{"id":8169,"date":"2021-12-23T02:27:51","date_gmt":"2021-12-23T02:27:51","guid":{"rendered":"https:\/\/www.aluminiumceramicfiber.com\/?p=8169"},"modified":"2022-02-25T02:16:25","modified_gmt":"2022-02-25T02:16:25","slug":"refining-flux-for-aluminum-casting","status":"publish","type":"post","link":"https:\/\/www.aluminiumceramicfiber.com\/tr\/refining-flux-for-aluminum-casting\/","title":{"rendered":"Al\u00fcminyum D\u00f6k\u00fcm i\u00e7in Rafine Edici Ak\u0131"},"content":{"rendered":"

Al\u00fcminyum d\u00f6k\u00fcm i\u00e7in ar\u0131tma ak\u0131s\u0131, ar\u0131tma i\u015flemi s\u0131ras\u0131nda gaz ve kal\u0131nt\u0131lar\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde azaltabilir veya ortadan kald\u0131rabilir.<\/p>\n

Al\u00fcminyum ala\u015f\u0131m\u0131 eriyi\u011fine ar\u0131tma ak\u0131\u015fkan\u0131 eklemek, ala\u015f\u0131m\u0131 elde etmek i\u00e7in al\u00fcminyum hammaddelerini eritmek, erimi\u015f al\u00fcminyum ala\u015f\u0131m\u0131n\u0131 ar\u0131tmak ve ard\u0131ndan al\u00fcminyum ala\u015f\u0131m\u0131n\u0131 d\u00f6kmek.<\/p>\n

\"Al\u00fcminyum<\/p>\n

Ar\u0131tma ak\u0131s\u0131<\/a> dehidrojenasyon i\u015flevine sahiptir. Erimi\u015f al\u00fcminyum ala\u015f\u0131m\u0131n\u0131n s\u0131cakl\u0131\u011f\u0131 yakla\u015f\u0131k 700 \u00b0C\u2019dir. Erime s\u0131cakl\u0131\u011f\u0131ndan daha d\u00fc\u015f\u00fck bir s\u0131cakl\u0131kta, ak\u0131 ve hidrojen, eriyik i\u00e7inde kat\u0131-gaz reaksiyonu veya gaz-gaz reaksiyonu \u015feklinde reaksiyona girer. Gazla\u015ft\u0131rma yoluyla elde edilen hidrojen bile\u015fikleri veya bu bile\u015fiklerin eriyikten c\u00fcruf olarak uzakla\u015ft\u0131r\u0131lmas\u0131, eriyikten hidrojeni giderebilir.<\/p>\n

Ar\u0131tma al\u00fcminyum d\u00f6k\u00fcm i\u00e7in eriyik<\/a> Bu i\u015flem, c\u00fcrufu uzakla\u015ft\u0131rma, erimi\u015f al\u00fcminyum ile erimi\u015f al\u00fcminyum y\u00fczeyindeki c\u00fcruf aras\u0131ndaki \u0131slanabilirli\u011fi azaltma, kal\u0131nt\u0131lar\u0131n c\u00fcrufa d\u00f6n\u00fc\u015f\u00fcm\u00fcn\u00fc h\u0131zland\u0131rma ve ayr\u0131ca eriyik y\u00fczeyinden c\u00fcrufun uzakla\u015ft\u0131r\u0131lmas\u0131n\u0131 kolayla\u015ft\u0131rma etkisine sahiptir.<\/p>\n

Al\u00fcminyum, neredeyse s\u0131n\u0131rs\u0131z geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclebilirli\u011fi ile bilinir. Bu \u00f6zelli\u011fi, onu at\u0131k azalt\u0131m\u0131 i\u00e7in ideal bir se\u00e7enek haline getirmekle kalmaz, ayn\u0131 zamanda kendi sekt\u00f6r\u00fcnden kaynaklanan emisyonlar\u0131 azaltma imk\u00e2n\u0131 da sunar.<\/p>\n

