{"id":3363,"date":"2018-05-31T07:42:58","date_gmt":"2018-05-31T07:42:58","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=3363"},"modified":"2018-05-31T07:42:58","modified_gmt":"2018-05-31T07:42:58","slug":"rio-tinto-alcan-news","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/rio-tinto-alcan-news\/","title":{"rendered":"Berita Rio Tinto Alcan: Mesin Penghilang Gas Aluminium"},"content":{"rendered":"

Berita Rio Tinto Alcan: Mesin Penghilang Gas Aluminium<\/p>\n

Proses degassing rotari bekerja berdasarkan prinsip peningkatan luas permukaan gas yang disuntikkan yang bersentuhan dengan logam.
\nLuas permukaan yang lebih besar meningkatkan laju perpindahan dari logam ke gas inert.
\nSemakin kecil ukuran gelembung untuk suatu volume gas tertentu, semakin besar luas permukaannya.
\nSebagai contoh, gelembung gas berdiameter 1\u201d memiliki luas permukaan sebesar 6 inci persegi.
\nJika gelembung yang sama dibagi menjadi gelembung-gelembung berdiameter 1\/16 inci, luas permukaannya akan bertambah menjadi 96 inci persegi.
\nDengan kata lain, jika volume gas yang digunakan sama dan diameter gelembung dikurangi menjadi 1\/16 dari diameter semula, luas permukaan totalnya akan meningkat sebanyak 16 kali lipat.
\nGelembung-gelembung yang lebih kecil kurang mengganggu permukaan cairan, sehingga mengurangi penyerapan hidrogen tambahan dari atmosfer yang lembap.<\/p>\n

Berita Rio Tinto Alcan: Mesin Penghilang Gas Aluminium
\nUnit penghilang gas ini direkomendasikan untuk nitrogen atau argon kering. Kompatibilitas dengan gas khusus tidak dapat dijamin.
\nSemua bagian unit yang terpapar gas, kecuali lancing grafit, terbuat dari baja tahan karat atau Buna-N (segel).
\nWaktu degassing selama empat menit untuk wadah peleburan seberat 400 pon merupakan hal yang umum jika menggunakan gas nitrogen.
\nTidak ada alasan praktis untuk menggunakan gas khusus yang mahal (dengan harga hingga $500 per botol) padahal botol nitrogen seharga $20 sudah dapat melakukan fungsi yang sama. Selain itu, gas nitrogen tidak menghasilkan emisi beracun.<\/p>\n

\"Berita<\/p>\n

Penghilangan Gas pada Aluminium di Pabrik Peleburan Alcan<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Rio Tinto Alcan News Aluminum Degassing Machine Rotary degassing works on the principle of increasing the surface area of an insert gas exposed to the metal. The larger surface area increases the rate of transfer from metal to the inert gas. The smaller the bubble…<\/p>","protected":false},"author":1,"featured_media":3364,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[52],"tags":[],"yoast_head":"\nRio Tinto Alcan News Aluminum Degassing Machine<\/title>\n<meta name=\"description\" content=\"Rio Tinto Alcan News Aluminum Degassing Machine This degassing unit is recommended for dry nitrogen or argon. 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