I-hot dip galvanizingyindlela esetyenziswa kakhulu yokukhusela intsimbi ekungcoleni. Le nkqubo ibandakanya amanyathelo aliqela abalulekileyo, kuquka ukucoca kwangaphambili, okubalulekileyo ekuqinisekiseni umgangatho kunye nokuqina kwengubo ye-galvanised. Inkalo ebalulekileyo yokucoca kwangaphambili kukusebenzisa iitanki zokususa amafutha kunye nokufudumeza ukuyilungiselela inkqubo yokugaya i-galvanised.
Inyathelo lokuqala kwinkqubo yokuntywila nge-hot-dip galvanizing yileunyango lwangaphambi konyango, okubandakanya ukucoca intsimbi ukuze kususwe naziphi na izinto ezingcolisayo ezinokuphazamisana nenkqubo yokugaya i-galvanizing. Oku kudla ngokwenziwa kwitanki yokususa amafutha, apho intsimbi intywiliselwa kwisisombululo esishushu se-alkaline ukususa amafutha, ioyile okanye ezinye iintsalela zezinto eziphilayo kumphezulu. Itanki yokususa amafutha yinxalenye ebalulekileyo yeinkqubo yangaphambi konyangonjengoko iqinisekisa ukuba intsimbi icociwe kakuhle ngaphambi kokuba igqunywe nge-galvanized.
Nje ukuba intsimbi icocwe kwitanki yokususa amafutha, ingasetyenziswaishushu kwangaphambiliEli nyathelo libandakanya ukufudumeza intsimbi ukuze kususwe naluphi na umswakama oseleyo kwaye kulungiselelwe umphezulu wenkqubo yokugaya intsimbi. Ukufudumeza intsimbi kubalulekile njengoko kunceda ukuqinisekisa ukuba uqweqwe lwentsimbi lunamathela kakuhle kumphezulu, nto leyo ekhokelela ekugqityweni okuhlala ixesha elide.
Nje ukuba amanyathelo angaphambi konyango agqityiwe, intsimbi ilungele ukusetyenziswaukuntywila okushushuinkqubo. Oku kuquka ukuntywilisela intsimbi kwibhafu ye-zinc enyibilikisiweyo, ethi inamathele kwintsimbi ukuze yenze uphahla olukhuselayo olumelana nokugqwala kakhulu. Inkqubo yokwenza i-galvanizing yenzeka kumaqondo obushushu aphezulu, ngesiqhelo malunga ne-450°C (850°F), ukuqinisekisa ukuba uphahla lwe-zinc lunamathela ngokufanelekileyo kwintsimbi.
Emva kokuba intsimbi igqunywe nge-galvanized, iyapholiswa ize ihlolwe ukuqinisekisa ukuba uqweqwe lulingana kwaye alunazo naziphi na iziphene. I-zinc egqithisileyo iyasuswa, kwaye intsimbi ilungele ukusetyenziswa ngeendlela ezahlukeneyo, ukusuka kulwakhiwo kunye neziseko ukuya kwiimoto kunye nezixhobo zoshishino.
Ngamafutshane, inkqubo yokugaya nge-hot-dip ibandakanya amanyathelo aliqela abalulekileyo, kuqukaukuntywila okushushu kwangaphambili, ukusetyenziswa kweetanki zokususa amafutha, kunye nokufudumeza ngaphambi konyango. La manyathelo abalulekile ukuqinisekisa ukuba intsimbi ilungiselelwe ngokufanelekileyo inkqubo yokufaka i-galvanizing, nto leyo ekhokelela kwingubo esemgangathweni ophezulu nehlala ixesha elide enika ukhuseleko oluhle kakhulu ekungcoleni. Ngokulandela la manyathelo, abavelisi banokuqinisekisa ukuba iimveliso zabo zentsimbi ezifakwe i-galvanizing zihlangabezana nemigangatho ephezulu yokusebenza kunye nomgangatho ophezulu.
Ixesha lokuthumela: Epreli-08-2024