I-Zinc Sulfate – Umthombo Oyinhloko We-Zinc Wokwelashwa Komphezulu

I-Zinc sulfate iyinto eluhlaza ebalulekile yezinqubo zokwelashwa komhlaba, esetshenziswa kabanzi ezinqubweni ezintathu eziyinhloko: i-galvanizing, i-zinc phosphating kanye ne-passivation. Ingenye yezinto eziyisisekelo eziqinisekisa ikhwalithi yokumboza, ukumelana nokugqwala kanye nokuqina kokukhiqiza.

Ekugayweni kwe-electrogalvanizing, i-zinc sulfate ehlanzekile kakhulu ihlinzeka kancane kancane ngama-ion e-zinc ngokwakheka okuhambisanayo kanye nobumsulwa obulawulekayo, ibeka isisekelo sokwakheka kwe-crystallization. Isiza ekwakheni ukwakheka kwe-zinc okufanayo, okuqinile nokubushelelezi, ihlinzeka ngama-ion e-zinc azinzile ukuqinisekisa ukubukeka okuhle kanye nokusebenza kwesikhathi eside kokulwa nokugqwala kwezingxenye zokusebenza. Ikhwalithi yokugqoka ithintwa yizici eziningi okuhlanganisa ukuhlushwa kukasawoti oyinhloko, izithasiselo, ubuningi bamanje, inani le-pH, izinga lokushisa kanye nokushukuma, phakathi kwazo i-zinc sulfate iyinto eluhlaza ebalulekile.

Ngokuphathelene ne-zinc phosphating, into ebalulekile eyakha ifilimu yesisombululo se-phosphating yi-zinc dihydrogen phosphate (noma usawoti we-zinc phosphate). Njengengxenye ebalulekile, i-zinc sulfate igcwalisa futhi igcine ukugcwala kwe-Zn²⁺ ebhavini. Kanye ne-phosphoric acid kanye nezithasiselo ezisebenzayo, ibangela ukusabela kwe-interfacial ukuze kwakheke ifilimu yokuguqulwa eqhubekayo neyincane kuma-substrate ensimbi. Le filimu ithuthukisa kakhulu ukunamathelana phakathi kwama-substrate ensimbi nama-topcoat alandelayo, futhi inikeza ukuvikelwa kokugqwala kwesikhashana.

Ngaphakathi kwezinhlelo zokudlulisa ukukhanya, i-zinc sulfate isebenza njengengxenye esekelayo yokulawula ukusabela kobuso nokuthuthukisa ukufana nokubukeka kokuhlobisa kwamafilimu okudlulisa ukukhanya. Isiza ekuvaleni nasekuvikeleni izendlalelo ezihlanganisiwe, ithuthukise ukumelana nokufuthwa kukasawoti kanye nokugqwala komswakama, futhi yandise impilo yenkonzo. Kufanele kuqashelwe ukuthi i-zinc sulfate akuyona into eyinhloko eyakha ifilimu; ikakhulukazi ikhonza ukulawulwa okusizayo kanye nokwengezwa kokusebenza.

Ukugaywa kwe-galvanizing, i-phosphating kanye ne-passivation kuyizinqubo eziyinhloko zokwelapha ubuso ezivame ukuba nezinkinga ezahlukahlukene zenqubo, eziningi zazo ezivela ekhwalithini ephansi yezinto zomthombo we-zinc. Amaphuzu amathathu ayinhloko obuhlungu embonini afingqiwe ngezansi:

1. Isixazululo sokugeza esingazinzile: Ukungcola kuphazamisa ibhalansi yamakhemikhali ebhavini, okudinga ukugcwaliswa kabusha kwamakhemikhali njalo, ukuvalwa kanye nokulungiswa. Lokhu kwandisa izindleko zezinto zokwakha kanye nezabasebenzi, futhi kuletha izingozi zamaqoqo anephutha kanye nokulethwa okulibazisekile. Ngaphandle kobumsulwa, ukuqongelela kwe-sulfate kumele kulawulwe ngokugeza nokuhlunga. I-sulfate eningi inciphisa ukusabela kwe-phosphate, okuholela kumakristalu amabi, anezimbobo kanye nokufakwa komlotha osindayo.
2. Amafilimu/izingubo zokugcoba ezingezona eziqinile: Ukungcola ku-zinc sulfate yezinga eliphansi kuphazamisa ukwakheka kwefilimu. Ekugayweni kwe-galvanizing, izinsimbi ezisindayo njengethusi kanye nomthofu zinamandla okubeka izinto phezulu kune-zinc futhi zivame ukukhukhuleka kakhulu kuma-cathode, okuphazamisa ukuma kwe-zinc electrode evamile futhi kubangele ukugqoka okuqinile noma okumnyama. Ama-pinhole kanye ne-pitting kuhlotshaniswa kakhulu nokungcola kwezinto eziphilayo, ukucindezeleka kobuso noma izinkinga zokumanzisa. I-phosphate ivame ukuba nobukhulu obungalingani befilimu, ama-mottling kanye nomlotha, okuholela ekuqhekekeni nasekusebenzeni kabusha kwe-coating.
3. Ukumelana nokugqwala okwanele: Amafilimu axegayo awakwazi ukuvimba umswakama, umoya kanye nemidiya egqwalisayo ngempumelelo. Izinto zokusebenza zigqwala kalula, zinciphise isikhathi senkonzo futhi zikhuphule izindleko zokulungisa, futhi zingase zibeke engozini ukuphepha komkhiqizo wokugcina ezimweni ezimbi kakhulu.

I-zinc sulfate esezingeni eliphezulu igwema ukuphazamiseka kokungcola emthonjeni, igcina amabhati okufaka i-electroplating kanye ne-phosphating ezinzile isikhathi eside, inciphisa imvamisa yokulungiswa komugqa futhi yehlisa amazinga okusebenza kabusha kanye nokususwa. Ukuhlinzekwa kwe-zinc ion okuzinzile, okulawulwayo kuqinisekisa ukumbozwa okuqinile nokulinganayo kanye namafilimu okuguqulwa, ukubukeka okulinganiselayo, ukunamathela kokubopha kanye nokumelana nokugqwala kwesikhathi eside. Inikeza ukuhlinzekwa komthombo we-zinc othembekile futhi oqhubekayo wemigqa yokukhiqiza ukwelashwa kobuso bensimbi.