{"id":5212,"date":"2019-06-17T06:35:31","date_gmt":"2019-06-17T06:35:31","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=5212"},"modified":"2022-06-28T05:53:07","modified_gmt":"2022-06-28T05:53:07","slug":"how-degasser-works-in-the-aluminium-casting-line","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/tr\/how-degasser-works-in-the-aluminium-casting-line\/","title":{"rendered":"Al\u00fcminyum d\u00f6k\u00fcm hatt\u0131nda gaz giderici nas\u0131l \u00e7al\u0131\u015f\u0131r?"},"content":{"rendered":"

Al\u00fcminyum d\u00f6k\u00fcm hatt\u0131nda gaz giderici nas\u0131l \u00e7al\u0131\u015f\u0131r?<\/p>\n

Gaz Giderme \u0130\u015fleminde, al\u00fcminyum gaz giderme \u00fcnitesi, s\u0131v\u0131 al\u00fcminyumun i\u00e7ine \u00fcflenen inert gaz\u0131 (argon veya azot), d\u00f6nen bir grafit rotor arac\u0131l\u0131\u011f\u0131yla \u00e7ok say\u0131da da\u011f\u0131n\u0131k kabarc\u0131\u011fa ay\u0131r\u0131r ve bunlar\u0131 s\u0131v\u0131 al\u00fcminyumun i\u00e7ine da\u011f\u0131t\u0131r.
\nAl\u00fcminyum eriyik i\u00e7indeki kabarc\u0131k, gaz k\u0131smi bas\u0131n\u00e7 fark\u0131na ve y\u00fczey adsorpsiyonu ilkesine ba\u011fl\u0131 olarak olu\u015fur; al\u00fcminyum eriyik i\u00e7indeki hidrojeni emer, oksitlenmi\u015f c\u00fcrufu adsorbe eder ve kabarc\u0131k y\u00fckseldik\u00e7e al\u00fcminyum eriyik y\u00fczeyinden uzakla\u015ft\u0131r\u0131l\u0131r; b\u00f6ylece al\u00fcminyum eriyik ar\u0131nd\u0131r\u0131labilir.
\nKabarc\u0131klar \u00e7ok ince bir \u015fekilde da\u011f\u0131lm\u0131\u015f oldu\u011fundan, d\u00f6nen erimi\u015f metalle homojen bir \u015fekilde kar\u0131\u015f\u0131r ve ard\u0131ndan spiral \u015feklinde yava\u015f\u00e7a yukar\u0131 do\u011fru y\u00fckselir; s\u00fcrekli ve d\u00fcz bir \u015fekilde y\u00fckselme sonucu olu\u015fan hava ak\u0131m\u0131, al\u00fcminyum s\u0131v\u0131s\u0131yla temas etti\u011finde olu\u015fmaz; bu sayede ar\u0131tma etkisi \u00f6nemli \u00f6l\u00e7\u00fcde artar.
\nAzot, al\u00fcminyum eriyikinden gaz\u0131n giderilmesi ve c\u00fcrufun uzakla\u015ft\u0131r\u0131lmas\u0131 amac\u0131yla gaz olarak kullan\u0131labilir. Azotun safl\u0131\u011f\u0131 99,99%\u2019nin \u00fczerinde olmal\u0131d\u0131r.<\/p>\n

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

Al\u00fcminyum d\u00f6k\u00fcm hatt\u0131nda al\u00fcminyum gaz giderici nas\u0131l \u00e7al\u0131\u015f\u0131r?
\nD\u00f6ner gaz giderme \u00fcnitesi<\/a> Azot rotorunu y\u00fcksek h\u0131zda d\u00f6nd\u00fcrerek b\u00fcy\u00fck azot kabarc\u0131\u011f\u0131n\u0131 \u00e7ok ince k\u00fc\u00e7\u00fck kabarc\u0131klara ay\u0131r\u0131r ve bunlar\u0131 erimi\u015f metal i\u00e7inde e\u015fit bir \u015fekilde da\u011f\u0131t\u0131r.
\nKabarc\u0131klar\u0131n \u00e7ap\u0131n\u0131 k\u00fc\u00e7\u00fclterek, bu kabarc\u0131klar\u0131n toplam y\u00fczey alan\u0131 keskin bir \u015fekilde artar; bu da daha fazla azot kabarc\u0131\u011f\u0131 y\u00fczeyinin erimi\u015f metaldeki hidrojen ve safs\u0131zl\u0131klarla temas etmesine ve bu zararl\u0131 maddelerin s\u0131v\u0131n\u0131n y\u00fczeyine \u00e7\u0131kmas\u0131na neden olur.<\/p>\n

