Ua kom koj chav RO ua haujlwm zoo dua
- Kev kho dej hauv paus Yuav ua li cas xaiv txoj cai RO membrane
Kev xaiv thiab tsim nyog sib piv ntawm RO daim nyias nyias txiav txim siab lub peev xwm ntawm RO cov khoom siv, thiab muaj ntau hom RO daim nyias nyias ntawm kev ua lag luam, thiab cov nqi kuj txawv heev. Tsuas yog qee qhov kev faib me me ntawm cov khoom siv tshwj xeeb nrog qee qhov kev ntxiv tus nqi (tus nqi dhau), cov nqi ntawm RO cov yeeb yaj kiab ntawm cov khoom siv ib txwm siv, cov qauv thiab daim ntawv thov scenarios ntawm cov tuam txhab feem ntau tau ua pob tshab thiab ruaj khov. Feem ntau hais lus, tus nqi ntawm cov khoom siv RO membrane yog me ntsis kim dua li ntawm cov khoom siv hauv tsev RO membrane, tab sis nws muaj qhov zoo me ntsis ntawm kev ruaj ntseg, kev pab lub neej, cov cim tseem ceeb (tus nqi desalination, dej tawm los, tus nqi rov qab) thiab lwm yam.
Cov ntaub ntawv siv tus neeg muag khoom: HID, Times Huitong, Dow, Hydeneng, Shihan
- Yam khoom (daim ntawv thov scenario):
Ultra-low pressure membrane caij: ultra-siab siabRO membrane caij tuaj yeem raug xaiv rau cov dej nkag TDS≤1000mg / L (ppm), uas yog tsim rau cov khoom noj ntsev ntsev ntau lawm, dej hauv nroog, kev npaj dej ntshiab, dej irrigation, dej theem ob ntawm ob-theem membrane system thiab lwm yam kev siv.
Ultra-low pressure membrane caij: ultra-siab siabRO membrane caij tuaj yeem raug xaiv rau cov dej nkag TDS≤1500mg / L, uas yog tsim rau kev kho desalination nrog cov kav dej hauv nroog thiab cov dej hauv av ua dej nyoos.
Tsawg-siab (dej brackish) membrane caij: dej brackish RO membrane caij tuaj yeem xaiv rau 2000≤TDS≤5000mg / L inlet dej, uas yog tsim rau desalination kev kho mob ntawm cov dej saum npoo av, dej hauv av, reclaimed dej raws li cov dej nyoos, thiab desalination ntawm cov dej brackish.
Tsawg (anti-) pa phem membrane caij: 2000≤ TDS≤8000mg / L inlet dej tuaj yeem xaiv cov pa phem RO membrane caij, haum rau lub zog hluav taws xob, steel, electroplating, petrochemical, thee chemical, luam ntawv thiab dyeing, papermaking, landfill leachate thiab lwm yam kev kho dej khib nyiab thiab cov dej rov qab siv dua.
Seawater membrane element: seawater desalination RO membrane caij tuaj yeem xaiv rau qhov muaj zog TDS≥10000mg / L, uas yog tsim rau kev kho dej hauv kev lag luam xws li cov ntsev ntsev ntau los yog cov dej khib nyiab, dej hiav txwv desalination, (ze) xoom paug, thiab lwm yam.
- Sib txawv series ntawm kev siv scenarios
XLP series: tsis tshua muaj siab membrane caij, feem ntau haum rau kev kho mob ntawm cov dej ntsev uas tsis tshua muaj ntsev cov ntsiab lus rau cov desalination qis, xws li cov dej saum npoo av, dej hauv av, dej kais dej thiab cov dej hauv nroog nrog cov ntsev ntsev tsawg dua 1000ppm, tshwj xeeb tshaj yog haum rau theem ob desalination ntawm ob-theem rov qab osmosis lure. Nws yog tsuas yog siv nyob rau hauv ntau yam teb xws li purified dej ntawm ntau yam scales, boiler make-up dej, zaub mov ua thiab kws manufacturing industries.
ULP series: ultra-low siab membrane caij, feem ntau haum rau kev kho desalination ntawm cov dej saum npoo av, dej hauv av, kais dej thiab cov dej hauv nroog nrog cov ntsiab lus ntsev ntawm li 2000ppm lossis tsawg dua, feem ntau yog siv hauv cov dej ntim, dej haus, boiler mov dej, khoom noj khoom haus thiab kev lag luam tshuaj thiab lwm yam kev lag luam.
LP series: low-pressure membrane caij, feem ntau haum rau cov dej brackish nrog cov ntsiab lus ntsev tsawg dua 10,000ppm, dej saum npoo av, dej hauv av, dej kais dej thiab lwm yam dej desalination, feem ntau yog siv rau ntau qhov ntim ntawm cov dej ntim, dej haus, dej ntshiab, dej purity siab, boiler pub dej npaj, kuj tseem siv tau rau cov dej khib nyiab rov qab siv dua, thiab cov khoom siv rov ua dua tshiab.
AF series: anti-fouling membrane caij, feem ntau haum rau kev kho desalination ntawm complex feed dej nrog ntsev cov ntsiab lus tsawg dua 10000 ppm, feem ntau yog siv rau desalination thiab cov dej ntshiab ntawm ntau lub pas dej thiab dej ntws, dej mine, dej hauv nroog, dej khib nyiab, RO concentrated dej, thiab lwm yam.
