Ewe, ungenza ngempumelelo umgubo wedyasi yentsimbi ukwenza i 'duplex system' eyomeleleyo enikezela ukuxhathisa okungaphezulu kokuhlwa. Ukudibanisa la maleko mabini ahlukeneyo akhuselayo kudala ukugqitywa kobuhle obukwaziyo ukusinda kubume bemizi-mveliso.
Nangona kunjalo, umphezulu omtsha owenziwe yizinki awukakulungeli ngokwendalo ukogqunywa ngumgubo uphuma nje ebhafini. Ngaphandle kokulungiswa okungqongqo komzimba kunye neekhemikhali zomphezulu, ukutyabeka kwakho okukhuselayo kuya kuba nengxaki yokukhupha umoya, ukubetha, kunye nokudilizwa yintlekele. Awukwazi ukutshiza nje umgubo phezu kwe-zinc kwaye ulindele ukuba ibambelele kwixesha elide.
Esi sikhokelo saphula ingqiqo yobunjineli emva kweengubo eziphindwe kabini kunye nemigibe eqhelekileyo ekufuneka uyiphephe. Siza kuphonononga iiprothokholi ezingqongqo zokulungiselela i-ASTM ezifunekayo ukubambelela ngokuqinileyo. Siza kubonelela ngeendlela zokuvavanya ukukunceda uchaze ngokufanelekileyo izixhobo ezigqunywe ngumgubo kwiprojekthi yakho elandelayo yokwakha okanye yokuvelisa.
Izinto eziphambili zokuThatha
I-2.5x i-Multiplier: Ukudibanisa i-powder powder kunye ne-hot-dip galvanizing inikeza umphumo we-synergistic, ukwandisa ixesha lokuphila kwentsimbi ukuya kumaxesha angama-2.5 ubude kunokuba nayiphi na ingubo yodwa.
Usongelo oluphumayo: ukufuma kunye negesi ebanjiweyo kumqolo wezinc iya kwanda ngexesha lokunyangwa komgubo, kubangele imingxunya. Okunyanzelekileyo 'ukubhaka kwangaphambili' kuphela kokunciphisa okuthembekileyo.
Ifestile ye-Oxidation: I-Zinc iyasebenza kakhulu. Emva kokuba iphrofayili, amacandelo e-galvanized kufuneka afakwe kwi-shift efanayo yomsebenzi (ngokufanelekileyo phantsi kweeyure ze-12) ukukhusela ukubunjwa kwe-zinc oxide engabonakaliyo.
Ukuthotyelwa okusemgangathweni: Isicelo esiyimpumelelo sidinga ukuthotyelwa ngokungqongqo kwi-ASTM D7803 kunye ne-SSPC-SP 16 izikhokelo zokulungiselela umphezulu.
1. Imeko yoShishino: Kutheni uTyala imali kwiDuplex System?
Ukuqonda intsebenziswano phakathi kweengubo zomgubo kunye nezinki zibalulekile. Udala umphumo wokukhusela we-synergistic xa udibanisa. I-polyester okanye i-epoxy powder isebenza njengesithintelo esinzima somzimba. Igxotha ukufuma, iikhemikhali ezirhabaxa, kunye nokugruzuka emzimbeni. Ukuba i-scratch enzulu iphula lo mqobo, i-zinc layer iyasebenza. Ibonelela ngokukhuselwa kwe-anodic yedini, i-corroding kuqala ukugcina intsimbi engenanto ikhuselekile kumhlwa.
Le ndlela inemaleko amabini inciphisa kakhulu imijikelo yokulondolozwa komjikelo wobomi. Iindleko zesicelo sokuqala ziphezulu ngokwemvelo kunenkqubo yokwambathisa enye. Nangona kunjalo, ukwehla okukhulu kulondolozo oluqhubekayo kwenza iinkqubo eziphindwe kabini zibe neendleko eziphezulu. Iziseko ezingundoqo kunye neeprojekthi zoyilo zixhamla kakhulu kolu kuqina okwandisiweyo. Kunqabile ukuba ufune ukuvala imisebenzi yokupeyinta ngokutsha okungalindelekanga okanye ukuthomalalisa umhlwa.
