{"id":85371,"date":"2025-05-06T16:34:25","date_gmt":"2025-05-06T08:34:25","guid":{"rendered":"https:\/\/keruiref.com\/?p=85371"},"modified":"2025-05-06T16:35:43","modified_gmt":"2025-05-06T08:35:43","slug":"materiais-refractarios-para-siderurgia","status":"publish","type":"post","link":"https:\/\/keruiref.com\/pt\/materiais-refractarios-para-siderurgia\/","title":{"rendered":"Refract\u00e1rios para siderurgia"},"content":{"rendered":"

Existem muitos tipos de materiais refract\u00e1rios para siderurgia<\/strong><\/a>. De acordo com as suas propriedades qu\u00edmicas, podem ser divididos em materiais refract\u00e1rios \u00e1cidos, alcalinos e neutros. De acordo com as partes utilizadas, podem ser divididos em materiais refract\u00e1rios de alto-forno, materiais refract\u00e1rios de conversor, materiais refract\u00e1rios de forno el\u00e9trico, etc. Seguem-se alguns materiais refract\u00e1rios comuns das siderurgias:<\/p>\n

Refrat\u00e1rio \u00e1cido<\/h3>\n

Tijolo de s\u00edlica<\/strong><\/a>: Principalmente feito de s\u00edlica, cont\u00e9m uma grande quantidade de di\u00f3xido de sil\u00edcio. Tem boa resist\u00eancia \u00e0 corros\u00e3o \u00e1cida, alta temperatura de amolecimento de carga e boa estabilidade de volume a alta temperatura. \u00c9 adequado para revestimentos de fornos \u00e1cidos, tais como altos-fornos e fornos de produ\u00e7\u00e3o de a\u00e7o. \u00c9 frequentemente utilizado para construir c\u00e2maras de carboniza\u00e7\u00e3o e c\u00e2maras de combust\u00e3o de fornos de coque.<\/p>\n

Tijolo refrat\u00e1rio de barro<\/strong><\/a>: Tendo a argila refract\u00e1ria como principal mat\u00e9ria-prima, o seu processo de produ\u00e7\u00e3o \u00e9 relativamente simples, o pre\u00e7o \u00e9 baixo e tem um certo grau de refractariedade e estabilidade t\u00e9rmica, mas a sua refractariedade \u00e9 relativamente baixa. \u00c9 adequado para algumas partes com baixa temperatura e fraca eros\u00e3o, como a parede do forno e a chamin\u00e9 do forno de aquecimento.<\/p>\n

Materiais refract\u00e1rios de base<\/h3>\n

Tijolos de magn\u00e9sio<\/strong><\/a>: O principal componente \u00e9 o \u00f3xido de magn\u00e9sio, que tem uma elevada refractariedade, boa resist\u00eancia \u00e0 corros\u00e3o por \u00f3xidos de ferro, esc\u00f3ria b\u00e1sica e fluxo de c\u00e1lcio elevado, etc. \u00c9 frequentemente utilizado em fornos de fundi\u00e7\u00e3o e fornos de refina\u00e7\u00e3o de metais fundidos alcalinos, tais como conversores de produ\u00e7\u00e3o de a\u00e7o e revestimentos de fornos el\u00e9ctricos.<\/p>\n

Tijolos de dolomite<\/strong><\/a>: Produzido pela mistura de dolomite e argila, o componente principal \u00e9 o carbonato de c\u00e1lcio e magn\u00e9sio, que tem uma boa resist\u00eancia aos \u00e1lcalis e \u00e0 corros\u00e3o. \u00c9 adequado para revestimentos de fornos alcalinos, tais como fornos de produ\u00e7\u00e3o de a\u00e7o, fornos de refina\u00e7\u00e3o, etc. Em alguns processos especiais de fabrico de a\u00e7o, os tijolos de dolomite s\u00e3o tamb\u00e9m utilizados para a constru\u00e7\u00e3o de fundos e paredes de fornos.<\/p>\n

\"\"<\/p>\n

Materiais refract\u00e1rios neutros<\/h3>\n

Tijolos de cr\u00f3mio<\/strong><\/a>: Tendo o min\u00e9rio de cr\u00f3mio como principal mat\u00e9ria-prima, cont\u00e9m tri\u00f3xido de cr\u00f3mio e outros componentes. Tem as carater\u00edsticas de resist\u00eancia a altas temperaturas, resist\u00eancia \u00e0 corros\u00e3o e boa resist\u00eancia ao choque t\u00e9rmico. \u00c9 adequado para o revestimento de equipamentos como fornos de produ\u00e7\u00e3o de a\u00e7o e fornos de produ\u00e7\u00e3o de ferro, tais como as paredes do forno e telhados de fornos el\u00e9ctricos.<\/p>\n

