Daim Ntawv Thov Kev Siv Tshuaj Siv Hluav Taws Xob Hauv Online rau Fine Bubble Aerators hauv Kev Kho Dej Nroj Tsuag
Fine npuas aerators yog dav siv los ua cov khoom siv aeration hauv cov dej khib nyiab vim lawv cov qauv yooj yim, kev siv cov pa oxygen siab, kev ua haujlwm ruaj khov, txhaws - tiv thaiv qhov hws, tiv thaiv cov dej khib nyiab rov qab, tsis tu ncua kev ntxhov siab, lub neej ntev, kev txhim kho yooj yim thiab kev saib xyuas, thiab tus nqi qis. Raws li cov khoom tseem ceeb rau cov pa oxygen hauv kev kho cov dej khib nyiab, cov tshuab ua npuas zoo ua rau muaj kev cuam tshuam los ntawm fouling thiab biofilm thaum lub sijhawm ua haujlwm ntev -, ua rau muaj teeb meem loj rau kev tswj xyuas lawv cov kev ua tau zoo. Kev siv tshuaj tua kab mob hauv online muab kev daws teeb meem zoo rau qhov teeb meem no.
1. Kev tsim thiab kev phom sij ntawm Fine Bubble Aerator Clogging
Tom qab lub sijhawm ua haujlwm ntev, cov npuas aerators muaj qhov cuam tshuam rau kev txhaws, feem ntau categorized li "internal clogging" thiab "sab nraud clogging" raws li daim ntawv ntawm cov pa phem blockage. "Internal clogging" yog hais txog cov deposition ntawm nplua particles xws li colloidal hais thiab solute macromolecules los ntawm cov dej cawv sib tov nyob rau hauv lub pores, ua rau lub pore blockage. "External clogging" yog hais txog cov deposition ntawm scaling tshuaj nyob rau hauv daim nyias nyias ntawm cov dej sab. Hom kev thaiv no feem ntau ua rau cov pa tawm tsis tu ncua ntawm daim nyias nyias, ua rau muaj zog ntxiv ntawm daim nyias nyias thiab maj mam nce qhov pore loj. Nyob rau tib lub sijhawm, qhov no tuaj yeem ua rau daim nyias nyias nyias. Thaum cov kua muag membrane, qhov cuam tshuam txuas ntxiv los ntawm kev puas tsuaj ntawm aeration efficiency rau kev puas tsuaj ntawm lub cev, uas yuav tsum tau kaw rau kev kho lossis hloov aerator.
Clogging teeb meem nyob rau hauv zoo npuas aerators ua rau muaj kev pheej hmoo ua hauj lwm:
- Los ntawm kev xav txog kev siv hluav taws xob: Raws li aerators clog, pipeline siab nce, yuam blowers ua hauj lwm nyob rau hauv siab -load, siab - zog- noj tej yam kev mob. Qhov no ua rau kev siv hluav taws xob ntau ntxiv thiab tseem cuam tshuam rau lub tshuab lub neej.
- Los ntawm ib puag ncig kev pheej hmoo pom: Tsis sib npaug aeration txo cov pa oxygen hloov pauv, txwv cov txheej txheem tswj tau yooj yim, thiab tuaj yeem cuam tshuam rau cov dej tsis zoo hauv cov xwm txheej hnyav.
- Los ntawm kev xav txog tus nqi nyiaj txiag: Tus nqi ntawm phau ntawv tu tom qab tshem tawm cov tank yog siab.
- Los ntawm txoj kev nyab xeeb: Kev ceev kev ntxuav tom qab tshem tawm yuav tsum tau nkag mus rau hauv lub tank rau tshem tawm cov sludge, nrog rau qhov chaw nkag thiab hluav taws xob ua haujlwm ib ntus, yog li ua rau muaj kev pheej hmoo ntawm hluav taws xob thiab kev nyab xeeb ntawm tus kheej.Daim duab 1qhia cov sludge accumulation phenomenon los ntawm aerator clogging.
