Ba injeniyeri n'abubatsi barashima cyane Icyuma cya Galvanised kubwikiza cyacyo, igitambo cya zinc. Iyi barrière itangaje ikora nkurwego rwo kwirinda ruswa. Ariko, ntabwo irinzwe rwose guteshwa agaciro. Ibidukikije byangiza imiti hamwe nubushyuhe bukabije birashobora gusenya urwego rwokwirinda byihuse.
Abafata ibyemezo benshi bahura nikibazo cyihishe murwego. Gutegura neza kubutaka, gutwikira hejuru, cyangwa gahunda idahwitse irashobora kwambura zinc layer. Iyo ibi bibaye, wihutisha ruswa aho kuyikumira. Ugomba gusobanukirwa na chimie yoroheje ya zinc kugirango wirinde gutsindwa kwumushinga.
Iyi ngingo itanga urwego rukomeye rwo gusuzuma impuzu zirinda. Tuzashyiraho protocole isobanutse kubikoresho byawe. Uzamenya kandi uburyo bwo gukora inganda-urwego rwo hejuru rwo gutegura ibikoresho bibisi nka a urupapuro rwicyuma hamwe nibikoresho byahimbwe.
Ibyingenzi
Kurinda zinc patina bisaba amezi 6 kugeza 24 kugirango ikirere cyuzuye; gutwikira zinc idahiye idafite imyiteguro yihariye yemeza gutsindwa kwa adhesion.
Ibidukikije bikabije (hafi 100 ° C + ubuhehere buke) birashobora gutuma 'polarite ihinduka, ' bigatuma zinc yihuta-aho gukumira-kwangirika kwibyuma.
Isuku yumurongo igomba gukora cyane muri pH iri hagati ya 6 na 12; imvura ya acide cyangwa alkaline bleach izashonga urwego rwa zinc.
Gukuramo imashini (nko koza insinga cyangwa kumusenyi birenze) bikuraho zinc ikora, bigatera okiside yo mu kirere ako kanya.
Inganda zirenga inganda zisaba kubahiriza byimazeyo ibipimo biturika (SSPC-SP 16) no kugenzura hakoreshejwe ibizamini bya chromate (ASTM B 201).
Ibyingenzi: Gusobanukirwa Gutesha agaciro na 'Guhindura Polarite '
Ntushobora kurinda substrate metallic utumva chimie yibanze. Imiti isanzwe ya zinc ifite imipaka itandukanye. Tugomba kumenya imipaka kugirango dushyireho ingamba zikwiye zo kurinda.
Uburyo bwo Kwikiza
Zinc ikora nka anode yo gutamba. Muri reaction ya electro-chimique, zinc ishyira imbere okiside yayo. Ihita ireka electron zayo kugirango irinde ibyuma byimbere. Niba umuntu ashushanyije hejuru, zinc ikikije izitabira gukuramo icyuho. Ibi kumubiri no mumashanyarazi birinda ibyuma byoroshye munsi.
Ibidukikije (Iyo Zinc Yatsinzwe)
Nubwo ishobora kwihangana, ubu buryo bwa anode bwibitambo bufite imipaka ikabije y’ibidukikije. Kurenga izi mbago zibangamira ibintu byihuse.
pH Ihohoterwa: Zinc isaba ibidukikije bya pH bihamye. Yangirika vuba hanze yidirishya rya pH rifite umutekano wa 6 kugeza kuri 12. Umwanda mwinshi w’inganda utera imvura ya aside, bigatuma urwego pH rwibidukikije rugera kuri 4 cyangwa munsi. Ibinyuranye, imiti ikarishye ya alkaline irenze pH 12.Impande zombi zisenya inzitizi yo gukingira.
Ruswa ya Galvanic: Guhuza kumubiri hagati yibyuma bisa birasenya cyane. Niba ushize icyuma kidakora cyane, nkumuringa cyangwa umuringa, ugereranije na zinc, bitera gukoresha amashanyarazi byihuse. Zinc yigomwe rwose kugirango irinde umuringa wegeranye, hasigara ibyuma byambaye ubusa.
Ubuharike Bwihindura
Ubushyuhe nubushuhe byerekana uburyo bwo gutsindwa bikabije bizwi nka polarite reversal. Ibi mubisanzwe bibaho mubushyuhe bwinshi bwegereye 100 ° C hamwe nubushuhe bwinshi. Ibiraro byubuhinzi, ibikoresho byoza ibyuka, ninganda zitunganya inganda zishyushye bikunze guhura nibi bintu.
