Iindaba

1. Umda osebenzayo
Usetyenziso oluphambili lweishushu-dip yenziwe yagalvanizedAmaphepha akwimimandla efana nezithuthi, izixhobo zasekhaya, ulwakhiwo lobunjineli, izixhobo zoomatshini, izixhobo zombane, kunye neshishini lokukhanya.
2. Isizathu esiphambili sokuwa kwe-zinc layer
Izinto eziphambili ezibangela ukuba umaleko we-zinc ziwe ziquka ukuveliswa kwemathiriyeli ekrwada kunye nokuveliswa, kunye nemveliso engahambelaniyo kunye nokulungiswa. Ngenxa ye-oxidation yomhlaba, iikhompawundi ze-silicon, umoya ophezulu we-oxidation kunye nendawo yokukhusela igesi yegesi kwicandelo le-NOF lezinto eziluhlaza, umlinganiselo ongekho ngqiqweni wamafutha omoya, izinga lokuhamba kwe-hydrogen eliphantsi, ukungena kwe-oksijini kwisithando somlilo, ukushisa okuphantsi kwentsimbi yentsimbi engena embizeni. , ukushisa okuphantsi kwesithando somlilo secandelo le-NOF, ukuchithwa kweoli okungaphelelanga, umxholo ophantsi we-aluminium kwi-zinc pot, isivinini seyunithi ekhawulezayo, akwanelanga ukunciphisa, ixesha elifutshane lokuhlala kulwelo lwezinc, kunye nokwaleka okukhulu. Ukusetyenzwa kokungalinganiyo kubandakanya iradiyasi egobayo engahambelaniyo, ukunxiba komngundo, ukukhuhla, ukukhutshwa komngundo kukhulu kakhulu okanye kuncinci kakhulu, ukungabikho kweoyile yokuthambisa, kunye nexesha elide lokusebenza lokungunda elingalungiswanga okanye ligcinwe.
3. Izinto eziphambili ezibangela umhlwa omhlophe zi
(1) Ukungashukumi kakuhle, ukungonelanga okanye ukungalingani kwefilim ye-passivation;
(2) Umphezulu awugalelwa ioli;
(3) Ukufuma okushiyekileyo kumphezulu wentsimbi eqengqelekayo eqengqelekayo;
(4) I-passivation ayingomiswanga kakuhle;
(5) Ngexesha lothutho okanye ugcino, ukufuma okubuyayo okanye imvula iyadambisa:
(6) Ixesha lokugcinwa kweemveliso ezigqityiweyo lide kakhulu;
(7)Idiphu eshushu ishidi legalvanizedidibene okanye igcinwe kunye nezinye izinto ezidliwayo njengeeasidi ezomeleleyo kunye neealkali.
Umhlwa omhlophe unokuvela ube ngamachokoza amnyama, kodwa amabala amnyama asenokungabangelwa ngumhlwa omhlophe kuphela, njengamabala amnyama okukhuhlana.
4. Ubuninzi bexesha elivumelekileyo lokugcina
Ukuba ukufakwa kwe-oyile, ukupakishwa, ukugcinwa kwezinto, kunye nezixhobo zenziwa ngexesha elifanelekileyo, ezinye iimveliso zinokugcinwa ngaphezu konyaka omnye, kodwa kungcono ukuzisebenzisa kwiinyanga ezintathu. Ukuba akukho mafutha, ixesha lifutshane ukukhusela i-oxidation yomoya ebangelwa kukugcinwa ixesha elide. Ixesha langempela lokugcina kufuneka lisekelwe kwimveliso ehambelana nemveliso yangempela.
5. Imigaqo eSisiseko yoLondolozo lweZinc
Kwiindawo ezinobungozi zendalo, i-zinc ibeka phambili ukusabalalisa i-corrosion phezu kwentsimbi, ngaloo ndlela igcina isiseko sentsimbi. Ngokubhekiselele kwi-corrosion resistance, i-zinc layer iya kwenza ifilimu ethile ekhuselayo ukusuka kwindawo eyomileyo ukuphepha i-oxidation yomoya ngokukhawuleza, ukucotha isantya sokubola, kwaye inokuxutywa ngepeyinti ye-zinc powder ngexesha lokugcinwa ukuze ugweme ukubola kwensimbi kunye nokuqinisekisa iimpawu ezibonakalayo kunye iimpawu zokhuseleko lwedatha.
6. IMithetho-siseko eSisiseko yePasivation
Isisombululo seChromium trioxide passivation seshiti lediphu eshushu linokuvelisa ifilim emile okwentsimbi. I-chromium ene-trivalent kusapho lwe-saturated passivation usapho kunzima ukunyibilika kumanzi owomileyo, iipropathi zayo ezibonakalayo aziqaqambi, kwaye zinefuthe lokuyileka. I-chromium ene-hexavalent kwintsapho ye-passivation inyibilika kwi-electrolyte eyomeleleyo, enokuthi ibe nefuthe lentsimbi xa ifilimu ye-passivation ikrwelwa, kwaye inefuthe lokuphilisa ifilimu emise intsimbi. Ke ngoko, ukuya kuthi ga kwinqanaba elithile, ifilimu ye-passivation inokuthintela umphunga okanye igesi ebandayo emanzi ukusuka ngokukhawuleza ukugqwesa ishidi elishushu-diphu, lidlala indima yokulondoloza.
7. Indlela yokusebenza yokumelana ne-corrosion
Kukho iindlela ezintathu zokuvavanya ukuxhathisa umhlwaashushu-diphu amashiti:
(1) Uvavanyo lwesitshizi setyuwa; (2) Ulingo olubandayo olumanzi; (3) Iimvavanyo zokubola.