Kev kho dej khib nyiab
JIANGSU tau txais RECYCLING TECHNOLOGY CO,.LTD
Thawj los ntawm cov teb chaws Europe los ntawm 2002, nrog ntau tshaj 160 cov khoom siv yas rov ua haujlwm tam sim no, GET Recycling muab cov lus qhia meej rau koj nrog tus kws txiav txim plaub txiav txim raws li koj cov khoom siv thiab cov kev xav tau. GET yog ib qho ntawm koj cov neeg koom tes zoo tshaj plaws hauv kev rov ua dua tshiab txij li pib ntawm kev sib tham mus nrhiav kev daws teeb meem zoo tshaj plaws, thiab los ntawm cov tshuab tsim khoom mus rau kev pab cuam tom qab muag.
Vim Li Cas Xaiv Peb
Kev ruaj ntseg zoo
Kev ua haujlwm siab ntawm cov peev txheej siab, cov txheej txheem zoo rov ua dua tshiab ntawm Kev Tsim Nyog peev, GET cov khoom siv rov ua dua tshiab thiab cov kab txhawb kev ua haujlwm zoo thiab kev lag luam zoo rau txhua tus neeg siv khoom.
Kev pabcuam zoo
GET yog ib qho ntawm koj cov neeg koom tes zoo tshaj plaws hauv kev rov ua dua tshiab txij li pib ntawm kev sib tham mus nrhiav kev daws teeb meem zoo tshaj plaws, thiab los ntawm cov tshuab tsim khoom mus rau kev pab cuam tom qab muag.
Tus nqi tsim nyog
Xav tau tus nqi siab tshaj plaws ntawm cov khoom kawg.
Kev xa khoom sai
Kev ua haujlwm siab ntawm cov peev txheej siab, cov txheej txheem zoo rov ua dua tshiab ntawm Kev Tsim Nyog peev, GET cov khoom siv rov ua dua tshiab thiab cov kab txhawb kev ua haujlwm zoo thiab kev lag luam zoo rau txhua tus neeg siv khoom.
Qhov Kev Kho Dej Ncua Dej Ua Haujlwm Li Cas?
Cov txheej txheem kho tshwj xeeb sib txawv, tab sis cov txheej txheem kho dej khib nyiab feem ntau yuav suav nrog cov kauj ruam hauv qab no:
Coagulation
Coagulation yog txheej txheem uas muaj ntau yam tshuaj ntxiv rau hauv lub tank tshuaj tiv thaiv kom tshem tawm cov khib nyiab thiab lwm yam kab mob. Cov txheej txheem no pib nrog kev sib xyaw ntawm cov reactors sib xyaw, feem ntau yog ib lossis ob lub reactors uas ntxiv cov tshuaj tshwj xeeb kom tshem tawm tag nrho cov khoom me me hauv dej los ntawm kev sib txuas rau hauv cov khoom hnyav dua uas tawm mus. Feem ntau siv coagulates yog aluminium-raws li alum thiab polyaluminum chloride.
Qee zaum kev hloov pH me ntsis yuav pab coagulate cov khoom, thiab.
Flocculation
Thaum coagulation tiav lawm, cov dej nkag mus rau hauv lub flocculation chamber qhov twg cov coagulated hais maj mam stirred ua ke nrog ntev-chain polymers (them nqi molecules uas lob tag nrho cov colloidal thiab coagulated hais thiab rub lawv ua ke), tsim kom pom, settleable hais uas zoo li snowflakes.
Sedimentation
Lub ntiajteb txawj nqus settler (los yog sedimentation ib feem ntawm cov txheej txheem dej khib nyiab) feem ntau yog ib lub voj voog loj uas cov khoom siv flocculated thiab dej ntws mus rau hauv lub chamber thiab ncig los ntawm qhov chaw tawm. Nyob rau hauv cov txheej txheem qeeb heev, cov dej nce mus rau sab saum toj thiab dhau ntawm qhov ib puag ncig ntawm cov lus piav qhia, tso cai rau cov khib nyiab los nyob rau hauv qab ntawm lub clarifier rau hauv ib daim pam sludge. Cov khib nyiab ces raked mus rau hauv nruab nrab ntawm lub clarifier mus rau hauv ib lub raj cylindrical qhov twg ib qho kev sib tov qeeb thiab cov sludge yog pumped tawm hauv qab mus rau hauv sludge-kuav los yog dewatering ua hauj lwm.
