Daim Ntawv Qhia Kev Xaiv Kev Ruaj Ntseg Hauv Membrane Treatment Systems (II)

Raws li cov yam ntxwv ntawm cov dej zoo ntawm cov txheej txheem kev kho membrane sib txawv, cov kev xaiv xaiv cov kev daws teeb meem raug muab, ua raws li cov kev lag luam engineering tiag tiag, tsis txhob xaiv qhov muag tsis pom.

(I) Advanced Membrane Treatment of Livestock Wastewater (xws li RO Reuse of Pig Wastewater)

• Influent Water Quality: SS=5~10 mg/L, Turbidity=1~3 NTU, pH=6.5~8.0, Chloride Content=1000~3000 mg/L;

• Membrane System: RO Reverse Osmosis Membrane (Zoo Muaj Peev Xwm 10 ~ 50 m³ / h);

• Cov Txheej Txheem Xaiv:
- Lim Cartridge: 20-inch PP melt-blown lim cartridge, pom qhov tseeb 3μm, ib leeg ntsuas tus nqi 1.5 ~ 2.0 m³ / h, lim cartridge kom muaj nuj nqis xam raws tus nqi ntws;
- Housing: FRP fiberglass vaj tsev, siab ntsuas 1.0 MPa, ntsug installation, hauv qab inlet, sab saum toj qhov hluav taws xob, nruab nrog sib txawv siab ntsuas, qhov chaw nres nkoj, thiab qhov cua;
- Ntxiv: Yog tias qhov muaj txiaj ntsig SS siab, ntxiv 10μm ua ntej- lim cartridge (ob-stage filtration) kom ntev lub neej ntawm cov tub ntxhais lim cartridge.

(II) Fais Cog Desulfurization Wastewater Concentrate Membrane Treatment (RO Concentration)

• Influent Water Quality: SS=3~8 mg/L, Turbidity=1~2 NTU, pH=7.5~ 9.0, Chloride Ion Cov ntsiab lus=3000~8000 mg/L, Siab Corrosive;

• Membrane System: Siab- siab RO membrane (kev ua haujlwm siab 0.8 ~ 1.2 MPa);

• Cov Txheej Txheem Xaiv: - Lim Cartridge: 20-inch PP pleated lim cartridge, pom qhov tseeb 3μm, muaj zog corrosion kuj, siab av tuav peev xwm; - Vaj tse: 316L stainless hlau vaj tse, siab ntsuas 1.6 MPa, ntsug installation, nruab nrog lim cartridge clamping ntaus ntawv kom tsis txhob lim cartridge loosening nyob rau hauv siab; - Ntxiv: Lub tsev yuav tsum tau kho nrog kev tiv thaiv corrosion, thiab lim cartridge siab sib txawv yuav tsum tau kuaj xyuas tsis tu ncua thiab hloov raws sijhawm.

(III) Kev Siv Dej Siv Hauv Nroog Kev Kho Membrane (UF + RO Dual Membrane System)

• Influent Water Quality: SS=1~5mg/L, Turbidity Tsawg dua los yog sib npaug rau 1NTU, pH=6.5~8.5, kuj ruaj khov dej zoo;

• Membrane System: UF ultrafiltration membrane (pre-filter) + RO rov qab osmosis membrane (post-filter), muaj peev xwm ntau lawm 50 ~ 100m³ / h;

• Cov Txheej Txheem Xaiv: - UF membrane ua ntej-filter: 20-inch PP yaj- blown lim cartridge, pom tseeb 10μm, FRP plhaub khoom, siab ntsuas 0.6MPa; - RO membrane ua ntej{11}}filter: 20-nti PP pleated lim cartridge, pom tseeb 3μm, FRP plhaub khoom, siab ntsuas 1.0MPa, ntau chav nyob rau hauv parallel; - Ntxiv: Nruab nrog cov twj tso kua dej tsis siv neeg los txo cov haujlwm ua haujlwm.

(IV) Kev Kho Dej Dej Membrane (RO Pure Dej Npaj)

• Cov dej muaj txiaj ntsig zoo: SS Tsawg dua lossis sib npaug li 1 mg / L, Turbidity Tsawg dua lossis sib npaug ntawm 0.5 NTU, pH=6.5~ 7.5, tsis muaj cov hlau hnyav thiab tsw ntxhiab;

• Membrane System: RO thim rov qab osmosis membrane, dej ntau lawm muaj peev xwm 5 ~ 20 m³ / h;

• Cov Txheej Txheem Xaiv:
- Lim Cartridge: 20-nti PTFE pleated lim cartridge, pom qhov tseeb 1 μm, tsis muaj leaching, tsis muaj ntxhiab, ua tau raws li cov qauv dej haus;
- Vaj tse: 304 stainless hlau vaj tse, siab ntsuas 1.0 MPa, ntsug installation, zoo sealing kom tsis txhob muaj cov pa phem thib ob;
- Ntxiv: Hloov cov lim cartridges tsis tu ncua, thiab yaug lub lim tom qab hloov kom ntseeg tau tias cov dej ntws tawm raws li cov qauv.

