{"id":11942,"date":"2021-12-22T06:11:12","date_gmt":"2021-12-22T06:11:12","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=11942"},"modified":"2021-12-22T06:16:16","modified_gmt":"2021-12-22T06:16:16","slug":"foundry-launder","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/foundry-launder\/","title":{"rendered":"Canal de fundi\u00e7\u00e3o"},"content":{"rendered":"<p><strong>O canal de fundi\u00e7\u00e3o \u00e9 um equipamento importante para o transporte de metal fundido.<\/strong> A parte inferior \u00e9 composta por um inv\u00f3lucro met\u00e1lico com revestimento refrat\u00e1rio, e a parte de cobertura serve para manter o metal no estado fundido. O canal pelo qual o metal fundido flui da primeira extremidade at\u00e9 a segunda, sob a a\u00e7\u00e3o da gravidade.<\/p>\n<p><strong>O alum\u00ednio \u00e9 conduzido e dosado a partir do forno por meio de <a href=\"http:\/\/www.alalloycasting.com\/pt\/troughs-and-launders\/\">lavat\u00f3rios e bacias<\/a> para a m\u00e1quina de fundi\u00e7\u00e3o. As calhas com mangas de a\u00e7o s\u00e3o revestidas com materiais refrat\u00e1rios.<\/strong> S\u00e3o calhas abertas ou calhas com tampa. A calha \u00e9 instalada com uma inclina\u00e7\u00e3o adequada para influenciar o fluxo do material fundido por gravidade.<\/p>\n<p>Para transferir e dosar o metal fundido, este \u00e9 vertido do forno para a calha de estabiliza\u00e7\u00e3o, que tem a fun\u00e7\u00e3o de estabilizar o movimento do metal fundido em seu interior. Al\u00e9m disso, tamb\u00e9m s\u00e3o necess\u00e1rios um canal intermedi\u00e1rio e uma calha de dosagem. Quando a capacidade do equipamento de fundi\u00e7\u00e3o \u00e9 aumentada, o canal de metal fundido precisa ser mais longo, o que torna o resfriamento e a solidifica\u00e7\u00e3o do alum\u00ednio no canal um problema ainda maior. Quando o alum\u00ednio se solidifica na calha, o fluxo do metal fundido \u00e9 impedido. Para evitar a solidifica\u00e7\u00e3o, o alum\u00ednio fundido \u00e9 aquecido a uma temperatura suficientemente alta no reator de fus\u00e3o, de modo que a temperatura do metal fundido mantenha o metal em movimento, e a calha \u00e9 aquecida at\u00e9 a m\u00e1quina de fundi\u00e7\u00e3o.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11944\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/12\/Foundry-Launder-2.jpg\" alt=\"Canal de fundi\u00e7\u00e3o\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/12\/Foundry-Launder-2.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/12\/Foundry-Launder-2-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>O revestimento dos canais de fundi\u00e7\u00e3o \u00e9 feito de materiais refrat\u00e1rios, e seu desgaste \u00e9 proporcional \u00e0 temperatura do metal transportado. Quanto mais alta a temperatura da massa fundida, mais r\u00e1pido o revestimento do canal se desgasta. Naturalmente, isso acarreta custos adicionais de manuten\u00e7\u00e3o.<\/p>\n<p>Ao final da fundi\u00e7\u00e3o, o canal de distribui\u00e7\u00e3o e a calha s\u00e3o resfriados rapidamente, solidificando assim o metal fundido contido neles. Da mesma forma, em caso de qualquer perturba\u00e7\u00e3o no processo, o fluxo de metal fundido na calha e no canal de vazamento pode ser interrompido ou reduzido a ponto de o metal se solidificar, e todo o sistema de canal de vazamento deve ser reparado antes de continuar a fundi\u00e7\u00e3o ou iniciar uma nova fundi\u00e7\u00e3o.<\/p>\n<div class=\"su-youtube su-u-responsive-media-yes\"><iframe loading=\"lazy\" width=\"600\" height=\"400\" src=\"https:\/\/www.youtube.com\/embed\/33k_XkqRags?\" frameborder=\"0\" allowfullscreen allow=\"autoplay; encrypted-media; picture-in-picture\" title=\"\"><\/iframe><\/div>","protected":false},"excerpt":{"rendered":"<p>Foundry launder is an important equipment for conveying molten metal. The lower part includes a metal shell with a refractory lining, and the covering part&hellip;<\/p>","protected":false},"author":1,"featured_media":11943,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[228],"tags":[13073,13074],"class_list":["post-11942","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-casting-launder","tag-foundry-launder","tag-refractory-molten-aluminum-transfer-trough"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Foundry Launder, Refractory Molten Aluminum Transfer Trough<\/title>\n<meta name=\"description\" content=\"Foundry launder is an important equipment for conveying molten metal. The lower part includes a metal shell with a refractory lining.\" \/>\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.alalloycasting.com\/pt\/foundry-launder\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Foundry Launder, Refractory Molten Aluminum Transfer Trough\" \/>\n<meta property=\"og:description\" content=\"Foundry launder is an important equipment for conveying molten metal. 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