Cov txheej txheem dewatering yuav siv tag nrho cov dej tawm ntawm cov sludge nrog lim los yog siv xovxwm, yielding ib qho khoom qab zib. Cov dej sludge yog muab tso rau hauv xovxwm thiab khiav ntawm ob txoj hlua uas nyem cov dej tawm, thiab cov sludge tau muab tso rau hauv lub plhaw loj uas mus rau qhov chaw pov tseg lossis qhov chaw uas rov siv cov sludge. Cov dej los ntawm cov txheej txheem no feem ntau yog rov qab siv dua thiab ntxiv rau pem hauv ntej kawg ntawm lub clarifier.
Lim
Cov kauj ruam tom ntej yog feem ntau khiav dej ntws mus rau hauv lub ntiajteb txawj nqus xuab zeb lim. Cov ntxaij lim dej no yog thaj chaw loj uas lawv muab ob mus rau plaub taw ntawm cov xuab zeb, uas yog cov xuab zeb zoo nkauj crushed nrog jagged npoo. Cov xuab zeb feem ntau yog ntsia rau hauv lub lim ntawm qhov tob ntawm ob mus rau plaub taw, qhov twg nws ntim nruj nreem. Tom qab ntawd cov dej pub yog dhau los ntawm, ntxiab cov khoom.
Ntawm cov tshuab me me, koj tuaj yeem mus nrog lub txaj pw siab multimedia lim piv rau lub ntiajteb txawj nqus xuab zeb pom. Qee zaum, nyob ntawm qhov dej thiab seb nws puas muaj hlau ntau, koj tuaj yeem siv cov xuab zeb ntsuab es tsis txhob siv cov xuab zeb lim, tab sis feem ntau, cov kauj ruam polishing rau kev kho dej khib nyiab yog cov xuab zeb pom.
Ultrafiltration (UF) kuj tuaj yeem siv tom qab cov lus piav qhia tsis yog lub ntiajteb txawj nqus xuab zeb lim, lossis nws tuaj yeem hloov tag nrho cov txheej txheem qhia meej tag nrho. Membranes tau dhau los ua cov thev naus laus zis tshiab tshaj plaws rau kev kho mob, siv dej ncaj qha los ntawm cov dej khib nyiab los ntawm UF (post-chlorination) thiab tshem tawm tag nrho cov lus qhia meej / pom lub tsheb ciav hlau.
Tshuaj tua kab mob
Tom qab cov dej ntws los ntawm lub ntiajteb txawj nqus xuab zeb lim, cov kauj ruam tom ntej no feem ntau yog tshuaj tua kab mob los yog tshuaj chlorination los tua cov kab mob hauv dej.
Qee lub sij hawm cov kauj ruam no tau ua tiav cov dej ntws ua ntej pom kom cov lim dej ntxuav kom huv thiab huv. Yog tias koj lub kaw lus siv cov kauj ruam no ua ntej pom, koj yuav tsum tau siv tshuaj tua kab mob ntxiv. . . Txoj kev no cov lim dej tau tshuaj tua kab mob thiab khaws cia tsis muaj kab mob (nrog rau cov dej lim dej). Thaum koj ntxiv cov tshuaj chlorine rau pem hauv ntej koj tua cov kab mob thiab muaj fouling tsawg. Yog tias cov kab mob zaum hauv txaj, tej zaum koj yuav loj hlob slime thiab yuav tsum rov qab ntxuav cov lim ntau dua. Yog li nws tag nrho yog nyob ntawm seb koj ua haujlwm li cas. . . seb koj lub cev tau teeb tsa rau chlorinate ntws (ua ntej pom) lossis qis qis (tom qab pom).
