Nhwɛsoɔ: 0 Ɔkyerɛwfoɔ: Site Editor Bere a wɔde tintimii: 2025-08-27 Mfiase: Beaeɛ
Afotu: Hwɛ dade foforo a wɔde galvanized ayɛ no mu bere nyinaa sɛ ebia biribiara asɛe anaa. Ɛnyɛ sɛ wo galvanized dade coil no a wobɛhwɛ yiye no ma ɛyɛ fɛ nko na mmom ɛma wo nnwuma a wode bɛyɛ adwuma no kyɛ nso yɛn adwumakuw no.
Dade a wɔde galvanized ayɛ no nsɛe ntɛmntɛm. Eyi te saa efisɛ wɔwɔ zinc a wɔde akata so. Zinc no yɛ adwuma te sɛ kyɛm na ɛma dade no yɛ nea ahobammɔ wom. Zinc a ɛwɔ so no ma nsu ntumi nka
dade a wɔde yɛ adwuma no. Sɛ ade a wɔde kata so no twetwe a, zinc no da so ara boa ma nkannare no gyae. Eyi ma coil no kyɛ. Nneɛma te sɛ mframa a nkyene wom, efĩ, ne wim tebea a ɛyɛ nwini ma nkannare ba ntɛmntɛm. Enti, baabi a wode dade no bedi dwuma no ho hia bere tenten a ɛbɛtra hɔ. Mpɛn pii no, sɛ wohohoro coil ahorow no ho a, ɛboa ma wɔtra hɔ fɛfɛɛfɛ. Sɛ wohwɛ sɛ nneɛma asɛe na wosiesie no ntɛmntɛm a, ɛno nso boa. Zinc a wɔde kata so dodow a ɛfata a wobɛpaw no ho hia. Sɛ wode coil ahorow no sie ɔkwan pa so a, ɛma ɛyɛ nea ahobammɔ wom. Eyi boa ma wɔtra hɔ kyɛ.
Sɛ wubisa sɛ dade a wɔde galvanized ayɛ no yɛ mmerɛw anaa a, wopɛ mmuae a ɛnyɛ den. Dade a wɔde galvanized ayɛ no ko tia nsɛe yiye, nanso ɛda so ara tumi yɛ nkannare. Zinc a wɔde kata so no yɛ adwuma te sɛ kyɛm na ɛma nkannare brɛ ase. Bere kɔ so no, nneɛma te sɛ wim tebea ne nneɛma a asɛe betumi asɛe kyɛm yi. Ɛho hia sɛ wuhu sɛnea galvanizing gyae rust ne nea wobɛhwɛ kwan afi galvanizing coil pa a ɛwɔ mmeae ahorow no mu.
Zinc a wɔde kata galvanized coil so no ma akwanside ba dade ne mframa ntam. Saa akwanside yi ma nsu ne mframa pa a ɛde nkannare ba no nkɔ mu. Sɛ wopaw dade a wɔde zinc akata so a, egyina osu, nsu a ɛtɔ, ne efĩ ano. Galvanizing a wɔde ɔhyew gu mu no kyekyere zinc bata dade ho, enti nea wɔde kata so no kyɛ mfe pii.
Nhwehwɛmu ahorow kyerɛ sɛ sɛ wɔde nneɛma titiriw bi ka ho a, zinc a wɔde kata so no yɛ papa. Saa nneɛma a wɔde ka ho yi ma ade a wɔde kata so no yɛ den na ɛyɛ papa sɛ ebesiw nkannare ano. Sɛ nhwɛso no, sɛ wɔde ceria nanoparticles ne polyaniline ka ho a, ɛboa ma zinc bɔ dade ho ban fi nsɛe ho. Nhwehwɛmu bi sɔɔ dade a wɔde galvanized ayɛ a wɔde yɛ coil hwɛe wɔ po ho mfe anum. Zinc a wɔde kata so a ɛyɛ den no brɛɛ asiane a ɛwɔ hɔ sɛ nkannare kɔkɔɔ ne paint a ɛbɛpaapae no ase, titiriw wɔ anoano. Zinc a ɛwɔ so no yɛ sini na ɛmma oxygen ntumi nkɔ dade so.