Uzinzo lukwadlala indima enkulu kwiinkcukacha zale mihla. Ukugquma komgubo kukhupha izinto ezikhutshwayo eziziro Volatile Organic Compound (VOC). Ngaphaya koko, nasiphi na isipreyi sibanjwa ngokulula kwaye siphinde sisetyenziswe. Ukusebenzisa izinto ezigqunywe ngumgubo kunokufaka isandla ngokuthe ngqo kwiikhredithi zesatifikethi se-LEED, ngakumbi kumgangatho wokusingqongileyo wangaphakathi. Abacwangcisi bazixabisa kakhulu ezi zixhobo zokwakha ezikhutshwa kancinci.
Okokugqibela, iinkqubo eziphindwe kabini zibonelela ngezinto ezininzi eziguquguqukayo. Isicelo silinganisa kakuhle kwiisayizi ezahlukeneyo zeprojekthi. Ungayifaka kwimiqadi yentsimbi eyakhiwe ngebhetshi enkulu. Ungayisebenzisa kwakhona ngokuqhubekayo ukusetyenzwa kwekhoyili yentsimbi . Uninzi lwemigca yokuvelisa ezenzekelayo ixhomekeke kuyo izinto ezenziwe ngentsimbi ekhandiweyo ezifika zifakwe ngaphambili kwaye zilungele ukwenziwa.
2. Imingeni yobuNjineli obuPhambili: Ukukhupha i-Outgassing kunye ne-Reactive Zinc
Ukufaka umgubo phezu kwentsimbi etshisiweyo yediphu kwazisa imiqobo ethile yobunjineli. Owona mba ubalaseleyo ngumcimbi wokukhupha umoya. Ngexesha lenkqubo ye-galvanizing, iipokotho ze-microscopic zokufuma kunye negesi zibanjiswa ngaphakathi kwe-zinc surface. Kamva, inxalenye ingena kwi-oven yokunyanga ukunyibilikisa i-powder coating. Le oveni iqhele ukujikeleza i-180°C (356°F).
Njengoko isinyithi sitshisa, iigesi ezibanjiweyo zanda ngokukhawuleza. Banyanzelisa indlela yabo yokuphumela ngaphandle ngepolyester enyibilikayo okanye i-epoxy layer. Oku kuphuncuka kobundlobongela kudala amaqamza abonakalayo, imingxuma, kunye nemingxunya. Ezi pinholes ziyonakalisa ukugqitywa kobuhle. Okona kubi, babonelela ngemijelo ethe ngqo yokufuma ukugqitha umqobo okhuselayo womgubo.
Omnye umngeni omkhulu ubandakanya umgibe ongabonakaliyo we-zinc oxide. I-Zinc yintsimbi esebenza kakhulu. Iqala ukufakwa kwi-oxidizing ngoko nangoko ekuvezweni kweoksijini esemoyeni. Uninzi lwabantu luqaphela 'umhlwa omhlophe' njengophawu lwe-zinc oxidation. Nangona kunjalo, iileya ze-zinc oxide ezincinci zenza ixesha elide ngaphambi kokuba kuvele umhlwa omhlophe. Lo maleko ungabonakaliyo usebenza njengekhaka lothuli oluncinci. Itshabalalisa ngokupheleleyo i-powder coating adhesion xa ingashiywanga.
Ukuguga okuguga ngakumbi kwenza nzima isicwangciso sakho sokulungiselela. Indlela yakho kufuneka itshintshe ngokusekelwe kwiminyaka echanekileyo ye-zinc surface. Isinyithi esandula ukwenziwa ngamagalvanized (ngaphantsi kweeyure ezingama-48 ubudala) sidinga ukuphathwa okwahluke ngokupheleleyo kunezinki enemozulu embi (evezwa ukuya kutsho kunyaka omnye). I-zinc entsha idinga iprofayile yomphezulu ondlongondlongo. I-zinc enemozulu ifuna ukucocwa kakhulu kweekhemikhali ukuze kususwe ii-hydroxides ezinenkani kunye ne-carbonates ngaphambi kokuba uqale ukwenza iphrofayili.
3. I-ASTM D7803 yokuLungiselela iMigangatho yokuNciphisa uMngcipheko
Ukuthintela i-delamination kunye ne-pinholing, kufuneka ulandele amanyathelo achanekileyo achazwe kwi-ASTM D7803. Lo mgangatho uyalela ukulungiswa okufanelekileyo kweengubo ezishushu zediphu ukuze kufakwe umgubo.
