Cov lim dej ua lub luag haujlwm tseem ceeb hauv kev lag luam niaj hnub no, lub neej thiab thev naus laus zis. Los ntawm kev ua kom huv ntawm cov dej haus hauv lub neej txhua hnub mus rau kev ua kom huv ntawm cov khoom siv tshuaj lom neeg hauv kev tsim khoom, mus rau kev tshuaj xyuas cov ntaub ntawv hauv kev ua cov ntaub ntawv, cov ntxaij lim dej yog nyob txhua qhov chaw. Txhawm rau nkag siab tob txog kev ua haujlwm thiab kev ua haujlwm ntawm cov ntxaij lim dej, nws yog ib qho tseem ceeb heev kom paub meej lawv cov ntsiab lus sab hauv.
Cov ntsiab lus
1. Lim cov khoom siv
(I) Cov khoom siv fiber ntau
(II) Cov ntaub ntawv ntxeem tau
2. Cov ntsiab lus ua haujlwm
(I) Cov khoom siv hlau nplaum
(II) Ion txauv resins
3. Kev txhawb nqa thiab cov qauv tsim
(I) Hlau ncej
(II) Sealing nplhaib
4. Kev lag luam cov ntaub ntawv kev nkag siab
(I) Kev lag luam loj
(II) Lim cov khoom xav tau sib qhia
5. Txoj kev loj hlob ntawm cov khoom lim
(I) Siab- kev tshawb fawb thiab kev txhim kho cov ntaub ntawv ua tau zoo
(II) Kev txawj ntse thiab kev sib koom ua ke
(III) Kev siv cov khoom ntsuab thiab ib puag ncig tus phooj ywg
(I) Cov khoom siv fiber ntau
Synthetic fibers: Polyester fibers thiab polypropylene fibers feem ntau yog siv nyob rau hauv cov ntxaij lim dej ntawm hluavtaws fibers. Polyester fibers muaj cov yam ntxwv ntawm lub zog siab, hnav tsis kam, thiab tshuaj tiv thaiv corrosion. Lawv tau siv dav hauv cov lim cua thiab tuaj yeem cuam tshuam cov pa phem xws li plua plav thiab paj ntoos hauv huab cua. Piv txwv li, nyob rau hauv lub qhov cua ntawm cov nroj tsuag muaj, nruab nrab -efficiency cua lim ua los ntawm polyester fibers yuav lim tawm hais nrog ib tug particle loj dua 1 micron, nrog ib tug pom efficiency txog li 85%. Polypropylene fibers feem ntau siv rau hauv cov dej lim dej vim lawv cov tshuaj lom neeg ruaj khov thiab hydrophobicity, thiab tuaj yeem tshem tawm cov teeb meem tshem tawm, colloids thiab lwm yam impurities hauv dej. Nyob rau hauv lub pretreatment theem ntawm dej phwj kho nroj tsuag, polypropylene fiber lim yuav txo tau cov concentration ntawm tshem tawm cov teeb meem nyob rau hauv cov dej nyoos los ntawm 100mg / L mus txog 20mg / L.
Natural fibers: Ntuj fibers xws li paj rwb thiab ntaub plaub kuj siv tau los ua cov ntaub ntawv lim. Paj rwb fibers yog pheej yig thiab dav, thiab yog siv nyob rau hauv tej yam yooj yim kua filtration scenarios. Piv txwv li, thaum ua cov cawv txiv hmab hauv tsev, cov paj rwb tuaj yeem siv los lim tawm cov seem hauv cov cawv. Wool fiber muaj qee qhov muaj peev xwm adsorption thiab tuaj yeem siv los lim cov khoom xws li roj. Nyob rau hauv cov khoom siv roj pom ntawm cov khoom noj me me, cov ntaub qhwv fiber ntau tuaj yeem tshem tawm cov impurities hauv cov roj thiab ua kom pom tseeb ntawm cov roj edible.
