Kev soj ntsuam ntawm cov txheej txheem corrosion tsis ua hauj lwm thiab kev tiv thaiv ntawm tinplate peb-thooj tank

tsom xam ntawm corrosion tsis ua hauj lwm txheej txheem thiab countermeasures ntawm tinplate peb-thooj tank
Corrosion ntawm tinplate tau

Qhov corrosion ntawm cov khoom ntim hlau yog tshwm sim los ntawm electrochemical instability ntawm cov khoom nyob rau hauv cov ntsiab lus corrosive.Lub ntsiab corrosion-resistant cov ntaub ntawv ntawm tinplate peb-thooj tank yog txheej txheej ntawm lub tank lub cev, tinplate plating txheej thiab txheej hlau, thiab lub hau sab saum toj thiab hauv qab npog uas muaj cov txheej.Vim tias cov khoom ntim hlau muaj qee lub txee lub neej, thaum lub tin tuaj yeem tsim lub neej corrosion ntau dua li lub txee lub neej tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm kev tsim khoom, kom ntseeg tau qhov zoo thiab kev nyab xeeb ntawm cov khoom noj thiab dej haus hauv lub sijhawm txee lub neej, corrosion ntau dhau. margin yog qhov zoo tshaj plaws, nce kev lag luam tus nqi ntawm cov khoom.Txhawm rau coj mus rau hauv tus account cov kev xav tau ntawm tsim nyog tsim lub neej thiab kev txuag nyiaj txiag tib lub sijhawm, kev tsim cov tinplate peb-thooj cov kaus poom muaj cov kev cai nruj rau cov khoom siv raw thiab cov txheej txheem, thiab tswj cov khoom zoo.

Kev sim ua haujlwm qhia tau hais tias txheej txheej, tinning txheej thiab hlau txheej ntawm tinplate yog lub ntsiab tiv thaiv corrosion ntawm lub tank.Cov khoom siv ruaj khov thiab cov cuab yeej tsim nyog tuaj yeem ua tau raws li qhov yuav tsum tau ua ntawm corrosion kuj ntawm feem ntau ntawm cov khoom siv tank.Cov kev tshawb fawb ntsig txog kuj pom tau tias qhov corrosion nyob rau hauv lub tank ntawm qee cov khoom tau tshwm sim ua ntej, vim muaj ntau hom corrosion thiab qhov chaw ntawm qhov tshwm sim, nws txoj kev loj hlob txawv heev, qee cov khoom tso tsheb hlau luam tau tsim cov kab xeb hauv ob peb lub lis piam, loj heev. corrosion txawm tias tom qab ob peb lub hlis yuav tshwm sim corrosion perforation tshwm sim, qee cov khoom tank corrosion tuaj yeem txuas mus rau lub txee lub neej tom qab corrosion yuav tsis tshwm sim corrosion perforation.Nyob rau hauv tus txheej txheem ntawm ntau lawm thiab cia cov kaus poom tinplate, nws yog feem ntau pom hais tias yuav muaj tank corrosion ua ntej mus txog lub txee lub neej ntawm cov kaus poom, thiab cov ntaub ntawv tseem ceeb corrosion yog muab faib mus rau hauv uniform corrosion thiab lub zos corrosion.Hauv zos corrosion yog teeb meem rau qhov zoo thiab kev nyab xeeb ntawm lub tank, thiab tuaj yeem ua rau corrosion thiab perforation to thaum lub sij hawm txee lub neej ntawm lub tank.

1. Uniform corrosion

Uniform corrosion, tseem hu ua kev txhim kho corrosion, qhov tshwm sim corrosion yog faib rau tag nrho cov hlau nto, qhov corrosion ntawm txhua feem ntawm cov hlau nto yog roughly tib yam, cov hlau nto yog sib npaug sib npaug, thiab cov hlau nto tsis pom tseeb. Qhov sib txawv ntawm corrosion morphology, xws li corrosion yog ib qho yooj yim mus nrhiav thiab tswj vim nws tshwm sim nyob rau hauv tag nrho cov nto.Qhov tshwm sim corrosion ntau dua hauv tinplate tuaj yeem ua rau corrosion tsis zoo, uas feem ntau tshwm sim nyob rau hauv lub caj dab cheeb tsam nyob rau sab saum toj ntawm lub cev lub cev, deformation cheeb tsam nyob rau hauv qab ntawm lub cev lub cev thiab txoj hauj lwm ntawm weld txheej.

2. Local corrosion

Hauv zos corrosion, tseem hu ua non-uniform corrosion, yog tshwm sim los ntawm kev tsim cov roj teeb hauv zos corrosion vim qhov tsis sib xws ntawm electrochemical kev ua tau zoo, xws li cov hlau tsis sib xws, deg defects, concentration sib txawv, kev nyuaj siab concentration lossis ib puag ncig tsis sib xws.Qhov tsis zoo thiab anode ntawm lub zos corrosion tuaj yeem paub qhov txawv, lub zos corrosion yog concentrated nyob rau hauv ib qho chaw tshwj xeeb, tshwm sim sai, cov khoom yog corroded sai, thiab lub zos corrosion ntawm lub tinplate tau yooj yim ua rau perforation to phenomenon.Hauv zos corrosion nthuav tawm ntau yam ntxwv, raws li kev puas tsuaj ntawm lub zos corrosion, xws li corrosion yuav muab faib ua hluav taws xob corrosion, pore corrosion, seam corrosion, intergranular corrosion, hnav corrosion, kev nyuaj siab corrosion, qaug zog corrosion los yog xaiv corrosion.

Lub zos corrosion ntawm tinplate cov kaus poom yog feem ntau yog concentrated nyob rau hauv lub weld cheeb tsam los yog lub expansion nplhaib ntawm lub hauv qab cover ntawm lub tank, uas lub hauv qab corrosion yog lub ntsiab cheeb tsam ntawm corrosion perforation, raws li qhia nyob rau hauv daim duab hauv qab no, qhov chaw ntawm cov dub. uniform corrosion cheeb tsam zoo li corrosion qhov, piv nrog rau cov uniform corrosion cheeb tsam, lub corrosion qhov chaw yog heev me me, yog ib tug raug lub zos corrosion tshwm sim, qhov txuas ntxiv txhim kho corrosion yuav ua rau lub tank corrosion perforation.
Feem ntau, covlub cev-welder thiab coater ntawm Changtai Intelligent rau cov cuab yeej ua tau, Cov khoom siv zoo heev los daws cov teeb meem saum toj no, txais tos los tham nrog changtai Tuam Txhab cov cuab yeej siv tshuab hauv kev daws qhov teeb meem no.