{"id":10185,"date":"2021-12-01T02:51:35","date_gmt":"2021-12-01T02:51:35","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=10185"},"modified":"2021-12-01T02:51:35","modified_gmt":"2021-12-01T02:51:35","slug":"molten-aluminum-flux","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/tr\/molten-aluminum-flux\/","title":{"rendered":"Erimi\u015f Al\u00fcminyum Ak\u0131"},"content":{"rendered":"

Erimi\u015f Al\u00fcminyum Ak\u0131s\u0131, fiziksel, kimyasal veya fizikokimyasal etkile\u015fimler yoluyla al\u00fcminyum ve al\u00fcminyum ala\u015f\u0131m\u0131 eriyiklerinde bulunan metal safs\u0131zl\u0131klar\u0131n\u0131, oksitleri ve di\u011fer oksit kal\u0131nt\u0131lar\u0131n\u0131 eriyikten uzakla\u015ft\u0131rabilir.<\/strong>
\nErimi\u015f Al\u00fcminyum Ak\u0131<\/a> Ergitme maddesindeki oksit kal\u0131nt\u0131lar\u0131n\u0131n adsorpsiyonu ve \u00e7\u00f6z\u00fcnmesi ile ar\u0131tma maddesi ve ergitme maddesindeki safs\u0131zl\u0131klar aras\u0131ndaki kimyasal etkile\u015fim taraf\u0131ndan belirlenir.
\nAr\u0131tma maddesi ile kal\u0131nt\u0131lar aras\u0131ndaki aray\u00fczey gerilimi ne kadar d\u00fc\u015f\u00fckse, ar\u0131tma maddesinin adsorpsiyonu o kadar iyi olur ve safs\u0131zl\u0131klar\u0131n giderilmesi o kadar etkili olur.<\/p>\n

Erimi\u015f metalin ar\u0131t\u0131lmas\u0131 ve ta\u015f\u0131nmas\u0131 s\u00fcrecinde, oksit kabu\u011fu, intermetalik bile\u015fikler ve f\u0131r\u0131n kal\u0131nt\u0131lar\u0131 gibi yabanc\u0131 maddeler erimi\u015f metale kolayca kar\u0131\u015farak metalik olmayan kal\u0131nt\u0131lar olu\u015fturur. Bu metalik olmayan kal\u0131nt\u0131lar, esas olarak oksit kal\u0131nt\u0131lar\u0131d\u0131r.
\nErgitme ve d\u00f6k\u00fcm s\u00fcrecindeki farkl\u0131 olu\u015fum d\u00f6nemlerine g\u00f6re, bunlar birincil oksit kal\u0131nt\u0131lar\u0131 ve ikincil oksit kal\u0131nt\u0131lar\u0131 olarak ayr\u0131labilir.
\nBirincil oksit kal\u0131nt\u0131lar\u0131, esas olarak erimi\u015f al\u00fcminyum d\u00f6k\u00fclmeden \u00f6nce olu\u015fan t\u00fcm oksit kal\u0131nt\u0131lar\u0131n\u0131 ifade eder.<\/p>\n

