Kugadzira simbi nesimbi (galvanizing) inzira inokosha muindasitiri yesimbi, inonyanya kushandiswa kudzivirira simbi nesimbi kubva mukuora. Nekushandisa zinc coating inodzivirira, kugadzira simbi nesimbi kunoenderera mberi nehupenyu hwezvigadzirwa zvesimbi, zvichiita kuti zvigare kwenguva refu uye zvikwanise kushandiswa zvakasiyana-siyana. Kune nzira nhatu huru dzekugadzira simbi nesimbi:kunyudza nekupisa, electro-galvanizing, uye zinc spraying. Nzira yega yega ine maitiro ayo akasiyana, zvakanakira, uye mashandisirwo ayo, zvatichaongorora zvakadzama, kusanganisira mabasa emitsetse yekusimbisa, kuomesa makomba, uye kugadzirisazve matangi nenzira idzi.
1. Kupisa-Kunyudza Galvanizing
Kuisa galvanizing mumoto ndiyo nzira inonyanya kushandiswa yekuisa galvanizing. Mukuita uku, zvikamu zvesimbi kana zvesimbi zvinonyudzwa mubhavhu rezinc yakanyungudutswa patembiricha inosvika 450°C (842°F). Maitiro aya anotanga nekugadzirira pamusoro, izvo zvakakosha pakuona kubatana kwakasimba pakati pezinc nesimbi. Kugadzirira uku kunowanzo sanganisira kuchenesa simbi kubvisa ngura, mafuta, kana tsvina, kazhinji uchishandisa musanganiswa wenzira dzemakanika nedzemakemikari.
Kana pamusoro pacho pagadzirwa, simbi inonyikwa mu zinc yakanyungudutswa. Kupisa kunobva mu zinc yakanyungudutswa kunokonzera metallurgical reaction, zvichiita kuti pave ne zinc-iron alloy layers dzinobatana zvakasimba nesimbi. Mushure mekunyikwa, zvikamu zve galvanized zvinobviswa zvorega zvichitonhorera, panguva iyo zinc inooma uye inoumba coating inodzivirira.
Basa reMitsetse yeGalvanizing: Mukugadzirisa galvanizing inopisa, mitsetse yegalvanizing inokosha. Mitsetse iyi igadziriro dzekugadzira dzakagadzirwa dzinoita kuti maitiro ese ekugadzirisa galvanizing ave nyore, kubva pakugadzirira pamusoro kusvika padanho rekupedzisira rekutonhodza. Dzinowanzo sanganisira masisitimu ega ekuchenesa, flux, uye dipping, zvichiita kuti coating ishande zvakanaka uye igare kwenguva refu.
Gomba rekuomesa: Mushure mekuchenesa, zvikamu zvesimbi zvinowanzoiswa mugomba rekuomesa. Danho iri rakakosha sezvo richiona kuti hunyoro hwasara hwabviswa zvikamu zvisati zvanyikwa mu zinc yakanyungudutswa. Gomba rekuomesa rakachengetwa zvakanaka rinobatsira kudzivirira zvikanganiso mukuita kwe galvanizing, zvakaita sematambudziko ekunamatira zinc kana kusabatanidzwa kwe even coating.
2. Kugadzira Magetsi Nemagetsi
Kuisa electro-galvanizing, kana kuti electroplating, ndeimwe nzira yekuisa zinc coating pasimbi. Kusiyana nekupisa-kudivha galvanizing, maitiro aya anoshandisa electrolytic solution ine zinc salts. Zvikamu zvesimbi zvinonyudzwa mumhinduro iyi uye zvakabatana nemagetsi, izvo zvinoita kuti zinc ions dzifambe uye dzigare pamusoro pesimbi.
