Pipe e entsoeng ka masenke e chesang

Tšepe e qhibilihisitsoeng e kopana le matrix ea tšepe ho hlahisa lesela la alloy, e le hore matrix le seaparo se kopane. Hot dip galvanizing ke ho qala ho pickling phala ea tšepe, e le ho tlosa oxide ea tšepe holim'a phala ea tšepe, ka mor'a pickling, ka ammonium chloride kapa zinki chloride aqueous solution kapa ammonium chloride le zinki chloride e tsoakiloeng ka tanka ea tharollo ea metsi bakeng sa ho hloekisa, ebe o kena ka tankeng ea ho qoelisa e chesang. Hot dip galvanizing e na le melemo ea ho roala junifomo, ho khomarela ka matla le bophelo bo bolelele ba tšebeletso. Boholo ba lits'ebetso tse ka leboea li amohela ts'ebetso ea ho tlatsa zinki ea phala ea galvanized lebanta ka kotloloho.

Peipi e batang ea masenke

Cold galvanized ke motlakase oa motlakase, chelete ea galvanized e nyane haholo, ke 10-50g / m2 feela, khanyetso ea eona ea kutu e fapane haholo le phala e chesang ea masenke. Baetsi ba liphaephe tse tloaelehileng tsa galvanized, e le ho netefatsa boleng, ba bangata ha ba sebelise galvanizing ea motlakase (cold plating). Ke likhoebo tse nyane feela tse nang le lisebelisoa tsa khale tse sebelisang galvanizing ea motlakase, ehlile, litheko tsa tsona li batla li le theko e tlase. Nakong e tlang, liphaephe tse batang tsa masenke ha lia lumelloa ho sebelisoa e le lipeipi tsa metsi le khase.

Pipe ea tšepe e nang le sekontiri se chesang

Liphetoho tse rarahaneng tsa 'mele le tsa lik'hemik'hale li etsahala pakeng tsa karoloana ea tšepe ea tšepe le bate e qhibilihisitsoeng ho etsa lesela le thata la alloy ea zinki le ho hanyetsa ho bola. Lera la alloy le kopantsoe le lesela le hloekileng la zinki le matrix a phala ea tšepe. Ka hona, khanyetso ea eona ea kutu e matla.

Ka mor'a tsoelo-pele ea phala ea tšepe e chesang ea masenke lilemong tsa bo-1960 ho ea ho bo-1970, boleng ba sehlahisoa bo ntlafalitsoe haholo, 1981 ho 1989 e ile ea fuoa Lekala la metallurgic ea lihlahisoa tsa boleng bo phahameng le khau ea silevera ea naha, tlhahiso e boetse e eketsehile ka lilemo tse ngata, 1993 tlhahiso ea ho feta. ho feta lithane tse 400 000, 1999 tse hlahisoang ke lithane tse fetang 600 000, 'me li romelloa ka ntle ho Asia Boroa-bochabela, Afrika, United States, Japane, Jeremane Linaheng le libakeng. Liphaephe tse nang le masela a chesang a chesang li sebelisoa haholo e le lipeipi tsa metsi le lipeipi tsa khase, 'me litlhaloso tse tloaelehileng ke +12.5~+102 mm. Kamora lilemo tsa bo-1990, ka lebaka la tlhokomelo ea mmuso ho ts'ireletso ea tikoloho, taolo ea likhoebo tse nang le tšilafalo e phahameng e ntse e e-ba thata le ho feta, "litšila tse tharo" tse hlahisoang tlhahisong ea liphaephe tse chesang tse chesang ho thata ho li rarolla, hammoho le tsoelo-pele e potlakileng ea liphaephe tse entsoeng ka tšepe tse sa hloekang, liphaephe tsa PVC le liphaephe tse kopantsoeng, hammoho le mmuso ho khothalletsa tšebeliso ea thepa ea ho haha ​​​​lik'hemik'hale, tšebeliso ea lipeipi tsa tšepe tse entsoeng ka masenke e thibetsoe, ho etsa hore ho be le tsoelo-pele ea liphaephe tse chesang tse nang le galvanized welded. amme Beam le moeli, chesang qoelisa masenke welded phala hamorao ntshetswa pele butle.

Peipi ea tšepe e batang

Lesela la zinki ke lesela la motlakase, 'me lesela la zinki le ikemetse ka matrix a phala ea tšepe. Lesela la zinki le tšesaane, 'me lesela la zinki le khomaretsoe feela ho matrix a tšepe ea tšepe' me ho bonolo ho oa. Ka hona, khanyetso ea eona ea kutu e fokola. Meahong e mecha ea bolulo, ho thibetsoe ho sebelisa lipeipi tsa tšepe tse batang e le lipeipi tsa phepelo ea metsi.