{"id":6299,"date":"2020-11-06T08:31:09","date_gmt":"2020-11-06T08:31:09","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=6299"},"modified":"2020-11-06T08:31:09","modified_gmt":"2020-11-06T08:31:09","slug":"purification-methods","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/purification-methods\/","title":{"rendered":"M\u00e9thodes de purification"},"content":{"rendered":"

Au vu de l'\u00e9tat actuel des technologies de purification de l'aluminium en fusion, AdTech a mis au point des m\u00e9thodes et des dispositifs de purification plus avanc\u00e9s, qui ont favoris\u00e9 le d\u00e9veloppement de ces technologies.<\/p>\n

D\u2019apr\u00e8s les analyses et les r\u00e9sultats de recherche sur l\u2019interaction entre les inclusions et l\u2019hydrog\u00e8ne dans la masse d\u2019aluminium fondu, il est n\u00e9cessaire de d\u00e9passer l\u2019approche traditionnelle de la purification ax\u00e9e sur l\u2019\u00e9limination de l\u2019hydrog\u00e8ne, et d\u2019adopter le principe selon lequel \u201c l\u2019\u00e9limination des impuret\u00e9s constitue la base du d\u00e9gazage, ainsi que l\u2019\u00e9limination des impuret\u00e9s et des gaz \u201d. Il est \u00e9galement n\u00e9cessaire d\u2019\u00e9viter la tendance \u00e0 rechercher de mani\u00e8re unilat\u00e9rale une faible teneur en hydrog\u00e8ne afin de d\u00e9velopper de nouvelles technologies plus efficaces pour la purification de l\u2019aluminium fondu.<\/p>\n

Dans le proc\u00e9d\u00e9 de purification qui vise principalement \u00e0 \u00e9liminer les impuret\u00e9s, le filtration par filtre en mousse c\u00e9ramique<\/a> Cette m\u00e9thode est g\u00e9n\u00e9ralement mise en \u0153uvre apr\u00e8s le d\u00e9gazage et avant la coul\u00e9e. Le m\u00e9canisme d\u2019\u00e9limination des impuret\u00e9s est principalement m\u00e9canique et physique ; son efficacit\u00e9 pour \u00e9liminer les inclusions fines en suspension dans la masse fondue est peu significative, et il est difficile de mettre en \u0153uvre le principe consistant \u00e0 \u00e9liminer d\u2019abord les impuret\u00e9s, puis les gaz. La m\u00e9thode au flux pr\u00e9sente une bonne efficacit\u00e9 pour l'\u00e9limination des impuret\u00e9s, mais son efficacit\u00e9 d\u00e9pend largement des caract\u00e9ristiques du flux lui-m\u00eame et des conditions du processus de purification. Les m\u00e9thodes de traitement traditionnelles sont la m\u00e9thode par enfoncement ou la m\u00e9thode par recouvrement. Les conditions du processus de purification sont m\u00e9diocres et favorisent l\u2019apparition de \u201c coins morts \u201d. Il est difficile de tirer pleinement parti du flux. Bien que la m\u00e9thode de projection de flux ait fait son apparition, ce qui am\u00e9liore manifestement les conditions du processus de purification, elle n\u00e9cessite un \u00e9quipement sp\u00e9cialis\u00e9, augmente les co\u00fbts et le contr\u00f4le du processus en production r\u00e9elle reste instable.<\/p>\n

\"M\u00e9thodes<\/p>\n

Par cons\u00e9quent, comment utiliser des produits bon march\u00e9 et faciles \u00e0 trouver ? flux<\/a> Il est donc essentiel de purifier efficacement la masse d'aluminium en fusion, de simplifier le processus et d'en faciliter la mise en \u0153uvre. Apr\u00e8s des ann\u00e9es de recherche et d'exp\u00e9rimentation, nous avons mis au point de nouvelles m\u00e9thodes de purification, notamment la m\u00e9thode de purification par filtration \u00e0 flux actif \u00e0 haut rendement. Celle-ci combine la fusion de l'aluminium, l'\u00e9limination des flux et la filtration des flux. Elle est mise en \u0153uvre tout au long du processus de fusion, sans \u00e9quipement sp\u00e9cifique ; le proc\u00e9d\u00e9 est simple, la mise en \u0153uvre pratique et le co\u00fbt faible, et l\u2019efficacit\u00e9 de la purification est remarquable. Le taux d\u2019\u00e9limination des impuret\u00e9s peut atteindre environ 80%, et le taux de piq\u00fbres est consid\u00e9rablement r\u00e9duit. Si l\u2019on ajoute un d\u00e9gazage, le r\u00e9sultat sera encore meilleur.<\/p>","protected":false},"excerpt":{"rendered":"

Judging from the current status of aluminum melt purification treatment technology, AdTech has developed some more advanced purification methods and devices, which have promoted the…<\/p>","protected":false},"author":1,"featured_media":6300,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-6299","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nPurification Methods for Purifying Molten Aluminum<\/title>\n<meta name=\"description\" content=\"AdTech has developed some more advanced purification methods and devices, which have promoted the development of melt purification technology.\" \/>\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\/purification-methods\/\" 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