1. Superior Ngura Kuramba
Chinangwa chikuru chekugadzira simbi ndeyekumisa ngura mumigwagwa yayo—uye ndipo panopinda zinc oxide layer pasimbi yakarungwa. Heino mashandiro ayo: zinc coating inotanga yaora, ichirova simbi iri pasi payo kwenguva yakareba. Pasina iyi zinc shield, simbi yaizonyanya kubatwa nengura, uye kubatwa nemvura, hunyoro, kana zvimwe zvinhu zvechisikigo zvaizokurumidzisa kuora.
2. Hurefu Hwehupenyu Hwakawedzerwa
Kugara kwenguva refu uku kunobva zvakananga pakuputira kwekudzivirira. Tsvagiridzo inoratidza kuti, mumamiriro ezvinhu akajairika, simbi yemagetsi inoshandiswa mumaindasitiri inogona kugara kwenguva yakareba semakore makumi mashanu. Kunyangwe munzvimbo dzine ngura yakawanda—funga nezvenzvimbo dzine mvura yakawanda kana hunyoro—inogona kuramba iripo kwemakore makumi maviri kana kupfuura.
3. Runako Rwakavandudzwa
Vanhu vazhinji vanobvumirana kuti simbi yakarukwa ine chitarisiko chinoyevedza kupfuura mamwe masimbi akawanda. Pamusoro payo panowanzova pakajeka uye pakachena, zvichiita kuti iratidzike zvakanaka.
Kunoshandiswa Simbi Yakagadzikwa
Maitiro akasiyana anogona kushandiswa pakugadzira galvanizing:
2. Kugadzira magasi emagetsi
3. Kupararira kwezingi
4. Kupfapfaidza nesimbi
Yakanyudzwa nekupisa
Munguva yekugadzika simbi, simbi inonyudzwa mubhavhu rezinc rakanyungudutswa. Kugadzika simbi mumoto (HDG) kunosanganisira matanho matatu ekutanga: kugadzirira pamusoro, kugadzika simbi mumoto, uye kuongorora.
Kugadzirira Pamusoro
Mukugadzirira pamusoro, simbi yakagadzirwa kare inotumirwa kunoiswa galvanizing uye inoiswa muzvikamu zvitatu zvekuchenesa: kubvisa mafuta, kushambidzwa neacid, uye kuyerera. Pasina nzira iyi yekuchenesa, galvanizing haigone kuenderera mberi nekuti zinc haizopindirani nesimbi isina kuchena.
Kugadzira simbi
Kana simbi yapera kugadzirwa, simbi inonyudzwa mu98% zinc yakanyungudutswa pa830°F. Kona iyo simbi inonyudzwa muhari inofanira kubvumira mweya kubuda kubva muchimiro chetubhu kana mamwe mapokisi. Izvi zvinobvumirawo zinc kuyerera ichipinda nepakati uye ichipinda mumuviri wese wesimbi. Nenzira iyi, zinc inosangana nesimbi yese. Simbi iri mukati mesimbi inotanga kuita ne zinc, ichigadzira zinc-iron intermetallic coating. Kurutivi rwekunze, zinc coating yakachena inoiswa.
Kuongorora
Danho rekupedzisira nderekutarisa kuputira. Kuongorora kunoonekwa kuti hapana nzvimbo dzisina kuputira pamuviri wesimbi, sezvo kuputira kwacho kusinganamatire pasimbi isina kuchena. Chiyero cheukobvu hwemagineti chinogona kushandiswawo kuona ukobvu hwekuputira.
2 Kugadzira magasi emagetsi
Simbi ine magasi inogadzirwa kuburikidza nemaitiro emagetsi. Mukuita uku, simbi inonyudzwa mubhavhu rezinc, uye magetsi anopfuudzwa nepakati payo. Maitiro aya anozivikanwawo se electroplating.
Simbi isati yatanga kushandiswa nemagetsi, inofanira kucheneswa. Pano, zinc inoshanda seanode yekudzivirira simbi. Pakugadziriswa kwemagetsi, zinc sulfate kana zinc cyanide inoshandiswa se electrolyte, nepo cathode ichidzivirira simbi kubva mukuora. Iyi electrolyte inoita kuti zinc irambe iri pamusoro pesimbi sejira. Simbi inonyura kwenguva yakareba mubhavhu rezinc, ndipo painokorawo jira racho.
