Hauv kev kho dej khib nyiab,PSAthiabVPSAoxygen systems ob leeg siv molecular sieve adsorption los cais cov pa oxygen los ntawm huab cua, tab sis lawv lub voj voog siab, cov khoom siv cua, cov txheej txheem tsim dua tshiab, thiab kev sib koom ua ke hauv qab sib txawv.
PSAsiv compressed cua rau pressurized adsorption thiab ib txwm cia siab rau depressurization rau regeneration.VPSAsiv lub tshuab nqus tsev los muab cov cua ntawm qhov qis dua thiab siv lub tshuab nqus tsev twj los pab desorption. Cov kev sib txawv no cuam tshuam rau lub qhov hluav taws xob oxygen siab, kev siv hluav taws xob, kev teeb tsa cov cuab yeej, kev xav tau ntawm kev teeb tsa, thiab kev sib raug zoo nrog lub tshuab aeration.
Rau cov nroj tsuag kho dej khib nyiab, kev xaiv yuav tsum yog raws li qhov xav tau ntawm cov pa oxygen, aeration phiab qhov tob, diffuser siab, sijhawm ua haujlwm, qhov chaw teeb tsa, cov khoom siv hluav taws xob, thiab cov khoom siv oxygen xav tau.
PSA Oxygen Technology hauv Kev Kho Dej Dej
A PSAoxygen generator feem ntau ua ke cov cua compressor, cov cuab yeej siv huab cua huv, cov hlab ntsha adsorption, hloov li qub, cov khoom siv oxygen tsis siv neeg, sensors, thiab kev tswj tsis siv neeg.
Cov txheej txheem tuaj yeem muab faib ua ob peb theem:
- Atmospheric cua yog compressed.
- Cov khoom lim thiab ziab kom qhuav tshem tawm cov kab mob thiab ya raws.
- Kho compressed cua nkag mus rau hauv molecular sieve txaj.
- Nitrogen yog qhov nyiam tshaj plaws adsorbed.
- Oxygen-enriched gas tawm ntawm lub nkoj adsorption.
Lub txaj saturated yog depressurized rau regeneration.
Lub kaw lus tswj tau hloov cov pa roj ntawm cov hlab ntsha adsorption.
Cov hlab ntsha adsorption ua haujlwm cyclically, yog li ib lub nkoj tuaj yeem tsim cov pa oxygen thaum lwm tus tab tom rov tsim dua tshiab. Qhov kev npaj no muab cov pa oxygen txuas ntxiv rau cov khoom siv hauv qab.
Hauv kev kho dej khib nyiab,PSAoxygen tuaj yeem txuas nrog cov kav dej oxygen, diffusers, oxygenation systems, lossis lwm yam khoom siv roj hloov. Lub qhov hluav taws xob qhov hluav taws xob yuav tsum tau muab piv nrog cov diffuser submergence qhov tob, cov kav dej siab poob, li qub, thiab lwm yam kev tiv thaiv qis.
NEWTEK's luam tawm PSA cov ntaub ntawv oxygen teev cov pa oxygen tsim los ntawm1-300 Nm³ / h, oxygen purity ntawm93% ±3%, thiab oxygen siab ntawm0.01-0.5 MPa, nyob ntawm qhov system configuration.
VPSA Oxygen Technology hauv Kev Kho Cov Dej Num
VPSAsiv tib lub hauv paus ntsiab lus adsorption tab sis hloov lub voj voog siab thiab kev npaj huab cua.
Ib yamVPSAqhov system muaj:
- Cua tshuab
- Cov khoom siv cua lim
- Adsorption hlab ntsha
- Lub tshuab nqus tsev twj
- Hloov cov li qub
- Cov khoom siv pa oxygen
- Siab thiab nqus sensors
- Tsis siv neeg tswj qhov system
Cov txheej txheem kev khiav hauj lwm feem ntau ua raws li cov kab ke no:
Lub blower muab cua atmospheric rau lub nkoj adsorption.
Nitrogen yog adsorbed los ntawm molecular sieve.
Oxygen-enriched gas tawm ntawm lub txaj adsorption.
Lub nkoj adsorption yog depressurized.
Lub tshuab nqus tsev twj tso kua mis txo lub txaj siab ntxiv.
Adsorbed nitrogen yog tshem tawm los ntawm molecular sieve.
Lub txaj rov qab mus rau theem adsorption.
Qhov sib txawv loj ntawm PSA yog li ntawd tsis yog lub molecular sieve nws tus kheej, tab sis txoj kev siab raug tsim thiab tshem tawm thaum lub sij hawm adsorption-regeneration voj voog.
