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Indasitiri yesimbi yakaona kufambira mberi kwakakosha mumakore apfuura, nenzira dzakasiyana-siyana dzekudzivirira dzinowedzera kusimba uye kushanda kwezvigadzirwa zvesimbi. Pakati peaya, mashizha anopisa akanyikwa esimbi akabuda sesimba guru pamusika. Kuwedzera kukurumbira kwavo hakusi kungoita maitiro asi kuratidzwa kwehukuru hwavo hwepamusoro uye kudhura-kushanda. Kune mafekitori, vanodyidzana nechiteshi, uye vanogovera, kunzwisisa zvikonzero zviri shure kwehutongi uhwu kwakakosha pakumisikidzwa kwehungwaru munzvimbo yemakwikwi. Iyi ongororo yakazara inoongorora zvinhu zvinoita kuti inopisa yakanyudzwa galvanized simbi mashizha sarudzo inosarudzika mumashandisirwo akawanda, ichiratidza maitiro adzo pakuchinja kweindasitiri.
Chimwe chezvinhu zvakakosha zvinopa kupararira kwekutorwa kwemarata anopisa akanyikwa emarata ndiko kusadzivirirwa necorrosion. Hunyanzvi hwekuita galvanization hunopa zinc coating yakasimba inodzivirira simbi yepasi kubva kune vanokanganisa kwezvakatipoteredza. Somugumisiro, izvi Galvanized Steel Sheets inopa hupenyu hwesevhisi hwakawedzerwa, kuderedza mari yekugadzirisa uye kuwedzera kuvimbika kwechigadzirwa.
Mashizha esimbi anopisa akanyikwa anogadzirwa nekunyudza simbi mubhavhu rezinc yakanyungudutswa, zvichiita kuti pave nechisungo chesimbi pakati pezingi nesimbi. Iyi nzira inoumba nhevedzano yezinc-iron alloy layers, iyo inopa yepamusoro corrosion kudzivirira kana ichienzaniswa nedzimwe nzira dzekupfeka. Nhoroondo yekugadzira marara inotangira muzana ramakore rechi 18, asi ndiko kufambira mberi kwemazuva ano muhunyanzvi hwekuita kwakakwenenzvera nzira yekupisa yekunyura, zvichiita kuti inyatsoshanda uye ine hushamwari.
Hunhu hwakasiyana hwekupisa hwakanyudzwa galvanization hunosanganisira yunifomu yekuputira ukobvu, kunamatira kwakasimba, uye kugona kuchengetedza simbi kunyangwe munzvimbo dzakaoma. Izvi zvinoita kuti mashizha anopisa akanyudzwa esimbi ave sarudzo yakakodzera yekuvaka, mota, uye mapurojekiti ezvivakwa uko hupenyu hurefu nekusimba kwakakosha.
Maitiro ekugadzira anopisa akanyikwa galvanized simbi mashiti anosanganisira akati wandei matanho akakosha kuti ave nechokwadi chemhando yekupfeka. Iyo substrate yesimbi inogadziriswa pamusoro, iyo inosanganisira degreasing, pickling, uye fluxing. Aya matanho anobvisa tsvina uye oxides, zvichibvumira chisungo chakasimba pakati pe zinc coating nesimbi.
Kugadzirira kwepamusoro kwakakosha pakuwana yemhando yepamusoro-galvanized coating. Degreasing inobvisa mafuta uye zvinosvibisa, nepo pickling inobvisa ngura uye mill scale uchishandisa acidic solution. Fluxing inoshandisa chivharo chekudzivirira chinodzivirira oxidation isati yanyudzwa mubhati ye zinc, kuve nechokwadi chenzvimbo yakachena ye galvanization.
Munguva yekugadzira galvanizing, simbi yakagadzirwa inonyudzwa mu zinc yakanyungudutswa patembiricha yakatenderedza 450 ° C (842 ° F). Nguva yekunyudzwa inosiyana zvichienderana nekukora kwesimbi uye huremu hwekuputira hunodiwa. Metallurgical reaction inoitika, ichigadzira zinc-iron alloy layers inopa dziviriro yakasimba.
