Hauv kev lag luam uas corrosion yog ib qho kev hem thawj tsis tu ncua-xws li kev ua tshuaj lom neeg, kev siv dej hiav txwv, thiab kev kho dej khib nyiab-xaiv txoj caivalvetuaj yeem yog qhov sib txawv ntawm kev ntseeg tau ntev ntev thiab cov khoom siv thaum ntxov tsis ua haujlwm. Tab sis nrog ntau yam khoom siv thiab kev ua haujlwm sib txawv, koj yuav ua li cas kom ntseeg tau qhov zoo tshaj plawsvalve xaiv nyob rau hauv corrosive ib puag ncig?
Tsab ntawv xov xwm no muaj cov lus qhia tseem ceeb los pab cov kws tsim khoom, cov neeg yuav khoom, thiab cov neeg tswj xyuas cov nroj tsuag ua cov kev xaiv paub txog qhov tseem ceeb ntawm kev nyab xeeb, kev ua tau zoo, thiab tus nqi ntawm lub neej.
Common Corrosive Applications uas xav tau tshwj xeeb li qub
Corrosive ib puag ncig yog txhais los ntawm qhov muaj kuab paug, vapors, lossis cov pa roj uas tuaj yeem degrade cov ntaub ntawv raws sijhawm. Cov xwm txheej no feem ntau pom hauv:
Tshuaj thiab Petrochemical Cog: Qhov twg cov kua qaub, alkalis, cov kuab tshuaj, thiab chlorides feem ntau siv.
Seawater Desalination thiab Marine Systems: Cov ntsiab lus ntsev siab thiab cov av noo ua rau muaj kev phom sij loj heev.
Pulp thiab Ntawv Mills: Raug rau cov tshuaj bleaching thiab cov txheej txheem chemicals yuav tsum tau tswj xyuas cov kev daws teeb meem.
Mining thiab Metallurgy: Slurries thiab chemical leachates xav kom puas- thiab corrosion-resistant cov ntaub ntawv.
Txhua qhov kev teeb tsa no yuav tsum tau ua kom haumvalve xaiv nyob rau hauv corrosive ib puag nciglos xyuas kom meej kev ua haujlwm ntev thiab kev nyab xeeb.
Xaiv cov khoom siv tiv thaiv corrosion zoo
Cov khoom muaj pes tsawg leeg ntawm lub valve plays lub luag haujlwm tseem ceeb hauv kev tiv thaiv corrosion. Nov yog qee cov ntaub ntawv zoo tshaj plaws rau kev siv tawv:
1. Stainless hlau (304/316)
Stainless hlau yog dav siv rau nws zoo heev tiv thaiv corrosion. 316 stainless hlau, nrog ntxiv molybdenum, muaj kev ua tau zoo tshaj plaws nyob rau hauv chloride-nplua nuj ib puag ncig zoo li dej hiav txwv.
2. Alloy Steel (xws li, Hastelloy, Monel, Inconel)
Cov alloys ua haujlwm siab no yog tsim los rau tshwj xeeb tiv thaiv cov kua qaub thiab oxidizers. Lawv yog cov zoo tagnrho rau high-temperature thiab high-pressure corrosive txheej txheem.
3. PTFE lossis PFA Linings
Valves lined nrog polytetrafluoroethylene (PTFE) los yog perfluoroalkoxy (PFA) zoo heev los tiv thaiv tshuaj tua kab mob, tshwj xeeb tshaj yog nyob rau hauv cov ntaub ntawv hlau yuav degrade sai. Cov hauv ob sab phlu no yog cov tshuaj inert thiab haum rau ntau pH ntau.
4. Duplex thiab Super Duplex Stainless Hlau
Nrog kev txhim kho cov khoom siv kho tshuab thiab kev ua haujlwm siab dua rau hauv cheeb tsam corrosion, duplex alloys yog zoo meej rau kev siv dej hiav txwv thiab qhov chaw muaj kev ntxhov siab.
Xaiv cov khoom tsim nyog yog thawj kauj ruam hauv kev ua tiavvalve xaiv nyob rau hauv corrosive ib puag ncig, tab sis muaj ntau yam los xav txog.
Yuav Ua Li Cas Ntxiv Valve Lifespan hauv Cov Txheej Txheem hnyav
Txawm tias cov ntaub ntawv zoo tshaj plaws xav tau kev ua haujlwm zoo kom ua tau zoo nyob rau lub sijhawm. Nov yog cov tswv yim los txhim kho valve durability:
Tsis tu ncua thiab tshuaj xyuas: Teem sij hawm soj ntsuam xyuas kom paub cov cim ntxov ntawm corrosion, hnav, los yog foob degradation.
Txhim kho kom raug: Misalignment lossis overtightening thaum lub sij hawm installation tuaj yeem tsim cov ntsiab lus kev ntxhov siab uas ua rau tsis ua hauj lwm hauv qhov chaw corrosive.
Qhov tseeb Valve hom rau txoj haujlwm: Lub rooj vag li qub, lub pob li qub, thiab cov diaphragm li qub coj txawv txawv nyob rau hauv kev raug tshuaj lom neeg - xyuas kom meej tias hom kev xaiv sib tw nrog kev tshaj tawm thiab kev ua haujlwm.
Kev siv cov txheej txheem tiv thaiv: Hauv qee lub tshuab, cov txheej txheej ntxiv lossis cov hauv ob sab phlu tuaj yeem txhim kho corrosion kuj thiab txo cov hlau raug.
Tsim nrog tag nrho lub neej voj voog nyob rau hauv lub siab pab ua kom rov qab los ntawm kev nqis peev thiab txo qis kev poob qis.
Xaus: Kev xaiv ntse Valve yog qhov tseem ceeb hauv Corrosive ib puag ncig
Hauv kev sib tw tshuaj lom neeg lossis dej hiav txwv ib puag ncig, cov khoom siv sib xws, hom valve, thiab cov tswv yim kho yuav tsum ua haujlwm ua ke kom ntseeg tau tias muaj kev ntseeg siab. Qhiavalve xaiv nyob rau hauv corrosive ib puag ncigpab tiv thaiv kev ua tsis tiav, txo cov kev pheej hmoo ua haujlwm, thiab txhim kho kev ua haujlwm ntev.
Nrhiav rau Cov Kws Tshaj Lij Pab Txhawb hauv Corrosion-Resistant Valve Solutions?
Lub Valvemuaj kev txawj ntse thiab txhim khu kev qha khoom raws li corrosive industrial daim ntaub ntawv. Hu rau peb hnub no los tham txog yuav ua li cas peb tuaj yeem pab koj nrhiav txoj cai valve rau koj qhov chaw nyuaj tshaj plaws.
Post lub sij hawm: Jun-09-2025