Wakambozvibvunza here kuti nei zvimwe zvivakwa zvesimbi zvichiramba zvisina ngura kwemakumi emakore? Chakavanzika chiri mukukurudzira. Galvanized Simbi inoratidzira inodzivirira zinc coating inochengetedza kubva mukuora. Kunzwisisa kukosha kwe galvanization kwakakosha kune maindasitiri anovimba nezvinhu zvinogara kwenguva refu. Mune ino positi, iwe uchadzidza kuti simbi inogadzirwa sei, kuramba kwayo ngura, uye zvinhu zvinokanganisa hupenyu hwayo.
Magadzirirwo eSimbi Yakagadzirwa
Maitiro ekupisa-Dip Galvanization
Simbi yakabatiswa inowana inodzivirira zinc coating kuburikidza nenzira inonzi hot-dip galvanization. Kutanga, simbi yacho inocheneswa zvakakwana kubvisa tsvina, mafuta, uye ngura. Zvadaro, inonyudzwa mubhavhu rezingi rakanyungudutswa richidziiswa kusvika ku450°C (842°F). Kunyudzwa uku kunobvumira zingi kuti ibatane zvakasimba nepamusoro pesimbi, ichigadzira jasi rakasimba rinodzivirira simbi kuti isaora.
Zinc yakanyungudutswa inopindirana nesimbi kugadzira zvidimbu zvakati wandei zvezinc-iron alloy. Sezvo simbi inotonhora, dhizaini yezinc yakachena inoumbwa pamusoro, ichipa iyo yakajairika inopenya kana matte kupera. Iyi nzira inovimbisa kuti zinc coating yakakora uye yunifomu, ichipa yakanakisa dziviriro kubva kune ngura.
Kemikari Bonding yeZinc uye Simbi
Kusiyana nependi yakapfava inogara pamusoro, inopisa-dip galvanization inogadzira chisungo chesimbi pakati pe zinc nesimbi. Ichi chisungo chinoumba zvidimbu zvakasiyana apo zinc nemaatomu esimbi zvinosanganiswa, zvichigadzira nzvimbo itsva yakasanganiswa. Iyi kemikari fusion inoita kuti zinc yekupfeka inyatso kuomerera uye yakasimba.
Chinhu chakakosha chechisungo ichi kugona kuzvirapa. Kana nzvimbo yemarara ikakweshwa kana kukuvadzwa, zinc inodya zviri nani, ichizvipira kudzivirira simbi iri pasi. Kuora kwechibayiro uku kunodzivirira kuita ngura pasimbi, ichiwedzera hupenyu hwezvinhu zvakanyanya.
Kuenzanisa nedzimwe Nzira dzekupfekedza
Galvanization inomira kunze ichienzaniswa nemamwe machira ekudzivirira senge pendi kana electroplating. Pendi inoshanda sechidziviso asi haibatanidzi kemikemikari uye inogona kupfava kana kupepeta, ichiisa pachena simbi kuita ngura. Electroplating inoisa zinc layer yakatetepa uchishandisa magetsi asi kazhinji inoguma nekutetepa, kushoma kusimba.
Kupisa-dip galvanization inoburitsa yakakora, yakawedzera kusimba coating, inowanzogara makumi emakore pasina kugadzirisa. Izvi zvinoita kuti ive yakanakira zvivakwa zvekunze, zvivakwa, uye nharaunda uko kupokana nekuora kwakakosha. Uyezve, simbi yakabatiswa kazhinji inodhura zvishoma nekufamba kwenguva nekuda kwekuderera kwekugadzirisa uye kutsiva zvinodiwa.
Zano: Pamapurojekiti anoda kuonda kwekuora, sarudza simbi inopisa-inonyudza pamusoro pesimbi yakapendwa kana yemagetsi kuti ubatsirwe kubva mukukora kwayo, kuzvirapa kwe zingi.
Ko Galvanized Steel Rust?
Kunzwisisa Rust uye Corrosion
Ngura imhando yecorrosion inobata iron nesimbi kana zvasangana neoxygen uye mwando. Inogadzira iron oxide, chinhu chinoputika chinosvuuka, chichiburitsa simbi nyowani pasi. Kutenderera uku kunoenderera mberi, zvichiita kuti simbi iparare. Simbi ine galvanized, zvisinei, ine zinc coating inoshanda senhoo. Zinc oxidizes zvakasiyana; inoumba chidziviriro chezinc oxide, iyo inobva yashandura kune zinc carbonate muhupo hwehunyoro. Iyi patina yakasvibira yegrey haina kunyungudika nemvura uye inovharira imwe corrosion. Saka, nepo simbi yenguva dzose ichiita ngura nokukurumidza, marata anodzivisa ngura kwenguva refu nokuti zingi inodzivirira pamusoro nesimbi iri pasi.
