{"id":9732,"date":"2021-07-30T03:43:46","date_gmt":"2021-07-30T03:43:46","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=9732"},"modified":"2021-07-30T03:43:46","modified_gmt":"2021-07-30T03:43:46","slug":"fluxes-for-aluminum-smelter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/fluxes-for-aluminum-smelter\/","title":{"rendered":"Fundentes para fundiciones de aluminio"},"content":{"rendered":"<p>Los fundentes para fundiciones de aluminio son materiales auxiliares indispensables en el proceso de fundici\u00f3n de aluminio secundario. Adem\u00e1s de utilizarse como agente de recubrimiento, su funci\u00f3n m\u00e1s importante es la de agente refinador y modificador. Los requisitos b\u00e1sicos de los fundentes para fundiciones de aluminio son: que su punto de fusi\u00f3n sea inferior al del aluminio y las aleaciones de aluminio, y que su densidad sea menor que la del aluminio y las aleaciones de aluminio. No deben reaccionar con los gases del horno, el revestimiento del horno, el aluminio fundido ni las aleaciones de aluminio. Al mismo tiempo, el fundente debe presentar una buena humectabilidad sobre la pel\u00edcula de \u00f3xido y ser econ\u00f3mico y f\u00e1cil de manejar.<\/p>\n<p>Por lo general, se requiere que el punto de fusi\u00f3n del fundente para fundici\u00f3n de aluminio sea inferior a la temperatura de fusi\u00f3n del aluminio y de las aleaciones de aluminio, de modo que el <a href=\"http:\/\/www.alalloycasting.com\/es\/covering-flux\/\">flujo de recubrimiento<\/a> puede cubrir la superficie del aluminio y de las aleaciones de aluminio fundidos en estado l\u00edquido. Las sales de cloruro y de fl\u00faor, de uso habitual, tienen un punto de fusi\u00f3n m\u00e1s alto que el del aluminio y las aleaciones de aluminio. Por lo tanto, se selecciona como fundente una sal mixta que pueda encontrarse en estado eut\u00e9ctico o en estado de soluci\u00f3n s\u00f3lida. El cloruro de sodio y el cloruro de potasio pueden formar una sal eut\u00e9ctica fusible.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9734\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/07\/Fluxes-for-Aluminum-Smelter-1.jpg\" alt=\"Fundentes para fundiciones de aluminio\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/07\/Fluxes-for-Aluminum-Smelter-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/07\/Fluxes-for-Aluminum-Smelter-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>El punto de fusi\u00f3n de la composici\u00f3n eut\u00e9ctica de 55% KCl y 45% NlCl es de 650 \u2103, lo que permite mantener el nivel del l\u00edquido con buena fluidez a la temperatura de fusi\u00f3n de la aleaci\u00f3n de aluminio. La densidad del l\u00edquido de la sal mixta es de 1,5 g\/cm\u00b3, inferior a la del aluminio fundido (2,4\u20132,5 g\/cm\u00b3), por lo que puede cubrir mejor la superficie de los fundidos de aluminio y aleaciones de aluminio. La sal binaria presenta una buena estabilidad qu\u00edmica, no reacciona qu\u00edmicamente con el aluminio fundido y tiene cierta capacidad para disolver las inclusiones de \u00f3xido de aluminio y el hidr\u00f3geno presentes en los fundidos de aluminio y aleaciones de aluminio. Por lo tanto, la sal eut\u00e9ctica mixta de cloruro de sodio y cloruro de potasio se utiliza a menudo como componente b\u00e1sico de los fundentes para aluminio y aleaciones de aluminio.<\/p>\n<p>Para mejorar las propiedades del fundente, es necesario a\u00f1adir ingredientes adicionales. Partiendo de la sal clorura eut\u00e9ctica, se puede a\u00f1adir una cantidad adecuada de sal fluorada, como fluoruro de sodio, fluoruro de calcio, criolita, etc., para potenciar la capacidad del fundente para disolver \u00f3xidos, especialmente la al\u00famina. La adici\u00f3n de sal fluorada tambi\u00e9n puede aumentar la humectabilidad del fundente sobre la al\u00famina, mejorando as\u00ed su capacidad de adsorci\u00f3n, y al mismo tiempo aumentar la tensi\u00f3n superficial del fundente, lo que facilita su separaci\u00f3n de los fundidos de aluminio y aleaciones de aluminio, y reduce la posibilidad de que se mezclen con el fundente.<\/p>","protected":false},"excerpt":{"rendered":"<p>Fluxes for Aluminum Smelter are indispensable auxiliary materials in the smelting process of secondary aluminum smelting process. In addition to being used as a covering&hellip;<\/p>","protected":false},"author":1,"featured_media":9733,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-9732","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>Fluxes for Aluminum Smelter - AdTech Flux for Foundry<\/title>\n<meta name=\"description\" content=\"Fluxes for Aluminum Smelter are indispensable auxiliary materials in the smelting process of secondary aluminum smelting process.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alalloycasting.com\/es\/fluxes-for-aluminum-smelter\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fluxes for Aluminum Smelter - 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