Ifan Hoobkas 30+ xyooTxais kev txhawb nqa xim / loj Customized them nyiaj yug dawb {}} Nrhiav catalog thiab cov qauv dawb. Qhov no yog peb FacebookLub vas sab: www . Facebook . com, Nyem rau saib xyuas yog tias cov khoom lag luam video . sib piv nrog cov khoom lag luam dhaux, peb li cov khoom lag luam los ntawm qhov zoo tshaj plaws yog koj qhov kev xaiv zoo tshaj plaws, zoo siab tos txais yuav!

Acid thiab alkali ua hauj lwm thiab cov ntawv thov ntawm tooj dag rooj vag valve hauv dej phwj tuaj

Lub hauv paus rau phau ntawv

Brass Rooj vag cov khoom lag luam nyob hauv cov khoom siv dej pheeb suab uas muaj peev xwm tiv thaiv cov khoom siv dag zog ntawm cov khoom siv dag zog hauv stps, ntsuas lawv acid-alkali resistance Proferties, thiab nthuav tawm cov kev siv hluav taws xob ua kom muaj kev sib cuam tshuam nrog kev sib cuam tshuam valve thiab kev nqus dej rau lub neej pabcuam hauv STP hauv STP daim ntaub ntawv {}}

Corrosion tshuab hauv dej phwj teb

Acidic corrosion txheej txheem

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Dej phwj tuaj feem ntau muaj organic thiab inorganic acids, nrog rau qib pyc zoo li ntawm 4.5 txog 7.5 hauv thawj theem kev kho mob:

Hydrogen sulfide (h₂s) tawm tsam: Anaerobic tej yam kev pab cuam tshuam, kev sib sau tooj liab sulfide (Cus) ntawm DRASH SURDODES} Kuv}}}}} .

Organic Acid Didadation: Fatty acids (e {{.}}}}}}}}}}}}}}}} 1 xyoos ntawm 25 degree.

Microbiologically dolosion (mic): Sulfate-txo cov kab mob (srb) tsim cov sulfuric acid, nrawm}}} srb cov kav dej phwj .

Alkaline corrosion nyuaj

Cov theem kev kho tsev Thib Obvoog Puam Pharolve (pH {10-12}) rau coagulation thiab kev tua rog:

Zinc ampholicer tiv thaiv: Zinc hauv Brass Dissolves nyob rau hauv cov hauv paus muaj zog (OH⁻), tsim soluble zincit {degree, nyob rau hauv 10%

Oxide Txheej Kev Cuam Tshuam: Alkaline daws teeb meem cuam tshuam rau cov txheej txheem tiv thaiv cu₂o, ua rau cov dej tshiab txhawm rau txhawm rau txhawm rau 40% .

Cov teeb meem depition tso tawm: High pH promotes calcium carbonate (CaCO₃) scaling, which traps corrosive species. Under-scale corrosion can reach 0.15 mm/year in hard alkaline sewage (Ca²⁺ >200 ppm) .

Yaig-corrosion sib txuas lus

Dej phwj teb chaws (1-3 m / s) hauv cov kav dej thiab cov li qub tsim kom muaj cov cua hlob uas:

Tshem tawm tiv thaiv txheej: Kua shear rog strip oxide cov yeeb yaj kiab, ua kom muaj zog los ntawm {{}} lub sij hawm.

Abrasive hnav: Qhov teeb meem (xuab zeb, grit) hauv dej phwj tuaj ua rau yaig

Acid-alkali kev ua yeeb yam ntawm tooj dag alloys

Tsoos tsho luam yeeb sab nrauv alloys (C36000)

Acid Refantance:

pH 4-6}: corrosion tus nqi0.05-0.08 hli / xyoo nyob rau hauv aerated dej qab zib {}}

H₂S (100 PPM): pitting qhov tob 0 {. 1 mm / xyoo tom qab 1 xyoos.

Alkali tsis kam:

pH {8-10}} {0.03-0.05 mm / xyoo corrosion, siv tau rau luv luv-{3}}

pH >10: Sai Deal Dealzincification, tsis pom zoo rau kev pom zoo ntev .