Inyathelo loku-1: Ukucocwa kweekhemikhali kunye nezinyibilikisi
Kufuneka kuqala ususe zonke izinto ezingcolisa indalo, ioyile, kunye negrisi. Iziphene zomzimba ezifana namaqhuma, ukubaleka, kunye ne-zinc drip nazo zifuna ukucolwa ngononophelo. Sebenzisa izisombululo ze-alkaline ezibuthathaka okanye ezibuthathaka kwi-acidic yokuhlamba imichiza. Ungaze usebenzise iikhemikhali ezibukhali ze-caustic. Abahluli abanobundlongondlongo baya kutshabalalisa ngokupheleleyo umaleko we-zinc okhuselayo. Soloko uhlanjululwa kakuhle ngamanzi acocekileyo kwaye uqinisekise ukuba yomile ngokupheleleyo phambi kokuba uqhubeke.
Inyathelo lesi-2: Iprofayile yomphezulu (SSPC-SP 16)
Indawo egudileyo yezinc ayinakubamba ipeyinti yomgubo. Kufuneka wenze iprofayile yeankile encinci. Nangona kunjalo, umgangatho wokuqhushumba onzima onzima utshabalalisa intsimbi. Ikrazula i-zinc ngqo kwi-substrate yentsimbi.
Endaweni yoko, umgangatho we-SSPC-SP 16 ufuna indlela ethile 'yokuTshayela uQhubhozo'. Abaqhubi kufuneka basebenzise i-non-metallic, i-abrasives yobunzima obuphantsi (ubunzima be-Mohs isikali ≤ 5). Iglasi etyumkileyo okanye iigobolondo ze-walnut zisebenza ngokugqibeleleyo. Umbhobho wokuqhushumba kufuneka uhlale kwi-engile enganzulwanga 30° ukuya kuma-60°. Esi senzo sokutshayela ngocoselelo sibeka kancinci umphezulu. Yenza amanqaku e-ankile ayimfuneko ngaphandle kokuhlutha i-zinc esulungekileyo ebalulekileyo (Eta) umaleko ophezulu. Ezinye iindawo zikwasebenzisa iprofayile yekhemikhali kusetyenziswa izinki okanye unyango lwe-iron phosphate njengenye indlela esebenzayo ekutshayeleni.
Inyathelo lesi-3: Ukususwa kwe-Thermal Degassing (Ukubhaka kwangaphambili)
Eli linyathelo lakho elibalulekileyo lokulawula umngcipheko ukunqanda ukukhupha umoya. Ngaphambi kokufaka nayiphi na i powder, kufuneka ubhake kwangaphambili intsimbi engenanto, eneprofayili. Ubushushu be-oveni kufuneka bubekwe kwi-30°C (~50°F) ngaphezulu kunobushushu bokugqibela bokunyanga umgubo. Kufuneka ubambe intsimbi kobu bushushu buphakamileyo kangangeyure enye ubuncinane.
Obu bushushu bugqithisileyo bunyanzelela ukufuma kunye neegesi ezibanjiweyo ukuba zande kwaye zibaleke ngelixa isinyithi sisagqunywe. Ngethuba usebenzisa i-powder yangempela, i-microscopic pores ayinanto ngokupheleleyo. Aziyi kugqabhuka ebudeni benqanaba lokugqibela lokuphilisa.
Inyathelo 4: Isicelo esiKhawulezayo (Ifestile yeXesha)
Ixesha lolona tshaba lwakho lukhulu xa umphezulu ucocekile kwaye uneprofayili. Ujongene nefestile yexesha elingqongqo lokusebenzisa i-primer anti-outgassing kunye ne-topcoat yokugqibela. Imigangatho yeshishini ifuna isicelo kwisithuba seeyure ezili-12 zokwenziwa kweprofayile. Ngokufanelekileyo, kuya kufuneka ugqibezele yonke inkqubo ngaphakathi kweshifti efanayo yomsebenzi. Ukulibazisa isicelo kuvumela i-zinc oxide engabonakaliyo ukuba ihlaziye, nto leyo eya kuphazamisa ngokukhawuleza ukunamathela kwakho.
