{"id":7166,"date":"2020-12-24T02:12:39","date_gmt":"2020-12-24T02:12:39","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7166"},"modified":"2020-12-24T02:12:39","modified_gmt":"2020-12-24T02:12:39","slug":"ceramic-filter-molten-aluminum-filtration","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/ceramic-filter-molten-aluminum-filtration\/","title":{"rendered":"Filtro cer\u00e2mico para filtragem de alum\u00ednio fundido"},"content":{"rendered":"<p>O filtro de espuma cer\u00e2mica aumenta a resist\u00eancia ao fluxo do alum\u00ednio fundido, prolonga o tempo m\u00e9dio de perman\u00eancia do alum\u00ednio fundido e reduz a fra\u00e7\u00e3o volum\u00e9trica da zona morta do distribuidor. Os filtros de espuma cer\u00e2mica podem melhorar significativamente a taxa de remo\u00e7\u00e3o de inclus\u00f5es de pequeno porte e tamb\u00e9m podem compensar parte da redu\u00e7\u00e3o na taxa de remo\u00e7\u00e3o de inclus\u00f5es causada pelo aumento da densidade.<\/p>\n<p>Durante o processo de produ\u00e7\u00e3o por lingotamento cont\u00ednuo, devido \u00e0 dessulfura\u00e7\u00e3o, desoxida\u00e7\u00e3o e liga do alum\u00ednio fundido, \u00e0 intera\u00e7\u00e3o entre o alum\u00ednio fundido e a esc\u00f3ria, bem como \u00e0 perda por fus\u00e3o e \u00e0 fragmenta\u00e7\u00e3o de materiais refrat\u00e1rios, como os revestimentos dos fornos, s\u00e3o produzidos diversos \u00f3xidos, nitretos e sulfetos. Inclus\u00f5es n\u00e3o met\u00e1licas. Essas inclus\u00f5es n\u00e3o met\u00e1licas afetam gravemente a resist\u00eancia, a tenacidade e a resist\u00eancia \u00e0 fadiga dos produtos de alum\u00ednio, al\u00e9m de reduzirem a confiabilidade do produto.<\/p>\n<p>Como \u00faltimo est\u00e1gio de remo\u00e7\u00e3o de inclus\u00f5es antes da fundi\u00e7\u00e3o cont\u00ednua do alum\u00ednio fundido, o distribuidor tem um impacto significativo na pureza do alum\u00ednio fundido. A fim de melhorar a taxa de remo\u00e7\u00e3o de inclus\u00f5es, dispositivos de controle de fluxo, como supressores de turbul\u00eancia e barragens, s\u00e3o geralmente instalados no distribuidor para melhorar o campo de fluxo e a distribui\u00e7\u00e3o de temperatura do alum\u00ednio fundido, promovendo assim a remo\u00e7\u00e3o por flutua\u00e7\u00e3o das inclus\u00f5es. No entanto, os dispositivos comuns de controle de fluxo s\u00f3 conseguem remover inclus\u00f5es de grande porte. Para inclus\u00f5es com tamanho inferior a 50 \u03bcm, o efeito de remo\u00e7\u00e3o por flutua\u00e7\u00e3o n\u00e3o \u00e9 ideal devido \u00e0 flutuabilidade limitada.<\/p>\n<p><a href=\"http:\/\/www.alalloycasting.com\/pt\/foam-ceramicceramic-foam-filter-filtration\/\">Filtragem por filtro de espuma cer\u00e2mica<\/a> Essa tecnologia tem sido um ponto de destaque na pesquisa sobre a remo\u00e7\u00e3o de inclus\u00f5es nos \u00faltimos anos. Utiliza-se materiais refrat\u00e1rios microporosos para desenvolver um filtro cer\u00e2mico poroso com elevada estabilidade qu\u00edmica e grande capacidade de adsor\u00e7\u00e3o, que \u00e9 ent\u00e3o instalado no distribuidor. Quando o alum\u00ednio l\u00edquido flui atrav\u00e9s do filtro cer\u00e2mico, os orif\u00edcios do filtro comprimem o alum\u00ednio, alterando a estrutura do campo de fluxo para for\u00e7ar as inclus\u00f5es a se separarem do alum\u00ednio fundido e se deslocarem para a parede do orif\u00edcio, sendo ent\u00e3o adsorvidas e removidas pelo filtro cer\u00e2mico. Esse processo de remo\u00e7\u00e3o depende principalmente da adsor\u00e7\u00e3o das inclus\u00f5es pelos refrat\u00e1rios microporosos, e a flutuabilidade das inclus\u00f5es n\u00e3o \u00e9 muito afetada. Portanto, o efeito de remo\u00e7\u00e3o de inclus\u00f5es de pequeno porte pode ser efetivamente aprimorado.<\/p>","protected":false},"excerpt":{"rendered":"<p>The ceramic foam filter increases the flow resistance of the molten aluminum, prolongs the average residence time of the molten aluminum, and reduces the volume&hellip;<\/p>","protected":false},"author":1,"featured_media":7167,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[],"class_list":["post-7166","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ceramic Filter Molten Aluminum Filtration, Molten Metal Filter<\/title>\n<meta name=\"description\" content=\"Ceramic foam filter can significantly improve the removal rate of small-size inclusions. CFF filtration technology is a research hotspot.\" \/>\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\/pt\/ceramic-filter-molten-aluminum-filtration\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ceramic Filter Molten Aluminum Filtration, Molten Metal Filter\" \/>\n<meta property=\"og:description\" content=\"Ceramic foam filter can significantly improve the removal rate of small-size inclusions. CFF filtration technology is a research hotspot.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.alalloycasting.com\/pt\/ceramic-filter-molten-aluminum-filtration\/\" \/>\n<meta property=\"og:site_name\" content=\"alalloycasting\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-24T02:12:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/12\/Ceramic-Filter.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"500\" \/>\n\t<meta property=\"og:image:height\" content=\"400\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"AdTech\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"AdTech\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/ceramic-filter-molten-aluminum-filtration\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/ceramic-filter-molten-aluminum-filtration\\\/\"},\"author\":{\"name\":\"AdTech\",\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/#\\\/schema\\\/person\\\/431d9c832111002d5e0bf6dc57a33c20\"},\"headline\":\"Ceramic Filter Molten Aluminum Filtration\",\"datePublished\":\"2020-12-24T02:12:39+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/ceramic-filter-molten-aluminum-filtration\\\/\"},\"wordCount\":356,\"publisher\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/ceramic-filter-molten-aluminum-filtration\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.alalloycasting.com\\\/wp-content\\\/uploads\\\/2020\\\/12\\\/Ceramic-Filter.jpg\",\"articleSection\":[\"SEO\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/ceramic-filter-molten-aluminum-filtration\\\/\",\"url\":\"https:\\\/\\\/www.alalloycasting.com\\\/ceramic-filter-molten-aluminum-filtration\\\/\",\"name\":\"Ceramic Filter Molten Aluminum Filtration, Molten Metal Filter\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/ceramic-filter-molten-aluminum-filtration\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.alalloycasting.com\\\/ceramic-filter-molten-aluminum-filtration\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.alalloycasting.com\\\/wp-content\\\/uploads\\\/2020\\\/12\\\/Ceramic-Filter.jpg\",\"datePublished\":\"2020-12-24T02:12:39+00:00\",\"description\":\"Ceramic foam filter can significantly improve the removal rate of small-size inclusions. 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