{"id":9349,"date":"2021-06-27T06:27:52","date_gmt":"2021-06-27T06:27:52","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9349"},"modified":"2021-06-25T06:33:50","modified_gmt":"2021-06-25T06:33:50","slug":"aluminum-alloy-refining-flux","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminum-alloy-refining-flux\/","title":{"rendered":"Fluxo para refino de ligas de alum\u00ednio"},"content":{"rendered":"

O fluxo de refino de liga de alum\u00ednio \u00e9 um tipo de part\u00edcula em p\u00f3 que entra em contato total com o metal fundido. Os gases e as inclus\u00f5es presentes no alum\u00ednio l\u00edquido s\u00e3o levados \u00e0 superf\u00edcie do alum\u00ednio l\u00edquido por meio de a\u00e7\u00f5es f\u00edsicas e qu\u00edmicas, e, ao mesmo tempo, alcan\u00e7a-se o objetivo de desgaseifica\u00e7\u00e3o e remo\u00e7\u00e3o de esc\u00f3ria.<\/p>\n

Alum\u00ednio agente refinador<\/a> \u00c9 isento de fuma\u00e7a, ins\u00edpido, livre de poeira e f\u00e1cil de operar. Por exemplo, a cobertura especial em forma de sino para o tratamento de fundi\u00e7\u00e3o apresenta melhor desempenho, e os equipamentos n\u00e3o sofrem corros\u00e3o; o produto refinado apresenta bom efeito de desgaseifica\u00e7\u00e3o. Em condi\u00e7\u00f5es normais, o grau de porosidade pode atingir 1-2.<\/p>\n

Aplica\u00e7\u00e3o do fluxo de refino de ligas de alum\u00ednio<\/strong><\/p>\n

1. A dosagem da prepara\u00e7\u00e3o refinada \u00e9 de cerca de 0,3% (dependendo da situa\u00e7\u00e3o).<\/p>\n

2. Durante o uso, despeje o produto em um recipiente especial, passe arg\u00f4nio ou nitrog\u00eanio seco, pressurize e injeite no alum\u00ednio l\u00edquido, mexa uniformemente, interrompa a rea\u00e7\u00e3o, deixe repousar por um certo tempo e, em seguida, fa\u00e7a a fundi\u00e7\u00e3o.<\/p>\n

3. O p\u00f3 de alum\u00ednio refinado \u00e9 espalhado sobre a superf\u00edcie do l\u00edquido e rapidamente pressionado para dentro do alum\u00ednio l\u00edquido. Misture bem e deixe repousar para escorrer. Se for utilizado pulverizador, \u00e9 melhor injetar o agente refinador no alum\u00ednio l\u00edquido com g\u00e1s inerte.<\/p>\n

4. Pressione o agente refinador contra o fundo do alum\u00ednio fundido. Nesse momento, devido \u00e0 grande quantidade de calor liberado pela rea\u00e7\u00e3o, o alum\u00ednio l\u00edquido fica rapidamente vermelho ao ser aquecido. O agente refinador deve estar em contato total com o alum\u00ednio l\u00edquido. Depois que a esc\u00f3ria secar e se transformar em p\u00f3, ela poder\u00e1 ser removida.<\/p>\n

Quando o alum\u00ednio l\u00edquido atingiu 700-740 \u00b0, foram adicionados 5 kg de fluxo para fundi\u00e7\u00e3o de liga de alum\u00ednio da Adtech a cada tonelada de alum\u00ednio l\u00edquido.<\/p>\n

Coloque o fluxo no equipamento de pulveriza\u00e7\u00e3o de p\u00f3. Sob a a\u00e7\u00e3o de nitrog\u00eanio ou arg\u00f4nio, pulverize o fluxo duas vezes sobre o alum\u00ednio l\u00edquido, aproxime o bico do fundo do forno e agite uniformemente, de modo que o fluxo possa entrar em contato total com o alum\u00ednio l\u00edquido. Em seguida, ap\u00f3s a a\u00e7\u00e3o f\u00edsica ou qu\u00edmica do nitrog\u00eanio, refine com arg\u00f4nio no fundo do forno por 20 minutos, formando muitas bolhas min\u00fasculas. Os \u00e1tomos de hidrog\u00eanio e a esc\u00f3ria s\u00e3o separados do alum\u00ednio l\u00edquido pelas bolhas, concluindo-se assim a remo\u00e7\u00e3o da esc\u00f3ria e a purifica\u00e7\u00e3o.<\/p>","protected":false},"excerpt":{"rendered":"

Aluminum alloy refining flux is a kind of powder particles that are in full contact with molten metal. The gas and inclusion in liquid aluminum…<\/p>","protected":false},"author":1,"featured_media":9350,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9349","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"\nAluminum Alloy Refining Flux, Fluxes for Aluminum Melting<\/title>\n<meta name=\"description\" content=\"Aluminum alloy refining flux is a kind of powder particles that are in full contact with molten metal. 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