{"id":5390,"date":"2019-07-18T03:01:00","date_gmt":"2019-07-18T03:01:00","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=5390"},"modified":"2019-07-18T07:47:13","modified_gmt":"2019-07-18T07:47:13","slug":"aluminum-casting-filtration","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/tr\/aluminum-casting-filtration\/","title":{"rendered":"Al\u00fcminyum D\u00f6k\u00fcm Filtrasyonu"},"content":{"rendered":"

Al\u00fcminyum D\u00f6k\u00fcm Filtrasyonu<\/strong><\/p>\n

Al\u00fcminyum d\u00f6k\u00fcm s\u00fczme i\u015flemi, al\u00fcminyum k\u00fcl\u00e7elerin kalite kontrol\u00fc a\u00e7\u0131s\u0131ndan b\u00fcy\u00fck \u00f6nem ta\u015f\u0131maktad\u0131r.<\/strong><\/p>\n

Metal eriyikindeki birincil ve ikincil s\u0131v\u0131\/kat\u0131 metal d\u0131\u015f\u0131 kal\u0131nt\u0131lar\u0131 gidermek, d\u00f6k\u00fcm sistemini basitle\u015ftirmek, kal\u0131nt\u0131 kaynakl\u0131 kusurlar\u0131 \u00f6nlemek, d\u00f6k\u00fcm\u00fcn mekanik \u00f6zelliklerini iyile\u015ftirmek, d\u00f6k\u00fcm\u00fcn i\u015fleme pay\u0131n\u0131 azaltmak, d\u00f6k\u00fcm\u00fcn y\u00fczey kalitesini iyile\u015ftirmek ve i\u015fleme aletinin \u00f6mr\u00fcn\u00fc uzatmak. .
\nD\u00f6k\u00fcmlerdeki ba\u015fl\u0131ca kal\u0131nt\u0131lar \u015funlard\u0131r: kalsiyum karbonat ve demir i\u00e7eren c\u00fcruf, manganez, al\u00fcminyum oksit, erimemi\u015f a\u015f\u0131 maddesi par\u00e7ac\u0131klar\u0131, s\u00fclf\u00fcr, magnezyum silikat, art\u0131k \u00e7\u00f6z\u00fcc\u00fc, kum ve benzeri maddeler.<\/p>\n

Al\u00fcminyum D\u00f6k\u00fcm Filtreleme ve Ar\u0131tma Mekanizmas\u0131<\/strong>
\n\u015eu mekanizma \u00fczerine yap\u0131lan ara\u015ft\u0131rma ile ilgili olarak al\u00fcminyum filtreleme<\/a> Ar\u0131tma konusunda ba\u015fl\u0131ca \u015fu g\u00f6r\u00fc\u015fler \u00f6ne \u00e7\u0131kmaktad\u0131r: derin yatak filtrasyon mekanizmas\u0131, y\u00fczer ayr\u0131\u015ft\u0131rma mekanizmas\u0131, adsorpsiyon mekanizmas\u0131 ve rektifikasyon mekanizmas\u0131.<\/p>\n

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

Derin Yatakl\u0131 Al\u00fcminyum D\u00f6k\u00fcm Filtreleme Mekanizmas\u0131<\/strong>
\nK\u00f6p\u00fck seramik filtrenin i\u00e7inde, eriyik maddenin akt\u0131\u011f\u0131 yol k\u0131vr\u0131ml\u0131d\u0131r ve k\u00fc\u00e7\u00fck bir yerel alanda
\n\u00c7apraz ak\u0131\u015fl\u0131 yeniden giri\u015f olgusuna gelince, bunun ba\u015fl\u0131ca iki amac\u0131 vard\u0131r.
\n1. Filtreyle temas eden partik\u00fcllerin filtreye tutulma olas\u0131l\u0131\u011f\u0131n\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde art\u0131rabilir;
\n2. Eriyi\u011fin ak\u0131\u015f h\u0131z\u0131 ve ak\u0131\u015f y\u00f6n\u00fc daha h\u0131zl\u0131 bir \u015fekilde de\u011fi\u015ftirilir; b\u00f6ylece eriyikteki ince kal\u0131nt\u0131lar belirli bir noktada hapsedilir ve geride b\u0131rak\u0131larak durdurulur.<\/p>\n