Wubetumi ahu sɛnea nneɛma a atwa yɛn ho ahyia sesa bere tenten a galvanized coil di wɔ pon a ɛwɔ ase ha no so:
Atenaeɛ |
Bere a Ɛtaa Ba sɛ Rust bɛda adi |
Nneɛma Titiriw a Ɛfa Nneɛma a Atwa Yɛn Ho Ahyia Ho |
Nsiesiei Ho Nkamfo a Wɔde Ma |
|---|---|---|---|
Abɔnten so Nneɛma a Wɔtaa Yɛ |
Mfe 20 kosi 50 |
Mframa pa, efĩ a ɛba fam |
Hwɛ sɛnea coating thickness mfe 5 biara; lacquer a emu da hɔ a wobetumi apaw |
Mpoano Mpɔtam |
Mfe 5 kosi 15 |
Nkyene a ɛdɔɔso wɔ mframa mu (nkyene a wɔde petepete so) . |
Hwɛ mprenu afe biara (fa w’adwene si welds/edges so); ɛho tew bosome abiɛsa biara |
Mfiridwuma mu Efĩ a Ɛba |
Mfe 10 anaa nea ennu saa |
Efĩ ma zinc no sɛe ntɛmntɛm |
Wɔkamfo kyerɛ sɛ wɔnyɛ nhwehwɛmu mpɛn pii na wonsiesie hɔ |
Hyɛ no nsow: Sɛ wotaa siesie wo galvanized coil no na wohwɛ mu a, ebetumi ama akyɛ. Sɛ woanhwɛ so a, nkannare bɛba ntɛmntɛm, titiriw wɔ mmeae a ɛyɛ den.
Dade a wɔde galvanized ayɛ no tumi di mfe 20 kosi 50 anaa nea ɛboro saa wɔ abɔnten wɔ tebea horow a ɛfata mu. Wɔ mpoano anaa mfiridwuma mmeae no, ɛnkyɛ saa esiane nkyene ne nnuru nti. Quality ne coating thickness ho hia. Zinc a wɔde kata so a ɛyɛ den no bɔ ho ban yiye na ɛtra hɔ kyɛ.
Wɔ abɔnten mmeae a ɛnyɛ den no, dade a wɔde galvanized ayɛ no tumi tra hɔ bɛboro mfe 50 ansa na ayɛ nkannare.
Wɔ mmeae a ɛyɛ den te sɛ mpoano anaa mmeae a wɔyɛ mfiridwuma no, ebetumi adi mfe 20 anaa nea ennu saa.
Dade a wɔde galvanized ayɛ no tumi di mfe 50-100 wɔ mmeae a ɛfata.
Wɔ po so anaa mfiridwuma mmeae no, ɛtra hɔ mfe 20-50 sɛ wɔhwɛ yiye a.
Zinc a wɔde kata so no ma akwanside ne afɔrebɔ ahobammɔ nyinaa fi nkannare ho.
Nnuru, nsu, nneɛma a asɛe, ne nsu a ɛyɛ nwini kɛse ma ɛsɛe ntɛmntɛm.
Mpɛn pii no, dade a wɔde galvanized ayɛ no di mfe 25 kosi 50.
Wɔ mmeae a emu nyɛ den pii no, etumi di mfe 75.
Zinc a wɔde kata so a ɛyɛ den no bɔ ho ban kyɛ.
Nsiesie ne nneɛma foforo a wɔde kata so boa ma ɛtra hɔ kyɛ.
GI coils tumi di mfe 20 kosi 50 anaa nea ɛboro saa wɔ mmeae a ɛfata a ɛnyɛ nea ɛyɛ hyew.
Hwɛ a wɔhwɛ no daa ne nea wɔde kata so no ma ɛtra hɔ kyɛ.
Ebia wubesusuw nea enti a galvanized coil bɔ dade ho ban yiye saa no ho. Nea enti a ɛte saa ne afɔrebɔ ho ahobammɔ afiri no. Zinc nyɛ anuonyam kɛse te sɛ dade, enti edi kan yɛ nkannare. Sɛ zinc a wɔde kata so no yɛ mmerɛw a, zinc asinasin no yɛ adwuma sɛ afɔrebɔ anode. Wɔma dade ɛlɛtrɔnik na esiw dade kwan sɛ ɛnsɛe. Wɔfrɛ eyi sɛ cathodic ahobammɔ.
