Igedlela leZinc
Incazelo Yomkhiqizo
Ithangi elincibilikisa i-zinc lokushisela idiphu elishisayo lezakhiwo zensimbi, ngokuvamile elibizwa ngokuthi ibhodwe le-zinc, lishiselwa kakhulu ngamapuleti ensimbi. Ibhodwe le-zinc lensimbi akulula nje ukwenza, kodwa futhi lifanele ukushisa ngemithombo yokushisa ehlukahlukene, futhi kulula ukuyisebenzisa nokuyigcina, ifaneleka ngokukhethekile ukusekela ukusetshenziswa kwesakhiwo esikhulu sensimbi yokukhiqiza i-hot-dip galvanizing line.
Izinga le-hot-dip galvanized coating kanye nokusebenza kahle kokukhiqiza kuhlobene eduze nobuchwepheshe benqubo obusetshenziswa kanye nempilo yebhodwe le-zinc. Uma ibhodwe le-zinc ligqwalile ngokushesha, kuzoholela ekulimaleni ngaphambi kwesikhathi noma ngisho nokuvuza kwe-zinc ngokubhobozwa. Ukulahlekelwa kwezomnotho okuqondile kanye nokulahlekelwa komnotho okungaqondile okubangelwa ukumiswa kokukhiqiza kukhulu.
Ukungcola okuningi kanye nezakhi ze-alloying kuzokwandisa ukugqwala kwensimbi ekugezeni kwe-zinc. Indlela yokugqwala yensimbi ekugezeni kwe-zinc ihluke ngokuphelele kuleyo yensimbi emkhathini noma emanzini. Ezinye izinsimbi ezinokumelana nokugqwala okuhle kanye nokumelana ne-oxidation, njengensimbi engagqwali nensimbi ekwazi ukumelana nokushisa, zinokumelana nokugqwala okuphansi ku-zinc encibilikisiwe kunensimbi ye-silicon ephansi ene-carbon low enobumsulwa obuphakeme. Ngakho-ke, insimbi ye-silicon ephansi ene-carbon low enobumsulwa obuphakeme ivame ukusetshenziselwa ukwenza amabhodwe e-zinc. Ukwengeza inani elincane lekhabhoni ne-manganese () ensimbi kunomphumela omncane ekuqineni kokugqwala kwensimbi ku-zinc encibilikisiwe, kodwa kungathuthukisa amandla ensimbi.
Ukusetshenziswa kwe-zinc pot
- 1. Ukugcinwa kwebhodwe lezinc
Ingaphezulu lebhodwe le-zinc eligqwalile noma eligqwalile lizoba lukhuni, okuzodala ukugqwala okukhulu kwe-zinc ewuketshezi. Ngakho-ke, uma ibhodwe elisha le-zinc lidinga ukugcinwa isikhathi eside ngaphambi kokusetshenziswa, izinyathelo zokuvikela ukugqwala kufanele zithathwe, kuhlanganise nokuvikela ukupenda, ukuyibeka endaweni yokusebenzela noma isembozo ukuze ugweme imvula, ukugoqa phansi ukuze ugweme ukucwiliswa. emanzini, njll. Ngaphansi kwezimo akufanele umhwamuko wamanzi noma amanzi anqwabelene ebhodweni le-zinc.
2. Ukufakwa kwebhodwe lezinc
Lapho ufaka ibhodwe le-zinc, kufanele lihanjiswe esithandweni se-zinc ngokuvumelana nezidingo zomenzi. Ngaphambi kokusebenzisa i-boiler entsha, qiniseka ukuthi ususa ukugqwala, i-residual welding slag spatter nokunye ukungcola nokugqwala odongeni lukabhayela. Ukugqwala kuzosuswa ngendlela yomshini, kodwa ingaphezulu lebhodwe le-zinc akumele lonakale noma libe mahhadlahhadla. Ibhulashi eliqinile le-fiber synthetic lingasetshenziselwa ukuhlanza.
Ibhodwe le-zinc lizokhula uma lishiswa, ngakho kufanele kube nendawo yokwandisa mahhala. Ngaphezu kwalokho, lapho ibhodwe le-zinc lisezingeni eliphezulu lokushisa isikhathi eside, "ukukhahlela" kuzokwenzeka. Ngakho-ke, isakhiwo esisekelayo esifanele sizokwamukelwa ebhodweni le-zinc ngesikhathi sokuklanywa ukuze livinjwe ukuthi lingakhubazeki kancane kancane ngesikhathi sokusetshenziswa.
