{"id":6287,"date":"2020-11-06T07:42:10","date_gmt":"2020-11-06T07:42:10","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=6287"},"modified":"2021-03-22T03:48:02","modified_gmt":"2021-03-22T03:48:02","slug":"molten-aluminium-baffle","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/molten-aluminium-baffle\/","title":{"rendered":"Defletor de alum\u00ednio fundido"},"content":{"rendered":"

No processo de fundi\u00e7\u00e3o de barras de alum\u00ednio, o alum\u00ednio l\u00edquido no forno de mistura precisa passar por processos de desoxida\u00e7\u00e3o e outros, geralmente por meio da adi\u00e7\u00e3o de \u00f3xido de c\u00e1lcio, etc., e, em seguida, o alum\u00ednio l\u00edquido \u00e9 vertido no sistema de fundi\u00e7\u00e3o de po\u00e7o profundo por meio da calha para a fundi\u00e7\u00e3o das barras de alum\u00ednio. Embora o alum\u00ednio fundido seja desescumado antes de sair do forno de mistura, \u00e9 dif\u00edcil limp\u00e1-lo completamente; por isso, \u00e9 inevit\u00e1vel que ele contenha impurezas, como \u00f3xido de c\u00e1lcio. E quando o alum\u00ednio fundido flui no canal de fundi\u00e7\u00e3o<\/a>, o alum\u00ednio l\u00edquido em contato com o ar em uma grande \u00e1rea sofre oxida\u00e7\u00e3o, transformando-se em alumina. Seja o \u00f3xido de c\u00e1lcio ou a alumina que esteja presente na fundi\u00e7\u00e3o de barras de alum\u00ednio, isso afetar\u00e1 gravemente a qualidade das barras fundidas. Essas impurezas devem ser removidas. A AdTech fornece um defletor para alum\u00ednio fundido para resolver o problema da limpeza demorada e trabalhosa de impurezas, como a alumina e o \u00f3xido de c\u00e1lcio, presente na t\u00e9cnica anterior.<\/p>\n

O tanque de fluxo de alum\u00ednio l\u00edquido inclui um tanque de sedimenta\u00e7\u00e3o. Os dois lados opostos do tanque de sedimenta\u00e7\u00e3o est\u00e3o conectados, respectivamente, a canais de fluxo pelos quais o alum\u00ednio l\u00edquido passa. O fundo do tanque de sedimenta\u00e7\u00e3o fica abaixo do fundo do canal de fluxo. A parte central do tanque de sedimenta\u00e7\u00e3o \u00e9 dotada de um defletor vertical voltado para baixo. O fundo fica acima do fundo do tanque de sedimenta\u00e7\u00e3o e abaixo do fundo do canal de escoamento.<\/p>\n

\"Defletor<\/p>\n

O alum\u00ednio l\u00edquido que sai do forno de mistura entra no tanque de sedimenta\u00e7\u00e3o pelo canal de fluxo localizado na lateral do tanque. Como o centro do tanque de sedimenta\u00e7\u00e3o est\u00e1 equipado com um defletor, a parte inferior do defletor fica mais alta que o fundo do tanque de sedimenta\u00e7\u00e3o e mais baixa que o fundo do canal de fluxo; assim, o alum\u00ednio l\u00edquido flui para baixo, passando pela abertura sob o defletor, e depois sai pelo canal de fluxo do outro lado do tanque de sedimenta\u00e7\u00e3o. Dessa forma, o alum\u00ednio fundido forma uma trajet\u00f3ria de fluxo em forma de \u201cU\u201d no tanque de sedimenta\u00e7\u00e3o, o que aumenta o tempo de perman\u00eancia no tanque de sedimenta\u00e7\u00e3o do alum\u00ednio fundido e permite que o \u00f3xido de c\u00e1lcio e outras impurezas misturadas ao alum\u00ednio fundido tenham tempo suficiente para se depositar, pois a densidade das impurezas \u00e9 menor do que a do alum\u00ednio fundido, de modo que as impurezas flutuem gradualmente at\u00e9 a superf\u00edcie do alum\u00ednio fundido.<\/p>\n

A alumina formada pelo contato entre o alum\u00ednio fundido e o oxig\u00eanio tamb\u00e9m flutua na superf\u00edcie do alum\u00ednio fundido e, em seguida, devido \u00e0 presen\u00e7a do defletor de alum\u00ednio fundido, esses dois tipos de impurezas s\u00e3o retidos na lateral do tanque de sedimenta\u00e7\u00e3o e n\u00e3o entram na fundi\u00e7\u00e3o subsequente, garantindo a qualidade da barra de alum\u00ednio. Al\u00e9m disso, essas impurezas podem afundar at\u00e9 o fundo da piscina ap\u00f3s a conclus\u00e3o do processo de fundi\u00e7\u00e3o do alum\u00ednio e serem removidas de maneira uniforme, o que \u00e9 muito mais pr\u00e1tico do que a fundi\u00e7\u00e3o e a remo\u00e7\u00e3o tradicionais de impurezas, reduzindo significativamente a m\u00e3o de obra necess\u00e1ria.<\/p>","protected":false},"excerpt":{"rendered":"

In the casting process of aluminum rods, the aluminum liquid in the mixing furnace needs to undergo deoxidation and other processes, usually by adding calcium…<\/p>","protected":false},"author":1,"featured_media":6293,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6378,138],"tags":[],"class_list":["post-6287","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-launder-dam","category-seo"],"yoast_head":"\nMolten Aluminium Baffle in Molten Metal Launder System<\/title>\n<meta name=\"description\" content=\"AdTech provides molten aluminium baffle to solve the problem of time-consuming and laborious cleaning of impurities, such as calcium oxide.\" \/>\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\/molten-aluminium-baffle\/\" 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