{"id":14216,"date":"2025-04-09T06:10:15","date_gmt":"2025-04-09T06:10:15","guid":{"rendered":"https:\/\/www.ball-mill-classifiers.com\/?p=14216"},"modified":"2025-04-09T06:10:19","modified_gmt":"2025-04-09T06:10:19","slug":"steel-slag-grinding-pioneering-new-grinding-solutions-for-green-building-materials","status":"publish","type":"post","link":"https:\/\/www.ball-mill-classifiers.com\/pt\/steel-slag-grinding-pioneering-new-grinding-solutions-for-green-building-materials\/","title":{"rendered":"Moagem de esc\u00f3ria de a\u00e7o: solu\u00e7\u00f5es pioneiras em moagem para materiais de constru\u00e7\u00e3o sustent\u00e1veis"},"content":{"rendered":"<p>S<a href=\"https:\/\/www.ball-mill-classifiers.com\/pt\/\">esc\u00f3ria de a\u00e7o<\/a> \u00e9 um res\u00edduo industrial da fabrica\u00e7\u00e3o de a\u00e7o em conversores e fornos el\u00e9tricos a arco, composto principalmente de silicato de c\u00e1lcio e ferrita de c\u00e1lcio.<br>\u00c9 respons\u00e1vel por cerca de 141 TP3T da produ\u00e7\u00e3o de a\u00e7o bruto. As esc\u00f3rias de a\u00e7o cont\u00eam cerca de 501 TP3T de minerais como silicato tric\u00e1lcico (C3S) e silicato dic\u00e1lcico (C2S), que possuem propriedades hidr\u00e1ulicas. <br>Atualmente, a moagem fina de esc\u00f3rias de a\u00e7o como aditivos para cimento ou concreto \u00e9 uma forma importante de obter alto valor agregado. No entanto, devido \u00e0 ferrita de c\u00e1lcio, \u00e0s fases de RO e ao ferro met\u00e1lico, a esc\u00f3ria de a\u00e7o \u00e9 dif\u00edcil de moer. Ao moer at\u00e9 400 m\u00b2\/kg ou mais, os moinhos de bolas tradicionais aumentam significativamente o consumo de energia. Portanto, a China vem explorando tecnologias e equipamentos de moagem mais eficientes em termos de energia.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"700\" height=\"440\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/Steel-Slag.webp\" alt=\"Steel Slag\" class=\"wp-image-14217\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/Steel-Slag.webp 700w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/Steel-Slag-300x189.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/Steel-Slag-18x12.webp 18w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/Steel-Slag-600x377.webp 600w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Caracter\u00edsticas de moagem da esc\u00f3ria de a\u00e7o<\/h2>\n\n\n\n<p>A esc\u00f3ria de a\u00e7o se forma em altas temperaturas (acima de 1580 \u00b0C), onde absorve impurezas como Fe2O3 e MgO, formando grandes cristais. A an\u00e1lise petrogr\u00e1fica mostra que os principais componentes minerais na esc\u00f3ria de a\u00e7o s\u00e3o o silicato tric\u00e1lcico em forma de placa e o silicato dic\u00e1lcico esf\u00e9rico ou arredondado. Em seguida, v\u00eam as fases de ferrita de c\u00e1lcio e RO. O silicato tric\u00e1lcico pode atingir um tamanho m\u00e1ximo de 1998 \u03bcm, com part\u00edculas de MgO em suas inclus\u00f5es variando de 142 a 271 \u03bcm. O ferro met\u00e1lico em esc\u00f3rias de a\u00e7o aparece principalmente como inclus\u00f5es esf\u00e9ricas, com um tamanho t\u00edpico de 100\u2013300 \u03bcm e at\u00e9 3 mm no m\u00e1ximo. O silicato dic\u00e1lcico tamb\u00e9m pode atingir um tamanho de part\u00edcula de 943 \u03bcm.<\/p>\n\n\n\n<p>Por meio de estudos comparativos das fases refrat\u00e1rias e das propriedades de cimenta\u00e7\u00e3o da esc\u00f3ria de a\u00e7o, constatou-se que os componentes refrat\u00e1rios na esc\u00f3ria de a\u00e7o s\u00e3o aluminato de c\u00e1lcio e solu\u00e7\u00e3o s\u00f3lida de ferro e magn\u00e9sio. Essas fases apresentam baixa reatividade de hidrata\u00e7\u00e3o. Por outro lado, o silicato tric\u00e1lcico (C3S) e o silicato dic\u00e1lcico (C2S) na esc\u00f3ria de a\u00e7o apresentam melhor moabilidade, ligeiramente superior \u00e0 da esc\u00f3ria. No entanto, sua reatividade de hidrata\u00e7\u00e3o \u00e9 significativamente menor do que a da esc\u00f3ria. O C3S e o C2S na esc\u00f3ria de a\u00e7o dissolveram uma quantidade consider\u00e1vel de \u00edons estranhos.