{"id":11533,"date":"2021-11-29T05:20:45","date_gmt":"2021-11-29T05:20:45","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11533"},"modified":"2021-11-29T05:20:45","modified_gmt":"2021-11-29T05:20:45","slug":"aluminum-cast-house-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminum-cast-house-filter\/","title":{"rendered":"Filtro de alum\u00ednio fundido"},"content":{"rendered":"<p>A capacidade de filtragem (a efici\u00eancia na remo\u00e7\u00e3o de inclus\u00f5es) do filtro de espuma cer\u00e2mica da fundi\u00e7\u00e3o de alum\u00ednio depende principalmente da rugosidade (n\u00famero de malhas) da malha formada no elemento de malha de agregado. Portanto, para remover pequenas part\u00edculas de inclus\u00f5es de cerca de 10 a 25 \u03bcm, o elemento de malha de agregado refrat\u00e1rio deve, de prefer\u00eancia, ter malhas finas, especificamente 2 por polegada, e, mais preferencialmente, 6 ou mais aberturas por polegada. No entanto, no caso de muitas inclus\u00f5es, orif\u00edcios de peneira muito finos podem causar o problema real de entupimento do filtro em um tempo de opera\u00e7\u00e3o relativamente curto, reduzindo assim a vida \u00fatil do filtro. Portanto, para evitar a redu\u00e7\u00e3o da vida \u00fatil do filtro, a finura da tela deve ser, de prefer\u00eancia, de 10 orif\u00edcios por polegada ou menos.<\/p>\n<p>Como material refrat\u00e1rio do elemento de malha agregada, pode-se utilizar qualquer material refrat\u00e1rio capaz de formar um elemento de malha. O material refrat\u00e1rio convencional pode ser adequadamente selecionado entre alumina, magn\u00e9sia, s\u00edlica, mulita, carboneto de sil\u00edcio e misturas destes. Em seguida, a argila ou a pasta desses materiais cer\u00e2micos \u00e9 moldada e cozida, formando um corpo poroso com formato adequado e com o tamanho de malha desejado, como, por exemplo, formato de favo de mel ou de tubo, para formar um elemento em forma de rede. A forma adequada do elemento de malha permite que o filtro obtido tenha a resist\u00eancia necess\u00e1ria para suportar o choque t\u00e9rmico e a abras\u00e3o causados pelo Al fundido.<\/p>\n<p>As mat\u00e9rias-primas de alum\u00ednio s\u00e3o fundidas em um forno. O alum\u00ednio fundido obtido \u00e9 transportado para o forno de manuten\u00e7\u00e3o por meio do <a href=\"http:\/\/www.alalloycasting.com\/pt\/molten-aluminum-launder\/\">canal de alum\u00ednio fundido<\/a>, onde \u00e9 refinado conforme necess\u00e1rio. Em seguida, o alum\u00ednio fundido \u00e9 desgaseificado por um dispositivo de desgaseifica\u00e7\u00e3o. O alum\u00ednio fundido desgaseificado passa pelo canal de alum\u00ednio fundido e pelo filtro da casa de fundi\u00e7\u00e3o de alum\u00ednio antes de fluir para o molde. O forno de reten\u00e7\u00e3o e o dispositivo de desgaseifica\u00e7\u00e3o n\u00e3o precisam ser utilizados; caso sejam utilizados, podem ser dispostos em qualquer etapa, conforme necess\u00e1rio.<\/p>\n<p>O filtro de espuma cer\u00e2mica para fundi\u00e7\u00e3o de alum\u00ednio pode ser instalado na caixa de filtragem como uma barragem para bloquear o alum\u00ednio fundido. Tamb\u00e9m \u00e9 poss\u00edvel instalar um conjunto de filtros como um sistema de filtragem em m\u00faltiplos est\u00e1gios.<\/p>","protected":false},"excerpt":{"rendered":"<p>The filtering capacity (the efficiency of removing inclusions) of the aluminum cast house ceramic foam filter mainly depends on the roughness (number of meshes) of&hellip;<\/p>","protected":false},"author":1,"featured_media":11534,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12992,4682],"class_list":["post-11533","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-aluminum-cast-house-filter","tag-ceramic-foam-filter-for-casting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aluminum Cast House Filter, Ceramic Foam Filter for Casting<\/title>\n<meta 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