Mamiriro Ekuti Simbi Yakagadzirwa Inogona Kuita Ngura
Simbi ine galvanized haina kudzivirirwa zvachose kune ngura. Iyo zinc layer inogona kupera nekufamba kwenguva, kunyanya pasi pemamiriro akaomarara. Zvinhu zvinogona kukonzera ngura zvinosanganisira:
High Humidity: Nzvimbo dzine hunyoro hunopfuura 60% inomhanyisa zinc corrosion.
Munyu Kuratidzwa: Mhepo yegungwa kana yegungwa ine sodium chloride, iyo inomhanyisa kuparara kwe zinc layer.
Kakawanda Kunyorova: Kunyorova nguva dzose, senge mukugezesa mota kana kunyorova kwemamiriro ekunze, kunogona kushatisa kupfeka.
Kusvibisa: Zvinosvibisa zvemaindasitiri zvakaita sesulfur dioxide nehydrogen sulfide zvinoparadza zinc nekukurumidza.
Alkaline Substances: Zvishandiso zvakaita sesimende nepurasita zvine ma chlorides nemasarufate anorwisa zinc.
Biological Kukura: Moss uye lichen zvinochengeta mwando, zvichikurudzira kuparara kwenzvimbo.
Kana zinc yekuputira yakatetepa kana kukweshwa, simbi yakaburitswa inogona kutanga kuita ngura. Nekudaro, chibairo chezinc chinoreva kuti chinotanga kuora, kuchengetedza simbi kusvika zinc yanyanya kudyiwa.
Kugara kwenguva refu kweGalvanized Steel
Pasinei nekupedzisira zinc kupfeka, galvanized simbi inogara kureba kupfuura uncoated simbi. Hupenyu hwesevhisi hwemazuva ese hunotangira pamakore makumi maviri kusvika makumi mashanu mumamiriro ekunze ekunze. Munharaunda dzemahombekombe kana mumaindasitiri, inogona kugara makore mashanu kusvika ku15 ngura isati yaoneka. Ukobvu hwekuputira zinc uye kuratidzwa kwezvakatipoteredza zvinonyanya kuona hupenyu hurefu.
Iyo yekuzviporesa pfuma ye zinc yakakosha. Kana pamusoro pacho pakakwangwa, zinc inoora zviri nani, ichivhara simbi iri pachena uye kudzivirira ngura kupararira. Kudzivirirwa kwechibairo uku kunowedzera hupenyu hwesimbi zvakanyanya.
Kuchengetawo kunoita basa rinokosha. Kugara uchichenesa kubvisa munyu, tsvina, uye zvinosvibisa zvinoderedza kunwa zinc. Kuongorora kwekugadzirisa mavanga kana nzvimbo dzakakuvadzwa kunobatsira kuchengetedza chipingamupinyi chekudzivirira.
Muchidimbu, simbi yakakoshwa inogona kuita ngura, asi chete pasi pemamiriro chaiwo uye kazhinji mushure memakore mazhinji. Yayo zinc coating inopa yakasimba, kuchengetedzwa kwekugara kwenguva refu, zvichiita kuti ive sarudzo yakavimbika yekudzivirira kusimba.
Zvinhu Zvinokanganisa Ngura paGaratiya Simbi
Environmental Conditions
Mamiriro ezvinhu anoita basa guru pakuti simbi yemarara inogona kuita ngura nokukurumidza sei. High humidity mwero, kunyanya pamusoro pe60%, inomhanyisa zinc corrosion. Nzvimbo dzemumhenderekedzo yegungwa dzakaomarara pasimbi dzine galvanized nekuti munyu uri mumhepo nemvura unomhanyisa kupfeka zinc layer. Nzvimbo dzemaindasitiri dzinounzawo matambudziko nekuda kwemagasi ane acidic uye zvinosvibisa zvakaita sesarufa dioxide, iyo inodya pazinc yekuputira nekukurumidza kupfuura zvakajairwa.
