0102 ib0304 ib05
Industrial Wastewater Treatment System ETP Effluent Process Technologies
Cov dej khib nyiab hauv kev lag luam yog hais txog cov dej khib nyiab, dej phwj tuaj thiab cov kua khib nyiab tsim tawm hauv cov txheej txheem ntawm kev tsim khoom, uas muaj cov khoom siv hauv kev lag luam, cov khoom nruab nrab thiab cov khoom poob nrog dej, nrog rau cov pa phem tsim tawm hauv cov txheej txheem tsim khoom. Nrog rau txoj kev loj hlob sai ntawm kev lag luam, hom thiab qhov ntau ntawm cov dej khib nyiab tau nce zuj zus, thiab cov pa phem ntawm cov dej hauv lub cev tau dhau los ua ntau dua thiab loj dua, ua rau tib neeg kev noj qab haus huv thiab kev nyab xeeb. Rau kev tiv thaiv ib puag ncig, kev kho cov dej khib nyiab yog qhov tseem ceeb tshaj li kev kho cov dej phwj hauv nroog.
cov dej khib nyiab hauv kev lag luam (kev lag luam khib nyiab) suav nrog cov dej khib nyiab ntau lawm, cov dej phwj tuaj thiab cov dej txias, hais txog cov dej khib nyiab thiab cov kua khib nyiab tsim tawm hauv cov txheej txheem tsim khoom, uas muaj cov khoom tsim khoom lag luam, cov khoom nruab nrab, cov khoom lag luam thiab cov pa phem tsim tawm hauv cov txheej txheem ntau lawm. nrog dej. Muaj ntau hom kev lag luam khib nyiab nrog complex muaj pes tsawg leeg. Piv txwv li, electrolytic ntsev muaj dej khib nyiab muaj mercury, hnyav hlau smelting industrial khib nyiab muaj hlau lead, cadmium thiab lwm yam hlau, electroplating kev lag luam khib nyiab muaj cyanide thiab chromium thiab lwm yam hlau hnyav, roj av refining kev lag luam khib nyiab muaj phenol, tshuaj tua kab kev lag luam pov tseg muaj ntau yam tshuaj tua kab thiab yog li ntawd. Vim tias cov dej khib nyiab feem ntau muaj ntau yam tshuaj lom, ib puag ncig muaj kuab paug rau tib neeg kev noj qab haus huv, yog li nws yog ib qho tsim nyog los tsim kev siv dav dav, ua kom muaj txiaj ntsig zoo, thiab raws li qhov muaj pes tsawg leeg thiab concentration ntawm cov pa phem hauv cov dej khib nyiab, siv cov kev ntsuas kom huv. rau pov tseg, ua ntej tso tawm.
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Kev faib cov dej khib nyiab
Feem ntau muaj peb txoj hauv kev rau kev faib dej khib nyiab:
Thawj yog cais raws li cov khoom siv tshuaj lom neeg ntawm cov pa phem tseem ceeb hauv cov dej khib nyiab. Inorganic wastewater yog lub ntsiab muaj cov kuab paug inorganic, thiab cov dej khib nyiab organic yog lub ntsiab muaj cov kuab paug organic. Piv txwv li, electroplating wastewater thiab ntxhia ua cov dej khib nyiab yog cov dej khib nyiab inorganic; Cov dej khib nyiab los ntawm cov khoom noj lossis roj av ua cov dej khib nyiab organic.
Qhov thib ob yog cais raws li cov khoom lag luam thiab cov khoom lag luam ntawm kev lag luam, xws li metallurgical pov tseg dej, papermaking khib nyiab dej, coking gas khib nyiab dej, hlau pickling dej khib nyiab, tshuaj chiv khib nyiab dej, textile printing thiab dyeing khib nyiab dej, dyeing dej khib nyiab. , tanning dej khib nyiab, tshuaj tua kab pov tseg dej, fais fab chaw nres tsheb dej khib nyiab, thiab lwm yam.
Qhov thib peb yog cais raws li lub ntsiab ntawm cov pa phem uas muaj nyob rau hauv cov dej khib nyiab, xws li acidic wastewater, alkaline wastewater, cyanogen wastewater, chromium wastewater, cadmium wastewater, mercury wastewater, phenol khib nyiab, aldehyde wastewater, roj khib nyiab, sulfur wastewater, organic. phosphorus wastewater thiab radioactive wastewater.
