{"id":310,"date":"2020-04-01T04:03:17","date_gmt":"2020-04-01T04:03:17","guid":{"rendered":"http:\/\/alalloycasting.com\/?page_id=310"},"modified":"2024-11-12T09:16:27","modified_gmt":"2024-11-12T09:16:27","slug":"degassing-unit","status":"publish","type":"page","link":"https:\/\/www.alalloycasting.com\/pt\/degassing-unit\/","title":{"rendered":"Unidade de desgaseifica\u00e7\u00e3o"},"content":{"rendered":"<h1>Unidade de desgaseifica\u00e7\u00e3o<\/h1>\n<p>T<strong>o alum\u00ednio <a href=\"https:\/\/www.alalloycasting.com\/pt\/degassing-unit\/\">unidade de desgaseifica\u00e7\u00e3o<\/a> adota uma nova tecnologia de fabrica\u00e7\u00e3o de materiais de fus\u00e3o com alto teor de sil\u00edcio. Os principais componentes incluem um acionamento mec\u00e2nico, tampa da caixa, rotor e aquecedor. O equipamento de desgaseifica\u00e7\u00e3o da AdTech \u00e9 capaz de atender \u00e0 produ\u00e7\u00e3o de produtos de alum\u00ednio com elevados requisitos de desempenho t\u00e9cnico. <a href=\"http:\/\/www.adtechamm.com\/degassing-in-aluminium-casting\/\">Desgaseifica\u00e7\u00e3o do alum\u00ednio<\/a> A m\u00e1quina fica entre o forno e a m\u00e1quina de fundi\u00e7\u00e3o, e sua principal fun\u00e7\u00e3o \u00e9 remover o hidrog\u00eanio e outros res\u00edduos. Caso contr\u00e1rio, esses gases afetar\u00e3o a qualidade e as propriedades mec\u00e2nicas do alum\u00ednio e de suas ligas.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_44948\" aria-describedby=\"caption-attachment-44948\" style=\"width: 500px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44948\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20230926_163046-scaled.jpg\" alt=\"unidade de desgaseifica\u00e7\u00e3o\" width=\"500\" height=\"375\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20230926_163046-scaled.jpg 2560w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20230926_163046-300x225.jpg 300w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20230926_163046-1365x1024.jpg 1365w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20230926_163046-768x576.jpg 768w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20230926_163046-1536x1152.jpg 1536w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20230926_163046-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><figcaption id=\"caption-attachment-44948\" class=\"wp-caption-text\">unidade de desgaseifica\u00e7\u00e3o de alum\u00ednio<\/figcaption><\/figure>\n<div class=\"su-button-center\"><a href=\"https:\/\/www.alalloycasting.com\/pt\/\" class=\"su-button su-button-style-3d popmake-contact-us\" style=\"color:#FFFFFF;background-color:#6097d3;border-color:#4d79a9;border-radius:56px;-moz-border-radius:56px;-webkit-border-radius:56px\" target=\"_self\"><span style=\"color:#FFFFFF;padding:0px 26px;font-size:20px;line-height:40px;border-color:#90b7e1;border-radius:56px;-moz-border-radius:56px;-webkit-border-radius:56px;text-shadow:none;-moz-text-shadow:none;-webkit-text-shadow:none\"> Solicite um or\u00e7amento<\/span><\/a><\/div>\n<h2>Par\u00e2metros da unidade de desgaseifica\u00e7\u00e3o online<\/h2>\n<table class=\"tb\">\n<tbody>\n<tr>\n<th width=\"159\"><strong>Vaz\u00e3o m\u00e1xima de desgaseifica\u00e7\u00e3o<\/strong><br \/>\n<strong>MT\/H<\/strong><\/th>\n<th width=\"173\"><strong>15 MT\/H<\/strong><\/th>\n<th width=\"173\"><strong>35 MT\/H<\/strong><\/th>\n<th width=\"173\"><strong>65 MT\/H<\/strong><\/th>\n<\/tr>\n<tr>\n<td width=\"159\"><strong>Caixa de desgaseifica\u00e7\u00e3o padr\u00e3o<\/strong><\/td>\n<td width=\"173\"><strong>1 quarto, 1 rotor  (1B1R)<\/strong><\/td>\n<td width=\"173\"><strong>2 quartos, 2 rotores (2B2R)<\/strong><\/td>\n<td width=\"173\"><strong>3 quartos, 3 rotores (3B3R)<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"159\"><strong>Estrutura da caixa de desgaseifica\u00e7\u00e3o<\/strong><\/td>\n<td width=\"173\"><strong>1 sa\u00edda de drenagem e 1 sa\u00edda de remo\u00e7\u00e3o de