Nyali za pamsewuMonga aliyense akudziwira, nthawi zambiri amapezeka mbali zonse ziwiri za misewu. Nsanamira za nyali za mumsewu ziyenera kutetezedwa ku dzimbiri ndipo zikhale ndi gawo lakunja lalitali chifukwa zimakhudzidwa ndi mphepo, mvula, ndi kuwala kwa dzuwa. Tiyeni tikambirane za kutenthetsa kwa galvanizing tsopano popeza mukudziwa zofunikira pa nsanamira za nyali za mumsewu.
Njira yopambana yoletsa dzimbiri la zitsulo, kuyika galvanizing mu hot-dip zinc plating—yomwe imadziwikanso kuti hot-dip zinc plating—imagwiritsidwa ntchito kwambiri pazida zachitsulo m'mafakitale osiyanasiyana. Zimaphatikizapo kumiza zitsulo zomwe zachotsedwa dzimbiri mu zinc yosungunuka pafupifupi 500°C, zomwe zimapangitsa kuti zinc isamamatire pamwamba pa zitsulo, motero zimateteza dzimbiri. Njira yoyika galvanizing mu hot-dip ndi iyi: kutsuka - kuwonjezera flux - kuumitsa - kuyika - kuziziritsa - mankhwala - kuyeretsa - kupukuta - kuyika galvanizing mu hot-dip kwatha.
Kuyika ma galvanizing m'madzi otentha kunachokera ku njira zakale zoyika ma galvanizing m'madzi otentha, ndipo kwakhala ndi mbiri ya zaka zoposa 170 kuyambira pamene kunagwiritsidwa ntchito m'mafakitale ku France mu 1836. M'zaka makumi atatu zapitazi, chifukwa cha kukula kwachangu kwa chitsulo chozungulira chozizira, makampani opanga ma galvanizing m'madzi otentha akumana ndi chitukuko chachikulu.
Ubwino wa Hot-Dip Galvanizing
Kupaka ma galvanizing otentha ndi kotsika mtengo kuposa utoto wina uliwonse, zomwe zimapangitsa kuti ndalama zisamawonongeke.
Kuthira ma galvanizing m'madzi otentha ndi kolimba ndipo kumatha zaka 20-50.
Moyo wautali wa ntchito ya galvanizing yotenthedwa ndi kutentha umapangitsa kuti ndalama zogwirira ntchito zikhale zochepa poyerekeza ndi utoto.
Njira yothira ma galvanizing m'madzi otentha ndi yachangu kuposa yopaka utoto, kupewa kupenta ndi manja, kusunga nthawi ndi ntchito, komanso ndi yotetezeka.
Kupaka galvanizing kotentha kumakhala ndi mawonekedwe okongola komanso okongola.
Chifukwa chake, kugwiritsa ntchito ma galvanizing otentha pamitengo ya magetsi a pamsewu ndi chifukwa cha luso lochita bwino komanso kusankha bwino panthawi yomanga ndi kugwiritsa ntchito.
Kodi kuyika ma galvanizing pa nsanamira za nyali za pamsewu kumafuna kuti magetsi azigwira ntchito pang'onopang'ono?
Zinc ndi utoto wa anodic pa zinthu zachitsulo; pamene dzimbiri limachitika, utotowo umawononga kwambiri. Chifukwa zinc ndi chitsulo chomwe chili ndi mphamvu yoipa komanso yogwira ntchito, chimasungunuka mosavuta. Chikagwiritsidwa ntchito ngati utoto, kuyandikira kwake ku zitsulo zomwe zili ndi mphamvu yoipa kumathandizira kuti dzimbiri liziwonongeke. Ngati zinc iwononga mwachangu, imalephera kuteteza gawo lapansi. Ngati chithandizo cha passivation chikugwiritsidwa ntchito pamwamba kuti chisinthe mphamvu yake pamwamba, chidzathandiza kwambiri kukana dzimbiri pamwamba pake ndikuwonjezera mphamvu yoteteza ya utoto pa nsanamira ya nyali. Chifukwa chake, zigawo zonse za galvanized zimafunika kuchitidwa njira zosiyanasiyana zotetezera kuti zikwaniritse mphamvu yoteteza.
Ziyembekezo zamtsogolo za chitukuko cha mizati ya magetsi yopangidwa ndi galvanized zikulonjeza. Njira zatsopano zokutira zidzagwiritsidwa ntchito mtsogolo, zomwe zidzathandiza kwambiri kukana dzimbiri. Mizati ya magetsi yopangidwa ndi galvanized yotenthedwa ndi yabwino kwambiri pa ntchito zosiyanasiyana, kuphatikizapo madera a m'mphepete mwa nyanja ndi chinyezi chambiri, ndipo imakhala ndi moyo wa zaka zoposa 20. Mwa kuwonjezera 5G, kuyang'anira, ndi zina, kukweza kwa modular kungagwiritsidwe ntchito bwino kwambiri m'madera akumidzi, mafakitale, ndi m'matauni. Ndi njira yotchuka yogulira uinjiniya chifukwa cha kuthekera kwawo kwakukulu kwa chitukuko, komwe kumatheka chifukwa cha kupita patsogolo kwaukadaulo ndi chithandizo cha mfundo.
Chitsulo cha Q235 chapamwamba chimagwiritsidwa ntchito ndi Tianxiang popanga magetsi a m'misewu,mizati ya magetsi ya pabwalondimagetsi anzeru. Kuthira ma galvanizing otentha, mosiyana ndi mitengo yopakidwa utoto wamba, kumaonetsetsa kuti pulasitiki ya zinc imakhala yolimba nthawi zonse yomwe imawapangitsa kuti asavutike ndi kupopera mchere komanso kuwala kwa dzuwa mwachindunji, zomwe zimapangitsa kuti dzimbiri ndi dzimbiri zisawonongeke ngakhale panja pakhale nyengo yovuta. Pali kutalika kwapadera kuyambira mamita 3 mpaka 15, ndipo makulidwe a khoma ndi m'mimba mwake zimatha kusinthidwa kuti zigwirizane ndi zosowa zinazake.
Malo athu akuluakulu ogwirira ntchito zopaka magesi ku fakitale yathu ali ndi mphamvu zokwanira zopangira, zomwe zimatithandiza kukwaniritsa maoda akuluakulu mwachangu. Mitengo yotsika mtengo ndi yotsimikizika ndipo amalonda amachotsedwa ndi zinthu mwachindunji kuchokera kwa gwero. Timagwira nawo ntchito za misewu, malo opangira mafakitale, ndi mapulojekiti a boma. Mgwirizano wanu ndi mafunso anu tikukuthokozani kwambiri!
Nthawi yotumizira: Disembala-10-2025
