Falanqaynta habka daaweynta dusha sare ee shabagyada galvanized birta ka hor rinjiyeynta

Falanqaynta habka daaweynta dusha sare ee shabagyada galvanized birta ka hor rinjiyeynta

Galvanizing-kulul (kulul-kulul galvanizing gaaban) dusha sare ee shabaglaha birta ayaa ah tan ugu caansan uguna waxtarka badan tignoolajiyada ilaalinta dusha sare ee lagu xakameynayo daxalka deegaanka ee qaybaha birta. Guud ahaan jawiga jawiga, dahaarka galvanizing kulul ee ay heshay tignoolajiyadani waxay ka ilaalin kartaa qaybaha birta ee miridhku dhowr sano ama in ka badan 10 sano. Qaybaha aan lahayn shuruudo gaar ah oo ka-hortagga daxalka, looma baahna daaweyn labaad oo ka-hortagga daxalka (buufin ama rinjiyeyn). Si kastaba ha ahaatee, si loo badbaadiyo kharashka hawlgalka ee qalabka iyo xarumaha, la yareeyo dayactirka, iyo dheeraad ah u kordhiyaa nolosha adeegga ee shabaggeedii birta ee jawi adag, inta badan waa lagama maarmaan in la sameeyo ilaalinta labaad on shabaggeedii birta galvanized kulul-muquufin, taas oo ah, codsan daahan organic xagaaga on dusha galvanized kulul-muquufin si ay u sameeyaan a double-lakab nidaamka anti-daxalka.
Caadiyan, shabagyada birta ah ayaa guud ahaan laga gudbiyaa onlayn isla markiiba ka dib galvanizing-kulul. Inta lagu guda jiro habka passivation, fal-celin oksaydhisku waxay ku dhacdaa dusha sare ee daahan kulul-muquufin galvanizing iyo interface of xal passivation, samaynta filim passivation cufan oo si adag u dheggan dusha sare ee lakabka galvanizing kulul, kaas oo door ka ciyaara kor u qaadida iska caabbinta daxalka ee lakabka zinc. Si kastaba ha ahaatee, for gratings birta u baahan in la dahaarka leh primer xagaaga si ay u sameeyaan a double-lakab nidaamka anti-daxalka ilaalinta, ee cufan, siman, iyo filimka passivation birta dadban waa adag tahay in si adag xidhi la primer xagaaga soo socda, taasoo keentay in xumbo dhicis ah iyo daadinta daahan organic inta lagu guda jiro adeegga, saameeya saamaynta ay ilaalinta.
Si loo sii wanaajiyo adkeysiga birta birta ah ee lagu daaweeyay galvanizing-kulul, guud ahaan waa suurtogal in lagu daboolo dahaarka dabiiciga ah ee ku habboon dusha sare si loo sameeyo nidaam difaac isku dhafan oo ilaalin ah. Marka la eego in dusha sare ee lakabka galvanized ee kulul ee qashin-qubka birta uu yahay mid siman, siman, iyo gambaleel-qaabeeya, xoogga isku-xidhka ee u dhexeeya isaga iyo nidaamka daahan ee xiga waa mid aan ku filnayn, taas oo si fudud u horseedi karta xumbo, daadinta, iyo fashilka dhicis ee daahan. Adiga oo dooranaya qalab ku habboon ama habka daaweynta ku habboon, xoogga isku-xidhka ee u dhexeeya dahaadhka zinc / daaha hore waa la wanaajin karaa, iyo saamaynta ilaalinta muddada dheer ee nidaamka ilaalinta isku dhafan ayaa la samayn karaa.
Tiknoolajiyada muhiimka ah ee saameeya saamaynta ilaalinta ee kuleylka kuleylka leh ee galvanized birta dahaarka ilaalinta dusha sare ayaa sidoo kale ah daaweynta dusha ka hor daahan. Bacaad-qarxinta waa mid ka mid ah hababka daaweynta dusha ugu badan ee la isticmaalo oo lagu kalsoonaan karo oo loogu talagalay daahan birta, laakiin sababtoo ah dusha sare ee galvanized-ku-kululku waa mid jilicsan, cadaadiska bacaadka ee xad-dhaafka ah iyo cabbirka qayb ka mid ah ciidda waxay sababi kartaa luminta lakabka galvanized ee shabagga birta. Iyada oo la xakameynayo cadaadiska buufinta iyo cabbirka qayb ka mid ah ciidda, ciid dhexdhexaad ah oo dusha sare ah ee kululaynta birta galvanized ee kulul waa habka daaweynta dusha sare ee waxtarka leh, kaas oo saameyn ku leh bandhigga asaasiga ah, iyo xoogga isku xirnaanta ee u dhexeeya isaga iyo lakabka galvanized-kuleelka ayaa ka weyn 5MPa.
Adigoo isticmaalaya alwaax hydrogen ah oo meerto ah oo ay ku jirto zinc phosphate, ku dhejinta u dhaxaysa daahanka zinc/primer-ka noolaha ayaa asal ahaan ka weyn 5MPa iyada oo aan ciid lahayn. Dusha sare ee shabaqlaha birta ah ee kulul, marka aysan ku habboonayn in la isticmaalo daaweynta dusha ciid-blasting, marka daahan organic dheeraad ah la tixgeliyo ka dib, a primer fosfooraska-ku jira ayaa la dooran karaa, sababtoo ah fosfooraska ee primer ka caawisaa si loo hagaajiyo adhesion ee filimka rinjiga iyo kor u saamaynta anti-daxalka.
Ka hor inta aan asaasiga ah lagu dabaqin dhismaha daahan, lakabka galvanized kulul ee shabagga birta waa la dhaafaa ama aan la dhaafin. Daawaynta ka horraysa wax saamayn ah oo la taaban karo kuma yeelanayso hagaajinta ku dheggan, iyo tirtiridda aalkolada wax saamayn ah oo muuqda kuma yeelanayso xoogga isku xidhka ee u dhexeeya daahanka zinc-ga.