(II) Cov ntaub ntawv ntxeem tau
Ceramics: Cov khoom siv ceramic yog cov yam ntxwv ntawm qhov kub thiab txias, tiv thaiv corrosion, thiab siab mechanical zog, thiab lawv ua tau zoo nyob rau hauv cov teb ntawm high -kub gas filtration thiab siab - kua filtration. Piv txwv li, nyob rau hauv lub siab -kub flue gas purification nyob rau hauv lub steel smelting kev lag luam, ceramic lim tuaj yeem ua haujlwm ruaj khov nyob rau hauv qhov chaw kub siab tshaj 800 degree, zoo lim tawm cov plua plav hauv cov roj flue, kom cov roj flue emission concentration raws li cov qauv kev tiv thaiv ib puag ncig (tsawg dua 50mg / m³). Hauv kev pom cov tshuaj ua kua hauv kev lag luam kws tshuaj, cov lim dej ceramic tuaj yeem ua tiav siab - pom tseeb, cuam tshuam cov kab mob thiab cov impurities nrog qhov me me ntawm tsawg dua 0.1 microns, thiab ua kom cov purity thiab kev nyab xeeb ntawm cov tshuaj ua kua.
Cov pa roj carbon activated: Cov pa roj carbon activated muaj cov qauv pore nplua nuj thiab thaj chaw loj loj, thiab muaj peev xwm adsorption muaj zog. Nws yog dav siv nyob rau hauv cov teb ntawm huab cua purification thiab dej purification. Nyob rau hauv cov huab cua purifiers, activated carbon lim tau zoo adsorb teeb meem gases xws li formaldehyde thiab benzene, txo cov concentration ntawm teeb meem gases nyob rau hauv lub chav tsev. Kev sim cov ntaub ntawv qhia tau hais tias nyob rau hauv lub tshiab renovated chav, kev siv cov activated carbon lim yuav txo tau formaldehyde concentrations ntawm 0.3mg/m³ mus rau hauv qab no 0.1mg/m³ nyob rau hauv 24 teev. Hauv kev kho dej haus, activated carbon lim tuaj yeem tshem tawm cov ntxhiab tsw, pigments, thiab qee cov organic paug hauv dej, txhim kho saj thiab zoo ntawm cov dej haus.
Cov ntsiab lus ua haujlwm
(I) Cov khoom siv hlau nplaum
Cov khoom siv hlau nplaum ua lub luag haujlwm tseem ceeb hauv kev pom cov kua dej uas muaj ferromagnetic impurities. Piv txwv li, hauv kev txiav cov kua dej ntawm kev lag luam hlau, cov hlau nplaum ua los ntawm cov hlau nplaum ruaj khov lossis cov hlau nplaum tuaj yeem nqus cov hlau nplaum sai sai xws li cov ntaub ntawv hlau thiab hlau hmoov hauv cov kua txiav, ua kom cov kua txiav kom huv si, thiab txuas ntxiv nws lub neej kev pab cuam. Raws li kev txheeb cais, tom qab siv cov ntxaij lim dej sib nqus, qhov hloov pauv ntawm cov kua dej tuaj yeem txuas ntxiv los ntawm thawj 1 lub hlis mus rau 3-4 lub hlis, txo cov nqi tsim khoom. cov
(II) Ion txauv resin
Ion txauv resin yog cov khoom siv polymer nrog ion pauv kev ua haujlwm, uas feem ntau siv hauv kev kho dej. Lub zog acidic cation txauv resin tuaj yeem tshem tawm calcium, magnesium thiab lwm yam ions hauv dej, txo cov dej tawv, thiab tiv thaiv kev tsim cov nplai. Hauv kev kho dej boiler, tom qab kev kho nrog ion txauv resin lim, qhov nyuaj ntawm cov dej tuaj yeem raug txo los ntawm 300mg / L (xws li calcium carbonate) kom qis dua 50mg / L, tiv thaiv cov khoom siv boiler thiab txo cov nqi kho. Muaj zog alkaline anion txauv resin tuaj yeem tshem tawm cov anions xws li chloride ions thiab sulfate ions hauv dej los txhim kho cov dej huv.