Lead-dawb tooj dag alloys (C89833)

Txhim kho corrosion tsis kam:

Aluminium-tooj ​​tau muaj kev sib xyaw txo cov dozincification los ntawm 80% hauv acidic lime {}}

ph 4-10}: corrosion tus nqi<0.02 mm/year, 4× better than C36000.

H₂₂ Deevance:

Cov ntaub ntawv tiv thaiv al₂o₃-cus composite txheej ntawm 500 ppm h₂s, txwv corrosion rau 0 {} 01 mm / xyoo.

Corrosion Kuj Sib Piv

Cov tswv yim thov hauv STPS

Thawj daim ntawv thov kho

Dej Nplaum Inlet Li Qub:

Valve Hom: C89833 Aluminium-Brass Guard li qub nrog PTFE lub rooj .

Kev tiv thaiv kev ntsuas:

Cathodic Kev Tiv Thaiv (Kev Txhim Kho Zinc Anodes) Txo cov h₂s-indles corrosion los ntawm 60%.

Time Flushing (txhua hnub) kom tshem tawm cov tsis txaus ntseeg thiab tiv thaiv MOL .

Cov Ntaub Ntawv Ua Haujlwm:

Nyob rau hauv thawj lub ntsiab lus meej (pH 6, 50 ppm h₂s), C89833 li qub 8 xyoo vs {}} xyoo rau c}36000.

Cov Kev Siv Kho Mob Thib Ob

Riological Refeor Li Qub:

Valve xaiv: Lead-dawb tooj dag nrog electroless npib tsib xee (en) plating (15 μm High-P) .

Corrosion tswj:

pH hloov kho rau 7.5-8.5} muaj txo alkaline tua .

En plating tiv thaiv tu tshuaj (naoh, hypochlorite) .

Kev Ua Teb Cov Ntsiab Lus:

Nyob rau hauv ib qho kev ua haujlwm rau cov txheej txheem sludge (pH 8-9}}, 10% tu), en-plated li qub pom<0.01 mm/year corrosion over 5 years.

Tertiation Kev Kho Mob Thiab Kev Nyab Xeeb

Chlorine Sib cuag Tank Li Qub:

Cov Khoom Siv Xaiv: C36000 Brass Nrog Nyuaj Chrome Plating (20 μm) .

Kev tiv thaiv corrosion:

Tom qab-plating passivation los txhim kho chlorine tsis kam .

Flour Velocity tswj (<2 m/s) to minimize erosion.

Kev Kawm Txog:

Ib tug chlorinated effluent valve (2 ppm clr₂, pH 7) nrog chrome plating uas tau muaj 10 xyoo, outperforming unplated li qub los ntawm 3 {{4 4}

Corrosion Mitigation Technologies

Cov Khoom Siv Kev Siv Tshuab

Sib xyaw ua koob:

Ptfe-nanoparticle cov txheej txheem (3 μm) txo cov kua qaub los ntawm 90%}} hauv 5% acetic acid, coated corrosion

Zinc-Nickel Alloy plating (8 μm) muab ntau dual tiv thaiv: Zinc txoj kev ua txhaum thiab Nickel txoj kev hla dhau.

Alloy Hloov Kho:

Ntxiv 2% tin rau tooj dag (C44300) txhim kho cov alkali ua tsis tau zoo, txo cov dej hauv Ph 11 dej ntawm 06 mm / xyoo rau 0.02 mm / xyoo.

Kev tsim qauv thiab kev kho mob ua haujlwm

Txaus siab ua haujlwm:

Steamlined Valve tsim (45 Degree Tapered Inlets) txo qis kev kub ntxhov, txo cov yaig-corrosion los ntawm 40% nyob rau hauv high-velocity-corrosion (3 m / s).

Txij Nkawm Muaj Kev Lag Luam:

Kev kuaj txhua hli rau nplai thiab biofilm guupup, nrog cov dej ntxuav kom siab (100 bar) kom tshem tawm cov nyiaj tso nyiaj.

