Cov paj zinc sawv cev rau qhov morphology ntawm qhov chaw ntawm cov hlau kub-dip ntshiab zinc-coated kauj. Thaum cov hlau strip hla dhau lub lauj kaub zinc, nws qhov chaw yog coated nrog molten zinc. Thaum lub sij hawm lub ntuj solidification ntawm no zinc txheej, nucleation thiab kev loj hlob ntawm zinc crystals ua rau cov zinc paj.
Lo lus "zinc bloom" yog los ntawm cov zinc crystals tag nrho uas muaj cov duab zoo li snowflake. Cov qauv zinc crystal zoo meej tshaj plaws zoo li snowflake lossis hexagonal star shape. Yog li ntawd, cov zinc crystals uas tsim los ntawm kev khov ntawm qhov chaw ntawm daim kab xev thaum lub sijhawm galvanizing kub-dip feem ntau yuav siv cov qauv snowflake lossis hexagonal star shape.
Cov hlau galvanized yog hais txog cov hlau uas tau kho los ntawm kev siv cov txheej txheem kub-dip galvanizing lossis electrogalvanizing, feem ntau muab los ua cov hlau coil. Cov txheej txheem galvanizing cuam tshuam nrog kev sib txuas cov zinc molten rau cov hlau coil kom txhim kho nws txoj kev tiv thaiv corrosion thiab ntev nws lub neej kev pabcuam. Cov khoom siv no pom ntau daim ntawv thov thoob plaws kev tsim kho, cov khoom siv hauv tsev, tsheb, tshuab, thiab lwm yam. Nws txoj kev tiv thaiv corrosion zoo heev, lub zog, thiab kev ua haujlwm ua rau nws tsim nyog rau sab nraum zoov lossis huab cua noo.
Cov yam ntxwv tseem ceeb ntawmgalvanized hlau kaujsuav nrog:
1. Kev Tiv Thaiv Kev Xeb: Cov txheej zinc tiv thaiv cov hlau hauv qab los ntawm kev oxidation thiab corrosion.
2. Kev Ua Haujlwm Tau: Muaj peev xwm txiav, khoov, vuam, thiab ua tiav.
3. Lub zog: Lub zog siab thiab kev tawv ncauj ua rau nws muaj peev xwm tiv taus qee yam kev nyuaj siab thiab kev thauj khoom.
4. Qhov chaw tiav: Qhov chaw du thiab haum rau kev pleev xim thiab txau.
Kev galvanizing paj yog hais txog kev tsim cov paj zinc ntuj ntawm qhov chaw thaum lub sijhawm zinc condensation nyob rau hauv cov xwm txheej txheem. Txawm li cas los xij, galvanizing tsis muaj paj yuav tsum tau tswj cov qib txhuas hauv cov kev cai tshwj xeeb lossis siv cov kev kho mob tshwj xeeb tom qab nws tawm hauv lub lauj kaub zinc kom ua tiav qhov tiav tsis muaj paj. Cov khoom lag luam galvanized kub thaum ntxov yeej ib txwm muaj paj zinc vim muaj cov khoom tsis huv hauv lub dab dej zinc. Yog li ntawd, paj zinc tau ib txwm cuam tshuam nrog galvanizing kub. Nrog rau kev nce qib ntawm kev lag luam tsheb, paj zinc tau dhau los ua teeb meem rau cov kev xav tau txheej txheem ntawm cov ntawv hlau galvanized kub. Tom qab ntawd, los ntawm kev txo cov ntsiab lus txhuas hauv cov zinc ingots thiab zinc molten mus rau theem ntawm kaum tawm ppm (qhov ib lab), peb tau ua tiav cov khoom lag luam uas tsis muaj lossis tsawg kawg nkaus paj zinc.