Kev txhawb nqa thiab cov qauv tsim
(I) Hlau ncej
Cov thav duab hlau muab cov qauv kev txhawb nqa rau lub lim kom ntseeg tau tias cov khoom siv lim tau ruaj khov thaum lub sijhawm ua haujlwm. Stainless hlau thav duab yog dav siv nyob rau hauv cov ntxaij lim dej nyob rau hauv cov tshuaj, khoom noj khoom haus thiab lwm yam lag luam vim lawv corrosion kuj thiab siab zog. Piv txwv li, hauv cov ntxaij lim dej hauv cov khoom noj thiab dej haus cov kab ntau lawm, stainless hlau thav duab tuaj yeem tiv taus qhov kub thiab txias kom ntseeg tau tias kev ua haujlwm zoo ntawm cov lim dej hauv qhov chaw tsim khoom nyuaj. Aluminium alloy thav duab muaj qhov zoo ntawm lub teeb yuag thiab tus nqi qis, thiab feem ntau yog siv rau hauv qee qhov cua lim uas xav tau qhov hnyav, xws li cov tshuab cua txias hauv tsheb.
(II) Sealing nplhaib
Lub nplhaib sealing yog lub hauv paus tseem ceeb los xyuas kom meej lub sealing ntawm lub lim kom tsis txhob muaj dej los yog roj los ntawm kev xau thaum lub sij hawm pom. Silicone rubber sealing rings muaj qhov kub thiab txias tsis kam thiab tuaj yeem siv rau hauv qhov kub ntawm -60℃txog 250 degree. Lawv haum rau lim sealing nyob rau hauv qhov kub thiab txias ib puag ncig. Fluororubber sealing rings muaj cov tshuaj tiv thaiv corrosion zoo heev thiab ua lub luag haujlwm tseem ceeb hauv cov ntxaij lim dej uas tuaj yeem tiv nrog cov xov xwm corrosive xws li muaj zog acids thiab alkalis.
Cov ntaub ntawv qhia kev lag luam
(I) Kev lag luam loj
Raws li kev txheeb cais los ntawm cov chaw tshawb fawb kev lag luam, lub ntiaj teb lim lag luam loj yuav ncav cuag US $ 45 nphom hauv 2023 thiab xav tias yuav loj hlob mus txog US $ 65 nphom los ntawm 2028, nrog rau kev loj hlob txhua xyoo ntawm 7.5%. Ntawm lawv, kev lag luam lim dej hauv kev lag luam suav nrog qhov loj tshaj plaws, nce mus txog 40%, thiab feem ntau yog siv hauv petrochemical, fais fab, metallurgy thiab lwm yam lag luam. cov
(II) Xav tau cov khoom siv lim dej
Hauv kev lag luam lim cov khoom lag luam, qhov kev thov rau cov khoom siv hluavtaws muaj txiaj ntsig zoo tshaj plaws, nce mus txog 35%, feem ntau yog vim nws daim ntawv thov dav hauv huab cua pom thiab pom dej. Qhov kev thov rau activated carbon cov ntaub ntawv account rau 20%. Raws li tib neeg cov kev xav tau rau huab cua thiab dej zoo txuas ntxiv mus ntxiv, nws cov kev xav tau ntawm kev lag luam qhia txog kev loj hlob tsis tu ncua. Qhov kev thov rau cov ntaub ntawv ceramic suav txog 15%, thiab nws daim ntawv thov nyob rau hauv siab - kub thiab siab - qhov tseeb pom cov teb yog maj mam nce.