Mushure mekuputika, mashizha esimbi anogona kuitiswa mushure mekurapwa kwakadai sekudzima, passivation, kana ganda pass rolling. Aya maitiro anowedzera kupera kwepamusoro, kuderedza njodzi yekuchena ngura, uye kunatsiridza kuumbwa kweanotevera maitiro ekugadzira.
Iko kutonga kweanopisa akanyikwa galvanized simbi pamusika kunonzi kune akati wandei akakosha mabhenefiti anoasiyanisa kubva kune mamwe machira uye machira.
Corrosion ndiyo inonyanya kunetseka mukushandiswa kwesimbi, zvichikonzera kukanganisa kwemaitiro uye kuwedzera mari yekugadzirisa. Iyo zingi yekuputira pamashiti anopisa akanyikwa esimbi anoita sechibairo anode, inoora zvakanyanya kuchengetedza simbi yepasi. Kudzivirirwa uku kwecathodic kunovimbisa kuti kunyangwe iyo yekuputira ikakuvadzwa, simbi yakafumurwa inoramba yakachengetedzwa kubva kune ngura.
Nepo mutengo wekutanga wemarata anopisa akanyikwa emalavani ungave wakakwira kupfuura simbi isina kuvharwa, kuchengetedza kwenguva refu kwakakura. Hupenyu hwesevhisi hwakarebeswa uye kudiwa kwakaderedzwa kwekugadziriswa kana kutsiva zvinoshandura kudzikisa mutengo wehupenyu. Kune mapurojekiti makuru, iyi inodhura-inoshanda mukana wakakosha.
Mashizha esimbi anopisa akanyikwa anopa kuchinjika mumashandisirwo nekuda kwekuumbwa kwawo uye kuenderana neakasiyana maitiro ekugadzira. Anogona kuve akakwenenzverwa, kupendwa, kana kugadzirwa kuita maumbirwo akaomarara. Pamusoro pezvo, iyo yakakwenenzverwa kana yakatsetseka kupera kweiyo galvanized coating inopa inoyevedza kukwezva inodiwa mukuvaka kwekushandisa.
Munguva iyo kutarisisa kwezvakatipoteredza ndiko kwakakosha, mashizha anopisa akanyikwa esimbi anowirirana nemaitiro anogara aripo. Zinc nesimbi zvese zviri zviviri 100% zvinodzokororwa pasina kurasikirwa kwezvivakwa. Kugara kwesimbi yesimbi kunoderedza kushandiswa kwezvinhu nekuderedza kudiwa kwekutsiva.
Kudiwa kwepasi rose kwemarata anopisa akanyikwa kwesimbi kwave kuramba kuchikwira. Zvinhu zviri kupesvedzera maitiro aya zvinosanganisira kukura kwemaguta, kuvandudzwa kwezvivakwa, uye kukura muindasitiri yemotokari. Hupfumi huri kusimukira huri kuisa mari yakawanda mukuvaka nekufambisa, zvichifambisa kudiwa kwezvinhu zvinogara kwenguva refu uye zvisingadhuri.
Zvinoenderana neongororo yemusika yakaitwa neGrand View Research, musika wepasi rose wesimbi wepasi rose wakakosheswa USD 283.5 bhiriyoni muna 2020 uye unotarisirwa kukura pamwero wepagore wekukura (CAGR) we5.2% kubva 2021 kusvika 2028.
Mashizha esimbi anopisa akanyikwa anowana maapplication mukati mehuwandu hwemaindasitiri nekuda kwekushanda kwawo kwakavimbika.
Mukuvaka, aya mashizha esimbi anoshandiswa padenga, mapaneru emadziro, kuumba, uye maumbirwo ezvikamu. Kugona kwavo kumira nemamiriro ekunze akashata kunoita kuti ive yakanakira zvirongwa zvezvivakwa zvakaita semabhiriji, tunnel, uye migwagwa mikuru.
Chikamu chemotokari chinoshandisa simbi yakanyudzwa yakanyudzwa mukugadzira mapaneru emuviri uye zvikamu zvechimiro. Iyo corrosion resistance inovimbisa hupenyu hurefu hwemotokari, nepo simba rezvinhu richibatsira kune kuchengetedza maficha.