Yog li ntawd, tsis tu ncua tu thiab tu cov npuas aerators yog ib qho tseem ceeb los xyuas kom meej lawv cov kev ua tau zoo. Ib txwm siv aerator tu thiab tu txoj kev yuav tsum tau ua kom tiav ntawm cov tshuaj lom neeg tso tsheb hlau luam. Loj - kev tu thiab tu cov chaw kho dej khib nyiab tuaj yeem cuam tshuam rau kev kho cov dej khib nyiab thiab tso tawm, lossis xav tau kev pom zoo los ntawm tsoomfwv cov chaw haujlwm yog tias tau ua nyob rau hauv cov chaw tshwj xeeb (xws li cov cheeb tsam uas muaj cov kav dej hauv nroog lossis thaj chaw tiv thaiv dej haus). Cov txheej txheem no suav nrog ntau yam kev ua haujlwm txaus ntshai (piv txwv li, kev nkag mus hauv qhov chaw kaw) nrog ntau yam txaus ntshai thiab tsis zoo, ua rau muaj kev cuam tshuam loj nyiaj txiag thiab cov nqi peev xwm (xws li kev sib koom tes nrog tsoomfwv kev sib raug zoo, txo peev xwm kho thaum tu, kho dej kom zoo, muaj kev nyab xeeb txaus ntshai) ntawm cov chaw kho dej khib nyiab. Lub siab thiab cov teeb meem tshwm sim los ntawm kev khoob rau kev saib xyuas ua rau muaj peev xwm ua kom tsis tu ncua rau kev ntxuav aerator kuj tsis muaj zog.
Muab ntau qhov tsis zoo ntawm kev ntxuav phau ntawv ib txwm siv tom qab tshem tawm - tus nqi siab, kev pheej hmoo ua haujlwm siab, thiab kev ua haujlwm zoo tshaj plaws - tshawb fawb txog kev ntxuav hauv online ntawm cov npuas dej zoo siv cov khoom siv tshuaj tua kab hauv online nyob rau hauv cov huab cua ib txwm yog qhov tseem ceeb tshwj xeeb.
Txoj kev tshawb no tau xaiv ib txoj haujlwm cog ua qhov chaw sim teb rau kev siv tshuaj ntxuav hauv online. Cov nroj tsuag muaj peev xwm kho cov dej khib nyiab tag nrho ntawm 600,000 tons hauv ib hnub, tsim ua plaub theem. Qhov thib peb -theem project muaj peev xwm kho tau 100,000 tons hauv ib hnub, siv cov txheej txheem AAO; thib plaub-theem project muaj peev xwm kho tau 200,000 tons hauv ib hnub, siv cov txheej txheem MBR. Cov dej ntws zoo tau raws li Qib A tus qauv ntawm GB 18918-2002 "Tshem Tawm Cov Khoom Siv Hluav Taws Xob rau Kev Kho Dej Hauv Nroog". Kev ntxuav hauv online tau ua tiav ntawm cov npuas zoo hauv lub tank aerobic ntawm theem peb thiab plaub, uas tau ua haujlwm rau 6-7 xyoo.
2. Lub hauv paus ntsiab lus ntawm Kev Siv Tshuaj Siv Hluav Taws Xob Online
Cov cuab yeej siv tshuaj tua kab mob hauv online suav nrog kev ntxiv cov tshuaj tshwj xeeb rau lub tshuab aeration kom yaj lossis tawg cov tshuaj lom neeg los ntawm kev ua tshuaj lom neeg. Cov tshuaj no tuaj yeem yog acidic, alkaline, oxidizing, lossis chelate. Piv txwv li, qee cov kua qaub tuaj yeem yaj alkaline precipitates zoo li calcium carbonate, thaum oxidizing cov neeg ua haujlwm tuaj yeem decompose organic blockages tsim los ntawm cov kab mob.
2.1 Kev txheeb xyuas cov pa phem ntau
Cov pa phem adhering rau aerator qhov chaw muaj ntau haiv neeg, thiab lawv cov muaj pes tsawg leeg muaj feem xyuam nrog cov yam ntxwv ntawm cov dej khib nyiab, kev kho cov txheej txheem, thiab kev ua haujlwm. Common pollutants raug soj ntsuam raws li hauv qab no:
- Inorganic Pollutants: suav nrog calcium thiab magnesium compounds, sulfides, hlau oxides, thiab hydroxides, feem ntau yog los ntawm cov tshuaj nag lossis daus thiab ion supersaturation. Lawv cov kev cuam tshuam tseem ceeb ntawm aerators suav nrog pore clogging, txo qis aeration efficiency, nce zog siv zog, nce aeration tsis kam, thiab txo qis kev hloov pauv oxygen.
