{"id":8242,"date":"2021-03-31T03:48:47","date_gmt":"2021-03-31T03:48:47","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=8242"},"modified":"2021-03-31T03:48:47","modified_gmt":"2021-03-31T03:48:47","slug":"drossing-fluxes-for-aluminum","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/drossing-fluxes-for-aluminum\/","title":{"rendered":"Flux de d\u00e9capage pour l'aluminium"},"content":{"rendered":"<p>Les flux de d\u00e9cantation pour l'aluminium sont utilis\u00e9s dans le processus de recyclage de l'aluminium afin d'am\u00e9liorer la puret\u00e9 de l'aluminium fondu.<\/p>\n<p>On sait que l'utilisation d'un fondant pour la coul\u00e9e d'aluminium dans l'industrie de l'aluminium secondaire permet d'am\u00e9liorer le taux de r\u00e9cup\u00e9ration directe de l'aluminium lors du processus de refusion. L'aluminium et les d\u00e9chets d'aluminium, tels que les emballages de boissons usag\u00e9s (UBC), sont trait\u00e9s de cette mani\u00e8re. La refonte de l'aluminium dans le four s'effectue sous une couche de sel fondu afin d'emp\u00eacher l'oxydation de l'aluminium dans l'atmosph\u00e8re du four et de favoriser la coalescence de l'aluminium fondu, maximisant ainsi le taux de r\u00e9cup\u00e9ration de l'aluminium.<\/p>\n<p>Au cours du traitement, un film d'oxyde a tendance \u00e0 se former \u00e0 la surface de la goutte d'aluminium fondu. Ce film d'oxyde emp\u00eache la coalescence de l'aluminium fondu, ce qui entra\u00eene la perte de particules plus fines au cours du processus et r\u00e9duit ainsi la quantit\u00e9 d'aluminium r\u00e9cup\u00e9r\u00e9e. Les gouttelettes d'aluminium non r\u00e9cup\u00e9rables recouvertes d'un film d'oxyde sont parfois appel\u00e9es \u00ab scories \u00bb.<\/p>\n<p>Les fondants de d\u00e9capage pour l'aluminium dans le four contribuent \u00e0 d\u00e9coller et \u00e0 mettre en suspension le film d'oxyde, ce qui favorise la coalescence des gouttelettes et r\u00e9duit la formation de scories. Le fondant salin mouille le film d'oxyde et d\u00e9clenche sa d\u00e9sint\u00e9gration, le d\u00e9collant de la surface de la goutte d'aluminium fondu. Les fragments de film d'oxyde d\u00e9tach\u00e9s de l'aluminium restent en suspension dans le flux. Les gouttelettes d'aluminium, dont la densit\u00e9 est sup\u00e9rieure \u00e0 celle du flux, forment alors un lit fondu continu sous la couche de flux. Le flux emp\u00eache \u00e9galement la formation d'oxyde en isolant le m\u00e9tal de l'atmosph\u00e8re du four.<\/p>\n<p>Un type de <a href=\"http:\/\/www.alalloycasting.com\/fr\/aluminum-casting-flux\/\">flux pour la coul\u00e9e d'aluminium<\/a> Il est principalement compos\u00e9 d'un m\u00e9lange de chlorure de sodium et de chlorure de potassium de haute puret\u00e9. Le sel de haute puret\u00e9 utilis\u00e9 dans ce type de proc\u00e9d\u00e9 est extrait et purifi\u00e9 \u00e0 partir de la solution gr\u00e2ce \u00e0 des m\u00e9thodes complexes et tr\u00e8s sophistiqu\u00e9es. La m\u00e9thode d'affinage par flux vise \u00e0 am\u00e9liorer la r\u00e9cup\u00e9ration de l'aluminium lors d'un processus de refusion.<\/p>","protected":false},"excerpt":{"rendered":"<p>Drossing fluxes for aluminum are used in the aluminum recycling process to improve the purity of molten aluminum. It is known that the use of&hellip;<\/p>","protected":false},"author":1,"featured_media":8243,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-8242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fluxes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Drossing Fluxes for Aluminum -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"Drossing fluxes for aluminum help to strip and suspend the oxide film, thereby increasing the coalescence of droplets and reducing slag.\" \/>\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\/drossing-fluxes-for-aluminum\/\" \/>\n<meta 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