Yuav Xaiv Cov Khoom Siv Tsim Kho Uas Tiv Thaiv Kev Xeb Li Cas
Kev xeb yog ib qho teeb meem loj hauv kev lag luam kev tsim kho. Cov txheej txheem no hais txog kev puas tsuaj ntawm cov khoom siv vim muaj kev tshuaj lom neeg nrog lawv ib puag ncig, tshwj xeeb tshaj yog cuam tshuam nrog cov hlau oxidation. Kev xeb tuaj yeem ua rau muaj kev puas tsuaj rau cov qauv, ua rau cov nqi kho kom zoo dua, thiab thaum kawg ua rau lub neej ua haujlwm luv dua. Yog li ntawd, kev xaiv cov ntaub ntawv tsim kho uas tiv taus xeb yog ib kauj ruam tseem ceeb uas yuav tsum tsis txhob saib tsis taus. Tsab xov xwm no yuav muab cov lus qhia tob txog yuav ua li cas xaiv cov ntaub ntawv zoo, xav txog ntau yam uas cuam tshuam rau lawv txoj kev tiv taus xeb.
1. Nkag Siab Txog Hom Kev Xeb
Ua ntej xaiv cov khoom siv, nws yog ib qho tseem ceeb kom nkag siab txog hom xeb uas yuav tshwm sim. Muaj ntau hom xeb, suav nrog:
- Kev xeb sib xws: Ib hom kev xeb uas cuam tshuam rau tag nrho qhov chaw ntawm cov khoom sib npaug.
- Galvanic corrosion: Tshwm sim thaum ob hom hlau sib txawv sib chwv hauv cov tshuaj corrosive.
- Kev xeb tawg: Feem ntau tshwm sim hauv cov qhov tawg lossis thaj chaw nqaim uas cov tshuaj xeb raug kaw.
- Kev xeb xaiv: Tshwm sim thaum ib yam khoom hauv cov hlau sib xyaw xeb sai dua li lwm yam.
Los ntawm kev nkag siab txog cov hom xeb no, peb tuaj yeem xaiv cov ntaub ntawv uas muaj kev tiv thaiv tshwj xeeb rau hom xeb uas tau tsom mus rau.
2. Kev Xaiv Khoom Siv Raws Li Ib Puag Ncig Ua Haujlwm
Qhov chaw ua haujlwm yog ib qho tseem ceeb hauv kev xaiv cov khoom siv uas tiv taus xeb. Nov yog qee qhov chaw ib puag ncig thiab cov ntaub ntawv tsim nyog rau lawv:
– Ib puag ncig huab cua: Cov hlau tsis xeb, txhuas, thiab titanium alloys yog cov kev xaiv zoo rau ib puag ncig huab cua. Lawv muaj ib txheej oxide tiv thaiv uas tiv thaiv kev xeb.
– Ib puag ncig hauv dej hiav txwv: Cov ntaub ntawv feem ntau siv hauv ib puag ncig hauv dej hiav txwv suav nrog cov hlau tooj liab-nickel, cov hlau tsis xeb super austenitic (xws li qib 904L), thiab titanium. Cov ntaub ntawv no tiv taus kev xeb hauv dej hiav txwv thiab biofouling.
– Ib puag ncig tshuaj lom neeg: Cov hlau ua los ntawm nickel thiab cov hlau tsis xeb uas muaj molybdenum ntau (xws li qib 316L lossis 317L) yog cov kev xaiv zoo heev rau ib puag ncig uas raug tshuaj lom neeg hnyav.
3. Kev Tshuaj Xyuas Tus Nqi thiab Kev Ua Tau Zoo
Cov ntaub ntawv uas tiv taus xeb feem ntau kim dua li cov ntaub ntawv ib txwm muaj. Txawm li cas los xij, kev ntsuam xyuas tus nqi yuav tsum suav nrog tag nrho lub neej ntawm cov ntaub ntawv, tsis yog tus nqi pib xwb. Cov yam uas yuav tsum xav txog suav nrog:
- Tus nqi pib: Tus nqi yuav khoom siv.
- Cov Nqi Txij Nkawm: Qhov zaus thiab tus nqi kho lossis hloov pauv.
- Kev Poob Nqi Kev Pabcuam: Tej zaum yuav muaj kev cuam tshuam kev ua haujlwm lossis lub sijhawm tsis ua haujlwm vim muaj kev puas tsuaj los ntawm xeb.
Kev tshuaj xyuas tus nqi kom meej yuav pab ua kom muaj kev nqis peev zoo hauv kev xaiv cov ntaub ntawv uas tiv taus xeb.
4. Cov txheej txheem kho qhov chaw
Cov txheej txheem kho qhov chaw tuaj yeem txhim kho qhov kev tiv thaiv xeb ntawm cov khoom siv. Qee cov txheej txheem kho qhov chaw suav nrog:
– Kev Txheej: Xws li kev pleev xim, electroplating, thiab galvanizing. Kev txheej nrog cov khoom siv tiv taus xeb xws li zinc lossis chrome tuaj yeem tiv thaiv cov khoom siv hauv paus los ntawm kev xeb.
- Anodizing: Cov txheej txheem no feem ntau siv rau txhuas, tsim cov txheej oxide tuab uas tiv thaiv kev xeb.