Muri ibi bihe byubushyuhe bwihariye, chimie yo hejuru irahinduka. Zinc ifata gukora okiside ya zinc (ZnO) na hydroxide ya zinc (Zn (OH) ₂). Izi nteruro zihindura ubushobozi bwamashanyarazi ya zinc rwose. Zinc ihinduka cathode, kandi ibyuma byimbere bihinduka anode. Sisitemu ikora muburyo butandukanye. Aho kwigomwa, zinc yihutisha kwangirika kwicyuma.
Urwego rwo gukemura: Gusuzuma Icyiciro cya kabiri cyo Kurinda
Rimwe na rimwe, urwego rwibanze rwa zinc rusaba imbaraga za kabiri. Abaguzi bagomba guhitamo igisubizo cyamakoti meza kuri a icyuma gisya cyangwa urupapuro rwuzuye. Icyemezo gikurikira matrix kigabanya ibyiciro bitatu byibanze.
1. Ikoti risobanutse (Aesthetic & Light Duty)
Koresha Urubanza: Ikoti isukuye ikora neza mugihe ushaka kubika ubwiza bwubwiza bwumwimerere mugihe wongeyeho UV na okiside irwanya.
Ibipimo by'isuzuma:
Gloss & Transparency: Reba ibicuruzwa byerekana urwego rurenze 90. Ibi byemeza ko urumuri rukabije ruguma rugaragara. Ibipimo byo hasi bya gloss bizagabanya kurangiza.
Imiterere: Ugomba guhitamo hagati ya High-Solids coatings hamwe na Turbo yumye vuba. Amahitamo menshi-Solide atanga firime nini hamwe nimbaraga nke zihindagurika (VOC). Mubisanzwe bakeneye amasaha 36 kugeza 48 yo gukira. Amakoti ya Turbo yumye vuba ariko atanga uburinzi bworoheje.
Imipaka: Zinc nziza cyane zinc akenshi yanga amakoti asanzwe. Hatariho uburyo bwihariye bwo guhuza, ikoti risobanutse izahita ikuramo impapuro nini.
2. Impuzamikorere-Polymer & Polyester Coatings
Koresha Urubanza: Ukeneye iyi myenda kugirango ubushuhe bukabije nubushuhe bukabije. Niba polarite ihindagurika nikibazo kizwi mukigo cyawe, amarangi asanzwe azananirwa.
Ibipimo by'isuzuma: Sisitemu ya polymer cyangwa polyester ikora nka bariyeri yumubiri nubushyuhe. Igabanya rwose ubushuhe nubushuhe. Mugutandukanya icyuma mubidukikije 100 ° C, urinda imitungo ya zinc neza.
3. Sisitemu yo gusiga amarangi mu nganda & Zinc-ikungahaye cyane
Koresha Urubanza: Hitamo sisitemu zo kurinda imirimo iremereye kurinda inganda zangirika cyane.
Ibipimo by'isuzuma: Niba umushinga udasanzwe utegetse gushushanya, ugomba gukoresha ibyuma-byerekanwa na zinc-bikungahaye kuri primers. Irangi risanzwe ryubucuruzi ribura imiti ikenewe kuriyi substrate. Irangi risanzwe rizashishwa vuba bitewe nubuso burebure bwa zinc.
Igishushanyo cya kabiri cyo kugereranya
Icyiciro |
Ikoreshwa ryibanze |
Ibyiza by'ingenzi |
Imipaka ikomeye |
Ikoti risobanutse |
Kubungabunga ubwiza, gukoresha inyubako zo murugo |
Igumana ibyuma bisa, birwanya UV |
Akenshi byangwa na zinc nshya idahiye |
Polymer / Polyester |
Inzu ya pariki, ahantu hashyushye |
Irinde polarite yumuriro guhinduka |
Irasaba gusaba neza uruganda |
Zinc ikungahaye kuri Primers + Irangi |
Inganda zikomeye, zubaka ibyuma |
Inzitizi ntarengwa yumubiri nu miti |
Irasaba gusiba cyane guturika |
Gutegura Ubuso Bwinganda: Bottleneck
Ubuso bubi busobanutse nibintu bisanzwe byo kunanirwa muri B2B. Urashobora kugura polymer ihenze cyane iboneka. Bizakomeza kunanirwa niba substrate ibuze imyiteguro ikwiye.
