Xa kufikwa kumbhobho wensimbi otshisiweyo oshushu, inkqubo yokufaka i-galvanizing eshushu-dip iphumela kwibhondi ye-metallurgical phakathi kwe-zinc kunye nentsimbi enoluhlu lwe-alloys ye-iron-zinc eyahlukileyo. Umgca wokutshiza oqhelekileyo wediphu usebenza ngolu hlobo lulandelayo:
◆Intsimbi icocwa kusetyenziswa isisombululo se-caustic. Oku kususa ioli/igrisi, ubumdaka, kunye nepeyinti.
◆Isisombululo sokucoca i-caustic siyahlanjululwa.
◆Intsimbi ivuthwa kwisisombululo esimuncu ukususa isikali sokusila.
◆Umxube wokukha amanzi uyahlanjululwa.
◆I-flux, ehlala i-zinc ammonium chloride igalelwa kwintsimbi ukunqanda i-oxidation yendawo ecociweyo xa ityhileke emoyeni. I-flux ivumelekile ukuba yome kwintsimbi kwaye incedise kwinkqubo ye-zinc ye-liquid yokumanzisa kunye nokunamathela kwintsimbi.
◆Intsimbi ifakwa kwibhafu yezinki etyhidiweyo ize igcinwe apho de iqondo lobushushu lentsimbi lilingane nelebhafu.
Ngokobuchwephesha, igalvanization yinkqubo yokugquma intsimbi kunye nentsimbi enomaleko we-zinc ngokuntywiliselwa isinyithi kwibhafu ye-zinc etyhidiweyo kubushushu obumalunga ne-840 °F (449 °C). Xa ityhilekile emoyeni, i-zinc esulungekileyo (Zn) idibana neoksijini (O2) yenze i-zinc oxide (ZnO), ethi iphinde idibane nekharbon dayoksidi (CO2) yenze i-zinc carbonate (ZnCO3), ingwevu eqheleke buthuntu, yomelele ngokufanelekileyo. izinto ezikhusela intsimbi engaphantsi kwi-corrosion eqhubekayo kwiimeko ezininzi. Ngokubanzi, umbhobho otshisiweyo otshisiweyo oshushu unexabiso eliphezulu lombhobho wentsimbi kunezinye iindidi eziqhelekileyo zombhobho osetyenziswayo ngenxa yeendleko eziphezulu zokwenziwa kwawo kwimarike.
Ukusetyenziswa okusebenzayo, njengezinye iinkqubo zokukhusela i-corrosion, i-galvanizing ikhusela kakhulu iimveliso zentsimbi ngokusebenza njengomqobo phakathi kwentsimbi kunye nomoya. Nangona kunjalo, i-zinc yintsimbi ye-electronegative ngakumbi xa kuthelekiswa nentsimbi. Olu luphawu olulodwa lwe-galvanizing. Ngokukodwa, xa i-galvanized coating yonakalisiwe kwaye imveliso yensimbi ibonakaliswe emoyeni, i-zinc inokuqhubeka nokukhusela insimbi nge-galvanic corrosion. Ngaphandle koko, ngenxa yokuqina kwayo kunye neempawu ezichasayo, uninzi lwemibhobho yentsimbi egotyiweyo inokuphinda isetyenziswe kwaye iphinde isetyenziswe, nto leyo eya kuthi igcine imali eninzi ngexesha lomsebenzi wokulungisa isithuba.
Ngoluhlu lokukhusela, imibhobho ingasetyenziselwa kwiindawo zangaphandle, kwaye inokumelana nokulimala kwezinye iimpembelelo zokusingqongileyo. Uvavanyo kunye nophononongo lubonise ukuba umndilili wobomi bentsimbi esetyenziswe njengesixhobo solwakhiwo ungaphaya kweminyaka engama-50 kwindawo yasemaphandleni kunye neminyaka engama-20 ukuya kwengama-25 nangaphezulu kwindawo egqithisileyo yasedolophini okanye eselunxwemeni. Kulo mba, iikontraka zinokuyisebenzisa ngokuzithemba le mveliso kwiprojekthi. Njengomenzi wemibhobho yentsimbi yobuchwephesha eTshayina, sizibophelele ekuveliseni iintlobo ezahlukeneyo zentsimbi yombhobho kwiiprojekthi zakho. Ukuze ufumane inkcazelo engakumbi, ungaqhagamshelana nathi nanini na.
Thumela umyalezo wakho kuthi:
Ixesha lokuthumela: Sep-14-2018
