{"id":6412,"date":"2020-11-13T06:41:54","date_gmt":"2020-11-13T06:41:54","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=6412"},"modified":"2022-02-22T08:27:24","modified_gmt":"2022-02-22T08:27:24","slug":"aluminum-casting-flux-refining","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/aluminum-casting-flux-refining\/","title":{"rendered":"Affinage au flux dans la fonderie d'aluminium"},"content":{"rendered":"

Par rapport aux autres m\u00e9thodes de purification utilis\u00e9es dans le four de purification, la m\u00e9thode d'affinage par fondant pour la coul\u00e9e d'aluminium et la m\u00e9thode d'affinage par gaz pr\u00e9sentent une s\u00e9rie d'avantages, tels qu'un faible investissement, un co\u00fbt r\u00e9duit, une grande facilit\u00e9 d'utilisation et un effet de purification significatif ; elles constituent donc actuellement des m\u00e9thodes d'affinage largement utilis\u00e9es. Cependant, l\u2019affinage au gaz pr\u00e9sente \u00e9galement certains probl\u00e8mes, tels que la puret\u00e9 du gaz, la taille et l\u2019uniformit\u00e9 des bulles inject\u00e9es dans la masse fondue. Par ailleurs, les gaz r\u00e9actifs sont souvent toxiques (comme le chlore) et corrodent les \u00e9quipements. L'affinage par gaz inerte repose principalement sur la diffusion et le d\u00e9gazage, la flottation et l'\u00e9limination des scories pour parvenir \u00e0 la purification. Bien qu'il pallie les inconv\u00e9nients li\u00e9s \u00e0 la corrosion des \u00e9quipements par les gaz actifs, son efficacit\u00e9 de purification est bien inf\u00e9rieure \u00e0 celle des gaz actifs, et il ne permet pas d'\u00e9liminer les m\u00e9taux alcalins et alcalino-terreux.<\/p>\n

Il convient de mentionner qu'outre l'adsorption physique et chimique, la dissolution et la combinaison du flux avec les inclusions dans la masse fondue, le flux pour la coul\u00e9e d'aluminium<\/a> peuvent \u00e9galement se d\u00e9composer ou r\u00e9agir avec la masse fondue pour g\u00e9n\u00e9rer divers gaz, ce qui entra\u00eene une purification des gaz. Contrairement aux inclusions par adsorption de gaz, le flux \u00e0 l'\u00e9tat fondu peut \u00e9galement mouiller les inclusions, et le processus cin\u00e9tique d'adsorption est plus efficace. Ce m\u00e9canisme est plus efficace que la m\u00e9thode de flottation par gaz pour l\u2019adsorption des inclusions, et permet \u00e9galement d\u2019agr\u00e9ger des inclusions de diff\u00e9rentes tailles. C\u2019est pourquoi l\u2019affinage mixte gaz-fondant est de plus en plus utilis\u00e9 en production : il tire parti des avantages du fondant et du gaz, et combine plusieurs m\u00e9canismes de purification pour obtenir un r\u00e9sultat efficace. Cependant, la marge de man\u0153uvre pour le contr\u00f4le de l\u2019affinage au gaz est relativement \u00e9troite, et de nombreuses \u00e9tudes sur l\u2019affinage au gaz ont \u00e9t\u00e9 publi\u00e9es. \u00c0 l\u2019heure actuelle, la plupart des recherches se concentrent sur l\u2019affinage par fondant dans la coul\u00e9e d\u2019aluminium.<\/p>\n

\"Affinage<\/p>\n

AdTech se consacre \u00e0 la recherche et au d\u00e9veloppement, \u00e0 la production et \u00e0 la commercialisation de flux de raffinage<\/a> pour le d\u00e9gazage et la d\u00e9carburation du m\u00e9tal en fusion lors du processus de coul\u00e9e d\u2019alliages d\u2019aluminium. Le flux d\u2019affinage d\u2019AdTech utilise une technologie unique pour am\u00e9liorer l\u2019efficacit\u00e9 des processus traditionnels de d\u00e9gazage et de d\u00e9carburation ; cette technologie s\u2019applique au processus de coul\u00e9e de produits en alliages d\u2019aluminium de plusieurs s\u00e9ries, tels que la feuille d\u2019aluminium de taille microm\u00e9trique, les plinthes en PS pour l\u2019impression, les mat\u00e9riaux de mise en conserve, les mat\u00e9riaux d\u2019emballage \u00e9lastiques, le transport ferroviaire, les produits a\u00e9rospatiaux, les c\u00e2bles et fils, ainsi que la purification d\u2019autres pi\u00e8ces moul\u00e9es en aluminium.<\/p>","protected":false},"excerpt":{"rendered":"

Compared with other purification methods in the purification furnace, the aluminum casting flux refining method and gas refining method have a series of advantages such…<\/p>","protected":false},"author":1,"featured_media":6413,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-6412","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nAluminum Casting Flux Refining with Low Cost Advantages<\/title>\n<meta name=\"description\" content=\"Aluminum casting flux refining method has a series of advantages, small investment, strong operability, and significant purification effect.\" \/>\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\/aluminum-casting-flux-refining\/\" 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