Thaum cov khoom hlau raug nthuav tawm rau huab cua thiab dej vapor rau lub sijhawm ntev, lawv tau yooj yim ua rau oxidative corrosion, uas ua rau xeb ntawm cov hlau nto.
Txhawm rau daws cov teeb meem ntawm cov hlau corrosion, tib neeg tsim los tiv thaiv xeb pleev xim. Nws cov ntsiab cai tiv thaiv xeb feem ntau muaj xws li cov txheej txheem teeb meem thiab kev tiv thaiv kev tiv thaiv Cathodic.
Ua ntej tshaj plaws, ib qho ntawm kev tawm tsam cov ntsiab lus xeb ntawm cov xim xeb xeb yog lub hauv paus ntsiab lus. Anti-xeb xim muaj cov tshuaj uas tuaj yeem tsim zaj duab xis tiv thaiv. Cov yeeb yaj kiab tiv thaiv no tuaj yeem npog cov hlau saum npoo, thaiv cov pa thiab dej vapor thiab tiv thaiv lawv los ntawm corroding cov hlau. Cov txheej txheej tiv thaiv ntawm zaj duab xis ua lub luag haujlwm ua lub luag haujlwm ntawm kev cais cov hlau los ntawm ib puag ncig sab nraud, uas yog qhov txuas ntxiv ntawm cov khoom lag luam hlau.
Lwm qhov kev tiv thaiv ib cheeb tsam yog lub hauv paus ntsiab lus ntawm kev tiv thaiv Cathodic. Antholust pleev xim feem ntau muaj qee cov hlau ions. Cov hlau ions tuaj yeem tsim cov hlau thaiv cov hlau, yog li txo cov roj oxidation ntawm cov hlau nto thiab qeeb qeeb ntawm cov hlau. Qhov kev tiv thaiv xeb no muaj peev xwm ua cov Cathodic kev tiv thaiv zoo li zinc, txhuas thiab lwm yam hlau, yog li ua tiav xeb kev tiv thaiv cov hlau.
Feem ntau, cov ntsiab lus xeb ntawm cov xim xeb feem ntau yog cov tshwm sim ntawm kev tiv thaiv hlau los ntawm kev tiv thaiv hlau thiab tiv thaiv lub neej zoo thiab kev pab cuam lub neej zoo thiab pabcuam. Yog li ntawd, hauv cov ntawv thov engineering, nws yog ib qho tseem ceeb heev los xaiv cov xim xeb tsim nyog xim, uas tuaj yeem loj lub neej ntawm cov khoom lag luam hlau thiab txo tus nqi kho.
Lub Sijhawm Post: Jan-18-2024