Dab tsi yog Galvanizing?
Galvanizing, lossis galvanization, yog txheej txheem tsim cov txheej txheem ntawm qhov chaw uas cov xeb siv rau hauv cov xaim xaim hlau lossis hlau los tiv thaiv thiab tiv thaiv xeb. Muaj ntau ntau cov txheej txheem galvanizing muaj, tab sis cov feem ntau muaj thiab siv cov qauv raug hu ua kub-dip galvanizing.
Galvanized steelis ntawm cov nyiam hlau tshaj plaws vim tias nws txoj kev ua kom ntev, muaj lub zog thiab tsim ntawm cov hlau ntxiv rau kev tiv thaiv corrosion ntawm zinc-hlau txheej. Cov zinc tiv thaiv lub hauv paus hlau los ntawm kev ua raws li kev cuam tshuam rau cov ntsiab lus corrosive, thiab qhov xwm txheej ntawm cov xim txheej tau ua rau ntev-ntev thiab zoo ntawm cov khoom hlau.
Qhov no dav ua rau nws siv tau rau ntau txoj haujlwm thiab kev lag luam, suav nrog kev ua liaj ua teb, hnub ci, tsheb, kev tsim kho, thiab lwm yam. Hauv qab no, peb lub hom phiaj muab cov lus piav qhia ntxaws ntawm kev siv galvanized steel ua tiav li cas, kev siv galvanization sib txawv, nws cov txiaj ntsig, thiab nws siv li cas hauv cov kev lag luam no.
Cov kauj ruam hauv cov txheej txheem galvanizing yog li hauv qab no:
Cov hlau txhuam tau muab ntxuav hauv kev ua kom zoo
Tom qab raug ntxuav, cov hlau tau txhaws los ntawm kev txo qis rau hauv vat ntawm diluted kub sulfuric acid
Cov hlau yog thenfluxedin tov nrog cov kua (feem ntau zinc-ammonium chloride)
Tom qab flux, hlau yoggalvanizedlos ntawm kev raus hauv lub vat ntawm molten zinc
Tom qab ntawd, cov hlau raug tshuaj xyuas saib puas xwm yeem thiab ua tiav txheej xim
Dab tsi yog qhov zoo ntawm galvanized steel?
Ntau qhov kev lag luam sib txawv siv galvanized steel feem ntau vim tias nws muaj xws li cov txiaj ntsig zoo rau kev lag luam kom tau txais txiaj ntsig, suav nrog:
Tsawg tus nqi pibpiv rau cov hlau feem ntau kho. Ntxiv rau, galvanized hlau yog npaj tam sim los siv thaum xa tawm. Nws tsis tas yuav tsum tau npaj ntxiv rau saum npoo, tshuaj ntsuam xyuas, pleev xim / pleev xim, thiab lwm yam.
Lub neej ntev zog.Nrog galvanization, ib daim ntawm kev lag luam steel vam tias yuav kav ntev dua 50 xyoo hauv qhov chaw nruab nrab, thiab tuaj yeem kav ntev dua 20 xyoo nrog dej txaus. Tsis muaj kev txij nkawm uas yuav tsum ua. Lub sijhawm ua haujlwm tau ntev ntawm cov hlau ua tiav cov khoom lag luam kuj nce cov khoom lag luam kev ntseeg tau.
Kev txi anodeua kom ntseeg tau tias ib qho kev puas hlau yog tiv thaiv los ntawm kev tiv thaiv zinc txheej. Nws tsis muaj teeb meem yog tias seem steel raug cuam tshuam tag nrho; cov zinc tseem yuav corrode ua ntej. Cov xim yuav corrode nyiam mus rau hlau, tsim kom tsis pub muaj kev tiv thaiv zoo rau cov chaw uas puas ntsoog.
Xeb kujlos ntawm zinc txheej. Cov ntsiab lus ntawm cov hlau hauv cov hlau tsis tshua zoo rau xeb, tab sis qhov txuas ntxiv ntawm zinc ua raws li kev tiv thaiv qhov nruab nrab ntawm cov hlau thiab ib qho dej noo lossis oxygen. Galvanized steel muaj kev tiv thaiv zoo, suav nrog cov ces kaum ntsees thiab thim rov qab uas tsis tuaj yeem tiv thaiv nrog lwm cov txheej txheej, ua rau nws tiv taus kev puas tsuaj.
Cov hau kev sib txawv ntawm galvanizing
Raws li tau hais los saum toj no, muaj ntau cov txheej txheem sib txawv rau cov galvanizing steel.