Igihe cyo gusaza (Ibishya na Weather Weather)
Ibyuma bishya bitwara bitandukanye nibyuma bishaje. Ibikoresho bikozwe bishya birimo okiside ibangamira. Ababikora akenshi binjiza icyuma mubwogero bwa chromate kugirango babuze gutinda hakiri kare. Ugomba kugerageza kuriyi chromate itagaragara ukoresheje ASTM B 201 isanzwe. Niba chromate ihari, amarangi ntazakomeza.
Turasobanura leta 'ikirere ' nkibintu byiza byo gutwikira. Bifata amezi 6 kugeza 24 yo hanze yo hanze kugirango habeho gukora zinc karubone ihamye. Iyi patina karemano irakabije kandi byoroshye kwakira impuzu ya kabiri idateguwe neza.
Ubuso bwerekana umwirondoro (SSPC-SP 16)
Niba udashobora gutegereza amezi 24 kugirango ikirere gisanzwe, ugomba gukora ibishushanyo mbonera. Igipimo cya SSPC-SP 16 gitegeka neza ibisobanuro biturika bikenewe kubikoresho byikirere.
Abrasive Parameter: Ugomba gukoresha cyane micron 200 kugeza 500 (mil 8 kugeza 20 mil) itangazamakuru ryangiza. Ibi birema impinga ya microscopique ikenewe hamwe nibibaya bya primer adhesion.
Kugabanya ingaruka: Gucisha umusenyi gakondo birabujijwe rwose. Kurenga-guturika bizambura zinc burundu. Iyi mpanuka isubiza ibintu bihenze gusubira mubyuma byambaye ubusa. Abakozi bagomba gukoresha umuvuduko wihuse, woza mugihe cyo guturika.
Porogaramu Yibanze
Zinc zerekanwe, zinc zikorana na ogisijeni ibidukikije ako kanya. Ntushobora gusiga ibiti byubatswe bishya bicaye mu gikari ijoro ryose. Primer igomba gukoreshwa muburyo bumwe bwo gukora. Gutinda kwose kwemerera microscopique oxyde kuvugurura, gusenya umwirondoro wa adhesion waremye.
Gufata neza Protokole: Kwirinda Kwubaka Imiti nu mubiri
Abashinzwe ibikoresho bakeneye ibikorwa bisobanutse no Kubungabunga (O&M). Kwitaho neza buri gihe birinda umwanda ukaze kurya unyuze kuri barrique.
Ibipimo bisanzwe byogusukura
Gukaraba neza bikuraho umunyu wangirika hamwe n ivumbi ryinganda. Nyamara, uburyo bwo gukora isuku bukabije butera kwangirika burundu.
Imipaka yo gukaraba: Gabanya ibikoresho byawe byo gukaraba kugeza kuri 1450 psi. Kurenza uyu muvuduko bitera gusibanganya umubiri wa zinc patina.
Guhitamo ibikoresho: Koresha ibikoresho byoroheje, bitabogamye-pH byonyine. Ishyirahamwe ryabanyamerika Galvanizers (AGA) rirasaba ibisubizo byoroshye nka Simple Green® cyangwa vinegere yera. Ibi bivanaho umutekano muke udahinduye chimie yicyuma.
Intego yo Kwanduza
Ibicuruzwa bitandukanye byinganda bisaba kuvura imiti yihariye. Buri gihe ushyire mubikorwa ibisubizo witonze kandi woge ako kanya ako kanya.
Ahantu h'amazi no Koroha: Koresha ammonia yo mu rugo ivanze kugirango uzamure ikizinga. Ukeneye amazi meza ako kanya nyuma yo kwoza hejuru.
Rust Runoff na Cement Splatter: Mugihe ibyuma byegeranye byegeranye bitonyanga ingese hejuru yicyuma cyawe, koresha isuku ishingiye kuri aside ya oxyde. Acide yibasira okiside yicyuma idateye cyane zinc.
Graffiti: Kuraho irangi udashaka ukoresheje irangi ritari alkaline. Koresha ibinini hanyuma ukureho irangi witonze ukoresheje ibikoresho bya pulasitiki cyangwa ibiti. Ntuzigere ukoresha ibyuma byuma.
