1. Juriyar Tsatsa Mai Girma
Babban burin yin amfani da galvanization shine a dakatar da tsatsa a kan hanya—kuma a nan ne ake samun sinadarin zinc oxide a kan ƙarfe mai galvanized. Ga yadda yake aiki: murfin zinc yana lalacewa da farko, yana ɗaukar bugun don haka ƙarfen da ke ƙasa ya ci gaba da kasancewa cikin tsari na dogon lokaci. Ba tare da wannan garkuwar zinc ba, ƙarfe zai fi saurin yin tsatsa, kuma fallasa ga ruwan sama, danshi, ko wasu abubuwa na halitta zai hanzarta ruɓewa.
2. Tsawaita Rayuwa
Wannan tsawon rai ya samo asali ne kai tsaye daga rufin kariya. Bincike ya nuna cewa, a cikin yanayi na yau da kullun, ƙarfe mai galvanized da ake amfani da shi a masana'antu na iya ɗaukar tsawon shekaru 50. Ko da a cikin yanayi mai tsananin lalata - yi tunanin wurare masu ruwa ko danshi mai yawa - har yanzu yana iya ɗaukar shekaru 20 ko fiye.
3. Ingantaccen Kayan kwalliya
Mutane da yawa sun yarda cewa ƙarfe mai galvanized yana da kamanni mafi kyau fiye da sauran ƙarfe masu ƙarfe. Fuskar sa tana da haske da tsafta, wanda hakan ke ba ta kamanni mai kyau.
Inda ake Amfani da Karfe Mai Galvanized
Ana iya amfani da hanyoyi daban-daban don yin galvanizing:
2. Yin amfani da wutar lantarki
3. Yaɗuwar sinadarin zinc
4. Feshin ƙarfe
An yi amfani da galvanized mai zafi
A lokacin aikin galvanization, ana nutsar da ƙarfen a cikin baho mai narke zinc. Galvanizing mai zafi (HDG) ya ƙunshi matakai uku na asali: shirya saman, galvanization, da dubawa.
Shiri na Fuskar
A tsarin shirya saman, ana aika ƙarfen da aka riga aka ƙera don yin galvanization kuma yana ɗaukar matakai uku na tsaftacewa: rage mai, wanke acid, da kuma fluxing. Ba tare da wannan tsarin tsaftacewa ba, galvanization ba zai iya ci gaba ba saboda zinc ba zai yi aiki da ƙarfe mara tsarki ba.
Galvanizing
Bayan an kammala shirya saman, ana nutsar da ƙarfen a cikin sinadarin zinc mai narkewa kashi 98% a zafin 830°F. Kusurwar da aka nutsar da ƙarfen a cikin tukunya ya kamata ta bar iska ta fita daga siffofi masu siffar bututu ko wasu aljihu. Wannan kuma yana ba da damar zinc ta ratsa ta cikin jikin ƙarfe gaba ɗaya. Ta wannan hanyar, zinc ɗin ya haɗu da ƙarfe gaba ɗaya. Ƙarfe da ke cikin ƙarfen ya fara amsawa da zinc, yana samar da wani shafi na ƙarfe mai kama da zinc da ƙarfe. A gefen waje, ana ajiye wani shafi mai tsarki na zinc.
Dubawa
Mataki na ƙarshe shine a duba murfin. Ana gudanar da duba gani don duba duk wani yanki da ba a rufe shi ba a jikin ƙarfen, domin murfin ba zai manne da ƙarfe mara tsabta ba. Haka kuma ana iya amfani da ma'aunin kauri na maganadisu don tantance kauri na murfin.
2 Na'urar lantarki mai amfani da wutar lantarki
Ana samar da ƙarfe mai amfani da wutar lantarki ta hanyar amfani da na'urar lantarki. A cikin wannan tsari, ana nutsar da ƙarfen a cikin baho na zinc, kuma ana wucewa da wutar lantarki ta cikinsa. Wannan tsari kuma ana kiransa da na'urar lantarki.
