{"id":7675,"date":"2021-01-21T07:35:46","date_gmt":"2021-01-21T07:35:46","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7675"},"modified":"2021-01-22T09:27:14","modified_gmt":"2021-01-22T09:27:14","slug":"molten-al-refractory-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/ar\/molten-al-refractory-filter\/","title":{"rendered":"Molten Al Refractory Filter"},"content":{"rendered":"<p>According to the molten Al filtering method, the molten Al is allowed to pass through a refractory filter to remove the inclusions therefrom. It is possible to remove relatively large particles of inclusions from the molten Al. However, there is a difficult in removing small inclusion particles of 100 \u03bcm or less, which account for most of the inclusions. In particular, it is difficult to remove fine inclusion particles of about 10 to 25 \u03bcm, although such a removal is inevitable to obtain high-quality aluminum alloys. In order to remove such fine inclusion particles, the conventional filter needs to have a finer mesh. However, in case that the mesh is too fine, when the molten Al has large amounts of inclusions, there is a practical problem that the filter may be clogged in a short-term operation, resulting in a shortened filter lifetime.<\/p>\n<p>Therefore, there has been a demand for a filtering technology that can simultaneously solve the conflicting conventional problems, i.e., a filtering technology capable of reducing inclusions to a given amount that ensures the required molten Al quality and having a sufficiently long filter life, even when the molten Al is obtained by using scrap of aluminum alloy products as a part or all of the aluminum raw material and thereby the molten aluminum alloy contains a large amount of non-metallic inclusions and, in addition, when the non-metallic inclusions include fine inclusion particles of about 10 to 25 \u03bcm for the most part.<\/p>\n<p>For this purpose, the <a href=\"http:\/\/www.alalloycasting.com\/ar\/ceramic-foam-filter-from-adtech\/\">\u0645\u0631\u0634\u062d \u0631\u063a\u0648\u064a \u062e\u0632\u0641\u064a<\/a> instead of the above-mentioned conventional filter that is made only of a refractory aggregate meshed member in which the filtering is performed only by depositing inclusion particles on the filter surface (this type is called \u201csurface filter\u201d). The molten Al refractory filter includes a refractory aggregate meshed member coated with a compound that is able to be softened or viscous at the temperature of molten aluminum alloy. With this filter, the inclusion particles can be absorbed by the coating compound (i.e., the coating layer of the aggregate meshed member), to be removed from the molten Al (this type is called \u201cinternal filter\u201d).<\/p>","protected":false},"excerpt":{"rendered":"<p>According to the molten Al filtering method, the molten Al is allowed to pass through a refractory filter to remove the inclusions therefrom. It is&hellip;<\/p>","protected":false},"author":1,"featured_media":7676,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[4345,1678,4630,21,1677,420,419,1679,484,89,483],"class_list":["post-7675","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-alumina-ceramic","tag-alumina-ceramic-foam-filter-plate","tag-ceramic-fiber-board","tag-ceramic-foam-filter","tag-ceramic-foam-filter-for-liquid-aluminum","tag-foam-filter","tag-foam-filter-material","tag-high-grade-ceramic-foam-filters","tag-liquid-aluminum-filter","tag-molten-aluminum-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>Molten Al Refractory Filter - sales@alalloycasting.com<\/title>\n<meta name=\"description\" content=\"According to the molten Al filtering method, the molten Al is allowed to pass through a refractory filter to remove the inclusions therefrom.\" \/>\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\/ar\/molten-al-refractory-filter\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Molten Al Refractory Filter - 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