Itshathi yesiShwankathelo: Ukuqukuqela koLungiselelo lwe-ASTM D7803
Inyathelo |
Igama Lenkqubo |
Isenzo esingundoqo |
Injongo ephambili |
1 |
Ukucoca ngemichiza |
Faka izisombululo ezibuthathaka ze-alkaline/ezineasidi |
Susa i-oyile, izinto eziphilayo, kunye ne-zinc drips. |
2 |
Tshayela Ukuqhushumba |
Sebenzisa i-Mohs ≤ 5 abrasives kwi-angle ye-30 ° -60 ° |
Yenza iprofayili ye-anchor yomatshini ngaphandle kokulahlekelwa zinc. |
3 |
Ukukhutshwa kwe-Thermal Degassing |
Bhaka ku +30 ° C ngaphezu kweqondo lokushisa lokunyanga iyure enye |
Nyanzelisa iigesi ezivalelekileyo ukunqanda imingxunya yexesha elizayo. |
4 |
Isicelo esiKhawulezayo |
Faka umgubo kwiiyure ezili-12 |
Thintela i-zinc oxide engabonakaliyo ekonakaliseni ukunamathela. |
4. Iigalvanized vs Galvannealed Steel: Ichaza i-Substrate eLungileyo
Ukucaciswa kwezinto eziphathekayo kunempembelelo enzulu kwimpumelelo yenkqubo yakho ye-duplex. Kuya kufuneka uqonde umahluko phakathi kwentsimbi eqhelekileyo eshushu-diphu negalvannealed. I-galvanizing esemgangathweni yedip-dip ivelisa umaleko we-zinc ocacileyo, ococekileyo ophezulu. Ihlala ibonisa ipateni ye-spangle ebonakalayo. I-Galvannealing yongeza inkqubo ye-annealing eyongezelelweyo (yokufudumala) ngokukhawuleza emva kokuhlamba i-zinc.
Obu bushushu buninzi bubangela ukuba intsimbi esuka kwintsimbi engaphantsi isasazeke iye phezulu kwi-zinc. Yenza umaleko oqinileyo we-zinc-iron alloy. Oku kutshintsha ukubonakala okubonakalayo kwi-matte grey finish. Okona kubaluleke kakhulu, iguqula ngokumangalisayo ukuhambelana komgangatho womphezulu.
Galvannealed steel features a ngokwendalo micro-rough surface. Isebenza njengesiponji esincinci. Ipeyinti kunye neengubo zomgubo zidibana ngokulula ngakumbi kule ngxubevange. Ngenxa yoko, imathiriyeli eyenziwe ngegalvanneal ihlala ifuna uqhushumbo olunobundlongondlongo xa kuthelekiswa nemathiriyeli yesiqhelo yokudipha. Umngcipheko we-delamination wehla kakhulu.
Abathengi kufuneka bawuthathele ingqalelo lo mahluko ngononophelo ngexesha lokuthenga. Ukuchaza umgangatho Intsimbi eyiGalvanized Steel idla ngokukhethwa kwindawo enzima yesakhiwo apho kufuneka ubuninzi bombingelelo wezinki. Nangona kunjalo, ukuba wenza iipaneli zesixhobo esichanekileyo okanye iinxalenye zemoto, khankanya imathiriyeli enegalvannealed endaweni yoko. Ibonelela ngepeyinti egqwesileyo ngqo ngaphandle komgca, inciphisa iindleko zakho zokulungiselela imichiza.
Itheyibhile yokuthelekisa izinto
Uphawu |
Intsimbi eGatiweyo esemgangathweni |
Intsimbi yeGalvannealed |
Ukuqamba |
I-zinc ecocekileyo yangaphandle (i-Eta layer) |
I-Zinc-iron alloy top layer |
Imbonakalo |
Iyacwebezela, ihlala inezipantshi ezibonakalayo |
I-Matte grey, ukuthungwa okufanayo |
Powder Affinity |
Ifuna iprofayile yokutshayela ngokungqongqo |
Ngokwendalo micro-rough; ukubambelela kwisiseko esiphezulu |
Engcono Kwi |
Iziseko ezingundoqo ezinzima, iimfuno zomaleko wombingelelo omkhulu |
Imigca ezenzekelayo, iimveliso ezipeyintiweyo eziphezulu |
5. UVavanyo loMthengisi: Indlela yokuLuhluza uLuhlu olufutshane loMlingane wokuTyala
Ukufaka umgubo phezu kwezinc kufuna izixhobo ezikhethekileyo kunye nolwazi olunzulu lobuchwephesha. Izigqubuthelo zomgubo eziqhelekileyo zidla ngokuyonakalisa iindawo ezifakwe amazinki kuba ziziphatha njengentsimbi engenanto. Kuya kufuneka uvavanye ngokungqongqo abathengisi abanokubakho ngaphambi kokuba unikezele ngesivumelwano.
