I-hot dip galvanizingkuyindlela esetshenziswa kabanzi yokuvikela insimbi ekugqwaleni. Le nqubo ihilela izinyathelo eziningana ezibalulekile, okuhlanganisa nokwelashwa kwangaphambi kwesikhathi, okubalulekile ekuqinisekiseni ikhwalithi nokuqina kwesembozo se-galvanised. Isici esibalulekile sokwelashwa kwangaphambi kwesikhathi ukusetshenziswa kwamathangi okususa amafutha kanye nokushisa ukuze kulungiselelwe inqubo ye-galvanised.
Isinyathelo sokuqala enkambisweni yokugaya ngokushisa yilesiukwelashwa kwangaphambi kwesikhathi, okuhlanganisa ukuhlanza insimbi ukuze kususwe noma yikuphi ukungcola okungase kuphazamise inqubo yokugaya i-galvanizing. Lokhu kuvame ukwenziwa ethangini lokususa amafutha, lapho insimbi icwiliswa khona esixazululweni esishisayo se-alkaline ukuze kususwe amafutha, uwoyela noma ezinye izinsalela zezinto eziphilayo ebusweni. Ithangi lokususa amafutha liyingxenye ebalulekile yeinqubo yangaphambi kokwelashwanjengoba kuqinisekisa ukuthi insimbi ihlanzwa kahle ngaphambi kokuba iqiniswe nge-galvanized.
Uma insimbi isihlanziwe ethangini lokususa amafutha, ingasuswakufudunyezwe kusengaphambiliLesi sinyathelo sihilela ukushisa insimbi ukuze kususwe noma yimuphi umswakama osele futhi kulungiselelwe indawo yenqubo yokufaka i-galvanizing. Ukushisa insimbi kubalulekile njengoba kusiza ukuqinisekisa ukuthi ungqimba lwe-galvaning lunamathela kahle endaweni, okuholela ekugcineni okuhlala isikhathi eside nokuhlala isikhathi eside.
Uma izinyathelo zangaphambi kokwelashwa seziqediwe, insimbi isuke isilungele ukusetshenziswaukucwilisa okushisayoinqubo. Lokhu kuhilela ukucwilisa insimbi ebhavini le-zinc encibilikisiwe, ebopha ngensimbi ensimbini ukuze yakhe ungqimba oluvikelayo olumelana nokugqwala kakhulu. Inqubo yokufaka i-galvanizing yenzeka emazingeni okushisa aphezulu, ngokuvamile cishe ngo-450°C (850°F), ukuqinisekisa ukuthi ungqimba lwe-zinc lubopha kahle ensimbini.
Ngemva kokuba insimbi iqiniswe nge-galvanized, iyapholiswa futhi ihlolwe ukuqinisekisa ukuthi ungqimba lulingana futhi alunazo iziphambeko. I-zinc eningi iyasuswa, bese insimbi ilungele ukusetshenziswa okubanzi, kusukela ekwakheni kanye nengqalasizinda kuya ezimotweni kanye nemishini yezimboni.
Ngamafuphi, inqubo yokugaya ngogesi oshisayo ihilela izinyathelo eziningana ezibalulekile, okuhlanganisaukucwilisa okushisayo ngaphambi kokwelashwa, ukusetshenziswa kwamathangi okususa amafutha, kanye nokushisa kwangaphambi kokwelashwa. Lezi zinyathelo zibalulekile ukuqinisekisa ukuthi insimbi ilungiselelwe kahle inqubo yokufaka i-galvanizing, okuholela ekugqokeni kwekhwalithi ephezulu nehlala isikhathi eside okunikeza isivikelo esihle kakhulu ekugqwaleni. Ngokulandela lezi zinyathelo, abakhiqizi bangaqinisekisa ukuthi imikhiqizo yabo yensimbi ehlanganisiwe ihlangabezana nezinga eliphezulu kakhulu kanye nezindinganiso zokusebenza.
Isikhathi sokuthunyelwe: Ephreli-08-2024