- Organic Pollutants: suav nrog microbial biofilm, tshem tawm cov organic hais, rog / roj, thiab cov organic colloids. Microbial biofilm feem ntau tsim los ntawm microbial colonization thiab extracellular polymeric tshuaj (EPS) adhesion. Nws cov kev phom sij suav nrog kev tsim anaerobic microenvironments thiab tso cov pa phem (xws li, H₂S). Organic colloids tsim vim muaj kev sib cuam tshuam hydrophobic thiab electrostatic adsorption, tsim cov txheej hydrophobic uas cuam tshuam cov roj tso tawm thiab cuam tshuam rau aeration uniformity.
- Composite Pollutants (Inorganic-Organic Mixed Scale): suav nrog cov tshuaj lom neeg lom neeg- cov tshuaj sib xyaw ua ke thiab cov sludge particle txuas, feem ntau yog tsim los ntawm kev nkag mus rau lub cev thiab tshuaj sib txuas. Lawv cov teebmeem muaj xws li npog lub aerator nto, txo qhov chaw aeration zoo, ua kom cov khoom siv nrawm dua, thiab ua kom lub voj voog ua haujlwm luv.
Los ntawm kev saib xyuas ntawm cov nroj tsuag aeration system, cov teeb meem hauv qab no tau txheeb xyuas: ① Kev ua haujlwm ntev hauv qab dej ntawm aerators, ua ke nrog kev ua haujlwm nce ntxiv, ua rau muaj kev laus tseem ceeb ntawm O- nplhaib ntsaws ruaj ruaj ntawm cov ntsiab lus sib txuas, ua rau muaj roj to; ② Thaum lub sijhawm ua haujlwm, cov sludge deposition tsis tu ncua thiab kev hloov kho hauv kev tswj cov txheej txheem ntau lawm ua rau muaj cov sludge ntau dua nyob rau hauv qee qhov chaw, tsis ncaj qha ua rau muaj qhov loj me ntawm qhov chaw aerator membrane, raws li qhia hauvDaim duab 2; ③ Thaum cov sludge concentration nyob rau hauv cov tshuaj lom neeg tso tsheb hlau luam yog siab dhau lawm, lub hnub nyoog sludge txuas ntxiv, ua kom cov pa oxygen uas xav tau rau kev ua haujlwm microbial ib txwm muaj thiab nce kev xav tau ntawm cov pa oxygen; ④ Kev sib xyaw dej cawv ntau ntxiv hauv cov tso tsheb hlau luam aeration ua rau muaj zog, ua rau muaj zog dua rau kev siv tshuab lossis tshuab cua tshuab; ⑤ Qee qhov fouling tau nkag mus rau hauv cov pores aeration, cuam tshuam rau lub cev aeration, raws li qhia hauvDaim duab 3. Raws li qhov ua rau muaj kuab paug, nws tau txiav txim siab tias qhov ntsuas ntawm qhov chaw aerator muaj cov pa phem tsis zoo, cov teeb meem organic, cov protein, thiab lwm yam.
2.2 Kev xaiv cov neeg ua haujlwm huv
Rau hom kev ua paug ntawm daim nyias nyias, cov tshuaj ntxuav kom zoo yuav tsum tau xaiv. Cov neeg ua haujlwm no tuaj yeem nkag mus los ntawm cov aeration pores hauv cov yeeb nkab phab ntsa mus rau qhov chaw nruab nrab ntawm daim nyias nyias thiab cov yeeb nkab phab ntsa, ua tiav kev ntxuav ntawm daim nyias nyias thiab nws qhov pores. Kev xaiv hom tshuaj ntxuav tu yuav tsum yog raws li qhov tseeb physicochemical thaj chaw ntawm daim nyias nyias, hom pa phem, thiab qib ntawm fouling. Tus neeg saib xyuas yuav tsum yog biodegradable thiab tsis yog - lom rau cov kab mob, muaj peev xwm tshem tawm inorganic nplai los ntawm cov phab ntsa hauv cov yeeb nkab cua thiab hauv cov diffusers. Nws yuav tsum muaj kev tu kom zoo tiv thaiv cov blockages (tseem hu ua "gas-theem clogging") tshwm sim los ntawm cov kab mob, cov khoom, los yog cov plua plav hauv cov cua nkag ntawm lub tshuab cua tshuab, cov roj xau los ntawm lub tshuab nqus tsev, thiab xeb los ntawm cov kav dej sab hauv.
