{"id":8434,"date":"2021-03-05T05:23:35","date_gmt":"2021-03-05T05:23:35","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=8434"},"modified":"2021-03-05T05:23:35","modified_gmt":"2021-03-05T05:23:35","slug":"refractories-for-continuous-casting","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/tr\/refractories-for-continuous-casting\/","title":{"rendered":"S\u00fcrekli D\u00f6k\u00fcm i\u00e7in Ate\u015f Dayan\u0131kl\u0131 Malzemeler"},"content":{"rendered":"<p><strong>S\u00fcrekli D\u00f6k\u00fcm i\u00e7in Ate\u015fdiren\u00e7li Malzemeler, eritilerek \u00fcretilen malzemeleri ifade eder<\/strong>, hammadde partilerinin kristalle\u015ftirilmesi, tavlanmas\u0131 ve so\u011fuk i\u015flenmesi.<br \/>\nToplu eritme i\u015flemi i\u00e7in kullan\u0131lan enerji esas olarak elektrik enerjisi oldu\u011fundan (diren\u00e7 \u0131s\u0131s\u0131, ark \u0131s\u0131s\u0131 ve elektromanyetik alan\u0131n y\u00fcksek frekansl\u0131 enerjisi), bu t\u00fcr malzemelere genellikle erimi\u015f refrakter denir.<\/p>\n<p><img class=\"alignnone size-full wp-image-8435\" src=\"http:\/\/www.adtechamm.com\/wp-content\/uploads\/2021\/03\/Refractories-for-Continuous-Casting.jpg\" alt=\"S\u00fcrekli D\u00f6k\u00fcm i\u00e7in Ate\u015f Dayan\u0131kl\u0131 Malzemeler\" width=\"800\" height=\"600\" srcset=\"https:\/\/www.adtechamm.com\/wp-content\/uploads\/2021\/03\/Refractories-for-Continuous-Casting.jpg 800w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2021\/03\/Refractories-for-Continuous-Casting-300x225.jpg 300w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2021\/03\/Refractories-for-Continuous-Casting-768x576.jpg 768w, https:\/\/www.adtechamm.com\/wp-content\/uploads\/2021\/03\/Refractories-for-Continuous-Casting-700x525.jpg 700w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/p>\n<p><strong>S\u00fcrekli d\u00f6k\u00fcm, geli\u015fmi\u015f bir d\u00f6k\u00fcm y\u00f6ntemidir.<\/strong> Bu y\u00f6ntemin \u00e7al\u0131\u015fma prensibi, erimi\u015f metali \u201ckristalle\u015ftirici\u201d ad\u0131 verilen \u00f6zel bir metal kal\u0131ba s\u00fcrekli olarak d\u00f6kmektir. Kat\u0131la\u015fan (kabuklanan) d\u00f6k\u00fcm, kristalle\u015ftiricinin di\u011fer ucundan s\u00fcrekli olarak d\u0131\u015far\u0131 ak\u0131t\u0131l\u0131r. Bu \u015fekilde, istenen herhangi bir uzunlukta veya belirli uzunlukta d\u00f6k\u00fcmler elde edilebilir.<br \/>\n\u015eunun geli\u015ftirilmesi: <a href=\"http:\/\/www.adtechamm.com\/tr\/continuous-casting-machine\/\">s\u00fcrekli d\u00f6k\u00fcm<\/a> \u00c7in metalurji end\u00fcstrisinin yap\u0131s\u0131n\u0131 optimize etmenin \u00f6nemli bir arac\u0131d\u0131r; bu, \u00c7in\u2019in metal malzeme \u00fcretimindeki d\u00fc\u015f\u00fck verimlilik ve y\u00fcksek t\u00fcketim durumunu k\u00f6kten de\u011fi\u015ftirecek ve \u00fcr\u00fcn yap\u0131s\u0131n\u0131n uzmanla\u015fma y\u00f6n\u00fcnde geli\u015fmesini te\u015fvik edecektir.