Sɛ zinc yɛ nkyene a, ɛma zinc oxide ne hydroxycarbonate nkyene. Eyinom yɛ sini a ɛyɛ den a ɛsa ne ho yare wɔ dade so. Saa sini yi siw nsu ne mframa pa ano, na ɛma ahobammɔ kɛse. Zinc a wɔde kata so no nyɛ akwanside ara kwa. Ɛsan yɛ nnuru kyɛm a ɛkyere nneɛma a ɛde nkannare ba na ɛma nkannare brɛ ase.
Wɔ ɔkwan ketewaa bi so no, zinc oxide boa ma ɛlɛtrɔnik ahorow a ɛwɔ zinc ne dade ano no tu. Eyi boa nneyɛe a ɛma dade yɛ nea ahobammɔ wom. Bere a zinc a ɛwɔ mu no resɛe no, ahobammɔ sesa fi cathodic so kɔ akwanside so. Saa afɔrebɔ adeyɛ ne akwanside nsunsuanso afrafra yi ma galvanized coil ahoɔden a ɛko tia nsɛe ne nkwa tenten.
Afotu: Paw galvanized coil a wɔde zinc a ɛyɛ den mpo akata so na ama woabɔ wo ho ban yiye. Mpɛn pii no hwɛ wo coil no mu sɛ ebia nsensanee anaasɛ asɛe na ama afɔrebɔ ahobammɔ akɔ so ayɛ adwuma.
Sɛ wode galvanized coil di dwuma wɔ abɔnten a, wim tebea ho hia kɛse. Sɛ mframa no yɛ nwini yiye a, nsu betumi atra coil no so. Saa nsu yi boa ma nkannare yɛ ntɛmntɛm. Nkyene a efi po mu anaa nsu a nkyene wom betumi apira zinc a ɛwɔ mu no. Eyi ma nkannare da adi ntɛm. Efĩ a ɛwɔ mframa mu, te sɛ sulfur dioxide ne nitrogen oxides, fra nsu mu. Eyinom frafra ma ɛyɛ acid ahorow a ɛpaapae zinc no. Acid osu a ɛtɔ wɔ nkurow akɛse mu nso pira ade a ɛbɔ ho ban no. Moss ne lichen tumi nyin wɔ coil no so. Wɔkura nsuo bɛn dadeɛ no na wɔyɛ nsuo nketenkete. Saa nsensanee yi boa ma rust fi ase.
Nneɛma a ɛtaa ma nkannare ba galvanized coil so ni:
Nsu a ɛyɛ nwini kɛse (boro 60%) .
Nkyene a ɛwɔ mframa anaa nsu mu (mpoano mmeae) .
Mpɛn pii a wɔde nsu anaasɛ wɔde gu nsu mu
Sulfur dioxide a ɛde efĩ ba
Hydrogen sulfide a wɔde hyɛ nipadua mu
Sɛ ɛne alkali a ano yɛ den (semɛnte, plaster) di nkitaho .
Acid osu a ɛsen fa nsu mu
Moss ne lichen a enyin
Nea ɛde ba/Tebea |
Nkyerɛmu |
|---|---|
Mpɔtam a ɛhɔ yɛ nwini na ɛhɔ yɛ toro |
Electrochemical corrosion, rust fitaa esiane nsuo ne mframa a ɛnkɔ yie nti |
Zinc carbonate a ɛpaapae |
Nsu a ɛyɛ nwini bere tenten ma ano aduru a ɛporɔw ba |
Mmeae a nkannare fitaa a emu yɛ den |
Zinc layer a wɔde di dwuma, dade a ɛda adi |
Nnuru a ɛma nneɛma yɛ adwuma |
Nsu, oxygen, CO2, ne oxides ma electrolytic solutions a ɛyɛ hyew ba |
Afotu: Sɛ wote bɛn po anaa kurow bi mu a, mpɛn pii hwɛ wo galvanized coil no. Saa mmeae yi ma nkannare ba ntɛmntɛm na ɛma wo coil no nkwa nna yɛ tiaa.
