{"id":5936,"date":"2019-10-15T03:44:56","date_gmt":"2019-10-15T03:44:56","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=5936"},"modified":"2019-10-15T03:44:56","modified_gmt":"2019-10-15T03:44:56","slug":"ingot-degassing-machine","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/ingot-degassing-machine\/","title":{"rendered":"Mesin Penghilang Gas pada Ingot"},"content":{"rendered":"

Mesin Penghilang Gas untuk Ingot Aluminium<\/p>\n

Salah satu ciri khas proses pemurnian logam cair aluminium dengan klorin adalah terbentuknya terak \u201ckering\u201d yang mudah mengalir, yang dapat dipisahkan dengan mudah dari logam cair, berbeda dengan terak \u201cbasah\u201d yang bertekstur seperti bubur, yang terbentuk akibat proses pembilasan dengan gas netral. Perbedaan ini disebabkan oleh adanya garam-garam dalam terak yang terbentuk sebagai hasil interaksi kimia antara klorin dengan logam cair.<\/p>\n

Proses pemurnian logam cair aluminium dengan gas netral secara bertahap telah menggantikan proses klorinasi dalam praktik produksi paduan logam. Penghentian penggunaan klorin dalam pemurnian logam cair aluminium, dalam banyak hal, berkontribusi terhadap meningkatnya tuntutan akan perlindungan lingkungan serta kebutuhan untuk memperbaiki kondisi kerja di pabrik pengecoran.<\/p>\n

Di antara gas-gas netral, nitrogen lebih sering digunakan daripada yang lain, sedangkan argon digunakan * untuk membersihkan lelehan dengan kandungan magnesium lebih dari 2%. Pembersihan dengan gas netral di dalam tungku dilakukan pada suhu 720-7300\u0421, dengan memasukkan gas melalui tabung baja (lebih jarang grafit atau kuarsa) yang dilengkapi dengan nosel dengan lubang sekitar 2 mm. Laju aliran gas adalah 0,3-1% berdasarkan berat bahan yang dipanaskan. Durasi proses pembersihan adalah 15\u201360 menit, tergantung pada massa paduan.<\/p>\n

Mesin Penghilang Gas Batangan Aluminium menunjukkan bahwa saat proses pemurnian menggunakan nitrogen (argon), tingkat kemurnian lelehan aluminium dalam tungku peleburan berkapasitas 30 ton hampir sama dengan saat menggunakan bahan pelebur.<\/p>\n

\"Mesin<\/p>\n

Proses pemurnian yang diterapkan pada Mesin Penghilang Gas Ingot<\/p>\n

Spining Nozzle Inert Flotation (SNIF) \u2013 proses flotasi gas inert melalui perangkat pembersihan berputar. Komponen utama Mesin Penghilang Gas Sekunder Ingot SNIF P140U\u041d\u0412.<\/p>\n

Komponen utama dari pemasangan Mesin Penghilang Gas pada Ingot<\/strong><\/a><\/p>\n

Pemasangan SNIF bekerja berdasarkan prinsip mengalirkan gas proses, biasanya argon, melalui unit grafit yang berputar, yang jumlahnya bisa berkisar antara satu hingga empat, tergantung pada desain dan pemasangannya.<\/p>\n

Rotasi rakitan pembersihan yang dipadukan dengan pasokan argon secara terus-menerus menghasilkan sejumlah besar gelembung gas yang tersebar merata di seluruh volume logam cair aluminium, sehingga membentuk \u201creaktor dengan pencampuran yang baik.\u201d Ketika gelembung argon naik ke permukaan, hidrogen yang terlarut dalam aluminium terlepas ke dalam gelembung-gelembung yang naik tersebut dan dihilangkan dari logam cair.<\/p>\n

Ketika sejumlah kecil klorin (biasanya kurang dari 0,5% dari aliran gas proses) ditambahkan ke dalam gas proses, inklusi non-logam yang tidak dapat dibasahi akan terpisah dari aluminium, menempel pada gelembung yang naik, dan mengapung ke permukaan. Klorin juga bereaksi dengan logam alkali terlarut (Na, Li, Ca, dan K) untuk membentuk klorida yang mengapung ke permukaan dan masuk ke dalam terak. Kandungan Na dalam seri 5xxx pada paduan AMg3do \u201cSNIF\u201d adalah 0,0006%, setelah 0,0003% \u2013 0,0002%, artinya kandungan Na berkurang sebanyak 2 kali lipat atau lebih. Partikel non-logam dan garam kemudian dihilangkan dari sistem SNIF.<\/p>","protected":false},"excerpt":{"rendered":"

Aluminium Ingot Degassing Machine A characteristic feature of the refining of aluminum melts with chlorine is the formation of \u201cdry\u201d, free-flowing slag, which is easily separated from the molten metal, in contrast to the porridge-like \u201cwet\u201d slag, which is formed by purging with neutral gases….<\/p>","protected":false},"author":1,"featured_media":5937,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[],"yoast_head":"\nIngot Degassing Machine | Adtech China -refining with nitrogen (argon)<\/title>\n<meta name=\"description\" content=\"Aluminium Ingot Degassing Machine shows that when refining with nitrogen (argon), the level of purification of aluminum melts in 30 tons of melting furnaces\" \/>\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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