<br \/>\nNeredeyse net \u015fekilli s\u00fcrekli d\u00f6k\u00fcm, tek kristal s\u00fcrekli d\u00f6k\u00fcm, y\u00fcksek verimli s\u00fcrekli d\u00f6k\u00fcm, s\u00fcrekli d\u00f6k\u00fcm k\u00fct\u00fcklerinin s\u0131cak teslimi ve s\u0131cak y\u00fckleme gibi ileri d\u00fczey s\u00fcrekli d\u00f6k\u00fcm teknolojilerinin geli\u015ftirilmesi alan\u0131nda \u00e7ok yo\u011fun bir faaliyet ya\u015fanacak ve bu geli\u015fmeler bir dizi yeni malzemenin ara\u015ft\u0131rma ve geli\u015ftirilmesini te\u015fvik edecektir.<\/p>\n<p><strong>Al\u00fcminyum end\u00fcstrisinde S\u00fcrekli D\u00f6k\u00fcm i\u00e7in Ate\u015fdirenlerin Kullan\u0131m\u0131<\/strong><br \/>\nD\u00fcnya \u00e7ap\u0131ndaki demir d\u0131\u015f\u0131 metal \u00fcretiminde, al\u00fcminyumun y\u0131ll\u0131k \u00fcretimi her zaman birinci s\u0131rada yer alm\u0131\u015f ve di\u011fer demir d\u0131\u015f\u0131 metalleri a\u00e7\u0131k ara geride b\u0131rakm\u0131\u015ft\u0131r. Al\u00fcminyum end\u00fcstrisi taraf\u0131ndan her y\u0131l t\u00fcketilen refrakter malzeme miktar\u0131, bak\u0131r, kur\u015fun ve \u00e7inkonun eritilmesinde t\u00fcketilen toplam refrakter malzeme miktar\u0131ndan \u00e7ok daha fazlad\u0131r.<br \/>\nAl\u00fcminyum eritme end\u00fcstrisindeki i\u015fleme s\u00fcrecine g\u00f6re, S\u00fcrekli D\u00f6k\u00fcm i\u00e7in Ate\u015fdirenler iki kategoriye ayr\u0131l\u0131r: elektrolitik al\u00fcminyum i\u00e7in ate\u015fdirenler ve al\u00fcminyum eritme f\u0131r\u0131nlar\u0131 i\u00e7in ate\u015fdirenler.<br \/>\n<strong>Modern elektrolitik al\u00fcminyum end\u00fcstrisinde \u00fcretim, kriolit-al\u00fcmina erimi\u015f tuz elektrolizi y\u00f6ntemiyle ger\u00e7ekle\u015ftirilmektedir.<\/strong><br \/>\nErimi\u015f kriolit \u00e7\u00f6z\u00fcc\u00fc olarak kullan\u0131l\u0131r; al\u00fcmina \u00e7\u00f6z\u00fcnen madde, karbon g\u00f6vde anot, al\u00fcminyum s\u0131v\u0131s\u0131 ise katot olarak kullan\u0131l\u0131r. G\u00fc\u00e7l\u00fc bir do\u011fru ak\u0131m uyguland\u0131ktan sonra, elektrokimyasal reaksiyon 900\u00b0C-1000\u00b0C s\u0131cakl\u0131kta elektrolitik h\u00fccredeki iki kutupta ger\u00e7ekle\u015ftirilir. Elektrolit ve al\u00fcminyum erimi\u015f halde tutulur, s\u0131v\u0131 al\u00fcminyum aral\u0131klarla tanktan bo\u015falt\u0131l\u0131r ve tanka belirli miktarda al\u00fcmina ve kriyolit eklenir.<br \/>\nElektroliz s\u00fcrecinde eklenen kriolit gibi elektrolitler tam olarak elektrolize edilemedi\u011finden, fazla kalan k\u0131s\u0131m ve eriyik \u00fczerindeki gaz faz\u0131, refrakterde ciddi korozyona neden olacakt\u0131r.