{"id":10273,"date":"2021-09-14T03:39:12","date_gmt":"2021-09-14T03:39:12","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10273"},"modified":"2021-09-14T07:14:22","modified_gmt":"2021-09-14T07:14:22","slug":"headbox-installation","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/es\/headbox-installation\/","title":{"rendered":"Instalaci\u00f3n de la caja de entrada"},"content":{"rendered":"<p>La instalaci\u00f3n de la caja de entrada (caja delantera) es importante para la precisi\u00f3n del control del nivel de aluminio l\u00edquido; es uno de los factores clave que influyen en la calidad de la fundici\u00f3n de chapas de aluminio ultradelgadas de alta velocidad y de los productos del laminador.<\/p>\n<p>Al instalar y ajustar la boquilla de colada y la caja delantera, la operaci\u00f3n debe realizarse con rapidez y no debe transcurrir m\u00e1s de 3 h desde que se saca el horno de calentamiento de la herramienta hasta que esta se coloca en posici\u00f3n vertical. La m\u00e1quina debe estar parada durante el ajuste y la instalaci\u00f3n de la caja delantera.<\/p>\n<p>Colocar una capa de fibra de silicato de aluminio de 2 cm de grosor entre la caja de entrada y el <a href=\"http:\/\/www.alalloycasting.com\/es\/casting-tips-and-nozzle\/\">boquilla para consejos de fundici\u00f3n<\/a>, y a continuaci\u00f3n fijarlo con pernos. Tras la instalaci\u00f3n de la caja de entrada, debe calentarse, y la temperatura debe ser superior a 200 \u2103.<\/p>\n<p>El aluminio l\u00edquido entra en el dispositivo de refinado de gas a trav\u00e9s del canal de alimentaci\u00f3n, contin\u00faa el proceso de eliminaci\u00f3n del hidr\u00f3geno y, a continuaci\u00f3n, pasa a la caja delantera a trav\u00e9s del siguiente canal de alimentaci\u00f3n; despu\u00e9s, entra en la planta de fundici\u00f3n y laminaci\u00f3n a trav\u00e9s de la tobera para producir placas de aluminio, que la bobinadora enrolla para formar bobinas de fundici\u00f3n. El proceso tecnol\u00f3gico impone requisitos estrictos en cuanto al nivel de l\u00edquido.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-10275\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/09\/Vertical-Slab-Stage-2.jpg\" alt=\"\" width=\"400\" height=\"320\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/09\/Vertical-Slab-Stage-2.jpg 400w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/09\/Vertical-Slab-Stage-2-300x240.jpg 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><\/p>\n<p><strong>El control del nivel de l\u00edquido de la caja de entrada presenta las siguientes caracter\u00edsticas:<\/strong><\/p>\n<ul>\n<li>Existe un enlace con retardo. El objeto controlado es una canaleta larga y estrecha. La salida y la entrada se encuentran, respectivamente, en los dos extremos de la canaleta. El requisito de control es que el nivel de l\u00edquido en la salida se mantenga estable, por lo que se introducir\u00e1 un retardo considerable en el sistema.<\/li>\n<li>El volumen del canal de flujo genera una mayor inercia.<\/li>\n<li>Existen numerosas perturbaciones en el sistema, tales como un nivel de l\u00edquido inestable en el dep\u00f3sito superior, una velocidad de vertido irregular, un flujo turbulento en el dep\u00f3sito de agua y un flujo irregular en el canal de salida.<\/li>\n<li>El espesor de la placa de aluminio es reducido y la velocidad de producci\u00f3n es elevada, por lo que los requisitos de precisi\u00f3n en el control del nivel de l\u00edquido son muy exigentes.<\/li>\n<\/ul>\n<p>El problema del aumento del nivel de l\u00edquido en el dep\u00f3sito delantero del taller de fundici\u00f3n y colada viene de lejos. Debido al aumento del nivel de l\u00edquido, la placa vertical de la m\u00e1quina de colada continua se rompi\u00f3 poco despu\u00e9s. Por este motivo, el rendimiento de la m\u00e1quina de colada continua ha sido bajo y no alcanza la capacidad nominal de la l\u00ednea de producci\u00f3n.<\/p>\n<p>Control del nivel de l\u00edquido de la caja delantera: El control del nivel de l\u00edquido de la caja delantera es de tipo flotante. Cuando el nivel de l\u00edquido es alto, el flotador se eleva, el obturador aumenta el caudal y el <a href=\"http:\/\/www.alalloycasting.com\/es\/ceramic-tube\/\">tubo de cer\u00e1mica<\/a> El caudal disminuye. Cuando el nivel del l\u00edquido es bajo, el flotador desciende, la obstrucci\u00f3n reduce el vertido y el caudal por la tuber\u00eda aumenta.<\/p>","protected":false},"excerpt":{"rendered":"<p>Headbox (front box) installation is important for aluminum liquid level control accuracy, it is one of the key factors affecting the quality of ultra-thin fast&hellip;<\/p>","protected":false},"author":1,"featured_media":10274,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[12673,12672],"class_list":["post-10273","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-aluminum-liquid-level-control","tag-headbox-installation"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Headbox Installation, Aluminum Liquid Level Control<\/title>\n<meta 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