Kafin a fara aikin electrogalvanizing, dole ne a tsaftace ƙarfen. A nan, zinc yana aiki azaman anode don kare ƙarfen. Don electrolysis, ana amfani da zinc sulfate ko zinc cyanide azaman electrolyte, yayin da cathode ke kare ƙarfen daga tsatsa. Wannan electrolyte yana sa zinc ya kasance akan saman ƙarfe a matsayin shafi. Tsawon lokacin da aka nutsar da ƙarfen a cikin baho na zinc, haka murfin zai yi kauri.
Domin inganta juriyar tsatsa, wasu shafan da aka yi amfani da su wajen canza launi suna da matuƙar tasiri. Wannan tsari yana samar da ƙarin Layer na zinc da chromium hydroxides, wanda ke haifar da launin shuɗi a saman ƙarfe.
3 Shigar da Sintiki
Rufin zinc ya ƙunshi ƙirƙirar murfin zinc a saman ƙarfe ko ƙarfe don hana tsatsa ta ƙarfe.
A cikin wannan tsari, ana sanya ƙarfe a cikin akwati mai zinc, wanda daga nan ake rufe shi kuma a dumama shi zuwa zafin da ke ƙasa da wurin narkewar zinc. Sakamakon wannan amsawar shine ƙirƙirar ƙarfe mai ƙarfe da zinc, tare da wani Layer mai ƙarfi na waje na zinc mai tsarki wanda ke manne da saman ƙarfe kuma yana ba da juriya ga tsatsa. Wannan murfin kuma yana sauƙaƙa manne fenti mafi kyau a saman.
Ga ƙananan abubuwa na ƙarfe, yin amfani da zinc plating shine hanya mafi kyau. Wannan tsari ya dace musamman ga sassan ƙarfe marasa tsari, domin saman saman zai iya bin tsarin ƙarfen tushe cikin sauƙi.
Feshi na ƙarfe 4
A cikin aikin fesa ƙarfe na zinc plating, ana fesa barbashin zinc mai narkewa ta hanyar lantarki ko kuma wanda aka yi masa atom a saman ƙarfe. Ana yin wannan aikin ta amfani da bindiga mai fesawa da hannu ko kuma harshen wuta na musamman.
Kafin a shafa fenti na zinc, dole ne a cire duk wani gurɓataccen abu, kamar fenti na saman da ba a so, mai, da tsatsa. Bayan an kammala aikin tsaftacewa, ana fesa barbashin zinc mai narkewa a saman da ba a so, inda suke tauri.
Wannan hanyar fesawa ta ƙarfe ita ce mafi dacewa don hana barewa da fashewa, amma ba ta dace ba don samar da juriya ga tsatsa.
Har yaushe rufin zinc zai daɗe?
Dangane da dorewa, yawanci ya dogara ne akan kauri na murfin zinc, da kuma wasu abubuwa kamar nau'in muhalli, nau'in murfin zinc da aka yi amfani da shi, da kuma ingancin fenti ko fentin feshi. Mafi kauri na murfin zinc, haka nan tsawon rayuwarsa zai daɗe.
Yin amfani da galvanizing mai zafi ko kuma yin amfani da galvanizing mai sanyiRufin da aka yi da hot-dip galvanized gabaɗaya ya fi ɗorewa fiye da rufi mai sanyi saboda yawanci yana da kauri kuma ya fi ƙarfi. Rufin da aka yi da hot-dip ya ƙunshi nutsar da ƙarfe a cikin zinc mai narkewa, yayin da a cikin hanyar coloring mai sanyi, ana fesa ko goge shi a kan layi ɗaya ko biyu.
Dangane da dorewa, rufin da aka yi da hot-dimension na iya ɗaukar fiye da shekaru 50 ba tare da la'akari da yanayin muhalli ba. Sabanin haka, rufin da aka yi da hot-dimming yawanci yana ɗaukar watanni zuwa shekaru kaɗan ne kawai, ya danganta da kauri na rufin.
Bugu da ƙari, a cikin yanayi mai yawan lalata kamar wuraren masana'antu, tsawon rayuwar rufin zinc na iya zama iyakance. Saboda haka, zaɓar rufin zinc mai inganci da kuma kiyaye su na dogon lokaci yana da mahimmanci don haɓaka kariya daga tsatsa, lalacewa, da tsatsa.
Lokacin Saƙo: Agusta-12-2025