VimVPSAib txwm ua haujlwm nrog kev xa cov pa oxygen qis dua, cov khoom xa hluav taws xob qis qis yuav tsum tau tsim kom haum.
PSA vs VPSA: Main Engineering Sib txawv
| Parameter | PSA Oxygen | VPSA Oxygen |
|---|---|---|
| Cov khoom siv cua tshuab | Cua compressor | Cua tshuab |
| Adsorption mob | Pressurized | Tsawg siab |
| Txoj kev rov tsim dua tshiab | Depressurization / desorption | Nqus-pab desorption |
| Lub tshuab nqus tsev twj | Feem ntau tsis tas yuav tsum tau | Yuav tsum tau |
| Oxygen qhov hluav taws xob siab | Feem ntau haum rau kev faib tawm siab dua | Feem ntau haum rau kev xa khoom qis dua |
| Main khoom siv hluav taws xob | Compressor | Blower thiab lub tshuab nqus tsev twj |
| Qhov tseem ceeb tsim teeb meem | Compressed-cua siab thiab kho | Blower / nqus sizing thiab qis-siab oxygen xa |
| Kev xav tau hauv qab | Muaj peev xwm ua kom haum cov pa oxygen xa tawm | Yuav tsum tau sib xws nrog qis-siab oxygen system |
Kev sib piv yuav tsum tsis txhob ua raws li cov pa purity los yog lub tshuab hluav taws xob xwb. Kev sib raug zoo ntawm lub tshuab hluav taws xob thiab cov khoom siv aeration yog qhov tseem ceeb sib npaug.
Oxygen Demand yog qhov kev xaiv loj
Cov chaw kho dej khib nyiab feem ntau suav cov pa oxygen xav tau los ntawm kev thauj khoom lom neeg, ammonia oxidation yuav tsum, yaj cov pa oxygen, dej kub, dej khib nyiab, thiab kev ua haujlwm ntawm cov roj ntsha reactor.
Piv txwv li, cov txheej txheem activated-sludge yuav xav tau kev hloov pauv oxygen mus rau hauv lub phiab aeration. Cov txheej txheem tsim cov pa oxygen yuav tsum yog qhov loj me raws li qhov xav tau cov pa oxygen txaus ntau dua li tsuas yog xaiv lub tshuab hluav taws xob raws li nws cov roj nominal ntws.
Lub chaw kho mob loj dua tuaj yeem xav tau ntau lub tshuab tsim cov pa oxygen ua haujlwm ua ke. Qhov no tso cai rau lub kaw lus kom phim cov pa oxygen nrog kev hloov pauv hauv cov khoom siv roj ntsha, cov dej khib nyiab raws caij nyoog, lossis kev hloov pauv hauv aeration xav tau.
Rau kev teeb tsa me me lossis nruab nrab,PSAtej zaum yuav muab kev teeb tsa yooj yim dua thaum cov pa oxygen siab kuj xav tau. Rau cov ntawv thov loj uas muaj cov pa oxygen tsawg tuaj yeem txuas ncaj qha rau lub tshuab aeration, VPSA dhau los ua lwm txoj hauv kev tseem ceeb rau kev ntsuam xyuas engineering.
Oxygen Pressure cuam tshuam rau Aeration System Design
Oxygen yuav tsum kov yeej lub siab uas tsim los ntawm kev kho dej khib nyiab ua ntej nws tuaj yeem dhau los ntawm diffuser thiab nkag mus rau hauv dej.
Rau lub submerged diffuser, qhov yuav tsum tau roj siab yog cuam tshuam los ntawm:
- Dej tob
- Diffuser kev khiav hauj lwm siab
- Cov kav dej ntev
- Txoj kab uas hla
- Valves thiab fittings
- Gas ntws tus nqi
Kev poob siab los ntawm diffuser
Ib qho kev sib sib zog nqus aeration phiab feem ntau yuav tsum muaj roj ntau dua ntawm lub diffuser inlet.
Qhov no yog qhov sib txawv tseem ceeb thaum piv PSA thiab VPSA. PSA tuaj yeem muab cov pa oxygen ntawm lub siab tsim nyog rau kev faib tawm, thaum VPSA feem ntau ua haujlwm nrog cov pa hluav taws xob qis dua.
Piv txwv li, yog tias lub tshuab hluav taws xob oxygen nyob deb ntawm qhov sib sib zog nqus aeration phiab, lub raj xa dej siab poob thiab diffuser siab yuav tsum raug xam ua ntej xaiv lub tshuab hluav taws xob qis.
Compressed-Air Quality thiab Molecular Sieve Protection
Ob lub tshuab yog nyob ntawm molecular sieve adsorption, yog li kev kho huab cua ncaj qha cuam tshuam rau lub txaj adsorption.