Kev faib tawm
Yog tias cov dej khib nyiab tau rov qab siv dua hauv cov txheej txheem kev lag luam, nws feem ntau yog siv rau hauv lub tank tuav uas nws tuaj yeem siv tau raws li qhov xav tau ntawm qhov chaw. Yog hais tias rau kev siv hauv nroog, cov dej kho feem ntau yog muab tso rau hauv qhov chaw faib khoom ntawm cov kav dej thiab ntau cov khoom sib sau thiab xa tawm hauv lub voj voog thoob plaws hauv nroog.

Cov chaw kho dej phwj siv siv lub cev, tshuaj, thiab cov txheej txheem lom neeg rau kev lim dej. Cov txheej txheem siv nyob rau hauv cov chaw no kuj categorized li preliminary, thawj, theem nrab, thiab tertiary. Cov theem pib thiab theem pib tshem tawm cov rags thiab tshem tawm cov khib nyiab. Cov txheej txheem thib ob feem ntau yog tshem tawm cov organic thiab yaj. Cov txheej txheem tertiary ua tiav kev tshem tawm cov khoom noj thiab ntxiv polishing ntawm cov dej khib nyiab. Disinfection, theem kawg, rhuav tshem cov kab mob uas tseem tshuav. Cov khib nyiab sludge generated thaum kho yog cais stabilized, dewatered, thiab xa mus rau landfills los yog siv nyob rau hauv daim ntawv thov av.
Wastewater yog dab tsi?
Cov dej khib nyiab yog cov dej qias neeg uas tsim los ntawm cov dej los nag thiab cov dej num ntawm tib neeg. Nws tseem hu ua dej phwj tuaj. Nws yog feem ntau categorized los ntawm cov yam uas nws yog generated-tshwj xeeb, raws li domestic dej phwj, industrial dej phwj, los yog cua daj cua dub dej (dej cua daj cua dub).
Cov dej khib nyiab hauv tsev yog los ntawm kev siv dej hauv tsev, chaw lag luam, thiab khw noj mov.
Cov dej khib nyiab muaj los ntawm kev tso tawm los ntawm kev tsim khoom thiab tshuaj lom neeg kev lag luam.
Cov dej nag hauv nroog thiab thaj chaw ua liaj ua teb khaws cov khib nyiab, grit, cov as-ham, thiab ntau yam tshuaj, yog li ua rau cov dej ntws tawm ntawm qhov chaw.
Dab tsi yog Industrial Wastewater Treatment System
Rau cov tuam txhab lag luam uas tsim cov dej khib nyiab ua ib feem ntawm nws cov txheej txheem, qee hom kev kho dej khib nyiab feem ntau yog tsim nyog los xyuas kom meej kev nyab xeeb thiab cov kev cai tawm. Txoj kev kho dej khib nyiab uas tsim nyog tshaj plaws yuav pab lub chaw kom tsis txhob muaj kev puas tsuaj rau ib puag ncig, tib neeg kev noj qab haus huv, thiab lub chaw ua haujlwm lossis cov khoom lag luam (tshwj xeeb yog tias cov dej khib nyiab rov qab siv dua). Nws tseem yuav pab lub tsev kho mob txwv tsis pub nplua hnyav thiab muaj peev xwm ua raws li txoj cai yog tias cov dej khib nyiab raug tso tawm tsis raug rau hauv POTW (publicly muaj kev kho mob) lossis rau ib puag ncig (feem ntau nyob rau hauv National Pollutant Discharge Elimination System, lossis NPDES, tso cai).
Tab sis dab tsi yog qhov kev kho dej khib nyiab thiab nws ua haujlwm li cas?
Cov lus teb nyuaj rau lo lus nug no (uas feem ntau yog nyob ntawm cov dej khib nyiab hauv kev cuam tshuam nrog kev cai tswj hwm kev tso tawm los ntawm cov nroj tsuag) yog yooj yim thiab tawg rau koj hauv qab no:
Dab tsi yog qhov kev kho dej khib nyiab?
- Kev kho dej khib nyiab yog ib qho kev tsim los ntawm ntau tus neeg thev naus laus zis uas hais txog koj qhov kev xav tau kev kho dej khib nyiab.