Tembiricha ine basa zvakare. Nepo tembiricha yakaderera isingakuvadze simbi, tembiricha yepamusoro yakasanganiswa nehunyoro kana kusvibiswa kunogona kukurumidza kuita ngura. Ivhu mamiriro kukanganisa akavigwa galvanized simbi; ivhu rakanyorova, rine madhaka rinowanzokonzera kukurumidza kuparara kwezinc pane yakaoma, ivhu rejecha.
Mhedzisiro yeZinc Coating Ukobvu
Ukobvu hwezinc layer ndicho chinhu chakakosha mukudzivirira ngura. Makobvu akakora anopa dziviriro yakareba nekutora nguva yakawanda kusakara. Semuenzaniso, jaketi rakatenderedza 85 microns rinogona kugara makore makumi maviri kusvika makumi mashanu munzvimbo dzakajairwa dzekunze. Munzvimbo dzakaoma senge nzvimbo dzemahombekombe kana maindasitiri, machira akakora (anopfuura 100 microns) anokurudzirwa kuwedzera hupenyu hwesevhisi.
Sezvo iyo zinc coating inopera, simbi iri pasi inova panjodzi. Iyo zinc inoshanda sechibairo chirairo, chinoora kutanga kuchengetedza simbi. Kana zinc yanyanya kupera, ngura inogona kutanga kuumba pamusoro pesimbi. Saka, kusarudza iyo yakakodzera coating ukobvu zvichienderana nekuratidzwa kwezvakatipoteredza kwakakosha.
Basa reKukuvadza KweMichina
Mechanical kukuvadzwa senge makwara, dents, kana machipisi anogona kukanganisa zinc coating. Aya mabhureki anoburitsa simbi iri pasi, achibvumira mwando uye oxygen kuti isvike pairi. Nepo zinc yekuzviporesa pfuma ichibatsira kuchengetedza nzvimbo diki dzakakuvadzwa nekuora zvakanyanya, kukuvara kukuru kana kwakadzika kunoderedza dziviriro iyi.
Nzvimbo dzinenge dzakuvadzwa dzinogona kuita ngura kana dzisina kugadzirwa. Kuongorora nguva dzose kunobatsira kuona idzi nzvimbo dzisina simba kare. Kugadzirisa zvikweshwa nependi ine zinc-rich kana marayiti anononoka kukora uye anowedzera hupenyu hwesimbi.
Kugadziriswa kweGalvanized Simbi
Maitiro Ekuchenesa Nguva Dzose
Kuchengetedza simbi yemarara kunotanga nekuchenesa nguva dzose. Tsvina, munyu, uye zvinosvibisa zvinogona kukwira pamusoro uye nekukasika kupfeka zinc. Kuchenesa kunobvisa aya madhipoziti anokuvadza, kubatsira zinc layer igare kwenguva refu. Shandisa sipo yakapfava nemvura nebhurasho rakapfava kana jira kukwesha simbi zvinyoro nyoro. Dzivisa makemikari ane hasha kana acidic cleaners, sezvo anogona kukuvadza zinc. Shamba zvakanaka uye woomesa pamusoro kudzivirira makwapa emvura kana masara. Munzvimbo dzemahombekombe kana maindasitiri, wedzera kuchenesa frequency kusvika kukota kana pamwedzi kurwisa munyu uye kusvibisa kuvaka. Kugara kucheneswa kunononoka kuita ngura uye kunoita kuti simbi yemarara irambe ichitaridzika zvakanaka.
Kuongorora uye Kugadzirisa Techniques
Kuongororwa nguva nenguva kwakakosha. Tarisa uone zvikwambo, machipisi, kana dents uko zinc yekupfeka inogona kukanganisa. Aya mavara anoisa pachena simbi kune unyoro uye oksijeni, kutanga ngura. Nyatsotarisa ma welds, micheto, uye majoini, sezvo nzvimbo idzi dzinowanzo kanganisa ma mechanical. Shandisa geji yekuvharisa ukobvu kuyera zinc ukobvu uye kuona mavara matete. Pakukuvadzwa kudiki, isa pendi ine zinc-rich kana komisheni inotonhora yekuisa galvanizing kuti udzorere dziviriro. Kuti uwedzere kuora kwakawedzera, funga kugadzirisa kana kugadzirisa zvakare. Kugadzirisa nekukasira kunodzivirira nyaya diki kubva pakuita zvinodhura zvinotsiva.
