Ngaba wakha wazibuza ukuba kutheni ezinye izakhiwo zentsimbi zihlala zingenamhlwa amashumi eminyaka? Imfihlelo ilele kumandlalo. Intsimbi eyiGalvanized Steel inezinki ezikhuselayo ezikhusela umhlwa. Ukuqonda ukubaluleka kokufakwa kwegalati kubalulekile kumashishini axhomekeke kwizinto ezihlala ixesha elide. Kule post, uya kufunda indlela eyenziwe ngayo intsimbi, ukuxhathisa kwayo komhlwa, kunye nezinto ezichaphazela ubomi bayo obude.
Yenziwa Njani intsimbi yeGalvanized
Inkqubo yeHot-Dip Galvanization
Intsimbi ekhuselweyo ifumana i-zinc ekhuselayo ngenkqubo ebizwa ngokuba yi-hot-dip galvanization. Okokuqala, intsimbi icocwa ngokucokisekileyo ukuze isuse ubumdaka, ioli nomhlwa. Emva koko, ifakwa kwibhafu enezinki enyibilikisiweyo efudunyezwe ukuya kuma-450°C (842°F). Oku kuntywiliselwa kuvumela i-zinc ukuba ibambelele ngokuqinileyo kumphezulu wentsimbi, yenze i-coating eyomeleleyo ekhusela intsimbi ekudlekeni.
I-zinc etyhidiweyo idibana nentsimbi ukwenza iileya ezininzi ze-zinc-iron alloy. Njengoko intsimbi iphola, umaleko we-zinc ecocekileyo ubumba phezulu, unika isiphelo esiqhelekileyo esicwebezelayo okanye sematte. Le ndlela iqinisekisa ukuba i-zinc i-coating inzima kwaye ifana, inika ukhuseleko oluhle kakhulu kumhlwa.
Ukudityaniswa kwemichiza yeZinc kunye neNsimbi
Ngokungafaniyo neepeyinti ezilula zepeyinti ezihlala phezu komhlaba, i-galvanization ye-hot-dip yenza i-metallurgical bond phakathi kwe-zinc kunye nentsimbi. Le bhondi yenza iileya ezihlukeneyo apho i-zinc kunye ne-athomu zentsimbi zixuba, zivelisa indawo entsha edibeneyo. Oku kudityaniswa kweekhemikhali kwenza ukuba i-zinc ibambelele kakhulu kwaye yomelele.
Into ebalulekileyo yolu nxibelelwano kukukwazi ukuziphilisa. Ukuba umphezulu owenziwe ngegalvanized ukrwele okanye wonakaliswe, i-zinc corrodes ngokukhethekileyo, ibingelela ngokwayo ukukhusela intsimbi evezwe ngaphantsi. Le corrosion yedini ikhusela umhlwa ekubunjweni kwentsimbi, ukwandisa ixesha lokuphila kwezinto ezibonakalayo.
Ukuthelekisa kunye nezinye iindlela zokugquma
I-galvanization ibalasele xa ithelekiswa nezinye iingubo zokukhusela ezifana nokupeyinta okanye i-electroplating. Ipeyinti isebenza njengesithintelo kodwa ayidibanisi neekhemikhali kwaye inokucofa okanye ixobulwe, iveze intsimbi ekuruseni. I-Electroplating ibeka umaleko we-zinc obhityileyo kusetyenziswa umsinga wombane kodwa oko kukhokelela kwincaphu ebhityileyo, ehlala ixesha elide.
I-galvanization ye-Hot-dip galvanization ivelisa i-coating engqindilili, eyomelela ngakumbi, ihlala amashumi eminyaka ngaphandle kokugcinwa. Oku kuyenza ilungele izakhiwo zangaphandle, iziseko zophuhliso, kunye neendawo ezisingqongileyo apho ukuxhathisa umhlwa kubalulekile. Ngaphezu koko, intsimbi ekhandisiweyo idla ngokubiza imali encinci ngokuhamba kwexesha ngenxa yogcino oluphantsi kunye neemfuno zokutshintshwa.
