Anti-corrosion ea galvanized steel pipe welding: Kamora kalafo ea bokaholimo, zinki e chesang e fafatsang. Haeba galvanizing e sa khonehe sebakeng sa marang-rang, u ka latela mokhoa oa ho thibela ho bola sebakeng sa marang-rang: brush epoxy zinc-rich primer, epoxy micaceous iron intermediate pente, le polyurethane topcoat. Botenya bo bolela litekanyetso tse amehang.

Likarolo tsa ts'ebetso ea phala ea tšepe ea galvanized
1. Ntlafatso ea sulfate galvanizing: Molemo oa sulfate galvanizing ke hore katleho ea hona joale e ka holimo ho 100% 'me tekanyo ea ho behoa e potlakile, e ke keng ea bapisoa le mekhoa e meng ea galvanizing. Hobane kristale ea ho roala ha e ntle ka ho lekaneng, bokhoni ba ho hasana le bokhoni bo tebileng ba ho pata ha bo bobe, kahoo bo loketse feela liphaephe tsa electroplating le lithapo tse nang le libopeho tse bonolo tsa thutatekanyo. Ts'ebetso ea sulfate electroplating zinki-iron alloy e ntlafatsa ts'ebetso ea setso ea sulfate galvanizing, e bolokang letsoai la zinki sulfate feela, le ho lahla likarolo tse ling. Ka mokhoa o mocha oa ts'ebetso, ho eketsoa palo e loketseng ea letsoai la tšepe ho etsa lesela la alloy ea zinki ho tsoa ho lesela le le leng la pele la tšepe. Ho hlophisoa bocha ha ts'ebetso ha ho khothaletse feela melemo ea ts'ebetso ea mantlha ea ts'ebetso e phahameng ea hajoale le sekhahla sa ho potlaka ka potlako empa hape ho ntlafatsa haholo bokhoni ba ho qhalakanngoa le bokhoni bo tebileng ba ho pata. Nakong e fetileng, likarolo tse rarahaneng li ne li ke ke tsa kenngoa, empa hona joale likarolo tse peli tse bonolo le tse rarahaneng li ka kenngoa, 'me ts'ebetso ea ts'ireletso e phahame ka makhetlo a 3 ho ea ho 5 ho feta ea tšepe e le' ngoe. Ts'ebetso ea tlhahiso e pakile hore electroplating e tsoelang pele ea lithapo le liphaephe e na le lijo-thollo tse ntle le tse khanyang ho feta tsa pele, 'me sekhahla sa deposition se potlakile. Botenya ba ho roala bo fihla se hlokahalang nakong ea metsotso e 2 ho isa ho e 3.

2. Phetoho ea sulfate zinki plating: Sulfate electroplating ea zinki-iron alloy e boloka feela letsoai le leholo la zinki sulfate ea sulfate zinki plating, 'me likarolo tse setseng tse kang aluminium sulfate le alum (potassium aluminium sulfate) li ka kenyelletsoa ka sodium hydroxide nakong ea Phekolo ea tharollo ea plating ho hlahisa pula e se nang hydroxide bakeng sa ho tlosoa; bakeng sa li-additives tsa organic, khabone e entsoeng ka phofshoana e kentsoeng bakeng sa ho bapatsa le ho tlosoa. Tlhahlobo e bontša hore aluminium sulfate le potasiamo aluminium sulfate ho thata ho e tlosa ka ho feletseng ka nako e le 'ngoe, e nang le phello e khanyang ea ho roala, empa ha e tebile ebile e ka jeoa ka ho tlosoa. Ka nako ena, khanya ea ho roala e ka tsosolosoa. Tharollo e ka eketsoa ho ea ka litaba tsa likarolo tse hlokoang ke ts'ebetso e ncha ka mor'a phekolo, 'me phetoho e phethiloe.

3. Sekhahla sa ho beha ka potlako le ts'ebetso e ntle ea ts'ireletso: Ts'ebetso ea hona joale ea sulfate electroplating zinc-iron alloy process e ka holimo ho 100%, 'me sekhahla se potlakileng sa deposition ha se bapisoe ke mokhoa leha e le ofe oa galvanizing. Lebelo la ho sebetsa la tube e ntle ke 8-12m / min, 'me tekanyo ea ho roala ka karolelano ke 2m / min, eo ho leng thata ho e finyella ka galvanizing e tsoelang pele. Ho roala hoa khanya, hoa tiea, ebile ho khahleha mahlong. Ho ea ka mokhoa o tloaelehileng oa naha oa GB/T10125 "Artificial Atmosphere Test-Salt Spray Test" mokhoa, ho roala ho tiile ebile ha hoa fetoha bakeng sa lihora tsa 72; palo e nyane ea mafome a masoeu e hlaha holim'a seaparo ka mor'a lihora tse 96.

4. Tlhahiso e ikhethang e hloekileng: Pipe ea tšepe e entsoeng ka galvanized e amohela mokhoa oa sulfate electroplating zinki-iron alloy, e leng se bolelang hore li-slots tsa line tsa tlhahiso li phunyeletsoa ka ho toba 'me tharollo ha e etsoe kapa e tletse. Mokhoa o mong le o mong oa ts'ebetso ea tlhahiso o na le mokhoa oa ho potoloha. Litharollo tsa tanka ka 'ngoe, e leng acid le alkali solution, electroplating solution, le light and passivation solution, li sebelisoa feela le ho sebelisoa hape ntle le ho lutla kapa ho tsoa ka ntle ho sistimi. Mohala oa tlhahiso o na le litanka tse 5 feela tsa ho hloekisa, tse sebelisoang hape le ho sebelisoa khafetsa, haholo-holo ts'ebetsong ea tlhahiso ntle le ho hlahisa metsi a litšila ka mor'a passivation.

5. Ntho e ikhethang ea lisebelisoa tsa electroplating: The electroplating ea liphaephe tsa tšepe tse entsoeng ka masenke li tšoana le electroplating ea lithapo tsa koporo, tseo ka bobeli e leng electroplating e tsoelang pele, empa lisebelisoa tsa ho roala li fapane. Tanka ea ho pola e etselitsoeng litšobotsi tse tšesaane tsa terata ea tšepe e telele ebile e sephara empa ha e teba. Nakong ea electroplating, terata ea tšepe e feta ka sekoting ebe e hasana holim'a metsi ka tsela e otlolohileng, e boloka hole le e mong. Leha ho le joalo, liphaephe tsa tšepe tse entsoeng ka masenke li fapane le lithapo tsa tšepe ’me li na le litšobotsi tsa tsona tse ikhethang. Thepa ea tanka e rarahane ho feta. 'Mele oa tanka o entsoe ka likarolo tse ka holimo le tse tlase. Karolo e ka holimo ke tanka ea plating, 'me karolo e ka tlaase ke tanka ea polokelo ea potoloho ea tharollo, e etsang' mele oa tanka ea trapezoidal o moqotetsane ka holimo le ka bophara ka tlase. Ho na le kanale bakeng sa electroplating ea liphaephe tšepe masenke ka tanka plating. Ho na le masoba a mabeli ka tlas'a tanka a hokahaneng le tanka ea polokelo ka tlase, 'me a theha potoloho ea tharollo ea plating le mokhoa oa ho sebelisa hape ka pompo e ka tlas'a metsi. Ka hona, ho polaea ha liphaephe tsa tšepe ho matla, ho tšoana le ha lithapo tsa tšepe li kenngoa ka motlakase. Ho fapana le electroplating ea lithapo tsa tšepe, tharollo plating ea electroplated galvanized liphaephe tsa tšepe e boetse e matla.