Kutenthetsa madzi otenthaNdi njira yomwe imagwiritsidwa ntchito kwambiri poteteza chitsulo ku dzimbiri. Njirayi imaphatikizapo njira zingapo zofunika, kuphatikizapo kukonza chisanadze, zomwe ndizofunikira kwambiri kuti chophimba cha galvanized chikhale chapamwamba komanso cholimba. Mbali yofunika kwambiri pakukonza chisanadze ndi kugwiritsa ntchito matanki ochotsera mafuta komanso kutentha kuti chikonzedwe kuti chigwiritsidwe ntchito pokonza galvanization.
Gawo loyamba mu ndondomeko ya hot-dip galvanizing ndichithandizo chisanachitike, zomwe zimaphatikizapo kuyeretsa chitsulo kuti muchotse zinthu zilizonse zomwe zingasokoneze njira yopangira galvanizing. Izi nthawi zambiri zimachitika mu thanki yochotsera mafuta, komwe chitsulocho chimamizidwa mu yankho lotentha la alkaline kuti muchotse mafuta, mafuta kapena zotsalira zina zachilengedwe pamwamba. Thanki yochotsera mafuta ndi gawo lofunika kwambiri lanjira yochizira chisanachitikechifukwa zimaonetsetsa kuti chitsulocho chatsukidwa bwino chisanagwiritsidwe ntchito ngati galvanized.
Chitsulo chikatsukidwa mu thanki yochotsera mafuta, chikhoza kutsukidwakutentha kaleGawo ili limaphatikizapo kutentha chitsulo kuti chichotse chinyezi chilichonse chotsala ndikukonzekeretsa pamwamba pake kuti pakhale njira yopangira ma galvanizing. Kutentha chitsulo ndikofunikira chifukwa kumathandiza kuonetsetsa kuti chophimba cha galvanizing chikugwira bwino pamwamba pake, zomwe zimapangitsa kuti chikhale cholimba komanso chokhalitsa.
Njira zokonzekera chithandizo zikatha, chitsulocho chimakhala chokonzeka kugwiritsidwa ntchito.chotenthetsera madzi otenthanjira. Izi zimaphatikizapo kumiza chitsulocho mu bafa la zinc yosungunuka, yomwe imalumikizana ndi chitsulocho kuti ipange chophimba choteteza chomwe sichingawonongeke ndi dzimbiri. Njira yopangira ma galvanizing imachitika kutentha kwambiri, nthawi zambiri pafupifupi 450°C (850°F), kuti zitsimikizire kuti chophimba cha zinc chikugwirizana bwino ndi chitsulocho.
Chitsulocho chikayikidwa galvanized, chimaziziritsidwa ndikuyang'aniridwa kuti zitsimikizire kuti chophimbacho chili chofanana komanso chopanda zolakwika zilizonse. Zinc yochulukirapo imachotsedwa, ndipo chitsulocho chimakhala chokonzeka kugwiritsidwa ntchito m'njira zosiyanasiyana, kuyambira pa zomangamanga ndi zomangamanga mpaka magalimoto ndi zida zamafakitale.
Mwachidule, njira yothira ma galvanizing m'madzi otentha imakhudza njira zingapo zofunika, kuphatikizapokulowetsedwa kwa madzi otentha musanagwiritse ntchito mankhwala, kugwiritsa ntchito matanki ochotsera mafuta, ndi kutentha koyambirira. Njira izi ndizofunikira kuti chitsulocho chikonzedwe bwino kuti chigwiritsidwe ntchito popanga ma galvanizing, zomwe zimapangitsa kuti chikhale ndi utoto wapamwamba komanso wokhalitsa womwe umapereka chitetezo chabwino kwambiri ku dzimbiri. Potsatira njira izi, opanga amatha kuwonetsetsa kuti zinthu zawo zopangidwa ndi chitsulocho zikukwaniritsa miyezo yapamwamba kwambiri komanso yogwira ntchito.
Nthawi yotumizira: Epulo-08-2024