(I) Kev Tiv Thaiv Kev Ua Haujlwm (Ua kom muaj kev xaiv zoo thiab zam kev ua haujlwm tsis ua haujlwm)

Lim Cartridge Hloov Lub voj voog: Raws li qhov sib txawv ntawm qhov sib txawv, lub lim cartridge yuav tsum tau hloov thaum lub siab sib txawv nce mus txog 0.1 ~ 0.15MPa. Kev ua haujlwm nrog ntau qhov sib txawv ntawm qhov sib txawv yog nruj me ntsis txwv tsis pub (yog li ntawd, lim cartridge puas thiab impurities nkag mus rau hauv daim nyias nyias yuav tshwm sim). Raws li cov dej tsis zoo, lub voj voog hloov rau PP yaj- tshuab lim cartridges yog 7 ~ 15 hnub, thiab rau pleated lim cartridges, nws yog 15 ~ 30 hnub.

Kev Txhim Kho Cov Khoom Siv: Cov lim kev ruaj ntseg yuav tsum tau nruab ua ntej lub siab - lub twj tso kua mis siab, ntawm qhov deb ntawm Ntau dua lossis sib npaug li 1m los ntawm qhov siab - lub twj tso kua mis siab kom tsis txhob muaj siab - cov dej siab ntawm lub lim cartridge. Xyuas kom zoo sealing thaum lub sij hawm installation los tiv thaiv dej thiab cua to. Lub qhov cua yuav tsum tau vented tsis tu ncua los tiv thaiv huab cua thaiv ua rau pom tsis sib xws.

Pretreatment Coordination: Cov nyhuv filtration ntawm kev ruaj ntseg lim nyob ntawm qhov pretreatment. Nws yog ib qho tsim nyog los xyuas kom meej tias SS effluent tom qab quartz xuab zeb pom thiab coagulation sedimentation tsawg dua lossis sib npaug li 5mg / L; txwv tsis pub, nquag lim cartridge clogging yuav tshwm sim, nce nqi txij nkawm. Kev tu thiab kev tswj hwm: Tsis tu ncua ntxuav lub lim tsev kom tshem tawm cov impurities tso rau ntawm phab ntsa sab hauv; cov lim lim lim lim yuav tsum tau muab kaw thiab khaws cia kom tsis txhob ya raws thiab paug; lim cartridges ntawm cov ntaub ntawv sib txawv yuav tsum tsis txhob muab sib xyaw kom tsis txhob muaj cov khoom tsis sib haum xeeb uas yuav ua rau leaching.

(II) Common Misconceptions (Industry Common Mistakes, Avoiding Selection Risks)

• Kev ntseeg yuam kev 1: Qhov muag tsis pom kev nrhiav siab - cov ntawv lim dej muaj tseeb. Qhov tshwm sim: Lim cartridges yog qhov ua rau txhaws, nce kev hloov zaus thiab cov nqi kho; Txoj hauv kev kom raug: Xaiv cov cartridges raws li qhov pore loj ntawm daim nyias nyias, ua raws li lub hauv paus ntsiab lus ntawm "tsim haum, tsis txhob blindly nrhiav siab precision."

• Kev ntseeg yuam kev 2: Cov khoom siv lim cartridge tsis sib haum nrog dej zoo. Qhov tshwm sim: Lim cartridge corrosion thiab puas, impurities nkag mus rau hauv daim nyias nyias, ua rau daim nyias nyias khawb thiab txhaws; Txoj hauv kev kom raug: Xaiv corrosion-cov ntaub ntawv lim dej tsis haum raws li pH thiab chloride ion cov ntsiab lus ntawm cov muaj zog (xws li, siv 316L stainless hlau lim cartridges rau qib siab chloride ion).

• Kev xav tsis zoo 3: Kev xam cov cartridge kom muaj nuj nqis tsis suav nrog cov npoo kev nyab xeeb. Qhov tshwm sim: Thaum ntws hloov pauv, lub lim caij thauj khoom dhau los ua siab dhau, txo qhov pom kev ua haujlwm. Kev xyaum kom raug: xam cov naj npawb ntawm cov lim dej raws li 1.2 npaug ntawm tus qauv tsim tus nqi, thiab khaws cia cov lim lim.

• Kev ntseeg yuam kev 4: Lub tsev siab ntsuas qhov ntsuas qis dua qhov kev ua haujlwm siab ntawm daim nyias nyias. Qhov tshwm sim: Overpressure to ntawm lub tsev ua rau muaj kev phom sij rau kev nyab xeeb. Kev xyaum kom raug: Qhov ntsuas vaj tsev siab yuav tsum siab dua lossis sib npaug li 1.25 npaug ntawm cov txheej txheem ua haujlwm siab.

