Is galvanized simbi inodzivirira ngura zvechokwadi? Uyu mubvunzo unowanzoitika mukuvaka nekugadzira. Simbi yakabatiswa, inozivikanwa nekuputira zinc, inopa nhovo yakasimba kubva kune ngura. Rust kuramba kwakakosha pakugara kwenguva refu uye kusimba munzvimbo dzakasiyana siyana. Muchinyorwa chino, iwe uchadzidza nezve galvanization process, zvinhu zvinofurira ngura, uye matipi ekugadzirisa kwesimbi.
Kunzwisisa Galvanization
Maitiro ekupisa-Dip Galvanizing
Kupisa-dip galvanizing kunosanganisira kunyudza simbi yakachena muzinc yakanyungudutswa, ichidziya kusvika ku450°C (842°F). Isati yanyudza, simbi inotora matanho ekuchenesa senge kudzikisa uye kunhonga kubvisa tsvina, mafuta, uye ngura. Kana ichinge yanyudzwa, zinc metallurgically inosungirirana nesimbi, ichiita jira rakasimba, rakasimba. Iyi nzira inogadzira akati wandei ezinc-iron alloy akaiswa zinc yakachena, kuve nechokwadi chekunamira nekudzivirira.
Iyo zinc coating inoshanda senhovo, inodzivirira hunyoro uye oxygen kuti isvike simbi iri pasi. Ichi chipingamupinyi chinononotsa ngura zvichienzaniswa nesimbi isina kuvharwa kana simbi yakavharwa nependi. Ukobvu hwezinc layer hunogona kusiyana zvichienderana nekukura kwesimbi uye nguva yekubatisa asi kazhinji inotangira pa45 kusvika 85 microns, ichipa dziviriro yenguva refu.
Kemikari Bonding yeZinc uye Simbi
Kusiyana nepende, iyo inongogara pamusoro pesimbi, inopisa-dip galvanizing inoguma mune metallurgical bond pakati pe zinc nesimbi. Ichi chisungo chinoumba yakasarudzika zinc-iron alloy layer iyo yakaoma uye inoshingirira kupfeka. Kemikari inopindirana panguva yekuputika inogadzira jira risina musono rinova chikamu chepamusoro pesimbi, pane kuwedzera kuwedzera.
Ichi chisungo chinovimbisa kuti zinc coating inoramba yakanyatsobatanidzwa, kunyangwe pasi pemakinika kushushikana kana kuratidzwa kwezvakatipoteredza. Inodzivirirawo mvura neokisijeni kupinda mukati, izvo zvakakosha kuti utange kuita ngura. Musanganiswa wekemikari iyi ndiyo yakavanzika kuseri kwesimbi yakabatiswa kugwinya kwepamusoro soro.
Kuzviporesa Zvivakwa zveZinc Coating
Chimwe chinhu chinoshamisa chesimbi yemarara kugona kuzvirapa kwe zinc. Kana iyo zinc coating ikakweshwa kana kukuvadzwa zvishoma, inodzivirira simbi yakafumurwa nekuora zvechibairo. Zinc inoshanda seanode yechibairo, zvichireva kuti inotanga kuora, kuchengetedza simbi iri pasi.
Pamusoro pezvo, kana zingi ikasangana nehunyoro uye kabhoni dhaikisaidhi mumhepo, inoumba dhizaini, risinganyunguriki re zinc carbonate. Iyi nhete inovhara pamusoro, ichidzivirira kuwedzera kukora. Iyi nzira yekuzviporesa inobatsira kuchengetedza kutendeseka kwesimbi nekufamba kwenguva, kunyangwe iyo coating ichitambura zvishoma.
Ichi chivakwa chinonyanya kukosha munzvimbo dzakaoma umo mavanga kana mabrasions akajairika. Inobvumira simbi yemarara kuti igare kwenguva refu isina ngura kana ichienzaniswa nemamwe masimbi akavharwa.
Ko Galvanized Steel Rust?
Mamiriro Anoita Ngura
Simbi yakabatiswa yakavharwa ne zinc, inochengetedza simbi iri pasi nekudzivirira hunyoro neoxygen kuti isakonzerese ngura. Zvisinei, haina kudzivirirwa zvachose kune ngura. Ngura inogona kuumba kana zinc coating ikapera kana kukuvara, ichiratidza simbi iri pasi.
