnav ntawm cov khoom lim, uas yuav tsum tau rov ua dua.Cov txheej lim dej ruaj khov muaj cov txiaj ntsig zoo hauv qab no: ua kom muaj kev ruaj ntseg ntawm cov dej lim dej zoo thiab cov txiaj ntsig ntawm rov qab ntxuav.
(2) Ntau thiab siab ntawm cov dej rov qab: Hauv kev tsim qauv, lub zog ntawm cov dej rov qab yog 40 m3 / (m2•h), thiab lub siab ntawm cov dej rov qab yog ≤0.15 MPa.
(3) Backwash cua ntim thiab siab: lub zog ntawm cov cua rov qab yog 15 m / (m •h), thiab lub siab ntawm cov cua rov qab yog ≤0.15 MPa.Lus Cim: Thaum lub sij hawm rov qab ntxuav cov txheej txheem, cov cua rov qab los yog sau rau saum lub lim, thiab feem ntau ntawm nws yuav tsum tau tso tawm los ntawm ob lub qhov tso pa tawm valve.hauv kev tsim khoom txhua hnub.Nws yog ib qho tsim nyog los xyuas qhov patency ntawm cov pa tawm valve nquag, uas yog qhov tshwj xeeb ntawm kev ywj pheej ntawm lub pob valve nce thiab nqis.
Gas-dej ua ke rov qab ntxuav
(1) Yaug nrog huab cua ua ntej, tom qab ntawd rov qab ntxuav nrog dej: ua ntej, txo cov dej ntawm cov lim mus rau 100 mm saum npoo ntawm cov txheej lim, cia hauv huab cua rau ob peb feeb, thiab tom qab ntawd rov qab ntxuav nrog dej.Nws yog qhov tsim nyog rau cov ntxaij lim dej uas muaj qhov hnyav ntawm qhov chaw paug thiab lub teeb sab hauv.
Lus Cim: Lub valve sib thooj yuav tsum raug kaw hauv qhov chaw;txwv tsis pub, thaum cov dej qis qis hauv qab ntawm cov txheej lim dej, qhov saum npoo ntawm cov txheej lim dej yuav tsis nkag mus rau hauv dej.Thaum lub sij hawm nce thiab nqis cuam tshuam ntawm cov khoom, cov av tsis tuaj yeem tawm tau zoo, tab sis yuav nkag mus tob rau hauv cov txheej lim dej.txav.
(2) Kev sib xyaw ua ke ntawm huab cua thiab dej rov qab: Cov huab cua thiab dej rov qab tau muab ib txhij los ntawm qhov qis ntawm cov txheej lim dej zoo li qub.Cov huab cua tsim cov npuas loj hauv cov xuab zeb txheej thaum lub sijhawm nce, thiab hloov mus ua npuas me me thaum ntsib cov khoom lim.Nws muaj cov nyhuv txhuam ntawm qhov chaw ntawm cov khoom lim;backwashing cov dej saum toj kawg nkaus loosens lub lim txheej, kom cov khoom lim yog nyob rau hauv ib qho kev ncua lub xeev, uas yog zoo rau cov huab cua scrubbing cov khoom lim.Kev nthuav dav ntawm cov dej rov qab ntxuav thiab cov pa rov qab yog sib xyaw ua ke, uas muaj zog dua thaum lawv ua ib leeg.
Lus Cim: Lub siab ntawm cov dej rov qab yog qhov sib txawv ntawm lub zog rov qab thiab qhov siv ntawm huab cua.Kev ceev faj yuav tsum tau them rau qhov kev txiav txim kom tiv thaiv cov dej rov qab los ntawm kev nkag mus rau hauv lub raj xa dej.
(3) Tom qab cov huab cua-dej sib xyaw ua ke rov qab ua tiav tiav, tso tseg kom tsis txhob nkag mus rau hauv huab cua, ua kom cov dej ntws rov qab zoo ib yam, thiab txuas ntxiv mus rau 3 min mus rau 5 min, cov cua npuas sab laug hauv lub txaj lim tuaj yeem tshem tawm.
Lus Cim: Koj tuaj yeem xyuam xim rau cov xwm txheej ntawm ob lub qhov tso pa tawm ntawm qhov saum toj.
Kev txheeb xyuas qhov ua rau lim cov khoom tawv tawv
(1) Yog tias cov av uas nyob rau saum npoo ntawm cov txheej lim dej tsis tuaj yeem raug tshem tawm tau zoo nyob rau hauv ib lub sijhawm, hauv cov txheej txheem rov qab tom qab, yog tias qhov kev faib tawm ntawm cov cua rov qab tsis zoo, qhov kev nthuav dav yuav tsis sib npaug.Kev txhuam ntawm lub tshuab ntxhua khaub ncaws, qhov twg lub sijhawm rub tawm me me, cov impurities xws li cov roj stains ntawm cov khoom lim dej tsis tuaj yeem raug tshem tawm zoo.Tom qab lub voj voog lim dej ib txwm siv tom ntej yog muab tso rau hauv kev siv, lub hauv paus load nce, cov impurities yuav tog los ntawm qhov chaw mus rau sab hauv, thiab cov pellets yuav maj mam nce.loj, thiab nyob rau tib lub sij hawm txuas mus rau qhov tob tob ntawm lub lim kom txog thaum tag nrho cov lim tsis ua haujlwm.
