{"id":9954,"date":"2021-08-18T06:22:02","date_gmt":"2021-08-18T06:22:02","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9954"},"modified":"2021-08-18T06:22:02","modified_gmt":"2021-08-18T06:22:02","slug":"online-refining-methods","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/online-refining-methods\/","title":{"rendered":"M\u00e9thodes de raffinage en ligne"},"content":{"rendered":"<p>Parmi les m\u00e9thodes de raffinage en ligne hors four, on peut citer la m\u00e9thode MINT, la m\u00e9thode SNIF, la m\u00e9thode ALPUR, la m\u00e9thode FILD, etc. La plupart de ces m\u00e9thodes de raffinage et de purification en ligne associent \u00e9troitement le d\u00e9gazage et la purification par filtration.<\/p>\n<p>Les m\u00e9thodes SNIF et ALPUR utilisent un rotor en rotation pour insuffler du gaz. Elles permettent de former de petites bulles r\u00e9parties uniform\u00e9ment dans la masse fondue. Le temps de s\u00e9jour moyen est d'environ 3 minutes. Le degr\u00e9 de m\u00e9canisation et d'automatisation du <a href=\"http:\/\/www.alalloycasting.com\/fr\/on-line-purification-device\/\">dispositif de purification en ligne<\/a> d\u00e9velopp\u00e9 en Chine ces derni\u00e8res ann\u00e9es a fait l'objet d'am\u00e9liorations constantes. Son efficacit\u00e9 de purification est comparable \u00e0 celle des \u00e9quipements import\u00e9s, son prix est abordable et il peut parfaitement remplacer ces derniers.<\/p>\n<p>Le principe de la m\u00e9thode de raffinage ALPUR est fondamentalement le m\u00eame que celui de la m\u00e9thode SNIF. Cela s'explique principalement par la structure particuli\u00e8re du m\u00e9langeur. La buse permet d'agiter simultan\u00e9ment le bain d'alliage en fusion afin de le faire p\u00e9n\u00e9trer dans la buse. L'effet d'agitation produit par les 6 turbines rotatives augmente consid\u00e9rablement les possibilit\u00e9s de contact et d'interaction entre le bain fondu et le gaz d'affinage. L'efficacit\u00e9 de l'affinage et de la purification s'en trouve ainsi consid\u00e9rablement am\u00e9lior\u00e9e. La capacit\u00e9 de purification peut atteindre 5 \u00e0 35 t\/h, la consommation de gaz est comprise entre 0,6 et 0,8 L\/kgAl, le rendement d\u2019\u00e9limination des oxydes et autres impuret\u00e9s non m\u00e9talliques peut d\u00e9passer 80%, et le rendement de d\u00e9gazage est g\u00e9n\u00e9ralement compris entre 60% et 65%. L\u2019efficacit\u00e9 de l\u2019\u00e9limination des scories et des m\u00e9taux alcalins est \u00e9galement tr\u00e8s bonne.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9956\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/08\/AdTech-Degassing-Unit.jpg\" alt=\"Unit\u00e9 de d\u00e9gazage AdTech\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/08\/AdTech-Degassing-Unit.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/08\/AdTech-Degassing-Unit-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>D\u00e9bit maximal de d\u00e9gazage de l'AdTech <a href=\"http:\/\/www.alalloycasting.com\/fr\/degassing-unit\/\">Unit\u00e9 de d\u00e9gazage<\/a> est de 15 \u00e0 65 MT\/h. Le rendement moyen de d\u00e9gazage est de 601 TP3T. En cas d'utilisation d'Ar et d'une teneur en Mg \u2264 11 TP3T, le rendement peut atteindre 0,09 cc\/100 g.<\/p>\n<p>Notre unit\u00e9 de d\u00e9gazage en ligne est principalement utilis\u00e9e pour \u00e9liminer l'hydrog\u00e8ne (H) et les scories de l'aluminium fondu.<\/p>\n<p>Ce proc\u00e9d\u00e9 repose sur le principe de la flottation par gaz. Le rotor injecte un gaz inerte ou un m\u00e9lange de chlore et de gaz inerte dans l'aluminium fondu et divise le gaz en minuscules bulles dispers\u00e9es ; celles-ci remontent \u00e0 la surface de l'aluminium fondu tout en effectuant simultan\u00e9ment les op\u00e9rations suivantes :<\/p>\n<p>L'hydrog\u00e8ne est absorb\u00e9 par les bulles et est \u00e9limin\u00e9.<br \/>\nLe chlorure est \u00e9limin\u00e9 (il se forme par r\u00e9action chimique entre un m\u00e9tal alcalin et du chlore gazeux).<br \/>\n\u00c9liminer les scories.<\/p>","protected":false},"excerpt":{"rendered":"<p>The online refining methods outside the furnace include the MINT method, SNIF method, ALPUR method, FILD method, and so on. Most of these online refining&hellip;<\/p>","protected":false},"author":1,"featured_media":9955,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12374,19,12375,12372,12371,12373],"class_list":["post-9954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-alpur-method","tag-degassing-unit","tag-fild-method","tag-mint-method","tag-online-refining-method","tag-snif-method"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Online Refining Methods for Molten Aluminum, AdTech Degassing Unit<\/title>\n<meta name=\"description\" content=\"The online refining methods outside the furnace include the MINT method, SNIF method, ALPUR method, FILD method, and so on.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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