<\/p>\n\n\n\n<p>Portanto, para ativar as propriedades de cimenta\u00e7\u00e3o hidr\u00e1ulica do C3S e C2S na esc\u00f3ria de aciaria, a esc\u00f3ria deve ser finamente mo\u00edda at\u00e9 atingir uma alta finura. Isso causar\u00e1 distor\u00e7\u00e3o na estrutura mineral, reduzir\u00e1 a cristalinidade e diminuir\u00e1 a energia de liga\u00e7\u00e3o dos cristais minerais. Como resultado, a reatividade \u00e9 aumentada, permitindo uma maior taxa de incorpora\u00e7\u00e3o de esc\u00f3rias de aciaria em cimento e concreto.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tecnologia de moagem de esc\u00f3ria de a\u00e7o<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Processo de moagem com moinho de bolas como equipamento de moagem final<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/ball-mill.webp\" alt=\"ball mill\" class=\"wp-image-14218\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/ball-mill.webp 750w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/ball-mill-300x300.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/ball-mill-100x100.webp 100w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/ball-mill-12x12.webp 12w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/ball-mill-600x600.webp 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<p>O<a href=\"https:\/\/www.ball-mill-classifiers.com\/pt\/categoria-produto\/ball-mill-classifier\/\"> moinho de bolas<\/a> \u00e9 um dispositivo tradicional para moagem de materiais ap\u00f3s britagem mec\u00e2nica simples. Com os avan\u00e7os cont\u00ednuos na tecnologia de moinhos de bolas, ele agora \u00e9 capaz de moer subst\u00e2ncias duras, como esc\u00f3rias de a\u00e7o. Os moinhos de bolas oferecem grande adaptabilidade e uma ampla taxa de britagem. Eles permitem moagem e secagem simult\u00e2neas. A estrutura \u00e9 simples e a manuten\u00e7\u00e3o \u00e9 f\u00e1cil. Os moinhos de bolas possuem boa veda\u00e7\u00e3o, opera\u00e7\u00e3o est\u00e1vel e desempenho confi\u00e1vel. Essas caracter\u00edsticas os tornam amplamente populares, especialmente na moagem de cimento. Sua hist\u00f3ria \u00e9 quase t\u00e3o longa quanto a pr\u00f3pria ind\u00fastria cimenteira.<\/p>\n\n\n\n<p>O moinho de bolas permite o ajuste das especifica\u00e7\u00f5es do meio de moagem e dos materiais com base nas propriedades do material. Isso permite a moagem de esc\u00f3ria de a\u00e7o dura. No entanto, a moagem de p\u00f3 de esc\u00f3ria de a\u00e7o com uma \u00e1rea superficial espec\u00edfica de 400 m\u00b2\/kg consome cerca de 100 kW\u00b7h\/t. Apesar de suas vantagens, o moinho de bolas apresenta desvantagens significativas: possui uma configura\u00e7\u00e3o cara, desgaste severo, baixa efici\u00eancia e alto consumo de energia.<\/p>\n\n\n\n<p>Na produ\u00e7\u00e3o de cimento, o consumo de energia por tonelada de cimento \u00e9 de nada menos que 70 kW\u00b7h, sendo que apenas cerca de 51TP\u00b7T dessa energia s\u00e3o utilizados para aumentar a \u00e1rea superficial do material. A maior parte dessa energia \u00e9 convertida em calor e energia sonora, que s\u00e3o desperdi\u00e7ados. O alto consumo de energia e as perdas significativas na moagem limitam o desenvolvimento de moinhos de bolas na \u00e1rea de moagem de esc\u00f3ria sider\u00fargica.<\/p>\n\n\n\n<p>Por esse motivo, a ind\u00fastria de retifica\u00e7\u00e3o se concentra em melhorar a efici\u00eancia da retifica\u00e7\u00e3o. Visa reduzir o consumo de energia e minimizar o desgaste do a\u00e7o. Isso impulsiona a pesquisa e o desenvolvimento de novos equipamentos e tecnologias de retifica\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">O processo combinado de moagem de prensa de rolos e moinho de bolas<\/h2>\n\n\n\n<p>O processo combinado de moagem com prensa de rolos e moinho de bolas consome menos energia do que o uso apenas do moinho de bolas. O consumo de energia por tonelada de p\u00f3 de esc\u00f3ria de a\u00e7o com uma \u00e1rea superficial espec\u00edfica de 400 m\u00b2\/kg \u00e9 de cerca de 80 kW\u00b7h\/t.<br>Entretanto, o sistema ainda enfrenta alguns problemas que limitam a produ\u00e7\u00e3o cont\u00ednua, como ac\u00famulo de ferro met\u00e1lico, baixa efici\u00eancia de secagem, baixa efici\u00eancia de classifica\u00e7\u00e3o e controle de alimenta\u00e7\u00e3o da prensa de rolos.