Galvanizing yana nufin fasahar jiyya ta fuskar bangon waya na sanya wani Layer na zinc akan saman karfe, gami ko wasu kayan don kunna tasirin kariya da tsatsa. Babban hanyar da ake amfani da ita shine galvanization mai zafi.
Zinc yana da sauƙi mai narkewa a cikin acid da alkali, don haka ana kiransa ƙarfe na amphotropic. Zinc yana canzawa kadan a cikin busassun iska. hydrogen sulfide da Marine yanayi, zinc lalata juriya ne matalauta, musamman a cikin high zafin jiki da kuma high zafi dauke da Organic acid yanayi, zinc shafi yana da sauki lalata. A misali electrode m na tutiya ne-0.76V, domin karfe matrix, zinc shafi nasa ne da anodic shafi, shi ne yafi amfani da su hana lalata da karfe, da m yi da kuma shafi kauri ne sosai a hankali related.Zinc shafi bayan. jiyya na wucewa, tabo ko mai rufi tare da wakili mai kariya mai haske, zai iya inganta kariya da kayan ado.
Cold galvanizing
Cold galvanizing, wanda kuma ake kira electrogalvanizing, shine amfani da kayan aiki na electrolytic bayan man fetur, pickling, gishirin zinc a cikin bayani, da kuma haɗa nau'in lantarki mara kyau na kayan aikin electrolytic, a kishiyar farantin zinc, wanda aka haɗa da ingantaccen lantarki na electrolytic. ikon kayan aiki, ta yin amfani da halin yanzu daga tabbatacce zuwa korau zai saka wani Layer na zinc akan bututu, bututun plating sanyi yana fara aiki bayan galvanizing.
Mechanical galvanized
A cikin ganga mai jujjuya sanye take da plating, ƙwallon gilashi, foda na zinc, ruwa da mai talla, ƙwallon gilashi a matsayin matsakaicin tasiri yana jujjuyawa tare da drum, gogayya da guduma a saman plating suna samar da makamashi na zahiri.A ƙarƙashin aikin mai haɓaka sinadarai, foda mai rufin zinc mai rufi "walƙiya mai sanyi" zuwa saman rufin, samar da santsi, uniform da cikakken shafi tare da wani kauri.
Hot-galvanized
Babban hanyar karfe farantin surface galvanizing ne zafi-tsoma galvanizing.
Hot galvanizing an ɓullo da shi daga tsofaffin hanyoyin kuma yana da shekaru ɗari da saba'in tun lokacin da aka yi amfani da shi a cikin masana'antu a 1836. Duk da haka, an bunkasa masana'antar zafi mai zafi a kan babban ma'auni tare da saurin ci gaba na karfe mai laushi mai sanyi. a cikin shekaru talatin da suka gabata.
A samar da tsari na zafi galvanized farantin, yafi hada da: asali farantin pre-plating zafi tsoma bayan jiyya ƙãre samfurin dubawa, etc.A cewar al'ada, bisa ga daban-daban plating magani Hanyar, zafi tsoma galvanizing tsari ne zuwa kashi waje line. da annealing ciki line annealing.
Lokacin aikawa: Mayu-13-2022