Adsorpsiyon mekanizmas\u0131<\/strong>
\nFiltre, kal\u0131b\u0131n kanal\u0131na veya d\u00f6k\u00fcm kanal\u0131na yerle\u015ftirilir ve ilk s\u0131v\u0131 ak\u0131\u015f\u0131, giri\u015f ucunun y\u00fczeyine ula\u015ft\u0131\u011f\u0131nda al\u00fcminyum d\u00f6k\u00fcm filtresi<\/a> d\u00f6k\u00fcm s\u0131ras\u0131nda, s\u0131v\u0131 ak\u0131\u015f\u0131n\u0131n ve k\u00f6p\u00fck tabakas\u0131n\u0131n adsorpsiyonu ger\u00e7ekle\u015fir.
\nBu adsorpsiyon, esas olarak se\u00e7ilmemi\u015f \u00e7ok molek\u00fcll\u00fc tabakan\u0131n fiziksel adsorpsiyonuna dayanmaktad\u0131r ve kal\u0131nt\u0131lar, t\u0131kanma meydana gelene kadar filtre \u0131zgaras\u0131nda katman katman adsorbe edilir.<\/p>\n

Al\u00fcminyum D\u00f6k\u00fcm Filtreleme ve Ar\u0131tma Mekanizmas\u0131<\/strong>
\nD\u00f6k\u00fcm i\u015flemi s\u0131ras\u0131nda filtre s\u00fczme ve metal ar\u0131tma yoluyla elde edilen muazzam ar\u0131tma etkisi, erimi\u015f metalin ak\u0131\u015f d\u00fczeninden yola \u00e7\u0131karak bu ar\u0131tma mekanizmas\u0131n\u0131 incelememiz i\u00e7in bize ilham vermektedir.
\nD\u00f6k\u00fcm i\u015flemi s\u0131ras\u0131nda, erimi\u015f metalin b\u00fcy\u00fck bir k\u0131sm\u0131 t\u00fcrb\u00fclansl\u0131 bir halde kal\u0131ba doldurulur; \u00f6zellikle d\u00f6k\u00fcm\u00fcn ilk a\u015famas\u0131nda, erimi\u015f metal belirli bir y\u00fckseklikten kal\u0131ba girer.
\nSeramik k\u00f6p\u00fck filtrenin ak\u0131\u015f yolunun k\u0131vr\u0131ml\u0131 ve dolamba\u00e7l\u0131 yap\u0131s\u0131 nedeniyle, s\u0131v\u0131 metalin t\u00fcrb\u00fclansl\u0131 ak\u0131\u015ftan laminer ak\u0131\u015fa ge\u00e7mesini sa\u011flama yetene\u011fi olduk\u00e7a y\u00fcksektir.
\nFiltran\u0131n d\u00fczeltilmesi, ba\u015flang\u0131\u00e7ta \u00e7ok g\u00fc\u00e7l\u00fc bir t\u00fcrb\u00fclansl\u0131 ak\u0131\u015fa sahip olan erimi\u015f metalin, filtreden ge\u00e7erken laminer bir ak\u0131\u015fa d\u00f6n\u00fc\u015fmesine neden olur.
\nFiltreden ge\u00e7tikten sonra, orijinal t\u00fcrb\u00fclansl\u0131 durumuna geri d\u00f6nmeden \u00f6nce daha uzun bir ge\u00e7i\u015f b\u00f6lgesinden ge\u00e7mesi gerekir.
\nBu ge\u00e7i\u015f b\u00f6lgesinde, s\u0131v\u0131 ak\u0131\u015f\u0131 art\u0131k t\u00fcrb\u00fclansl\u0131 ak\u0131\u015fa veya k\u00fc\u00e7\u00fck t\u00fcrb\u00fclanslara d\u00f6n\u00fc\u015femez; bu sayede metalin ikincil oksidasyonu ve kal\u0131b\u0131n a\u015f\u0131nmas\u0131 \u00f6nlenir, dolay\u0131s\u0131yla ikincil oksit kal\u0131nt\u0131lar\u0131n\u0131n c\u00fcruf t\u0131kanmas\u0131na yol a\u00e7an etkilerin olu\u015fmas\u0131 engellenir.<\/p>\n