{"id":8874,"date":"2022-08-31T08:53:59","date_gmt":"2022-08-31T08:53:59","guid":{"rendered":"https:\/\/www.aluminiumceramicfiber.com\/?p=8874"},"modified":"2022-08-31T08:57:43","modified_gmt":"2022-08-31T08:57:43","slug":"the-purification-of-aluminium","status":"publish","type":"post","link":"https:\/\/www.aluminiumceramicfiber.com\/tr\/the-purification-of-aluminium\/","title":{"rendered":"Al\u00fcminyumun ar\u0131t\u0131lmas\u0131"},"content":{"rendered":"

\u201cal\u00fcminyumun ar\u0131t\u0131lmas\u0131<\/a>\u201d Hubei Elektromekanik Ara\u015ft\u0131rma ve Tasar\u0131m Enstit\u00fcs\u00fc, 1988 y\u0131l\u0131ndan beri k\u00f6p\u00fck seramik filtreler \u00fczerine ara\u015ft\u0131rmalar y\u00fcr\u00fctmektedir. Farkl\u0131 \u00e7al\u0131\u015fma ko\u015fullar\u0131na g\u00f6re, mulit (MF tipi), korindon (AF tipi) ve zirkonya-mulit geli\u015ftirmi\u015ftir. Zirkonya-korindon (ZMF tipi) ve zirkonyum-korindon (ZAF tipi) olmak \u00fczere d\u00f6rt t\u00fcr k\u00f6p\u00fck seramik malzeme geli\u015ftirmi\u015ftir; bu malzemelerin a\u00e7\u0131k g\u00f6zeneklili\u011fi 7585wol% olup, oda s\u0131cakl\u0131\u011f\u0131nda ve y\u00fcksek s\u0131cakl\u0131ktaki bas\u0131n\u00e7 dayan\u0131m\u0131 s\u0131ras\u0131yla 2,5~3,5 MPa ve 1,3~2,0 MPa\u2019d\u0131r; ate\u015f dayan\u0131m\u0131 1640~1800 \u2103 olup, maksimum \u00e7al\u0131\u015fma s\u0131cakl\u0131\u011f\u0131 1650 \u2103'ye ula\u015fabilmektedir; bu de\u011fer, uluslararas\u0131 ileri seviyeye yak\u0131nd\u0131r. Bu serideki k\u00f6p\u00fck seramik filtrelerin \u00fcretim s\u00fcreci \u00f6zellikleri \u015funlard\u0131r: d\u00fc\u015f\u00fck termal genle\u015fme katsay\u0131s\u0131na, y\u00fcksek refrakterli\u011fe, m\u00fckemmel sinterleme yard\u0131mc\u0131l\u0131\u011f\u0131na ve seramik bulamac\u0131 s\u00fcspansiyon ve dispersiyon kabiliyetine sahip yeni tip bir yard\u0131mc\u0131 madde se\u00e7ilmi\u015ftir; se\u00e7ilen seramik \u00e7amurunun ba\u011flay\u0131c\u0131s\u0131, y\u00fcksek mukavemetli, d\u00fc\u015f\u00fck gaz olu\u015fumuna sahip ve d\u00fc\u015f\u00fck maliyetli bir inorganik ba\u011flay\u0131c\u0131d\u0131r. Bu serinin uygulama prati\u011fi g\u00f6zenekli seramik filtre<\/a>Onun \u00fczerinde d\u00f6k\u00fcm i\u015fletmesinin \u00fcretim tesislerinde yap\u0131lan incelemeler \u015funu g\u00f6stermektedir: \u00c7e\u015fitli kal\u0131nt\u0131lar\u0131n verimli bir \u015fekilde filtrelenmesi ve kristal faz yap\u0131s\u0131n\u0131n iyile\u015ftirilmesi sayesinde, d\u00f6k\u00fcm kusurlar\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde azalt\u0131labilir, hatta tamamen ortadan kald\u0131r\u0131labilir; Gri demirin \u00e7ekme mukavemeti, darbe toklu\u011fu ve sertli\u011fi s\u0131ras\u0131yla 6,9% ve 194% oran\u0131nda artm\u0131\u015ft\u0131r; bu, bir s\u0131n\u0131f art\u0131\u015fa e\u015fde\u011ferdir; y\u00fcksek kromlu ala\u015f\u0131ml\u0131 a\u015f\u0131nmaya dayan\u0131kl\u0131 d\u00f6kme demirin e\u011filme mukavemeti, darbe toklu\u011fu ve sertli\u011fi de s\u0131ras\u0131yla iyile\u015ftirilebilir. 14%, 15% ve 30%; ayr\u0131ca yukar\u0131daki mekanik \u00f6zelliklerin da\u011f\u0131l\u0131m\u0131 ~67% oran\u0131nda azalt\u0131labilir, yani performans daha istikrarl\u0131d\u0131r; karbon \u00e7eli\u011finin \u00e7ekme mukavemeti, akma noktas\u0131 ve uzama de\u011feri s\u0131ras\u0131yla 3% ve 3% art\u0131r\u0131labilir. yakla\u015f\u0131k 6% civar\u0131nda.<\/p>\n

\"al\u00fcminyumun

al\u00fcminyumun ar\u0131t\u0131lmas\u0131<\/p><\/div>\n

Bununla birlikte, genel teknik seviyesi g\u00f6zenekli seramik filtre<\/a>\u00dclkemizdeki durum, yabanc\u0131 \u00fclkelere k\u0131yasla \u00e7ok geride kalmaktad\u0131r. Bu durum a\u015fa\u011f\u0131daki hususlarda kendini g\u00f6stermektedir: \u2460 \u00dcr\u00fcn \u00e7e\u015fitlili\u011fi azd\u0131r, teknik \u00f6zellikler s\u0131n\u0131rl\u0131d\u0131r, \u00fcretim hacmi d\u00fc\u015f\u00fckt\u00fcr, kalite istikrars\u0131zd\u0131r; \u015fekillendirme s\u00fcreci manuel veya yar\u0131 mekanize olup, b\u00fcy\u00fck boyutlu \u00fcr\u00fcnlerin kalite uygunluk oran\u0131 d\u00fc\u015f\u00fckt\u00fcr. \u2461 K\u00f6p\u00fckl\u00fc plastik hammaddenin kalitesi istikrars\u0131zd\u0131r; elastikiyet ve g\u00f6zeneklilik nispeten d\u00fc\u015f\u00fckt\u00fcr ve bu durum, k\u00f6p\u00fckl\u00fc seramik \u00fcr\u00fcnlerin kalitesini do\u011frudan etkilemektedir. \u2462 \u00c7in\u2019de g\u00f6zenekli seramik filtrelerin pi\u015firilmesi \u00e7o\u011funlukla ters alevli f\u0131r\u0131nlarda ger\u00e7ekle\u015ftirilmektedir; bu f\u0131r\u0131nlar \u00fcretim verimlili\u011fi a\u00e7\u0131s\u0131ndan d\u00fc\u015f\u00fckt\u00fcr, f\u0131r\u0131n yo\u011funlu\u011fu azd\u0131r ve \u00fcretim maliyetleri y\u00fcksektir.
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