Buza le mibuzo ibalulekileyo ye-QA ngexesha lenkqubo yakho yokuhlola:
Ngaba bazinikele ii-oveni ezibhaka kwangaphambili ezikwaziyo ukufikelela kumaqondo obushushu ayimfuneko? Iivenkile ezininzi ezincinci ziswele amandla e-oveni ukufikelela kuma-30°C ngaphezulu kobushushu obuqhelekileyo bokunyanga.
Ngaba izibonelelo zokugalela kunye nomgubo wokugquma zibekwe kunye okanye zilungelelaniswe ngokusondeleyo? Amalungiselelo abalulekile. Ukuba umthengisi kufuneka alorile i-zinc engenanto kulo lonke ilizwe, banokuphoswa yifestile engqongqo yeeyure ezili-12.
Ngaba basebenzisa ii-primers eziqinisekisiweyo zokulwa nokuphuma? Abathengisi bomgangatho bafaka ii-primers ezikhethekileyo ngelixa isinyithi sisatshisa. Oku kutywina iipores ngaphambi kokuba idyasi yombala wokugqibela iqhubeke.
Qaphela iiflegi ezibomvu zangoko. Ukuba umthengisi ucebisa ukuba banxibe intsimbi esandul' ukugalelwa ngokukhawuleza ngaphandle kokutshayelwa, hamba. Ukuba babanga i-thermal degassing yindleko eyongezelelweyo engeyomfuneko, fumana elinye iqabane. Iindlela ezimfutshane zenkqubo zihlala zikhokelela kwi-peeling coatings.
Ukuqukumbela
Ukugquma ngomgubo phezu kwentsimbi ekhandiweyo kwenza inkqubo esebenza ngokuphindwe kabini esebenzayo, kodwa ihlala iyinkqubo yokungaxoleli kakhulu. Awukwazi ukungayihoyi i-physics yokwandisa iigesi okanye i-chemistry ye-zinc esebenzayo. Ukulungiswa komphezulu odlulayo kubangela ukusilela kobuhle kunye nokhuseleko lokuthotywa komhlwa.
Thatha la manyathelo alandelayo ajolise kwiiprojekthi zakho ezizayo:
Tshixa i-ASTM D7803 kunye ne-SSPC-SP 16 iimfuno zamalungiselelo ngqo kwiSicelo sakho seziPhakamiso (RFPs).
Funa ubungqina obubhaliweyo benkqubo yeyure e-1 yokususa igasi kwangaphambili kumfaki-sicelo omkhethileyo.
Qinisekisa unxibelelwano olucacileyo, lwexesha langempela phakathi kwe-galvanizer ye-hot-dip kunye ne-powder applicator ukuqinisekisa ukuba i-window yesicelo seeyure eziyi-12 idibene.
Qinisekisa ukuba lonke uqhushumbo lusebenzisa iziqhoboshi ezinobulukhuni obuphantsi ukukhusela umqobo obalulekileyo we-zinc.
FAQ
Umbuzo: Ngaba intsimbi eyenziwe ngumgubo irusi?
IMPENDULO: Iyakwazi ukumelana nomhlwa. Umhlwa ngokuqhelekileyo uvela kuphela ukuba iingubo zigutyungelwe ngokunzulu ngaphaya komqobo kunye ne-zinc layer. Ingenzeka kwakhona ukuba ukuvezwa okuqhubekayo kumaqondo obushushu angaphezulu kwama-250 ° C (480 ° F) kubangela ukuba i-zinc ephantsi ingaphumeleli.
Umbuzo: Ngaba unganxiba idyasi yomgubo phezu kwentsimbi endala, enezinki?
A: Ewe, kodwa ifuna ukucocwa kweekhemikhali ezinzima kakhulu. Kufuneka ususe ngokupheleleyo i-zinc hydroxides kunye ne-carbonates (ipatina engwevu) usebenzisa izisombululo ezikhethekileyo zealkaline okanye ezineasidi ngaphambi kokuba isinyithi sifakwe ngokukhuselekileyo kwaye sibhakwe kwangaphambili.
Q: Kwenzeka ntoni xa utsiba inkqubo yokubhaka kwangaphambili?
A: Iigesi ezibanjiweyo kunye nokufuma kuya kukhulula ngamandla ngexesha lokunyanga komgubo wokugqibela. Oku kubangela ukuthungwa, ukugqitywa kokuphazamiseka okugcwele imingxuma ebonakalayo. Ezi pinholes zivumela ukufuma ukuba kudlule umqobo womgubo ngokupheleleyo, ukoyisa injongo yenkqubo ye-duplex.