- Kev kho cov dej khib nyiab tsis tshua muaj txheej txheem zoo li qub, thiab cov txheej txheem kho dej khib nyiab uas tsim kho kom haum raws li qhov kev hloov pauv ntawm cov kev xav tau kev kho mob yuav mus ntev kom tsis txhob raug nqi hloov pauv / hloov kho dua tshiab.
Ib qho zoo thiab tsim kev kho dej khib nyiab yuav tsum muaj peev xwm ua tau:
- Txheej txheem variations nyob rau hauv paug thiab ntws.
- Kev hloov pauv hauv dej chemistry xav tau thiab yuav tsum tau kho cov tshuaj ntim tshuaj.
- Muaj peev xwm hloov pauv hauv cov kev xav tau ntawm cov dej effluent.
Dab tsi yog suav nrog hauv kev kho dej khib nyiab yooj yim?
Raws li tau hais los saum no, cov ntsiab lus tseeb ntawm kev kho dej khib nyiab yog nyob ntawm cov dej khib nyiab hauv kev sib raug zoo rau kev cai tswj kev tawm ntawm cov nroj tsuag, tab sis feem ntau, cov txheej txheem dej khib nyiab yooj yim feem ntau suav nrog qee yam:
Clarifier los daws cov teeb meem tshem tawm uas tshwm sim los ntawm kev kho mob.
Kev pub tshuaj lom neeg los pab txhawb cov nag lossis daus, flocculation, lossis coagulation ntawm cov hlau thiab cov khib nyiab tshem tawm
filtration kom tshem tawm tag nrho cov seem seem ntawm cov khib nyiab tshem tawm (dua li, qhov kev pom xav tau yuav nyob ntawm seb qhov kev tshem tawm cov khib nyiab uas yuav tsum tau ua kom dhau cov kev cai tawm hauv zos).
Kev kho pH kawg thiab kev kho tom qab
Tswj vaj huam sib luag (nyob ntawm theem ntawm kev ua haujlwm automated xav tau).
Raws li qhov xav tau ntawm koj cov nroj tsuag thiab cov txheej txheem, cov txheej txheem no feem ntau yog txaus, txawm li cas los xij, yog tias koj cov nroj tsuag xav tau ib qho system uas muab kev kho me ntsis ntxiv, tej zaum yuav muaj qee yam nta lossis thev naus laus zis uas koj yuav xav tau ntxiv rau. Piv txwv li, rau cov chaw uas tsim cov khoom siv roj ntsha xws li zaub mov thiab dej haus yuav tsum tau ua kom txo qis BOD (biochemical oxygen xav tau), thiab lwm yam.
Kev kho dej khib nyiab hauv kev lag luam tuaj yeem tsim los ntawm cov thev naus laus zis tsim nyog los tshem tawm ib qho ntawm cov hauv qab no:
Biochemical oxygen xav tau
Biochemical oxygen xav tau, los yog BOD, yog hais txog tus nqi ntawm cov pa oxygen uas xav tau los ntawm cov kab mob aerobic lom los rhuav tshem cov organic teeb meem rau hauv cov khoom me me. Cov qib siab BOD qhia tau hais tias qhov nce siab ntawm cov khoom siv biodegradable tam sim no nyob rau hauv cov dej khib nyiab thiab tuaj yeem tshwm sim los ntawm kev nthuav tawm cov pa phem xws li fecal khib nyiab, ntxuav, thiab ntxuav tawm los ntawm kev ua zaub mov los yog chiv.
Nitrates thiab phosphates
Yog tias ntau cov nitrates thiab / lossis phosphates tsis raug tshem tawm los ntawm cov dej khib nyiab thiab cov khoom noj no tawm mus rau hauv ib puag ncig hauv zos, lawv tuaj yeem ua rau muaj kev nce BOD thiab kev loj hlob ntawm cov nroj tsuag, algae, thiab phytoplankton. Qhov no tuaj yeem ua rau eutrophication, lossis deoxygenation hauv lub cev ntawm cov dej, tua cov kab mob thiab ua rau hypoxia lossis ib puag ncig.