Roj, dej ua kua, paug paug, thiab dej noo ntau dhau tuaj yeem ua rau puas lossis paug cov khoom siv molecular sieve thiab ua kom lub siab poob los ntawm lub txaj adsorption. Cov kev kho cua yog li ntawd ib txwm suav nrog kev pom, kev sib cais ntawm cov dej noo, thiab cov cuab yeej ziab kom tsim nyog rau kev teeb tsa lub tshuab hluav taws xob.
PSA systems feem ntau muab qhov tseem ceeb dua rau compressed-air zoo vim tias huab cua hauv huab cua ua ntej dhau los ntawm compressor ua ntej nkag mus rau hauv cov hlab ntsha adsorption. Compressor tawm kub, roj nqa, cov dej noo, lim dej, thiab kev ua haujlwm ntawm lub tshuab ziab khaub ncaws yuav tsum tau saib xyuas.
VPSA cov tshuab siv lub tshuab cua tshuab cua tshuab, tab sis qhov no tsis tshem tawm qhov xav tau rau kev kho cua tshuab. Cov plua plav pom thiab tswj cov dej noo tseem ceeb heev vim tias cov kab mob tuaj yeem nkag mus rau hauv lub txaj molecular sieve thiab cuam tshuam rau lub peev xwm adsorption.
Rau ob qho tib si thev naus laus zis, kev hloov pauv molecular sieve yuav tsum raug suav hais tias yog ib qho khoom siv txij nkawm es tsis yog ib qho khoom siv tsis muaj hnub kawg.
Kev siv hluav taws xob muaj ntau qhov chaw
Hluav taws xob load ntawm PSA thiabVPSAlos mas los ntawm cov khoom sib txawv.
Cov hluav taws xob loj loj feem ntau yog los ntawm huab cua compressor. Nws lub zog yuav tsum tau nyob ntawm:
- Yuav tsum tau compressed-cua siab
- Cua ntws
- Compressor efficiency
- Lub sijhawm ua haujlwm
- Lub tshuab ziab khaub ncaws thiab cov cuab yeej pabcuam
VPSA ib txwm faib nws cov hluav taws xob loj ntawm lub tshuab cua tshuab thiab lub tshuab nqus tsev twj. Lawv cov kev xav tau nyob ntawm:
- Cua ntws
- Adsorption siab
- Nqus theem
- Lub tshuab nqus tsev twj muaj peev xwm
- Lub sijhawm voj voog
- Pipeline thiab cov khoom siv siab poob
Rau kev yuav khoom, qhov sib piv muaj txiaj ntsig yogkev siv hluav taws xob tshwj xeeb rau ib chav tsev ntawm oxygen tsim, es tsis sib piv compressor thiab blower nameplate zog ib leeg.
Kev sib piv yuav tsum tau siv tib yam oxygen ntws, purity, lub sijhawm ua haujlwm, thiab qhov hluav taws xob-siab.
Kev koom ua ke nrog Cov Khoom Siv Hluav Taws Xob Aeration
Lub tshuab hluav taws xob oxygen tsuas yog ib feem ntawm cov pa oxygen-transfer system.
Ib tug ua tiav installation tej zaum yuav muaj xws li:
- Oxygen generator
- Oxygen tsis tank
- Kev faib cov kav dej
- Flow-control li qub
- Siab sensors
- Oxygen concentration sensors
- Dissolved oxygen sensors
- Fine-bubble lossis lwm yam khoom siv oxygen-transfer
- PLC / SCADA interface
Rau PSA, cov pa oxygen tsis tuaj yeem txo qhov cuam tshuam ntawm lub tshuab hluav taws xob caij tsheb kauj vab ntawm cov pa oxygen downstream. Cov ntsuas hluav taws xob tuaj yeem saib xyuas cov kab xa tawm, thaum cov pa oxygen sensors tuaj yeem saib xyuas cov khoom-gas concentration.
VPSA tseem tuaj yeem ua ke nrog kev cia cov pa oxygen thiab kev tswj tsis siv neeg, tab sis cov pa oxygen pipeline thiab cov khoom siv tswj cov dej ntws qis yuav tsum tau tsim nyob ib ncig ntawm nws qhov kev xa khoom qis.
Nyob qhov twg cov pa oxygen sensors txuas nrog rau cov nroj tsuag tswj cov kab ke, cov pa oxygen tuaj yeem hloov kho raws li cov khoom siv hluav taws xob tiag tiag es tsis ua haujlwm tsis tu ncua ntawm cov khoom tso tawm.