Honam fam ɔsɛe yɛ ade titiriw foforo nti a nkannare ba galvanized coil so. Sɛ ɛyɛ nsensanee, agyiraehyɛde, anaasɛ sɛ obi tu a ɛnyɛ den a, ebetumi abubu zinc a wɔde akata so no. Sɛ wuhu sɛ biribi asɛe a, dade a ɛwɔ n’ase no abue ama mframa ne nsu. Zinc tumi bɔ nsensanee nketenkete ho ban, nanso ɛnyɛ akɛse. Sɛ akuru kɛse bi asɛe anaasɛ asɛe wɔ baabi a ɛyɛ den a, ɛsɛ sɛ wusiesie. Eyi mma coil no ntumi nsɛe ntɛmntɛm. Ɛsɛ sɛ wohwehwɛ nneɛma a asɛe bere a wode coil no ahyɛ mu akyi ne bere a woreyɛ nhwehwɛmu no. Nneɛma nketenkete mpo betumi ama nsu akɔ mu na afi ase ayɛ nkannare.
Hyɛ no nsow: Yɛ brɛoo wɔ galvanized steel coil ho bere a woretu anaa wode ahyɛ mu no. Fa nhama a ɛyɛ mmerɛw di dwuma na ntwe coil no na ama nsensanee no agyae.
Zinc a wɔde kata so no mu duru ho hia yiye na ama nkannare agyae. Nneɛma a wɔde kata so a ɛyɛ den no ma kyɛm yɛ den na ɛtra hɔ kyɛ wɔ mmeae a ɛyɛ den. Nhwehwɛmu ahorow kyerɛ sɛ zinc a ɛyɛ den no ma zinc ions pii. Saa ions yi boa ma wɔbɔ anoano a wɔatwa ne mmeae a ɛyɛ mmerɛw ho ban. Zinc no yɛ adwuma sɛ kyɛm na ɛma nkannare a ɛwɔ dade no so no brɛ ase.
Aba |
Bɛyɛ sɛ Zinc a Wɔde Kata So no Kɛse (μm) . |
Corrosion Resistance Level a Ɛko Tia Nneɛma |
Nneɛma a Atwa Yɛn Ho Ahyia a Wɔtaa De Di Dwuma |
|---|---|---|---|
G60 |
11.6 |
Kakra |
Nneɛma a atwa yɛn ho ahyia a ɛyɛ mmerɛw sɛ ɛbɛsɛe |
G90 |
16.8 |
Papa |
Adansi ne ɔdan atifi dodow no ara |
G180 na ɛwɔ hɔ |
60 |
Ɛkorɔn yiye |
Nneɛma a atwa yɛn ho ahyia a ɛyɛ hyew kɛse |
G275 na ɛwɔ hɔ |
35.6 |
Soro |
Nneɛma a atwa yɛn ho ahyia a emu yɛ den |
Paw zinc coating thickness a ɛfata wo project ne baabi a wode bedi dwuma. Nneɛma a wɔde kata so a ɛyɛ den no bo yɛ den, nanso ɛbɔ ho ban yiye na ɛtra hɔ kyɛ.
Wo galvanized coil a wobɛhwɛ so yiye no ne ɔkwan a eye sen biara a wobɛfa so asiw galvanized dade no ano na ansɛe na ama ne su akɔ soro. Anamɔn a ɛnyɛ den te sɛ ahotew, nhwehwɛmu, ne nsiesie betumi aboa wo ma woanya sika a wode asie no so mfaso kɛse. Sɛ wosiesie wo ho daa nso a, ɛma wunya sika pii denam nneɛma a ɛho ka yɛ den a wobɛkwati sɛ wode besi ananmu no so.
Anyɛ yiye koraa no, ɛsɛ sɛ wohohoro wo galvanized coil no ho pɛnkoro afe biara. Wɔ mpoano anaa mmeae a mfiridwuma wɔ no, tew ho asram abiɛsa biara. Sɛ wohohoro a, eyi nkyene, mfutuma, ne acid osu a ebetumi asɛe zinc a wɔde kata so no fi hɔ. Fa akwan a ɛyɛ brɛoo fi ase na sɛ ɛho hia a, fa nnuru a ano yɛ den nkutoo di dwuma.
Fa plastic bristle brush a ɛyɛ mmerɛw di dwuma de hohoro nneɛma ho. Kwati dade brɔs a ebetumi asɛe zinc a wɔde akata so no na ayɛ kɔla.