Ingcebiso: Kwiiprojekthi ezifuna ukuxhathisa umhlwa, khetha intsimbi etshisiweyo yokudipha phezu kwentsimbi epeyintiweyo okanye ene-electroplated ukuze uxhamle kwi-zinc yayo ejiyileyo eziziphilisayo.
Ngaba iRust yentsimbi eyiGalvanized Steel?
Ukuqonda umhlwa kunye nokuMdla
Umhlwa luhlobo oluthile lomhlwa oluchaphazela intsimbi kunye nentsimbi xa ibekwe kwioksijini kunye nokufuma. Yenza i-iron oxide, into egqabhukileyo exobukayo, iveze isinyithi esitsha ngaphantsi. Lo mjikelo uyaqhubeka, nto leyo ebangela ukuba isinyithi siwohloke. Nangona kunjalo, intsimbi ene-galvanized ine-coating ye-zinc esebenza njengekhaka. I-Zinc oxidizes ngokwahlukileyo; yenza umaleko okhuselayo we-zinc oxide, othi emva koko uguqule kwi-zinc carbonate phambi komswakama. Le patina ibuthuntu engwevu ayinakunyibilika emanzini kwaye ivala umhlwa ngakumbi. Ngoko ke, ngoxa intsimbi eqhelekileyo irusa ngokukhawuleza, intsimbi ekhandiweyo imelana nomhlwa ixesha elide ngenxa yokuba i-zinc ikhusela umphezulu kunye nentsimbi engaphantsi.
Iimeko apho intsimbi yeGalvanized inoku Rusa
Intsimbi yegalvanized ayikhuselekanga ngokupheleleyo kumhlwa. Umaleko wayo we-zinc unokuguga ngokuhamba kwexesha, ngakumbi phantsi kweemeko ezinzima. Izinto ezinokukhokelela kumhlwa ziquka:
Ukufuma okuPhezulu: Iimeko ezingqongileyo ezinobufuma obungaphezulu kwe-60% zikhawulezisa ukudleka kwezinki.
Ukubonakaliswa kweTyuwa: Umoya ongaselunxwemeni okanye waselwandle uqulethe i-sodium chloride, ekhawulezisa ukuphuka kwe-zinc layer.
Ukumanzisa rhoqo: Ukufuma rhoqo, njengokuhlambela kwemoto okanye kwimozulu efumileyo, kunokonakalisa isambatho.
Ungcoliseko: Izinto ezingcolisa imizi-mveliso ezifana ne-sulphur dioxide kunye ne-hydrogen sulfide zidla i-zinc ngokukhawuleza.
Izinto zealkaline: Izinto ezifana nesamente kunye nodaka zinekloridi kunye neesulfates ezihlasela i-zinc.
Ukukhula kwebhayoloji: I-Moss kunye ne-lichen zigcina ukufuma, zikhuthaza ukubola kwendawo.
Xa i-zinc coating iyancipha okanye ikrwelwe, intsimbi eveziweyo inokuqalisa ukurusa. Nangona kunjalo, indalo yedini ye-zinc ithetha ukuba i-corrodes kuqala, ikhusela intsimbi de i-zinc idliwe kakhulu.
Ixesha elide Ukuqina kweNtsimbi eGalvanized
Ngaphandle kokunxitywa kwe-zinc ekugqibeleni, intsimbi enezinki ihlala ixesha elide kunentsimbi engagqunywanga. Ubomi benkonzo eqhelekileyo busukela kwiminyaka engama-20 ukuya kwengama-50 kwiimeko eziqhelekileyo zangaphandle. Kwiindawo eziselunxwemeni okanye kwimizi-mveliso, inokuhlala iminyaka emi-5 ukuya kweli-15 ngaphambi kokuba kuvele umhlwa. Ubukhulu be-zinc kunye nokuvezwa kokusingqongileyo kuqinisekisa ubomi obude.
Ipropathi yokuziphilisa ye-zinc ibalulekile. Ukuba umphezulu uyakrweleka, i-zinc idla ngokutya, ivale intsimbi eveziweyo kwaye ithintele ukusasazeka komhlwa. Olu khuselo lombingelelo lwandisa kakhulu ubomi bentsimbi.
