Vim Li Cas Cov Hlau Stainless Thiaj Li Dub Los Yog Daj

Kev Taw Qhia

Cov hlau tsis xeb yuav hloov xim dub lossis daj thaum cua sov, cov tshuaj lom neeg, cov khoom xeb lossis cov pa phem ntawm qhov chaw hloov qhov tuab lossis qhov xwm txheej ntawm nws cov zaj duab xis oxide.Cov xim daj, straw, xiav thiab ntshav feem ntau yog txuam nrog cov xim kub, thaum cov cheeb tsam dub yuav qhia tau tias muaj kev oxidation ntau dua, kev kub hnyiab, qhov vuam sib txawv, hlau nkag mus rau hauv lossis cov xeb hauv zos.

Qhov xim tsis zoo ib txwm txhais tau tias cov hlau tsis xeb puas lawm. Qhov xim daj nyias nyias ntawm qhov kub yuav cuam tshuam rau qhov zoo li cas, thaum cov nplai tsaus, cov qhov me me, cov kab nrib pleb lossis cov pa roj carbon-steel yuav qhia tau tias qhov chaw tsis ua haujlwm tau puas lawm. Yog li ntawd, kev kuaj mob kom raug yog qhov tseem ceeb dua li tsuas yog txhuam cov xim uas pom xwb.

Yuav Ua Li Cas Cov Hlau Stainless Tiv Thaiv Nws Tus Kheej

Cov hlau tsis xeb muaj cov chromium txaus los ua ib daim zaj duab xis oxide nplua nuj chromium thaum qhov chaw raug oxygen. Daim zaj duab xis passive no cais cov hlau hauv qab ntawm ib puag ncig thiab tuaj yeem rov qab zoo li qub tom qab muaj kev puas tsuaj me me thaum muaj oxygen.

Cov zaj duab xis passive no nyias heev thiab feem ntau pom tseeb. Yog li ntawd, cov hlau stainless tseem khaws nws cov tsos hlau nyob rau hauv cov xwm txheej kev pabcuam ib txwm muaj. Thaum cua sov ua rau cov oxide tuab lossis cov pa phem hloov pauv cov tshuaj lom neeg ntawm qhov chaw, lub teeb cuam tshuam txawv ntawm qhov chaw thiab cov xim pom tau pib tshwm sim.

Tus cwj pwm tiv thaiv ntawm cov hlau tsis xeb nyob ntawm ntau yam tsis yog tsuas yog cov chromium xwb. Qib alloy, cov molybdenum, qhov roughness ntawm qhov chaw, keeb kwm ntawm kev tsim khoom, kev muaj oxygen, qhov kub, chloride concentration thiab kev ntxuav txhua yam cuam tshuam rau qhov ua haujlwm ntawm qhov chaw.

Kev Kuaj Mob Sai Sai ntawm Kev Hloov Xim Dub thiab Daj

Vim Li Cas Cov Hlau Stainless Thiaj Li Daj

Kev Tsim Xim Kub Thaum Ntxov

Feem ntau cov xim daj, xim av daj, lossis xim kub daj yog tsim thaum cov hlau tsis xeb raug cua sov txaus kom nws cov zaj duab xis oxide tuab dua, tab sis tsis txaus los ua cov nplai dub hnyav. Qhov no yuav tshwm sim thaum lub sijhawm vuam, brazing, kho cua sov, ua noj dua, kev pabcuam pa tawm lossis kev ua haujlwm ze ntawm qhov chaw cua sov.

Cov xim pom tau yog tsim los ntawm kev cuam tshuam ntawm lub teeb pom kev hauv cov txheej oxide. Thaum cov oxide tuab zuj zus, cov xim pom tau tuaj yeem hloov pauv ntawm daj ntseg mus rau kub, xim av, ntshav thiab xiav. Qhov tsos tseeb nyob ntawm qhov kub thiab txias, lub sijhawm raug, qib oxygen, qhov tiav ntawm qhov chaw thiab qib alloy.