Fa samina a emu nyɛ den anaa nneɛma a wɔde hohoro kar ne nsu a ɛnyɛ den hohoro.
Sɛ wopɛ nkekae a ɛnyɛ den a, fa nnuru a wɔde tew ammonia ho wɔ fie di dwuma. Sɛ wopɛ sɛ nkannare anaa semɛnte a ɛwɔ hɔ a, fa oxalic acid di dwuma, afei hohoro mu yiye.
Fa thinners ne plastic anaa nnua a wɔde twitwiw paint yi paint. Fa nneɛma a ɛnyɛ alkaline strippers di dwuma ma paint a ɛyɛ den.
Bere nyinaa hohoro coil no bere a woahohoro ho awie no na ayi nkae biara a ɛho tew afi hɔ.
Afotu: Di kan sɔ ɔkwan foforo biara a wɔfa so siesie nneɛma hwɛ wɔ baabi ketewaa bi a ahintaw. Eyi boa wo ma woakwati sɛ wobɛsɛe zinc a wɔde akata so no.
Sɛ wohohoro wo galvanized coil no ho daa a, ɛboa ma dade a wɔde galvanized ayɛ no nsɛe na ɛma ne soro yɛ hyew. Ɛbɔ zinc a ɛyɛ ade titiriw a ɛma ɛyɛ papa bere tenten no nso ho ban.
Anyɛ yiye koraa no, ɛsɛ sɛ wohwehwɛ wo galvanized coil no mu pɛnkoro afe biara. Wɔ mmeae a emu yɛ den no, hwɛ mu asram asia biara. Hwehwɛ sɛnkyerɛnne ahorow a edi kan a ɛkyerɛ sɛ nkannare anaasɛ ade a wɔde kata so no asɛe. Fa w’adwene si nsɛntitiriw yi so:
Mmeae a ɛyɛ petee a nsu betumi aboaboa ano.
Edges ne welds, a ɛda adi sɛ ɛbɛsɛe.
Nsonsonoe a wɔde wɔn nsa aka pɛn.
Mmeae a nkekae a ɛyɛ bruu anaasɛ nkannare fitaa wɔ.
Mmeae a ɛda hɔ kwa a zinc a wɔde akata so no nni hɔ.
Mpaapaemu ne ntwea so a nsu ne efĩ betumi ayɛ kɛse.
Mmeae a coil no ka dade afoforo.
Fa magnetic thickness gauge hwɛ sɛnea zinc akata so no. Sɛ wuhu sɛ nsensanee anaa nsensanee nketenkete bi ayɛ mmerɛw a, siesie ntɛm ara:
Fa samina a ɛnyɛ den ne nsuo hohoro beaeɛ hɔ.
Fa kɔbere waya brɔs anaa anhwea krataa a ɛyɛ fɛ yi nkannare.
Fa paint a zinc pii wom anaa zinc a wɔde petepete awɔw mu gu so na ama woasan anya ahobammɔ.
Sɛ wopɛ sɛ wusiesie nneɛma akɛse a, fa urethane a wɔde nsu a ɛyɛ hyew anaa paint a wɔde vinyl ayɛ di dwuma.
Hyɛ no nsow: Sɛ wosiesie no ntɛmntɛm a, ɛma nkannare ntrɛw na ɛboa ma wo galvanized coil no kɔ so yɛ papa.
Nnuru bi betumi asɛe zinc a wɔde kata so no na ama nkannare ayɛ ntɛmntɛm. Ɛsɛ sɛ wokwati:
Nnuru a wɔde yɛ nnɔbae ne turo mu nnuru, a ebetumi atew zinc ahobammɔ so akodu 40%.
Acid a ano yɛ den ne nneɛma a wɔde tew nneɛma ho a ɛyɛ alkaline, a ɛpaapae zinc a ɛwɔ mu no.
Nkyene nsu ne nsu a ɛyɛ nwini kɛse, a ɛma nsu a ɛporɔw no yɛ kɛse.
Acid osu ne mfiridwuma mu efĩ, a ɛsɛe ade a wɔde kata so no ntɛmntɛm.
Kɔbere anaa dade afoforo a ɛka ho, na ebetumi ama galvanic asɛe.