Munzvimbo dzekurima, marata ane galvanized anoshandiswa kugadzira zviyo, fenzi, dzimba dzezvipfuyo, uye midziyo. Kupikisa ngura uye kugona kumira kunze kwemamiriro ezvinhu kunoita kuti zvive zvakakosha muchikamu ichi.
Mashizha anopisa akanyikwa esimbi anoita basa mukugadzira simba nekugovera. Iwo anoshandiswa mune solar panel inotsigira, mhepo turbine zvikamu, uye shongwe dzekutumira. Iyo yemidziyo 'inogara yakasimba inoita kuti irambe ichiita musimba remagetsi.
Nepo inopisa yakanyudzwa galvanization iri nzira inotungamira yekuchengetedza simbi, zvakakosha kuienzanisa nemamwe machira kuti unzwisise kutonga kwayo kwemusika zvizere.
Electrogalvanization inosanganisira kuisa zinc coating kuburikidza ne electroplating. Kunyange ichipa kupera kwakatsetseka kwakakodzera kupenda, kupeta kwakatetepa kana kuchienzaniswa nekupisa kwakanyikwa galvanization, ichipa kushomeka kwekudzivirira. Izvi zvinoita kuti machira anopisa akanyikwa esimbi anyatsokodzera nharaunda dzinoda.
Aluminized simbi inosanganisira kuvhara simbi nealuminium-silicon alloy. Iyo inopa yakanakisa kupisa kupisa uye inoshandiswa mumashandisirwo senge mota exhaust masisitimu. Nekudaro, kune general corrosion dziviriro, anopisa akanyikwa galvanized simbi mapepa anopa chiyero chirinani chezvivakwa uye mutengo-kushanda.
Organic coatings senge pendi inopa chipingamupinyi chekudzivirira asi chinoshaya chibayiro chekudzivirira che zinc coating. Izvo zvinokanganisa kukanganisa uye zvinoda kugadziriswa nguva dzose. Anopisa akanyikwa marata machira, kune rumwe rutivi, anopa zvese zvipingamupinyi uye cathodic dziviriro, kuderedza gadziriso zvinodiwa.
Pasinei nezvakawanda zvakanakira, mashizha anopisa akanyikwa esimbi anotarisana nemamwe matambudziko anofanirwa kutariswa nevanobatanidzwa mumaindasitiri.
Kuwana ukobvu hwekuputira yunifomu pane dzakatetepa zvakanyanya kana gobvu simbi substrates zvinogona kunetsa. Kusiyana kwehukobvu hwekuputira kunogona kukanganisa mashandiro uye aesthetics yechigadzirwa chekupedzisira. Nzira dzepamusoro dzekudzora mumiti yekukurudzira zvirimwa zvakakosha kuderedza nyaya iyi.
Ngura chena imhando yekuora inoitika panzvimbo dzine marata, kunyanya kana paine hunyoro pasina kufefeterwa kwemhepo. Inogona kuderedza chitarisiko uye, mumatambudziko akaoma, inokanganisa maitiro ekudzivirira ekuvhara. Kuchengetedza kwakakodzera uye maitiro ekubata zvakakosha kudzivirira chena ngura.
Welding galvanized simbi inoda kungwarira kwakakosha nekuda kwekuburitswa kwezinc oxide fumes, inogona kuve nengozi. Vagadziri vanofanira kushandisa mhepo yakakwana uye michina yekudzivirira. Pamusoro pezvo, welding inogona kupisa zinc coating munharaunda, zvichidikanwa kurapwa kwemashure-weld kudzoreredza kusagadzikana kwekuora.
Ramangwana remarata anopisa akanyikwa erata rinoratidzika kuva rinovimbisa, netsvakiridzo inoenderera mberi nekusimudzira yakatarisana nekusimudzira zvivakwa zvavo uye mashandisirwo.
Kufambira mberi mune tekinoroji yemagetsi kunovavarira kuvandudza kunamatira kwekunamatira, kuderedza kukanganiswa kwezvakatipoteredza, uye optimize mashandisiro esimba. Zvitsva zvakaita semitsetse yekumhanya-mhanya inoenderera mberi yemagetsi inowedzera kushanda zvakanaka kwekugadzira, kusangana nekukura kuri kudiwa kwemusika.