Itegeko 'Nta Gutera Imashini ' Itegeko
Ugomba kubuza rwose koza insinga cyangwa ibishishwa byumusenyi mugihe cyo kubungabunga. Abakozi bashinzwe gufata neza bakunze kwibeshya ingese yera kandi bakagerageza kuyikuramo. Gukoresha imashini ntabwo 'bisukura ' hejuru. Bakuraho burundu patina ikingira. Ibi birerekana zinc nshya cyane mukirere, byemeza ko byangirika vuba.
Gukosora byihuse: Gusana ibishushanyo hamwe nicyuma cyerekanwe
Kwangirika kumubiri bikomeza mugihe cyo gutambuka cyangwa kwishyiriraho bisaba igisubizo cyihuse cyibikorwa bisanzwe (SOP). Forklifts ishushanya ibiti, n'abayishyiraho ibikoresho.
Idirishya ryo Gusana
Gouges physique yinjira muri zinc ikamanuka munsi yicyuma itera iterabwoba rikomeye. Ugomba gukemura ako kanya ibishushanyo byimbitse. Iyo itavuwe, ubuhehere bwibidukikije buzagera ku cyuma cyambaye ubusa. Ingese izatangira kunyerera munsi yikingirizo idakikije, itera kwangirika kwinshi.
Zinc Spray SOP (Gukosora iminota 15)
Urashobora gusana ibyangiritse byihuta ukoresheje ubu buryo bwageragejwe.
Intambwe ya 1: Menya neza ko ahantu hegereye rwose. Ihanagura amavuta yimashini, igikumwe, cyangwa umukungugu wubaka ukoresheje umwenda utagira lint.
Intambwe ya 2: Koresha irangi ryinshi rya zinc. Ubucuruzi bwa zinc butandukanye burimo umukungugu wa microscopique zinc uhagarikwa mumurongo uhuza. Iyi formulaire yigana cyane imiterere-yo kwikiza kandi yoroheje yimyenda yumwimerere.
Intambwe ya 3: Koresha spray iringaniye kuri gouge. Ntukarengere ako karere. Emera bisanzwe-iminota 15 yubuso-bwumye mbere yo gukora cyangwa gushiraho ibice imbere.
Umwanzuro
Kurinda shingiro bishingiye cyane cyane kuburinganire bwiza bwa pH no kwirinda ibyangiritse. Gusobanukirwa aho ibyuma byawe bigarukira byerekana kuramba no kuba inyangamugayo.
Turagira inama abafata ibyemezo guhuza uburyo bwabo bushingiye kubidukikije. Kubidukikije bisanzwe byo hanze, emera gusa zinc karubone ya patina gukora mugihe runaka. Kubikorwa birimo ubushyuhe nubushuhe bukabije, ugomba kwerekana uruganda-rukoreshwa na polymer kugirango ukingire polarite. Kurenza inganda ziremereye cyane, tegeka gukurikiza byimazeyo ibipimo bya SSPC-SP 16 kugirango bishoboke gukora igihe kirekire.
Fata ingamba mbere yo kurangiza ibisobanuro byawe. Baza mu buryo butaziguye uwaguhaye ibikoresho cyangwa umugenzuzi wa NACE wemewe. Bazagufasha guhuza zinc yawe yihariye hamwe nubusaza bwayo hamwe na sisitemu ya primer ikwiye.
Ibibazo
Ikibazo: Nshobora gukoresha umuringa wins kugirango nkureho ingese yera mubyuma?
Igisubizo: No. Koresha amashanyarazi akomeye ya plastike gusa.
Ikibazo: Kuki irangi ryanjye risize irangi?
Igisubizo: Gukuramo ibisanzwe biterwa no gukoresha irangi risanzwe kuri zinc idahiye cyangwa kunanirwa gukuraho imiti ikoreshwa na chromate. Birakenewe primer ikungahaye kuri primer hamwe no guturika neza.
Ikibazo: Ese ibyuma byogosha ibyuma byihuta mubushyuhe bwinshi?
Igisubizo: Yego. Mubidukikije bigera kuri 100 ° C hamwe nubushyuhe bwinshi, 'polarite reversal ' ibaho aho zinc yihutisha ingese yicyuma munsi aho kuyirinda.
