{"id":6851,"date":"2021-09-02T08:44:28","date_gmt":"2021-09-02T08:44:28","guid":{"rendered":"https:\/\/www.aluminiumceramicfiber.com\/?p=6851"},"modified":"2021-09-02T08:44:28","modified_gmt":"2021-09-02T08:44:28","slug":"aluminium-melt-refining","status":"publish","type":"post","link":"https:\/\/www.aluminiumceramicfiber.com\/id\/aluminium-melt-refining\/","title":{"rendered":"Pemurnian Logam Aluminium Cair"},"content":{"rendered":"<p>Cairan aluminium elektrolitik secara langsung diolah menjadi gulungan cor-gulung, meskipun hal ini dapat menghemat biaya dan mengurangi konsumsi. Namun, dibandingkan dengan ingot aluminium yang dilelehkan ulang, proporsi cairan aluminium elektrolitik yang terlalu tinggi akan secara langsung menyebabkan masalah seperti kandungan hidrogen yang tinggi, kandungan terak yang tinggi, kandungan logam alkali yang tinggi, serta ukuran butir yang kasar pada slab cor-gulung. Oleh karena itu, pemurnian lelehan aluminium dan penyempurnaan ukuran butir merupakan tantangan yang harus diatasi dalam produksi langsung gulungan cor-gulung menggunakan cairan aluminium elektrolitik.<\/p>\n<p>Selain komposisi kimianya, kualitas internal terutama ditentukan oleh ukuran butir, serta inklusi gas dan terak. Selain perbandingan antara cairan aluminium elektrolitik dan bahan padat yang akan memengaruhi kualitas internal pelat cor-gulung, proses pemurnian lelehan aluminium merupakan faktor kunci.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6852\" src=\"https:\/\/aluminiumceramicfiber.com\/wp-content\/uploads\/2021\/09\/Aluminium-Melt-Refining.jpg\" alt=\"Pemurnian Logam Aluminium Cair\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2021\/09\/Aluminium-Melt-Refining.jpg 500w, https:\/\/www.aluminiumceramicfiber.com\/wp-content\/uploads\/2021\/09\/Aluminium-Melt-Refining-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>Sebelum dituang ke dalam tungku, aluminium cair disemprotkan untuk proses pemurnian, sehingga gas dan terak dalam aluminium cair memiliki waktu yang cukup untuk naik dari bagian bawah kolam cairan ke permukaan aluminium cair, dan kemudian terak tersebut dibuang. Waktu pemurnian adalah 20 menit\u201325 menit, jumlah <a href=\"https:\/\/www.aluminiumceramicfiber.com\/id\/refining-agent-purification\/\">zat pemurnian<\/a> adalah 3 kg\/t, dan dibiarkan selama 20 menit setelah proses pemurnian. Dalam proses pemurnian dengan penyemprotan bubuk, bahan pemurnian harus disemprotkan secara merata ke dalam cairan aluminium, dan kemurnian nitrogen harus dipastikan. Kemurnian nitrogen dapat dikendalikan agar tetap di atas 99,9995%.<\/p>\n<p>Sistem penyaringan dan penghilangan gas secara online diterapkan di antara tungku penampung dan kotak depan. Sistem ini menggunakan rotor grafit di dalam kotak penghilang gas, sehingga nitrogen dapat melakukan pemurnian ulang terhadap aluminium cair di dalam <a href=\"https:\/\/www.aluminiumceramicfiber.com\/id\/aluminum-degassing-box\/\">kotak penghilang gas<\/a>, dan buang terak serta gasnya. Hal tersebut <a href=\"https:\/\/www.aluminiumceramicfiber.com\/id\/plate-filtering-system\/\">unit penyaringan pelat<\/a> digunakan untuk menyaring inklusi dalam aluminium cair. Setelah melalui sistem pemrosesan online, kandungan hidrogen dalam aluminium cair dapat dikendalikan hingga 0,12 mL\/(100 gAl), dan lebih dari 90% kandungan terak berukuran di atas 5um dapat disaring. Hal ini menghasilkan billet dengan kualitas internal yang baik untuk gulungan cor-gulung.<\/p>","protected":false},"excerpt":{"rendered":"<p>The electrolytic aluminum liquid directly produces cast-rolled coils, although it can save costs and reduce consumption. However, compared with remelted aluminum ingots, the excessively high proportion of electrolytic aluminum liquid will directly lead to problems such as high hydrogen content, high slag content, high alkali metal content, and coarse grain size of cast-rolled slabs. Therefore, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6852,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[],"class_list":["post-6851","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Aluminium Melt Refining, Degassing and Filtering System<\/title>\n<meta name=\"description\" content=\"The aluminium melt refining and grain size refinement are the difficulties that must be solved in the direct production of cast-rolled coils.\" \/>\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\/aluminium-melt-refining\/\" \/>\n<meta property=\"og:locale\" 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