Sida loo qaado daaweynta anticorrosion ee silig galvanized duudduuban oo weyn

silig galvanized duudduuban Large waa isticmaalka processing silig birta carbon hoose, ka dib markii sawir samaynta, saarista miridhku pickling, annealing heerkulka sare, qaboojinta iyo hababka kale, in isticmaalka waa ka sii ballaaran.Heerkulka fiilada galvanized ee duudduuban ee weyn ee loogu talagalay korantada waa in lagu xakameeyaa 30 ilaa 50 ℃.Sababtoo ah ions chloride ee qubayska ayaa aad u daxalaysa, kuleyliyaha quraaradaha quartz ayaa guud ahaan la isticmaalaa.

Si ballaaran loo isticmaalo ficil ahaan, siligga birta ayaa sidoo kale leh waxyeelo gaar ah, miridhku fudud iyo daxalka, sidaa darteed waxaan guud ahaan isticmaali karnaa habka galvanized si looga hortago daxalka alaabta.Si wada jir ah marka lagu daro habkan, biraha sida caadiga ah loo isticmaalo hababka daaweynta iyo daaweynta fosfatka, daaweynta oksaydhka, iwm. Daaweynta fosfooraska birta: birta iyo alaabooyinka birta si looga saaro saliidda, miridhku, galay qayb gaar ah oo ka mid ah xalinta milixda qooyay, waxaad samayn kartaa lakab. filimka milixda biyaha ee dusha sare ee birta, habkan waxaa loo yaqaan daaweynta fosfatinta.

silig galvanized

 

duuban Large galvanized silig phosphating silig waa cawl madow cawl madow, dhumucdiisuna guud ahaan waa 5-20μm, ayaa iska caabin daxalka ka wanaagsan ee jawiga.Membrane waa qaab-dhismeedka microporous, awood adsorption xoog leh si loo rinjiyeeyo, sida loo isticmaalo sida gunta rinjiga, caabbinta daxalka waa la sii horumarin karaa.Daaweynta oksaydhka birta: Ku dar alaabta birta ah ee NaOH iyo NaNO2 xal isku dhafan, daaweynta kuleylka, dusha sare wuxuu sameyn karaa lakabka dhumucdiisuna waxay ku saabsan tahay 0.5-1.5μm filimka buluuga ah ee oksaydhka, si loo gaaro ujeedada ka hortagga daxalka birta, habkan waxaa loo yaqaannaa daaweynta buluuga ah, oo loo yaqaan buluug.

Filimka oksaydhku wuxuu leeyahay barti weyn iyo dufan, ma saameynayso saxnaanta qaybaha.Sidaa darteed, qaybaha qalabka saxda ah iyo qalabka indhaha, birta guga, xaashida birta dhuuban, silig birta wanaagsan iyo wixii la mid ah ayaa caadi ahaan daawaynta bluing ah.Daawaynta galvanizing ee sida caadiga ah loo isticmaalo ee silig galvanized duudduuban waxay u dhigantaa samaynta lakab ilaalin dusha fiilada birta.Habka caadiga ah ee la isticmaalo waa galvanizing kulul, buufin kulul, dhejis vacuum iyo wixii la mid ah.Hababka kala duwan waxay leeyihiin sifooyin u dhigma.


Waqtiga boostada: 18-04-23
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