{"id":4009,"date":"2020-08-22T14:23:27","date_gmt":"2020-08-22T14:23:27","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=4009"},"modified":"2020-12-22T02:00:31","modified_gmt":"2020-12-22T02:00:31","slug":"refining-process","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/fr\/refining-process\/","title":{"rendered":"Proc\u00e9d\u00e9 de raffinage"},"content":{"rendered":"

Le processus d'affinage, les outils utilis\u00e9s et d'autres facteurs ont une incidence sur la qualit\u00e9 de la masse fondue d'alliage d'aluminium. Celle-ci doit \u00eatre cuite avant utilisation. Elle ne peut pas \u00eatre trait\u00e9e \u00e0 froid et est recouverte d'un rev\u00eatement protecteur destin\u00e9 \u00e0 emp\u00eacher le m\u00e9tal d'absorber davantage d'hydrog\u00e8ne et de voir sa teneur en fer augmenter.<\/p>\n

La division \u00ab Flux de raffinage \u00bb d'Adtech se consacre \u00e0 la recherche, au d\u00e9veloppement, \u00e0 la production et \u00e0 la commercialisation de flux raffin\u00e9s destin\u00e9s au d\u00e9gazage et \u00e0 l'\u00e9limination des scories du m\u00e9tal en fusion dans le processus de coul\u00e9e des alliages d'aluminium. Le flux d'affinage d'Adtech utilise une technologie unique pour am\u00e9liorer les effets traditionnels de d\u00e9gazage et d'\u00e9limination des scories ; cette technologie est adapt\u00e9e au processus de coul\u00e9e de produits en alliages d'aluminium de plusieurs s\u00e9ries.<\/p>\n

\"Proc\u00e9d\u00e9<\/p>\n

La teneur en humidit\u00e9 de flux de raffinage<\/a> doit \u00eatre maintenue en dessous de 0,31 TP3T, et la puret\u00e9 du gaz inerte doit \u00eatre sup\u00e9rieure \u00e0 99991 TP3T.<\/p>\n

La quantit\u00e9 de raffinage est comprise entre 0,1 et 0,21 TP3T du poids de l'aluminium fondu ; elle peut \u00e9galement \u00eatre d\u00e9termin\u00e9e en fonction de la situation r\u00e9elle sur site.<\/p>\n

Le processus d'affinage doit \u00eatre r\u00e9alis\u00e9 \u00e0 une temp\u00e9rature sp\u00e9cifique afin de permettre le d\u00e9roulement des r\u00e9actions physiques et chimiques lors de la fusion. La temp\u00e9rature de fusion d\u00e9pend du point de fusion de l'alliage. La temp\u00e9rature d'affinage de l'alliage d'aluminium moul\u00e9 est maintenue entre 700 et 740 \u2103. La temp\u00e9rature d'affinage ne doit pas \u00eatre inf\u00e9rieure \u00e0 700 \u2103.<\/p>\n

Au cours du processus d'affinage, il est possible d'approcher le fond du bain et de le faire aller et venir afin que le flux d'affinage soit enti\u00e8rement en contact avec l'aluminium fondu, ce qui permet d'atteindre l'objectif d'affinage.<\/p>\n

Au cours de l'op\u00e9ration d'affinage, l'op\u00e9rateur peut r\u00e9gler librement, \u00e0 l'aide du barom\u00e8tre, le d\u00e9bit du gaz vecteur et du flux d'affinage, ainsi que la vitesse de rotation du doseur de poudre. Il est possible de r\u00e9duire la pollution secondaire en contr\u00f4lant le processus de laminage de l'aluminium fondu.<\/p>\n

La dur\u00e9e de raffinage doit \u00eatre comprise entre 0 et 15 minutes. Si n\u00e9cessaire, il convient de proc\u00e9der \u00e0 deux cycles de raffinage.<\/p>\n

Une fois que les scories ont \u00e9t\u00e9 \u00e9vacu\u00e9es du four, le liquide de refroidissement se r\u00e9chauffe naturellement. Le temps de repos est g\u00e9n\u00e9ralement limit\u00e9 \u00e0 20-30 minutes.<\/p>","protected":false},"excerpt":{"rendered":"

Refining process, tools and other factors will affect the quality of aluminum alloy melt. It must be baked before use. It cannot be operated in…<\/p>","protected":false},"author":1,"featured_media":4013,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[296],"class_list":["post-4009","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-refining-process"],"yoast_head":"\nRefining Process Affect the Quality of Aluminum Alloy Melt<\/title>\n<meta name=\"description\" content=\"Refining process will affect the quality of aluminum alloy melt. 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