Alkaline ntxuav cov neeg ua haujlwm muaj xws li sodium hydroxide, sodium carbonate, sodium phosphate, sodium silicate, poov tshuaj hydroxide, thiab lwm yam. Sodium hydroxide yog ib qho tshuaj lom neeg hauv cov txheej txheem kho dej khib nyiab rau tsa cov dej khib nyiab pH, yog li nws tuaj yeem xaiv los ua tus neeg saib xyuas alkaline.
Cov tshuaj ntxuav cov kua qaub muaj xws li sulfuric acid, hydrochloric acid, nitric acid, citric acid, oxalic acid, phosphoric acid, thiab lwm yam. Muab hais tias citrate muaj zog chelating muaj peev xwm rau ions xws li manganese thiab hlau, thiab nyob rau hauv kev xyaum, piv rau mineral acids, citric acid kuj tsis muaj zog, tsawg corrosive rau cov cuab yeej, muaj kev nyab xeeb, thiab yooj yim ntawm citric acid yog xaiv los ntawm citric acid. tus neeg sawv cev.
Table 1qhia cov pawg thiab kev ua haujlwm ntawm cov tshuaj ntxuav tes uas feem ntau siv rau daim nyias nyias fouling.
2.3 Tsim cov cuab yeej ntxuav hauv online
Muab lub siab nyob rau hauv kev khiav hauj lwm zoo npuas aeration systems thiab ntau ceg kav dej, tsim ib tug haum online dosing ntaus ntawv rau zoo npuas aerators yog ib qho tseem ceeb tshwj xeeb. Cov cuab yeej siv tshuaj ntxuav tau tsim hauv qhov kev tshawb fawb no suav nrog chav sib cais / dilution unit thiab dosing unit, raws li qhia hauvDaim duab 4.
Lub dissolution / dilution unit feem ntau muaj lub tank npaj, agitator, thiab qib ntsuas, siv rau dissolving thiab diluting cov neeg ua hauj. Los ntawm kev txhaj tshuaj ib qho dej rau hauv lub tank npaj, ntxiv tus neeg sawv cev, thiab pib lub agitator, tus neeg sawv cev ntawm cov concentration tshwj xeeb tuaj yeem npaj rau kev siv los ntawm chav noj tshuaj.
Lub dosing unit feem ntau muaj xws li lub tank ntim, tso tawm valve, dosing valve, tshuav valve, pub valve, thiab qee cov kav dej. Hauv qab ntawm lub tank dosing yog txuas nrog cov yeeb nkab dosing, uas txuas ntxiv cov ceg ntoo mus rau ntau qhov kev txhaj tshuaj sub- cov kav dej. Tag nrho cov dosing sub- cov kav dej txuas nrog ib qho - mus rau - ib qho nrog ntau cov kav dej aeration, uas nyob rau hauv lem tau txuas nrog ntau lub tshuab ua npuas dej zoo, yog li ua tiav lub hom phiaj ntawm kev ntxuav cov npuas zoo aerators.
