{"id":12276,"date":"2022-01-14T01:55:28","date_gmt":"2022-01-14T01:55:28","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=12276"},"modified":"2022-01-14T01:55:28","modified_gmt":"2022-01-14T01:55:28","slug":"metal-degassing-process","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/metal-degassing-process\/","title":{"rendered":"Processo de desgaseifica\u00e7\u00e3o de metais"},"content":{"rendered":"<p>O processo de desgaseifica\u00e7\u00e3o do metal e o processo de remo\u00e7\u00e3o de esc\u00f3ria s\u00e3o importantes processos de tratamento do metal fundido, destinados \u00e0 limpeza do metal fundido e \u00e0 melhoria da qualidade do produto.<\/p>\n<p>O processo de desgaseifica\u00e7\u00e3o de metais, amplamente conhecido, consiste em injetar fluxo no metal fundido juntamente com um g\u00e1s inerte, como nitrog\u00eanio ou arg\u00f4nio. O hidrog\u00eanio \u00e9 removido da massa fundida por dessor\u00e7\u00e3o para dentro das bolhas, enquanto outras impurezas n\u00e3o met\u00e1licas s\u00e3o levadas para a camada de esc\u00f3ria por flota\u00e7\u00e3o. A dispers\u00e3o do jato de g\u00e1s \u00e9 feita por meio de um rotor girat\u00f3rio, que cria muita turbul\u00eancia no metal fundido. O fluxo turbulento faz com que pequenas part\u00edculas n\u00e3o met\u00e1licas se agreguem em grandes agregados de part\u00edculas, que s\u00e3o levados \u00e0 superf\u00edcie do metal fundido pelas bolhas de g\u00e1s. Essa turbul\u00eancia no metal tamb\u00e9m garante que o jato de g\u00e1s se misture bem com o metal fundido e mantenha o interior do recipiente livre de dep\u00f3sitos e ac\u00famulo de \u00f3xido.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-12277\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2022\/01\/Metal-Degassing-Process.jpg\" alt=\"Processo de desgaseifica\u00e7\u00e3o de metais\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2022\/01\/Metal-Degassing-Process.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2022\/01\/Metal-Degassing-Process-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>As sucatas recuperadas s\u00e3o fundidas em metal fundido por meio de um processo de fundi\u00e7\u00e3o; o metal fundido \u00e9 refinado por meio de um processo de refino; a esc\u00f3ria \u00e9 removida do metal fundido refinado por meio de um processo de retirada de esc\u00f3ria; e o metal fundido refinado \u00e9 moldado para produzir ligas secund\u00e1rias ou ligas fundidas.<\/p>\n<p>O material colocado no forno, a sucata, \u00e9 aquecido e fundido para produzir metal fundido. Subst\u00e2ncias org\u00e2nicas aderidas ao material e \u00f3xidos produzidos durante o processo de fus\u00e3o formam diversas inclus\u00f5es no metal fundido. As inclus\u00f5es e os metais s\u00e3o misturados \u00e0 esc\u00f3ria e flutuam sob a a\u00e7\u00e3o do processo de refina\u00e7\u00e3o. A esc\u00f3ria \u00e9 uma das principais causas de defeitos no produto e deve ser removida. No entanto, devido ao alto teor de metal na esc\u00f3ria, ocorre perda de metal se a esc\u00f3ria que cont\u00e9m metal for removida. Portanto, o metal contido na esc\u00f3ria deve ser devolvido ao metal fundido tanto quanto poss\u00edvel, e apenas as inclus\u00f5es devem ser efetivamente removidas pelo processo de remo\u00e7\u00e3o de esc\u00f3ria.<\/p>\n<p>Um t\u00edpico <a href=\"http:\/\/www.alalloycasting.com\/pt\/flux-slag-removal\/\">remo\u00e7\u00e3o de esc\u00f3ria<\/a> O processo injeta fundente na superf\u00edcie do metal fundido, misturando assim o fundente e a esc\u00f3ria. O fundente reage com as part\u00edculas finas de alum\u00ednio presentes na esc\u00f3ria. Essa rea\u00e7\u00e3o gera calor, o que aquece a esc\u00f3ria para aumentar a fluidez do metal nela contido, fazendo com que o metal retorne ao metal fundido.<\/p>","protected":false},"excerpt":{"rendered":"<p>Metal degassing process and slag removal process are important molten metal processing processes for cleaning molten metal and improving product quality. The commonly known metal&hellip;<\/p>","protected":false},"author":1,"featured_media":12277,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[233],"tags":[13162,13163],"class_list":["post-12276","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-metal-degassing-process","tag-molten-metal-refining-process"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Metal Degassing Process, Molten Metal Refining Process<\/title>\n<meta name=\"description\" content=\"Metal degassing process and slag removal process are important molten metal processing processes for cleaning molten metal.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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