Kev Ntxuav thiab Cov Khoom seem ntawm cov txheej txheem

Cov xim daj tsis yog xim kub tas li. Cov roj, cov quav ciab, cov tshuaj txhuam hniav, cov tshuaj ntxuav alkaline thiab cov tshuaj ntxuav tes seem yuav ua rau muaj xim daj, tshwj xeeb tshaj yog tom qab qhov chaw raug cua sov. Hauv cov khoom noj khoom haus lossis cov khoom siv hauv tsev, cov zaub mov los ntawm dej kuj tseem yuav ua rau muaj cov xim daj lossis xim av.

Feem ntau cov seem seem ua haujlwm txawv ntawm cov xim kub hlau. Nws tuaj yeem tshem tawm nrog cov tshuaj ntxuav uas sib xws, thaum cov xim oxide tiag tiag tseem nyob ruaj khov rau cov hlau kom txog thaum nws raug tshem tawm los ntawm tshuaj lom neeg lossis tshuab.

Vim Li Cas Cov Hlau Stainless Thiaj Li Dub

Hnyav Oxidation thiab Vuam Nplai

Thaum cov hlau tsis xeb kub dhau lossis raug cua sov ntev dua, xim dub lossis xim grey tsaus yuav tshwm sim. Kev vuam tsis muaj kev tiv thaiv txaus, kev ua kom kub, kev kho cua sov thiab kev sib tsoo kub ntau dhau tuaj yeem tsim cov txheej oxide tuab dua li cov xim daj kub ib txwm muaj.

Cov oxide tsaus nti tsis sib npaug rau cov zaj duab xis passive thawj. Hauv cov cheeb tsam uas vuam kub, chromium tuaj yeem sib sau ua ke hauv cov oxide thaum qhov chaw hauv qab yuav ploj mus. Yog tias cov txheej txheej cuam tshuam tsis raug tshem tawm kom raug thiab qhov chaw tsis rov qab zoo, kev tiv thaiv corrosion ze ntawm qhov vuam yuav qis dua li ntawm cov khoom siv tsis cuam tshuam.

Kev Ua Phem Rau Cov Hlau Carbon

Cov hmoov av sib tsoo, txhuam hlau, cov khoom siv nqa, cov txee cia khoom thiab cov cuab yeej uas siv rau ntawm cov hlau carbon yav dhau los tuaj yeem xa cov hlau dawb mus rau qhov chaw ntawm cov hlau tsis xeb. Cov khoom me me uas tau tso rau hauv cov hlau no yuav xeb lossis ua rau muaj kev kub ntxhov thaum lub sijhawm ua kom sov, ua rau muaj cov xim tsaus, xim av lossis dub uas tuaj yeem yuam kev rau kev xeb ntawm cov hlau tsis xeb nws tus kheej.

Kev sib kis kab mob yog qhov tshwm sim ntau hauv cov khw muag khoom sib xyaw ua los ntawm hlau. Cov chaw ua haujlwm sib cais, cov txhuam hlau tsis xeb tshwj xeeb, cov khoom siv txhuam huv thiab qhov chaw khaws khoom tiv thaiv txo qhov kev pheej hmoo no.

Cov Chaw Xeb Xeb Hauv Zos

Kev xeb ntawm qhov tawg thiab qhov tawg tuaj yeem ua rau muaj cov xim tsaus hauv cov chaw puas tsuaj. Qhov no hnyav dua li cov xim pleev kom zoo nkauj vim tias qhov chaw hlau tej zaum yuav twb tau nkag mus rau hauv qhov ntsuas lawm.

Cov tshuaj chlorides, cov kua dej uas tsis txav, cov av uas lo rau, cov qhov tawg ntawm lub gasket, qhov kub siab thiab qib tsis haum yuav ua rau muaj kev pheej hmoo ntawm kev xeb hauv zos. Kev txhuam cov xim uas pom tsis tau yam tsis kho qhov chaw ib puag ncig yuav tsis tiv thaiv kev puas tsuaj rov qab los.

