Izikulufo zokomisa izinzipho ezizishaya ngodonga
Izikulufu zodonga ezomile ezine-Phosphated ziwumugqa womkhiqizo oyisisekelo kakhulu, kuyilapho izikulufi zodonga ezomile ezizinki eziluhlaza okwesibhakabhaka nezimhlophe ziyisithasiselo, futhi ububanzi bazo bokusebenzisa kanye nentengo yokuthenga kuyafana. Okuhluke kancane ukuthi i-phosphating emnyama inezinga elithile lokuthambisa, futhi isivinini sokuhlasela (isivinini sokufaka ugqinsi olucacisiwe lwe-steel plate, okuyinkomba yokuhlola ikhwalithi) ingcono kancane; I-zinc eluhlaza okwesibhakabhaka nomhlophe inomphumela ongcono wokuvimbela ukugqwala, futhi umbala wemvelo womkhiqizo ulula, okwenza kube mancane amathuba okuba ufiphele ngemva kokuhlobisa okunamathelayo.
Cishe awukho umehluko emandleni okuvimbela ukugqwala phakathi kwe-zinc eluhlaza okwesibhakabhaka ne-zinc ephuzi, kuphela ngenxa yomehluko emikhubeni yokusetshenziswa noma izintandokazi zomsebenzisi.
Intambo yesikulufu sodonga olumahhadla wezinyo olulodwa lubanzi, futhi isivinini sokuhlasela esihambisanayo siyashesha. Ngesikhathi esifanayo, ngoba akulimazi isakhiwo sezinto zokhuni ngokwayo ngemva kokungena okhunini, kufaneleka kakhulu ukufakwa kwe-keel yokhuni kunezintambo eziphindwe kabili zezinyosi zodonga ezomile.
Isetshenziselwa ukuxhumana phakathi kwebhodi le-gypsum ne-keel yensimbi enogqinsi olungeqile ku-2.3mm, etholakala ngezinketho ze-black phosphating kanye ne-yellow zinc coating. Ububanzi bokufaka isicelo kanye nentengo yokuthenga kokubili kuyefana. Futhi i-zinc ephuzi inomphumela ongcono wokuvimbela ukugqwala, futhi umbala wemvelo womkhiqizo ulula, okungelula ukufiphala ngemuva komhlobiso wokugcoba.