Bakin karfe sananne ne don kyakkyawan juriya na lalata, ƙarfi, da tsawon rai. Amma har ma da bakin karfe mafi girma na iya amfana daga maganin da ake kirawuce gona da iri. Idan kuna mamakiyadda ake passivate bakin karfe, Wannan labarin zai bi da ku ta hanyar duk abin da kuke buƙatar sani-daga abin da ake so, zuwa dalilin da ya sa yake da mahimmanci, da umarnin mataki-mataki kan yadda za ku yi daidai.
An kawo muku wannan jagorarsakysteel, Amintaccen mai samar da kayan aikin ƙarfe na duniya, yana ba da tallafin fasaha da kayan ƙima ga masana'antu a duk duniya.
Menene Passivation?
Abin sha'awawani tsari ne na sinadari wanda ke kawar da baƙin ƙarfe kyauta da sauran gurɓatattun abubuwa daga saman bakin karfe kuma yana haɓaka samuwar siriri, Layer oxide mai kariya. Wannan Layer oxide-da farko chromium oxide-yana aiki a matsayin garkuwa daga lalata da tsatsa.
Duk da yake bakin karfe a dabi'a yana samar da wannan Layer lokacin da aka fallasa shi zuwa iska, tsarin wucewa yana haɓakawa da daidaita shi, musamman bayan ayyukan masana'antu kamar mashin, walda, niƙa, ko maganin zafi.
Me Yasa Passivation Yana Da Muhimmanci
Passivation ba kawai mataki na zaɓi ba ne - yana da mahimmanci a masana'antu da yawa waɗanda ke buƙatar ƙaƙƙarfan ƙa'idodin tsabta, juriyar lalata, da dorewa.
Fa'idodin bakin karfe passivating sun haɗa da:
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Ingantacciyar juriyar lalata
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Cire barbashi na baƙin ƙarfe
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Kawar da gurbatar yanayi
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Ingantattun bayyanar ƙasa
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Tsawaita rayuwar sabis a cikin yanayi mara kyau
sakysteelyana ba da shawarar wuce gona da iri musamman ga abubuwan da ba su da ƙarfi da ake amfani da su a cikin ruwa, magunguna, ƙimar abinci, da masana'antar sarrafa sinadarai.
Yaushe Ya Kamata Ka Wuce Bakin Karfe?
Passivation ya kamata a yi la'akari da shi bayan kowane tsari wanda zai iya fallasa ko gurɓata saman bakin karfe:
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Machining ko yankan
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Welding ko brazing
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Pickling ko descaling
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Nika ko gogewa
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Gudanar da kayan aikin ƙarfe na carbon
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Bayyanawa ga gurɓatacce ko muhalli tare da chloride
Idan sassan bakinka suna nuna alamun canza launin, gurɓatawa, ko raguwar juriya, lokaci yayi da za a yi la'akari da wucewa.
Wadanne maki Bakin Karfe Za'a iya wucewa?
Yawancin maki na bakin karfe na iya wucewa, amma sakamakon zai iya bambanta dangane da gami.
| Daraja | Abun cikin Chromium | Dacewar Canjawa |
|---|---|---|
| 304 | 18% | Madalla |
| 316 | 16-18% + Mo | Madalla |
| 430 | 16 - 18% (fari) | Da kyau tare da kulawa |
| 410/420 | 11-13% (Martensitic) | Yana iya buƙatar kunnawa kafin wucewa |
sakysteelyana ba da jagorar zaɓin kayan aiki don taimaka wa abokan ciniki su zaɓi maki mara kyau waɗanda ke wucewa da kyau kuma suna aiki da dogaro a cikin mahalli masu lalata.
Yadda ake Wucewa Bakin Karfe: Tsari-mataki-Mataki
Akwai manyan nau'ikan nau'ikan nau'ikan abubuwan wucewa da ake amfani da su a masana'antu:
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Nitric acid tushenmafita
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Citric acid tushenmafita (mafi dacewa da muhalli)
Anan ga cikakken bayyani na tsarin wucewa:
Mataki 1: Tsaftace saman
Tsaftacewa sosai yana da mahimmanci kafin wucewa. Duk wani datti, mai, maiko, ko saura na iya tsoma baki tare da halayen sinadaran.
Hanyoyin tsaftacewa sun haɗa da:
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Abubuwan tsabtace alkaline
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Degreasers
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Maganin wanka
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Ultrasonic tsaftacewa (don ƙananan sassa)
Kurkura da ruwa mai tsabta kuma bushe idan an buƙata.
Mataki na 2: Cire sikelin ko Pickle (idan ana buƙata)
Idan bakin karfe saman yana da ma'auni mai nauyi, weld oxides, ko discoloration, yi apicklingtsari kafin passivation.
