{"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\/pt\/refining-process\/","title":{"rendered":"Processo de refino"},"content":{"rendered":"

O processo de refino, as ferramentas e outros fatores afetam a qualidade da liga de alum\u00ednio fundida. Ela deve ser submetida a um processo de cozimento antes do uso. N\u00e3o pode ser utilizada em condi\u00e7\u00f5es de baixa temperatura e \u00e9 revestida com uma camada protetora para impedir que o metal continue absorvendo hidrog\u00eanio e aumente o teor de ferro.<\/p>\n

A Adtech \u00e9 especializada na pesquisa, desenvolvimento, produ\u00e7\u00e3o e comercializa\u00e7\u00e3o de fluxo refinado para desgaseifica\u00e7\u00e3o e remo\u00e7\u00e3o de esc\u00f3ria do metal fundido no processo de fundi\u00e7\u00e3o de ligas de alum\u00ednio. O fluxo de refino da Adtech utiliza uma tecnologia exclusiva para aprimorar os efeitos tradicionais de desgaseifica\u00e7\u00e3o e remo\u00e7\u00e3o de esc\u00f3ria, sendo adequado para o processo de fundi\u00e7\u00e3o de produtos de ligas de alum\u00ednio de diversas s\u00e9ries.<\/p>\n

\"Processo<\/p>\n

O teor de umidade de fluxo de refino<\/a> deve ser mantida abaixo de 0,3%, e a pureza do g\u00e1s inerte deve ser superior a 9999%.<\/p>\n

A quantidade de refinamento \u00e9 de 0,1 a 0,21 TP3T do peso do alum\u00ednio fundido, podendo tamb\u00e9m ser determinada de acordo com a situa\u00e7\u00e3o real no local.<\/p>\n

O processo de refinamento deve ser realizado a uma temperatura espec\u00edfica para que ocorram rea\u00e7\u00f5es f\u00edsicas e qu\u00edmicas durante a fus\u00e3o. A temperatura de fus\u00e3o depende do ponto de fus\u00e3o da liga. A temperatura de refinamento da liga de alum\u00ednio fundido \u00e9 mantida entre 700 e 740 \u2103. A temperatura durante a opera\u00e7\u00e3o de refinamento n\u00e3o deve ser inferior a 700 \u2103.<\/p>\n

No processo de refinamento, \u00e9 poss\u00edvel aproximar o fundo do banho e mov\u00ea-lo para frente e para tr\u00e1s, de modo que o fluxo de refinamento entre em contato total com o alum\u00ednio fundido, alcan\u00e7ando assim o objetivo do refinamento.<\/p>\n

Durante a opera\u00e7\u00e3o de refinamento, o operador pode controlar livremente o fluxo do g\u00e1s de arrasto e do fluxo de refinamento, bem como a velocidade de rota\u00e7\u00e3o do alimentador de p\u00f3, por meio do bar\u00f4metro. A polui\u00e7\u00e3o secund\u00e1ria pode ser reduzida por meio do controle do processo de lamina\u00e7\u00e3o do alum\u00ednio fundido.<\/p>\n

O tempo de refinamento deve ser mantido entre 0 e 15 minutos. Se necess\u00e1rio, deve-se realizar duas etapas de refinamento.<\/p>\n

Ap\u00f3s a descarga da esc\u00f3ria do forno, o l\u00edquido de resfriamento \u00e9 aquecido naturalmente. O tempo de repouso \u00e9 geralmente limitado a 20-30 minutos.<\/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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