Galvanizing metal ngezandla zabo: izindlela eziyinhloko

imikhiqizo Metal ngesikhatsi operation adle. Njengoba bavikeleke zinc wire lensimbi. lobu buchwepheshe inqubo yokwelapha ngokwamaqiniso ekhaya ngempela kufinyeleleke. Kubalulekile ukukhetha okukhethwa kukho imithi ekufanele.

Yini galvanizing

Zonke izingxenye zensimbi bavezwa lamadigri izinqubo ezonakalisayo obuhlukahlukene. Ngeke benze ngaphandle kwalo. Futhi le nqubo kungenziwa kuphela lihlehlisiwe. Nge le njongo, futhi usebenzisa ukwelashwa nge-zinc. Lokhu kukhethwa impahla akuyona ngephutha. Kukhethwa senziwa okusekelwe izici yezingxenye ezimbili: steel ne-zinc. Zinc esimela electronegative ngaphezulu, kunokuba steel. Lapho isetshenziswa imikhiqizo metal zinc enamathela ezakhiwe elihlangana kukagesi phakathi metal ne-zinc. Ngale ndlela, ngaphansi kwethonya izici zangaphandle, ambient ukusabela a-zinc. Ukusabela Chemical iqhaza steel kancane. Futhi ngakho-ke sizoqhubeka nje kwalolo ngwengwezi zinc alicekelekanga phansi ngokuphelele.

Ezimweni lapho enamathela zinc ahlahlele, ukuzivikela Sizoqhubeka nokusebenza. Lokhu kungenxa yokuthi i-zinc ihlangana oksijini emoyeni. Ngenxa yalokho izinqubo zamakhemikhali kwakhiwa zinc hydroxide is. Into inikezwe futhi anazo izakhiwo zokuzivikela. Ngakho, metal lashukumisa Sizoqhubeka nokusebenza.

izindlela galvanizing

Galvanizing imikhiqizo metal yindlela ethandwa kakhulu ukubhekana naso ukugqwala. Lokhu kungenxa isilinganiso okusezingeni eliphezulu ngenxa yokuvivinywa intengo imali. Izindlela ezilandelayo zisetshenziselwa metal lashukumisa:

• abandayo;
• hot;
• kukagesi;
• thermodiffusion;
• spray ezishisayo.

Ukuze ukhethe ezifanele kakhulu, okokuqala udinga ukuhlaziya izimo lapho umkhiqizo izosetshenziswa esikhathini esizayo. izinga galvanizing incike ukujiya enamathela, isikhathi kanye nokuvikelwa lokushisa. Galvanizing metal ngezandla zabo kuphela kungenzeka ngezindlela ezimbili: abandayo kanye kuhlinzwa. Kuyaphawuleka ukuthi UKUQINA izingxenye ezifana iphathwa kuzoncika izimo zokusebenza. Isendlalelo zinc kalula ngaphansi ukudledlezela.

imfashini esishisayo

galvanizing Zezıhlabane metal ukhetho esiwusizo kakhulu. Umkhiqizo chemical reagents osetshenziselwa ukwelashwa surface. Basuke okulungiselelwe ngokusebenzisa core metal yenqubo. Kungenxa yokuthi lokhu kukhona izinkinga zemvelo. I-zinc enwetshiwe esetshenziselwa inqubo. Umkhiqizo olungiselelwe nje bacwilisa ibe okugeza zinc esibunjiweyo.

Imishini ekhethekile edingekayo ukuze le nqubo. Ngakho-ke, le ndlela asifanele metal lashukumisa ekhaya.

ezishisayo okusheshayo indlela

metal lashukumisa yi kuhilela Ukungena zama-athomu zinc kule nokwakheka umkhiqizo metal ukwakha yensimbi-zinc ingxubevange nge isakhiwo eziyinkimbinkimbi. Yonke inqubo ithatha indawo ngamazinga ashisa kakhulu kakhulu. At lokushisa phezu 2600 degrees zinc ludlulele ngaphakathi isimo gaseous. endaweni evalelekile, lapho imikhiqizo metal, egcwele powder zinc-aqukethe. indlela Ifanele isicelo ungqimba, ogama ukujiya idlula 15 micrometer. I kwaphumela enamathela ovikelayo zokumelana ingafaniswa ungqimba Kusetshenziswe ashisayo. Ngenxa isidingo ukudala izimo ezithile asifanele iSilekeleli Sokwazisa.

indlela negesi-ezishisayo

Kule ndlela, i-zinc, okuyinto ngesimo powder, ukugeleza komoya olufuthwe phezu imikhiqizo metal. Ngaphambi sishaye izinto elicibilikile ngu izinga lokushisa eliphezulu futhi kulesi sifundazwe lehliselwa ngokuningiliziwe. metal galvanizing libhekene ngendlela ezifana nalezo zimo lapho imikhiqizo zensimbi usayizi esikhulu.

