Cov kab galvanizing yog cov khoom siv tsim khoom tshwj xeeb uas tsim los rau cov txheej txheem galvanizing, uas cuam tshuam nrog kev siv ib txheej zinc rau hlau lossis hlau kom tiv thaiv kev xeb. Cov txheej txheem no yog qhov tseem ceeb hauv ntau yam lag luam, suav nrog kev tsim kho, tsheb, thiab kev tsim khoom, qhov twg lub neej ntev thiab kev ruaj khov ntawm cov khoom hlau yog qhov tseem ceeb.Cov kab Galvanizingkoom ua ke ntau yam khoom tseem ceeb, suav nrog cov khoom siv tuav cov khoom siv thiab cov chav rov qab thiab rov ua dua tshiab, kom ntseeg tau tias muaj kev tsim khoom zoo.
Cov txheej txheem galvanizing
Cov txheej txheem galvanizing feem ntau muaj ntau theem, suav nrog kev npaj nto, galvanizing, thiab kev kho tom qab. Txhua theem yog qhov tseem ceeb rau kev ua tiav azinc zootxheej uas lo rau lub substrate thiab muab kev tiv thaiv ntev.
1. Kev Npaj Qhov Chaw: Ua ntej yuav galvanizing hlau lossis hlau, nws yuav tsum tau ntxuav kom huv si kom tshem tawm cov khoom tsis huv xws li xeb, roj lossis av. Qhov no feem ntau ua tiav los ntawm kev sib xyaw ua ke ntawm kev ntxuav tshuab thiab kev kho tshuaj, suav nrog kev pickling hauv cov kua qaub. Lub hom phiaj yog los tsim kom muaj qhov chaw huv si kom zoo tshaj plaws rau kev nplaum ntawm cov txheej zinc.
2. Kev Ua Kub Galvanizing: Thaum npaj qhov chaw lawm, cov hlau yuav raug muab tso rau hauv ib lub dab dej uas muaj cov zinc yaj, feem ntau yuav kub txog li 450°C (842°F). Cov zinc ua rau cov hlau sib xyaw nrog cov hlau hauv cov hlau los ua ib txheej ntawm cov zinc-hlau sib xyaw, uas tom qab ntawd raug npog nrog ib txheej ntawm cov zinc ntshiab. Nws yog qhov kev sib txuas ntawm cov hlau no uas ua rau cov hlau galvanized nws txoj kev tiv thaiv xeb zoo heev.
3. Kev kho tom qab: Tom qab galvanizing, cov khoom coated yuav dhau los ntawm ntau yam txheej txheem tom qab kev kho, xws li quenching lossis passivation, los txhim kho kev ua haujlwm ntawm cov zinc txheej. Cov kev kho no tuaj yeem txhim kho qhov tsos ntawm qhov chaw galvanized thiab txhim kho nws txoj kev tiv thaiv corrosion.
Lub luag haujlwm ntawm cov khoom siv tuav cov ntaub ntawv
Cov khoom siv tuav cov khoom siv ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm zoo thiab kev ua haujlwm ntawm cov kab galvanizing. Cov khoom siv no yog lub luag haujlwm rau kev txav mus los, kev khaws cia thiab kev tswj hwm cov khoom siv thoob plaws hauv cov txheej txheem galvanizing. Cov hom tseem ceeb ntawmcov khoom siv thauj khoomsiv rau hauv cov kab galvanizing suav nrog:
1. Cov tshuab xa khoom: Cov tshuab no txav cov khoom hlau mus rau ntau theem ntawm cov txheej txheem galvanizing, txij li kev npaj nto mus rau lub tank galvanizing. Cov tshuab xa khoom tsis siv neeg tuaj yeem txo cov nqi zog ua haujlwm thiab ua kom ceev ntau lawm.
2. Crane thiab Hoist: Rau cov khoom loj dua lossis hnyav dua, cranes thiab hoists yog qhov tseem ceeb rau kev nqa thiab tso cov khoom hauv kab galvanizing. Cov kab ke no ua kom cov khoom raug tso rau hauv cov thoob galvanizing thiab lwm qhov chaw ua haujlwm kom muaj kev nyab xeeb thiab raug.
3. Cov Txee Cia Khoom: Kev khaws cov khoom siv raw thiab cov khoom tiav lawm kom zoo yog qhov tseem ceeb rau kev tswj hwm ib puag ncig kev tsim khoom kom zoo thiab ua haujlwm tau zoo. Cov txee cia khoom pab ua kom qhov chaw zoo tshaj plaws thiab xyuas kom meej tias cov khoom siv tau yooj yim thaum xav tau.
Flux rov qab thiab rov tsim khoom siv
Cov chav rov qab thiab rov ua dua tshiab ntawm cov kua nplaum yog ib feem tseem ceeb ntawm cov kab galvanizing niaj hnub no. Cov kua nplaum yog ib qho tshuaj siv thaum lub sijhawm galvanizing los txhim kho qhov zoo ntawm cov txheej zinc. Nws pab tiv thaiv kev oxidation ntawm cov hlau thiab txhawb kev nplaum zoo dua ntawm cov zinc. Txawm li cas los xij, cov kua nplaum tuaj yeem ua rau muaj kuab paug dhau sijhawm, ua rau kev ua haujlwm txo qis thiab cov nqi nce ntxiv.
Cov tshuaj refluxes daws teeb meemqhov teeb meem no los ntawm kev ntxuav thiab rov ua kom cov kua dej rov qab zoo li qub. Cov txheej txheem no muaj ntau kauj ruam:
1. Kev lim dej: Lim cov dej uas muaj kuab paug kom tshem tawm cov khoom tsis huv thiab cov khoom me me uas yuav cuam tshuam rau qhov zoo ntawm cov txheej txheem galvanizing.
2. Kev Kho Mob Tshuaj: Cov kua dej uas lim tau tuaj yeem kho nrog tshuaj kom rov qab tau nws cov yam ntxwv thiab kev ua haujlwm zoo. Qhov no yuav suav nrog kev ntxiv cov tshuaj tshwj xeeb los kho qhov sib npaug ntawm cov kua dej.
3. Kev Siv Dua: Cov kua dej uas tau ua tiav lawm tuaj yeem siv dua thiab rov siv dua hauv cov txheej txheem galvanizing, txo cov khib nyiab thiab txo cov nqi khiav lag luam. Qhov no tsis yog tsuas yog txhim kho kev ua haujlwm ntawm cov kab galvanizing xwb, tab sis kuj pab ua tiav cov txheej txheem tsim khoom ruaj khov dua.
Hauv kev xaus, cov kab galvanizing yog cov chaw nyuaj thiab tseem ceeb rau kev tsim cov khoom siv hlau galvanized. Kev koom ua ke ntawmcov khoom siv thauj khoomNrog rau cov chav rov qab los ntawm cov kua dej thiab cov chav rov ua dua tshiab, nws ua rau kev ua haujlwm zoo dua, zoo dua thiab ruaj khov ntawm cov txheej txheem galvanizing. Raws li kev thov ntawm kev lag luam rau cov khoom siv ruaj khov thiab tiv taus xeb txuas ntxiv mus, qhov tseem ceeb ntawm cov kab galvanizing siab heev tsuas yog yuav nce ntxiv, ua rau lawv yog ib feem tseem ceeb ntawm kev tsim khoom niaj hnub.
Lub sijhawm tshaj tawm: Lub Kaum Ob Hlis-16-2024