{"id":5673,"date":"2020-10-17T06:51:40","date_gmt":"2020-10-17T06:51:40","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=5673"},"modified":"2020-10-16T09:23:53","modified_gmt":"2020-10-16T09:23:53","slug":"aluminum-purification","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/aluminum-purification\/","title":{"rendered":"Purification de l'aluminium"},"content":{"rendered":"

La purification de l'aluminium constitue un axe de recherche et de d\u00e9veloppement majeur dans le domaine de la fusion et de la coul\u00e9e au sein des entreprises du secteur de l'aluminium.<\/p>\n

La m\u00e9thode de d\u00e9gazage par buse rotative est largement utilis\u00e9e ; elle est stable, efficace et fiable. On peut citer, \u00e0 titre d'exemple, le dispositif de d\u00e9gazage Snif aux \u00c9tats-Unis, le dispositif ALPR en France et le dispositif de d\u00e9gazage en ligne Adtech en Chine.<\/p>\n

Ces m\u00e9thodes de d\u00e9gazage utilisent de l'azote ou de l'argon comme gaz de raffinage. L'argon permet non seulement d'\u00e9liminer efficacement l'hydrog\u00e8ne de l'aluminium fondu, mais il pr\u00e9sente \u00e9galement une bonne efficacit\u00e9 d'\u00e9limination des m\u00e9taux alcalins ou alcalino-terreux, et peut am\u00e9liorer l'efficacit\u00e9 de la s\u00e9paration entre le laitier et le m\u00e9tal fondu.<\/p>\n

Avec le d\u00e9veloppement rapide des technologies de purification de l'aluminium, la technologie de fusion en four constitue l'objectif principal de recherche et d\u00e9veloppement des principales entreprises mondiales de transformation et de moulage de l'aluminium.<\/p>\n

L'axe principal de d\u00e9veloppement consiste \u00e0 am\u00e9liorer sans cesse la puret\u00e9 de la masse fondue et \u00e0 rechercher en permanence un rendement \u00e9lev\u00e9 et des co\u00fbts r\u00e9duits.<\/p>\n

Adtech en ligne \u00e9quipement de d\u00e9gazage<\/a>\u00a0et \u00c9quipements de filtration CFF<\/a> peut r\u00e9pondre aux besoins de d\u00e9veloppement de la technologie de purification de l'aluminium.<\/p>\n

L'am\u00e9lioration de l'efficacit\u00e9 de la filtration et l'\u00e9limination efficace des inclusions non m\u00e9talliques constituent l'objectif principal du d\u00e9veloppement des technologies de purification des masses fondues. Les m\u00e9thodes susmentionn\u00e9es sont tr\u00e8s efficaces et contribuent grandement \u00e0 am\u00e9liorer la puret\u00e9 des masses fondues.<\/p>\n

\u00c0 l'heure actuelle, de nombreux pays ont \u00e9tudi\u00e9 divers types de m\u00e9thodes de filtration par fusion, mais les recherches portent davantage sur les plaques filtrantes en c\u00e9ramique alv\u00e9ol\u00e9e. Il en existe de nombreuses nouvelles variantes. Afin d'am\u00e9liorer la pr\u00e9cision de la filtration, le pas des alv\u00e9oles de la plaque filtrante est pass\u00e9 de 50 PPI \u00e0 60 PPI. Des plaques filtrantes composites ont fait leur apparition ; il s'agit de plaques filtrantes compos\u00e9es de deux couches.<\/p>\n

Le trou d'un pouce situ\u00e9 en haut est grand, tandis que celui d'un pouce situ\u00e9 en bas est tr\u00e8s petit.<\/p>\n

Les sp\u00e9cifications des vari\u00e9t\u00e9s sont 30\/50, 30\/60 et 30\/70 PI, et l'efficacit\u00e9 de filtration de la plaque filtrante composite est sup\u00e9rieure.<\/p>\n

\u00c0 l'heure actuelle, le traitement complet de purification et d'affinage de l'aluminium liquide constitue le d\u00e9fi fondamental pour obtenir un alliage d'aluminium de haute qualit\u00e9. En fonction des diff\u00e9rentes \u00e9tapes de production, le traitement de purification de l'aluminium liquide peut \u00eatre divis\u00e9 en traitement en four et traitement externe. Selon le m\u00e9canisme de purification, le traitement en four des alliages d'aluminium se subdivise en technologie de purification par adsorption et en technologie de purification sans adsorption.<\/p>","protected":false},"excerpt":{"rendered":"

Aluminum purification is an important research and development object of melting and casting production in aluminum enterprises. Rotary nozzle degassing method is widely used, which…<\/p>","protected":false},"author":1,"featured_media":5674,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-5673","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nAluminum Purification in Melting and Casting Production<\/title>\n<meta name=\"description\" content=\"Aluminum purification is an important research and development object of melting and casting production in aluminum enterprises.\" \/>\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-purification\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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