Dzimwe nharaunda dzinokurumidzisa kuita uku. Hunyoro hwepamusoro pamusoro pe60% kazhinji hunowanikwa munzvimbo dzinopisa kana kuti greenhouse zvinogona kukonzera kuti zinc layer iparare nekufamba kwenguva. Munyu, kunyanya munzvimbo dzemugungwa kana mumhenderekedzo yegungwa, unowedzera kuora nekuti unonyungudutsa iyo inodzivirira zinc carbonate layer. Kugara uchinyorova, senge mukugezeswa kwemota kana kunonaya mamiriro ekunze, kunonetsawo kusimba kwejasi.
Zvinhu zvinosvibisa zvakaita sesarufa dhiokisi mumaguta kana kuti hydrogen sulfide pedyo nemakomo anoputika netsvina zvinogona kurwisa zinc nekemikari, zvichiita kuti dziviriro yayo ishaye simba. Alkalis yakasimba inowanikwa mumidziyo yakaita sePortland simende inogona kukuvadza iyo yekuputira kana simbi ichisangana nezvinhu zvakadaro. Kunyange moss kana lichen inokura pamusoro inogona kubata unyoro, ichigadzira microclimate inokurudzira kuora.
Kuenzanisa nemamwe ma Coatings
Kuenzaniswa nependi, galvanized simbi inopa nguva refu yekudzivirira ngura. Pendi inogara pamusoro uye inogona chip kana peel, ichibvumira mvura kuti isvike simbi nekukurumidza. Galvanizing inoumba metallurgical bond, ichiita iyo yekuputira chikamu chesimbi pachayo.
Powder coating ndiyo imwe sarudzo, inowanzoiswa pamusoro pesimbi yemarara kuwedzera ruvara uye imwe dziviriro. Iyo yakasimba kudarika pendi uye inobatsira kuwedzera hupenyu hwesimbi, kunyanya munzvimbo dzakaoma.
Zvisinei, hapana kupfeka kunogona kugara nekusingaperi. Simbi yakabatiswa inowanzogara makore 50 kana kupfuura ngura isati yava chinhu chinonetsa, pendi inogara kwenguva refu chete.
Kugara Kwenguva Yakareba
Simbi yakabatiswa zingi yekunamira inoodza zvishoma kudarika simbi, ingangoita 1/30 pachiyero. Kuzvirapa kwayo kunoreva kuti zvikwambo zvidiki hazvizokonzeresa ngura. Zinc corrodes kuzvipira, kuchengetedza simbi pasi kusvikira zinc layer yapera.
Ukobvu hwezinc layer hunoita basa guru mukusimba. Makobvu akakora anopa kudzivirira kwenguva refu. Indasitiri zviyero seASTM A123 inotsanangura hudiki hudiki kuti uve nechokwadi chekugara kwenguva refu.
Munzvimbo dzakawanda, simbi yakabatiswa inoramba isina ngura kwemakumi emakore. Kunyangwe mumaseta ekuora, inokunda mamwe akawanda machira. Zvisinei, kuongorora nguva dzose kunobatsira kubata kukuvadzwa nokukurumidza, kudzivirira ngura kubva pakupararira.
Kuti uwedzere hupenyu hwesimbi yakabatiswa, sarudza zvigadzirwa zvine zinc coatings zvinosangana kana kudarika ASTM A123 zviyero uye funga nezve mamwe machira ekudzivirira enzvimbo dzinoita ngura zvakanyanya.
Zvinhu Zvinokonzera Ngura paGaratiya Simbi
Environmental Conditions
Kuramba kwesimbi yesimbi kumarara kunoenderana zvakanyanya nenharaunda yayo. Mhepo yakaoma, yakachena inobatsira kuchengetedza zinc coating uye inoshanda. Zvisinei, kana yakaratidzirwa kumhepo yakanyorova kana yakasvibiswa, zinc layer inogona kuderera nokukurumidza. Nzvimbo dzemaindasitiri dzine zvinosvibisa zvakaita sesarufa dhiokisi inomhanyisa corrosion nekuita makemikari ne zinc coating. Saizvozvo, mvura yeasidhi, iyo ine maasidhi akanyungudika kubva mukusvibiswa, inogona kupera pasi inodzivirira zinc layer nekufamba kwenguva.
Mamiriro evhu ane basawo. Pakavigwa simbi yemarara, mhando yevhu inokonzera ngura. Ivhu rakanyorova, rine madhaka rakapfuma muorganic matter kana munyu rinokurudzira kukora kwezinc nekukurumidza pane ivhu rakaoma, rine jecha. Tembiricha ine basa zvakare. Nepo zinc ichinyunguduka pakupisa kukuru (kunosvika 420°C), kudziya kwakajairwa kwezvakatipoteredza hakuikuvadze, asi kusanganiswa nehunyoro uye zvinosvibisa, kupisa kunogona kukurumidzisa kuora.