Cov kab mob
Cov kab mob yog cov kab mob, kab mob, fungi, lossis lwm yam kab mob uas tuaj yeem tshwm sim hauv cov dej khib nyiab uas tuaj yeem ua rau txhua yam teeb meem kev noj qab haus huv, suav nrog kev mob hnyav, teeb meem plab hnyuv loj, lossis tuag. Thaum cov dej khib nyiab hauv tsev los yog kev lag luam muaj cov kab mob phem no thiab tsis kho, nws tuaj yeem kis tau kab mob thiab kab mob xws li kab mob cholera, dysentery, salmonellosis, kab mob siab A, botulism, thiab giardiasis, rau npe rau ob peb tug.
Hlau
Feem ntau pom muaj nyob rau hauv cov dej khib nyiab vim muaj ntau yam kev lag luam, cov txheej txheem tsim khoom, thaum tso rau hauv cov dej khib nyiab hauv cov khoom siv siab, cov hlau tuaj yeem ua rau muaj kev puas tsuaj rau ib puag ncig thiab tib neeg kev noj qab haus huv. Lawv muaj kev puas tsuaj tshwj xeeb vim lawv tsis tawg thiab zoo li sib sau ua ke, ua rau thaj chaw muaj tshuaj lom.
Total suspended solids
Tag nrho cov khib nyiab tshem tawm (TSS) hauv cov dej khib nyiab, cov khoom siv organic thiab inorganic raug tshem tawm hauv dej, tuaj yeem, zoo li ntau lwm yam kab mob uas tau teev tseg, ua rau lub neej hauv dej. Lawv kuj tuaj yeem muaj teeb meem yog tias cov dej khib nyiab tau rov qab siv dua rau cov txheej txheem, yog li nyob ntawm seb koj puas yuav tsum tau tso koj cov dej khib nyiab pov tseg hauv kev kho pej xeem (POTW) lossis ib puag ncig, lossis rov siv cov dej khib nyiab rau cov txheej txheem, yuav txiav txim siab seb puas tsim nyog. TSS yuav yog. TSS tuaj yeem txo cov pa oxygen hauv cov dej ib puag ncig thiab tua kab. Lawv kuj tseem tuaj yeem ntsuas cov kav dej tsis zoo thiab cov tshuab.
Tag nrho cov yaj yaj
Total dissolved solids (TDS) yog cov anions, cations, hlau, minerals, los yog ntsev nyob rau hauv cov dej khib nyiab. Lawv tuaj yeem ua rau muaj teeb meem nrog dej hauv dej, dej thiab qoob loo, thiab lawv tuaj yeem nkag mus rau hauv av. TDS tuaj yeem tsim tawm hauv cov dej khib nyiab los ntawm txhua qhov kev lag luam.
Synthetic tshuaj
Thaum cov tshuaj tua kab thiab lwm yam tshuaj raug siv / ua hauv kev tsim khoom, lawv tuaj yeem xa mus rau tib neeg thiab ib puag ncig los ntawm cov dej khib nyiab, ua rau muaj kev puas tsuaj rau ib puag ncig thiab tib neeg kev noj qab haus huv. Qee cov tshuaj muaj nyob hauv cov dej khib nyiab muaj xws li diethylstilbestrol, dioxin, PCBs, DDT, thiab lwm yam tshuaj tua kab. Cov "endocrine cuam tshuam" tuaj yeem thaiv cov tshuaj hormones hauv lub cev thiab cuam tshuam rau kev ua haujlwm ntawm cov tshuaj hormones tswj.
Lwm cov kauj ruam ua tau rau cov txheej txheem kho dej khib nyiab
Txiv qaub softening
Nyob rau hauv cov dej uas koj muaj siab hardness los yog sulfates, los yog lwm yam constituent koj yuav tsum tau precipitate los yog tshem tawm, ib tug txiv qaub thiab / los yog ib tug txiv qaub soda txheej txheem yog siv. Nws nce pH, ua rau hardness thiab hlau nyob rau hauv dej kom precipitate tawm. Cov txheej txheem txias, sov, lossis kub cov kua qaub tuaj yeem siv tau, thiab txhua tus yuav ua rau muaj kev sib txawv. Feem ntau, dej kub tshem tawm cov tawv tawv dua.