Fa wo galvanized coil no sie baabi a ɛhɔ yɛ kusuu na mframa pa fa mu. Ma ɛnware nnuru ne dade afoforo ho. Sɛ ɛsɛ sɛ wode ade a wɔde tew nneɛma ho di dwuma a, paw nea ahobammɔ wom ma zinc a wɔde kata so, te sɛ acetone anaa aguadi mu nneɛma a wɔasɔ ahwɛ sɛ ɛyɛ dade a wɔde galvanized ayɛ.
Afotu: Sɛ wode nneɛma sie yiye na wode ahwɛyiye siesie no yɛ akwan a ɛnyɛ den a wobɛfa so abɔ wo galvanized coil no ho ban na woatrɛw ne nkwa nna mu.
Sɛ wosiesie no daa a, ɛho ka sua koraa sen sɛ wobɛsesa coil a ayɛ mmerɛw. Ahotew ne nneɛma nketenkete a wosiesie no ma zinc a wɔde kata so no yɛ den na esiw ɔhaw akɛse ano. Sɛ wuhuruw nsiesie a, nkannare betumi asɛe coil no na ahyɛ wo ma woatɔ foforo. Sɛ wode bere ne sika kakra hyɛ nsiesie mu a, ɛboa wo ma wokwati nneɛma a ne bo yɛ den a wode besi ananmu na ɛma wo galvanized steel coil no kɔ so yɛ nea ɛwɔ soro mfe pii.
Beae a wode galvanized coil bedi dwuma no ho hia kɛse. Wɔ nkuraase anaa nkurow akɛse mu no, galvanized coil di mfe pii. Ebia worenhu nkannare bɛboro mfe 70 wɔ mmeae yi. Eyi ba efisɛ mframa no ho tew na nsu kakraa bi na ɛwɔ mframa no mu.
Nanso wɔ baabi a ɛbɛn po no, nneɛma yɛ soronko. Nkyene a ɛwɔ mframa mu no ma nkannare ba ntɛmntɛm. Sɛ coil no hyia mframa a nkyene wom a, nkannare betumi ada adi wɔ mfe 5 kosi 7 mu. Sɛ wɔbɔ coil no ho ban a, ebetumi atra hɔ mfe 15 kosi 25 ansa na nkannare afi ase. Ɛsɛ sɛ wotaa siesie na wohwɛ coil ahorow a ɛbɛn mpoano no. Fa nsu pa hohoro wɔn asram kakraa biara na ama nkyene afi mu. Sɛ wubetumi a, fa nneɛma foforo a wɔde kata so di dwuma. Anyɛ yiye koraa no, hwehwɛ sɛ nkannare anaa nneɛma asɛe mprenu afe biara.
Nneɛma a Atwa Yɛn Ho Ahyia Su |
Sɛ Wɔkyekyem pɛpɛɛpɛ a, Bere a Wɔde Kosi Rust a Edi Kan a Ɛda Hɔ |
Tebea Titiriw ne Nsɛm a Wɔahyɛ no Nsow |
|---|---|---|
Mpoano (ɛwɔ akwansin 1, >250 ft fi mpoano) . |
Mfe 5-7 (wɔde ne ho hyɛ mu tẽẽ) . |
Mframa a nkyene/chloride pii wom a wɔde wɔn ho bɛhyɛ mu tẽẽ; mmeae a wɔabɔ ho ban no di mfe 15-25 sen saa |
Abɔnten (nkuraase, nkurow akyi, po a ɛhɔ yɛ hyew) . |
Mfe du du pii kosi bɛboro mfe 70 |
Nea ɛka nkuraase ne nkurow akyi mmeae a wim tebea nsɛe pii no ho; po mu mmeae a ɛhɔ yɛ hyew ka ho |
Afotu: Sɛ wote bɛn po a, siesie wo coil no na hwɛ mu mpɛn pii. Eyi boa ma ɛtra hɔ kyɛ.
Nnwumayɛbea ne akwan a nnipa pii fa so ma nneɛma yɛ den ma galvanized coil. Wɔde mframa te sɛ sulfur dioxide ne nitrogen oxides gu mframa mu. Saa mframa yi ne osu fra na ɛma osu a ɛyɛ acid tɔ. Osu a acid tɔ no ma zinc a wɔde akata so no brɛ. Wɔ mmeae yi no, galvanized coil di bɛyɛ mfe 20 kosi 40 ansa na nkannare ada adi. Eyi nkyɛ te sɛ nea ɛwɔ mframa a emu tew mu no.
