Ukufaka i-galvanizing kuyinqubo ebalulekile embonini yensimbi, esetshenziswa kakhulu ukuvikela insimbi nensimbi ekugqwaleni. Ngokusebenzisa isembozo se-zinc esivikelayo, ukufaka i-galvanizing kwandisa isikhathi sokuphila kwemikhiqizo yensimbi, okwenza ihlale isikhathi eside futhi ifanele ukusetshenziswa okuhlukahlukene. Kunezindlela ezintathu eziyinhloko zokufaka i-galvanizing:ukucwilisa okushisayo, i-electro-galvanizing, kanye ne-zinc spray. Indlela ngayinye inezinqubo zayo ezihlukile, izinzuzo, kanye nezinhlelo zokusebenza, esizozihlola ngokuningiliziwe, okuhlanganisa nezindima zeimigqa yokugaya, imigodi yokomisa, kanye nokucubungula kabusha ithangi ngalezi zindlela.
1. Ukushisa Okushisayo
I-hot-dip galvanizing iyindlela esetshenziswa kakhulu ye-galvanizing. Kule nqubo, izingxenye zensimbi noma zensimbi zicwiliswa ebhavini le-zinc encibilikisiwe emazingeni okushisa acishe abe ngu-450°C (842°F). Inqubo iqala ngokulungiselela ubuso, okubalulekile ekuqinisekiseni ukubopha okuqinile phakathi kwe-zinc nensimbi. Lokhu kulungiselela kuvame ukuhilela ukuhlanza insimbi ukuze kususwe noma yikuphi ukugqwala, uwoyela, noma ukungcola, ngokuvamile kusetshenziswa inhlanganisela yezindlela zemishini nezamakhemikhali.
Uma ubuso sebulungisiwe, insimbi ifakwa ku-zinc encibilikisiwe. Ukushisa okuvela ku-zinc encibilikisiwe kubangela ukusabela kwe-metallurgical, kwakha uchungechunge lwezendlalelo ze-zinc-iron alloy ezinamathelana ngokuqinile ne-substrate yensimbi. Ngemva kwenqubo yokucwilisa, izingxenye ze-galvanized ziyasuswa futhi zivunyelwe ukuba ziphole, lapho i-zinc iqina khona futhi yakhe isembozo esivikelayo.
Indima Yemigqa Yokugaya: Ku-hot-dip galvanizing, imigqa yokugaya ibalulekile. Le migqa iyizinhlelo zokukhiqiza ezikhethekile ezenza kube lula yonke inqubo yokugaya i-galvaning, kusukela ekulungiseleleni ubuso kuya esigabeni sokugcina sokupholisa. Ngokuvamile zifaka izinhlelo ezizenzakalelayo zokuhlanza, ukugoqa, kanye nokugaya, ukuqinisekisa ukusebenza kahle kanye nokuvumelana kwenqubo yokugaya.
Umgodi Wokomisa: Ngemva kwenqubo yokuhlanza, izingxenye zensimbi zivame ukufakwa emgodini wokomisa. Lesi sinyathelo sibalulekile njengoba siqinisekisa ukuthi noma yimuphi umswakama osele uyasuswa ngaphambi kokuba izingxenye zicwiliswe ku-zinc encibilikisiwe. Umgodi wokomisa onakekelwe kahle usiza ukuvimbela amaphutha enkambisweni yokugaya, njengezinkinga zokunamathela kwe-zinc noma ukugqoka okungalingani.
2. Ukugaya ngogesi
Ukufaka i-electro-galvanizing, noma i-electroplating, kungenye indlela yokufaka i-zinc coating ensimbini. Ngokungafani ne-hot-dip galvanizing, le nqubo isebenzisa isixazululo se-electrolytic esiqukethe usawoti we-zinc. Izingxenye zensimbi zicwiliswa kulesi sixazululo futhi zixhunywe emthonjeni wamandla, okubangela ukuthi ama-ion e-zinc athuthele futhi afakwe ebusweni bensimbi.
