Thaum tib neeg them sai sai rau kev tiv thaiv ib puag ncig thiab kev txhim kho kom ruaj khov, kev siv cov kav dej hauv ntau yam lag luam thiab cov teb tau dhau los ua ib txwm muaj. Txawm li cas los xij, cov kav dej feem ntau raug rau qhov chaw ib puag ncig hnyav, xws li kub siab, siab siab, thiab cov xov xwm corrosive, ua rau muaj kev puas tsuaj loj heev rau lawv, ua rau cov nqi kho dua tshiab siab dua thiab, qee zaum, xwm txheej lossis kev puas tsuaj ib puag ncig. Txhawm rau kov yeej cov teeb meem no, cov kav dej tuaj yeem coated nrog cov txheej tiv thaiv xws li3LPE txheejthiab FBE coatings kom ua rau lawv tiv taus corrosion thiab txhim kho lawv cov durability.
3LPE txheej, uas yog, peb txheej polyethylene txheej, yog ib txheej txheej ntau txheej uas muaj cov txheej fusion bonded epoxy (FBE) puag, ib txheej nplaum thiab ib txheej polyethylene topcoat. Lub txheej txheej muaj kev tiv thaiv corrosion zoo heev, lub zog kho tshuab thiab kev cuam tshuam, ua rau nws siv dav hauvcov kav dej roj thiab roj av, cov kav dej thiab lwm yam lag luam uas cov kav dej raug rau cov chaw muaj corrosive.
Txheej FBE, ntawm qhov tod tes, yog ib txheej txheej ib txheej uas muaj cov hmoov epoxy thermosetting siv rau ntawm qhov chaw ntawm cov yeeb nkab. Lub txheej txheej muaj kev sib txuas zoo heev, kev sib txhuam thiab kev cuam tshuam siab thiab kev tiv thaiv tshuaj lom neeg zoo, ua rau nws tsim nyog rau kev tiv thaiv cov yeeb nkab hauv ntau yam lag luam xws li roj thiab roj av, dej thiab kev thauj mus los.
Ob qho tib si 3LPE txheej thiab FBE txheej yog siv dav hauv kev tsim kho kav dej vim lawv cov khoom tiv thaiv zoo heev. Txawm li cas los xij, lawv qhov kev siv sib txawv nyob ntawm qhov xwm txheej tshwj xeeb uas cov kav dej xav tau los daws.
Hauv cov kav dej roj thiab roj av, 3LPE txheej yog qhov nyiam vim nws tuaj yeem tiv taus qhov kev ua haujlwm corrosive ntawm roj thiab roj, nrog rau qhov cuam tshuam thiab kev sib txhuam ntawm cov av ib puag ncig. Tsis tas li ntawd, 3LPE txheej kuj tseem tuaj yeem tiv taus cathodic disbonding, uas yog kev sib cais ntawm cov txheej txheem los ntawm cov hlau vim yog electrochemical reactions. Qhov no yog qhov tseem ceeb tshwj xeeb rau cov kav dej uas tau tiv thaiv cathodically tiv thaiv corrosion.
In cov kav dej, FBE txheej yog thawj qhov kev xaiv vim tias nws tuaj yeem tiv thaiv kev tsim cov biofilm thiab kev loj hlob ntawm cov kab mob, uas tuaj yeem ua rau cov dej tsis zoo. FBE txheej kuj tseem tsim nyog rau cov kav dej xa cov khoom siv abrasive, xws li xuab zeb, xuab zeb lossis av nkos, vim nws txoj kev tiv thaiv zoo heev.
Hauv cov kav dej thauj mus los, 3LPE txheej lossis FBE txheej tuaj yeem siv tau raws li qhov xwm txheej tshwj xeeb ntawm kev thauj mus los. Yog tias cov kav dej raug rau qhov chaw corrosive, xws li ib puag ncig marine, 3LPE txheej yog qhov zoo dua vim nws tiv taus qhov kev ua haujlwm corrosive ntawm dej hiav txwv thiab cov kab mob hauv dej hiav txwv. Yog tias cov kav dej raug rau cov xov xwm abrasive xws li cov zaub mov lossis cov ores, FBE txheej yog qhov zoo dua vim nws tuaj yeem muab kev tiv thaiv zoo dua li 3LPE txheej.
Hauv kev xaus lus, qhov ntau thiab tsawg ntawm daim ntawv thov ntawm 3LPE txheej thiab FBE txheej sib txawv raws li cov xwm txheej tshwj xeeb ntawmkev tsim kho kav dejOb lub txheej txheej muaj lawv tus kheej qhov zoo thiab qhov tsis zoo. Kev xaiv lub txheej txheej yuav tsum xav txog ntau yam xws li qhov xwm txheej ntawm cov khoom nruab nrab, qhov kub thiab txias ntawm cov kav dej, thiab ib puag ncig ib puag ncig. Nrog rau kev txhim kho tas mus li ntawm cov thev naus laus zis kav dej, peb ntseeg tias yuav muaj cov txheej txheem txheej txheem tshiab thiab ua haujlwm tau zoo dua los ua kom tau raws li qhov xav tau ntawm kev tiv thaiv thiab kev nyab xeeb ntawm cov kav dej.
Peb tau txais lub Hoobkas tiv thaiv xeb uas tuaj yeem ua 3PE txheej, epoxy txheej thiab lwm yam. Yog tias muaj lus nug thov hu rau peb.
Lub sijhawm tshaj tawm: Lub Peb Hlis-20-2023