Al\u00fcminyum d\u00f6k\u00fcm hatt\u0131 gaz giderme \u00fcnitesi kullan\u0131m k\u0131lavuzu<\/strong><\/p>\n

Kutu \u0131s\u0131tma i\u015fleminin gaz giderme a\u015famas\u0131 tamamland\u0131ktan sonra \u0131s\u0131tma \u00fcnitesini kapat\u0131n. Is\u0131t\u0131c\u0131n\u0131n s\u0131cakl\u0131\u011f\u0131 erimi\u015f al\u00fcminyumun s\u0131cakl\u0131\u011f\u0131na yakla\u015ft\u0131\u011f\u0131nda, rotora inert gaz verin ve erimi\u015f al\u00fcminyumu kutuya bo\u015falt\u0131n.
\nGiri\u015f\/\u00e7\u0131k\u0131\u015f ile oluk aras\u0131ndaki s\u0131zd\u0131rmazl\u0131\u011f\u0131 kontrol edin.
\nAlt k\u0131s\u0131mda bulunan \u0131s\u0131 koruma tahliye kanal\u0131ndaki koniyi kontrol edin.
\nErimi\u015f al\u00fcminyumun s\u0131cakl\u0131\u011f\u0131n\u0131 kontrol edin (en az 720 \u00b0C). Erimi\u015f al\u00fcminyumun kal\u0131ba ak\u0131\u015f\u0131n\u0131 g\u00f6zlemleyebilmek i\u00e7in, erimi\u015f al\u00fcminyumun kal\u0131p taban\u0131ndan 3 cm y\u00fckseklikte olmas\u0131n\u0131 sa\u011flay\u0131n.
\nOperat\u00f6r, kapa\u011f\u0131 kapat\u0131rken koruyucu giysi giymelidir. Erimi\u015f al\u00fcminyum kutuya akt\u0131\u011f\u0131nda, y\u00fczeydeki c\u00fcruf, c\u00fcruf tahliye deli\u011finden s\u0131y\u0131r\u0131labilir.
\nS\u0131cakl\u0131k 780 \u00b0C\u2019ye ula\u015ft\u0131\u011f\u0131nda \u00fcretime ba\u015flay\u0131n. Is\u0131n\u0131n korunmas\u0131 i\u00e7in c\u00fcruf tahliye \u00e7\u0131k\u0131\u015f\u0131n\u0131 kapat\u0131n.
\nIs\u0131 koruma a\u015famas\u0131nda, erimi\u015f al\u00fcminyum, ayarlanan s\u0131cakl\u0131kta kutu i\u00e7inde tutulabilir; ancak bu a\u015famada erimi\u015f al\u00fcminyumla herhangi bir i\u015flem yap\u0131lmaz.
\nErimi\u015f al\u00fcminyumun hava \u00e7\u0131k\u0131\u015f\u0131n\u0131 t\u0131kamas\u0131n\u0131 \u00f6nlemek i\u00e7in inert gazlar\u0131 rotora y\u00f6nlendirin.
\nKutuya erimi\u015f al\u00fcminyum ak\u0131\u015f\u0131 tamamlan\u0131r tamamlanmaz \u0131s\u0131t\u0131c\u0131y\u0131 \u00e7al\u0131\u015ft\u0131r\u0131n ve \u0131s\u0131 koruma parametrelerini ayarlay\u0131n.
\nIs\u0131tma sistemi \u00e7al\u0131\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, erimi\u015f al\u00fcminyumun s\u0131cakl\u0131\u011f\u0131 kontrol edilir, gaz ak\u0131\u015f h\u0131z\u0131 izlenir ve rotor h\u0131z\u0131, \u0131s\u0131 koruma a\u015famas\u0131ndan i\u015fleme a\u015famas\u0131na ge\u00e7ecek \u015fekilde ayarlan\u0131r. Ayn\u0131 zamanda, rotora giren inert gaz ak\u0131\u015f\u0131 artar ve gaz ak\u0131\u015f h\u0131z\u0131 da koruma a\u015famas\u0131ndan i\u015fleme a\u015famas\u0131na ge\u00e7ecek \u015fekilde ayarlan\u0131r.
\nOperat\u00f6r, erimi\u015f al\u00fcminyumun \u0131s\u0131tma s\u0131cakl\u0131\u011f\u0131n\u0131 ayarlar ve gaz giderme i\u015fleminin istikrarl\u0131 bir \u015fekilde devam etmesini sa\u011flar.<\/p>\n