Inqubo yokufaka i-electro-galvanizing ivumela ukugqoka okuncane nokufana kakhulu uma kuqhathaniswa nokufaka i-hot-dip galvanizing. Le ndlela inenzuzo ikakhulukazi ekusetshenzisweni lapho kudingeka khona ukuqeda okubushelelezi, njengasezingxenyeni zezimoto noma kumishini. Kodwa-ke, ukugqoka ngokuvamile akuhlali isikhathi eside kunaleyo ekhiqizwa yi-hot-dip galvanizing, okwenza kufaneleke kakhulu ekusetshenzisweni kwangaphakathi noma ezindaweni ezingabonakali kakhulu ezintweni ezibolayo.
Ukucubungula Kabusha Kwethangi Lokufudumeza: Ekugayweni kwe-electro-galvanizing, ukucubungula kabusha ithangi lokugobhoza kudlala indima ebalulekile. Ama-fluxing agents asetshenziswa ukulungiselela ubuso bensimbi nokuthuthukisa ukunamathela kwe-zinc coating. Ngemva kwenqubo ye-electro-galvanizing, isixazululo sokugobhoza kungadingeka siphinde sicutshungulwe ukuze silondoloze ukusebenza kwaso nokuqinisekisa imiphumela ehambisanayo. Lokhu kuhilela ukuhlunga nokugcwalisa kabusha ama-fluxing agents ukuze kuthuthukiswe inqubo yokugobhoza.
3. Ukufutha nge-Zinc
Ukufutha nge-zinc, okwaziwa nangokuthi ukufutha ngokushisa noma ukubumba ngensimbi, kuyindlela ehilela ukufutha nge-zinc encibilikisiwe ebusweni bensimbi. Le nqubo ingenziwa kusetshenziswa amasu ahlukahlukene, okuhlanganisa ukufutha ngomlilo noma ukufutha nge-arc. Ekufutheni ngomlilo, ingxube ye-zinc powder kanye ne-oxygen iyashiswa, okudala ilangabi elincibilikisa i-zinc bese liyiqhubela endaweni engaphansi. Ekufutheni nge-arc, i-arc kagesi incibilikisa ucingo lwe-zinc, olube selufuthwa phezu komhlaba.
Ukufutha nge-zinc kuwusizo ikakhulukazi ezakhiweni ezinkulu noma izingxenye ezingenakucwiliswa kalula ku-zinc encibilikisiwe. Kuhlinzeka ngesisombululo esiguquguqukayo sokuvikela izindawo ezingase zibe nzima ukuzifutha kusetshenziswa izindlela zendabuko. Kodwa-ke, ungqimba olukhiqizwa ngokufutha nge-zinc luvame ukuba lukhulu futhi lungadinga izinqubo ezengeziwe zokuqeda ukuze kufezwe indawo ebushelelezi.
Izicelo kanye Nokucatshangelwa: Indlela ngayinye yokufaka i-galvanizing inezinhlelo zayo ezithile kanye nokucatshangelwa. I-hot-dip galvanizing ilungele izakhiwo zangaphandle, njengezibhuloho kanye nezigxobo zokusetshenziswa, lapho ukumelana nokugqwala kwesikhathi eside kubalulekile khona. I-electro-galvanizing ivame ukusetshenziswa ekukhiqizweni kwezimoto kanye nemishini, lapho ubuhle kanye nokuqedwa okubushelelezi kubalulekile khona. Ukufutha nge-zinc kufanelekile ezingxenyeni ezinkulu noma eziyinkimbinkimbi, njengemikhumbi noma imishini yezimboni.
Ekuphetheni, izindlela ezintathu zokufaka i-galvanizing—i-hot-dip galvanizing, i-electro-galvanizing, kanye ne-zinc spray—nganye inikeza izinzuzo kanye nezinhlelo zokusebenza ezihlukile. Izinqubo ezihilelekile, okuhlanganisa ukusetshenziswa kwemigqa ye-galvanizing, imigodi yokomisa, kanye nokucubungula kabusha ithangi, zidlala indima ebalulekile ekuqinisekiseni ikhwalithi kanye nokusebenza kahle kwe-zinc coating. Ukuqonda lezi zindlela kuvumela abakhiqizi ukuthi bakhethe indlela efanele kakhulu yokufaka i-galvanizing ngokwezidingo zabo ezithile, ekugcineni kuthuthukiswe ukuqina kanye nobude bemikhiqizo yensimbi.
Isikhathi sokuthunyelwe: Feb-26-2025