Nyob rau hauv lub ntiaj teb ntawm kev kho vajtse, kev kho deg ntawm stainless hlau yog tus txheej txheem tseem ceeb uas ua rau cov khoom siv tsis zoo, thiab tiv taus corrosion. Ntawm jindalai steel tuam txhab, peb ua tshwj xeeb hauv kev muab cov khoom lag luam muaj txiaj ntsig zoo steel, thiab peb nkag siab txog qhov tseem ceeb ntawm cov txheej txheem kev kho kom zoo. Cov blog no yuav delve rau hauv ntau lub stainless hlau saum npoo kev kho mob, tsom mus rau cov txheej txheem feem ntau: pickling thiab passivation.
Dab tsi yog cov qauv kev kho deg rau cov hlau stainless?
Cov txheej txheem kev kho deg rau cov hlau stainless tuaj yeem nthuav dav rau hauv cov kev siv tshuab tshuaj thiab tshuaj lom neeg. Cov txheej txheem kho tshuab xws li polishing, sib tsoo, uas blasting, uas lub cev hloov qhov ua tiav thiab tshem tawm cov kev ua tsis tiav thiab tshem tawm cov kev ua tsis tiav. Kev siv tshuaj lom neeg, ntawm qhov tod tes, koom nrog cov kev daws teeb meem tshwj xeeb, xws li txhim kho corrosion.
Pickling thiab passivation: cov txheej txheem tseem ceeb
Ob ntawm cov txheej txheem siv tshuaj ntau tshaj plaws rau cov txheej txheem kev kho kom zoo rau cov hlau tsis muaj zog yog pickling thiab passivation.
Pickling yog tus txheej txheem uas tshem tawm oxides, nplai, thiab lwm yam paug los ntawm cov hlau ntawm stainless hlau. Qhov no feem ntau ua tiav siv cov tshuaj sib xyaw ua ke, xws li hydrochloric lossis sulfuric acid. Cov txheej txheem pickling tsis tsuas yog ntxuav qhov saum npoo tab sis kuj npaj nws rau kev kho ntxiv, ua kom pom kev zoo ntawm cov nplaum lossis ua tiav.
Hla, ntawm qhov tod tes, yog txheej txheem uas txhim kho cov olide oxide txheej ntawm cov hlau hlau, muab ib qho kev cuam tshuam ntxiv tiv thaiv corrosion. Qhov no feem ntau ua tiav los ntawm kev kho cov hlau nrog kev daws muaj cov citric lossis nitric acid. Passivation yog qhov tseem ceeb rau kev tswj hwm kev ncaj ncees ntawm stainless hlau nyob rau hauv ib puag ncig txom nyem, ua nws cog lus loj heev nyob rau hauv cov txheej txheem kev kho mob.
Cov lus qhia tshwj xeeb rau pickling thiab passivation
Thaum nws los txog rau pickling thiab passivation, ua raws cov lus qhia tshwj xeeb yog qhov tseem ceeb rau kev ua tiav cov txiaj ntsig zoo tshaj plaws.
1. Picking Cov Lus Qhia:
- Xyuas kom cov hlau stainless hlau yog huv thiab dawb los ntawm roj lossis av.
- Npaj cov kev daws teeb meem rau cov khw li cas raws li cov khw cov txheej txheem, kom muaj tseeb ntawm cov acids.
- Riam rau ntawm cov kav hlau stainless hauv qhov kev daws teeb meem rau cov kev pom zoo ntev, feem ntau yog kwv yees li ob peb feeb, nyob ntawm qhov tuab ntawm oxide txheej.
- Yaug kom huv si nrog dej kom nruab nrab cov kua qaub thiab tshem tawm cov seem.
2. Cov lus qhia txog kev kho mob hla:
- Tom qab pickling, yaug cov stainless hlau seem kom tshem tawm cov khoom seem.
- Npaj cov kev daws teeb meem uas passivation, kom ntseeg tau nws ua tau raws li cov lus qhia tshwj xeeb.
- Thaum ua cov hlau stainless nyob rau hauv cov kev daws passivation rau lub sijhawm pom zoo, feem ntau ntawm 20 mus rau 30 feeb.
- Yaug nrog cov dej deionized kom tshem tawm cov kev daws teeb meem uas seem thiab cov seem qhuav.
Qhov sib txawv ntawm pickling thiab passivation
Thaum ob qho tib si pickling thiab passivation yog qhov tseem ceeb rau kev kho cov hlau stainless hlau, lawv pab cov laj thawj sib txawv. Pickling yog feem ntau tsom ntsoov rau kev ntxuav cov nplaim thiab tshem tawm cov paug tsis txaus ntseeg los txhim kho cov roj oxide, txhim kho corrosion tsis kam. Nkag siab cov kev sib txawv no yog qhov tseem ceeb heev rau kev xaiv txoj kev kho kom haum raws li kev thov tshwj xeeb thiab ib puag ncig.
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Ntawm jindalai steel tuam txhab, peb paub tias kev kho mob saum npoo hlau tsis yog ib kauj ruam kev tsim khoom; Nws yog qhov tseem ceeb ntawm kev txiav txim siab ntev thiab ua tau zoo ntawm cov khoom kawg. Los ntawm kev ua haujlwm Advanced Advenion Stainless Hlau Nto Kho Technologies, suav nrog pickling thiab passivation, peb paub tseeb tias peb cov khoom muaj cov qauv zoo tshaj plaws thiab kav ntev. Txawm hais tias koj puas xav tau ntawm cov hlau stainless rau kev tsim kho, tsheb, lossis lwm yam kev lag luam, peb cov kev daws teeb meem zoo tshaj plaws rau koj cov kev xav tau.
Lub Sijhawm Post: Dec-03-2024