{"id":9746,"date":"2021-07-30T06:37:10","date_gmt":"2021-07-30T06:37:10","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9746"},"modified":"2021-07-30T06:37:10","modified_gmt":"2021-07-30T06:37:10","slug":"secondary-aluminum-smelting","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/secondary-aluminum-smelting\/","title":{"rendered":"Fus\u00e3o de alum\u00ednio secund\u00e1rio"},"content":{"rendered":"<p>No que diz respeito \u00e0 tecnologia de fundi\u00e7\u00e3o de alum\u00ednio secund\u00e1rio, o m\u00e9todo de desgaseifica\u00e7\u00e3o comumente utilizado consiste em injetar g\u00e1s no l\u00edquido da liga de alum\u00ednio e, utilizando o princ\u00edpio da press\u00e3o parcial, fazer com que o hidrog\u00eanio presente no l\u00edquido da liga se difunda para as bolhas, a fim de alcan\u00e7ar o objetivo de desgaseifica\u00e7\u00e3o. Al\u00e9m de pistolas de pulveriza\u00e7\u00e3o, tijolos refrat\u00e1rios porosos e l\u00e2minas rotativas, o processo de desgaseifica\u00e7\u00e3o por jato tamb\u00e9m utiliza agita\u00e7\u00e3o eletromagn\u00e9tica e tecnologia de v\u00e1cuo para a desgaseifica\u00e7\u00e3o. Os gases utilizados no jato incluem N\u2082, Cl, Ar, etc.<\/p>\n<p>No que diz respeito aos equipamentos de fundi\u00e7\u00e3o de alum\u00ednio secund\u00e1rio, h\u00e1 diversos tipos de fornos dispon\u00edveis para esse processo; os mais comumente utilizados s\u00e3o os fornos de fus\u00e3o de c\u00e2mara dupla, os fornos de po\u00e7o lateral, etc. Ap\u00f3s a ado\u00e7\u00e3o da tecnologia de recircula\u00e7\u00e3o de fuma\u00e7a no forno de fus\u00e3o de c\u00e2mara dupla, forma-se um g\u00e1s de combust\u00e3o inofensivo ao meio ambiente e, como o forno opera em atmosfera redutora, h\u00e1 pouca perda por queima do metal. Por outro lado, o forno de fus\u00e3o de c\u00e2mara dupla tamb\u00e9m apresenta caracter\u00edsticas como ampla variedade de materiais que podem ser carregados, grande capacidade, aus\u00eancia de sal fundido, alta efici\u00eancia t\u00e9rmica, baixo consumo de energia e opera\u00e7\u00e3o segura. O forno de po\u00e7o lateral \u00e9 composto por uma c\u00e2mara principal de fus\u00e3o, uma c\u00e2mara de sucata e uma c\u00e2mara de bombeamento. Suas principais caracter\u00edsticas s\u00e3o a alta efici\u00eancia t\u00e9rmica e a r\u00e1pida velocidade de fus\u00e3o.<\/p>\n<p>A principal tend\u00eancia no desenvolvimento da tecnologia e dos equipamentos de fundi\u00e7\u00e3o \u00e9 a automa\u00e7\u00e3o do processo operacional, bem como o uso de novos materiais refrat\u00e1rios e novos fundentes. A AdTech continua se concentrando na fabrica\u00e7\u00e3o de materiais metal\u00fargicos e fundentes.<\/p>\n<p>Nossos fluxos incluem <a href=\"http:\/\/www.alalloycasting.com\/pt\/refining-flux\/\">fluxo de refino<\/a>, incluindo fundentes, fundentes para remo\u00e7\u00e3o de esc\u00f3ria, fundentes para remo\u00e7\u00e3o de \u00f3xidos e <a href=\"http:\/\/www.alalloycasting.com\/pt\/granular-flux\/\">fluxo granular<\/a>. O fluxo de refino granular \u00e9 basicamente livre de fuma\u00e7a e n\u00e3o t\u00f3xico quando utilizado, e o efeito de remo\u00e7\u00e3o de inclus\u00f5es \u00e9 muito superior ao do agente de refino tradicional \u00e0 base de p\u00f3. O efeito de remo\u00e7\u00e3o dos metais alcalinos s\u00f3dio, l\u00edtio e c\u00e1lcio atinge o n\u00edvel do g\u00e1s de refino contendo cloro ativo. Ao mesmo tempo, a perda por combust\u00e3o do alum\u00ednio pode ser significativamente reduzida.<\/p>","protected":false},"excerpt":{"rendered":"<p>In terms of secondary aluminum smelting technology, the commonly used degassing method is to spray gas into the aluminum alloy liquid, and use the principle&hellip;<\/p>","protected":false},"author":1,"featured_media":9755,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9746","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Secondary Aluminum Smelting, Degassing Refining<\/title>\n<meta name=\"description\" content=\"In terms of secondary aluminum smelting technology, the commonly used degassing method is to spray gas into the 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