Lus Cim: Hauv kev ua haujlwm tiag tiag, qhov tshwm sim ntawm cov huab cua tsis sib xws feem ntau tshwm sim, feem ntau yog vim qhov perforation ntawm cov cua hauv qab cov yeeb nkab, qhov thaiv los yog kev puas tsuaj ntawm lub hauv paus lim cap, los yog deformation ntawm daim phiaj kab sib nrug.
(2) Cov khoom siv lim dej ntawm cov txheej lim dej yog me me, muaj qee qhov kev sib tsoo ntawm ib leeg thaum rov qab ntxuav, thiab lub zog me me, yog li nws tsis yooj yim los ntxuav.Cov xuab zeb uas txuas nrog yog ib qho yooj yim los tsim cov av nkos me me.Thaum cov txheej lim tau rov ua dua tom qab rov qab ntxuav, cov av nkos nkag mus rau hauv qab txheej ntawm cov khoom lim thiab txav mus rau qhov tob thaum cov av nkos loj tuaj.
(3) Cov roj uas muaj nyob rau hauv cov dej nyoos yog daig hauv lub lim.Tom qab rov qab ntxuav thiab cov seem seem, nws accumulates nyob rau lub sij hawm, uas yog lub ntsiab tseem ceeb ua rau lub hardening ntawm cov khoom lim.Thaum ua kom rov qab ntxuav tau tuaj yeem txiav txim siab raws li cov dej zoo ntawm cov dej nyoos thiab cov kev xav tau ntawm cov effluent zoo, siv cov txheej txheem xws li kev poob taub hau, effluent zoo lossis lub sij hawm pom.
Kev ceev faj rau kev ua lim dej thiab cov txheej txheem lees txais
(1) Qhov kev sib npaug sib npaug ntawm qhov hluav taws xob dej thiab lub phaj lim yuav tsum tsis pub ntau tshaj 2 hli.
(2) Qib thiab qhov tsis sib xws ntawm cov phaj lim yog ob qho tib si tsawg dua ± 1.5 hli.Cov qauv ntawm cov phaj lim txais kev ua haujlwm zoo tshaj plaws.Thaum txoj kab uas hla ntawm lub tog raj kheej loj, los yog txwv los ntawm cov khoom siv raw, kev thauj mus los, thiab lwm yam, ob-lobed splicing kuj tseem siv tau.
(3) Kev kho kom tsim nyog ntawm qhov sib koom ua ke ntawm cov phaj lim thiab lub tog raj kheej yog qhov tseem ceeb tshwj xeeb rau kev sib txuas ntawm huab cua backwashing.
① Txhawm rau tshem tawm qhov sib txawv ntawm qhov sib txawv ntawm lub phaj lim thiab lub tog raj kheej los ntawm kev ua yuam kev hauv kev ua cov phaj lim thiab dov ntawm lub tog raj kheej, lub nplhaib arc feem ntau yog welded ntu los ntawm ntu.Cov khoom sib cuag yuav tsum tau welded tag nrho.
② Txoj kev kho ntawm radial clearance ntawm central yeeb nkab thiab lim phaj yog tib yam li saum toj no.
Lus Cim: Cov kev ntsuas saum toj no ua kom ntseeg tau tias kev lim dej thiab rov qab ntxuav tsuas tuaj yeem sib txuas lus los ntawm qhov sib txawv ntawm lub hau lim lossis cov yeeb nkab tso pa.Nyob rau tib lub sijhawm, qhov kev faib tawm tsis sib xws ntawm kev thim rov qab thiab lim cov channel kuj tau lees paub.
(4) Qhov yuam kev radial ntawm qhov los ntawm qhov machined ntawm lub phaj lim yog ± 1.5 hli.Qhov nce ntawm qhov loj ntawm qhov haum ntawm tus taw qhia pas nrig ntawm lub taub lim thiab los ntawm lub qhov ntawm lub phaj lim tsis zoo rau kev teeb tsa lossis kev txhim kho ntawm lub hau lim.Lub machining ntawm qhov yuav tsum tau ua mechanically ..
(5) Cov khoom siv ntawm lub hau lim, nylon yog qhov zoo tshaj plaws, ua raws li ABS.Vim tias cov khoom siv lim tau ntxiv rau sab saud, lub extrusion load ntawm lub hau lim yog loj heev, thiab lub zog yuav tsum tau siab kom tsis txhob deformation.Qhov chaw tiv tauj (sab sauv thiab sab qis) ntawm lub hau lim thiab lub phaj lim yuav tsum muab cov ntaub qhwv elastic.
Post lub sij hawm: Jun-20-2022