{"id":9807,"date":"2021-08-05T08:20:40","date_gmt":"2021-08-05T08:20:40","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9807"},"modified":"2021-08-05T08:20:40","modified_gmt":"2021-08-05T08:20:40","slug":"adtech-degassing-device","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/adtech-degassing-device\/","title":{"rendered":"Dispositif de d\u00e9gazage AdTech"},"content":{"rendered":"<p>Le dispositif de d\u00e9gazage AdTech est un syst\u00e8me automatique et respectueux de l'environnement destin\u00e9 au traitement des m\u00e9taux en fusion, qui assure le d\u00e9gazage et l'\u00e9limination des scories des alliages d'aluminium.<\/p>\n<p>La structure en caisson du dispositif de d\u00e9gazage AdTech est constitu\u00e9e d\u2019une t\u00f4le d\u2019acier au carbone. Entre l\u2019enveloppe en acier et la couche active, des produits \u00e0 base de fibres de silicate d\u2019aluminium et des panneaux de silicate de calcium sont utilis\u00e9s pour l\u2019isolation composite ; leur conductivit\u00e9 thermique est extr\u00eamement faible, ce qui permet \u00e0 la fois d\u2019assurer l\u2019isolation et d\u2019amortir la dilatation de la couche active. Au cours du processus de coul\u00e9e, la couche active du corps du caisson est constamment immerg\u00e9e dans de l'aluminium liquide \u00e0 haute temp\u00e9rature ; c'est pourquoi un b\u00e9ton de coul\u00e9e sp\u00e9cial \u00e0 haute teneur en aluminium est utilis\u00e9 pour constituer cette couche active. Le corps du caisson est muni d'une entr\u00e9e et d'une sortie d'aluminium, qui pr\u00e9sentent une bonne fluidit\u00e9.<\/p>\n<p>\u00c0 l'heure actuelle, la structure de la <a href=\"http:\/\/www.alalloycasting.com\/fr\/degassing-box\/\">bo\u00eete de d\u00e9gazage<\/a> Cela emp\u00eache le court-circuit du liquide d'aluminium, c'est-\u00e0-dire que celui-ci s'\u00e9coule dans le caisson filtrant par un raccourci sans passer par la zone inerte riche en bulles, ce qui nuit \u00e0 l'efficacit\u00e9 de la purification.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9805\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/08\/Rotating-Rotor-Degassing-Method.jpg\" alt=\"M\u00e9thode de d\u00e9gazage par rotor rotatif\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/08\/Rotating-Rotor-Degassing-Method.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/08\/Rotating-Rotor-Degassing-Method-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Lors de la conception de la cavit\u00e9 interne, l'aluminium fondu suit le parcours suivant : entr\u00e9e de l'aluminium fondu \u2013 intersection entre la surface de l'aluminium fondu et l'arbre en graphite \u2013 rotor en graphite \u2013 sortie de l'aluminium fondu. La surface de contact entre l'aluminium fondu et les bulles est importante et la dur\u00e9e de contact est longue, ce qui permet d'obtenir un bon effet de purification.<\/p>\n<p>Afin de garantir que l'enceinte de d\u00e9gazage AdTech maintienne en permanence une l\u00e9g\u00e8re surpression pendant le processus de purification, et afin d'emp\u00eacher simultan\u00e9ment l'air ext\u00e9rieur et la vapeur d'eau de p\u00e9n\u00e9trer dans l'enceinte, l'entr\u00e9e et la sortie en aluminium sont con\u00e7ues en pente, de sorte que le bord sup\u00e9rieur de la face int\u00e9rieure de la cuve se trouve \u00e0 la m\u00eame hauteur ou l\u00e9g\u00e8rement en dessous du bord inf\u00e9rieur de l'ouverture ext\u00e9rieure ; l'aluminium fondu reste ainsi toujours confin\u00e9 \u00e0 l'int\u00e9rieur de la cuve de d\u00e9gazage, ce qui r\u00e9duit le contact avec l'air ext\u00e9rieur et \u00e9vite toute nouvelle r\u00e9action avec la vapeur d'eau.<\/p>\n<p>\u00c0 l'exception de la cavit\u00e9 r\u00e9serv\u00e9e au gaz, qui permet d'assurer un volume de travail raisonnable, les autres canaux d'aluminium fondu sont r\u00e9duits au volume minimum afin de limiter au maximum l'\u00e9coulement d'aluminium fondu entre les diff\u00e9rentes phases de coul\u00e9e. La structure de la cavit\u00e9 dans le moule est bien con\u00e7ue, et l'assemblage du coffrage pour la construction par coul\u00e9e est facile \u00e0 monter et \u00e0 d\u00e9monter.<\/p>","protected":false},"excerpt":{"rendered":"<p>AdTech degassing device is an environmentally friendly automatic molten metal treatment system, which performs degassing and slag removal of aluminum alloys. The box structure of&hellip;<\/p>","protected":false},"author":1,"featured_media":9808,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[146,4641],"class_list":["post-9807","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-degassing-unit","tag-degassing-device","tag-metal-degassing-system"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AdTech Degassing Device for Molten Aluminum Purification<\/title>\n<meta name=\"description\" content=\"AdTech degassing device is an environmentally friendly automatic molten metal treatment system, which performs degassing and slag removal.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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