Thawj ob qhov kev faib tawm tsis yog hais txog cov ntsiab lus tseem ceeb ntawm cov pa phem uas muaj nyob hauv cov dej khib nyiab thiab tsis qhia txog qhov teeb meem ntawm cov dej khib nyiab. Txoj kev faib thib peb kom meej meej qhia qhov muaj pes tsawg leeg ntawm cov pa phem tseem ceeb hauv cov dej khib nyiab, uas tuaj yeem qhia txog kev puas tsuaj ntawm cov dej khib nyiab.
Tsis tas li ntawd, los ntawm qhov nyuaj ntawm kev kho dej khib nyiab thiab kev puas tsuaj ntawm cov dej khib nyiab, cov pa phem tseem ceeb hauv cov dej khib nyiab tau muab faib ua peb pawg: thawj qeb yog khib nyiab, feem ntau yog los ntawm cov dej txias, dej txias tuaj yeem rov qab siv tau; Pawg thib ob yog cov pa phem, uas yog, cov khoom tsis muaj tshuaj lom thiab yooj yim biodegradable, nrog rau biodegradable organic teeb meem, cov tebchaw uas siv tau los ua bionutrients, thiab tshem tawm cov khib nyiab, thiab lwm yam. Qhov thib peb yog cov pa phem, uas yog, cov khoom muaj toxicity. thiab tsis yooj yim rau biodegrade, nrog rau cov hlau hnyav, cov tshuaj lom thiab cov organic tebchaw uas tsis yooj yim rau biodegrade.
Qhov tseeb, ib qho kev lag luam tuaj yeem tso tawm ntau cov dej khib nyiab ntawm cov xwm txheej sib txawv, thiab ib qho dej khib nyiab yuav muaj cov pa phem sib txawv thiab cov pa phem sib txawv. Dye factories, piv txwv li, tso tawm ob qho tib si acidic thiab alkaline khib nyiab. Textile luam ntawv thiab dyeing cov dej khib nyiab, vim yog cov ntaub thiab cov xim sib txawv, cov pa phem thiab cov pa phem yuav txawv heev. Txawm tias cov dej khib nyiab los ntawm ib qho chaw tsim khoom tuaj yeem muaj ntau cov pa phem tib lub sijhawm. Piv txwv li, distillation, cracking, coking, laminating thiab lwm yam khoom siv ntawm lub refinery ntauwd roj vapor condensation dej, muaj phenol, roj, sulfide. Hauv kev lag luam sib txawv, txawm hais tias cov khoom lag luam, cov khoom siv raw thiab cov txheej txheem ua haujlwm sib txawv kiag li, lawv kuj tuaj yeem tso cov dej khib nyiab ntawm qhov zoo sib xws. Xws li cov roj refineries, tshuaj nroj tsuag thiab coking gas nroj tsuag, tej zaum yuav muaj roj, phenol pov tseg dej paug.
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Cov dej khib nyiab
1. Cov dej khib nyiab muaj ncaj qha mus rau hauv cov kav dej, cov dej ntws thiab cov pas dej ua rau cov dej tsis zoo. Yog hais tias cov tshuaj toxicity siab heev, nws yuav ua rau tuag los yog extinction ntawm cov nroj tsuag dej thiab tsiaj txhu.
2. Cov dej khib nyiab tuaj yeem nkag mus rau hauv cov dej hauv av thiab ua rau cov dej paug hauv av, yog li ua rau cov qoob loo tsis zoo.
3. Yog tias cov neeg nyob ib puag ncig siv cov dej tsis huv los yog cov dej hauv av ua dej hauv tsev, nws yuav ua rau muaj kev phom sij rau lawv txoj kev noj qab haus huv thiab kev tuag ntawm qhov mob hnyav.
4, muaj dej khib nyiab infiltration rau hauv av, ua rau av muaj kuab paug. Muaj feem xyuam rau kev loj hlob ntawm cov kab mob hauv cov nroj tsuag thiab av.
5, qee cov dej khib nyiab hauv kev lag luam kuj muaj cov ntxhiab tsw phem, cov pa phem.
6. Cov tshuaj lom thiab tsis zoo hauv cov dej khib nyiab yuav nyob hauv lub cev los ntawm kev noj thiab nqus cov nroj tsuag, thiab tom qab ntawd nkag mus rau tib neeg lub cev los ntawm cov khoom noj khoom haus, ua rau muaj kev phom sij rau tib neeg lub cev.
