1. Kukana Dzimbiri Kwambiri
Cholinga chachikulu cha galvanizing ndikuletsa dzimbiri m'njira zake—ndipo apa ndi pomwe wosanjikiza wa zinc oxide pa chitsulo chopangidwa ndi galvanizing umayambira. Umu ndi momwe zimagwirira ntchito: utoto wa zinc umawononga choyamba, zomwe zimapangitsa kuti chitsulo chomwe chili pansi pake chikhalebe cholimba kwa nthawi yayitali. Popanda chishango cha zinc ichi, chitsulo chingakhale chosavuta kugwidwa ndi dzimbiri, ndipo kukhudzidwa ndi mvula, chinyezi, kapena zinthu zina zachilengedwe kungachititse kuti chiwole msanga.
2. Nthawi Yowonjezera ya Moyo
Kukhalitsa kumeneku kumachokera mwachindunji ku chophimba choteteza. Kafukufuku akusonyeza kuti, nthawi zambiri, chitsulo cholimba chomwe chimagwiritsidwa ntchito m'mafakitale chingakhale ndi zaka 50. Ngakhale m'malo omwe amawononga kwambiri—monga malo omwe ali ndi madzi ambiri kapena chinyezi—chingathe kupirirabe kwa zaka 20 kapena kuposerapo.
3. Kukongola Kokongola
Anthu ambiri amavomereza kuti chitsulo chopangidwa ndi galvanized chili ndi mawonekedwe okongola kwambiri kuposa zitsulo zina zambiri. Pamwamba pake pamakhala powala komanso poyera, zomwe zimapangitsa kuti chiwoneke bwino.
Kumene Chitsulo Chopangidwa ndi Magetsi Chimagwiritsidwa Ntchito
Njira zosiyanasiyana zingagwiritsidwe ntchito popangira galvanizing:
2. Kupaka magetsi pogwiritsa ntchito ma electro galvanizing
3. Kufalikira kwa zinki
4. Kupopera kwachitsulo
Kuviika kotentha kwambiri
Pa nthawi yogwiritsira ntchito galvanizing, chitsulocho chimamizidwa mu bafa yosungunuka ya zinc. Kulowetsa galvanizing (HDG) kumaphatikizapo magawo atatu ofunikira: kukonzekera pamwamba, kuyika galvanizing, ndi kuyang'anira.
Kukonzekera Pamwamba
Pokonzekera pamwamba, chitsulo chopangidwa kale chimatumizidwa kuti chigwiritsidwe ntchito popaka galvanizing ndipo chimadutsa magawo atatu oyeretsera: kuchotsa mafuta, kutsuka asidi, ndi kusuntha. Popanda njira yoyeretsera imeneyi, galvanizing singapitirire chifukwa zinc sidzagwirizana ndi chitsulo chosayera.
Kukongoletsa
Pambuyo pokonza pamwamba pake, chitsulocho chimamizidwa mu 98% ya zinc yosungunuka pa 830°F. Ngodya yomwe chitsulocho chimamizidwa mumphika iyenera kulola mpweya kutuluka m'mawonekedwe a tubular kapena m'matumba ena. Izi zimathandizanso kuti zinc iyende kudzera ndi kulowa m'thupi lonse la chitsulo. Mwanjira imeneyi, zinc imakhudzana ndi chitsulo chonsecho. Chitsulo chomwe chili mkati mwa chitsulocho chimayamba kuchitapo kanthu ndi zinc, ndikupanga zinc-iron intermetallic coating. Kumbali yakunja, zinc yoyera imayikidwa.
Kuyendera
Gawo lomaliza ndikuyang'ana chophimbacho. Kuwunika kowoneka bwino kumachitika kuti muwone ngati pali malo osaphimbidwa pa chitsulo, chifukwa chophimbacho sichidzamamatira ku chitsulo chosadetsedwa. Choyezera makulidwe a maginito chingagwiritsidwenso ntchito kudziwa makulidwe a chophimbacho.
2 Kupaka magetsi pogwiritsa ntchito ma electro galvanizing
Chitsulo chopangidwa ndi magiya chimapangidwa kudzera mu njira yamagetsi. Mu njira iyi, chitsulocho chimamizidwa mu bafa la zinc, ndipo magetsi amadutsamo. Njirayi imadziwikanso kuti electroplating.
