1.Dab tsi yog cov yam ntxwv ntawm ib puag ncig suab puam?
Tsawg Humidity (Favorable Factor):
Qhov no yog qhov tseem ceeb tshaj plaws uas muaj txiaj ntsig zoo. Ib qho electrolyte (feem ntau yog cov yeeb yaj kiab dej) yog qhov tseem ceeb rau electrochemical corrosion. Cov huab cua qhuav heev thiab tsis tshua muaj qhov nruab nrab txhua xyoo cov av noo nyob rau hauv cov suab puam ua rau nws nyuaj rau ib tug nruam thiab ruaj khov electrolyte zaj duab xis los tsim nyob rau hauv steel nto, ho slowing tus nqi corrosion.
Loj Diurnal Temperature Variation (Unfavorable Factor):
Cov suab puam muaj cua sov thaum nruab hnub thiab txias thaum hmo ntuj. Qhov kub sib txawv no ua rau cov dej noo hauv huab cua kom condense ntawm cov hlau nto thaum hmo ntuj. Txawm hais tias huab cua qhuav, lub voj voog niaj hnub condensation muab qhov tsim nyog noo noo rau corrosion. Qhov no yog lub ntsiab tsav tsheb tom qab suab puam corrosion.
High Ultraviolet Radiation (Qhov Tsis Zoo Tshaj):
Lub hnub ci hnyav nrawm nrawm rau oxidation ntawm zinc txheej saum npoo thiab tuaj yeem ua rau cov khoom siv tiv thaiv corrosion (piv txwv li zinc carbonate) ntawm zinc txheej nto tsis ruaj khov, nthuav tawm qee yam kev laus.
2.Dab tsi yog cov yam ntxwv ntawm cov suab puam ib puag ncig thiab nws cuam tshuam rau corrosion?
High UV Radiation (Adverse Factor):
Lub hnub ci muaj zog nrawm nrawm rau oxidation ntawm zinc txheej txheej thiab tuaj yeem ua rau cov khoom tiv thaiv corrosion (piv txwv li zinc carbonate) ntawm zinc txheej txheej, ua rau kev laus.
Cua thiab Sand Abrasion (Adverse Factor):
Cua thiab xuab zeb muaj ntau cov xuab zeb nyuaj, uas tuaj yeem cuam tshuam thiab khawb cov txheej txheej galvanized, ua rau lub cev puas tsuaj ntawm zinc txheej, nthuav tawm cov hlau substrate, thiab tsim qhov pib rau pitting corrosion.
Muaj peev xwm Saline-Alkali Av (Adverse Factor):
Cov av hauv qee thaj chaw suab puam yuav yog alkaline lossis muaj ntsev. Yog hais tias cov galvanized coil siv nyob rau hauv cov qauv nyob ze rau hauv av los yog nyob rau hauv kev sib cuag nrog cov xuab zeb, cov soluble ntsev yuav yaj nyob rau hauv lub condensation, tsim ib tug ntau conductive electrolyte uas sai ceev corrosion.
3.Dab tsi yog cov txheej txheem tiv thaiv ntawm galvanized coils?
Kev Tiv Thaiv Kev Tiv Thaiv: Ib txheej zinc ua tiav lub cev cais cov hlau substrate los ntawm ib puag ncig.
Kev tiv thaiv cathode: Txawm tias muaj cov khawb me me ntawm cov zinc txheej, cov khoom siv hluav taws xob raug ua raws li cathode, tau txais kev tiv thaiv kev txi los ntawm zinc (anode).
4.Dab tsi yog cov txheej txheem tsis ua haujlwm ntawm galvanized kauj?
Vim qhov tsis txaus ntawm cov dej noo, qhov kev tiv thaiv anodic sacrificial ntawm zinc yog intermittent (feem ntau thaum hmo ntuj condensation).
Qhov kev tiv thaiv tseem ceeb yog los ntawm nws txoj kev thaiv kev ua haujlwm.
Yog li ntawd, lub thickness thiab kev ncaj ncees ntawm zinc txheej yog qhov tseem ceeb hauv kev txiav txim siab nws txoj sia.
5.Dab tsi yog qee cov lus qhia rau kev siv nws hauv suab puam?
Xaiv ib lub tuab tuab zinc txheej:
Thaum xaiv galvanized coils, xaiv cov khoom uas muaj ntau dua zinc txheej tsim (xws li Z180, Z275 es tsis txhob Z60). Lub thickness zinc txheej txhais tau hais tias hnav lub sij hawm ntev dua thiab zoo dua abrasion tsis kam. Kub-dip galvanized coils (xws li SGCC) feem ntau muaj cov zinc txheej tuab dua li electro-galvanized coils (xws li SECC) thiab yog li nyiam.
Tiv thaiv qhov chaw thaum lub sij hawm thauj mus los thiab kev teeb tsa:
Tsis txhob khawb qhov galvanized nto thaum lub sij hawm hoisting, tuav, thiab installation. Txhua qhov khawb uas nkag mus rau hauv lub substrate yuav dhau los ua qhov pib rau yav tom ntej corrosion.
Tshaj tawm - kho qhov txiav thiab khawb hnyav:
Rau kev puas tsuaj loj heev los ntawm kev txiav cov npoo los yog kev teeb tsa, thov tam sim ntawd siv zinc-nplua nuj xim rau kev kho kom rov zoo dua qhov corrosion ntawm cheeb tsam.