Kudzivirira Matanho Ekudzivirira Ngura
Kudzivirira kuri nani pane kurapa. Isai ma lacquers ekudzivirira akajeka kana zvisimbiso pamusoro pesimbi yakabatiswa kuti uwedzere kudzivirira, kunyanya munzvimbo dzakaoma. Dzivisa kusangana kwakananga pakati pesimbi yakakwenenzverwa uye zvinhu zvine alkaline zvakanyanya semendi nyowani, inogona kukanganisa zinc nekukurumidza. Dhizaina zvimiro kudzivirira kusangana kwemvura kana kuteya unyoro kurwisa simbi. Iva nechokwadi chekuyerera kwakanaka uye kufefetedza kwakatenderedza zvinhu zvesimbi. Paunenge uchibata kana kuisa, kuderedza kukwenya nekushandisa magirovhosi ekudzivirira uye maturusi akangwarira. Chekupedzisira, ronga macheki ekugadzirisa, kunyanya mushure memamiriro ekunze akaoma kana kukanganisika.
Zvishandiso zveGalvanized Steel
Inoshandiswa Mukuvaka uye Infrastructure
Simbi yegalvanized inoshandiswa zvakanyanya mukuvaka uye zvivakwa nekuda kwekunaka kwayo kuita ngura uye kusimba. Inoonekwa mumadziro ezvimiro, denga, uye mapaneru emadziro. Mabhiriji uye migwagwa mikuru inochengetedzwa zvakare inovimba nesimbi yakabatiswa kuchengetedzwa kwenguva refu kubva kumamiriro ekunze nekupfeka. Kugona kwayo kumira kunze kwekunze kwakaomarara pasina kugadzirisa nguva nenguva kunoita kuti ive sarudzo yakasarudzika yemapurojekiti aya. Semuenzaniso, matanda esimbi akaputirwa nezingi anogona kutsungirira makumi emakore ekusangana nemvura nemhepo, zvichideredza mutengo wekugadzirisa uye kuderera.
Zvakanakira Zvekurima Zvirongwa
Mukurima, galvanized simbi yakakosha pamidziyo, fenzi, uye nzvimbo dzekuchengetera. Inodzivisa ngura inokonzerwa nehunyoro, fetereza, uye tsvina yemhuka, izvo zvinogona kukurumidza kukanganisa simbi isina kugadzirwa. Magedhi epurazi uye makorari akagadzirwa nerata anoramba akasimba uye asina ngura kwenguva refu, achivimbisa kuchengeteka uye kuderedza kutsiva frequency. Pamusoro pezvo, galvanized silos uye matura anochengetedza zvirimwa zvakachengetwa nemichina kubva mukukuvadzwa kwezvakatipoteredza. Kugona kwayo kusanganiswa nekusaita ngura kunoita kuti ive yakakodzera kushandiswa kwekurima, uko kusimba kwakakosha.
Kukodzera kweMahombekombe neMaindasitiri Nzvimbo
Nzvimbo dzemumhenderekedzo yegungwa nemaindasitiri dzinodenha simbi nekuda kwekupfapfaidza munyu, hunyoro, uye zvinosvibisa. Simbi yakabatiswa inoita zvakanaka munzvimbo idzi nekuti zinc coating inononoka kuonda kunyangwe pasi pemamiriro ehutsinye. Nepo mweya wemunyu uchimhanyisa kupfeka zinc, machira akakora uye kugadzirisa nguva dzose kunowedzera hupenyu hwebasa zvakanyanya. Zvidyarwa zvemaindasitiri zvinobatsirikana kubva kune galvanized simbi mupombi, zvivakwa zvekutsigira, uye dzimba dzemidziyo nekuti inoshingirira kuratidzwa kwemakemikari zvirinani pane simbi isina chinhu. Semuenzaniso, mabhiriji emumhenderekedzo yegungwa anowanzoshandisa simbi yemarara kuti adzivise ngura kubva kumhepo yegungwa ine munyu, achichengetedza chimiro chakasimba kwemakore.
Zvakanakira Kushandisa Galvanized Simbi
Mutengo-Kubudirira Kuenzaniswa Nezvimwe Zvishandiso
Simbi yakagadziriswa inopa mhinduro inodhura-inoshanda kune akawanda mapurojekiti. Kana ichienzaniswa nesimbi isina tsvina kana mamwe simbi isingadziviriri, haina kudhura zvakanyanya. Mari yekutanga yakaderera, uye kazhinji inoderedza mutengo wenguva refu nekuderedza kuchengetedza uye kutsiva zvinodiwa. Kugara kwayo kunoreva kugadzirisa kushoma uye kushomeka nguva, iyo inochengetedza mari pamusoro pehupenyu hwechimiro kana chigadzirwa. Semuenzaniso, zambuko rakavakwa nerata rinenge richida kugadziriswa kushoma pane rakagadzirwa nesimbi isina kucheneswa, zvichideredza mari yese.