Txhua xyoo txhua xyoo disassembly rau lub rooj lapping thiab ntim hloov hauv cov khoom tseem ceeb .

Kev Tiv Thaiv Cov Tshuab Loj

Cathodic Kev Tiv Thaiv (ICCP):

Kev qhuas tam sim no cov tshuab ua kom muaj lub peev xwm valve muaj peev xwm ntawm {}} v vs {} {1} hauv cov cheeb tsam anaerobic los ntawm 85% hauv cov cheeb tsam anaerobic {}}

Ph thiab Corrosion saib xyuas:

Online Sensors Raws PH thiab Redox Peev (Orp), ua rau muaj kev hloov kho tsis zoo xws li los tswj cov kev ua tau zoo (pH}).

Cov Ntaub Ntawv Kawm Hauv Hlob Pob Hluav Taws Xob

Lub nroog Stp thawj kev kho mob

Cav: C36000 cov li qub nyob rau hauv cov dej phwj nyoos (pH 5 {{{4 {}}

Lus teb: Hloov kho rau C89833 li qub nrog zinc anodes (100 g txhua) .

Qho kawg: Tom qab 5 xyoos, corrosion tus nqi<0.02 mm/year; anodes replaced every 2 years, valve life extended to 10+ years.

Kev Kho Mob Wastewater

Nruab nrab: Alkaline Wastewater (Ph 11, 5% NUAH) los ntawm ib daim ntawv mill.

Phab Valve: Txhuas dawb tooj nrog 20 μm Electroless npib tsib xee (High-p) .

Ua yeeb yam: Withstood 8 xyoo ntawm kev pabcuam; Timeicic Ni Plating Repplation (txhua 3 xyoo) tswj kev ncaj ncees {2 2}}

Nqaum Stp Thib Ib Kho

Huab cua: Seasater-diluted kav dej (3,000 ppm clr⁻, pH 7 {4 4}} 2).

Kev tiv thaiv kev ntsuas: Chrome-plated C36000 li qub nrog dielectric cov union los tiv thaiv cov galvanic corrosion.

Qho kawg: Tom qab 6 xyoo, tsis muaj kev xeb pom; Dielectric cov koomhaum txo cov chloride-ntxias pitting los ntawm 75%.

Yav Tom Ntej Hauv Stp Valve Technology

Nanocomposite Khoom Siv

Graphene-enhanced tooj dag: 0.5% kev qhia oxide oxide oxide reascene nce cov kua qaub tiv thaiv 300%, tso cai ua haujlwm hauv ph 3 phwj nrog<0.01 mm/year corrosion.

Kho tus kheej kho cov txheej txheem: Microcapsules muaj corrosion inhibitors (benzotriazole) Tshaj tawm ntawm cov kua qaub, kho me me kev puas tsuaj Autonomously.

Smart corrosion saib

Iot-enabled li qub: Embedded Sensors Ntsuas Cov Peev Xwm Corrosion, Ph, thiab cov lus ceeb toom thaum nws xav tau kwv yees kom txo qis qis qis los ntawm 40%.

Ai-Powered Analytics: Cov qauv kawm paub cov qauv kwv yees cov nqi nqus dej raws li cov dej phwj tuaj, txhim kho txij nkawm cov sij hawm {}}

Kev tsim kho kom ruaj khov

Rov ua dua tshiab: Cov roj ua los ntawm 80% rov ua dua tooj liab-zinc, txo cov pa roj los ntawm 30% thaum tswj cov kua qaub-alkali tsis zoo.

Biodegradable Txheej Txheem: Cov hmoov txhuv nplej siab tiv thaiv cov yeeb yaj kiab uas muaj ntuj cais ua tsis tau zoo, zoo tagnrho rau kev sib sau ib ntus ib ntus.

Tag

Brass Rooj vag cov khoom siv tau ua haujlwm zoo rau cov khoom siv hluav taws xob {}} Cov kws ua choj tuaj yeem paub meej tias yog tus brass ua cov khoom siv dej pheebsuab rau corrosion, txhawb nqa cov khoom siv loj hlob ua ntej, txhawb nqa cov khoom siv loj hlob ua ntej