<br>No entanto, isso demonstra que a tecnologia de moagem combinada \u00e9 mais vantajosa do que a tecnologia de moagem de est\u00e1gio \u00fanico para moagem de esc\u00f3ria de a\u00e7o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclus\u00e3o<\/h2>\n\n\n\n<p>Em conclus\u00e3o, a moagem de esc\u00f3ria de a\u00e7o desempenha um papel crucial na valoriza\u00e7\u00e3o da esc\u00f3ria de a\u00e7o, transformando-a em materiais \u00fateis para a produ\u00e7\u00e3o de cimento e concreto. Tecnologias avan\u00e7adas de moagem, como sistemas combinados de prensa de rolos e moinho de bolas, oferecem economias significativas de energia e maior efici\u00eancia. No entanto, desafios como ac\u00famulo de ferro e baixa efici\u00eancia de classifica\u00e7\u00e3o ainda existem. O desenvolvimento e a otimiza\u00e7\u00e3o cont\u00ednuos das t\u00e9cnicas de moagem liberar\u00e3o ainda mais o potencial da esc\u00f3ria de a\u00e7o em diversas aplica\u00e7\u00f5es industriais.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Sistema de produ\u00e7\u00e3o de moinho de bolas e classificador para carboato de Claicum, D97 5 m\u00edcrons, 1 t\/h\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/Fl5gIAUtL8U?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">P\u00f3 \u00e9pico<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.ball-mill-classifiers.com\/pt\/about-us\/\">P\u00f3 \u00e9pico<\/a>, Mais de 20 anos de experi\u00eancia de trabalho na ind\u00fastria de p\u00f3 ultrafino. Promover ativamente o desenvolvimento futuro de p\u00f3 ultrafino, com foco no processo de britagem, moagem, classifica\u00e7\u00e3o e modifica\u00e7\u00e3o de p\u00f3 ultrafino. Entre em contato conosco para uma consulta gratuita e solu\u00e7\u00f5es personalizadas! Nossa equipe de especialistas se dedica a fornecer produtos e servi\u00e7os de alta qualidade para maximizar o valor do seu processamento de p\u00f3. Epic Powder \u2014 Seu especialista confi\u00e1vel em processamento de p\u00f3!<\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f14067-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"14067\">\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\/posts\/14216#wpcf7-f14067-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/pt\/wp-json\/wp\/v2\/posts\/14216#wpcf7-f14067-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"14067\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.4\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f14067-o1\" \/><input type=\"hidden\" 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kc_captcha\" data-name=\"kc_captcha\"><span class=\"wpcf7-form-control wpcf7-radio\"><span class=\"captcha-image\" ><span class=\"cf7ic_instructions\">Por favor, prove que voc\u00ea \u00e9 humano selecionando<span> caminh\u00e3o<\/span>\u3002<\/span><label><input aria-label=\"1\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 576 512\"><path fill=\"currentColor\" d=\"M415 24c-53 0-103 42-127 65-24-23-74-65-127-65C70 24 16 77 16 166c0 72 67 133 69 135l187 181c9 8 23 8 32 0l187-180c2-3 69-64 69-136 0-89-54-142-145-142z\"\/><\/svg><\/label><label><input aria-label=\"2\" type=\"radio\" name=\"kc_captcha\" value=\"bot\" \/><svg aria-hidden=\"true\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 640 512\"><path fill=\"currentColor\" d=\"M192 384h192c53 0 96-43 96-96h32a128 128 0 000-256H120c-13 0-24 11-24 24v232c0 53 43 96 96 96zM512 96a64 64 0 010 128h-32V96h32zm48 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p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 48%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 100%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"pt\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>A esc\u00f3ria de aciaria \u00e9 um res\u00edduo industrial da produ\u00e7\u00e3o de a\u00e7o em conversores e fornos el\u00e9tricos a arco, composta principalmente por silicato de c\u00e1lcio e ferrita de c\u00e1lcio. Ela representa cerca de 141 TP3T da produ\u00e7\u00e3o de a\u00e7o bruto. A\u00e7o [\u2026]<\/p>","protected":false},"author":1,"featured_media":14219,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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