Isondlo sikwadlala indima ebalulekileyo. Ukucoca rhoqo ukususa ityuwa, ukungcola, kunye nezinto ezingcolisayo kunciphisa ukusetyenziswa kwe-zinc. Ukuhlolwa ukulungisa imikrwelo okanye iindawo ezonakeleyo kunceda ukugcina umqobo wokukhusela.
Isishwankathelo, isinyithi esinamavili sinokugqwala, kodwa phantsi kweemeko ezithile kwaye ngokuqhelekileyo emva kweminyaka emininzi. Ingubo yayo ye-zinc inika ixesha elide, ukhuseleko oluhlala ixesha elide, okwenza kube yinto ethembekileyo yokumelana nokubola.
Izinto ezichaphazela umhlwa kwintsimbi yeGalvanized
Iimeko zokusingqongileyo
Okusingqongileyo kudlala indima enkulu kwindlela ekhawuleza ngayo ukurusa intsimbi. Amanqanaba aphezulu okufuma, ngakumbi ngaphezulu kwe-60%, akhawulezisa ukubola kwe-zinc. Iindawo ezingaselunxwemeni ziqinile kwintsimbi ekhandisiweyo kuba ityuwa esemoyeni nasemanzini ikhawulezisa ukuguga kwe-zinc. Imimandla yemizi-mveliso ikwabeka imiceli mngeni ngenxa yeegesi ezineasidi kunye nezingcolisi ezifana ne-sulphur dioxide, etya i-zinc coating ngokukhawuleza kunesiqhelo.
Ubushushu bubalulekile. Ngelixa amaqondo obushushu aphantsi angonzakalisi intsimbi, amaqondo obushushu aphezulu adityaniswe nokufuma okanye ungcoliseko lunokukhawulezisa ukubola. Iimeko zomhlaba impembelelo engcwatywe intsimbi; imihlaba emanzi, enodaka ikholisa ukubangela ukonakaliswa kwe-zinc ngokukhawuleza kunomhlaba owomileyo, onesanti.
Impembelelo yeZinc yoKutyabeka Ukutyeba
Ubunzima be-zinc layer yinto ephambili ekuxhathiseni umhlwa. Iingubo ezityebileyo zibonelela ngokhuseleko olude ngokuthatha ixesha elininzi lokuguga. Umzekelo, i-coating ejikeleze i-85 microns inokuhlala iminyaka engama-20 ukuya kwengama-50 kwiimeko eziqhelekileyo zangaphandle. Kwiindawo ezibukhali ezifana nonxweme okanye imimandla yemizi-mveliso, i-coatings engqindilili (ngaphezu kwe-100 microns) iyacetyiswa ukwandisa ubomi benkonzo.
Njengoko i-zinc iguqa, intsimbi engaphantsi iba sesichengeni. I-zinc isebenza njengomaleko wedini, i-corroding kuqala ukukhusela intsimbi. Emva kokuba i-zinc iphelile, umhlwa unokuqalisa ukuvela kumphezulu wentsimbi. Ke, ukukhetha ubungakanani obufanelekileyo bokugquma ngokusekwe kubhengezo lokusingqongileyo kubalulekile.
Indima yokonakala koomatshini
Umonakalo owenziwe ngoomatshini njengemikrwelo, izibonda, okanye iitshiphusi zinokubeka esichengeni ukutyabeka kwe-zinc. Ezi zikhefu zityhila intsimbi engaphantsi, evumela ukufuma kunye neoksijini ukufikelela kuyo. Ngelixa ipropathi yokuziphilisa ye-zinc inceda ukukhusela iindawo ezincinci ezonakalisiweyo ngokugqwesa ngokukhethekileyo, umonakalo omkhulu okanye onzulu uyalunciphisa olu khuseleko.
Iindawo ezonakeleyo zinokuba ziindawo ekugxilwe kuzo umhlwa ukuba azilungiswa. Ukuhlolwa rhoqo kunceda ukubona ezi ndawo zibuthathaka kwangoko. Ukulungisa imikrwelo ngepeyinti etyebileyo ngezinc okanye iicoating kunciphisa ukubola kwaye kwandisa ubomi bentsimbi.