| Txheej Txheem Txheem | Tus lej txheem. | Hom Spangle | Kev piav qhia | Cov Ntawv Thov / Cov Yam Ntxwv |
|---|---|---|---|---|
| Tus Txheej Txheem European (EN) | EN 10346 | Spangle li niaj zaus(N) | Tsis tas yuav tswj hwm cov txheej txheem khov; tso cai rau ntau qhov ntau thiab tsawg ntawm spangles lossis spangle-free surfaces. | Tus nqi qis, tiv taus corrosion txaus; tsim rau cov ntawv thov nrog cov kev xav tau zoo nkauj tsawg. |
| Me Me Spangle (M) | Cov txheej txheem tswj kev khov kho kom tsim tau cov spangles zoo heev, feem ntau tsis pom rau lub qhov muag liab qab. | Qhov nto du dua; tsim rau kev pleev xim lossis daim ntawv thov uas xav tau qhov zoo dua ntawm qhov chaw. | ||
| Tus Qauv Nyiv Pooj (JIS) | JIS G 3302 | Ib txwm Spangle | Kev faib tawm zoo ib yam li tus qauv EN; tso cai rau cov spangles tsim ntuj tsim. | —— |
| Mini Spangle | Kev tswj hwm kev khov kho kom tsim cov spangles zoo (tsis yooj yim pom rau qhov muag liab qab). | —— | ||
| Tus Qauv Asmeskas (ASTM) | ASTM A653 | Spangle li niaj zaus | Tsis muaj kev tswj hwm qhov khov; tso cai rau cov spangles tsim ntuj tsim ntawm ntau qhov ntau thiab tsawg. | Siv dav hauv cov khoom siv thiab cov ntawv thov kev lag luam dav dav. |
| Me Spangle | Kev tswj hwm kev khov kho kom tsim cov spangles zoo sib xws uas tseem pom tau rau lub qhov muag liab qab. | Muab ib qho tsos zoo sib xws thaum sib npaug tus nqi thiab kev zoo nkauj. | ||
| Xoom Spangle | Kev tswj hwm cov txheej txheem tshwj xeeb ua rau muaj cov spangles me me heev lossis tsis pom (tsis pom qhov muag liab qab). | Nto du, zoo tagnrho rau kev pleev xim, cov ntawv pleev xim ua ntej (coil-coated), thiab cov ntawv thov zoo nkauj. | ||
| Suav Teb Chaws Tus Qauv (GB/T) | GB/T 2518 | Spangle li niaj zaus | Kev faib tawm zoo ib yam li ASTM tus qauv; tso cai rau cov spangles tsim ntuj tsim. | Siv dav, tsim nyog tus nqi, thiab siv tau. |
| Me Spangle | Cov spangles zoo, faib sib npaug zos uas pom tau tab sis me me rau lub qhov muag liab qab. | Sib npaug qhov tsos thiab kev ua tau zoo. | ||
| Xoom Spangle | Tswj los ntawm cov txheej txheem kom tsim tau cov spangles zoo heev, tsis pom ntawm lub qhov muag liab qab. | Feem ntau siv rau hauv cov khoom siv hauv tsev, tsheb, thiab cov hlau uas tau pleev xim ua ntej qhov twg qhov tsos ntawm qhov chaw tseem ceeb heev. |
Cov lag luam uas nyiam cov ntawv galvanized nrog cov paj zinc:
1. Kev tsim khoom lag luam dav dav: Piv txwv li suav nrog cov khoom siv kho tshuab, cov txee, thiab cov khoom siv cia khoom uas qhov zoo nkauj tsis tseem ceeb, nrog rau kev tsom mus rau tus nqi thiab kev tiv thaiv xeb yooj yim.
2. Cov Qauv Tsev: Hauv cov ntawv thov loj uas tsis zoo nkauj xws li cov tsev Hoobkas lossis cov qauv txhawb nqa tsev rau khoom, cov ntawv galvanized zinc-paj muab kev tiv thaiv txaus ntawm tus nqi tsim nyog.
Cov lag luam uas nyiam cov ntawv galvanized uas tsis muaj zinc:
1. Kev Tsim Tsheb: Cov vaj huam sib luag sab nraud thiab cov khoom siv sab hauv xav tau qhov zoo ntawm qhov chaw. Qhov tiav du ntawm cov hlau galvanized uas tsis muaj zinc ua rau cov xim thiab cov txheej pleev xim lo rau, ua kom muaj kev zoo nkauj thiab zoo.
2. Cov Khoom Siv Hauv Tsev Zoo Tshaj Plaws: Cov plhaub sab nraud rau cov tub yees zoo, cua txias, thiab lwm yam, xav tau qhov zoo nkauj thiab tiaj tus kom txhim kho cov qauv khoom thiab pom tus nqi.
3. Kev Lag Luam Hluav Taws Xob: Rau cov khoom siv hluav taws xob thiab cov khoom sab hauv, cov hlau galvanized uas tsis muaj zinc feem ntau raug xaiv los xyuas kom muaj kev coj hluav taws xob zoo thiab kev kho qhov chaw zoo.
4. Kev Lag Luam Khoom Siv Kho Mob: Nrog rau cov kev cai nruj rau qhov zoo ntawm cov khoom nto thiab kev huv, cov hlau galvanized uas tsis muaj zinc ua tau raws li qhov xav tau ntawm kev huv thiab kev du.
Kev Xav Txog Tus Nqi
Cov ntawv hlau galvanized nrog cov paj zinc muaj cov txheej txheem tsim khoom yooj yim dua thiab cov nqi qis dua. Kev tsim cov ntawv hlau galvanized uas tsis muaj zinc feem ntau xav tau kev tswj hwm cov txheej txheem nruj dua, ua rau cov nqi siab dua me ntsis.
Lub sijhawm tshaj tawm: Lub Kaum Hli-05-2025