Kev puas tsuaj ntawm cov dej khib nyiab rau ib puag ncig yog qhov tseem ceeb, thiab "Minamata Incident" thiab "Toyama Incident" nyob rau hauv "yim qhov xwm txheej tseem ceeb rau pej xeem" nyob rau hauv lub xyoo pua 20th yog tshwm sim los ntawm industrial wastewater pollution.
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Txoj cai ntawm kev kho mob
Kev kho kom zoo ntawm cov dej khib nyiab yuav tsum ua raws li cov hauv qab no:
(1) Qhov tseem ceeb tshaj plaws yog kev hloov kho cov txheej txheem tsim khoom thiab tshem tawm cov khoom siv tshuaj lom thiab cov dej tsis zoo hauv cov txheej txheem tsim khoom ntau li ntau tau. Hloov cov khoom siv tshuaj lom lossis cov khoom siv uas tsis muaj tshuaj lom lossis cov khoom siv.
(2) Hauv cov txheej txheem tsim cov khoom siv tshuaj lom neeg thiab cov khoom siv tshuaj lom neeg nruab nrab thiab cov khoom lag luam, cov txheej txheem thev naus laus zis tsim nyog thiab cov khoom siv yuav tsum tau txais, thiab kev ua haujlwm nruj thiab kev saib xyuas yuav tsum tau ua kom tshem tawm cov dej xau thiab txo qis.
(3) Cov dej khib nyiab uas muaj cov tshuaj lom neeg muaj zog, xws li qee cov hlau hnyav, cov khoom siv hluav taws xob, cov phenol, cyanide thiab lwm yam dej khib nyiab yuav tsum tau muab cais tawm ntawm lwm cov dej khib nyiab, thiaj li ua kom yooj yim kho thiab rov ua kom muaj txiaj ntsig zoo.
(4) Qee cov dej khib nyiab nrog cov dej ntws loj thiab lub teeb muaj kuab paug, xws li cov dej khib nyiab txias, yuav tsum tsis txhob muab tso rau hauv cov kav dej, thiaj li tsis ua kom cov dej phwj tuaj hauv nroog thiab cov dej phwj tuaj kho. Cov dej khib nyiab zoo li no yuav tsum tau rov ua dua tom qab kho kom zoo hauv cov nroj tsuag.
(5) Cov dej khib nyiab uas muaj cov khoom siv thiab cov khoom zoo ib yam li cov dej phwj hauv nroog, xws li cov dej khib nyiab, cov dej khib nyiab pov tseg thiab cov khoom noj khoom haus, tuaj yeem tso rau hauv cov kav dej phwj hauv nroog. Cov chaw kho dej loj loj yuav tsum tau tsim, suav nrog cov pas dej oxidation lom, cov kav dej phwj tuaj, cov txheej txheem kho av thiab lwm cov chaw kho mob yooj yim thiab ua tau raws li hauv zos. Piv nrog rau cov chaw kho dej me me, cov dej phwj loj loj tuaj yeem tsis tsuas yog txo cov peev txheej thiab cov nqi khiav lag luam, tab sis kuj yooj yim los tswj cov kev khiav hauj lwm zoo thiab kev kho mob los ntawm kev ruaj ntseg ntawm cov dej kom muaj nuj nqis thiab dej zoo.
(6) Qee cov dej khib nyiab uas tuaj yeem ua rau biodegradable, xws li cov dej khib nyiab uas muaj phenol thiab cyanide, tuaj yeem tawm mus rau hauv lub nroog cov kav dej raws li tus qauv tso cai tawm tom qab kev kho mob hauv cov nroj tsuag, thiab kev kho biooxidative degradation ntxiv los ntawm cov kav dej phwj tuaj.
(7) Cov dej khib nyiab uas muaj cov pa phem uas nyuaj rau biodegrade yuav tsum tsis txhob muab tso rau hauv cov kav dej hauv nroog thiab thauj mus rau cov chaw kho dej phwj, tab sis yuav tsum tau kho nyias.
Txoj kev loj hlob ntawm kev kho cov dej khib nyiab hauv kev lag luam yog rov ua dua cov dej khib nyiab thiab cov pa phem ua kom muaj txiaj ntsig zoo lossis siv cov khoom kaw.