Hurefu uye Kugara kwenguva refu
Imwe yemabhenefiti makuru esimbi yakabatiswa hupenyu hwayo hurefu hwesevhisi. Kutenda kune zinc coating, inodzivirira ngura uye ngura zviri nani kupfuura simbi isina chinhu. Hupenyu hwemazuva ese hunotangira pamakore makumi maviri kusvika makumi mashanu munzvimbo dzakajairwa dzekunze, uye nekugadzirisa kwakakodzera, hunogona kuramba hurefu. Iyo zinc layer inoshanda sechibairo chipingamupinyi, corroding kutanga kuchengetedza simbi iri pasi. Iyi yekuzviporesa pfuma inoreva makwara madiki kana kukuvadzwa hakukurumidze kutungamirira kumarara, kuchengetedza kutendeseka kwemaitiro nekufamba kwenguva. Munzvimbo dzakaomarara senge nzvimbo dzemahombekombe kana maindasitiri, machira akakora uye kugara achichengeta anogona kuwedzera kusimba mberi.
Mafungiro Ezvakatipoteredza uye Kuchengetedzwa
Galvanized simbi zvakare isarudzo yezvakatipoteredza. Iyo zinc coating inodzivirira simbi kubva mukuora, kuderedza kudiwa kwekugara kuchitsiviwa uye kuderedza tsvina. Pamusoro pezvo, zinc chinhu chinongoitika uye chinogona kudzokororwa pamwe nesimbi, zvichitsigira zvinangwa zvekusimudzira. Kushandisa galvanized simbi kunowedzerawo kuchengeteka nekudzivirira kukanganisa kunokonzerwa nengura, izvo zvinogona kukonzera kuparara kwemaitiro kana tsaona. Kupokana kwayo nekuora kunoreva mashoma ane chepfu ngura kana marara, zvichiita kuti ive yakachengeteka kune vese vashandi uye nharaunda. Zvakare, galvanized simbi haidi zvinokuvadza makemikari kurapwa, kuderedza kukanganiswa kwezvakatipoteredza panguva yekugadzira uye kushandiswa.
Mhedziso
Simbi ine galvanized inodzivirira ngura kuburikidza nesimbi yayo zinc, ichipa dziviriro yenguva refu. Kugara uchigadzirisa, sekuchenesa uye kuongorora, kunowedzera kusimba. Yakanakira kuvaka, kurima, uye mahombekombe kana maindasitiri zvigadziriso nekuda kwekuita kwayo mutengo uye mabhenefiti ezvakatipoteredza. Tarisiro yenguva yemberi iri kuvimbisa, nokuramba ichishandiswa mumaindasitiri akasiyana-siyana. Sino Simbi inopa yakakwirira-mhando galvanized simbi, kuendesa kukosha kuburikidza nekugona uye kushanda kwenguva refu. Zvigadzirwa zvavo zvinovimbisa kuramba kwecorrosion kwakavimbika, zvichivaita sarudzo yakangwara yezvakasiyana maapplication.
FAQ
Mubvunzo: Chii chinonzi Galvanized Steel?
A: Galvanized Simbi isimbi yakavharwa nezingi kuburikidza nekupisa-dip galvanization, inopa ngura kuramba uye kusimba.
Mubvunzo: Galvanized Steel inodzivirira sei ngura?
A: Iyo zinc yekuputira paGalvanized Steel inoshanda sechipinganidzo, oxidizing kuumba danda rekudzivirira rinodzivirira simbi kubva kunyoro uye oksijeni.
Mubvunzo: Sei uchisarudza Galvanized Steel pane mamwe machira?
A: Galvanized Simbi inopa yakakora, yakasimba coating kupfuura pendi kana electroplating, ichiita kuti ive yakanaka kune-kureba ngura kuramba.
Mubvunzo: Ko Galvanized Steel inogona kuita ngura munzvimbo dzemahombekombe?
A: Hongu, Galvanized Simbi inogona kuita ngura munzvimbo dzemahombekombe nekuda kwekuratidzwa kwemunyu, asi machira akakora uye kugadzirisa zvinogona kuwedzera hupenyu hwayo.