Ukugcinwa kweNsimbi eGalvanized
Iindlela zokucoca rhoqo
Ukugcina isinyithi se-galvanized kuqala ngokucoca rhoqo. Ukungcola, ityuwa, kunye nongcoliseko kunokwakhelana phezu komhlaba kwaye kukhawulezise ukunxitywa kwe-zinc. Ukucoca kususa ezi iidiphozithi ezinobungozi, kunceda i-zinc layer ihlale ixesha elide. Sebenzisa isepha ethambileyo kunye namanzi ngebrashi ethambileyo okanye ilaphu ukukhuhla ngobunono intsimbi. Gwema iikhemikhali ezinzima okanye izicoci ze-acidic, njengoko zingonakalisa i-zinc. Hlanza kakuhle kwaye womise umphezulu ukukhusela amabala amanzi okanye intsalela. Kwiindawo eziselunxwemeni okanye kwimizi-mveliso, nyusa amaxesha okucoca ukuya kwikota okanye ngenyanga ukulwa netyuwa nokwanda kongcoliseko. Ukucocwa rhoqo kunciphisa ukuhlwa kwaye kugcina intsimbi enezinki ibonakala ilungile.
IiTeknikhi zokuHlola nokuLungisa
Ukuhlolwa rhoqo kubalulekile. Khangela imikrwelo, iitshiphusi, okanye izibonda apho i-zinc inokuthi ichaphazeleke. La mabala aveza intsimbi kubumanzi kunye neoksijini, iqala ukurusa. Jonga ngokusondeleyo i-welds, i-edges, kunye namajoyinti, njengoko ezi ndawo zihlala zinomonakalo owenziwe ngoomatshini. Sebenzisa igeyiji yobukhulu be-coating ukulinganisa ubukhulu be-zinc kwaye uchonge amabala abhityileyo. Ngomonakalo omncinci, sebenzisa ipeyinti enezinki okanye i-galvanizing compound ebandayo ukuze ubuyisele ukhuseleko. Ukufumana umhlwa othe chatha, qwalasela ukulungiswa kobuchwephesha okanye ukugaywa ngokutsha. Ulungiso olukhawulezileyo luthintela imiba emincinci ekubeni ingabiziindleko zokutshintsha.
Amanyathelo othintelo lokuNqanda umhlwa
Uthintelo lungcono kunonyango. Faka i-lacquers ecacileyo yokukhusela okanye i-sealants phezu kwensimbi ene-galvanized ukuze ungeze ukhuseleko olongezelelweyo, ngakumbi kwiindawo ezinzima. Kulumkele ukudibana ngokuthe ngqo phakathi kwesinyithi kunye nemathiriyeli yealkaline ephezulu njengesamente entsha, enokonakalisa i-zinc ngokukhawuleza. Yila izakhiwo zokuthintela ukudityaniswa kwamanzi okanye ukubambisa ukufuma kwintsimbi. Ukuqinisekisa ukuthuthwa kwamanzi okufanelekileyo kunye nokungena komoya ojikeleze izakhi zentsimbi. Xa uphatha okanye ufaka, nciphisa imikrwelo ngokusebenzisa iiglavu ezikhuselayo kunye nezixhobo ezinononophelo. Okokugqibela, cwangcisa uhlolo lwesiqhelo lokulondolozwa, ngakumbi emva kwemozulu embi okanye iimpembelelo zoomatshini.
Usetyenziso lweNtsimbi yeGalvanized
Ukusetyenziswa kuLwakhiwo nakwiziSeko ezinguNdoqo
Intsimbi yegalvanized isetyenziswa ngokubanzi kulwakhiwo kunye neziseko zophuhliso ngenxa yokumelana kwayo nomhlwa kunye nokuqina kwayo. Ibonakala kwiziseko zolwakhiwo, uphahla, kunye neepaneli zodonga. Iibhulorho kunye neendlela zokugada zendlela zikwaxhomekeke kwintsimbi efakwe igalvanized ukukhusela ixesha elide kwimozulu kunye nokunxiba. Ukukwazi kwayo ukumelana neemeko ezirhabaxa zangaphandle ngaphandle kokugcinwa rhoqo kwenza kube lukhetho olukhethwayo kwezi projekthi. Ngokomzekelo, iintsimbi zentsimbi ezigqunywe nge-zinc ziyakwazi ukunyamezela amashumi eminyaka emvula kunye nomoya, ukunciphisa iindleko zokulungisa kunye nexesha lokunciphisa.