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Txoj kev kho mob
Cov txheej txheem tseem ceeb rau kev kho mob siab concentration refractory organic wastewater muaj xws li tshuaj oxidation, extraction, adsorption, incineration, catalytic oxidation, biochemical txoj kev, thiab lwm yam. Biochemical txoj kev muaj mature txheej txheem, yooj yim cov cuab yeej, loj kho muaj peev xwm, tsis tshua muaj nqi khiav hauj lwm, thiab yog tseem txoj kev siv dav tshaj plaws hauv kev kho dej khib nyiab.
Hauv kev kho dej khib nyiab, cov txheej txheem biochemical ib txwm siv, xws li A / O txoj kev, A2 / O txoj kev lossis cov txheej txheem txhim kho, feem ntau yog siv. Cov txheej txheem activated sludge hauv cov txheej txheem dej khib nyiab biochemical yog feem ntau siv cov txheej txheem dej khib nyiab biochemical. Activated sludge yog txoj kev siv tshuaj lom neeg muaj txiaj ntsig zoo tshaj plaws nrog thaj chaw loj tshwj xeeb, kev ua haujlwm siab thiab kev hloov pauv loj.
Industrial wastewater kho txoj kev:
1. Ozone oxide:
Ozone muaj purification thiab tshuaj tua kab mob vim nws muaj zog oxidation muaj peev xwm, yog li no technology yog dav siv nyob rau hauv kev kho mob ntawm xanthate cov dej khib nyiab. Ozone oxidation yog ib txoj hauv kev zoo los tshem tawm xanthate los ntawm cov kua dej.
2. Txoj kev adsorption:
Adsorption yog ib txoj kev kho dej uas siv cov adsorbents cais cov kuab paug ntawm dej. Txoj kev adsorption yog siv dav vim cov khoom siv raw khoom nplua nuj thiab kev ua haujlwm siab. Common adsorbents yog activated carbon, zeolite, cinder thiab lwm yam.
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3. Catalytic oxidation txoj kev:
Catalytic oxidation technology yog ib txoj hauv kev uas siv cov catalysts kom ceev cov tshuaj tiv thaiv ntawm cov pa phem thiab oxidants hauv dej khib nyiab thiab tshem tawm cov pa phem hauv dej. Catalytic oxidation method muaj xws li: photocatalytic oxidation method, electrocatalytic oxidation method. Txoj kev no muaj ntau yam kev siv thiab cov txiaj ntsig zoo kawg li. Nws yog kev siv tshuab oxidation siab heev thiab muaj txiaj ntsig zoo rau kev kho cov dej khib nyiab nyuaj organic.
4. Coagulation thiab nag lossis daus txheej txheem:
Coagulation nag lossis daus txoj kev yog ib txoj kev sib sib zog nqus purification ntawm cov dej phwj tuaj los ntawm kev siv coagulant. Nws yog ib qho tsim nyog yuav tsum tau ntxiv cov coagulant thiab coagulant pab rau dej kom tsis txhob muaj cov tshuaj colloidal uas nyuaj rau precipitate thiab polymerize nrog ib leeg, thiaj li daws tau thiab tshem tawm. Feem ntau siv coagulants yog hlau ntsev, ferrous ntsev, txhuas ntsev thiab polymer.
5. Kev siv tshuaj lom neeg:
Txoj kev lom neeg feem ntau ntxiv cov kab mob mus rau xanthate cov dej khib nyiab, tsim kev tswj cov khoom noj khoom haus tsim nyog rau nws cov khoom tsim, thiab siv lub hauv paus ntsiab lus ntawm degradation thiab metabolism ntawm cov organic teeb meem los kho xanthate cov dej khib nyiab. Cov txiaj ntsig zoo ntawm cov txheej txheem lom neeg muaj txiaj ntsig zoo heev, tsis muaj kev ua qias tuaj me me thiab tus nqi qis.
![16b8 ib](https://ecdn6.globalso.com/upload/p/971/image_other/2024-04/662b0c2d4c9e152362.jpg)
6. Microelectrolysis txoj kev:
Micro-electrolysis txoj kev yog siv lub tshuab hluav taws xob micro tsim los ntawm qhov sib txawv ntawm qhov chaw kom ua tiav lub hom phiaj ntawm electrolytic purification. Txoj kev no yog qhov tshwj xeeb tshaj yog rau kev kho cov dej khib nyiab organic uas nyuaj rau degrade. Nws muaj cov yam ntxwv ntawm kev ua haujlwm siab, ntau yam kev ua, siab COD tshem tawm tus nqi thiab txhim kho cov dej khib nyiab biochemistry.
