{"id":8385,"date":"2021-03-02T09:19:32","date_gmt":"2021-03-02T09:19:32","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=8385"},"modified":"2021-03-02T09:19:32","modified_gmt":"2021-03-02T09:19:32","slug":"rotary-degassing-equipment","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/tr\/rotary-degassing-equipment\/","title":{"rendered":"D\u00f6ner Gaz Giderme Ekipman\u0131"},"content":{"rendered":"

D\u00f6ner Gaz Giderme Ekipman\u0131<\/strong> d\u00f6k\u00fcm (veya metal tutma) oca\u011f\u0131 ile d\u00f6k\u00fcm makinesi aras\u0131nda ger\u00e7ekle\u015ftirilir. Bu t\u00fcr bir metalurjik oluk, d\u00f6k\u00fcm oca\u011f\u0131ndan d\u00f6k\u00fcm makinesine do\u011fru hafif bir e\u011fime sahip olabilir ve erimi\u015f metalin d\u00f6k\u00fcm oca\u011f\u0131ndan d\u00f6k\u00fcm makinesine ak\u0131\u015f\u0131 i\u00e7in uygundur.<\/p>\n

Erimi\u015f al\u00fcminyumdaki safs\u0131zl\u0131klar<\/strong>
\nAl\u00fcminyum eriyikindeki kirlilikler, metal hammaddelerin yan\u0131 s\u0131ra, eritme i\u015flemi s\u0131ras\u0131nda al\u00fcminyum eriyik, f\u0131r\u0131n astar\u0131ndan, f\u0131r\u0131n gaz\u0131ndan, ak\u0131 maddesinden, hammadde y\u00fck\u00fcnden ve i\u015fletme aletlerinden de kirlilikleri emer.<\/p>\n

Al\u00fcminyum eriyikindeki metalik olmayan kal\u0131nt\u0131lar, esas olarak al\u00fcmina'y\u0131 ifade eder. Yo\u011fun ve dayan\u0131kl\u0131 \u00f6zelliklere sahiptir. \u0130ster kat\u0131 ister s\u0131v\u0131 olsun, y\u00fczeye s\u0131k\u0131ca yap\u0131\u015fan kat\u0131 bir koruyucu tabaka olu\u015fturmas\u0131 kolayd\u0131r.
\nAl\u00fcminyum oksit tabakas\u0131 erimi\u015f haldeyken darbe ald\u0131\u011f\u0131nda, kolayca ince bir tabaka haline gelir ve bu da en b\u00fcy\u00fck hasara yol a\u00e7ar. Al\u00fcmina yo\u011funlu\u011fu 3~4 g\/cm\u00b3\u2019ye ula\u015fabilse de, y\u00fcksek s\u0131cakl\u0131kta sadece 2,3~2,4 g\/cm\u00b3\u2019d\u00fcr; bu de\u011fer, al\u00fcminyum \u00e7\u00f6zeltisinin yo\u011funlu\u011fuyla neredeyse ayn\u0131d\u0131r.
\nBu nedenle, bunlar asl\u0131nda erimi\u015f al\u00fcminyum i\u00e7inde s\u00fcspansiyon halinde bulunurlar.<\/p>\n

Oksitlenmi\u015f c\u00fcruf kat\u0131la\u015ft\u0131ktan sonra, d\u00f6k\u00fcm \u015feridine kar\u0131\u015ft\u0131r\u0131l\u0131r.<\/strong>
\n\u00c7\u00fcnk\u00fc ne al\u00fcminyum ala\u015f\u0131m\u0131nda \u00e7\u00f6z\u00fcnebilir, ne de di\u011fer elementlerle ara bile\u015fikler olu\u015fturabilir.
\nYaln\u0131zca kat\u0131 haldeyken kristal tanelerinin tane s\u0131n\u0131rlar\u0131nda da\u011f\u0131labilir ve bu sayede kristal taneleri aras\u0131ndaki ba\u011flanma kuvvetini ortadan kald\u0131r\u0131r.
\nBu oksit c\u00fcrufunun varl\u0131\u011f\u0131 nedeniyle, kristaller aras\u0131 ba\u011flanma kuvveti bozulur.
\nBu durum bir\u00e7ok tehlikeye yol a\u00e7ar, bas\u0131n\u00e7l\u0131 i\u015fleme s\u0131ras\u0131nda proses performans\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr ve i\u015fleme s\u0131ras\u0131nda metalin tabakalar\u0131n\u0131n ayr\u0131lmas\u0131na neden olur; bu da \u00e7atlaklara yol a\u00e7ar.
\nAl\u00fcminyum \u00fcr\u00fcnlerin mukavemeti de\u011fi\u015fkendir ve uzama oran\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde azal\u0131r. \u00d6zellikle darbe y\u00fck\u00fc veya titre\u015fim y\u00fck\u00fc alt\u0131nda s\u00fcnek k\u0131r\u0131lma meydana gelir ve bu da malzemenin hizmet \u00f6mr\u00fcn\u00fc olumsuz etkiler.<\/p>\n