Izinto eziluncedo kwiiSetingi zezoLimo
Kwezolimo, intsimbi ekhandisiweyo ixabiseke kakhulu kwizixhobo, ukubiyela, kunye neendawo zokugcina. Ixhathisa umhlwa obangelwa kukufuma, izichumisi nenkunkuma yezilwanyana, nto leyo enokukhawuleza ithobe intsimbi engacocwanga. Amasango efama kunye neekorali ezenziwe ngentsimbi ekhandiweyo zihlala zomelele kwaye zingenamhlwa ixesha elide, ziqinisekisa ukhuseleko kunye nokunciphisa ukuphindaphindeka kokutshintshwa. Ukongeza, ii-silos zentsimbi kunye neeshedi zikhusela izityalo ezigciniweyo kunye noomatshini kumonakalo wokusingqongileyo. Ukufikeleleka kwayo okudityanisiweyo nokumelana nomhlwa kuyenza ilungele ukusetyenziswa kwezolimo, apho ukuqina kubaluleke kakhulu.
Ukufaneleka kweMimandla engaseluNxwemeni neShishini
Iindawo ezingqonge unxweme nemizi-mveliso zicela umngeni kwisinyithi ngenxa yokutshizwa kwetyuwa, ukufuma, kunye nezingcolisi. Insimbi ene-galvanized yenza kakuhle kule mimandla kuba i-zinc coating inciphisa ukubola naphantsi kweemeko ezinobundlobongela. Ngelixa umoya wetyuwa ukhawulezisa ukunxiba kwe-zinc, iingubo ezityebileyo kunye nokugcinwa rhoqo kwandisa ubomi benkonzo kakhulu. Izityalo zemizi-mveliso zixhamla kwintsimbi ekhandisiweyo kwimibhobho, izakhiwo zenkxaso, kunye nezindlu zezixhobo kuba zimelana nokuvezwa kweekhemikhali ngcono kunentsimbi engenanto. Ngokomzekelo, iibhulorho eziselunxwemeni zihlala zisebenzisa intsimbi ekhandiweyo ukuxhathisa umhlwa osuka kumoya wolwandle onetyuwa, zigcina isidima sesakhiwo kangangeminyaka.
Iingenelo zokuSebenzisa iNtsimbi
Iindleko-Ngempumelelo xa kuthelekiswa nezinye izinto
Insimbi ene-galvanized inikezela ngesisombululo esinendleko kwiiprojekthi ezininzi. Xa kuthelekiswa nentsimbi engatyiwayo okanye ezinye iintsimbi ezikwaziyo ukugilana, ixabiso layo lisezantsi kakhulu. Utyalo-mali lokuqala luphantsi, kwaye luhlala lunciphisa iindleko zexesha elide ngokunciphisa ukugcinwa kunye neemfuno zokutshintsha. Ukuqina kwayo kuthetha ukulungiswa okumbalwa kunye nexesha elincinci lokunciphisa, okugcina imali ngexesha lokuphila kwesakhiwo okanye imveliso. Ngokomzekelo, ibhuloho eyakhiwe ngentsimbi enobumba inokufuna ukulungiswa okuncinci kunenye eyenziwe ngentsimbi engalungiswanga, ukunciphisa iindleko ezipheleleyo.
