{"id":11778,"date":"2021-12-12T08:37:29","date_gmt":"2021-12-12T08:37:29","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11778"},"modified":"2021-12-12T08:37:29","modified_gmt":"2021-12-12T08:37:29","slug":"filtro-de-aluminio-fundido","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/filtro-de-aluminio-fundido\/","title":{"rendered":"Filtro de alum\u00ednio fundido"},"content":{"rendered":"<p>O filtro de alum\u00ednio fundido \u00e9 um meio filtrante composto por um material resistente a altas temperaturas e um material cer\u00e2mico poroso que n\u00e3o \u00e9 facilmente molhado pelo metal fundido.<\/p>\n<p>Existe um intervalo de tempo entre o momento em que o metal fundido chega ao meio filtrante e o momento em que o metal fundido come\u00e7a a passar pelo filtro. Durante o processo de filtra\u00e7\u00e3o, o n\u00edvel da \u00e1gua deve ser superior ao n\u00edvel do metal fundido.<\/p>\n<p>Na fus\u00e3o, refino e conforma\u00e7\u00e3o de metais, especialmente na fundi\u00e7\u00e3o de metal fundido, \u00e9 recomend\u00e1vel separar as inclus\u00f5es do metal fundido.<\/p>\n<p>As impurezas prov\u00eam de esc\u00f3ria, esc\u00f3ria e \u00f3xidos, na forma de esc\u00f3ria, esc\u00f3ria e \u00f3xidos na superf\u00edcie da massa fundida, bem como de pequenos fragmentos de materiais refrat\u00e1rios, que s\u00e3o utilizados para formar uma c\u00e2mara ou recipiente, onde s\u00e3o fundidos para formar um metal fundido.<\/p>\n<p>Se essas inclus\u00f5es n\u00e3o forem removidas do metal fundido, isso pode fazer com que o corpo met\u00e1lico final solidificado (o produto final da opera\u00e7\u00e3o de fundi\u00e7\u00e3o) fique enfraquecido ou apresente maior porosidade.<\/p>\n<p>Em circunst\u00e2ncias normais, o agente de refino granular \u00e9 adicionado primeiro ao l\u00edquido de alum\u00ednio, e o tratamento de remo\u00e7\u00e3o de esc\u00f3ria \u00e9 realizado ap\u00f3s a rea\u00e7\u00e3o estar completa. Antes do dispositivo de filtragem do l\u00edquido de alum\u00ednio, h\u00e1 um tanque de desgaseifica\u00e7\u00e3o, utilizado para remover o hidrog\u00eanio do l\u00edquido de alum\u00ednio. Por fim, ap\u00f3s passar pelo dispositivo de filtragem, as impurezas s\u00e3o filtradas da massa fundida de alum\u00ednio.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11780\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/12\/Molten-Aluminum-Filtering-Process-1.jpg\" alt=\"\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/12\/Molten-Aluminum-Filtering-Process-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/12\/Molten-Aluminum-Filtering-Process-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>El <a href=\"http:\/\/www.alalloycasting.com\/pt\/filtro-de-espuma-ceramica\/\">filtro de cer\u00e2mica<\/a> \u00c9 um filtro de alum\u00ednio fundido particularmente eficaz e de longa durabilidade para filtrar impurezas, tanto de \u00f3xidos quanto de outros materiais.<\/p>\n<p>O filtro de alum\u00ednio fundido \u00e9 feito de um material de espuma flex\u00edvel hidrof\u00edlica de poros abertos, possui uma pluralidade de cavidades interconectadas e \u00e9 envolto por uma rede de material de espuma flex\u00edvel. Os materiais t\u00edpicos que podem ser utilizados incluem espumas polim\u00e9ricas, tais como espumas de poliuretano. A espuma deve queimar ou volatilizar-se abaixo da temperatura de queima do material cer\u00e2mico utilizado.<\/p>\n<p>Al\u00e9m disso, deve-se utilizar espuma com 5 a 100 poros por polegada para proporcionar a superf\u00edcie de filtragem necess\u00e1ria. \u00c9 claro que o tamanho do material de espuma pode variar de acordo com o tamanho final exigido. Naturalmente, a espuma cer\u00e2mica pode ter qualquer configura\u00e7\u00e3o desejada, com base na configura\u00e7\u00e3o necess\u00e1ria para um processo espec\u00edfico de filtragem de metal fundido.<\/p>","protected":false},"excerpt":{"rendered":"<p>El filtro de aluminio fundido es un medio filtrante hecho de un material resistente a altas temperaturas y un material cer\u00e1mico poroso que no se&hellip;<\/p>","protected":false},"author":1,"featured_media":11779,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[],"class_list":["post-11778","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>Filtro de aluminio fundido -sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"El filtro 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