Tijolo de mulite<\/strong><\/a>: A mulita \u00e9 o componente principal, com boa estabilidade t\u00e9rmica, resist\u00eancia a altas temperaturas e resist\u00eancia \u00e0 corros\u00e3o. \u00c9 feito de min\u00e9rio de argila ap\u00f3s sinteriza\u00e7\u00e3o a alta temperatura. A refratariedade \u00e9 geralmente entre 1200 \u2103 -1400 \u2103. Ele tem uma ampla gama de usos e pode ser usado para v\u00e1rios revestimentos de fornos, como fornos de aquecimento, fornos de imers\u00e3o, etc.<\/p>\n

Materiais refract\u00e1rios especiais<\/h3>\n

Tijolo de carbono<\/a>:<\/strong> O carbono \u00e9 o principal componente, com uma resist\u00eancia extremamente elevada ao choque t\u00e9rmico, resist\u00eancia \u00e0 corros\u00e3o e boa condutividade t\u00e9rmica. \u00c9 adequado para altos-fornos e conversores que trabalham a altas temperaturas. \u00c9 frequentemente utilizado para construir o fundo e a lareira dos altos-fornos.<\/p>\n

Tijolo de corindo<\/strong><\/a>: A alumina \u00e9 o principal componente. Pode ser dividido em diferentes graus de acordo com o conte\u00fado de alumina. Possui elevada refractariedade, dureza e resist\u00eancia \u00e0 corros\u00e3o. \u00c9 adequado para fornos de alta temperatura e recipientes de metal fundido, como a cobertura do forno de fornos el\u00e9ctricos e o revestimento de panelas.<\/p>\n

Tijolos de carboneto de sil\u00edcio<\/strong><\/a>: Tendo o carboneto de sil\u00edcio como principal mat\u00e9ria-prima, tem as carater\u00edsticas de alta condutividade t\u00e9rmica, boa resist\u00eancia ao choque t\u00e9rmico, forte resist\u00eancia ao desgaste, etc. \u00c9 adequado para utiliza\u00e7\u00e3o nas partes m\u00e9dia e inferior do corpo do forno, tais como as partes m\u00e9dia e inferior do alto-forno, a cintura do forno e outras partes.<\/p>\n

Materiais refract\u00e1rios isolantes<\/h3>\n

Tijolos leves de isolamento<\/a><\/strong>: Com materiais leves como a terra de diatom\u00e1ceas, vermiculite, perlite, etc. como principais mat\u00e9rias-primas, tem as carater\u00edsticas de baixa densidade, baixa condutividade t\u00e9rmica, bom desempenho de isolamento t\u00e9rmico, etc. \u00c9 utilizado para a camada de isolamento do forno para reduzir a perda de calor e reduzir o consumo de energia.<\/p>\n

Produtos de fibra cer\u00e2mica<\/strong><\/a>: Feito de fibra cer\u00e2mica, tem as carater\u00edsticas de resist\u00eancia a altas temperaturas, baixa capacidade de calor, baixa condutividade t\u00e9rmica, boa estabilidade qu\u00edmica e resist\u00eancia ao choque t\u00e9rmico. Pode ser transformada em mantas de fibra, placas de fibra, cordas de fibra e outras formas de isolamento t\u00e9rmico, veda\u00e7\u00e3o e preserva\u00e7\u00e3o do calor de fornos.<\/p>\n

KERUI Refract\u00e1rios<\/strong><\/a> pode fornecer todos os materiais refract\u00e1rios acima referidos para instala\u00e7\u00f5es sider\u00fargicas. Se tiver projectos relacionados, os nossos engenheiros fornecer-lhe-\u00e3o a ajuda necess\u00e1ria.<\/p>","protected":false},"excerpt":{"rendered":"Existem muitos tipos de materiais refract\u00e1rios para siderurgia. De acordo com as suas propriedades qu\u00edmicas, podem ser divididos em materiais refract\u00e1rios \u00e1cidos, alcalinos e neutros. De acordo com as partes utilizadas, podem ser divididos em materiais refract\u00e1rios de alto-forno, materiais refract\u00e1rios de conversor, materiais refract\u00e1rios de forno el\u00e9trico ... Ler mais<\/a>","protected":false},"author":1,"featured_media":84541,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-85371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news","no-featured-image-padding","resize-featured-image"],"yoast_head":"\nSteel Plant Refractory - Your Refractory Bricks, Castables Manufacturer For Kiln | Kerui Refractory\u00ae Official Website Steel Plant Refractory<\/title>\n<meta name=\"description\" content=\"There are many types of steel plant refractory materials. 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