{"id":14221,"date":"2025-04-11T08:14:06","date_gmt":"2025-04-11T08:14:06","guid":{"rendered":"https:\/\/www.ball-mill-classifiers.com\/?p=14221"},"modified":"2025-06-04T05:19:06","modified_gmt":"2025-06-04T05:19:06","slug":"do-you-know-the-secret-of-superfine-powders-flowability","status":"publish","type":"post","link":"https:\/\/www.ball-mill-classifiers.com\/pt\/do-you-know-the-secret-of-superfine-powders-flowability\/","title":{"rendered":"Voc\u00ea conhece o segredo da fluidez dos p\u00f3s superfinos?"},"content":{"rendered":"<p><a href=\"https:\/\/www.ball-mill-classifiers.com\/pt\/\">P\u00f3<\/a> n\u00e3o \u00e9 uma part\u00edcula \u00fanica, mas uma mistura de part\u00edculas com diferentes formas e tamanhos. O p\u00f3 desempenha um papel vital nas ind\u00fastrias farmac\u00eautica, de processamento de alimentos e qu\u00edmica. Normalmente, refere-se a um sistema disperso composto por part\u00edculas s\u00f3lidas e vazios. O tamanho das part\u00edculas \u00e9 geralmente inferior a 1000 \u03bcm. Em engenharia, materiais que existem na forma de p\u00f3 fino em condi\u00e7\u00f5es normais s\u00e3o chamados de p\u00f3s. <a href=\"https:\/\/www.ball-mill-classifiers.com\/pt\/categoria-produto\/ball-mill-classifier\/\">P\u00f3s superfinos <\/a>Possuem propriedades f\u00edsicas \u00fanicas, como fluidez, higroscopicidade, capacidade de preenchimento, coesividade, carga, alta \u00e1rea superficial espec\u00edfica e baixa densidade aparente. A fluidez \u00e9 fundamental para a engenharia de p\u00f3s e conecta as propriedades das part\u00edculas com as opera\u00e7\u00f5es unit\u00e1rias na tecnologia de p\u00f3s, como armazenamento, alimenta\u00e7\u00e3o, transporte e mistura.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"780\" height=\"464\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/superfine-powders-flowability.webp\" alt=\"superfine powders flowability\" class=\"wp-image-14222\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/superfine-powders-flowability.webp 780w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/superfine-powders-flowability-300x178.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/superfine-powders-flowability-768x457.webp 768w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/superfine-powders-flowability-18x12.webp 18w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/04\/superfine-powders-flowability-600x357.webp 600w\" sizes=\"(max-width: 780px) 100vw, 780px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Fatores que afetam a fluidez do p\u00f3<\/h2>\n\n\n\n<p>As propriedades da subst\u00e2ncia em si (como tamanho das part\u00edculas, forma, estado da superf\u00edcie, densidade, etc.) e a temperatura e umidade do ambiente determinam a fluidez dos p\u00f3s superfinos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Granularidade<\/h3>\n\n\n\n<p>O tamanho das part\u00edculas refere-se \u00e0 dimens\u00e3o linear ocupada pelas part\u00edculas no espa\u00e7o. A distribui\u00e7\u00e3o do tamanho das part\u00edculas refere-se \u00e0 porcentagem de part\u00edculas dentro de uma determinada faixa de tamanho em rela\u00e7\u00e3o \u00e0 quantidade total. Part\u00edculas menores aumentam a \u00e1rea superficial espec\u00edfica, intensificando as for\u00e7as moleculares e eletrost\u00e1ticas, que afetam o fluxo do p\u00f3. Part\u00edculas menores aumentam a tend\u00eancia \u00e0 adsor\u00e7\u00e3o, aglomera\u00e7\u00e3o e coes\u00e3o, levando a um \u00e2ngulo de repouso maior e menor fluidez. Al\u00e9m disso, part\u00edculas menores t\u00eam maior probabilidade de formar compacta\u00e7\u00e3o densa, reduzindo a permeabilidade, aumentando a compressibilidade e piorando a fluidez.