affinage de l'aluminium<\/a> Au cours du processus, la buse en graphite tourne et pulv\u00e9rise au fond du bain d'aluminium fondu. D'une part, cela favorise l'accumulation de petites inclusions dans l'aluminium fondu au sein du sac de transfert. D'autre part, la surface de l'aluminium fondu reste toujours stable. Il n'y a pas de turbulence violente, le m\u00e9lange avec l'oxyg\u00e8ne est \u00e9vit\u00e9, et la formation d'inclusions d'oxyde ainsi que la dissolution secondaire de l'hydrog\u00e8ne sont r\u00e9duites.<\/p>\nL'argon est un gaz inerte, non toxique, insipide, non polluant, qui ne n\u00e9cessite pas d'\u00e9quipement de traitement des gaz r\u00e9siduaires. L'\u00e9limination de l'hydrog\u00e8ne par l'argon consiste principalement \u00e0 extraire physiquement l'hydrog\u00e8ne de l'aluminium en fusion, et son utilisation ne pr\u00e9sente aucun risque d'inclusion de fondant. L'\u00e9cume form\u00e9e est \u00e9vacu\u00e9e de l'aluminium fondu sous forme de bulles. Par rapport \u00e0 la purification par fondant, la formation de scories est faible et aucun gaz toxique n'est g\u00e9n\u00e9r\u00e9, ce qui am\u00e9liore consid\u00e9rablement les conditions de travail et r\u00e9duit l'impact sur l'environnement.<\/p>","protected":false},"excerpt":{"rendered":"
Since argon is an inert gas and does not react with molten aluminum, it can replace the hydrogen in the aluminum melt, greatly reducing the…<\/p>","protected":false},"author":1,"featured_media":5491,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\n
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