{"id":7024,"date":"2020-12-15T07:39:04","date_gmt":"2020-12-15T07:39:04","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=7024"},"modified":"2020-12-15T07:39:04","modified_gmt":"2020-12-15T07:39:04","slug":"molten-aluminium-cff-filter","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/ar\/molten-aluminium-cff-filter\/","title":{"rendered":"Molten Aluminium CFF Filter"},"content":{"rendered":"<p>The molten aluminium CFF filter is placed in the filter box, and the filter is arranged at a position immediately upstream of the mold to remove the alloy inclusions in the molten aluminum.<\/p>\n<p>The molten aluminium CFF filter includes an aggregated mesh member made of refractory material and a coating formed on the surface of the mesh member. The coating has sodium silicate and sodium carbonate, which can be softened or sticky at the temperature of molten aluminum or molten aluminum alloy.<\/p>\n<p>The aluminum raw material is melted to obtain a molten aluminum alloy, and the impurities are removed from the molten aluminum alloy by adsorbing impurities with sodium silicate and sodium carbonate, thereby filtering the molten aluminum alloy and casting the molten aluminum alloy.<\/p>\n<p>When the assembled mesh member is coated with sodium silicate to form an internal filter, the resulting filter has the following advantages:<\/p>\n<ul>\n<li>It is possible to ensure strong adhesion between the coating compound and the surface of the mesh member, thereby resisting the impact strength and adhesion strength of molten metal.<\/li>\n<li>Even in the case where the mesh member has two or more meshes per linear inch (ie, two or more openings per inch), compounds such as sodium silicate can be adequately covered.<\/li>\n<li>Can significantly improve the removal rate of fine inclusion particles of about 10 to 25\u03bcm.<\/li>\n<\/ul>\n<p>It is currently expected that the resulting aluminum alloy ingot contains 200 ppm or less of oxide inclusions, such as alumina. In order to reduce the content of inclusions to such a low level, the coating amount of sodium silicate is adjusted according to the particle size and content of the inclusions in the molten metal. If the aggregate mesh part is covered by too much soda silicate and the filter screen is too fine, when the amount of inclusions is large, the filter screen will become clogged during short-term operation. It shortens the life of the <a href=\"http:\/\/www.alalloycasting.com\/ar\/cff-filter\/\">\u0645\u0631\u0634\u062d CFF<\/a> and produces poor adhesion between the paint and the surface of the aggregate mesh. Therefore, it is preferable to select the coating amount of sodium silicate in the range of 0.05 g\/cm3 to 1.0 g\/cm3 in order to prevent these problems.<\/p>","protected":false},"excerpt":{"rendered":"<p>The molten aluminium CFF filter is placed in the filter box, and the filter is arranged at a position immediately upstream of the mold to&hellip;<\/p>","protected":false},"author":1,"featured_media":7025,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[138],"tags":[433,104,105,1440,1438,21,427,1439,426,219,425,1441,165],"class_list":["post-7024","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seo","tag-alumina-ceramic-foam-filter","tag-ceramic-filter","tag-ceramic-filter-for-foundry","tag-ceramic-filter-malaysia","tag-ceramic-filter-suppliers","tag-ceramic-foam-filter","tag-ceramic-foam-filter-manufacturers","tag-ceramic-foam-filter-manufacturers-in-india","tag-ceramic-foam-filter-manufacturing-process","tag-ceramic-foam-filter-suppliers","tag-ceramic-foam-filters-for-casting","tag-foam-ceramic-filter","tag-foam-filter-manufacturers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - 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