Puas yog qhov tsis muaj xim txo qhov kev tiv thaiv corrosion?

Cov lus teb nyob ntawm seb yog vim li cas. Ib daim roj uas tshem tau yuav tsis muaj txiaj ntsig ntau tom qab ntxuav kom huv. Ib xim kub nyias nyias rau ntawm ib qho khoom qhuav uas tsis tseem ceeb yuav zoo nkauj heev. Xim kub vuam, hlau uas muab tso rau hauv thiab xeb hauv zos yuav tsum tau saib xyuas ntau dua vim tias lawv tuaj yeem tsim cov xwm txheej tiv thaiv tsawg dua.

Cov Yam Uas Cuam Tshuam Rau Kev Hloov Xim

Qib Hlau Stainless

Cov qib sib txawv teb rau cov cua sov thiab cov xov xwm corrosive sib txawv. Hom 304 yog qhov tsim nyog rau ntau daim ntawv thov dav dav, thaum molybdenum-bearing 316 lossis 316L yuav muab kev tiv thaiv zoo dua rau kev tawm tsam hauv zos hauv cov chaw chloride xaiv. Cov qib siab dua-alloy yuav tsum tau rau qhov kub thiab txias, tshuaj lom neeg lossis chloride sib xyaw ua ke.

Kev xaiv qib yuav tsum yog raws li qhov nruab nrab tiag tiag, kev sib xyaw, qhov kub, txoj kev tsim khoom thiab kev xyaum ntxuav es tsis yog raws li qhov tsos xwb.

Qhov Chaw Tiav

Cov chaw ntxhib khaws cov khib nyiab thiab cov khoom seem yooj yim dua li cov chaw du. Cov xim txhuam uas tig mus rau sab nraud kuj tuaj yeem ntes cov khoom qias neeg raws cov kab txhuam. Cov xim du dua tuaj yeem txhim kho kev ntxuav, tab sis nws tsis them rau cov hlau tsis haum lossis kev raug tshuaj lom neeg hnyav.

Kub thiab Huab Cua

Kev loj hlob ntawm cov oxide nyob ntawm ob qho tib si kub thiab lub sijhawm. Qhov concentration ntawm cov pa oxygen thiab qhov zoo ntawm cov pa roj tiv thaiv kuj tseem ceeb thaum lub sijhawm vuam. Qhov chaw vuam sab nraud yuav zoo li txais tau thaum sab hauv paus yuav raug oxidized ntau yog tias kev npog cov pa roj tom qab tsis txaus.

Cov Chlorides thiab Cov Tshuaj Residues

Cov ntsev, cov tshuaj dawb seem, cov kua qaub hydrochloric thiab cov tshuaj ntxuav uas muaj chloride tuaj yeem ua rau cov hlau stainless puas tsuaj. Qhov kub siab, kev ua pa thiab cov xwm txheej tsis txav ua rau cov tshuaj no sib sau ua ke thiab ua rau muaj kev pheej hmoo ntawm kev xeb xim av, xeb qhov lossis tawg.

Yuav Ua Li Cas Tiv Thaiv Kom Tsis Txhob Muaj Xim Dub Los Yog Xim Daj

• Xaiv qib kom raug:Ua ntej xaiv cov khoom siv, xyuas seb qhov kub thiab txias li cas, cov tshuaj chlorides, cov tshuaj siv rau kev ua haujlwm, cov tshuaj ntxuav thiab lub sijhawm ua haujlwm ntev npaum li cas.
• Tswj cov cua sov vuam:Siv cov txheej txheem vuam tsim nyog thiab zam kom tsis txhob kub dhau.
• Tswj kev tiv thaiv:Tiv thaiv ob qho tib si lub ntsej muag vuam thiab sab hauv paus los ntawm kev oxidation ntau dhau.
• Cov cuab yeej tsim khoom sib cais:Siv cov txhuam tshwj xeeb, cov khoom siv abrasives, cov rooj ua haujlwm thiab cov khoom siv tsa rau cov hlau tsis xeb.
• Tshem tawm cov khoom seem ntawm kev tsim khoom:Ntxuav cov roj, cov tshuaj cim, cov nplaum, cov khoom sib tsoo thiab cov khoom seem vuam ua ntej kev pabcuam.
• Siv cov tshuaj ntxuav uas sib xws:Tsis txhob siv cov khoom uas muaj cov chlorides uas ua rau puas tsuaj lossis tso cov khoom seem uas nyuaj rau ntxuav.
• Yaug kom huv si:Tshem tawm cov tshuaj ntxuav thiab cov minerals nrog dej huv uas tsim nyog.
• Tshawb xyuas cov qhov tawg thiab cov deposits:Ua tib zoo saib xyuas cov gaskets, cov fasteners, cov pob qij txha thiab cov cheeb tsam uas tsis txav.

