Thaum tshav kub kub exchangers thiab tshav kub exchangers tuaj yeem daws tau los ntawm lwm txoj hauv kev ntxiv rau kev siv tshwj xeeb ZS ceramic los tiv thaiv corrosion los tiv thaiv corrosion thiab ncua lawv lub neej kev pab cuam.
Tso lus
Thaum tshav kub kub exchangers thiab tshav kub exchangers tuaj yeem daws tau los ntawm lwm txoj hauv kev ntxiv rau kev siv tshwj xeeb ZS ceramic los tiv thaiv corrosion los tiv thaiv corrosion thiab ncua lawv lub neej kev pab cuam.
Cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob tuaj yeem daws tau los ntawm lwm txoj hauv kev ntxiv rau kev siv tshwj xeeb ZS ceramic los tiv thaiv corrosion los tiv thaiv corrosion thiab ncua kev pab cuam lub neej. ① Txo cov corrosiveness ntawm qhov nruab nrab tuaj yeem ua tiav los ntawm kev tshem tawm cov pa oxygen thiab oxidants los ntawm nruab nrab los tswj kev ntxhov siab corrosion, txo cov concentration ntawm Cl - nyob rau hauv nruab nrab, thiab nruj me ntsis tswj cov concentration ntawm sulfur nyob rau hauv nruab nrab kuj yog ib qho zoo. ntsuas los tswj kev ntxhov siab corrosion. ② Txhim kho cov qauv thiab cov qauv ntawm lub tshav kub exchanger. Txhawm rau kom tsis txhob muaj cov kua qaub thiab cov khib nyiab pov tseg, ob lub taub qab vuam thiab txuas txuas txuas ntxiv yuav tsum tau siv ntau li ntau tau thaum vuam, tsis txhob siv cov hlua khi thiab qhov chaw vuam. Nyob rau hauv cov txheej txheem vuam, vuam hlau yuav tsum tau sau 100% kom ntseeg tau zoo weld tsim Txo cov residual kev nyuaj siab, raws li kev xyaum ua, lub ntsiab kev nyuaj siab corrosion cracking yog residual kev nyuaj siab, uas yog tsuas yog tsim los ntawm kev ntxhov siab nyob rau hauv lub txias ua thiab vuam. . Kev kho cua sov ntawm kev ua haujlwm txias thiab cov khoom siv welded pab tshem tawm cov kev ntxhov siab seem, yog li tseem tiv thaiv qhov tshwm sim ntawm kev ntxhov siab corrosion. Kev ntxhov siab annealing kev kho cua sov los yog lwm txoj hauv kev los tshem tawm cov kev ntxhov siab uas seem feem ntau yog siv, xws li kev sim hydraulic, kev co laus, thiab hammering Electrochemical tiv thaiv txoj kev, kev ntxhov siab corrosion tawg yog txheej txheem anodic dissolution nyob rau hauv kev ntxhov siab. Yog li ntawd, kev tiv thaiv electrochemical tuaj yeem siv los tswj. Txoj kev tiv thaiv electrochemical tuaj yeem tsis tsuas yog tiv thaiv kev ntxhov siab corrosion tawg, tab sis tseem txwv tsis pub kev nthuav tawm ntawm cov kab nrib pleb txawm tias cov kev tiv thaiv tsis raug xaiv kom tsim nyog. Sacrificial anode tiv thaiv los yog nto txau ntawm corrosion-resistant hlau yuav siv tau Ntxiv corrosion inhibitors los tiv thaiv kev nyuaj siab corrosion tawg ntawm stainless hlau los ntawm tshwm sim nyob rau hauv lub activation muaj peev xwm cheeb tsam, uas yuav tsum tau them nrog adsorption hom corrosion inhibitors. Txoj kev sib sau ua rau cov yeeb yaj kiab adense adstorption zaj duab xis ntawm cov hlau nto suppresses ntawm cov txheej txheem corrosion. 6. Kev ntxuav cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob tuaj yeem ua tiav los ntawm kev ua kom huv. Cov tshuaj ntxuav yog muab tso rau hauv cov dej ntws hauv cov dej ntws rau kev ncig, uas muaj kev tu kom zoo dua ntawm daim hlau tom qab scaling. Qhov thib ob txoj kev yog disassemble thiab huv si. Yog hais tias cov channel ntawm cov cua kub exchanger raug thaiv los ntawm impurities, lawv yuav tsum tau disassembled thiab ntxuav ib tug los ntawm ib tug. Kev ntxuav ntawm cov khoom siv hluav taws xob feem ntau yog siv cov tshuaj ntxuav tes uas muaj zog nkag, tev, ntxuav, thiab muaj peev xwm tiv thaiv corrosion. Kev kho ua ntej ua haujlwm tu tuaj yeem txo qhov kev raug mob corrosion zoo heev.
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