Ɛsɛ sɛ wotaa hwɛ galvanized coil wɔ mmeae a wɔyɛ adwumayɛbea ahorow. Hwehwɛ nkannare fitaa, nkannare kɔkɔɔ, nsensanee, ne nkannare a asɛe. Hohoro coil no ho asram abiɛsa kosi asia biara. Hwɛ yiye wɔ nkwaa, weld, ne mmeae a wonya mfaso kɛse so. Sɛ wubetumi a, fa nneɛma foforo a wɔde kata so di dwuma. Paw zinc a ɛyɛ den a wɔde kata so na ama woabɔ wo ho ban yiye wɔ mmeae a ɛyɛ den.
Hwɛ nneɛma a wɔde akata so asram abiɛsa biara.
Hwɛ nkwaa ɔsram biara sɛ ebia nkannare nni hɔ anaa.
Hwɛ mmeae a wɔde di dwuma kɛse asram abien biara.
Siesie na siesie nneɛma a asɛe bere a wuhu ara pɛ.
Hyɛ no nsow: Sɛ wotaa hwɛ mu na wode zinc a ɛyɛ den di dwuma a, ɛboa ma wo coil no ko tia efĩ na ɛtra hɔ kyɛ.
Ɛtɔ mmere bi a wuhu ade fitaa a ɛyɛ mmerɛw wɔ dade a wɔde galvanized ayɛ so. Wɔfrɛ eyi sɛ nkannare fitaa. Ɛba bere a coil no te mmeae a ɛhɔ yɛ nwini a mframa kakraa bi na ɛwɔ hɔ no. Nkannare fitaa te sɛ powder anaa chalky, na ɛnte sɛ nkannare kɔkɔɔ. Wɔde nneɛma a ɛma zinc nsɛe na ɛyɛ. Ebi ne zinc hydroxide, zinc oxide, ne zinc carbonates. Nsu ne zinc a wɔde akata so no yɛ adwuma ma ɛyɛ saa nneɛma yi. Eyi ba kɛse sɛ mframa ntumi ntwa coil no ho nhyia a. Nkurɔfo nso frɛ no 'storage stain' anaa 'wet storage stain.'
White rust taa tra soro na ɛnpira zinc coating no ahobammɔ. Bere kɔ so no, zinc hydroxide sesa bɛyɛ zinc oxide ne zinc carbonate. Sɛ wugyaw coil no wɔ abɔnten a, mpɛn pii no, nkannare fitaa no fi hɔ bere a ɛdan nneɛma a ɛyɛ den no.
Hyɛ no nsow: White rust kyerɛ sɛ nsu a ɛwɔ mu no akɔkyere zinc a wɔde akata so no so. Ɛyɛ sɛnkyerɛnne a ɛkyerɛ sɛnea wode wo coil no sie na wodi ho dwuma.
Wubetumi asiw nkannare fitaa ano denam nneɛma kakraa bi a ɛnyɛ den a wobɛyɛ so. Fa dade a wɔde galvanized ayɛ no sie mmeae a ɛhɔ yɛ kusuu a mframa pa fa mu bere nyinaa. Mfa wɔn nto fam. Fa spacers di dwuma sɛnea ɛbɛyɛ a mframa betumi akɔ coils ntam. Mfa coil ahorow nhyehyɛ mu nkɔ baabiara dodo. Eyi kyere nsu na ɛboa ma nkannare fitaa ba.
Sɛ woretu coils a, fa nkataso a nsu ntumi nkɔ mu kyekyere ho na bɔ anoano ho ban. Sɛ wuhu sɛ coils a ɛyɛ nsu biara a, ma ɛnyow ntɛmntɛm. Tetew ntama a ɛyɛ nsu mu sɛnea ɛbɛyɛ a mframa betumi adu wɔn nkyɛn.
Mpɛn pii no hwɛ coil ahorow mu na woahu nkannare fitaa ntɛm. Sɛ wuhu a, fa samina a ɛnyɛ den ne nsu hohoro baabi a ɛwɔ no. Sɛ wopɛ mmeae a ɛyɛ den a, fa acid a ɛyɛ mmerɛw di dwuma na hohoro mu yiye.