SW series: seawater membrane caij, feem ntau haum rau kev kho cov seawater thiab high-concentration Kuwei dej, yuav siv tau rau seawater desalination, high-concentration Kuwei dej desalination, lub hwj chim tiam boiler pub dej thiab lwm yam dej kev kho mob, kuj yuav siv tau rau cov dej khib nyiab rov qab siv, khoom noj khoom haus thiab tshuaj thiab lwm yam khoom muaj nqis ntxiv concentration thiab rov qab thiab lwm yam kev siv.
- Cov ntaub ntawv tseem ceeb ntawm rov qab osmosis membrane
Kev tsis lees txais ntsev: Tus nqi desalination ntawm RO membrane caij tau txiav txim siab thaum lub sijhawm tsim khoom, thiab tus nqi desalination nyob ntawm qhov ntom ntawm ultra-thin desalination txheej ntawm RO membrane caij, denser txheej desalination, siab dua desalination tus nqi, thiab qis dua cov dej ntau lawm. Lub desalination tus nqi ntawm RO membrane rau ntau yam yog txiav txim siab los ntawm cov qauv thiab molecular hnyav ntawm cov khoom, tus desalination tus nqi ntawm high-valent ions thiab complex monovalent ions muaj peev xwm tshaj 99%, thiab tus desalination tus nqi ntawm monovalent ions xws li sodium ions, poov tshuaj ions, thiab chloride ions yog me ntsis qis, tab sis nws kuj siv tau ntev dua lub sij hawm ntawm 8%, RO. qhov qis desalination tus nqi ntawm RO membrane) Qhov kev tshem tawm ntawm cov organic teeb meem nrog ib qho hnyav molecular ntau dua 100 kuj tuaj yeem muaj ntau dua 98%, tab sis qhov kev tshem tawm ntawm cov organic teeb meem nrog qhov hnyav molecular tsawg dua 100 yog qis dua.
Kev suav cov txheej txheem ntawm ntsev tsis lees paub tus nqi thiab ntsev permeability ntawm RO membrane:
ntsev permeability ntawm RO membrane = RO membrane permeate concentration / influent dej concentration × 100%
Desalination tus nqi ntawm RO membrane = (cov ntsiab lus ntsev ntawm permeate dej / ntsev cov ntsiab lus ntawm influent dej ntawm 1-RO membrane) × 100%
Dej Ntau Lawm: GPD = Gallons (US) / Hnub, GFD = Gallons (US) / ib square feet / hnub
Dej tawm los ntawm RO membrane - yog hais txog cov dej tawm los ntawm RO system, piv txwv li, tus nqi ntawm cov dej hla RO membrane ib chav tsev ntawm lub sij hawm, feem ntau qhia nyob rau hauv tonnes ib teev los yog gallons ib hnub twg. 1 nkas loos (US) = 3.785 liters, 1 cubic meter = 264.2 gallons (US).
Lub permeability ntawm RO membrane kuj yog ib qho tseem ceeb qhia txog cov dej tawm los ntawm RO membrane caij. Hais txog tus nqi ntws ntawm permeate ib chav tsev membrane cheeb tsam, feem ntau hais nyob rau hauv gallons ib square feet ib hnub twg (GFD). Tshaj osmotic txaus tus nqi yuav ua rau kom ceev cov dej ntws tawm perpendicular mus rau saum npoo ntawm RO membrane, uas yuav ua rau cov membrane fouling exacerbate.
Siab (qhov zoo tshaj plaws ua haujlwm siab): 1 kg siab = 1 bar ≈ 14.5 psi = taub hau 10m (tswj)
PSI (Pounds ib square inch) yog ib chav ntsuas. P yog hais txog phaus, S yog hais txog square, kuv hais txog ntiv tes, thiab Tebchaws Meskas yog siv los siv psi ua ib chav tsev, uas txhais tau hais tias phaus-force ib square inch.
Kev khiav hauj lwm siab ntawm RO daim nyias nyias yog feem ntau ntawm 2-20MPa, nyob ntawm seb yam xws li hom, qhov loj me, cov khoom siv, thiab cov dej zoo ntawm cov khoom siv membrane. Feem ntau, qhov siab dua ntawm kev khiav hauj lwm ntawm RO membrane, qhov siab dua qhov desalination efficiency, tab sis nws kuj ua rau muaj kev pheej hmoo ntawm cov khoom hnav thiab cov membrane fouling. Yog li ntawd, kev ua hauj lwm siab ntawm RO membrane yuav tsum tau tswj nyob rau hauv ib tug tsim nyog ntau yam los xyuas kom meej nws stability thiab lub neej
Hauv kev siv tswv yim, kev khiav hauj lwm siab ntawm RO daim nyias nyias yuav tsum tau kho raws li cov dej zoo thiab kev kho mob. Piv txwv li, hauv seawater desalination, kev ua haujlwm siab ntawm RO daim nyias nyias yog feem ntau ntawm 5-10MPa kom ua tiav kev ua haujlwm siab desalination thiab lub neej ntev. Hauv kev kho dej khib nyiab hauv kev lag luam, RO daim nyias nyias tuaj yeem ua haujlwm ntawm qhov siab dua los tiv thaiv cov dej tsis zoo thiab cov ntsev ntau dua.
Tus nqi rov qab: RO membrane rov qab - yog hais txog qhov feem pua ntawm cov dej pub rau hauv RO membrane system uas hloov mus rau hauv permeate lossis permeate. Nws raug txiav txim siab raws li qhov zoo ntawm cov dej ua ntej ua ntej thiab cov dej xav tau ntawm RO system. Tus nqi rov qab ntawm RO membrane system yog txiav txim siab thaum lub sijhawm tsim.
Rov qab tus nqi ntawm RO membrane = (permeate flow rate ntawm RO membrane / influent flow) × 100%