Impact of Humidity uye Munyu
Humidity inopfuura 60% ndiyo inowanzokonzera kuparara kwe zinc coating. Hunyoro hwepamusoro hunoreva kuti zinc inopindirana kakawanda nemvura uye oksijeni, ichiita zinc carbonate inodzivirira simbi. Asi kunyorova nguva dzose, semunzvimbo dzinopisa kana kuti greenhouses, kunoita kuti zinc carbonate layer isakara, ichiratidza simbi iri pasi.
Munyu, kunyanya kubva munzvimbo dzegungwa kana mahombekombe, inonyanya kutyisa. Mvura yemunyu inonyungudutsa zinc carbonate protective layer nekukurumidza. Zvimedu zvemunyu zviri mumhepo zvinogarawo pamusoro, zvichikwezva unyoro uye kugadzira nzvimbo diki diki dzinogona kutanga kuita ngura. Izvi zvinoita kuti marata ari pedyo nemakungwa kana kuti madziva emunyu asanyanya kuita ngura.
Mechanical Kukuvadza Nezvazvinoita
Kukuvadzwa kwesimbi kune galvanized simbi kunokanganisa kuramba ngura zvakanyanya. Kukwenya, mazino, kana mabrasions anogona kutyora zinc coating, achifumura simbi isina chinhu. Nepo zinc yekuzviporesa pfuma ichibatsira nekuora nekuzvipira kuchengetedza simbi, kukuvara kwakakura kana kwakadzika kunokurira kugona uku.
Kudzokororwa kwemechanichani, senge kubva kune zvishandiso, mota, kana marara ezvakatipoteredza, zvinogona kupera pasi zinc layer. Nekufamba kwenguva, izvi zvinotungamira kune ngura kuumba panzvimbo dzakakuvadzwa. Zvakare, kana simbi yakabatiswa ikasangana nezvinhu zvakaita sesimende kana plaster ine alkali yakasimba, zinc yekubatisa inogona kushatisa nekukurumidza, kunyanya munzvimbo dzakakuvadzwa.
Paunenge uchishandisa simbi kunze, funga nezvezvakatipoteredza zvakaita semwando, kunyungudika kwemunyu, uye kukuvara kwemuchina, uye sarudza mazingi akakora akakwana kuti akwanise kutsungirira matambudziko aya kuitira kudzivirira ngura kwenguva refu.
Zvakanakira Kushandisa Galvanized Simbi
Mutengo-Kubudirira
Simbi yakabatiswa inopa mhinduro inodhura-inoshanda kune akawanda mapurojekiti. Mutengo wekutanga wekupisa-dip galvanizing kazhinji wakadzikira pane wesimbi isina tsvina kana mamwe simbi isingaite ngura. Sezvo zinc yakavhara inodzivirira simbi kwemakumi emakore, inoderedza kudiwa kwekugara kuchitsiviwa kana kugadzirisa. Uhu hurefu hwehupenyu hunoreva kushoma nguva uye kuderedza mari yekugadzirisa, kuchengetedza mari pamusoro pehupenyu hwese hwesimbi. Pamusoro pezvo, galvanizing inzira inokurumidza inogona kuitwa yakawanda, zvichiita kuti ive nemari kumapurojekiti makuru.
Corrosion Resistance munzvimbo dzakasiyana siyana
Imwe yemarata ane galvanized mabhenefiti makuru ndeyekupokana kwayo kwekuora munzvimbo dzakasiyana siyana. Iyo zinc coating inoita sechidziviriro chakasimba kurwisa unyoro, oxygen, uye zvinosvibisa. Inoita zvakanaka mumadhorobha, kumaruwa, uye mumaindasitiri, ichidzivirira simbi kubva kumarara uye kuparara. Munzvimbo dzemahombekombe kana dzemugungwa, zinc layer inononoka kuonda kunyangwe ikasangana nemhepo yemunyu kana mvura yegungwa. Uku kusimba kunoita kuti simbi yakabatiswa ikwane kunyorera kubva kumabhiriji uye zvivakwa kusvika kune zvekurima nemidziyo yekunze.