Kuti simbi irambe ichidzivirira ngura, mamwe machira ekuchinja anobatsira zvikuru. Maitiro aya anogadzira mamwe machira e zinc ne chromium hydroxides, zvichiita kuti simbi iite sebhuruu pamusoro payo.
3 Kupinda kweZinc
Kuisa zinc plating kunosanganisira kugadzira zinc coating pamusoro pesimbi kana simbi kudzivirira ngura yesimbi.
Mukuita uku, simbi inoiswa mumudziyo une zinc, iyo inozovharwa yodziiswa kusvika patembiricha iri pasi penzvimbo yekunyunguduka kwe zinc. Mugumisiro wekuita uku kuumbwa kwe zinc-iron alloy, ine chikamu chakasimba chekunze che zinc yakachena chinonamatira pamusoro pesimbi uye ichipa kudzivirira kukuru kwengura. Kuputira uku kunoitawo kuti pendi inamatire zviri nani pamusoro.
Kune zvinhu zvidiki zvesimbi, zinc plating ndiyo nzira yakanakisisa. Maitiro aya anonyanya kukodzera zvikamu zvesimbi zvisina chimiro chakasiyana, sezvo chikamu chekunze chinogona kutevedzera zviri nyore maitiro esimbi yepasi.
4 Kupfapfaidza Simbi
Mukuita kwesimbi yekupfapfaidza zinc plating, zvidimbu zvezinc zvakanyungudutswa zvine magetsi kana atomu zvinopfapfaidzwa pamusoro pesimbi. Izvi zvinoitwa uchishandisa pfuti inopfapfaidzwa neruoko kana murazvo chaiwo.
Usati waisa zinc coating, tsvina yese, yakaita semapendi asingadiwe pamusoro, mafuta, uye ngura, inofanira kubviswa. Kana basa rekuchenesa rapera, zvidimbu zvezinc zvakanyungudutswa zvinopfapfaidzwa pamusoro penzvimbo isina kusimba, uko zvinooma.
Nzira iyi yekupfapfaidza simbi ndiyo inonyanya kukodzera kudzivirira kukwenya kana kupwanyika, asi haina kunaka pakudzivirira ngura zvakanyanya.
Kupfeka zinc kunogara kwenguva yakareba sei?
Kana tichitarisa kugara kwenguva refu, zvinowanzoenderana nekukora kwejira rezinc, pamwe nezvimwe zvinhu zvakaita serudzi rwenzvimbo, rudzi rwejira rezinc rinoshandiswa, uye mhando yejira rependi kana respray. Kana zinc yakakora, hupenyu hwese hunowedzera kureba.
Kuisa galvanizing inopisa kana kudirwa nemhepo (hot-dip) zvichienzaniswa nekuisa galvanizing inotonhora (cold-dip)Machira esimbi anodziya anowanzo gara kwenguva refu kupfuura akaomeswa nechando nekuti anowanzo kora uye akasimba. Kupisa kunosanganisira kunyudza simbi mu zinc yakanyungudutswa, nepo munzira yekupisa kunopisa, chikamu chimwe kana zviviri zvinopfapfaidzwa kana kukweshwa.
Panyaya yekugara kwenguva refu, machira esimbi anodziya anogona kugara kwemakore anopfuura makumi mashanu pasinei nemamiriro ekunze. Kusiyana neizvi, machira esimbi anodziya anowanzogara kwemwedzi mishoma kusvika kumakore mashoma, zvichienderana nekukora kwejira racho.
Pamusoro pezvo, munzvimbo dzine ngura yakawanda dzakadai senzvimbo dzemaindasitiri, nguva yekurarama kwe zinc coatings inogona kunge yakaganhurirwa. Nokudaro, kusarudza zinc coatings dzemhando yepamusoro uye kudzichengetedza kwenguva refu kwakakosha pakudzivirira zvakanyanya kubva mukuora, kupera, uye ngura.
Nguva yekutumira: Nyamavhuvhu-12-2025