Maitiro ekushandisa magetsi anobvumira kuti pave nejira rakatetepa uye rakafanana kana tichienzanisa nejira rinopisa. Nzira iyi inonyanya kubatsira pakushandisa panodiwa magumo akatsetseka, senge muzvikamu zvemotokari kana midziyo yemagetsi. Zvisinei, jira iri harigari kwenguva refu kupfuura rinogadzirwa nejira rinopisa, zvichiita kuti rive rakakodzera kushandiswa mukati meimba kana munzvimbo dzisina zvinhu zvinoparadza zvakanyanya.
Kugadzirisazve Tangi reFluxing: Mukugadzirisa simbi nemagetsi, kugadzirisa tangi rinotenderera kunoita basa rakakosha. Zvinhu zvinotenderera zvinoshandiswa kugadzirira pamusoro pesimbi uye kuwedzera kunamira kwe zinc coating. Mushure mekugadzirisa simbi nemagetsi, mhinduro inotenderera inogona kuda kugadziriswazve kuti irambe ichishanda zvakanaka uye kuve nechokwadi chekuti mhedzisiro yacho inogara iripo. Izvi zvinosanganisira kusefa nekuzadza zvinhu zvinotenderera kuti zviwedzere kunaka kwe coating.
3. Kupfapfaidza Zinc
Kupfapfaidza zinc, inozivikanwawo sekupisa kana kupfapfaidza nesimbi, inzira inosanganisira kupfapfaidza zinc yakanyungudutswa pamusoro pesimbi. Maitiro aya anogona kuitwa uchishandisa nzira dzakasiyana-siyana, kusanganisira kupfapfaidza murazvo kana kupfapfaidza arc. Mukupfapfaidza murazvo, musanganiswa weupfu hwezinc neokisijeni unobatidzwa, zvichigadzira murazvo unonyungudutsa zinc woisundira pamusoro pesimbi. Mukupfapfaidza arc, arc yemagetsi inonyungudutsa waya yezinc, iyo inozopfapfaidzwa pamusoro.
Kupfapfaidza zinc kunonyanya kubatsira kune zvivako zvikuru kana zvinhu zvisingakwanise kunyudzwa nyore nyore mu zinc yakanyungudutswa. Kunopa mhinduro inochinjika yekudzivirira nzvimbo dzingaomera kupfapfaidza uchishandisa nzira dzechinyakare. Zvisinei, kupfapfaidza kunoitwa nekupfapfaidza zinc kunowanzova kwakakora uye kunogona kuda mamwe maitiro ekupedzisa kuti pave nepamusoro pakanaka.
Mashandisirwo uye Kufunga Nezvekushandisa: Nzira yega yega yekuisa galvanizing ine mashandisirwo ayo chaiwo uye kufunga nezvekushandisa. Kuisa galvanizing inopisa kwakanakira zvivakwa zvekunze, zvakaita semabhiriji nematanda emagetsi, uko kuramba ngura kwenguva refu kwakakosha. Kuisa galvanizing yemagetsi kunowanzo shandiswa mukugadzira mota nemidziyo, uko runako uye kupera kwakatsetseka kwakakosha. Kupfapfaidza zinc kwakakodzera zvinhu zvikuru kana zvakaoma, zvakaita semahull engarava kana michina yeindasitiri.
Mukupedzisa, nzira nhatu dzekugadzira galvanizing—kupisa-kudivha galvanizing, electro-galvanizing, uye zinc spraying—imwe neimwe ine zvakanakira zvakasiyana uye mashandisirwo ayo. Maitiro anobatanidzwa, anosanganisira kushandisa mitsetse yegalvanizing, kuomesa makomba, uye fluxing tank reprocessing, anoita basa guru mukuona kuti zinc coating inoshanda zvakanaka uye inoshanda. Kunzwisisa nzira idzi kunobvumira vagadziri kusarudza nzira yakakodzera yekugadzira galvanizing inoenderana nezvavanoda, zvichizopedzisira zvichiwedzera kugara kwenguva refu uye kugara kwenguva refu kwezvigadzirwa zvesimbi.
Nguva yekutumira: Kukadzi-26-2025