Tsvagiridzo mumachira akaiswa, akadai seGalfan (zinc-aluminium alloy), inopa kukwidziridzwa kwekuramba uye kuumbwa. Zviitiko izvi zvinowedzera mashandisirwo angangoita emarata ane galvanized simbi uye zvinopa mhinduro dzakagadzirirwa kune chaiwo maindasitiri anodiwa.
Indasitiri yesimbi iri kutambira kuenderera mberi kuburikidza nekudzikiswa kwehutsi, kudzokorodza, uye kutsvagisa zvine hungwaru kwezvigadzirwa. Mashizha anopisa akanyikwa esimbi anobatsira kuzvinangwa izvi nekupa zvigadzirwa zvenguva refu izvo zvinoderedza kushandiswa kwezviwanikwa nekufamba kwenguva.
Kuratidza kushanda kwemarata anopisa akanyikwa, funga nezvenyaya dzinotevera dzinoratidza mashandisiro awo uye zvakanakira.
Guta repamhenderekedzo yegungwa rakatarisana nematambudziko nekuora nekukurumidza kwezvikamu zvebhiriji nekuda kwenzvimbo ine munyu. Kuchinjira kumarata anopisa akanyikwa emarara ezvimiro zvakakonzera kuwedzera kukuru kwehupenyu hwesevhisi uye kuderedzwa kwemitengo yekugadzirisa ne40% mukati memakore makumi maviri.
Mugadziri wemotokari anotora machira anopisa akanyikwa emalavani emapanera emuviri. Shanduko iyi yakakonzera kudzikira kwezvichemo zvewaranti zvine chekuita nekuora ne30%, zvichiwedzera kugutsikana kwevatengi uye mukurumbira wemhando.
Kune vane chekuita neindasitiri, kushandisa mabhenefiti emarata anopisa akanyikwa emarata anosanganisira kuomerera kune akanakisa maitiro pakugadzira, kubata, uye kugovera.
Kuve nechokwadi chekutevedzwa nezviyero zvepasi rese seASTM A123/A123M ye zinc coatings inovimbisa kunaka kwechigadzirwa. Kuita kwakasimba kwemhando yekudzora maitiro kunoderedza kukanganisa uye kunosimudzira kuvimba kwevatengi.
Kugadziridza mazinga ezvinyorwa uye Logistics inoderedza nguva yekutungamira uye mutengo. Kudyidzana pamwe chete nevatengesi nevatengi kunofambisa zvirinani kufanotaura uye kugovera zviwanikwa.
Kupa rutsigiro rwehunyanzvi uye kudzidziswa nezve mashandisiro akakodzera uye kubata kweanopisa akanyikwa galvanized masheets kunowedzera kugutsikana kwevatengi. Kudzidzisa vashandisi vekupedzisira-pamisoro senge nzira dzewelding uye kudzivirira corrosion kunowedzera mabhenefiti ezvinyorwa.
Mashizha esimbi anopisa akanyikwa akachengetedza hutongi hwawo mumusika kuburikidza nemusanganiswa wepamusoro-soro wekupokana, kuita mutengo, kuita zvakasiyana-siyana, uye kusimba. Kutorwa kwavo kwakapararira mumaindasitiri akasiyana kunosimbisa kukosha kwavo kumafekitori, vanobatika nechiteshi, uye vanogovera. Nekunzwisisa maitiro ekugadzira, mabhenefiti, uye akanakisa maitiro ane hukama neaya Galvanized Simbi Sheets, vanobatana neindasitiri vanogona kuita sarudzo dzine ruzivo uye kushandisa mikana inounzwa neichi chinhu chakasimba. Maonero eramangwana anoramba akanaka, nekufambira mberi kwetekinoroji kwagadzirira kuwedzera zvivakwa uye mashandisirwo emarata anopisa akanyikwa emarata, achisimbisa chinzvimbo chavo mumusika wepasi rose wesimbi.
zvemukati hazvina chinhu!
zvemukati hazvina chinhu!