Pickling yana cirewa:
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Oxide yadudduka
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Weld discoloration
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Tint mai zafi
Ana yin pickling yawanci tare da acid mai ƙarfi kamar nitric-hydrofluoric acid ko manna pickling. Bayan pickling, kurkura sosai kafin a ci gaba da wucewa.
Mataki na 3: Aiwatar da Maganin Passivation
Zuba sashin da aka goge a cikin wankan wucewa ko amfani da maganin da hannu.
Hanyar Nitric acid:
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Hankali: 20-25% nitric acid
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Zazzabi: 50-70 ° C
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Lokaci: 20-30 mintuna
Hanyar citric acid:
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Mahimmanci: 4-10% citric acid
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Zazzabi: 40-60 ° C
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Lokaci: 30-60 mintuna
Koyaushe amfanikwantena filastik ko bakin karfedon gujewa gurɓata lokacin nutsewa.
Mataki na 4: Kurkura sosai
Bayan lokacin da ake buƙata a cikin wanka mai wucewa, kurkura sashin tare dadeionized ko distilled ruwa. Ruwan famfo na iya barin bayan ma'adanai ko ƙazanta.
Tabbatar an cire duk ragowar acid gaba ɗaya.
Mataki na 5: bushe saman saman
A bushe ta amfani da matsewar iska ko tufafi mai tsabta. Guji sake gurɓatawa daga kayan aikin ƙarfe na carbon ko datti.
Don aikace-aikace masu mahimmanci (misali, magunguna ko likita), ana iya bushe sassa a cikin ɗaki mai tsabta ko wucewa ta ɗakin.
Na zaɓi: Gwada saman
Ana iya gwada sassan da ke wucewa ta amfani da:
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Copper sulfate gwajin(ASTM A967): Gano ƙarfe kyauta
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Gwajin ɗaki mai zafi: Yana fallasa sassa zuwa yanayi mai ɗanɗano don duba juriyar lalata
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Gwajin zubar da ruwa ko gishiri: Don ƙarin haɓaka aikin ƙima na lalata
sakysteelyana amfani da ma'aunin ASTM A967 da A380 don tabbatar da ingancin wucewa da kuma tabbatar da ingantacciyar kariya ta lalata.
Tukwici na Tsaro don Ƙunƙwasawa
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Koyaushe sanya kayan kariya: safar hannu, tabarau, apron
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Yi aiki a cikin wuri mai cike da iska
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Tsabtace da zubar da acid bisa ga ƙa'idodin gida
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Ka guji yin amfani da goga na ƙarfe ko kayan aikin da za su iya sake dawo da gurɓataccen abu
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Ajiye sassa masu wucewa a cikin tsabta, busassun wurare
Aikace-aikace waɗanda ke buƙatar Ƙarfe Bakin Karfe
Passivation yana da mahimmanci ga abubuwan da aka yi amfani da su a:
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Kayan aikin sarrafa abinci da abin sha
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Injin likitanci da magunguna
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Tsarin sararin samaniya da tsarin jirgin sama
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Chemical da petrochemical shuke-shuke
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Semiconductor masana'antu
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Kayan aikin ruwa da na bakin teku
sakysteelyana ba da samfuran bakin karfe masu shirye-shiryen wucewa don duk aikace-aikacen da ke sama, da goyan bayan abubuwan ganowa da takaddun shaida masu inganci.
Madadin da Magungunan Sama Mai Ma'ana
Baya ga wucewa, wasu ayyuka na iya amfana daga:
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Electropolishing:Yana kawar da bakin bakin saman ƙasa don tsaftataccen tsafta da santsi
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Gyaran injina:Yana ƙara haske saman kuma yana kawar da gurɓatawa
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Gurasa:Ya fi ƙarfin wucewa, ana amfani da shi don tsaftace walda da ƙira
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Rubutun kariya:Epoxy, Teflon, ko suturar yumbu don ƙarin dorewa
Shawarasakysteeldon tantance mafi kyawun jiyya bayan ƙirƙira don aikace-aikacen bakin ku.
Kammalawa: Yadda ake Ƙarfafa Bakin Karfe don Mahimman Ayyuka
Passivation muhimmin tsari ne na gamawa wanda ke haɓaka juriyar lalata bakin karfe ta hanyar tsaftace sinadarai da maido da kariyar chromium oxide Layer. Ko kuna aiki a masana'antar abinci, samar da magunguna, ko ƙirƙira ta ruwa, wucewar sassan bakin karfen ku yana tabbatar da suna yin mafi kyawun su a cikin yanayi mara kyau.
Tare da tsaftacewa mai kyau, nutsewa, kurkura, da gwaji, bakin karfe na iya cimma cikakkiyar damarsa cikin karko da juriya ga tsatsa. Kuma tare da goyon bayan abin dogara mai kaya kamarsakysteel, za ku iya tabbatar da cewa kayan aikin ku na bakin ciki an sarrafa su yadda ya kamata kuma a shirye don sabis.
Lokacin aikawa: Yuli-23-2025