esc\u00f3ria<\/strong><\/td>\n<td width=\"173\"><strong>2 sa\u00eddas de drenagem e 1 sa\u00edda de remo\u00e7\u00e3o de esc\u00f3ria<\/strong><\/td>\n<td width=\"173\"><strong>3 sa\u00eddas de drenagem, 1 sa\u00edda de remo\u00e7\u00e3o de esc\u00f3ria<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"159\"><strong>Sistema de eleva\u00e7\u00e3o<\/strong><\/td>\n<td width=\"173\"><strong>Tipo de i\u00e7amento<\/strong><\/td>\n<td width=\"173\"><strong>Eleva\u00e7\u00e3o mec\u00e2nica do rotor<\/strong><\/td>\n<td width=\"173\"><strong>sistema de eleva\u00e7\u00e3o hidr\u00e1ulica<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Caracter\u00edsticas da m\u00e1quina de desgaseifica\u00e7\u00e3o rotativa<\/h2>\n<ol>\n<li><strong>Bom efeito de desgaseifica\u00e7\u00e3o: a efici\u00eancia m\u00e9dia de desgaseifica\u00e7\u00e3o \u00e9 de 60%.<\/strong><\/li>\n<li><strong>O revestimento interno \u00e9 feito de material fundido com alto teor de sil\u00edcio. Possui longa vida \u00fatil. O efeito antiaderente do alum\u00ednio \u00e9 bom, sem polui\u00e7\u00e3o causada pelo alum\u00ednio fundido. O defletor do revestimento interno impede que o ar e os \u00f3xidos entrem no alum\u00ednio l\u00edquido.<\/strong><\/li>\n<li><strong>O rotor \u00e9 feito de nitreto de sil\u00edcio. Ele apresenta grandes vantagens em termos de resist\u00eancia \u00e0 corros\u00e3o, resist\u00eancia ao choque t\u00e9rmico, resist\u00eancia \u00e0 oxida\u00e7\u00e3o, resist\u00eancia ao desgaste, resist\u00eancia mec\u00e2nica e outros aspectos. O rotor consegue distribuir a bolha por todos os cantos da cavidade interna da melhor maneira poss\u00edvel.<\/strong><\/li>\n<li><strong>A manga protetora do aquecedor de imers\u00e3o \u00e9 feita de nitreto de sil\u00edcio. A efici\u00eancia de aquecimento \u00e9 alta. Ela reduz a oxida\u00e7\u00e3o do alum\u00ednio e n\u00e3o causa polui\u00e7\u00e3o ao alum\u00ednio fundido.<\/strong><\/li>\n<li><strong>O dispositivo de desgaseifica\u00e7\u00e3o pode utilizar, opcionalmente, uma mistura de arg\u00f4nio, nitrog\u00eanio e cloro. Existem medidas de prote\u00e7\u00e3o para o uso desses gases.<\/strong><\/li>\n<li><strong>O projeto padr\u00e3o da estrutura da veda\u00e7\u00e3o pode impedir de forma eficaz a oxida\u00e7\u00e3o secund\u00e1ria das esc\u00f3rias e melhorar o efeito de desgaseifica\u00e7\u00e3o.<\/strong><\/li>\n<\/ol>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7039\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2020\/12\/3-Rotors-Degassing-Machine.jpg\" alt=\"M\u00e1quina de desgaseifica\u00e7\u00e3o com 3 rotores\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/12\/3-Rotors-Degassing-Machine.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2020\/12\/3-Rotors-Degassing-Machine-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<h2>Princ\u00edpio de funcionamento<\/h2>\n<p><strong>Coloque um <a href=\"https:\/\/www.alalloycasting.com\/pt\/molten-aluminum-purifying-units\/\">m\u00e1quina de desgaseifica\u00e7\u00e3o de alum\u00ednio fundido<\/a> entre o forno de reten\u00e7\u00e3o e a m\u00e1quina de fundi\u00e7\u00e3o. O nitrog\u00eanio \u00e9 injetado na liga de alum\u00ednio fundida, e o g\u00e1s \u00e9 fragmentado pelo rotor girat\u00f3rio de grafite no tanque de desgaseifica\u00e7\u00e3o. Em seguida, forma-se um grande n\u00famero de bolhas dispersas, de modo que a liga de alum\u00ednio l\u00edquida fica em contato total com o nitrog\u00eanio no tanque de tratamento. De acordo com a diferen\u00e7a de press\u00e3o do ar e o princ\u00edpio da adsor\u00e7\u00e3o superficial, as bolhas absorvem hidrog\u00eanio e esc\u00f3ria oxidada. Em seguida, as bolhas sobem \u00e0 superf\u00edcie do material fundido, formando uma esc\u00f3ria. Depois, a liga de alum\u00ednio fundida flui da sa\u00edda da unidade de desgaseifica\u00e7\u00e3o para a m\u00e1quina de fundi\u00e7\u00e3o. A liga de alum\u00ednio l\u00edquida entra continuamente no dispositivo de desgaseifica\u00e7\u00e3o, e o nitrog\u00eanio \u00e9 injetado continuamente. Com esse processo de purifica\u00e7\u00e3o, a m\u00e1quina de desgaseifica\u00e7\u00e3o consegue atingir o objetivo de purificar a liga de alum\u00ednio.