Kurarama kwenguva refu uye Kudzikira kwakaderera
Simbi yakabatiswa inozivikanwa nehupenyu hwayo hurefu hwebasa, kazhinji inodarika makore makumi mashanu pasi pemamiriro akajairika. Iyo yekuzviporesa pfuma ye zinc coating inoibatsira kuchengetedza dziviriro kunyangwe yakakwenya kana kukuvara zvishoma. Izvi zvinoreva kuti kupfeka kudiki hakuzokonzeresa ngura, kuwedzera hupenyu hunobatsira hwesimbi. Nekuda kwekusimba uku, galvanized simbi inoda kugadziridzwa kushoma kana ichienzaniswa nesimbi yakapendwa kana isina kugadzirwa. Kucheneswa nguva nenguva uye kuongorora zvinowanzokwana kuti zvirambe zviri muchimiro chakanaka, kuderedza vashandi uye mari yekuchengeta nekufamba kwenguva.
Zano: Sarudza simbi ine zinc coatings inosangana neASTM A123 kana zviyero zvakaenzana kuti ive nechokwadi chekudzivirira kwekuora uye kuchengetedza mutengo kwenguva refu.
Mazano Ekuchengetedza Galvanized Simbi
Maitiro Ekuchenesa Nguva Dzose
Kuchengeta simbi yakakwenenzverwa yakachena ndicho chinhu chinokosha pakuchengetedza kusaita ngura. Tsvina, tsvina, uye zvinosvibisa zvinogona kubata mwando, izvo zvinoita kuti ngura ikurumidze. Shandisa sipo yakapfava kana detergent yakasanganiswa nemvura kuti ugeze pasi zvinyoro. Mabhurashi akapfava kana machira anoshanda zvakanyanya kudzivirira kukwenya zinc coating. Mushure mekuchenesa, simbura zvakakwana nemvura yakachena kuti ubvise chero zvakasara, wozoomesa pamusoro nemucheka wakapfava kana kuti uite kuti mhepo iome. Kugara kucheneswa kunodzivirira kuvaka izvo zvinogona kukanganisa inodzivirira zinc layer.
Kuongorora uye Kukuvadza Kudzora
Kuongorora nguva nenguva kunobatsira kubata zviratidzo zvekutanga zvekukuvara kana ngura. Tarisa panzvimbo dzinowanzo pfeka, senge mipendero, majoini, kana nzvimbo dzakafumurwa nemakanika. Tsvaka makwara, machipisi, kana makwapa. Kana iwe ukawana chero kukanganisa, ita nekukurumidza. Ngura diki dzinogona kurapwa nerust converter kuti dzimise ngura. Wozoisa zinc-rich primer kana inotonhora galvanizing compound kuti udzorere dziviriro. Kugadzirisa nekukasika kunoita kuti ngura isapararire uye inodzivirira kuti simbi igare kwenguva refu.
Kudzivisa Abrasive Kuchenesa Nzira
Dzivisa maturusi ekuchenesa akaomarara seshinda yesimbi, mabhurashi ewaya, kana poda inonamira. Izvi zvinogona kukwenya kana kupfekedza zinc coating, zvichiburitsa simbi iri pasi. Mawachi emagetsi anofanirwa kushandiswa nekuchenjerera; high pressure inogona kukanganisa pamusoro. Pane kudaro, sarudza nzira dzakapfava dzekuchenesa dzinochengetedza kutendeseka kwegirodhi. Kushandisa zvinyoro zvinyoro uye zvinyoro zvigadziriso zvinoita kuti iyo coating irambe yakasimba uye inoshanda nekufamba kwenguva.
Rongedza kucheneswa nguva dzose uye kuongororwa kwesimbi, uye gara uchishandisa zvinyoro zvekuchenesa maturusi kuchengetedza inodzivirira zinc coating uye kuwedzera hupenyu hwayo husina ngura.
Zvishandiso zveGalvanized Steel
Kuvaka uye Infrastructure
Galvanized simbi isarudzo yepamusoro mukuvaka uye zvivakwa nekuda kwekugara kwayo uye kushora ngura. Inoshandiswa zvakanyanya kune zvimiro zvechimiro, mabhiriji, denga, uye matanda ekutsigira. Iyo zinc coating inodzivirira simbi kubva pamamiriro ekunze, kuderedza ngura munzvimbo dzekunze. Izvi zvinoita kuti simbi yemarara ive inodhura-inoshanda kumapurojekiti enguva refu, kuderedza kugadzirisa uye kutsiva zvinodiwa.