Ancak, al\u00fcminyum end\u00fcstrisi karbon sal\u0131m\u0131n\u0131 azaltmaya \u00e7al\u0131\u015f\u0131rken, \u00fcretimden kaynaklanan emisyonlar denklemin sadece bir par\u00e7as\u0131d\u0131r. End\u00fcstri, y\u00fcksek karbonlu birincil al\u00fcminyum talebini \u00f6nemli \u00f6l\u00e7\u00fcde azaltmak i\u00e7in geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclebilirli\u011fi de art\u0131rmal\u0131d\u0131r. Uluslararas\u0131 Al\u00fcminyum Enstit\u00fcs\u00fc, 2050 y\u0131l\u0131na kadar k\u00fcresel al\u00fcminyum talebinin 80%'den fazla artaca\u011f\u0131n\u0131 \u00f6ng\u00f6rmektedir. \u015eu anda, 90%'den fazla al\u00fcminyum emisyonu birincil \u00fcretimle ilgilidir. Bununla birlikte, ikincil veya geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f al\u00fcminyum, birincil \u00fcretim i\u00e7in gereken enerjinin yaln\u0131zca 5%'sini t\u00fcketmektedir.<\/p>\n

\u0130kincil veya geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f al\u00fcminyum \u00fcretimine ge\u00e7mek, birincil al\u00fcminyumla ili\u015fkili y\u00fcksek emisyon maliyetlerini azaltacakt\u0131r. Otomasyon ve ambalaj end\u00fcstrileri, al\u00fcminyum hurdas\u0131n\u0131n geri d\u00f6n\u00fc\u015f\u00fcm\u00fc i\u00e7in en iyi f\u0131rsatlar\u0131 sunmaktad\u0131r.<\/strong><\/p>\n

Al\u00fcminyum ala\u015f\u0131ml\u0131 k\u00fcl\u00e7elerin eritme veya d\u00f6k\u00fcm i\u015fleminde, genellikle al\u00fcminyum hammaddeleri (al\u00fcminyum ana malzeme, al\u00fcminyum ala\u015f\u0131ml\u0131 \u00fcr\u00fcn hurdalar\u0131 vb.) bir eritme f\u0131r\u0131n\u0131nda eritilir ve ard\u0131ndan eriyik bile\u015fimi \u015fu ama\u00e7la ayarlan\u0131r: erimi\u015f al\u00fcminyum ala\u015f\u0131m\u0131n\u0131n ar\u0131t\u0131lmas\u0131<\/a>. Erimi\u015f al\u00fcminyum ala\u015f\u0131m\u0131n\u0131n ar\u0131t\u0131lmas\u0131, eriyi\u011fin temizlenmesi s\u00fcrecidir; bu s\u00fcre\u00e7, \u00f6rne\u011fin klor gaz\u0131 veya klor bazl\u0131 ak\u0131 ile inert gaz\u0131n enjekte edilmesi gibi a\u015famalar\u0131 i\u00e7erir.<\/p>\n

\u0130nert gaz, ta\u015f\u0131y\u0131c\u0131 gaz olarak eriyik i\u00e7ine girer;
\nErimi\u015f malzemeden gaz bile\u015fenlerini uzakla\u015ft\u0131r\u0131n veya kal\u0131nt\u0131lar\u0131 c\u00fcruf haline getirin;
\nErimi\u015f al\u00fcminyumun y\u00fczeyindeki c\u00fcrufu temizleyin.<\/p>\n

Ar\u0131t\u0131lm\u0131\u015f al\u00fcminyum eriyik, d\u00f6k\u00fcm kanal\u0131 i\u00e7inden akarken, kal\u0131b\u0131n \u00f6n\u00fcndeki filtre kutusu taraf\u0131ndan i\u00e7sel kusurlar daha da giderilir. Bu \u015fekilde, ar\u0131t\u0131lm\u0131\u015f al\u00fcminyum eriyik kal\u0131ba beslenir ve al\u00fcminyum ala\u015f\u0131ml\u0131 bir k\u00fcl\u00e7e haline getirilir.<\/p>\n