Kub-Dip Galvanizing
Thawj txoj kev thiab qib thib ob rau galvanization yog kub-dip galvanizing. Cov txheej txheem zoo ib yam li lub npe pom zoo! Hauv cov qauv no, cov hlau los yog cov hlau xaim rau hauv cov pas dej uas muaj kub xeb uas yog xim kub uas tswj kev kub txog ib puag ncig 860 ° F (460 ° C). Chav da dej molten no pib kev sib txuas ntawm cov xim hlau sib txuas ntawm cov zinc thiab txais hlau. Tom qab cov hlau rub tawm hauv da dej, nws hnov mob los tiv thaiv huab cua, thiab cov ntshiab zinc sib tov nrog oxygen kom tsim tau zinc oxide. Cov zinc-oxide ntxiv rau cov pa roj carbon dioxide thiab tsim cov zinc carbonate, uas ua rau cov xim tiv thaiv kawg ntawm cov khoom siv. Cov cim qhia txog cov xim kub uas tsis pom qhov kub yog qhov muaj lub ntsej muag zoo li cov duab ci nyob saum npoo, qee zaum hu ua "spangle."
Qhov kub-dipped galvanizing txoj kev yog qhov kev xaiv pheej yig uas tuaj yeem tua tau sai ntawm ob qho yooj yim thiab cov qauv duab.
Cov khoom siv tshiab coated tuaj yeem ua haujlwm thiab machined hauv kev zoo ib yam li cov ntaub ntawv tsis siv tau. Galvanized steel tuaj yeem siv rau hauv cov ntawv thov kub siab txog 392 ° F, tab sis siv rau hauv qhov kub tshaj li theem ntawd yuav ua rau zinc-carbonate txheej tev tawm.
Galvannealing
Galvannealing yog qhov tshwm sim ntawm kev sib txuas ntawm cov annealing thiab kub-dip galvanizing cov txheej txheem nyob rau hauv thiaj li yuav tsim tshwj xeeb lo rau ntawm cov hlau. Cov txheej txheem ntawm galvanization yog ua los ntawm kub-ntsw thiab instantaneous annealing, uas tsim cov matte grey tiav.
Galvannealed steelis ua cov zinc-iron alloy khoom, qhov twg lub hauv paus hlau yog coated los ntawm txheej txheem kub-dip, tom qab ntawd ua kom sov rau inlo alloying ntawm molten zinc txheej thiab cov hlau. Qhov tiav tiav yog npub matte nto. Galvannealed steel yog qhov zoo rau kev siv vuam vuam thiab saum npoo zoo heev rau cov xim pleev xim.
Uantej-galvanizing
Kuj zoo ib yam li cov kub-dip galvanizing txheej txheem, tab sis ua rau theem thawj theem ntawm kev tsim khoom. Ua ntej-galvanizing yog txheej txheem uas yuav yob cov ntawv hlau los ntawm tus neeg sawv cev tu kom sai sai cov khoom siv rau galvanizing. Tom qab ntawd, cov hlau dhau los ntawm kev tso dej ntawm cov roj ntsha ntawm kua zinc thiab tam sim ntawd tau rov ua dua. Qhov kom zoo dua ntawm qhov qauv no yog qhov coils ntawm cov ntawv hlau tuaj yeem sai sai ntawm cov nplai loj nrog cov txheej txheem sib koom ua ke ntau dua li cov txheej txheem kub-tais.
Electrogalvanizing
Qhov tshwj xeeb tshaj plaws ntawm cov kev qhia ua haujlwm no, electrogalvanizing tsis koom nrog ntsw cov khoom hauv vuas hlau ntawm zinc. Hloov chaw, qhov hluav taws xob tam sim no tau qhia rau cov tshuaj electrolyte uas tau thov rau cov hlau, uas txo cov zoo ices zinc ions rau zinc hlau - uas tom qab ntawd muab tso rau ntawm cov hlau zoo. Zoo li kev npaj ua ntej, qhov txheej txheem no ib txwm tau ua nyob rau thawj theem ntawm kev tsim khoom.
Galvanizing qib siab-lub zog hlau
Yog xav paub ntxiv txog cov txheej txheem galvanization rau qib siab-zog hlau, nrog rau peb tus khub National Galvanizing.
Dab tsi kev lag luam siv galvanized steel?
Galvanized hlau yog siv nyob txhua qhov chaw!
