{"id":12237,"date":"2022-01-12T07:58:41","date_gmt":"2022-01-12T07:58:41","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=12237"},"modified":"2022-01-12T07:58:41","modified_gmt":"2022-01-12T07:58:41","slug":"nitrogen-degassing-device","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/tr\/nitrogen-degassing-device\/","title":{"rendered":"Azot Gaz\u0131 Giderme Cihaz\u0131"},"content":{"rendered":"

Azot gaz\u0131 giderme cihaz\u0131, basit yap\u0131ya sahip olmas\u0131, s\u0131v\u0131 al\u00fcminyuma kirlilik yaratmamas\u0131, uzun hizmet \u00f6mr\u00fc ve kolay bak\u0131m gibi avantajlara sahiptir.<\/span> \u00c7in\u2019de al\u00fcminyum ala\u015f\u0131ml\u0131 d\u00f6k\u00fcmlerde yayg\u0131n olarak kullan\u0131lmaktad\u0131r.<\/span><\/p>\n

Ergitme i\u015flemi s\u0131ras\u0131nda, al\u00fcminyum metali su buhar\u0131yla reaksiyona girerek al\u00fcminyum \u00e7\u00f6zeltisi i\u00e7inde \u00e7\u00f6z\u00fcnen hidrojen gaz\u0131 olu\u015fturur.<\/span> S\u0131v\u0131 al\u00fcminyum kat\u0131la\u015f\u0131rken i\u00e7inden hidrojen ayr\u0131l\u0131r.<\/span><\/p>\n

S\u0131v\u0131 al\u00fcminyumdaki hidrojen i\u00e7eri\u011fi \u00e7ok y\u00fcksekse, d\u00f6k\u00fcmde g\u00f6zenekler kolayca olu\u015fur; bu da d\u00f6k\u00fcm\u00fcn mekanik \u00f6zelliklerini d\u00fc\u015f\u00fcr\u00fcr ve d\u00f6k\u00fcm\u00fcn hurdaya ayr\u0131lmas\u0131na yol a\u00e7abilir.<\/span><\/p>\n

Hidrojen, s\u0131v\u0131 al\u00fcminyumda zararl\u0131 bir gazd\u0131r.<\/span> S\u0131v\u0131 al\u00fcminyumun hidrojen i\u00e7eri\u011fine ili\u015fkin f\u0131r\u0131n \u00f6ncesi test, d\u00f6k\u00fcm kalitesini sa\u011flamak a\u00e7\u0131s\u0131ndan \u00f6nemli bir i\u015flemdir.<\/span> \u00d6zellikle hassas kal\u0131pl\u0131 d\u00f6k\u00fcm i\u015fleminde, hidrojen ve c\u00fcrufu gidermek i\u00e7in azotla gaz giderme cihaz\u0131n\u0131n kullan\u0131m\u0131 vazge\u00e7ilmez bir unsur haline gelecektir.<\/span><\/p>\n

\"Azot<\/p>\n

Azot Gaz Giderme Cihaz\u0131: Gaz Giderme Prensibi<\/span><\/strong><\/p>\n

S\u0131v\u0131 al\u00fcminyum, kontrol edilebilir bir d\u00f6nen grafit mil ve bir rotor vas\u0131tas\u0131yla kar\u0131\u015ft\u0131r\u0131l\u0131r. \u00d6l\u00e7\u00fclen inert gaz, rotor arac\u0131l\u0131\u011f\u0131yla s\u0131v\u0131 al\u00fcminyumun i\u00e7ine bas\u0131l\u0131r ve k\u00fc\u00e7\u00fck kabarc\u0131klar halinde da\u011f\u0131l\u0131r; bu kabarc\u0131klar s\u0131v\u0131 metal i\u00e7inde e\u015fit bir \u015fekilde da\u011f\u0131l\u0131r. Kabarc\u0131klar i\u00e7in gaz k\u0131smi bas\u0131nc\u0131 s\u0131f\u0131rd\u0131r.<\/span><\/p>\n

S\u0131v\u0131 al\u00fcminyumdaki y\u00fcksek hidrojen k\u0131smi bas\u0131nc\u0131 nedeniyle, s\u0131v\u0131 al\u00fcminyumdaki hidrojen s\u00fcrekli olarak kabarc\u0131klar\u0131n i\u00e7ine yay\u0131l\u0131r; bu s\u0131rada s\u0131v\u0131 al\u00fcminyumdaki baz\u0131 metalik olmayan kal\u0131nt\u0131lar kabarc\u0131klar\u0131n y\u00fczeyine adsorbe olurken, di\u011fer baz\u0131 metalik olmayan kal\u0131nt\u0131lar ise hidrojenin inert bir \u015fekilde yap\u0131\u015fmas\u0131na neden olur.<\/span> Kabarc\u0131klar y\u00fczeye \u00e7\u0131kar.<\/span><\/p>\n

\u00d6zel bir durum oldu\u011funda gaz giderme filtre kutusu<\/a> Mevcut oldu\u011funda, kirlilikler d\u00f6k\u00fcmden \u00f6nce ayr\u0131\u015ft\u0131r\u0131l\u0131r ve ard\u0131ndan c\u00fcruf arac\u0131l\u0131\u011f\u0131yla k\u00fck\u00fcrtten ar\u0131nd\u0131r\u0131l\u0131r ve oksijenden ar\u0131nd\u0131r\u0131l\u0131r.<\/span> Gaz giderme prensibi de kabul g\u00f6rmektedir; y\u00fcksek verimlidir ve \u00fcretimi etkilemez.<\/span> S\u00fcre\u00e7.<\/span><\/p>\n

Bu y\u00f6ntem, s\u0131v\u0131 al\u00fcminyumun safl\u0131\u011f\u0131n\u0131 k\u0131sa s\u00fcrede art\u0131rabilir, hurda oran\u0131n\u0131 azaltabilir, \u00fcretim verimlili\u011fini art\u0131rabilir, d\u00f6k\u00fcmlerin mekanik \u00f6zelliklerini iyile\u015ftirebilir ve \u00fcr\u00fcnlerin rekabet g\u00fcc\u00fcn\u00fc art\u0131rabilir; bunlar geleneksel gaz giderme y\u00f6ntemiyle elde edilemeyen sonu\u00e7lard\u0131r.<\/span><\/p>\n

S\u0131v\u0131 al\u00fcminyum, grafit malzemesi ve al\u00fcmina malzemesinin kullan\u0131ld\u0131\u011f\u0131 uygulama ortamlar\u0131nda, kar\u0131\u015ft\u0131rma amac\u0131yla silikon karb\u00fcr malzemesi kullan\u0131labilir; ancak grafit \u00e7ubu\u011fun kendisi y\u00fcksek s\u0131cakl\u0131k direncine, d\u00fc\u015f\u00fck termal genle\u015fme katsay\u0131s\u0131na (bu sayede y\u00fcksek ve d\u00fc\u015f\u00fck s\u0131cakl\u0131klara maruz kald\u0131\u011f\u0131nda \u00e7atlamaz), orta d\u00fczeyde mukavemete, y\u00fcksek safl\u0131\u011fa sahip olmas\u0131 ve s\u0131v\u0131 al\u00fcminyumla reaksiyona girmemesi nedeniyle tercih edilir.<\/span><\/p>\n