{"id":4239,"date":"2019-02-13T03:53:40","date_gmt":"2019-02-13T03:53:40","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=4239"},"modified":"2019-02-13T03:53:40","modified_gmt":"2019-02-13T03:53:40","slug":"nitrogen-rotary-degassing-unit","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/nitrogen-rotary-degassing-unit\/","title":{"rendered":"Unit Penghilang Gas Nitrogen Rotari untuk Pengecoran Aluminium"},"content":{"rendered":"

Unit Penghilang Gas Nitrogen Rotari untuk Pengecoran Aluminium<\/strong><\/p>\n

Dalam metode degassing rotari, gas inert atau gas yang tidak reaktif secara kimia (argon, nitrogen) dialirkan melalui poros dan rotor yang berputar.<\/p>\n

Energi dari poros yang berputar menyebabkan terbentuknya sejumlah besar gelembung-gelembung halus yang menghasilkan rasio luas permukaan terhadap volume yang sangat tinggi.
\nLuas permukaan yang besar mempercepat difusi hidrogen ke dalam gelembung-gelembung gas secara efektif, sehingga menghasilkan kesetaraan aktivitas hidrogen pada fase cair dan gas.<\/p>\n

Unit Penghilang Gas Rotari Berbasis Nitrogen memungkinkan penghilangan hidrogen yang lebih tuntas dibandingkan dengan metode penghilang gas berbasis fluks.
\nSelain itu, degasser rotari tidak menggunakan garam yang mengandung klorin dan fluorin yang berbahaya.<\/p>\n

Unit Penghilang Gas Nitrogen Tipe Rotari juga dapat menggabungkan fungsi penghilangan gas dan penambahan fluks.
\nDalam hal ini, gas inert berfungsi sebagai pembawa untuk fluks berbentuk butiran. Metode ini disebut injeksi fluks.<\/p>\n

Keunggulan Unit Penghilang Gas Nitrogen Tipe Rotari
\nefektivitas yang tinggi dari aksi fluks berkat pencampuran yang lebih baik dengan logam cair;
\nwaktu perawatan fluks yang singkat;
\npengantar fluks yang dapat dikendalikan;
\nmetode peleburan yang lebih ramah lingkungan.<\/p>\n

\"Penghilangan\"Unit<\/p>\n

Klasifikasi paduan aluminium cor<\/strong>
\nSetiap paduan aluminium cor diberi kode berupa angka empat digit dengan titik desimal yang memisahkan digit ketiga dan keempat.<\/p>\n

Angka pertama menunjukkan kelompok paduan berdasarkan unsur paduan utamanya:<\/p>\n

1xx.x Aluminium minimal 99,0%;<\/p>\n

2xx.x Tembaga (4%\u20264,6%);<\/p>\n

Silikon 3xx.x (5%\u202617%) dengan penambahan tembaga dan\/atau magnesium;<\/p>\n

4xx.x Silikon (5%\u202612%);<\/p>\n

5xx.x Magnesium (4%\u202610%);<\/p>\n

7xx.x Seng (6,2%\u20267,5%);<\/p>\n

8xx.x Kaleng;<\/p>\n

9xx.x Lain-lain.<\/p>\n

Dua digit berikutnya menunjukkan jenis paduan aluminium atau menunjukkan tingkat kemurnian paduan tersebut.<\/p>\n

Pada paduan seri 1xx.x, dua digit terakhir menunjukkan tingkat kemurnian paduan \u2013 angka-angka tersebut sama dengan dua digit di sebelah kanan koma desimal dalam konsentrasi minimum aluminium (dalam persentase): 150,0 berarti kandungan aluminium minimal 99,50% dalam paduan tersebut, sedangkan 120,1 berarti kandungan aluminium minimal 99,20% dalam paduan tersebut.<\/p>\n

Pada semua kelompok paduan aluminium lainnya (2xx.x hingga 9xx.x), dua digit terakhir menunjukkan paduan yang berbeda dalam kelompok tersebut.<\/p>\n

Angka terakhir menunjukkan bentuk produk: coran (ditandai dengan \u201c0\u201d) atau ingot (ditandai dengan \u201c1\u201d atau \u201c2\u201d tergantung pada batas komposisi kimia.)<\/p>\n

Perubahan terhadap batas paduan atau pengotor asli ditandai dengan huruf urutan yang ditempatkan sebelum penomoran numerik. Huruf-huruf urutan tersebut ditetapkan berdasarkan urutan alfabet, dimulai dari huruf A namun tanpa menggunakan huruf I, O, Q, dan X (huruf \u201cX\u201d disediakan khusus untuk paduan eksperimental).<\/p>\n

\"paduan<\/p>","protected":false},"excerpt":{"rendered":"

Aluminum Casting Nitrogen Rotary Degassing Unit In the rotary degassing method an inert or chemically inactive gas (Argon, Nitrogen) is purged through a rotating shaft and rotor. Energy of the rotating shaft causes formation of a large number of fine bubbles providing very high surface…<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[8473,8478,8489,8481,8485,8487,8486,8480,8488,8465,8483,8484,8482,8467,8501,8503,8499,8500,8502,8493,8491,8495,8494,8490,8492,8498,8497,8496,8466,8463,8462,8470,8469,8468,8471],"yoast_head":"\nAluminum Casting Nitrogen Rotary Degassing Unit | Adtech China<\/title>\n<meta name=\"description\" content=\"In the rotary degassing method an inert or chemically inactive gas (Argon, Nitrogen) is purged through a rotating shaft and rotor.\" \/>\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.adtechamm.com\/id\/nitrogen-rotary-degassing-unit\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" 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