Hauv kev tsim kho cov dej xa dej thiab kev tso dej, hluav taws kub- cov kav dej sib ntaus sib tua, thiab kev txhawb nqa steel qauv, galvanized steel kav yog dav siv. Txawm li cas los xij, cov teeb meem xws li zinc tev, flaking, raug cov hlau hauv paus, thiab cov zinc txheej hauv zos feem ntau tshwm sim. Cov teeb meem no tsis tsuas yog cuam tshuam rau cov tsos, tab sis kuj ua kom lub zog corrosion ntawm cov kav dej steel thiab ua rau lawv lub neej ua haujlwm luv. Yog li dab tsi yog qhov laj thawj tseem ceeb rau zinc tev ntawm galvanized steel kav? Yuav ua li cas thiaj li raug tswj hwm ntawm - qhov chaw thaum muaj xwm ceev? Thiab yuav tiv thaiv nws li cas thaum lub sij hawm tsim kho?
Ua ntej, luv luv qhia ob qhov xwm txheej tseem ceeb:
Zinc poob me ntsis: hauv zos tev los yog me me - thaj chaw los, cov zinc txheej tsuas yog superficially detached, thiab cov yeeb nkab steel substrate tseem zoo lawm.
Zinc poob hnyav: loj- cheeb tsam raug hlau, zinc txheej tev tawm hauv tag nrho daim, nrog rau xeb, thiab txawm pitting tau tshwm sim.
Tom qab ntawd sib piv thiab txheeb xyuas ob qhov xwm txheej:
Zinc poob me ntsis: Qhov no yuav tshwm sim los ntawm kev thauj mus los, siab - vuam kub, kev sib txhuam hauv zos, me me corrosion, thiab lwm yam; nws yog ib qho yooj yim los lis thiab tuaj yeem kho ncaj qha rau ntawm qhov chaw; tom qab kho, qhov kev ua tau zoo qub yog rov qab los.
Zinc poob hnyav: Qhov no tej zaum yuav tshwm sim los ntawm qhov tsis xws luag hauv cov txheej txheem galvanizing, muaj zog acid lossis alkali corrosion, ntev -cov av noo, lossis kev puas tsuaj loj heev; Nws yog qhov nyuaj dua los daws, yuav tsum tau tshem tawm xeb thiab zinc ntxiv, thiab thaum muaj mob hnyav, yuav tsum tau hloov cov yeeb nkab; Tom qab kho, lub neej yuav luv luv thiab yuav tsum tau saib xyuas tsis tu ncua.
Thaum kawg, txheeb xyuas raws li daim ntawv thov scenarios:
Scenario 1: Ib ntus zinc tev tawm ntawm cov pob me me ntawm qhov chaw tsim kho → Siv cov xim txias galvanizing nyob rau hauv cov chaw me me, uas yooj yim rau kev tsim, tsis tshua muaj nqi, thiab tsis cuam tshuam rau lub sijhawm.
Scenario 2: Loj loj- thaj tsam zinc tev ntawm cov pob qij txha → Yuav tsum tau ua ntej grind thiab tshem tawm xeb, tom qab ntawd siv zinc- nplua nuj xim tag nrho, txwv tsis pub xeb feem ntau yuav tsim thiab xau los ntawm vuam seams.
Scenario 3: Zinc peeling nyob rau sab nraum zoov ntev- lub sij hawm humid ib puag ncig → nyiam siv kub-dip galvanized kav, thiab ntxiv ib tug topcoat rau kev tiv thaiv tom qab kev tsim kho los txo cov nqi kho tom qab.
Hauv cov ntsiab lus, lub hauv paus ntsiab lus tseem ceeb rau kev daws cov zinc poob hauv cov kav hlau galvanized yog: rau cov zinc me me, ua qhov chaw kho raws sijhawm; rau zinc poob hnyav, tshem tawm xeb thiab rov ua dua -galvanize. Txhawm rau tiv thaiv qhov teeb meem, qhov tseem ceeb yog tswj peb lub ntsiab lus: ua ntej, qhov zoo ntawm galvanization thaum yuav cov kav dej; thib ob, kev tiv thaiv thaum lub sij hawm thauj mus los thiab kev teeb tsa; thib peb, kho raws sijhawm tom qab vuam. Tsuas yog los ntawm kev tswj hwm tag nrho cov txheej txheem kom zoo tuaj yeem ua lub neej kev pab cuam ntawm cov kav dej galvanized steel kom ntev.
