{"id":7683,"date":"2022-12-05T16:00:45","date_gmt":"2022-12-05T13:00:45","guid":{"rendered":"https:\/\/energosteel.com\/?p=7683"},"modified":"2022-12-05T16:18:24","modified_gmt":"2022-12-05T13:18:24","slug":"conceptos-generales-de-molienda","status":"publish","type":"post","link":"https:\/\/energosteel.com\/es\/conceptos-generales-de-molienda\/","title":{"rendered":"CONCEPTOS GENERALES DE MOLIENDA"},"content":{"rendered":"<p style=\"text-indent: 20px;\" align=\"justify\">Recordemos un poco de teor\u00eda, y m\u00e1s espec\u00edficamente, qu\u00e9 es la molienda y c\u00f3mo se lleva a cabo en las empresas de la industria.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">La intensidad de muchos procesos tecnol\u00f3gicos depende del valor del \u00e1rea superficial total de los materiales s\u00f3lidos procesados, cuanto mayor sea este indicador, m\u00e1s eficiente se considera la molienda. Un aumento en este indicador se logra reduciendo el tama\u00f1o de las piezas de material (molienda), lo que a su vez garantiza la calidad del producto terminado.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">El proceso de reducir el tama\u00f1o de las piezas de materiales s\u00f3lidos se llama trituraci\u00f3n o molienda.\u00a0 A menudo, la trituraci\u00f3n se entiende como una disminuci\u00f3n de solo piezas grandes. Este proceso se lleva a cabo en trituradoras.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">El proceso de molienda de piezas peque\u00f1as se llama molienda. Este proceso en la mayor\u00eda de los casos se lleva a cabo con la ayuda de molinos de bolas, en los que las bolas de molienda se utilizan como medio de molienda.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">El combustible (carb\u00f3n), las materias primas (rocas, minerales), los productos semiacabados y los productos terminados se someten a molienda.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">La molienda generalmente se llama grande si se procesan piezas con un tama\u00f1o transversal de 1000 a 200 mm, medianas e intermedias, dentro de 250 a 50 mm, peque\u00f1as dentro de 50 a 20 mm y delgadas (molienda), dentro de 25 a 3 mm o menos.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">El grado total de molienda caracteriza el resultado total de la molienda, realizada en varios pasos. Para este prop\u00f3sito, las plantas de cemento utilizan molinos de bolas de dos c\u00e1maras. La primera c\u00e1mara est\u00e1 cargada con bolas de molienda con un di\u00e1metro de 100-50 mm. La segunda c\u00e1mara est\u00e1 cargada con un conjunto de cuerpos de molienda con un di\u00e1metro de 25-40 mm. Los molinos de bolas de una sola c\u00e1mara se utilizan en los GOK, utilizando la \u00abetapa\u00bb de la molienda. Es decir, en la primera etapa de molienda, se utiliza una bola de acero con un di\u00e1metro de 120-100 mm, en la segunda etapa 60-40 y en la tercera etapa se utiliza el di\u00e1metro m\u00e1s peque\u00f1o posible: 25-30 mm.\u00a0 El grado de molienda de piezas en un m\u00e9todo de procesamiento es:<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">La molienda se realiza por trituraci\u00f3n (1), impacto (II), abrasi\u00f3n (III) y divisi\u00f3n (IV).<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" src=\"https:\/\/energosteel.com\/wp-content\/uploads\/2022\/12\/20221202_1.png\" \/><\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">En la mayor\u00eda de los casos, hay un efecto combinado de las fuerzas de molienda, por ejemplo, aplastamiento con abrasi\u00f3n, un golpe con aplastamiento y abrasi\u00f3n; A veces, los principales esfuerzos se unen a la flexi\u00f3n lateral y al desgarro.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">El m\u00e9todo de molienda se elige teniendo en cuenta las propiedades f\u00edsicas del material triturado, principalmente su dureza y naturaleza de fractura.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">Para materiales caracterizados por una alta dureza, el soplado y la trituraci\u00f3n son m\u00e1s efectivos, para materiales viscosos es preferible la abrasi\u00f3n, para materiales fr\u00e1giles: divisi\u00f3n.<\/p>\n<p style=\"text-indent: 20px;\" align=\"justify\">Uno de los factores m\u00e1s importantes que caracterizan el proceso de molienda es la cantidad de energ\u00eda que se debe gastar en moler una tonelada de material. Cuanto mayor sea la resistencia del material triturado, m\u00e1s energ\u00eda se necesita para moler. Ya hemos considerado con m\u00e1s detalle los costos de energ\u00eda y c\u00f3mo se aplica en la pr\u00e1ctica en nuestras publicaciones:<\/p>\n<p><a href=\"https:\/\/energosteel.com\/metod-smc\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/energosteel.com\/metod-smc\/<\/a><br \/>\n<a href=\"https:\/\/energosteel.com\/ispolzovanie-energeticheskih-indeksov-raschet-indeksa-bonda-dlya-sharovogo-izmelcheniya\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/energosteel.com\/ispolzovanie-energeticheskih-indeksov-raschet-indeksa-bonda-dlya-sharovogo-izmelcheniya\/<\/a><br \/>\n<a href=\"https:\/\/energosteel.com\/test-padajushhego-gruza-po-metodike-jkmrc\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/energosteel.com\/test-padajushhego-gruza-po-metodike-jkmrc\/<\/a><br \/>\n<a href=\"https:\/\/energosteel.com\/ispolzovanie-energeticheskih-indeksov-raschet-indeksa-bonda-dlya-sterzhnevogo-izmelcheniya\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/energosteel.com\/ispolzovanie-energeticheskih-indeksov-raschet-indeksa-bonda-dlya-sterzhnevogo-izmelcheniya\/<\/a><br \/>\n<a href=\"https:\/\/energosteel.com\/metody-vybora-sag-melnic-iii-raschet-indeksa-bonda-drobleniya\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/energosteel.com\/metody-vybora-sag-melnic-iii-raschet-indeksa-bonda-drobleniya\/<\/a><br \/>\n<a href=\"https:\/\/energosteel.com\/metody-vybora-sag-melnic-ii-rabochij-indeks-f-bonda-v-izmelchenii\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/energosteel.com\/metody-vybora-sag-melnic-ii-rabochij-indeks-f-bonda-v-izmelchenii\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Recordemos un poco de teor\u00eda, y m\u00e1s espec\u00edficamente, qu\u00e9 es la molienda y c\u00f3mo se lleva a cabo en las empresas de la industria. La intensidad<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":4,"featured_media":7675,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"link","meta":{"footnotes":""},"categories":[132],"tags":[],"class_list":["post-7683","post","type-post","status-publish","format-link","has-post-thumbnail","hentry","category-sin-categorizar","post_format-post-format-link"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CONCEPTOS GENERALES DE MOLIENDA<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/energosteel.com\/obshhie-ponyatiya-izmelcheniya\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"CONCEPTOS GENERALES DE MOLIENDA\" \/>\n<meta property=\"og:description\" content=\"Recordemos un poco de teor\u00eda, y m\u00e1s espec\u00edficamente, qu\u00e9 es la molienda y c\u00f3mo se lleva a cabo en las empresas de la industria. 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