<\/strong><\/p>\n<p>&nbsp;<\/p>\n<figure id=\"attachment_44945\" aria-describedby=\"caption-attachment-44945\" style=\"width: 499px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-44945\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20231228_085403-scaled.jpg\" alt=\"Rotor de grafite\" width=\"499\" height=\"374\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20231228_085403-scaled.jpg 2560w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20231228_085403-300x225.jpg 300w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20231228_085403-1365x1024.jpg 1365w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20231228_085403-768x576.jpg 768w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20231228_085403-1536x1152.jpg 1536w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2024\/11\/IMG_20231228_085403-2048x1536.jpg 2048w\" sizes=\"auto, (max-width: 499px) 100vw, 499px\" \/><figcaption id=\"caption-attachment-44945\" class=\"wp-caption-text\">Rotor de grafite<\/figcaption><\/figure>\n<h2>Estrutura do dispositivo de desgaseifica\u00e7\u00e3o<\/h2>\n<h3>A unidade de desgaseifica\u00e7\u00e3o online inclui uma caixa de processamento, um sistema de eleva\u00e7\u00e3o, um sistema de aquecimento, um rotor de grafite e um sistema de controle.<\/h3>\n<h4>1. Caixa de processamento<\/h4>\n<p><strong>A caixa de processamento inclui a c\u00e2mara de descontamina\u00e7\u00e3o e a c\u00e2mara de aquecimento e isolamento. A parte central \u00e9 separada por uma divis\u00f3ria de material SiC, e os fundos das duas c\u00e2maras est\u00e3o conectados. Ap\u00f3s a desgaseifica\u00e7\u00e3o e a forma\u00e7\u00e3o de esc\u00f3ria na sala limpa, a liga de alum\u00ednio fundida flui para a c\u00e2mara de preserva\u00e7\u00e3o de calor por baixo da divis\u00f3ria. A c\u00e2mara de preserva\u00e7\u00e3o de calor utiliza um tubo protetor de carboneto de sil\u00edcio com camisa de reten\u00e7\u00e3o em forma de U, que \u00e9 imerso na liga de alum\u00ednio l\u00edquida para aquecimento. O revestimento externo do corpo da caixa \u00e9 feito de chapa de a\u00e7o, e o revestimento interno utiliza material refrat\u00e1rio. Na parte superior da parede lateral h\u00e1 uma abertura para observa\u00e7\u00e3o e inspe\u00e7\u00e3o de esc\u00f3ria, e na parte inferior h\u00e1 uma abertura para esc\u00f3ria.<\/strong><\/p>\n<h4>2. Sistema de eleva\u00e7\u00e3o<\/h4>\n<p><strong>Utilize dois cilindros hidr\u00e1ulicos como dispositivo de eleva\u00e7\u00e3o, capazes de controlar o movimento do rotor de grafite e do aquecedor em forma de U de barra de carbono-sil\u00edcio. Eles podem girar 90\u00b0 na horizontal; o sistema hidr\u00e1ulico \u00e9 relativamente est\u00e1vel e o posicionamento \u00e9 preciso.<\/strong><\/p>\n<h4>3. Sistema de aquecimento<\/h4>\n<p><strong>O sistema de aquecimento utiliza um aquecedor de imers\u00e3o e um tubo de prote\u00e7\u00e3o de nitreto de sil\u00edcio. H\u00e1 um termopar para medi\u00e7\u00e3o de temperatura dentro do tubo, o que permite o controle autom\u00e1tico da temperatura. O sistema de controle de temperatura utiliza uma unidade integrada de pot\u00eancia mais avan\u00e7ada.<\/strong><\/p>\n<h4>4. Rotor de grafite<\/h4>\n<p><strong>O bocal rotativo com rotor de grafite \u00e9 fabricado com grafite de alta pureza. O conversor de frequ\u00eancia permite controlar a velocidade do rotor de grafite. O rotor de grafite de alta pureza, resistente \u00e0 oxida\u00e7\u00e3o, apresenta caracter\u00edsticas de alta resist\u00eancia, resist\u00eancia a altas temperaturas e resist\u00eancia \u00e0 corros\u00e3o.