Lub cev ntawm tsheb thiab ntau lub tsheb kauj vab yog tsim los ntawm cov hlau galvanized. Qee qhov dej haus kav dej tseem tau tsim los ntawm cov hlau tsis to taub. Cov ntawv txias npuag hlau kuj tseem nquag txhim kho. Cov txiv ntoo, bolts, cov cuab yeej, thiab cov xov hlau ntawm txhua yam yog tam sim no galvanized vim tias nws yog tus txheej txheem pheej yig, thiab pab txhawm rau txhawb cov hlau lub neej!
Galvanized steel, tshwj xeeb, feem ntau yog dab tsi yog siv hauv cov tsev niaj hnub “steel ncej” tsev. Galvanized steel tseem siv los tsim cov qauv hauv tsev xws li balconies, verandahs, staircases, ntaiv, taug kev, thiab lwm yam. Galvanized hlau yog qhov kev xaiv zoo tshaj plaws yog tias koj tes haujlwm yuav nyob sab nraud tom qab nws tau ua. Ntseej, ru tsev, taug kev sab nraum zoov, cov no yog txhua qhov kev xaiv zoo rau cov hlau galvanized!
Cua& hnub ci kev lag luam - cov haujlwm hnub ci yuav tsum muaj kev ua haujlwm tas mus ib zaug tsim thiab ib qho kev kho / kho ua rau muaj kev cuam tshuam rau kev pabcuam (aka cov nyiaj tau poob). Qhov no txhais tau tias cov hlau nplaum kub uas muaj npe kub tau nrov nyob hauv cov phiaj xwm hnub ci rau lawv txoj kev tiv thaiv kev tiv thaiv. Nws tseem nrov rau nws qhov kev tiv thaiv ib puag ncig 'vim tias nws tsis tsim emissions thiab ua rau ntau caum xyoo yam tsis muaj kev saib xyuas. Piv txwv, feem ntau siv nyob rau hauv kev lag luam thev liaj teb ua lag luam vim tias cov khoom siv tau yooj yim rau qhov yooj yim corroded, tsim kev thov rau cov khoom nruj dua, cov khoom siv dua li qub.Hot-dip galvanized steelprovides corrosion tiv thaiv uas tuaj yeem feem ntau nyob rau ntau caum xyoo, txawm tias thaum raug cov huab cua phem kev ua teb.
Kev lag luam tsheb - Txawm hais tias tsuas yog siv rau ntawm cov qauv khoom kim heev kom txog thaum xyoo 1980s, kev siv lub cev-xeb-lub cev rau lub tsheb tam sim no tus qauv hauv kev pib tsim tsheb. Qhov 'lub cev-hauv-dawb' ntawm lub tsheb ua rau kwv yees li 80% ntawm lub cev, txhua tus siv cov hlau galvanized. Qhov xeb -resistance ntawm galvanized steel tseem yog cov khoom lag luam zoo rau kev lag luam tsheb vim tias nws tuaj yeem muab 'tiv thaiv xeb tiv thaiv' rau cov neeg siv khoom.
Kev tsim kho kev lag luam - Txawm hais tias thaj chaw lossis chaw lag luam, cov kav ntev ntawm cov hlau galvanized tau ua rau nws nrov rau ntau pua xyoo hauv kev tsim kho kev lag luam. Nws kuj tseem xaiv rau kev tsim kho vim nws zoo nkauj; Qhov 'ci ci' uas galvanized steel muab rau nws ua txoj kev xav thiab tseem nrov hauv kev tsim qauv tshiab. Ntxiv thiab, nws tsis yog tsuas yog siv rau cov txheej txheem loj tab sis tej yam xws li fencing, gutters, rails, tubing, ncej, thiab lwm yam.
Kev lag luam sib txuas lus - Xov tooj hauv xov tooj tsis yog ib qho yooj yim txij nkawm, lawv ua haujlwm siab thiab feem ntau nyuaj rau kev ua kom tiav. Kub-galvanized steel tuaj yeem siv rau hauv xov tooj xov tooj thiab cov thawv khoom siv uas ua rau txo qis kev pheej hmoo ntawm kev puas tsuaj thiab xav tau kev saib xyuas txhua lub sijhawm.
Zoo, muaj koj muaj nws! Nrog peb tus khub Heidtman Steel, Lub TebchawsGalvanizing khiav qhov chaw 245,000-xwmfab-taw, uas muaj cov pickling, galvanizing, galvannealing, thiab cov nplais, txhua qhov nyob hauv ib qho chaw, yooj yim rau kev lag luam loj. Qhov sib xyaw ua ke ntawm kev muaj peev xwm muab rau peb cov neeg siv khoom uas tsis muaj kev sib tw ua kom tau raws li qhov kev hloov pauv ntawm cov neeg niaj hnub no.