<br \/>\nAl\u00fcminyum eritme f\u0131r\u0131n\u0131, al\u00fcminyum eritme s\u00fcrecine dayal\u0131 olarak geli\u015ftirilmi\u015f, y\u00fcksek verimli ve enerji tasarruflu yeni bir al\u00fcminyum eritme f\u0131r\u0131n\u0131 t\u00fcr\u00fcd\u00fcr. Bu f\u0131r\u0131n, al\u00fcminyum eritme s\u00fcrecinde kat\u0131 ala\u015f\u0131m bile\u015fimi, kesintili \u00fcretim ve b\u00fcy\u00fck tek f\u0131r\u0131n kapasitesi gibi gereksinimleri ba\u015far\u0131yla kar\u015f\u0131layabilmektedir. T\u00fcketimi azalt\u0131r, yanma kayb\u0131n\u0131 d\u00fc\u015f\u00fcr\u00fcr, \u00fcr\u00fcn kalitesini art\u0131r\u0131r, i\u015f g\u00fcc\u00fc yo\u011funlu\u011funu azalt\u0131r, \u00e7al\u0131\u015fma ko\u015fullar\u0131n\u0131 iyile\u015ftirir ve \u00fcretim verimlili\u011fini art\u0131r\u0131r.<br \/>\n\u00c7al\u0131\u015fma s\u00fcreci boyunca, 750 \u00b0C\u2019deki erimi\u015f al\u00fcminyumun viskozitesi 20 \u00b0C\u2019deki suyunkine olduk\u00e7a yak\u0131n oldu\u011fundan, f\u0131r\u0131n astar\u0131na n\u00fcfuz etmesi ve kimyasal reaksiyonlara yol a\u00e7mas\u0131 \u00e7ok kolayd\u0131r; erimi\u015f al\u00fcminyum refrakter malzemelerle temas etti\u011finde, ate\u015f dayan\u0131kl\u0131 malzemelerdeki SiO\u2082, TiO\u2082, FeO gibi oksitler al\u00fcminyum taraf\u0131ndan kolayca indirgenir ve bu da f\u0131r\u0131n astar\u0131n\u0131n y\u00fczeyinde nod\u00fcller, \u015fi\u015fkinlikler ve \u00e7\u00f6kelmi\u015f kal\u0131nt\u0131lara neden olur.<br \/>\nF\u0131r\u0131n\u0131n \u00e7al\u0131\u015fmas\u0131 s\u0131ras\u0131nda, f\u0131r\u0131n i\u00e7indeki erimi\u015f metal s\u00fcrekli olarak \u00e7alkalan\u0131r ve kar\u0131\u015ft\u0131r\u0131l\u0131r; bu da f\u0131r\u0131n astar\u0131n\u0131 s\u00fcrekli olarak a\u015f\u0131nd\u0131r\u0131r ve y\u0131prat\u0131r. Erimi\u015f al\u00fcminyumun n\u00fcfuz etti\u011fi k\u0131s\u0131m ise s\u0131zma ve \u00e7atlama tehlikesiyle kar\u015f\u0131 kar\u015f\u0131yad\u0131r; ayr\u0131ca f\u0131r\u0131n kapat\u0131ld\u0131\u011f\u0131nda bu durum par\u00e7alanmaya da neden olur.<br \/>\nBu nedenle, erimi\u015f al\u00fcminyumla temas eden f\u0131r\u0131n astar malzemesi, y\u00fcksek termal kararl\u0131l\u0131\u011fa ve m\u00fcmk\u00fcn oldu\u011funca az emme \u00f6zelli\u011fine sahip olmal\u0131; ayn\u0131 zamanda y\u00fcksek mekanik mukavemet ve sertlik de sa\u011flamal\u0131d\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"<p>Refractories for Continuous Casting refers to materials made by melting, crystallization, annealing and cold working of raw material batches. Since the energy used for batch melting is mainly electric energy (resistance heat, arc heat and high-frequency energy of electromagnetic field), this type of material is&#8230;<\/p>","protected":false},"author":1,"featured_media":8435,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26523],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Refractories for Continuous Casting | Adtech China<\/title>\n<meta name=\"description\" content=\"Refractories for Continuous Casting refers to materials made by melting, crystallization, annealing and cold working of raw material batches.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.adtechamm.com\/tr\/refractories-for-continuous-casting\/\" \/>\n<meta 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