<\/strong><\/p>\n<h4>5. Sistema de controle<\/h4>\n<p><strong>O sistema de controle \u00e9 composto por duas partes: um painel de controle de g\u00e1s e um painel de controle el\u00e9trico. O controle de g\u00e1s inclui o controle de nitrog\u00eanio e de ar comprimido, equipado com controle manual\/autom\u00e1tico. A parte de controle eletr\u00f4nico inclui, principalmente, o controle da transmiss\u00e3o e o controle de temperatura.<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-7765\" src=\"http:\/\/alalloycasting.com\/wp-content\/uploads\/2021\/01\/Box-type-Degassing-Equipment-1.jpg\" alt=\"Equipamento de desgaseifica\u00e7\u00e3o do tipo caixa\" width=\"500\" height=\"400\" srcset=\"https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/01\/Box-type-Degassing-Equipment-1.jpg 500w, https:\/\/www.alalloycasting.com\/wp-content\/uploads\/2021\/01\/Box-type-Degassing-Equipment-1-300x240.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<h2>Processo de desgaseifica\u00e7\u00e3o<\/h2>\n<p><strong>Antes que o alum\u00ednio fundido entre no <a href=\"https:\/\/www.alalloycasting.com\/pt\/degassing-unit\/\">equipamento de desgaseifica\u00e7\u00e3o<\/a>, o trabalhador deve desligar o elemento de aquecimento. Quando a temperatura do aquecedor estiver pr\u00f3xima da do alum\u00ednio fundido, injetar o g\u00e1s inerte no rotor e, em seguida, despejar o alum\u00ednio fundido na caixa de desgaseifica\u00e7\u00e3o.<\/strong><\/p>\n<h2>Nota<\/h2>\n<ul>\n<li><strong>Verifique o material de veda\u00e7\u00e3o na conex\u00e3o entre a entrada, a sa\u00edda e a c\u00e9lula de fluxo.<\/strong><\/li>\n<li><strong>Verifique se a temperatura do alum\u00ednio fundido est\u00e1 alta o suficiente. Interrompa o processo de enchimento quando o n\u00edvel estiver a aproximadamente 3 cm do fundo do tanque.<\/strong><\/li>\n<li><strong>O operador deve usar um colete de prote\u00e7\u00e3o adequado. Quando o metal fluir para dentro da caixa, ele produzir\u00e1 esc\u00f3ria. Os trabalhadores podem limpar a esc\u00f3ria da superf\u00edcie do metal na boca da esc\u00f3ria.<\/strong><\/li>\n<li><strong>Durante a fase de conserva\u00e7\u00e3o do calor, o alum\u00ednio l\u00edquido permanece na c\u00e2mara a uma temperatura definida.<\/strong><\/li>\n<li><strong>Injete uma pequena quantidade de g\u00e1s inerte no rotor, para impedir que o alum\u00ednio l\u00edquido entre no rotor e bloqueie a sa\u00edda de ar.<\/strong><\/li>\n<li><strong>Ligue o aquecedor imediatamente ap\u00f3s o t\u00e9rmino do enchimento com o metal fundido.<\/strong><\/li>\n<li><iframe loading=\"lazy\" title=\"Reprodutor de v\u00eddeos do YouTube\" src=\"https:\/\/www.youtube.com\/embed\/rDHnjYvD7b0?si=5J-gFI-nD2PDmIkU\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\" data-mce-fragment=\"1\"><\/iframe><\/li>\n<\/ul>\n\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f265-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"265\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/pt\/wp-json\/wp\/v2\/pages\/310#wpcf7-f265-o1\" method=\"post\" class=\"wpcf7-form init cf7skins cf7t-fieldset-basic cf7s-vanilla\" aria-label=\"Formul\u00e1rio de contato\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/pt\/wp-json\/wp\/v2\/pages\/310#wpcf7-f265-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"265\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f265-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<fieldset>\n\t<legend>Fique \u00e0 vontade para enviar sua consulta pelo formul\u00e1rio abaixo. 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The main components include a mechanical drive, box lid, rotor, and&hellip;<\/p>","protected":false},"author":1,"featured_media":44946,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-310","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Degassing Unit,Rotary Degasser,Degassing System<\/title>\n<meta name=\"description\" content=\"Degassing unit adopts new high-silicon melt manufacturing technology. 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