{"id":8211,"date":"2021-03-31T03:03:19","date_gmt":"2021-03-31T03:03:19","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8211"},"modified":"2021-03-31T03:03:19","modified_gmt":"2021-03-31T03:03:19","slug":"online-degassing-refining-device","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/online-degassing-refining-device\/","title":{"rendered":"Dispositif de d\u00e9gazage et de raffinage en ligne"},"content":{"rendered":"

Un nouveau type d'\u00e9quipement de d\u00e9gazage en ligne d\u00e9velopp\u00e9 par AdTech : le dispositif de raffinage par d\u00e9gazage en ligne. L'aluminium fondu s'\u00e9coule \u00e0 travers la chambre de d\u00e9gazage, et le gaz inerte forme un grand nombre de petites bulles diffus\u00e9es dans le liquide d'aluminium gr\u00e2ce \u00e0 la buse rotative du rotor, de sorte que l'hydrog\u00e8ne se diffuse dans ces petites bulles ; lorsque celles-ci remontent \u00e0 la surface du bain fondu, l'hydrog\u00e8ne est \u00e9limin\u00e9. Parall\u00e8lement, lors de la remont\u00e9e des bulles, la tension superficielle de celles-ci permet d\u2019extraire une partie des scories de la masse fondue, ce qui permet d\u2019affiner l\u2019aluminium fondu.<\/p>\n

Le processus de purification des alliages d'aluminium liquides constitue le principal moyen d'am\u00e9liorer les performances globales de ces alliages. Parmi les diff\u00e9rentes \u00e9tapes de ce processus, le traitement par rotor en graphite utilis\u00e9 dans les \u00e9quipements de d\u00e9gazage pour le bain d'aluminium fondu est la m\u00e9thode la plus avanc\u00e9e au monde.<\/p>\n

Le site en ligne dispositif de purification de l'aluminium liquide<\/a> est install\u00e9 entre le four de maintien et la machine de coul\u00e9e. L'aluminium fondu sort du four de maintien et passe d'abord par le caisson de d\u00e9gazage. Apr\u00e8s avoir \u00e9t\u00e9 d\u00e9gaz\u00e9 dans le dispositif de d\u00e9gazage en ligne, il p\u00e9n\u00e8tre dans le caisson de filtration et traverse le filtre en c\u00e9ramique alv\u00e9ol\u00e9e. Apr\u00e8s Filtrage CFF<\/a>, le m\u00e9tal en fusion, plus pur, est achemin\u00e9 vers la machine de coul\u00e9e.<\/p>\n

\"Purification<\/p>\n

Outre le d\u00e9gazage et la formation de scories, le dispositif de d\u00e9gazage et d'affinage en continu peut \u00e9galement pr\u00e9senter d'autres avantages :<\/p>\n

Le dispositif de d\u00e9gazage permet d'homog\u00e9n\u00e9iser la r\u00e9partition des \u00e9l\u00e9ments d'alliage dans le bain de fusion gr\u00e2ce \u00e0 l'agitation provoqu\u00e9e par la buse rotative dans le bain.
\nLe dispositif de d\u00e9gazage est \u00e9quip\u00e9 d'un thermoplongeur qui pr\u00e9sente un rendement thermique \u00e9lev\u00e9 et permet de r\u00e9guler la temp\u00e9rature du m\u00e9tal avant la coul\u00e9e.
\nL'\u00e9tat d'\u00e9coulement de l'aluminium fondu sortant du dispositif de filtration peut passer d'un \u00e9coulement turbulent \u00e0 un \u00e9coulement r\u00e9gulier, et son champ de temp\u00e9rature interne est plus homog\u00e8ne, ce qui facilite la coul\u00e9e et permet d'am\u00e9liorer l'homog\u00e9n\u00e9it\u00e9 de la structure de la pi\u00e8ce moul\u00e9e.<\/p>","protected":false},"excerpt":{"rendered":"

A new type of online degassing equipment developed by AdTech \u2013 online degassing refining device. The molten aluminum flows through the degassing box, and the…<\/p>","protected":false},"author":1,"featured_media":8212,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-8211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-molten-aluminum-refining-degassing"],"yoast_head":"\nOnline Degassing Refining Device -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"The online degassing refining device can make the alloying elements in the melt more uniform through the stirring of the rotating nozzle.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alalloycasting.com\/fr\/online-degassing-refining-device\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" 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