{"id":6174,"date":"2021-06-05T06:38:05","date_gmt":"2021-06-05T06:38:05","guid":{"rendered":"https:\/\/www.aluminiumceramicfiber.com\/?p=6174"},"modified":"2021-06-04T06:50:25","modified_gmt":"2021-06-04T06:50:25","slug":"metal-degassing-filtering","status":"publish","type":"post","link":"https:\/\/www.aluminiumceramicfiber.com\/id\/metal-degassing-filtering\/","title":{"rendered":"Penyaringan dan Penghilangan Gas pada Logam"},"content":{"rendered":"<p>In order to get the molten metal cleanliness. First, it must be ensured that the melting and holding practices used before casting are as close to best practices as possible. The higher the cleanliness of the molten aluminum before the metal degassing filtering operation, the higher the cleanliness after treatment.<\/p>\n<p>It is necessary to combine the use of the correct <a href=\"https:\/\/www.aluminiumceramicfiber.com\/id\/degassing-filtering-equipment\/\">degassing filter equipment<\/a> to properly manage the cleanliness of the molten metal. The cleanliness of molten metal is one of the main challenges for most foundries. They must produce slabs with a sufficiently low content of hydrogen, alkali metals, and inclusions to make the final product suitable for its end-use. This is especially important when rolling slabs into sheets used to make beverage cans or foils.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6175\" src=\"https:\/\/aluminiumceramicfiber.com\/wp-content\/uploads\/2021\/06\/Metal-Degassing-Filtering.jpg\" alt=\"Penyaringan dan Penghilangan Gas pada Logam\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2021\/06\/Metal-Degassing-Filtering.jpg 500w, https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2021\/06\/Metal-Degassing-Filtering-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Depending on the product, the next key operation may be the metal degassing filtering equipment.<\/p>\n<p>There are many different types of degassers, but most rely on rotating degassing units. The rotor injects a chemically active reactant (chlorine) mixed with a carrier gas (argon or nitrogen) into fine bubbles into the molten metal. The key to operating this type of equipment to obtain the best efficiency is the use of rotor design and practice, which can produce smaller bubble sizes and have a longer bubble subsurface residence time.<\/p>\n<p>A well-functioning degasser should be able to reduce the incoming hydrogen concentration by at least 50%. In addition, the content of alkali metals and inclusions should also be reduced. However, although the degasser will remove some of the inclusions, filtration can remove most of the inclusions.<\/p>\n<p>The final filtration step is usually a <a href=\"https:\/\/www.aluminiumceramicfiber.com\/id\/ceramic-foam-filter-for-metal\/\">filter busa keramik<\/a> (CFF) filtering equipment. This is a single-use disposable filter, made of hard porous ceramic foam, and has a strictly controlled pore size. Due to their simple operation and short-term good results, these are usually the only filtration equipment in many foundries.<\/p>","protected":false},"excerpt":{"rendered":"<p>In order to get the molten metal cleanliness. First, it must be ensured that the melting and holding practices used before casting are as close to best practices as possible. The higher the cleanliness of the molten aluminum before the metal degassing filtering operation, the higher the cleanliness after treatment. It is necessary to combine [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6175,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6174","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Metal Degassing Filtering for Molten Aluminum Casting<\/title>\n<meta name=\"description\" content=\"The higher the cleanliness of the molten aluminum before the metal degassing filtering operation, the higher the cleanliness after treatment.\" \/>\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.aluminiumceramicfiber.com\/id\/metal-degassing-filtering\/\" 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