\"D\u00f6ner<\/p>\n

G\u00fcn\u00fcm\u00fczde, al\u00fcminyum ala\u015f\u0131ml\u0131 d\u00f6k\u00fcm i\u015flemlerinin \u00e7o\u011fu D\u00f6ner Gaz Giderme Ekipman\u0131nda uygulanmaktad\u0131r.<\/strong> Uygulamada g\u00f6r\u00fcld\u00fc\u011f\u00fc \u00fczere, \u00e7evrimi\u00e7i gaz giderme cihaz\u0131<\/a> farkl\u0131 gaz giderme etkilerine sahiptir.
\nBu nedenle, \u00e7evrimi\u00e7i gaz giderme cihaz\u0131n\u0131n gaz giderme etkisi a\u00e7\u0131s\u0131ndan s\u0131v\u0131 s\u0131cakl\u0131\u011f\u0131 gerekliliklerini dikkate almak gerekmektedir.
\nBuna ek olarak, kristalle\u015ftiricideki s\u0131v\u0131dan gaz ka\u00e7\u0131\u015f\u0131 da dikkate al\u0131nmal\u0131d\u0131r.
\nD\u00fc\u015f\u00fck d\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131 nedeniyle, kal\u0131ptaki gaz\u0131n s\u0131v\u0131 y\u00fczeyinden \u00e7\u0131kmas\u0131 i\u00e7in \u00e7ok ge\u00e7 kal\u0131r; bu da g\u00f6zeneklilik ve gev\u015fekli\u011fe yol a\u00e7ar ve ayr\u0131ca c\u00fcruf ve so\u011fuk yal\u0131t\u0131m gibi kalite kusurlar\u0131na da neden olabilir.
\nY\u00fcksek d\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131, erime s\u0131cakl\u0131\u011f\u0131n\u0131 a\u015fmamal\u0131d\u0131r.
\nD\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131n\u0131n \u00e7ok y\u00fcksek olmas\u0131, d\u00f6k\u00fcm\u00fcn ba\u015flang\u0131c\u0131nda al\u00fcminyum s\u0131z\u0131nt\u0131s\u0131na neden olur.
\nAktar\u0131m aletinin uzunlu\u011fu farkl\u0131 oldu\u011fundan ve s\u0131v\u0131n\u0131n s\u0131cakl\u0131k d\u00fc\u015f\u00fc\u015f\u00fc de farkl\u0131 oldu\u011fundan, boru hatt\u0131 \u00fczerinde \u0131s\u0131nma noktalar\u0131 olu\u015fur ve aktar\u0131m i\u015flemi s\u0131ras\u0131nda s\u0131v\u0131n\u0131n s\u0131cakl\u0131\u011f\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde dalgalan\u0131r.
\nBu nedenle, d\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131, kal\u0131ba enjekte edilen s\u0131v\u0131n\u0131n s\u0131cakl\u0131\u011f\u0131n\u0131 ifade etmelidir.
\nGenel olarak, d\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131, ala\u015f\u0131m\u0131n ger\u00e7ek kristalle\u015fme s\u0131cakl\u0131\u011f\u0131ndan 50\u00b0C ila 70\u00b0C daha y\u00fcksektir.
\nD\u00f6k\u00fcm makinesinde 1xxx ve 3xxx serisi al\u00fcminyum ala\u015f\u0131mlar\u0131n\u0131n ge\u00e7i\u015f b\u00f6lgesi dard\u0131r ve d\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131 bu s\u0131cakl\u0131ktan daha y\u00fcksek olmal\u0131d\u0131r. 2xxx ve 7xxx serisi ala\u015f\u0131mlar\u0131n ge\u00e7i\u015f b\u00f6lgesi ise daha geni\u015ftir. D\u00f6k\u00fcm s\u0131cakl\u0131\u011f\u0131 bu s\u0131cakl\u0131ktan daha d\u00fc\u015f\u00fck olmal\u0131d\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"

Rotary Degassing Equipment is carried out between the casting (or metal holding) furnace and the casting machine. Such a metallurgical launder can have a slight inclination from the casting furnace to the casting machine, and is suitable for the flow of molten metal from the…<\/p>","protected":false},"author":1,"featured_media":8386,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[45391],"tags":[1303,1301,1306,1331],"yoast_head":"\nRotary Degassing Equipment -Molten Aluminium | Adtech China<\/title>\n<meta name=\"description\" content=\"Rotary Degassing Equipment is carried out between the casting (or metal holding) furnace and the casting machine. 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