Lub hom phiaj ntawm kev kho dej khib nyiab yog cais cov pa phem hauv cov dej khib nyiab hauv qee txoj kev, los yog decompose rau hauv cov khoom tsis zoo thiab ruaj khov, kom cov dej phwj tuaj yeem huv. Feem ntau los tiv thaiv cov kab mob lom thiab kab mob; Txhawm rau ua kom tau raws li qhov yuav tsum tau ua ntawm kev siv sib txawv, zam cov khoom pom nrog cov ntxhiab tsw txawv thiab tsis hnov qab.
Kev kho dej khib nyiab yog qhov nyuaj heev, thiab kev xaiv txoj kev kho yuav tsum tau txiav txim siab raws li cov dej zoo thiab cov dej khib nyiab, cov dej tau txais lub cev tawm lossis siv dej. Nyob rau tib lub sijhawm, nws yuav tsum xav txog kev kho thiab kev siv cov sludge thiab cov seem uas tsim tawm hauv cov txheej txheem ntawm kev kho cov dej khib nyiab thiab ua kom muaj kuab paug thib ob, nrog rau kev rov ua dua thiab siv cov flocculant.
Kev xaiv txoj kev kho dej khib nyiab yog nyob ntawm qhov xwm txheej, muaj pes tsawg leeg, lub xeev thiab cov dej zoo ntawm cov pa phem hauv cov dej khib nyiab. Txoj kev kho dej khib nyiab dav dav tuaj yeem muab faib ua cov txheej txheem ntawm lub cev, cov txheej txheem tshuaj thiab cov txheej txheem lom neeg.
Kev siv lub cev: siv lub cev ua haujlwm los kho, cais thiab rov ua kom cov pa phem hauv cov dej khib nyiab. Piv txwv li, cov khoom raug tshem tawm nrog cov txheeb ze ntom ntom ntau dua 1 hauv dej raug tshem tawm los ntawm txoj kev los nag thiab rov zoo tib lub sijhawm; Flotation (los yog huab cua flotation) tuaj yeem tshem tawm cov roj emulsion los yog tshem tawm cov khib nyiab nrog cov txheeb ze ze rau 1; Txoj kev lim dej tuaj yeem tshem tawm cov khoom tshem tawm hauv dej; Txoj kev evaporation yog siv los ua kom pom tseeb cov khoom tsis-volatile soluble hauv cov dej khib nyiab.
![172gl ib](https://ecdn6.globalso.com/upload/p/971/image_other/2024-04/662b0c5cced2529237.jpg)
Cov txheej txheem tshuaj: kev rov qab los ntawm cov khoom pov tseg lossis cov tshuaj colloidal los ntawm cov tshuaj tiv thaiv lossis kev ua physicochemical. Piv txwv li, cov txheej txheem neutralization yog siv los neutralize acidic lossis alkaline khib nyiab; Txoj kev rho tawm siv "kev faib tawm" ntawm cov khib nyiab pov tseg hauv ob theem nrog cov solubility sib txawv kom rov qab tau cov phenols, cov hlau hnyav, thiab lwm yam. REDOX txoj kev siv los tshem tawm los yog oxidizing cov pa phem hauv cov dej khib nyiab thiab tua cov kab mob hauv cov dej ntuj.
Txoj kev siv tshuaj lom neeg: siv cov tshuaj biochemical ntawm cov kab mob los kho cov organic teeb meem hauv cov dej khib nyiab. Piv txwv li, biofiltration thiab activated sludge yog siv los kho cov dej phwj hauv tsev lossis cov dej khib nyiab organic los ntawm kev hloov pauv thiab degrading rau hauv cov ntsev inorganic.
Cov txheej txheem saum toj no muaj lawv tus kheej qhov kev hloov pauv, yuav tsum kawm los ntawm ib leeg, sib ntxiv, feem ntau nyuaj rau siv txoj hauv kev tuaj yeem ua tiav kev tswj hwm zoo. Cov txheej txheem zoo li cas yog siv los kho cov dej khib nyiab, ua ntej ntawm tag nrho, raws li cov dej zoo thiab qhov muaj pes tsawg leeg ntawm cov dej khib nyiab, cov dej ntws tawm ntawm cov dej, kev lag luam ntawm cov khoom pov tseg, cov yam ntxwv ntawm txoj kev kho, thiab lwm yam. tom qab ntawd los ntawm kev tshawb nrhiav thiab kev tshawb fawb, kev sim kev tshawb fawb, thiab ua raws li cov cim qhia ntawm cov dej khib nyiab pov tseg, cov xwm txheej hauv cheeb tsam thiab kev ua tau zoo thiab txiav txim siab.