Thaum siv, ib lub qhov Φ15 mm tau drilled nyob rau hauv txhua lub aeration ceg yeeb nkab ntawm cov tshuaj lom neeg tso tsheb hlau luam raws li ib tug chaw nres nkoj dosing, los ntawm uas ib tug nylon dosing yeeb nkab raug ntsia kom xa tus neeg sawv cev mus rau lub zoo npuas aerators, txo tus neeg sawv cev poob. Ib txhij, ib lub qhov ntxiv tau drilled nyob rau hauv aeration ceg yeeb nkab raws li ib tug sib npaug roj yeeb nkab kom sib npaug siab ntawm lub dosing tank thiab lub aeration ceg yeeb nkab. Lub qhov drilled nyob rau hauv lub aeration ceg kav yog kaw nrog plugs thaum lub sij hawm ib txwm ua hauj lwm, thiab ceev - txuas lub davhlau ya nyob twg fittings yog ntsia thaum lub sij hawm muab tshuaj kom ceev installation thiab tshem tawm.
3. Daim Ntawv Thov Kev Siv Hauv Online Dosing Cleaning Device
Hauv qhov kev sim tshuaj ntxuav hauv online no, cov npuas zoo aerators tau muab tso rau hauv lub tank lom. Cov tshuaj ntxuav tshwj xeeb tau txhaj rau hauv cov npuas zoo aerator daim nyias nyias los ntawm cov kav dej aeration, tso cai rau nws ntws mus rau sab pub rau decompose organic teeb meem adhering rau daim nyias nyias, yog li rov kho qhov sib txawv ntawm transmembrane thiab ua tiav cov nyhuv tu. Qhov kev sim tsim tau raws li peb qhov sib txawv: tus neeg sawv cev hom, tus neeg sawv cev concentration, thiab lub sijhawm tu. Cov txheej txheem xeem tau qhia hauvRooj 2.
3.1 Kev Tshawb Fawb Txog Kev Siv Tshuaj Hauv Online Kev Tu Cov nyhuv
Tom qab ntxuav, kev soj ntsuam ntawm qhov chaw aeration ntawm qhov chaw pom tias cov npuas me me khiav tawm ntawm lub aeration tank saum npoo thiab ntau yam aeration.Daim duab 5qhia pom qhov pom ntawm aeration ua ntej thiab tom qab ntxuav.
Tom qab ntxuav nrog ntau hom neeg sawv cev thiab cov concentrations, cov aerators tsis tu ncua pom qhov txaus txaus thiab txo cov raj xa dej siab, nrog cov nqi ntws rov qab. Aeration efficiency tau rov qab mus rau ntau qib tom qab kev kho mob nrog ntau txoj kev tu. Cov ntaub ntawv sib xyaw ua ke ntawm kev nce huab cua ntau ntxiv thiab txo cov raj xa dej siab qhia tau hais tias cov neeg sawv cev sib txawv, qhov xav tau, thiab lub sij hawm ntxuav muaj qhov sib txawv ntawm kev kho aerator.Cov duab 6 thiab 7qhia cov kev hloov pauv ntawm cov dej ntws thiab lub siab ua ntej thiab tom qab ntxuav, feem.
Kev kho kom rov zoo ntawm cov aerators tom qab ntxuav sodium hydroxide yog qis dua li tom qab citric acid. Lub siab solubility ntawm sodium hydroxide nyob rau hauv dej ua rau kom muaj cua sov tso tawm thaum dissolution. Ua ke nrog nws muaj zog hygroscopicity, alkalinity, thiab corrosiveness, cov khoom no yuav tsum tau ceev faj ntxiv hauv kev ua haujlwm. Los ntawm qhov kev xav ntawm kev nyab xeeb kev ua haujlwm, sodium hydroxide tsis yog tus neeg saib xyuas nyiam. Yog li ntawd, thaum xaiv cov neeg ua haujlwm tu, lawv txoj kev nyab xeeb thiab kev ua haujlwm yooj yim yuav tsum tau ua tib zoo soj ntsuam kom ntseeg tau tias tus neeg siv kev nyab xeeb thiab kev tu kom zoo.
Cov txiaj ntsig tau kuaj pom tau tias tom qab kev siv tshuaj tua kab mob hauv online, aeration hauv cov tso tsheb hlau luam lom neeg tau dhau los ua ib qho zoo sib xws, tus nqi ntws ntawm cov npuas aerators tau nce ntxiv, cov raj xa dej siab poob qis, thiab cov nyhuv tu tau zoo kawg li.