Chitsulocho chisanagwiritsidwe ntchito ndi ma electrogalvanizing, chiyenera kutsukidwa. Pano, zinc imagwira ntchito ngati anode yoteteza chitsulocho. Pa electrolysis, zinc sulfate kapena zinc cyanide imagwiritsidwa ntchito ngati electrolyte, pomwe cathode imateteza chitsulocho ku dzimbiri. Electrolyte iyi imapangitsa kuti zinc ikhale pamwamba pa chitsulocho ngati chophimba. Chitsulocho chikamizidwa kwa nthawi yayitali mu bafa la zinc, chophimbacho chimakhala chokhuthala.
Kuti ziwonjezeke kukana dzimbiri, zophimba zina zosinthika zimakhala zothandiza kwambiri. Njirayi imapanga zinc ndi chromium hydroxides zina, zomwe zimapangitsa kuti pamwamba pa chitsulo pawoneke ngati buluu.
3 Kulowa kwa Zinc
Kuphimba zinki kumaphatikizapo kupanga chophimba cha zinki pamwamba pa chitsulo kapena chitsulo kuti chitsulo chisawonongeke.
Mu ndondomekoyi, chitsulo chimayikidwa mu chidebe chokhala ndi zinc, chomwe chimatsekedwa ndikutenthedwa mpaka kutentha kotsika kuposa komwe zinc imasungunuka. Zotsatira za izi ndi kupangidwa kwa zinc-iron alloy, yokhala ndi gawo lakunja lolimba la zinc yoyera yomwe imamatira pamwamba pa chitsulo ndikupereka kukana dzimbiri. Chophimbachi chimathandizanso kuti utoto ukhale wolimba pamwamba.
Pazinthu zazing'ono zachitsulo, zinc plating ndiyo njira yabwino kwambiri. Njirayi ndi yoyenera makamaka pazinthu zachitsulo zosaoneka bwino, chifukwa gawo lakunja limatha kutsatira mosavuta kapangidwe ka chitsulo choyambira.
4 Kupopera Chitsulo
Mu ndondomeko yopopera zinc plating yachitsulo, tinthu ta zinc tosungunuka tokhala ndi magetsi kapena atomu timapopera pamwamba pa chitsulo. Njirayi imachitika pogwiritsa ntchito mfuti yopopera ya m'manja kapena lawi lapadera.
Musanagwiritse ntchito chivundikiro cha zinc, zinthu zonse zodetsa, monga zophimba pamwamba zosafunikira, mafuta, ndi dzimbiri, ziyenera kuchotsedwa. Ntchito yoyeretsa ikatha, tinthu ta zinc tosungunuka tomwe timapopera timene timathiridwa pamwamba pa nthaka yosalala, komwe timalimba.
Njira yopopera utoto wachitsulo iyi ndiyo yoyenera kwambiri popewa kung'ambika ndi kusweka, koma si yabwino kwambiri popereka kukana dzimbiri.
Kodi chivundikiro cha zinc chimatenga nthawi yayitali bwanji?
Ponena za kulimba, nthawi zambiri zimatengera makulidwe a utoto wa zinc, komanso zinthu zina monga mtundu wa malo, mtundu wa utoto wa zinc womwe umagwiritsidwa ntchito, komanso mtundu wa utoto kapena utoto wopopera. Mtundu wa utoto wa zinc ukakhala wokhuthala, umakhala ndi moyo wautali.
Kuthira ma galvanizing otentha poyerekeza ndi kuziziraZophimba zotentha zoviikidwa m'madzi nthawi zambiri zimakhala zolimba kuposa zophimba zozizira zoviikidwa m'madzi chifukwa nthawi zambiri zimakhala zokhuthala komanso zolimba. Kuviika m'madzi otentha kumaphatikizapo kumiza chitsulo mu zinc yosungunuka, pomwe mu njira yozizira yoviikidwa m'madzi, gawo limodzi kapena awiri amapopedwa kapena kutsukidwa.
Ponena za kulimba, zokutira zomatira zothira ndi madzi otentha zimatha kukhala zaka zoposa 50 mosasamala kanthu za momwe zinthu zilili. Mosiyana ndi zimenezi, zokutira zomatira zomatira ndi madzi ozizira nthawi zambiri zimakhala miyezi ingapo mpaka zaka zingapo, kutengera makulidwe a zokutirazo.
Kuphatikiza apo, m'malo omwe amawononga kwambiri zinthu monga mafakitale, nthawi yogwiritsira ntchito zinc ikhoza kukhala yochepa. Chifukwa chake, kusankha zinc yopangira zinthu zapamwamba kwambiri ndikuzisunga kwa nthawi yayitali ndikofunikira kwambiri kuti muteteze kwambiri dzimbiri, kuwonongeka, ndi dzimbiri.
Nthawi yotumizira: Ogasiti-12-2025
