{"id":6260,"date":"2020-11-06T06:22:24","date_gmt":"2020-11-06T06:22:24","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=6260"},"modified":"2020-11-06T06:22:24","modified_gmt":"2020-11-06T06:22:24","slug":"online-processing-technology","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/online-processing-technology\/","title":{"rendered":"Technologie de traitement en ligne"},"content":{"rendered":"

Le d\u00e9veloppement de la technologie de purification de la masse fondue repose principalement sur l'application \u00e0 grande \u00e9chelle des techniques de traitement en continu. Cette m\u00e9thode a pratiquement port\u00e9 la puret\u00e9 de l'aluminium fondu \u00e0 un nouveau niveau, offrant notamment une assurance qualit\u00e9 efficace pour la production de certains mat\u00e9riaux de haute pr\u00e9cision et \u00e0 ar\u00eates vives. Du point de vue du d\u00e9gazage, le dispositif utilis\u00e9 met l\u2019accent sur le gaz d\u2019affinage capable de former des bulles fines et uniformes dans la masse fondue \u00e0 l\u2019int\u00e9rieur de la cuve d\u2019affinage, et de faire en sorte que la masse fondue traversant la cuve soit autant que possible balay\u00e9e par le gaz d\u2019affinage. La technologie de traitement en ligne capable de r\u00e9pondre aux exigences ci-dessus devrait \u00eatre la m\u00e9thode de d\u00e9gazage en ligne. Une buse \u00e0 gaz rotative est install\u00e9e dans la cuve d\u2019affinage, de sorte que le gaz d\u2019affinage soit pulv\u00e9ris\u00e9 \u00e0 travers la buse rotative pour former de fines bulles, lesquelles sont dispers\u00e9es uniform\u00e9ment dans l\u2019ensemble du bain de fusion gr\u00e2ce \u00e0 l\u2019agitation du rotor, ce qui permet d\u2019obtenir un meilleur effet d\u2019affinage.<\/p>\n

La pr\u00e9sence d\u2019inclusions et d\u2019hydrog\u00e8ne gazeux rompt la continuit\u00e9 du m\u00e9tal. En raison des diff\u00e9rences de module d\u2019\u00e9lasticit\u00e9 et de coefficient de dilatation entre l\u2019inclusion et la matrice m\u00e9tallique, les angles vifs de la phase d\u2019inclusion sont sujets \u00e0 une concentration de contraintes, ce qui devient une source de rupture et de corrosion du mat\u00e9riau. Les alliages d\u2019aluminium sont sujets \u00e0 divers d\u00e9fauts lors de leur transformation et de leur d\u00e9formation. Afin d\u2019am\u00e9liorer les performances de transformation et la comp\u00e9titivit\u00e9 commerciale du produit fini, outre la fusion de l\u2019aluminium et le processus de purification statique, le syst\u00e8me de coul\u00e9e de purification hors du four rev\u00eat une importance capitale.<\/p>\n

\"Technologie<\/p>\n

AdTech propose des canaux de coul\u00e9e de haute qualit\u00e9, tuyau de distribution<\/a> pour la coul\u00e9e d\u2019aluminium. La plaque de coul\u00e9e \u00e0 t\u00eate chaude \u00e0 niveau uniforme utilise une plaque d\u2019alimentation et de r\u00e9partition unifi\u00e9e pour relier plusieurs moules \u00e0 t\u00eate chaude. Elle permet de maintenir le niveau du m\u00e9tal en fusion \u00e0 la m\u00eame hauteur dans chaque moule de l\u2019ensemble de la plaque de coul\u00e9e. Le m\u00e9tal en fusion filtr\u00e9 se trouvant au m\u00eame niveau sur toute la plaque de coul\u00e9e, il s\u2019\u00e9coule sous le film d\u2019oxyde d\u2019aluminium form\u00e9 initialement, ce qui emp\u00eache toute pollution secondaire et toute oxydation des m\u00e9taux.<\/p>","protected":false},"excerpt":{"rendered":"

The development of melt purification technology is mainly the extensive application of online processing technology. This method has almost brought the purity of aluminum melt…<\/p>","protected":false},"author":1,"featured_media":6263,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-6260","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nOnline Processing Technology for Aluminum Melt Purification<\/title>\n<meta name=\"description\" content=\"The development of melt purification technology is mainly the extensive application of online processing technology. 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