Ubomi obude kunye noKuhlala ixesha elide
Enye yeenzuzo ezinkulu zentsimbi yentsimbi kubomi bayo benkonzo ende. Ngombulelo kwi-zinc yokwambathisa, ixhathisa umhlwa kunye nokubola ngcono kakhulu kunentsimbi engenanto. Ubomi obuqhelekileyo busukela kwiminyaka engama-20 ukuya kwengama-50 kwindawo eqhelekileyo yangaphandle, kwaye ngokulungiswa okufanelekileyo, kunokuhlala ixesha elide. Uluhlu lwe-zinc lusebenza njengesithintelo sombingelelo, ukubola kuqala ukukhusela intsimbi engaphantsi. Le propati yokuziphilisa ithetha imikrwelo emincinci okanye umonakalo awuyi kukhokelela ngokukhawuleza kumhlwa, ukugcina imfezeko yesakhiwo ngokuhamba kwexesha. Kwiindawo ezirhabaxa ezinje ngeendawo eziselunxwemeni okanye zemizi-mveliso, i-coatings engqindilili kunye nokugcinwa rhoqo kunokwandisa ukuqina ngakumbi.
Iingqwalasela zokusiNgqongileyo noKhuseleko
Intsimbi ye-galvanized nayo iyindlela yokusingqongileyo. Ingubo ye-zinc ikhusela isinyithi kwi-corrosion, ukunciphisa isidingo sokutshintshwa rhoqo kunye nokunciphisa inkunkuma. Ukongeza, i-zinc yinto eyenzeka ngokwemvelo kwaye inokuphinda isetyenziswe kunye nentsimbi, ixhasa iinjongo zokuzinza. Ukusebenzisa intsimbi enamazimba nako komeleza ukhuseleko ngokuthintela ukusilela okunxulumene nomhlwa, okunokubangela ukudilika kwesakhiwo okanye iingozi. Ukuxhathisa kwayo kumhlwa kuthetha amasuntswana omhlwa anetyhefu ambalwa okanye ubutyobo, nto leyo eyenza ikhuseleke kubasebenzi kunye nokusingqongileyo. Ngaphezu koko, insimbi ene-galvanized ayifuni unyango lweekhemikhali ezinobungozi, ukunciphisa impembelelo yokusingqongileyo ngexesha lokuvelisa kunye nokusetyenziswa.
Ukuqukumbela
Isinyithi esinezinki sixhathisa umhlwa ngokusebenzisa i-zinc coating, enika ukhuseleko oluhlala ixesha elide. Ukugcinwa rhoqo, okufana nokucoca kunye nokuhlolwa, kwandisa ukuqina. Ilungele ulwakhiwo, ezolimo, kunye neendawo eziselunxwemeni okanye kwimizi-mveliso ngenxa yexabiso layo elisebenzayo kunye neenzuzo zokusingqongileyo. Ikamva liyathembisa, njengoko liqhubeka lisetyenziswa kumashishini awahlukahlukeneyo. I-Sino Steel inikezela ngentsimbi ephezulu, ukuhambisa ixabiso ngokufikeleleka kunye nokusebenza kwexesha elide. Iimveliso zabo ziqinisekisa ukuxhathisa okuthembekileyo kwi-corrosion, kubenza babe lukhetho oluhlakaniphile kwizicelo ezahlukeneyo.
FAQ
Umbuzo: Yintoni iGalvanized Steel?
A: Intsimbi yentsimbi yintsimbi eqatywe nge-zinc ngokusebenzisa i-galvanization yediphu eshushu, inika ukuxhathisa umhlwa kunye nokuqina.
Umbuzo: Ingaba iGati yentsimbi iyithintela njani irusi?
A: Ingubo ye-zinc kwi-Galvanized Steel isebenza njengesithintelo, i-oxidizing ukwenza umaleko okhuselayo okhusela intsimbi kumswakama kunye ne-oxygen.
Q: Kutheni ukhetha i-Galvanized Steel ngaphezu kwezinye iingubo?
A: Intsimbi yeGalvanized inikezela ngokujiya, icoat ehlala ixesha elide kunepeyinti okanye i-electroplating, iyenza ilungele ukuxhathisa umhlwa ixesha elide.
Umbuzo: Ingaba intsimbi yentsimbi ingavuthwa kwiindawo eziselunxwemeni?
IMPENDULO: Ewe, iGalvanized Steel inokurusa kwiindawo ezingaselunxwemeni ngenxa yokuvelelwa yityuwa, kodwa ukugquma okungqindilili kunye nokugcinwa kwayo kunokwandisa ubomi bayo.