Fa nneɛma a ɛbɔ wo ho ban te sɛ paint a zinc pii wom, epoxy, anaa powder a wɔde kata so gu so na ama woabɔ wo ho ban kɛse. Sɛ wuhu sɛ nsensanee anaa nsensanee a ɛda hɔ kwa a, fa zinc a wɔde petepete awɔw mu anaa nneɛma a wɔde kata so a zinc pii wom siesie. Fa gauge hwɛ zinc layer no na hwɛ hu sɛ ɛda so ara bɔ ho ban yiye.
Ma coils ntwe nkɔ akyirikyiri fi kɔbere, kɔbere, anaa dade afoforo a ɛma galvanic corrosion ho. Hwɛ sɛ baabi a wɔkora nneɛma no bɛtena ase 60% nsuo. Sɛ ɛsɛ sɛ wode coils sie abɔnten a, fa tarp a nsu ntumi nkɔ so kata so na ma ano biako so ma nsu no nkɔ.
Afotu: Sɛ wode coil sie yiye na woyɛ adwuma ntɛmntɛm ne akwan a eye sen biara a wobɛfa so asiw nkannare fitaa ano na woama wo galvanized steel coil no ayɛ den.
Dade a wɔde galvanized ayɛ no nsɛe ntɛmntɛm. Zinc a wɔde akata so no bɔ dade a ɛwɔ ase no ho ban. Nanso coil biara ntumi nsiw nkannare ano daa. Ɛsɛ sɛ wotaa siesie wo coil no. Siesie biribiara a asɛe no ntɛm na aboa ma zinc no atra hɔ akyɛ. Sɛ wohwɛ so a, wo coil no betumi atra hɔ mfe 20 kosi 50. Sɛ worepaw dade a wɔde galvanized ayɛ a, susuw nneɛma yi ho:
Nneɛma a Atwa Yɛn Ho Ahyia: Mmeae a ɛbɛn po anaa adwumayɛbea ahorow hia ahobammɔ foforo.
Zinc a wɔde kata so no mu duru: Nneɛma a wɔde kata so a ɛyɛ den a efi galvanizing a wɔde nsu gu mu a ɛyɛ hyew mu no kyɛ.
Siesie: Hohoro na hwɛ wo galvanized dade coil no mpɛn pii.
Sɛ wopaw nneɛma pa na wohwɛ wo coil no so yiye a, ebetumi atra hɔ mfe pii.
Wubetumi ahwɛ kwan sɛ dade a wɔde galvanized ayɛ no bɛtra hɔ mfe 20 kosi 50 wɔ abɔnten. Zinc a wɔde kata so a efi galvanizing a wɔde hyew mu no bɔ dade no ho ban. Wɔ mmeae a ɛhɔ yɛ mmerɛw no, ɛtra hɔ kyɛ. Wɔ mpoano anaa mmeae a mfiridwuma wɔ no, ebia wubehu nkannare ntɛm.
Yiw, wubetumi ayɛ adwini wɔ dade a wɔde galvanized ayɛ so. Di kan tew nea ɛwɔ soro no ho. Fa primer a wɔayɛ ama zinc a wɔde kata so di dwuma. Paint boa ma wɔbɔ coil no ho ban na ebetumi ama ne hwɛbea atu mpɔn.
Nkannare fitaa ba bere a nsu kɔhyɛ zinc a wɔde akata so no so no. Eyi taa si bere a wɔde nneɛma sie no. Wubetumi asiw ano denam dade a wɔde galvanized ayɛ a wobɛma ayɛ nwunu na woama mframa adi akɔneaba no so.
Fa samina a ɛnyɛ den ne nsu hohoro akuru no ho. Ma beae no nyow. Fa paint a zinc pii wom anaasɛ galvanizing spray a ɛyɛ nwini gu so. Eyi ma zinc a wɔde akata so no san ba na ɛbɔ dade a ɛwɔ ase no ho ban.
Wubetumi de galvanized steel coil adi dwuma ama nsu nhyehyɛe ahorow bi. Zinc a wɔde akata so no ntumi nsɛe. Nanso, bere nyinaa hwɛ mpɔtam hɔ mmara ne gyinapɛn ahorow ansa na wode adi dwuma de ayɛ nsu a wɔnom.
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