Ion pauv softening
Hauv qee cov ntawv thov kev lag luam thiab hauv nroog, yog tias muaj qhov nyuaj siab, yuav muaj kev kho tom qab tshem tawm qhov nyuaj. Hloov cov txiv qaub, siv cov tshuaj softening; Lub zog acid cation txauv txheej txheem, yog li cov resin raug them nrog sodium ion, thiab raws li lub hardness los ntawm, nws muaj ntau dua affinity rau calcium, magnesium, thiab hlau yog li nws yuav lob tus molecule thiab tso cov sodium molecule rau hauv dej.
Cov txheej txheem tshwj xeeb
Raws li peb tau hais los saum toj no, cov dej khib nyiab thiab cov dej khib nyiab sib txawv txhua qhov chaw koj mus. Peb tau tham txog qee cov kauj ruam uas feem ntau hauv cov chaw kho dej khib nyiab. Feem ntau muaj cov txheej txheem tshwj xeeb los kho cov teeb meem tshwj xeeb, xws li tshem tawm qee yam hlau lossis cov organic, lossis txo TDS rau kev rov ua dua thiab lwm yam. Rau cov teeb meem ntau yam tshwj xeeb rau koj tus kheej xav tau, yuav tsum tau ua tib zoo xav txog txoj kev tsim nyog. ntawm kev kho mob.
Lub Chaw Kho Dej Siv Dej Ua Haujlwm Li Cas?
Cov chaw kho dej khib nyiab siv plaub theem ntawm kev kho:
Kev kho mob ua ntej:Nws koom nrog kev sib cais ntawm cov khib nyiab loj (lub raj mis, ntaub, plastics) pom hauv dej siv bar racks thiab cov ntxaij vab tshaus.
Kev kho mob tseem ceeb:Physico-tshuaj kho mob rau sediment thiab precipitate suspended solids thiab txo cov biochemical oxygen xav tau ntawm cov organic solids. Tsis tas li ntawd, qhov kev kho mob neutralises dej, tshem tawm cov kab mob tsis zoo, tshem tawm cov roj thiab roj, thiab lwm yam.
Kev kho mob thib ob:Kev kho mob lom neeg uas txo qis cov organic teeb meem hauv cov dej khib nyiab. Lawv suav nrog cov txheej txheem aerobic uas degrade cov khoom siv organic nyob rau hauv lub xub ntiag ntawm oxygen, nrog rau cov txheej txheem anaerobic uas oxidise organic teeb meem tsis muaj oxygen, ua raws li qhov thib ob.
Kev kho mob Tertiary:Cov txheej txheem ntawm lub cev, tshuaj lom neeg thiab tshuaj lom neeg, uas tshem tawm cov hlau hnyav, nitrogen, phosphorous, thiab cov kab mob. Hauv qee qhov WWTPs dej tau txais kev kho mob ntxiv kom tso cai rau nws rov siv dua rau lub hom phiaj xws li kev tso dej ntawm cov chaw ua si thiab thaj chaw ntsuab, kev ntxhua khaub ncaws, lossis kev siv lag luam.
Peb lub Hoobkas
Thawj los ntawm cov teb chaws Europe los ntawm 2002, nrog ntau tshaj 290 yas recycling tej yaam num tam sim no nyob rau hauv lub lag luam, GET Recycling muab tswv yim meej rau koj nrog ib tug tailor tsim kev daws teeb meem nyob rau hauv lub hauv paus ntawm koj plastics thiab cov kev cai.GET yog ib tug ntawm koj zoo tagnrho cov neeg koom tes nyob rau hauv lub teb ntawm recycling los ntawm pib ntawm kev sib tham los nrhiav kev daws teeb meem zoo tshaj plaws, thiab los ntawm cov tshuab tsim khoom mus rau kev pab cuam tom qab muag.










