{"id":10802,"date":"2021-10-23T07:34:17","date_gmt":"2021-10-23T07:34:17","guid":{"rendered":"http:\/\/www.alalloycasting.com\/?p=10802"},"modified":"2021-10-22T07:36:53","modified_gmt":"2021-10-22T07:36:53","slug":"aluminium-degassing-box","status":"publish","type":"post","link":"https:\/\/www.alalloycasting.com\/pt\/aluminium-degassing-box\/","title":{"rendered":"Caixa de desgaseifica\u00e7\u00e3o de alum\u00ednio"},"content":{"rendered":"

A caixa de desgaseifica\u00e7\u00e3o de alum\u00ednio \u00e9 um sistema automatizado e ecologicamente correto de tratamento de metal fundido, que realiza a desgaseifica\u00e7\u00e3o e a remo\u00e7\u00e3o de esc\u00f3ria de ligas de alum\u00ednio de maneira ecologicamente correta.<\/p>\n

A caixa de desgaseifica\u00e7\u00e3o de alum\u00ednio adota um projeto selado de canal duplo, o que impede que o oxig\u00eanio do ar externo entre na caixa de desgaseifica\u00e7\u00e3o, entre em contato com o alum\u00ednio l\u00edquido e cause a forma\u00e7\u00e3o de esc\u00f3ria por oxida\u00e7\u00e3o e a permea\u00e7\u00e3o secund\u00e1ria de hidrog\u00eanio, o que melhora significativamente a efici\u00eancia da desgaseifica\u00e7\u00e3o. Durante esse processo, a c\u00e2mara de aquecimento mant\u00e9m o alum\u00ednio fundido fluindo atrav\u00e9s da caixa de desgaseifica\u00e7\u00e3o de alum\u00ednio para garantir o efeito de purifica\u00e7\u00e3o e desgaseifica\u00e7\u00e3o.<\/p>\n

No processo de fus\u00e3o e fundi\u00e7\u00e3o do alum\u00ednio, como o ar cont\u00e9m uma certa propor\u00e7\u00e3o de uma pequena quantidade de hidrog\u00eanio, \u00e9 f\u00e1cil que este penetre no alum\u00ednio fundido ap\u00f3s a fus\u00e3o em alta temperatura. Se o alum\u00ednio fundido n\u00e3o passar por nenhum tratamento de purifica\u00e7\u00e3o e desgaseifica\u00e7\u00e3o, os produtos de liga de alum\u00ednio processados costumam apresentar bolhas e inclus\u00f5es de esc\u00f3ria, resultando em uma baixa taxa de aprova\u00e7\u00e3o quanto \u00e0 qualidade est\u00e9tica e \u00e0 resist\u00eancia mec\u00e2nica.<\/p>\n

O equipamento de desgaseifica\u00e7\u00e3o de alum\u00ednio fundido do tipo caixa utiliza m\u00e9todos de desgaseifica\u00e7\u00e3o com nitrog\u00eanio ou g\u00e1s inerte. AdTech equipamento de desgaseifica\u00e7\u00e3o online<\/a> possui um corpo de forno de vida \u00fatil ultralonga, fabricado com uma nova tecnologia de produ\u00e7\u00e3o de materiais fundidos com alto teor de sil\u00edcio. O rotor de desgaseifica\u00e7\u00e3o, a manga de prote\u00e7\u00e3o do aquecedor e a manga de prote\u00e7\u00e3o do termopar s\u00e3o fabricados em nitreto de sil\u00edcio (Si\u2083N\u2084), utilizando tecnologia de fabrica\u00e7\u00e3o de cer\u00e2mica e tecnologia de produ\u00e7\u00e3o de produtos de alum\u00ednio com alto valor agregado e elevados requisitos de desempenho t\u00e9cnico.<\/p>\n

Cada c\u00e2mara de desgaseifica\u00e7\u00e3o utiliza um mecanismo de rotor para a desgaseifica\u00e7\u00e3o. Enquanto o mecanismo de rotor gira em alta velocidade, o g\u00e1s inerte fornecido pelo dispositivo de alimenta\u00e7\u00e3o de g\u00e1s de trabalho \u00e9 introduzido por meio do mecanismo de rotor, e ocorrem convec\u00e7\u00e3o e a forma\u00e7\u00e3o de pequenas bolhas na c\u00e2mara de desgaseifica\u00e7\u00e3o. As pequenas bolhas se difundem completamente e, no processo de agita\u00e7\u00e3o constante, o hidrog\u00eanio e as impurezas que penetraram no alum\u00ednio l\u00edquido s\u00e3o levados para fora da superf\u00edcie do alum\u00ednio l\u00edquido.<\/p>","protected":false},"excerpt":{"rendered":"

The aluminium degassing box is an environmentally friendly automated molten metal treatment system, which performs environmentally friendly degassing and slag removal of aluminum alloys. 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