Kev tu qhov sib txawv
PSA kev saib xyuas muaj txiaj ntsig zoo nrog rau sab compressed-air. Cov ntsiab lus tshuaj xyuas muaj xws li cov roj compressor, huab cua lim, tshuab ziab khaub ncaws, li qub, sensors siab, oxygen sensors, thiab kev ua haujlwm molecular sieve.
VPSA txij nkawm hloov ib feem ntawm cov cuab yeej tsom mus rau lub tshuab nqus tsev thiab lub tshuab nqus tsev. Lub tshuab nqus tsev twj, cov ntsaws ruaj ruaj, lim, li qub, lub tshuab nqus tsev siab, thiab adsorption-txaj siab tus cwj pwm xav tau kev tshuaj xyuas tas li.
Rau ob qho tib si, kev poob siab tsis zoo, lub sijhawm ua haujlwm ntev dua, txo cov pa purity, tsis ruaj tsis khov oxygen txaus, thiab kev siv hluav taws xob ntau ntxiv tuaj yeem qhia tau tias muaj teeb meem hauv kev kho cua, hloov li qub, molecular sieve, sensors, lossis tswj kev ua ntu zus.
Txoj kev npaj kho yuav tsum yog li ntawd saib xyuas cov ntaub ntawv kev khiav hauj lwm es tsis yog cia siab rau kev hloov cov khoom siv tau teem tseg.
Cov Neeg Siv Khoom Siv Khoom Siv Hluav Taws Xob yuav tsum sib piv li cas?
Ib qho kev sib piv yuav tsum muaj ntau tshaj qhov muaj peev xwm ntawm lub tshuab hluav taws xob.
| Tus neeg yuav khoom Parameter | Engineering tseem ceeb |
|---|---|
| Oxygen ntws | Txiav txim siab adsorption-txaj txaj thiab cov cuab yeej muaj peev xwm |
| Oxygen purity | Txiav txim siab oxygen concentration muab rau cov txheej txheem |
| Qhov hluav taws xob siab | Yuav tsum ua raws li qhov xav tau ntawm diffuser thiab pipeline |
| Kev siv hluav taws xob tshwj xeeb | Tso cai rau kev sib piv ntawm lub zog ua haujlwm |
| Peak xav tau oxygen | Txiav txim siab lub tshuab hluav taws xob thiab tsis muaj peev xwm |
| Lub sijhawm ua haujlwm | Muaj feem cuam tshuam txog kev siv hluav taws xob txhua xyoo |
| Aeration phiab qhov tob | Kev cuam tshuam yuav tsum muaj roj siab |
| Pipeline nrug | Txiav txim siab qhov poob siab |
| Feed-air quality | Tiv thaiv molecular sieve thiab li qub |
| Chaw teeb tsa | Txiav txim xyuas cov khoom siv |
| Tswj interface | Txiav txim siab PLC/SCADA kev koom ua ke |
| Kev saib xyuas kev nkag | Muaj feem cuam tshuam rau lub sijhawm ua haujlwm thiab lub sijhawm poob |
| Yav tom ntej expansion | Txiav txim siab modular peev xwm |
Qhov zoo tshaj plaws kev yuav khoom sib piv yog vim li no raws li kev ua tiav oxygen-generation thiab oxygen-transfer system.
NEWTEK Oxygen Generation for Wastewater Treatment
NEWTEKtsom rau ntawm qhov chaw PSA oxygen thiab nitrogen tsim tshuab. Nws PSA oxygen configuration ua ke ua ke huab cua purification, zeolite molecular sieve adsorption, adsorption hlab ntsha, siab thiab oxygen sensors, tsis siv neeg tswj, roj piping, thiab oxygen cia / tswj Cheebtsam.
Rau kev siv dej khib nyiab, cov khoom siv tsis raug suav nrog cov pa oxygen txaus, purity, qhov hluav taws xob siab, qhov dej dew point, huab cua noj, cov yeeb nkab loj, thiab tswj kev teeb tsa. NEWTEK cov ntaub ntawv luam tawm PSA cov pa oxygen npog cov peev txheej ntawm 1 txog 300 Nm³ / h, nrog oxygen purity ntawm 93% ± 3%, oxygen siab ntawm 0.01-0.5 MPa, thiab atmospheric oxygen dew point range ntawm -40℃mus rau -75 degree.
Qhov tseeb system configuration yuav tsum tau txiav txim los ntawm cov dej khib nyiab cog qhov tiag tiag oxygen thov thiab aeration tej yam kev mob, ces matched nrog lub generator muaj peev xwm, oxygen siab, tswj system, thiab installation ib puag ncig.