Kev tiv thaiv thiab tswj kev ntsuas
Ntxiv dag zog rau kev tswj hwm kev lag luam muaj kuab paug los siv ntau yam kev tswj hwm ib puag ncig, ntxiv dag zog rau kev tswj hwm ib puag ncig ntawm kev lag luam, ua tib zoo saib xyuas cov pa phem ntawm cov lag luam loj thiab nruab nrab, thiab ntxiv dag zog rau kev tswj hwm ib puag ncig ntawm cov lag luam me thiab nruab nrab. Peb yuav txuas ntxiv siv cov kev tshaj tawm thiab kev sau npe, kev them nyiaj thiab daim ntawv tso cai rau kev tso tawm cov pa phem los ntawm cov chaw lag luam, ntxiv dag zog rau kev saib xyuas cov pa phem, ua qauv dej phwj tuaj, tsis tu ncua saib xyuas kev lag luam ntawm cov chaw kho dej khib nyiab, thiab tshem tawm cov khoom qub. muaj peev xwm ntau lawm, txheej txheem thiab khoom siv. Cov phiaj xwm tshiab yuav raug tswj xyuas nruj thiab pom zoo raws li qhov yuav tsum tau ua rau tag nrho cov pa paug paug tswj.
Txhim kho cov kav dej phwj tuaj thiab txhawb kev ua haujlwm ntawm cov chaw kho dej khib nyiab Ua kom tsim nyog rau kev hloov kho rau cov dej phwj tuaj, rov txiav txim siab txog cov dej phwj tuaj, cov txheej txheem them nqi thiab nws cov kev tswj hwm thiab siv cov hauv paus ntsiab lus, tsim kom muaj cov dej phwj tuaj tshiab, kom cov txheej txheem them nqi thiab cov kev tswj hwm thiab siv cov qauv, tsim kom muaj cov dej phwj tuaj tshiab. dej phwj system yog qhov zoo rau kev ua haujlwm ntawm cov chaw kho dej khib nyiab los ntawm cov lag luam.
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Kev ntsuas kev tiv thaiv thiab tswj kev lag luam pov tseg dej paug
1. Kev txhim kho khoom: kho cov qauv khoom thiab optimize cov khoom formula muaj pes tsawg leeg;
2. Kev tswj cov khoom pov tseg: lub zog, cov khoom siv raw thiab cov txheej txheem ntau lawm optimization, txheej txheem cov cuab yeej transformation thiab innovation
3. Kev siv tag nrho cov pov tseg: rov ua dua thiab rov siv dua;
4. Txhim kho kev tswj hwm kev tsim khoom: kev ua haujlwm tom qab lub luag haujlwm, kev cob qhia cov neeg ua haujlwm, kev tshuaj xyuas qhov system), kev ua haujlwm davhlau ya nyob twg (kev txiav txim siab txog qib kev ua haujlwm - kev siv thev naus laus zis thiab kev ua kom zoo tshaj plaws - cov txheej txheem teem sijhawm
Kev lag luam dej khib nyiab rov siv dua
Kev kho dej khib nyiab thiab rov siv dua yog ib qho tseem ceeb ntawm kev txuag dej, uas tuaj yeem cuam tshuam nrog kev ua kom txias, tshauv tshem tawm, dej ntws, cua sov thiab lwm yam. Cov dej txias txias yog siv rau hauv kev ncig, ib kauj ruam los ntawm kauj ruam thiab cascade raws li cov dej sib txawv ntawm qhov system. Thermal system feem ntau yog siv rau chav rov qab thiab siv. Cov kua dej ntawm lwm cov tshuab yog tsuas yog siv rau hydraulic tshauv thiab slag tshem tawm tom qab kev kho mob, thiab lwm yam dej rau kev tsim khoom thiab kev ua neej yog ntxiv kho raws li cov dej teb rau cov cua txias.