Isici esivelele sesimiso indlela ukuthi ungqimba zokuzivikela has a lot of ikhule ezimbotsheni. Ukuze ugcwalise umkhiqizo wabo embozwe upende. Lesi sendlalelo materials ezimbili ukwazi okufanele inakekelwe iminyaka engu-30. Le ndlela ngeke lisetshenziswe ekhaya.

galvanizing Cold ekhaya

Kukhona abandayo galvanizing. Lashukumisa metal indlela okunjalo ihilela ukufundisa isicelo metallic zinc umkhiqizo ngesimo upende. Abakhiqizi zinikeza kukhetfwe tinhlobo letibanti letikhetsiwe lezi zimali. Futhi core izingoma (isib, i-zinc mass ingxenyenamba asendabeni) kungaba buhluke kakhulu nomunye. Kuba sobala ukuthi umphumela ukwelashwa uyophinde ziyahlukahluka.

Okukushoyo galvanizing benezingane eziningi izici. Ezinye adinga izinga okusezingeni imikhiqizo ukuqeqeshwa. Lesi sakamuva babe ongaphakeme adhesion amakhono, ngenxa okuyinto emva kokuqala iphele ukuba izinhlayiya zeqhwa. Kanti abanye embozwe emva isicelo "Ubulembu" kusukela imifantu. Okwesine ingasebenza ngokuhlangana kuphela nohlobo kumakhemikhali awuketshezi ethize. Okwesihlanu zidinga isicelo kanye nemishini ekhethekile.

Leli thuluzi kanambambili. Ngakho-ke, ngaphambi kokufaka isicelo izinto ezimbili (powder kanye isibopho) exutshwa nomunye. Ingabe lokhu isilinganiso 3 kuya ku-1 noma 1 kuya 1. yonke inqubo okufanele iqhutshwe ngaphansi kwemibandela ethile. Amazinga air kumele ibe yangempela futhi uhla kusuka degree angu-5 kuya ku-40. Kulokhu nomswakama ivela 30 kuya ku-98%. Ikamelo lapho inqubo kufanele abe komoya okuhle. Ngemva umsebenzi, kufanele kahle senza. Agent sisetshenziswa izingqimba ezimbili esingaba imizuzu engu-30. Ekupheleni kosuku umkhiqizo kungenziwa camera ngopende izingoma. Phakathi galvanizing kuyadingeka ukuba bagcine imithetho yokuphepha. Zonke umsebenzi wenziwa nokusetshenziswa izembatho zokuzivikela.

Indlela Electroplating

metal lashukumisa ekhaya kungaba kwenziwe nge Electroplating. Ukuze lo mkhiqizo kokuqala ukuba zihlanzwe. Ngemva kwalokho, le nto lehla imizuzwana embalwa (2 kuya ku-10) e-sulfuric acid. Ngemva kwalokho, umkhiqizo ubizwa wageza ngamanzi. Kulesi belungiselela anodization usuphothuliwe. Ukuze ukufakwa ngaphansi izitsha galvanizing kufanele kukhethwe ngezinto inert, isib, ingilazi. Tara kuyakhethwa ngendlela yokuthi yokuhlala imininingwane nge-electrode elikulo.

zamanje umthombo Ishaja 6-12 futhi 2-6 A. Eqhubeka electrolyte ezilungiselelwe - isixazululo kwanoma iyiphi usawoti, ziyoncibilika ngamanzi. Ekusebenteni, ngcono ukuthatha usawoti zinc. Ungakwazi ukuthatha alulaze sulfuric acid (njengase ibhetri) bese wengeza-zinc. Ngenxa zamakhemikhali siguqulelwa acid usawoti zingaxazululeki futhi kusheshisa. A-zinc bahlale isixazululo. I kwenze kumelwe kususwe, umane sokukhipha isixazululo.

Zinc electrode Yenziwe ucezu zinc isekelwa wire ithusi. Kusukela "lokususa" ishaja ibhethri yanikezwa workpiece, kanye "plus" - ukuze ukhethe. Ngakho, i-electrode zinc siphela futhi zonke ama-athomu zinc kuxazululwe on workpiece.

isiphetho

metal galvanizing ekhaya - kuyinqubo yangempela. Ukuze nokuqaliswa kwalo uzodinga ukuthenga ezinye izinto. Ngokwesibonelo, upende zinc-based noma inqubo abandayo Electroplating ucezu zinc. Phela, lo-zinc angathengwa nganoma yingasiphi Scrap Metal.