1. Khetha izinga lokushisa elifanele
Amazinga okushisa afanele afanele nawo ayinto ebalulekile ukukhiqiza ikhwalithi ephezuluimigoqo ye-aluminium. Izinkinga ezakhayo ezifana nokusanhlamvu kwama-coght kanye ne-feather crystal kulula ukwenzeka lapho izinga lokushisa liphezulu.
Ngemuva kokuhlaziywa kokusanhlamvu, izinga lokushisa elivunta lika-liquid 6063 Aluminium Alloy lingakhuphuka ngokufanele, ngokuvamile phakathi kuka-720-740 ℃, ngoba:
. . Izinga lokushisa eliphakeme eliphakeme linendawo emincane kakhulu, evumelana nokuphunyuka kwegesi ekhishwe ngaphandle kwe-crystallization ngaphambili. Vele, izinga lokushisa alikwazi ukuba phezulu kakhulu, izinga lokushisa eliphakeme kakhulu lizonciphisa isikhathi esisebenzayo sokuhlanza okusanhlamvu futhi senze okusanhlamvu kube yinto enkulu.
2. Lapho izimo zitholakala, Preheat ngokuphelele, yomisa uhlelo lokuphonsa njengethangi lokugeleza kanye ne-shunt plate ukuvikela ukusabela kwamanzi kanye ne-aluminium ye-hydrogen.
I-3. Kubha ye-aluminium ethethelela, zama ukuvikela isiphithiphithi kanye nokugoqa i-aluminium ewuketshezi, ungasebenzisi nje imishini yokuvuselela i-aluminium ye-oxide ngaphansi kokuvikelwa kwefilimu ezinzile ku-crystallizer crystallization.
Lokhu kungenxa yokuthi i-aluminium yokuqaqa ama-aluminium kanye nokugeleza koketshezi konke kuzokwenza ukuthi i-aluminium onide ifilimu ihlukaniswe, yakha i-oxidation entsha, ngasikhathi sinye, ifilimu ye-oxide ebandakanyeka ku-aluminium ewuketshezi.
Ucwaningo lukhombisa ukuthi ifilimu ye-oxide inamandla aqinile ama-adsorption, iqukethe amanzi angama-2%, lapho ifilimu ye-oxide ebandakanyeka kwi-aluminium ye-liquid, amanzi e-aluminium reaction, akha ukumuncwa kwe-hydrogen kanye ne-slag.
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Ukuze uqinisekise ukuhlunga okujwayelekile kwe-aluminium evamile, i-aluminium ewuketshezi kufanele isuswe esihlahleni esingaphezulu ngaphambi kokuhlunga, ngoba i-filtration ilula ukususa ipuleti ye-slag ye-aluminium, ukuze i-filtration ingasuswa esihlahleni se-flow ngaphambi kokuhlungwa.
Isikhathi Sokuposa: Jan-17-2022