Semuyenzaniso, njanji dzemigwagwa mikuru nemapango emwenje dzemumugwagwa dzinowanzoshandisa marata nekuti dzinogona kumira kunaya, sinou, uye kusvibiswa pasina kuita ngura nekukurumidza. Simba rayo uye kusagadzikana kwekuora kunovimbisa kuchengeteka uye kuvimbika kwemakore mazhinji.
Zvekurima uye Zvekunze Equipment
Mukurima, galvanized simbi yakakosha kune midziyo inoratidzirwa kune yakaoma mamiriro. Fenzi, magedhi, silos, uye masisitimu ekudiridza anobatsirwa kubva kune inodzivirira zinc layer. Zvimiro izvi zvinotarisana nehunyoro, makemikari evhu, uye kupfeka kwemuchina, izvo zvese zvinogona kukonzera ngura musimbi isina kugadziriswa.
Simbi yakagadziriswa inopikisa matambudziko aya, kuchengetedza kutendeseka kwechimiro uye kuderedza nguva. Fenicha yekunze uye midziyo yenhandare yekutamba inoshandisawo simbi yemarara kutsungirira zuva, kunaya, uye kushandiswa nguva nenguva pasina ngura.
Zvifambiso neMagetsi Sector
Zvifambiso zvezvifambiso, zvakaita senjanji, shongwe dzekufambisa, uye mafuremu emotokari, zvinotsamira pamarata ane galvanized kudzivirira ngura. Iyo zinc coating inobatsira zvikamu izvi kuti zvigare kwenguva yakareba kunyangwe paine kuratidzwa kwemamiriro ekunze uye mugwagwa munyu.
Muchikamu chesimba, simbi yakabatiswa inotsigira tambo dzemagetsi, maturbine emhepo, uye michina yemafuta. Aya maapplication anoda zvinhu zvinomira zvakanyanya nharaunda, zvinosanganisira mahombekombe emunyu wekupfapfaidza uye kusvibiswa kwemaindasitiri. Simbi yakabatidzwa kugona kuramba ngura inowedzera hupenyu hwezvinhu izvi zvakakosha, kuvandudza kuchengetedzeka nekudzikisa mari yekugadzirisa.
Paunenge uchisarudza simbi yakabatiswa yekushandiswa kwekunze kana mumaindasitiri, sarudza zvigadzirwa zvinoenderana neASTM A123 kana zviyero zvakaenzana kuti uve nechokwadi chekuchengetedzwa kwakakwana uye hupenyu hurefu mukudiwa kwekushandisa.
Mhedziso
Simbi yakagadziriswa inopa yakanakisa ngura kuramba nekuda kweiyo zinc coating, iyo inoshanda sechivharo chekudzivirira. Iyo inodhura-inoshanda, yakasimba, uye inokodzera nharaunda dzakasiyana, kusanganisira kuvaka, kurima, uye zvekufambisa. Iyo zinc yakavharwa inozvirapa yega kana yakuvadzwa, ichirebesa hupenyu hwesimbi. Sezvo maindasitiri achiramba achida zvinhu zvinovimbika, simbi yemarara inoramba iri sarudzo yepamusoro pamapurojekiti enguva refu. Sino Steel inopa emhando yepamusoro zvigadzirwa zvesimbi, ichiva nechokwadi chekuchengetedzwa kwakakwana uye kukosha kwekushandisa kwakasiyana.
FAQ
Mubvunzo: Is Galvanized Steel-proof-proof?
A: Galvanized Simbi haisi zvachose-uchapupu asi inopa kupikisa kwakanakisa nekuda kweiyo zinc yekupfeka, iyo inodzivirira simbi kubva kune mwando uye oksijeni.
Mubvunzo: Simbi yakabatiswa inogara kwenguva yakareba sei isati yaita ngura?
A: Galvanized Simbi inogona kugara makore anopfuura 50 isina ngura munzvimbo dzisina kupisa, nekuda kwekugara kwayo zinc coating.
Mubvunzo: Sei Galvanized Steel inosarudzwa mukuvaka?
A: Galvanized Simbi inofarirwa nekudhura kwayo, kusimba kwenguva refu, uye nepamusoro-soro yekudzivirira, zvichiita kuti ive yakanaka pakuvaka.
Q: Galvanized Steel inofananidzwa sei nesimbi yakapendwa?
A: Kusiyana nesimbi yakapendwa, Galvanized Steel inoumba metallurgical bond ine zinc, inopa yakasimba uye inogara kwenguva refu yekudzivirira ngura.
