{"id":4826,"date":"2020-09-17T02:09:39","date_gmt":"2020-09-17T02:09:39","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=4826"},"modified":"2020-09-17T02:09:39","modified_gmt":"2020-09-17T02:09:39","slug":"grain-refinement-process","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/grain-refinement-process\/","title":{"rendered":"Proceso de refinamiento del grano"},"content":{"rendered":"

El proceso de refinado de grano se utiliza ampliamente en la colada semicontinua. Dado que este proceso permite utilizar c\u00f3modamente un alimentador de alambre refinado, es posible ajustar adecuadamente la direcci\u00f3n de adici\u00f3n del refinador de grano y la velocidad de adici\u00f3n del alambre refinado para garantizar el mejor efecto de refinado. Adem\u00e1s, durante el proceso de fabricaci\u00f3n del refinador de grano, el grano del propio refinador ya ha sido refinado, lo que optimiza el efecto de refinado de la plancha de colada semicontinua. Para la adici\u00f3n del refinador de grano, el alimentador utilizado puede controlarse en l\u00ednea mediante el sistema de control autom\u00e1tico del proceso de colada, de modo que la velocidad y la cantidad de adici\u00f3n de refinador de cereales<\/a> adaptarse al proceso de fundici\u00f3n real y mejorar a\u00fan m\u00e1s el efecto de refinado de grano. Al acelerarse la velocidad de fundici\u00f3n, la velocidad del dosificador del refinador de grano aumenta proporcionalmente, y la relaci\u00f3n entre la cantidad a\u00f1adida de refinador de grano y la cantidad de aluminio l\u00edquido se mantiene constante, lo que garantiza la estabilidad del efecto de refinado de grano.<\/p>\n

Al a\u00f1adir el refinador de grano al aluminio fundido, este destruye la pel\u00edcula de \u00f3xido presente en la superficie del aluminio fundido, lo que hace que algunas de las inclusiones de \u00f3xido penetren en el aluminio fundido, lo que da lugar a un aumento del contenido de inclusiones en el aluminio fundido. Adem\u00e1s, el aluminio fundido quedar\u00e1 expuesto al aire, lo que aumentar\u00e1 la absorci\u00f3n de aire por parte del aluminio fundido y, por consiguiente, su contenido en hidr\u00f3geno. Por lo tanto, el proceso de refinado de grano debe realizarse antes de la sistema de desgasificaci\u00f3n en l\u00ednea<\/a> y Sistema de filtrado CFF<\/a>, una vez finalizado el proceso de refinado del grano, el aluminio fundido pasa por el dispositivo de eliminaci\u00f3n de hidr\u00f3geno y por el dispositivo de filtrado; de este modo, se eliminan del aluminio fundido las inclusiones de hidr\u00f3geno y \u00f3xido, y el aluminio fundido queda purificado.<\/p>\n

\"Proceso<\/p>\n

Dado que el punto de fusi\u00f3n del titanio, que interviene en el refinador de grano, es muy alto, aunque el fundente del refinador pueda mejorar el proceso de fusi\u00f3n del titanio, una parte de este permanece en forma de part\u00edculas. Si el dispositivo de refinado de grano est\u00e1 demasiado cerca del filtro de espuma cer\u00e1mica<\/a>, el titanio no fundido filtrar\u00e1 el titanio granular que contiene, lo que reducir\u00e1 el efecto de refinamiento del grano. Por lo tanto, el refinador de grano debe situarse lo m\u00e1s lejos posible del filtro cer\u00e1mico para favorecer la fusi\u00f3n del titanio y mejorar el efecto de refinamiento del grano.<\/p>","protected":false},"excerpt":{"rendered":"

Grain refinement process is widely used in semi-continuous casting. Because the grain refinement process is convenient to use a refined wire feeder, the adding direction…<\/p>","protected":false},"author":1,"featured_media":4833,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[4692],"class_list":["post-4826","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-grain-refinement-process"],"yoast_head":"\nGrain Refinement Process used in Semi-continuous Casting<\/title>\n<meta name=\"description\" content=\"Grain refinement process is widely used in semi-continuous casting. 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