Feem ntau cov chaw lag luam muaj cov chaw kho dej phwj tuaj, tab sis tsuas yog cov dej khib nyiab ntau lawm thiab cov dej phwj hauv tsev tom qab tso tawm ncaj qha, tsuas yog ob peb lub tuam txhab tuaj yeem kho cov dej khib nyiab thiab rov siv dua, tab sis cov khoom siv rov ua dua tsis siab, ua rau cov dej khib nyiab loj. Yog li ntawd, cov dej phwj tuaj thiab cov dej khib nyiab kho ntawm cov tuam txhab lag luam tuaj yeem rov qab siv tau, tshwj xeeb tshaj yog rau cov txheej txheem tsim khoom, uas muaj peev xwm ua tau zoo.
Hauv kev tsim thiab kev lag luam ntawm cov lag luam, raws li qhov sib txawv ntawm cov dej zoo hauv txhua txoj kev, kev siv cov dej tuaj yeem ua tiav mus rau qhov siab tshaj plaws, kom txhua txoj kev tau txais qhov nws xav tau, thiab kev siv dej cascade tuaj yeem ua tau. ua tiav, thiaj li yuav txo tau cov dej tshem tawm thiab txo cov dej phwj tuaj; Cov kev kho dej sib txawv kuj tuaj yeem ua raws li cov khoom sib txawv ntawm cov dej phwj tuaj thiab cov dej khib nyiab, uas tuaj yeem siv rau hauv cov txheej txheem tsim khoom sib txawv, txhawm rau txo cov dej tshiab thiab txo cov dej phwj tuaj.
![19 tx3](https://ecdn6.globalso.com/upload/p/971/image_other/2024-04/662b0d154f21a25392.jpg)
Kev txuag dej muaj peev xwm ntawm kev kho dej khib nyiab thiab rov siv dua yog qhov zoo. Cov khoom siv thauj mus los tsim kev lag luam, tuaj yeem ua cov dej khib nyiab oily, electrophoresis pov tseg dej, txiav cov dej khib nyiab thiab ntxuav cov dej khib nyiab, rov ua dua tshiab rau ntsuab, nyob lwm yam thiab ntau lawm. Nyob rau hauv cov txheej txheem ntawm cov organic ntau lawm nyob rau hauv kev lag luam petrochemical, lub chav condensate tuaj yeem siv dua thiab siv los ua cov dej ntxiv ntawm cov kab ke. Cov dej zoo siv rau kev tsim khoom yog rov ua dua tshiab thiab siv los ua dej ntxiv rau hauv lub cev; Tsis tas li ntawd tuaj yeem ua rau cov khoom siv rov qab siv dej tob, cov dej kho raws li cov dej ntws; Qee qhov txias txias thiab qhov tshwj xeeb xav tau cov txheej txheem dej txias, tab sis cov dej rov siv dua tuaj yeem txiav txim siab. Textile luam ntawv thiab dyeing kev lag luam yog kev lag luam kev lag luam nrog kev siv dej loj. Cov dej khib nyiab tawm los ntawm cov txheej txheem ntau lawm hauv cov txheej txheem tsim khoom tuaj yeem kho thiab rov qab siv dua hauv cov txheej txheem no, lossis tag nrho cov dej khib nyiab tuaj yeem raug kho hauv nruab nrab thiab rov siv dua tag nrho lossis ib feem. Kev lag luam npias tuaj yeem nruab condensate rov qab ntaus ntawv, txo cov dej boiler zoo; Lub raj mis ntxuav dej ntawm lub tshuab nqus tsev rhiav tuaj yeem rov ua dua rau alkali Ⅰ, alkali Ⅱ dej ntawm lub tshuab ntxhua khaub ncaws, dej ntawm lub tshuab kom tsis muaj menyuam, cov khoom siv thiab cov tshuaj tua kab mob, thiab lwm yam. Cov dej ntau lawm yog kho thiab precipitated, pumped rau txhua qhov dej taw tes los ntawm siab, tuaj yeem siv rau boiler pob zeb plua plav tshem tawm thiab desulfurization, slag, tso quav tso quav, tshuaj ntsuab thiab dej tsis zoo, kev ntxuav tsheb, kev tsim kho dej, thiab lwm yam. Cov nplej leaching cov dej khib nyiab tuaj yeem kho thiab rov siv dua rau boiler plua plav tshem tawm thiab desulfurization.
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