Yuav Ua Li Cas Kho Kom Zoo Dua Qhov Chaw Hlau Stainless Uas Muaj Xim Tsis Zoo

Kauj Ruam 1: Txheeb Xyuas Qhov Ua Rau

Ua ntej ntxuav, txiav txim siab seb qhov xim tsis zoo yog xim kub, muaj cov av ntau, cov khoom seem, cov hlau kis lossis kev puas tsuaj los ntawm kev xeb. Sau qhov chaw uas nws tshwm sim, seb nws puas yog raws li qhov vuam lossis cov qauv kub, thiab seb nws puas tuaj yeem tshem tawm nrog kev ntxuav maj mam.

Kauj Ruam 2: Tshem Tawm Cov Roj thiab Cov Khoom Uas Tsis Muaj kuab paug

Siv cov tshuaj ntxuav uas siv tau nrog cov hlau tsis xeb thiab cov khoom siv kho. Siv cov cuab yeej huv, tsis muaj zog thiab yaug qhov chaw kom huv si. Yuav tsum siv ib qho chaw me me los sim thaum yuav tsum khaws cov xim qub.

Kauj Ruam 3: Tshem Tawm Cov Xim Kub lossis Cov Nplaum

Yuav siv tau kev ntxuav kom huv si, kev siv tshuaj tua kab mob los yog kev ntxuav hluav taws xob nyob ntawm seb cov khoom zoo li cas, qhov tiav thiab qhov yuav tsum tau ua li cas. Cov txheej txheem ntxuav kom huv si yuav tsum tshem tawm cov txheej uas raug mob yam tsis muaj kev ua qias tshiab lossis tsim kom muaj qhov chaw ntxhib uas tsis zoo.

Cov khoom siv pickling tuaj yeem muaj cov kua qaub txaus ntshai thiab tsuas yog siv nrog kev cob qhia, cua nkag, cov khoom siv tiv thaiv tus kheej thiab kev tswj cov khib nyiab. Yuav tsum ua raws li cov lus qhia ntawm tus neeg muag tshuaj.

Kauj Ruam 4: Yaug, Tshawb Xyuas thiab Kho Qhov Chaw

Tom qab tshem tawm cov oxide lossis cov khoom ua qias tuaj, yaug thiab ziab cov khoom. Tshawb xyuas seb puas muaj cov nplai seem, cov qhov, cov khoom me me thiab kev hloov pauv rau qhov tiav qub. Kev siv passivation yuav raug teev tseg tom qab ntxuav kom tshem tawm cov hlau dawb thiab txhawb nqa kev tsim ntawm qhov chaw huv si.

Xaiv Cov Hlau Stainless rau Cov Qauv Tseem Ceeb

Cov vaj huam sib luag kho kom zoo nkauj, cov khoom siv hauv tsev, cov khoom siv ua zaub mov thiab cov khoom siv hauv tsev xav tau kev tiv thaiv xeb thiab kev zoo nkauj tas li. Cov neeg yuav khoom yuav tsum qhia qib, qhov tiav ntawm qhov chaw, kev coj ua kom ci ntsa iab, zaj duab xis tiv thaiv, qib qhov tsis zoo uas siv tau thiab txoj kev ntxuav tom qab tsim khoom.

