Kuongororwa kwemaitiro ekugadziriswa kwepamusoro kwesimbi yakabatiswa grating isati yapenda

Kuongororwa kwemaitiro ekugadziriswa kwepamusoro kwesimbi yakabatiswa grating isati yapenda

Kupisa-dip galvanizing (hot-dip galvanizing for short) pamusoro pesimbi grating ndiyo inonyanya kushandiswa uye inoshanda tekinoroji yekudzivirira pamusoro pekudzora kuparara kwezvakatipoteredza kwezvikamu zvesimbi. Mumamiriro ekunze emuchadenga, iyo inopisa-dip galvanizing coating yakawanikwa neiyi tekinoroji inogona kuchengetedza simbi zvidimbu kubva mukuora kwemakore akati wandei kana anopfuura makore gumi. Kune zvikamu zvisina zvakakosha anti-corrosion zvinodiwa, hapana chikonzero chechipiri anti-corrosion kurapwa (kupfapfaidza kana kupenda). Nekudaro, kuitira kuchengetedza mutengo wekushandisa wemidziyo nezvivakwa, kuderedza kugadzirisa, uye kuwedzera hupenyu hwesevhisi yekugezesa simbi munzvimbo dzakaomarara, zvinowanzodikanwa kuita chechipiri chekudzivirira pane inopisa-dip galvanized simbi grating, kureva, kuisa zhizha organic coating pane inopisa-dip galvanized surface kuti iite kaviri-layer anti-corrosion system.
Kazhinji, masimbi esimbi anowanzo kupfuudzwa online pakarepo mushure mekupisa-dip galvanizing. Munguva yemaitiro ekufambisa, oxidation reaction inoitika pamusoro peiyo inopisa-dip galvanizing coating uye iyo interface yepassivation mhinduro, ichigadzira dense uye yakanyatso kuomerera passivation firimu pamusoro peiyo inopisa-dip galvanizing layer, iyo inobata basa mukusimudzira kushora kweiyo zinc layer. Nekudaro, kune masimbi esimbi anoda kuputirwa nechirimo primer kuti agadzire kaviri-layer anti-corrosion system yekudzivirira, dense, yakatsetseka, uye passive simbi passivation firimu inonetsa kusungirirana zvakasimba neinotevera yezhizha primer, zvichikonzera kubhuroka nguva isati yakwana uye kudururwa kweiyo organic coating panguva yebasa, zvichikanganisa kudzivirira kwayo.
Kuti uwedzere kuvandudza kusimba kwesimbi gratings inobatwa ne-hot-dip galvanizing, zvinowanzogoneka kupfeka yakakodzera organic coating pamusoro payo kuti iite composite yekudzivirira system yekudzivirira. Tichifunga kuti pamusoro peiyo inopisa-dip galvanized layer yesimbi grating yakati sandara, yakatsetseka, uye yakaita bhero, simba rekubatanidza pakati payo uye rinotevera rekuvhara system harina kukwana, izvo zvinogona kutungamira nyore kubhuroka, kudurura, uye kutadza kusati kwasvika kwekupfeka. Nokusarudza primer yakakodzera kana nzira yakakodzera yekugadzirira, simba rekubatanidza pakati pe zinc coating / primer coating inogona kuvandudzwa, uye kudzivirirwa kwenguva refu kwegadziriro yekudzivirira inosanganiswa inogona kushandiswa.
Iyo kiyi tekinoroji inokanganisa kudzivirira kweiyo inopisa-dip galvanized simbi grating pamusoro inodzivirira coating system iri zvakare kurapwa kwepamusoro pamberi pekupfeka. Sandblasting ndeimwe yeanonyanya kushandiswa uye akavimbika pamusoro pekurapa nzira yesimbi yekuputira simbi, asi nekuti inopisa-dip galvanized pamusoro yakapfava, yakawandisa jecha kudzvanywa uye jecha saizi yejecha inogona kukonzera kurasikirwa kwegirodhi resimbi. Nekudzora kupfapfaidzwa kwepfapfaidzo uye saizi yejecha, kuputika kwejecha kuri pakati nepakati pamusoro pekupisa-dip galvanized steel grating inzira inoshanda yekurapa pamusoro, ine mhedzisiro inogutsa pakuratidzwa kwe primer, uye kusimba kwekubatanidza pakati payo uye inopisa-dip galvanized layer yakakura kupfuura 5MPa.
Uchishandisa cyclic hydrogen primer ine zinc phosphate, kunamira pakati pe zinc coating/organic primer yakakura kupfuura 5MPa isina jecha. Pamusoro peiyo inopisa-dip galvanized simbi grating, kana zvisiri nyore kushandisa sandblasting pamusoro pekurapa, kana imwe organic coating ikatariswa gare gare, phosphate-ine primer inogona kusarudzwa, nekuti phosphate mune primer inobatsira kuvandudza kunamatira kwependi firimu uye kuwedzera anti-corrosion mhedzisiro.
Isati yaiswa primer mukuvaka kwekuputira, iyo inopisa-dip galvanized layer yesimbi grating inopfuudzwa kana kusapfuura. Iyo pretreatment haina mhedzisiro yakakosha pakuvandudza kunamatira, uye kupukuta doro hakuna pachena kuvandudza mhedzisiro pasimba rekubatanidza pakati pe zinc coating / primer.