| Element qeb | Cov ntaub ntawv tshwj xeeb | Kev ua lag luam xav tau feem | Cov cheeb tsam tseem ceeb ntawm daim ntawv thov |
| Lim cov khoom qeb | Polyester fiber ntau | 20% | Air filtration (cov nroj tsuag kev lag luam, kev lag luam hauv tsev qhov cua) |
| Polypropylene fiber ntau | 15% | Kev lim dej (kev kho dej khib nyiab, kev kho dej ua ntej) | |
| Ceramics | 15% | High-kub roj pom (steel smelting, cement ntau lawm), siab -precision kua filtration (pharmaceuticals, electronics) | |
| Cov pa roj carbon activated | 20% | Cua purification (sab hauv tsev, tsheb), dej purification (kev kho dej haus, dej phwj kho) | |
| Functional element class | Cov khoom siv hlau nplaum | 8% | Hlau ua, txiav kua lim rau machinery manufacturing |
| Ion txauv resin | 10% | Kev kho dej (dej boiler, kev npaj dej ntshiab) | |
| Kev txhawb nqa thiab cov qauv tsim | Stainless hlau ncej | 6% | Cov lim dej rau kev lag luam chemical, zaub mov thiab dej haus |
| Aluminium alloy ncej | 4% | Tsheb cua txias lim, tsev cua purifiers | |
| Silicone roj hmab foob nplhaib | 3% | Lim cov ntsaws ruaj ruaj nyob rau hauv qhov chaw kub thiab tsis kub | |
| Fluororubber foob nplhaib | 2% | Lim cov ntsaws ruaj ruaj nyob rau hauv kev sib cuag nrog corrosive media xws li muaj zog acids thiab alkalis |
Txoj kev loj hlob ntawm cov khoom lim
(I) Kev tshawb nrhiav thiab kev txhim kho cov khoom siv ua haujlwm siab -
Nrog rau kev txhim kho tas mus li ntawm cov kev xav tau ntawm ntau yam kev lag luam rau kev pom qhov tseeb, kev ua haujlwm zoo thiab kev ruaj ntseg, kev tshawb fawb thiab kev loj hlob ntawm siab -cov ntaub ntawv lim tau ua tau zoo. Piv txwv li, cov ntaub ntawv nanofiber muaj kev pom zoo dua thiab qis dua vim lawv cov qauv nanoscale pore tshwj xeeb, thiab yuav tsum tau siv dav hauv kev pom huab cua thiab dej pom. Cov ntaub ntawv lim dej tshiab sib xyaw ua ke cov khoom zoo ntawm cov khoom sib txawv kom tau raws li qhov xav tau ntawm kev pom nyob rau hauv kev ua haujlwm nyuaj.
(II) Kev txawj ntse thiab kev sib koom ua ke
Nyob rau hauv lub neej yav tom ntej, cov ntsiab lus nyob rau hauv lub lim yuav tsim nyob rau hauv cov kev taw qhia ntawm kev txawj ntse thiab kev ua hauj lwm kev koom ua ke. Cov lim hlau nplaum sib xyaw ua ke nrog lub sensor los saib xyuas cov ntsiab lus ntawm cov hlau nplaum impurities hauv cov kua hauv lub sijhawm tiag tiag thiab tuaj yeem kho qhov pom kev siv. Cov ion txauv resin lim ua ke nrog Internet ntawm Tej yam thev naus laus zis tuaj yeem saib xyuas qhov sib pauv peev xwm ntawm cov resin, ceeb toom raws sijhawm hloov lossis rov tsim dua tshiab, thiab txhim kho kev kho dej.
(III) Kev siv cov khoom ntsuab thiab ib puag ncig tus phooj ywg
Tawm tsam keeb kwm yav dhau los ntawm kev paub txog ib puag ncig, kev siv cov khoom siv lim dej ntsuab thiab ib puag ncig tus phooj ywg yuav maj mam nce. Biodegradable natural fiber cov ntaub ntawv thiab cov khoom siv hluavtaws rov ua dua tshiab yuav tau txais kev saib xyuas ntau dua los txo qhov cuam tshuam ntawm cov pov tseg tom qab siv cov lim dej ntawm ib puag ncig.