\u0130kincil oksit kal\u0131nt\u0131lar\u0131, \u015fekillerine g\u00f6re iki t\u00fcre ayr\u0131labilir<\/strong>
\nBunlardan biri, makro yap\u0131da b\u00fcy\u00fck kal\u0131nt\u0131lar\u0131n d\u00fczensiz da\u011f\u0131l\u0131m\u0131d\u0131r. Bu t\u00fcr kal\u0131nt\u0131lar, ala\u015f\u0131m yap\u0131s\u0131n\u0131 s\u00fcreksiz hale getirir ve i\u015f par\u00e7as\u0131n\u0131n hava s\u0131zd\u0131rmazl\u0131\u011f\u0131n\u0131 azalt\u0131r; bu da korozyona yol a\u00e7ar, al\u00fcminyum ala\u015f\u0131m\u0131n\u0131n mukavemetini ve plastisitesini \u00f6nemli \u00f6l\u00e7\u00fcde d\u00fc\u015f\u00fcr\u00fcr ve s\u0131kl\u0131kla \u00e7atlaklar\u0131n kayna\u011f\u0131 olur.
\n\u0130kinci tip oksit kal\u0131nt\u0131lar\u0131, dikkatli bir ar\u0131tma i\u015fleminden sonra bile tamamen giderilemeyen, k\u00fc\u00e7\u00fck ve da\u011f\u0131n\u0131k kal\u0131nt\u0131lar\u0131 ifade eder. Bu kal\u0131nt\u0131lar, erimi\u015f metalin viskozitesini art\u0131r\u0131r, kat\u0131la\u015fma s\u0131ras\u0131nda erimi\u015f al\u00fcminyumun besleme kabiliyetini azalt\u0131r ve d\u00f6k\u00fcmde b\u00fcz\u00fclme g\u00f6zeneklili\u011fine kolayca yol a\u00e7ar.
\nEndojen kal\u0131nt\u0131lar olarak da adland\u0131r\u0131lan ikincil oksit kal\u0131nt\u0131lar\u0131, esas olarak d\u00f6k\u00fcm i\u015flemi s\u0131ras\u0131nda olu\u015fur.
\nEndojen inkl\u00fczyonlar genellikle daha homojen bir \u015fekilde da\u011f\u0131lm\u0131\u015f olup, par\u00e7ac\u0131klar daha k\u00fc\u00e7\u00fckt\u00fcr.
\nD\u00f6k\u00fcm i\u015flemi s\u0131ras\u0131nda erimi\u015f al\u00fcminyumun s\u0131\u00e7ramas\u0131 ve t\u00fcrb\u00fclans\u0131, ikincil oksit kal\u0131nt\u0131lar\u0131n\u0131n ba\u015fl\u0131ca kaynaklar\u0131d\u0131r.
\nKum kal\u0131b\u0131nda, erimi\u015f al\u00fcminyum kal\u0131p kumundaki suyla reaksiyona girer ve su, oksijen ve hidrojene ayr\u0131\u015f\u0131r. Oksijen, al\u00fcminyumla reaksiyona girerek oksit kal\u0131nt\u0131lar\u0131 olu\u015fturur; hidrojen ise erimi\u015f al\u00fcminyumda \u00e7\u00f6z\u00fcn\u00fcr.<\/p>\n

\"Erimi\u015f<\/p>\n

\u0130kincil al\u00fcminyum \u00fcretimi s\u0131ras\u0131nda \u00fc\u00e7 teknik zorlukla kar\u015f\u0131 kar\u015f\u0131ya kal\u0131r\u0131z: al\u00fcminyum hurda hammaddelerinin \u00f6n i\u015fleme a\u015famas\u0131, hassas bile\u015fim kontrol\u00fc ve eriyik ar\u0131t\u0131m\u0131. Bunlar aras\u0131nda, al\u00fcminyum hurda hammaddelerinin \u00f6n i\u015fleme a\u015famas\u0131, geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f al\u00fcminyum \u00fcretiminin ilk ad\u0131m\u0131 olarak \u00f6zellikle \u00f6nemlidir ve bu a\u015famadaki kalite, sonraki i\u015flemlerin sorunsuz bir \u015fekilde devam edip edemeyece\u011fini do\u011frudan belirler.<\/p>\n

Hammaddelerin karma\u015f\u0131kl\u0131\u011f\u0131 nedeniyle, al\u00fcminyum ala\u015f\u0131m\u0131n\u0131n ikincil i\u015flenmesi gerekmektedir. Tipik bir \u00f6n i\u015fleme s\u00fcreci a\u015fa\u011f\u0131daki hedefleri ger\u00e7ekle\u015ftirmelidir:
\n1. Hurda al\u00fcminyumdaki di\u011fer metalleri ve kirletici maddeleri ay\u0131r\u0131n.
\n2. Hurda al\u00fcminyumun y\u00fczeyindeki ya\u011f lekeleri, oksitler ve boya temizlenmelidir.
\n3. Al\u00fcminyum hurdas\u0131n\u0131n bile\u015fimine g\u00f6re, s\u0131n\u0131fland\u0131rma, bunlar\u0131n bile\u015fim a\u00e7\u0131s\u0131ndan belirli bir al\u00fcminyum ala\u015f\u0131m\u0131 kalitesine yak\u0131n hale getirilmesine dayanmaktad\u0131r.<\/p>\n

