{"id":12248,"date":"2022-01-13T03:22:09","date_gmt":"2022-01-13T03:22:09","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=12248"},"modified":"2022-01-13T03:22:09","modified_gmt":"2022-01-13T03:22:09","slug":"high-temperature-ceramic-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/high-temperature-ceramic-filter\/","title":{"rendered":"Filtro cer\u00e1mico para altas temperaturas"},"content":{"rendered":"<p>Los filtros cer\u00e1micos para altas temperaturas que fabricamos utilizan al\u00famina como material principal y presentan una estructura reticular tridimensional.<\/p>\n<p>El metal fundido suele contener impurezas en forma de inclusiones que no se eliminan durante el proceso de refinado. Para obtener materias primas met\u00e1licas de alta calidad destinadas a la fabricaci\u00f3n de chapas, el trefilado fino y la fundici\u00f3n de precisi\u00f3n, a menudo es necesario eliminar estas inclusiones haciendo pasar el metal fundido por filtros.<\/p>\n<p>En el estado de la t\u00e9cnica, para filtrar metal fundido se utilizan espumas cer\u00e1micas con celdas internas abiertas. Las condiciones de temperatura del filtro son muy estrictas, y la temperatura del metal fundido que se va a filtrar alcanza unos 1500 \u00b0C o m\u00e1s, lo que exige una selecci\u00f3n rigurosa de materiales y estructuras capaces de soportar el choque t\u00e9rmico.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-12249\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2022\/01\/High-Temperature-Ceramic-Filter.jpg\" alt=\"Filtro cer\u00e1mico para altas temperaturas\" width=\"600\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2022\/01\/High-Temperature-Ceramic-Filter.jpg 600w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2022\/01\/High-Temperature-Ceramic-Filter-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n<p><strong>Proceso de fabricaci\u00f3n de filtros de espuma cer\u00e1mica<\/strong><\/p>\n<p>La materia prima en polvo y el agente espumante se mezclan y se expanden simult\u00e1neamente, y posteriormente se someten a cocci\u00f3n para formar un cuerpo poroso. Dado que la proporci\u00f3n de mezcla del agente espumante, en forma de material org\u00e1nico, alcanza aproximadamente el 40% en peso, la cer\u00e1mica que forma el esqueleto tras la cocci\u00f3n presenta una estructura no uniforme, en lugar de una estructura densa. Dado que resulta dif\u00edcil controlar los poros o la red formada mediante el moldeo por soplado, se obtiene un cuerpo poroso en el que se producen p\u00e9rdidas de presi\u00f3n considerables.<\/p>\n<p>El filtro cer\u00e1mico para altas temperaturas presenta resistencia al calor, baja expansi\u00f3n t\u00e9rmica, resistencia a los choques t\u00e9rmicos provocados por metales fundidos a m\u00e1s de 1500 \u00b0C \u2014como la aleaci\u00f3n de acero inoxidable fundida\u2014, resistencia mec\u00e1nica, obstrucci\u00f3n m\u00ednima y baja p\u00e9rdida de presi\u00f3n, y resulta eficaz para la filtraci\u00f3n de metales fundidos.<\/p>\n<p>Es bien sabido que las espumas cer\u00e1micas reticuladas tridimensionales con celdas abiertas se preparan aplicando una pasta cer\u00e1mica sobre un sustrato en forma de espuma de resina sint\u00e9tica, eliminando el exceso de pasta, secando y cociendo el sustrato recubierto. Para que la espuma cer\u00e1mica tenga la resistencia suficiente para soportar la <a href=\"http:\/\/www.alalloycasting.com\/es\/filtration-of-molten-metal\/\">filtraci\u00f3n de metal fundido<\/a>, es necesario aplicar una gran cantidad de pasta cer\u00e1mica sobre la espuma de resina sint\u00e9tica. Este filtro cer\u00e1mico presenta una p\u00e9rdida de presi\u00f3n reducida y un buen rendimiento de filtraci\u00f3n.<\/p>\n<div class=\"su-youtube su-u-responsive-media-yes\"><iframe loading=\"lazy\" width=\"600\" height=\"400\" src=\"https:\/\/www.youtube.com\/embed\/4mA_MJl-Oy4?\" frameborder=\"0\" allowfullscreen allow=\"autoplay; encrypted-media; picture-in-picture\" title=\"\"><\/iframe><\/div>","protected":false},"excerpt":{"rendered":"<p>High Temperature Ceramic Filter we produce use alumina as the main material and have a three-dimensional network structure. Molten metal often contains impurities in the&hellip;<\/p>","protected":false},"author":1,"featured_media":12249,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[13153,483],"class_list":["post-12248","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-high-temperature-ceramic-filter","tag-molten-metal-filter"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>High Temperature Ceramic Filter, Molten Metal Filter<\/title>\n<meta name=\"description\" content=\"High Temperature Ceramic Filter we produce use alumina as the main material and have a three-dimensional network structure.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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