– Passivation: Cov txheej txheem no tsim ib txheej oxide tiv thaiv rau ntawm qhov chaw hlau, feem ntau siv rau cov hlau tsis xeb kom ua rau muaj kev tiv thaiv xeb ntau ntxiv.
Qhov kev xaiv ntawm cov txheej txheem kho kom zoo nyob ntawm hom khoom siv thiab qhov chaw ua haujlwm.
5. Siv Cov Khoom Siv Alloy
Cov khoom siv sib xyaw feem ntau tiv taus xeb dua li cov khoom siv ntshiab. Kev ntxiv cov ntsiab lus xws li chromium, nickel, molybdenum, thiab tooj liab tuaj yeem txhim kho kev tiv taus xeb. Nov yog qee cov khoom siv sib xyaw nrov thiab lawv siv:
– Hlau Tsis Xeb: Muaj tsawg kawg yog 10.5% chromium, uas tsim ib txheej oxide tiv thaiv. Cov hom xws li 304L, 316L, thiab duplex stainless hlau txhua tus muaj kev tiv thaiv xeb tshwj xeeb rau ntau qhov chaw ib puag ncig.
– Cov Hlau Uas Muaj Nickel: Inconel, Monel, thiab Hastelloy yog cov piv txwv ntawm cov hlau uas muaj nickel uas tiv taus xeb heev hauv cov tshuaj lom neeg thiab qhov kub thiab txias.
- Cov Khoom Siv Aluminium Alloys: Cov khoom siv aluminium alloys nrog magnesium, silicon, thiab tooj liab muab kev sib xyaw ua ke ntawm lub zog siab thiab kev tiv taus corrosion zoo.
6. Kev Xaiv Txoj Kev Tsim Kho
Qee zaum, kev xaiv txoj kev tsim kho kom raug yuav pab txo qhov kev pheej hmoo ntawm kev xeb. Qee txoj hauv kev suav nrog:
- Tsim Kom Tsawg Qhov Chaw Uas Muaj Kev Xeb: Tsis txhob muaj cov ces kaum ntse thiab cov qhov nqaim uas yuav ntes tau cov dej noo lossis cov tshuaj xeb.
– Siv Cov Khoom Txuas Uas Tsis Xeb: Siv cov bolts, txiv ntoo, thiab cov pob qij txha ua los ntawm cov khoom siv tiv taus xeb lossis coated nrog ib txheej tiv thaiv.
- Tsim qauv uas tso cai rau kev ntws dej zoo: Xyuas kom meej tias cov qauv tsis khaws dej uas tuaj yeem ua rau xeb sai dua.
7. Cov Kev Kawm Txog Cov Neeg Mob thiab Kev Paub Ua Haujlwm Hauv Tebchaws
Kev ua cov kev tshawb fawb txog cov ntaub ntawv thiab kev tshawb fawb txog cov kev paub dhau los ntawm cov haujlwm yav dhau los tuaj yeem muab cov kev nkag siab zoo rau kev xaiv cov khoom siv. Kev paub tias cov ntaub ntawv twg tau ua haujlwm zoo hauv cov xwm txheej zoo sib xws tuaj yeem pab txo qhov kev pheej hmoo ntawm kev ua yuam kev hauv kev xaiv cov ntaub ntawv.
8. Kev sab laj nrog ib tug kws tshaj lij
Kev siv cov kev pab cuam ntawm tus kws pab tswv yim lossis tus kws tshaj lij txog cov ntaub ntawv thiab kev xeb kuj tseem yog ib qho kev txav mus los zoo. Lawv tuaj yeem muab kev tshuaj xyuas tob tob thiab cov lus qhia raws li kev tshawb fawb tshiab thiab cov thev naus laus zis tshiab.
9. Daim Ntawv Pov Thawj thiab Cov Qauv
Kev xyuas kom meej tias cov khoom xaiv tau ua raws li cov qauv tsim nyog thiab tuav cov ntawv pov thawj tsim nyog yog ib kauj ruam kawg tseem ceeb. Cov qauv thoob ntiaj teb xws li ASTM, ISO, thiab ASME feem ntau muab cov lus qhia txog cov khoom siv tiv taus xeb. Kev xaiv cov khoom siv uas ua tau raws li cov qauv no tuaj yeem muab kev lees paub ntxiv txog lawv cov kev ua tau zoo mus sij hawm ntev.
Xaus
Kev xaiv cov ntaub ntawv tsim kho uas tiv taus xeb yuav tsum tau ua tib zoo saib xyuas hom xeb, qhov chaw ua haujlwm, kev tshuaj xyuas tus nqi, cov txheej txheem kho qhov chaw, cov ntaub ntawv siv alloying, cov txheej txheem tsim kho, cov ntaub ntawv kawm txog rooj plaub, kev sab laj nrog kws tshaj lij, thiab kev ua raws li cov qauv. Los ntawm kev xav txog tag nrho cov yam no, peb tuaj yeem ua kom ntseeg tau tias lub tsev yuav muaj kev tiv taus xeb siab tshaj plaws, ntev nws lub neej kev pabcuam, txo cov nqi kho, thiab txhim kho kev nyab xeeb thiab kev ruaj khov.