\u00d6n i\u015fleme teknikleri aras\u0131nda safs\u0131zl\u0131klar\u0131n ayr\u0131lmas\u0131, eleme, paketleme, temizleme ve kurutma yer al\u0131r. Sonu\u00e7 olarak, al\u00fcminyum hurda, f\u0131r\u0131n y\u00fckleme ko\u015fullar\u0131na uygun bir y\u00fck haline getirilir. Bunu izleyen al\u00fcminyum hurda geri d\u00f6n\u00fc\u015f\u00fcm s\u00fcrecindeki en \u00f6nemli a\u015fama, safs\u0131zl\u0131klar\u0131n ayr\u0131lmas\u0131 ve al\u00fcminyum hurdan\u0131n fraksiyonlanmas\u0131d\u0131r.<\/p>\n

Al\u00fcminyum hurda, iki kategoriye ayr\u0131l\u0131r: yeni hurda ve eski hurda. Yeni al\u00fcminyum hurda, esas olarak al\u00fcminyum ve ala\u015f\u0131mlar\u0131n\u0131n \u00fcretim s\u00fcrecinde elde edilen al\u00fcminyum hurdas\u0131n\u0131 ifade eder. Eski al\u00fcminyum hurda ise esas olarak hurdaya ayr\u0131lan al\u00fcminyum ve al\u00fcminyum ala\u015f\u0131ml\u0131 par\u00e7alar\u0131 veya t\u00fcm \u00fcr\u00fcnleri ifade eder. \u0130lki, bile\u015fimi net ve t\u00fcketici de\u011feri y\u00fcksektir. Genellikle ala\u015f\u0131mlar kalitelerine g\u00f6re s\u0131n\u0131fland\u0131r\u0131l\u0131r ve depolan\u0131r; orijinal ala\u015f\u0131m ise \u00fcretici taraf\u0131ndan eritilir. \u0130kincisi ise genellikle al\u00fcminyum hurda olarak adland\u0131rd\u0131\u011f\u0131m\u0131z t\u00fcrd\u00fcr ve ayr\u0131\u015ft\u0131r\u0131l\u0131p s\u0131n\u0131fland\u0131r\u0131lmas\u0131 gerekir.<\/p>\n

Geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f al\u00fcminyumun ar\u0131t\u0131lmas\u0131<\/strong>
\nG\u00fcn\u00fcm\u00fczde al\u00fcminyum, d\u00fcnyada en yayg\u0131n olarak kullan\u0131lan demir d\u0131\u015f\u0131 metaldir ve al\u00fcminyum \u00fcr\u00fcnleri, ulusal ekonominin \u00e7e\u015fitli alanlar\u0131nda yayg\u0131n olarak kullan\u0131lmaktad\u0131r. Elektrolitik al\u00fcminyum \u00fcretimi ile kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f al\u00fcminyumun kullan\u0131lmas\u0131, su ve elektrik gibi kaynaklardan 95% tasarruf sa\u011flayabilir.
\n\u00dcretim s\u00fcrecinde daha az at\u0131k gaz ve at\u0131k olu\u015fur ve \u00e7evre kirlili\u011fi \u00f6nemli \u00f6l\u00e7\u00fcde azal\u0131r.
\nAyn\u0131 zamanda, geri d\u00f6n\u00fc\u015ft\u00fcr\u00fclm\u00fc\u015f al\u00fcminyumun kullan\u0131m\u0131, al\u00fcminyum ala\u015f\u0131ml\u0131 \u00fcr\u00fcnlerin \u00fcretim maliyetini de d\u00fc\u015f\u00fcrebilir; bu da \u00f6nemli sosyal ve ekonomik faydalar sa\u011flar.<\/p>\n

Erimi\u015f al\u00fcminyum ak\u0131s\u0131 i\u00e7in l\u00fctfen sales@adtechamm.com adresinden ileti\u015fime ge\u00e7iniz.<\/strong>
\nMakul bir eritme prosesi geli\u015ftirilerek, y\u00fcksek safl\u0131kta ve kimyasal bile\u015fime sahip bir al\u00fcminyum ala\u015f\u0131m\u0131 eriyi\u011fi elde edilir<\/p>\n