{"id":10500,"date":"2022-09-27T08:49:39","date_gmt":"2022-09-27T08:49:39","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=10500"},"modified":"2022-09-29T06:07:16","modified_gmt":"2022-09-29T06:07:16","slug":"aluminum-degassing-effects-of-different-inert-gases","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/aluminum-degassing-effects-of-different-inert-gases\/","title":{"rendered":"Pengaruh berbagai gas inert terhadap proses penghilangan gas pada aluminium"},"content":{"rendered":"

\"penghilangan<\/p>\n

Dalam proses penghilangan gas pada aluminium, selama proses peleburan bersuhu tinggi aluminium dan paduannya di dalam tungku peleburan, pengaruh ingot logam murni, paduan antara, sisa logam, gas tungku bersuhu tinggi, bahan tahan api, dan perkakas terhadap kemurnian lelehan aluminium menyebabkan ingot tersebut menghasilkan pori-pori dan inklusi terak serta cacat proses metalurgi lainnya. Oleh karena itu, dalam proses produksi, pemurnian dengan fluks dan gas inert digunakan untuk mengurangi timbulnya cacat metalurgi. Namun, perlakuan pemurnian di dalam tungku memiliki masalah-masalah berikut:<\/p>\n

Keuntungan dan kerugian berbagai jenis gas pengisi terhadap proses penghilangan gas pada aluminium<\/h2>\n

(1) Aliran gas inert murni yang digunakan dalam proses pemurnian sangat besar, gelembung-gelembungnya besar, cairan logam bergolak hebat, dan mudah teroksidasi serta membentuk terak; efek penghilangan gas pada aluminium memang baik, tetapi efek penghilangan terak buruk; selain itu, biaya penggunaan argon dengan aliran besar cukup tinggi, dan MgN serta AlN mudah terbentuk akibat adanya nitrogen. , tingkat pemurniannya rendah.
\n(2) Tingkat toksisitas dan aktivitas pemurnian klorin sangat tinggi, reaksinya terlalu hebat, dampaknya merugikan, dan hasil pemurniannya justru semakin buruk.
\n(3) Pemurnian gas campuran dengan menggunakan campuran gas nitrogen dan klorin atau campuran gas argon dan klorin sebagai bahan pemurnian; efek pemurniannya tidak signifikan, berbahaya bagi kesehatan manusia, dan menyebabkan korosi parah pada peralatan di sekitarnya.
\n(4) Meskipun murni fluks pemurnian<\/a> Proses pemurnian dapat menghilangkan inklusi terak teroksidasi dengan lebih baik, dan juga dapat menghilangkan sebagian gas; namun, proses ini tidak sepenuhnya tuntas dan juga akan menimbulkan inklusi terak fluks.
\n(5) Efek penghilangan gas pada aluminium dari sistem online unit penghilang gas<\/a> memang sangat baik, tetapi efektivitasnya dalam menghilangkan kotoran sangat kecil, dan biaya peralatan serta pengoperasiannya mahal.<\/p>\n

Singkatnya, proses pemurnian dengan penyemprotan bubuk di dalam tungku\u2014yang paling ekonomis, praktis, dan efektif serta memiliki efek pemurnian dengan fluks dan efek pemurnian gas\u2014merupakan metode pemurnian paling efektif untuk lelehan paduan aluminium. Namun, kandungan hidrogen pada lelehan aluminium di dalam tungku peleburan berkisar antara 0,24 mL\/100 g hingga 3,0 mL\/100 g, sehingga ingot tidak dapat memenuhi persyaratan kualitas yang biasa dan harus dimurnikan lebih lanjut; oleh karena itu, tungku ini dikembangkan. Teknologi pemurnian degassing dan filtrasi online eksternal, makalah ini berfokus pada kemajuan teknologi proses degassing online.<\/p>","protected":false},"excerpt":{"rendered":"

For aluminum degassing, during the high-temperature smelting process of aluminum and its alloys in the smelting furnace, the influence of pure metal ingots, intermediate alloys, scraps, high-temperature furnace gas, refractory materials, and tools on the purity of aluminum melts causes the ingots to produce pores…<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[45391,26523],"tags":[],"yoast_head":"\nAluminum degassing effects of different inert gases | Adtech China<\/title>\n<meta name=\"description\" content=\"For aluminum degassing, during the high-temperature smelting process of aluminum and its alloys in the smelting furnace\" \/>\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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