3.2 Technical Advantages
- Txo lub sij hawm poob: Muab piv rau cov tsoos disassembly tu, kev siv tshuaj tua kab hauv online tsis tas yuav tsum tau nres lub tshuab aeration, tsis txhob cuam tshuam rau hauv cov txheej txheem kho dej khib nyiab thiab txo kev kho mob los ntawm kev kaw.
- Txhim kho kev huv huv: Cov neeg sawv cev tuaj yeem nkag mus tob rau hauv lub qhov hws, ua kom zoo huv si - mus rau - mus txog qhov chaw txhaws. Tom qab siv rau hauv qee qhov chaw kho dej khib nyiab hauv tsev, aeration uniformity tau zoo dua, thiab kev hloov pauv oxygen tau nce ntxiv.
- Txo kev siv zog ua haujlwm thiab cov nqi: Tshem tawm qhov xav tau ntawm phau ntawv disassembly thiab reassembly ntawm aerators, txo cov neeg ua haujlwm ntawm tes thiab kev pheej hmoo ntawm cov khoom siv puas tsuaj los ntawm kev disassembly nquag, yog li txuag cov nqi kho. Tus nqi ntawm cov tshuaj ntxuav hauv online rau cov npuas aerators yog 0.47 RMB / tuj, thaum tus nqi ntawm kev tu ib txwm siv rau cov qub aerators yog 13.3 RMB / tuj. Nws tau kwv yees tias kev txuag nyiaj txhua xyoo ntawm kev ua npuas dej zoo ntxuav cov nqi rau 515,000 RMB. Piv nrog rau kev tu ib txwm siv ntawm cov qub aerators, kev ntxuav hauv online muaj txiaj ntsig zoo rau kev lag luam.
- Extens Aeration Equipment Lifespan: Los ntawm kev siv tshuaj tua kab mob hauv online, cov nyhuv aeration ntawm cov npuas aerators tau zoo dua qub, txhim kho kev ua haujlwm ntawm lub tshuab aerator thiab, rau qee qhov, ncua kev pab cuam lub neej ntawm cov khoom siv aeration, zoo txo lub tshuab ua haujlwm.
- Muab ntau txoj kev xaiv rau kev teem caij tsim khoom thiab kev npaj kho: Los ntawm kev siv tshuaj lom neeg hauv online, kev faib cov npuas ua ntau dua, cov yeeb nkab cua siab tau txo qis, cov nqi ntws nce ntxiv, txhim kho cov pa oxygen hloov pauv tau zoo thiab muab kev lav zoo rau kev tswj dej zoo.
4. Cov lus xaus
Online tshuaj ntxuav tshuab rau cov npuas aerators tuav cov nqi tseem ceeb hauv cov chaw kho dej khib nyiab. Los ntawm nws daim ntawv thov tsim nyog, clogging teeb meem nyob rau hauv zoo npuas aerators yuav daws tau zoo, aeration system kev ua tau zoo dua, downtime thiab ua hauj lwm cov nqi txo, thiab ruaj khov, ua hauj lwm zoo ntawm cov dej khib nyiab pov tseg. Cov kev txwv ntawm kev tu ib txwm siv yuav tsav kev lag luam mus rau kev tu hauv online. Qhov tshwm sim ntawm cov cuab yeej tshiab thiab cov kev tswj xyuas ntse ua rau txo qis kev ua haujlwm nyuaj ntawm kev tu hauv online. Ua ke nrog txoj cai thiab kev tswj hwm ib puag ncig uas hais txog cov pa roj carbon nruab nrab thiab kev siv cov khoom siv dej, uas yuav cuam tshuam ncaj qha rau kev siv tshuab ntxuav hauv online. Nyob rau hauv lub neej yav tom ntej, tus neeg sawv cev formulations yuav optimized, thiab multi-tus neeg saib xyuas kev sib koom ua ke technologies tuaj yeem tshawb nrhiav. Tsis tas li ntawd, kev siv tshuaj tswj cov tswv yim thiab kev tshawb fawb hauv cov cuab yeej txawj ntse tuaj yeem ua raws li kev hloov kho kom zoo dua rau cov kev xav tau ntawm cov chaw kho dej khib nyiab sib txawv.