Xeb yog ib qho tsis zam tau rau cov khoom siv hlau. Txawm li cas los xij,cov kav hlau galvanizedyog ib qho kev zam - lawv tuaj yeem tiv taus qhov chaw ib puag ncig hnyav xws li av noo thiab nag acid rau ntau xyoo yam tsis muaj kev puas tsuaj. Qhov zais cia tom qab qhov no tsis yog nyob rau hauv cov yeeb nkab hlau nws tus kheej, tab sis nyob rau hauv cov txheej nyias nyias ntawm cov hlau -zinc- ntawm nws qhov chaw.
Cov txheej zinc no muab kev tiv thaiv ntev rau cov hlau.
Vim li cas hlau thiaj xeb? Lub ntsiab tivthaiv ntawm hlau yog hlau, uas raug dej thiab oxygen los ntawm hluav taws xob, ua rau xeb. Xeb txuas ntxiv mus, ua rau hlau nyias thiab poob zog.
Yog li ntawd, txhua txoj kev los tiv thaiv cov hlau yuav tsum daws ob qhov teeb meem tseem ceeb:
Thaiv dej thiab oxygen kom txo qhov kev ua xeb.
Vim li cas ib txheej zinc thiaj li muab kev tiv thaiv tau ntau xyoo?
Kev Tiv Thaiv Lub Cev
Cov txheej galvanized ncaj qha npog qhov chaw ntawm cov yeeb nkab hlau, ua haujlwm zoo li lub hlau tiv thaiv ntom ntom. Zinc ruaj khov dua li hlau thiab tuaj yeem thaiv cov dej noo, oxygen, thiab cov kua qaub, alkalis, thiab cov ntsev tsuag hauv huab cua. Tsuav yog cov txheej zinc tseem zoo, cov hlau feem ntau raug cais tawm ntawm cov neeg ua haujlwm corrosive.
Kev Tiv Thaiv Cathodic: Zinc Corrodes Ua Ntej, Hlau Tseem Tsis Tau Corroded
Zinc muaj peev xwm hluav taws xob qis dua li hlau thiab yog hlau uas ua rau muaj kev cuam tshuam ntau dua. Thaum zinc thiab hlau sib cuag hauv tib lub cev xeb, zinc yuav xeb ua ntej, yog li ntawd tiv thaiv hlau ntawm kev xeb.
Qhov no yog hu ua lub hauv paus ntsiab lus ntawmkev tiv thaiv cathodicTxawm tias qhov saum npoo ntawm cov yeeb nkab hlau raug khawb los xij, tsuav yog muaj zinc nyob rau hauv thaj chaw ib puag ncig, nws tuaj yeem txuas ntxiv tiv thaiv cov hlau uas raug nthuav tawm. Qhov no yog qhov laj thawj tseem ceeb vim li cas cov hlau galvanized yog"ruaj khov dua"dua li cov txheej txheem ib txwm muaj.
Kev Kho Tus Kheej: Zinc Rust Tsim Ib Zaj Duab Xis Tiv Thaiv Ruaj Khoov
Tom qab zinc raug xeb me ntsis, nws tsim ib txheej tuab ntawmzinc carbonate yooj yimTsis zoo li cov xeb hlau, uas sib sau ua ke raws sijhawm, cov txheej "xeb dawb" no yeej:
- Ntxiv cais qhov chaw ntawm huab cua thiab dej
- Ua kom ruaj khov
- Muab kev tiv thaiv thib ob - yog li ua kom lub neej tiv thaiv ntawm cov txheej galvanized ntev dua
Cov Kav Hlau Galvanized Kav Ntev Npaum Li Cas? Nws Nyob Ntawm Ib Puag Ncig
Lub neej ntawm galvanization muaj feem cuam tshuam nrog ib puag ncig:
| Ib puag ncig | Lub Neej Xav Tau |
|---|---|
| Chaw nyob sab hauv tsev (qhuav) | 30 - 50 xyoo |
| Ib puag ncig huab cua ib txwm muaj | 15 - 25 xyoo |
| Cov chaw nyob ib puag ncig ntawm ntug dej hiav txwv ntsev pos huab | 10 - 15 xyoo(kub-dip galvanized) |
| Cov chaw ua haujlwm corrosive heev | 5 - 10 xyoo(Yuav tsum muaj kev tiv thaiv xeb ntxiv) |
Hauv lwm lo lus, feem ntau cov xwm txheej, cov kav hlau galvanized yeej tuaj yeem tsis muaj xeb rau"xyoo caum."
Cov Txheej Txheem Zinc Tej Zaum Yuav Nyias, Tab sis Nws Lub Luag Haujlwm Tseem Ceeb
Lub sijhawm tshaj tawm: Lub Rau Hli-11-2026