• Kev ntseeg yuam kev 5: Kev tsis saib xyuas cov kua dej thiab qhov cua ntawm cov lim kev ruaj ntseg. Yog vim li cas: impurities sib sau thiab huab cua blockages ua rau tsis sib xws pom thiab overload ntawm ib co lim ntsiab. Kev xyaum kom raug: Tsis tu ncua tso dej thiab tso lub lim kom ua haujlwm zoo.

Case 1: Loj -Scale Pig Farm Wastewater RO Recycling System (Production Capacity 30m³/h)

• Influent Water Quality: SS=8mg/L, Turbidity=2NTU, pH=7.0~7.5, Chloride Ion Cov ntsiab lus=2000mg/L;

• Cov Txheej Txheem Xaiv: Kev ruaj ntseg lim siv FRP vaj tse (φ400mm, siab ntsuas 1.0MPa), ntsug installation, hauv qab inlet, sab saum toj qhov hluav taws xob; filter element siv 20-inch PP melt-blown filter element (filtration precision 3μm), ib lub caij rated flow 1.5m³/h, xam cov khoom lim kom muaj nuj nqis=30÷1.5 ×1.2=24 cov ntsiab lus, xaiv qhov tseeb ntawm 24 lub ntsiab lus; nruab nrog qhov ntsuas qhov sib txawv, qhov hluav taws xob tawm, thiab qhov hluav taws xob qhov hluav taws xob.

• Cov txiaj ntsig ua haujlwm: Lim cartridge hloov lub voj voog yog 10-12 hnub; sib txawv siab yog ruaj khov ntawm 0.05-0.08 MPa; RO membrane kev ua haujlwm ruaj khov, kev tu lub voj voog txuas ntxiv mus rau 3 lub hlis, tsis muaj qhov cuam tshuam ntawm daim nyias nyias lossis teeb meem txhaws, thiab cov dej ua tau raws li cov qauv siv rov qab.

Case 2: Fais Cog Desulfurization Wastewater Concentrate RO Concentration System (Muaj peev xwm 40 m³ / h)

• Dej Zoo: SS=6 mg/L, Turbidity=1.5 NTU, pH=8.0~8.5, Chloride Ion Cov ntsiab lus=6000 mg/L;

• Cov Txheej Txheem Xaiv: Kev ruaj ntseg lim siv 316L stainless hlau vaj tsev (φ500mm, siab ntsuas 1.6 MPa), ntsug installation; lim cartridge siv 20-nti PP pleated lim cartridges (filtration raug 3μm), ib daim cartridge rated flow rate 2.0 m³/h, xam cov lim cartridges=40 ÷ 2.0 × 1.2=24 cartridges, xaiv tiag tiag ntawm 24 cartridges; nruab nrog lim cartridge nias ntaus ntawv thiab tsis siv neeg backflow ntaus ntawv.

• Cov txiaj ntsig ua haujlwm: Lim cartridge hloov lub voj voog yog 15-20 hnub; sib txawv siab yog ruaj khov ntawm 0.06-0.09 MPa; RO membrane kev khiav hauj lwm siab yog ruaj khov, concentrated concentration raws li cov qauv, thiab tsis muaj daim nyias nyias corrosion los yog khawb.

Cov ntsiab lus tseem ceeb rau kev xaiv cov lim dej lim dej ruaj ntseg yog "kev tsim nyog rau cov txheej txheem membrane, tsim nyog rau cov dej muaj txiaj ntsig zoo, thiab tsim nyog rau kev ua haujlwm." Tsis tas yuav mus nrhiav siab - kawg configurations; Lub hom phiaj yuav tsum yog ntawm "kev sib raug zoo, kev ruaj ntseg thiab kev ntseeg siab, thiab kev ua haujlwm yooj yim thiab kev saib xyuas."

Kev xaiv yuav tsum ua raws li peb cov kauj ruam tseem ceeb: Ua ntej, qhia meej txog cov dej muaj txiaj ntsig zoo, cov txheej txheem membrane, thiab kev ua haujlwm; Tom qab ntawd, txiav txim siab lub lim cartridge (precision, khoom, specifications), vaj tse (khoom siv, siab ntsuas, qauv), thiab specifications (tus naj npawb ntawm lim cartridges, lim txoj kab uas hla); Thaum kawg, ua kom zoo dua qhov kev xaiv raws li qhov xwm txheej tshwj xeeb, tsis txhob muaj kev cuam tshuam ntau.

Kev xaiv kom raug tsis yog tsuas yog tiv thaiv cov ntsiab lus ntawm daim nyias nyias thiab txuas ntxiv lub neej ntawm daim nyias nyias, tab sis kuj txo cov nqi khiav lag luam thiab kev saib xyuas thiab ua kom ruaj khov ntawm cov txheej txheem membrane. Nws yog ib kauj ruam tseem ceeb hauv kev ua tiav ntawm kev ua tiav ntawm cov phiaj xwm kev kho membrane thiab yuav tsum tau hloov kho raws li qhov tseeb engineering, tsis txhob ua qhov muag tsis pom kev siv cov txheej txheem daws teeb meem.