SAKY STEEL cov khoom sivstainless hlau ntawv thiab phajnyob rau hauv ntau qib thiab cov xwm txheej ntawm qhov chaw. Cov ntawv thov precision siv cov khoom siv nqaim-dav kuj tseem tuaj yeem tshuaj xyuas cov muajstainless hlau stripntau yam khoom.

Thaum qhov tsos tseem ceeb, xa cov duab, cov qauv tiav lossis qhov ntsuas qhov roughness uas xav tau nrog cov lus nug. Cov lus xws li "qhov chaw zoo meej," "tsis hloov xim" lossis "ib txwm ci" yuav tsum tau hloov nrog cov qauv tshuaj xyuas uas tuaj yeem pom zoo ua ntej tsim khoom.

Cov Lus Nug Feem Ntau

Vim li cas cov hlau tsis xeb thiaj li daj tom qab cua sov?

Kev cua sov ua rau cov zaj duab xis oxide ntawm qhov chaw tuab zuj zus. Cov oxide nyias nyias uas loj hlob los ntawm cua sov tuaj yeem cuam tshuam lub teeb ua daj, straw lossis kub. Kev raug cua sov ntau dua tuaj yeem ua rau xim av, ntshav, xiav thiab thaum kawg tsaus nti.

Vim li cas cov hlau stainless hlau thiaj li dub tom qab vuam?

Cov cheeb tsam dub ze ntawm qhov vuam feem ntau yog cov pa oxide hnyav uas tshwm sim los ntawm kev nkag mus rau hauv qhov kub siab lossis tsis txaus tiv thaiv. Cov roj hlawv, cov tshuaj cim thiab cov pa roj carbon-steel kuj tseem yuav ua rau muaj cov av tsaus.

Puas yog cov hlau stainless daj tseem tiv taus xeb?

Nws nyob ntawm qhov ua rau thiab qhov chaw pabcuam. Cov seem seem uas tshem tau ntawm qhov chaw yuav tsis cuam tshuam rau cov hlau hauv paus, thaum cov xim kub vuam tuaj yeem txo qhov kev ua haujlwm xeb hauv zos. Cov tshuaj lom neeg tseem ceeb, dej hiav txwv, zaub mov lossis kev siv huv yuav tsum tau soj ntsuam thiab ntxuav raws li cov txheej txheem pom zoo.

Cov kua txiv qaub los yog cov tshuaj ntxuav hauv tsev puas tuaj yeem tshem tawm cov xim kub?

Cov tshuaj ntxuav me me yuav tshem tawm cov roj, cov zaj duab xis mineral lossis cov khoom seem me me, tab sis lawv yuav tsis tshem tawm cov oxide uas loj hlob los ntawm cua sov tiag tiag. Tsis txhob sim siv cov tshuaj ntxuav rau cov khoom siv tseem ceeb vim tias cov khoom tsis sib xws yuav ua rau qhov chaw puas tsuaj lossis muaj cov chlorides.

Puas yog passivation tshem tawm cov nplai vuam dub?

Kev siv passivation ib leeg tsis yog siv los tshem tawm cov nplai hnyav. Yuav tsum tshem tawm cov nplai ua ntej los ntawm kev siv tshuab, tshuaj lom neeg lossis hluav taws xob. Kev siv passivation ces yuav raug teev tseg kom tshem tawm cov hlau dawb thiab txhawb nqa qhov chaw huv si.

Qib hlau stainless twg yuav tsis hloov xim tsawg tshaj?

Tsis muaj cov hlau stainless twg uas yuav tiv taus cov xim kub lossis cov kuab paug. Cov hlau alloy siab dua yuav tiv taus xeb zoo dua hauv cov xov xwm tshwj xeeb, tab sis qhov kub thiab txias, kev xyaum vuam, qhov chaw tiav thiab kev saib xyuas tseem ceeb heev.

Kev Txhawb Nqa Cov Khoom Siv thiab Kev Xaiv Nto