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Forma<\/h3>\n\n\n\n<p>Mesmo que o tamanho das part\u00edculas seja o mesmo, p\u00f3s superfinos com formatos diferentes apresentam fluidez diferente. Part\u00edculas esf\u00e9ricas apresentam a melhor fluidez porque sua \u00e1rea de contato \u00e9 m\u00ednima. Part\u00edculas escamosas ou ramificadas, com numerosos pontos de contato planos e for\u00e7as de cisalhamento irregulares entre as part\u00edculas, apresentam baixa fluidez.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Intera\u00e7\u00e3o p\u00f3-part\u00edcula<\/h3>\n\n\n\n<p>O atrito e a coes\u00e3o entre as part\u00edculas afetam a fluidez do p\u00f3. Para diferentes tamanhos e formatos de part\u00edculas, o atrito e a coes\u00e3o afetam a fluidez de forma diferente. Para part\u00edculas maiores, as for\u00e7as de coes\u00e3o s\u00e3o muito menores do que as for\u00e7as de volume, portanto, a fluidez depende principalmente do formato da part\u00edcula. P\u00f3s com superf\u00edcies rugosas ou formatos irregulares geralmente apresentam baixa fluidez. Para part\u00edculas menores, as for\u00e7as de coes\u00e3o predominam sobre as for\u00e7as de volume, tornando a fluidez principalmente dependente da coes\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Temperatura<\/h3>\n\n\n\n<p>\u00c0 medida que a temperatura aumenta, a fluidez do p\u00f3 inicialmente aumenta e depois diminui. Em baixas temperaturas, a densidade das part\u00edculas aumenta com a temperatura. No entanto, em temperaturas muito altas, a ades\u00e3o do p\u00f3 aumenta devido aos efeitos do calor.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Umidade<\/h3>\n\n\n\n<p>Geralmente, quando o teor de umidade do p\u00f3 \u00e9 baixo, a superf\u00edcie adsorve \u00e1gua, e essa \u00e1gua adsorvida tem pouco efeito na fluidez.<br>\u00c0 medida que a umidade aumenta, uma fina camada de \u00e1gua se forma ao redor da \u00e1gua adsorvida, dificultando o movimento das part\u00edculas umas em rela\u00e7\u00e3o \u00e0s outras, restringindo o fluxo geral. Quando a umidade excede a quantidade m\u00e1xima de \u00e1gua ligada molecularmente, a fluidez do p\u00f3 piora e pode at\u00e9 ser perdida.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">M\u00e9todos para melhorar a fluidez do p\u00f3<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/www.ball-mill-classifiers.com\/pt\/astra-portfolio\/talcum-powder-modified-production-line-in-a-mineral-factory-in-thailand\/\">Modifica\u00e7\u00e3o da superf\u00edcie do p\u00f3<\/a><\/h3>\n\n\n\n<p>A tecnologia de modifica\u00e7\u00e3o \u00e9 um processo que altera as propriedades f\u00edsico-qu\u00edmicas das superf\u00edcies ou interfaces do p\u00f3, como estrutura at\u00f4mica da superf\u00edcie, grupos funcionais, polaridade e propriedades de carga, para melhorar o desempenho do p\u00f3.<\/p>\n\n\n\n<p>A tecnologia de modifica\u00e7\u00e3o f\u00edsica altera principalmente a morfologia e o tamanho das part\u00edculas de p\u00f3, utilizando m\u00e9todos como co-moagem e revestimento de superf\u00edcie. O revestimento de superf\u00edcie, tamb\u00e9m conhecido como tecnologia de camadas ou revestimento, conecta modificadores \u00e0s part\u00edculas de p\u00f3 por meio de m\u00e9todos f\u00edsicos ou for\u00e7as de van der Waals, sem desencadear rea\u00e7\u00f5es qu\u00edmicas. Modificadores comuns incluem dispersantes e surfactantes, e m\u00e9todos t\u00edpicos envolvem moagem mec\u00e2nica, mistura e deposi\u00e7\u00e3o de p\u00f3.<br>A modifica\u00e7\u00e3o qu\u00edmica envolve o uso de rea\u00e7\u00f5es qu\u00edmicas entre modificadores e part\u00edculas de p\u00f3 para alterar efetivamente as propriedades do p\u00f3. Este m\u00e9todo \u00e9 amplamente pesquisado em \u00e1reas como ingredientes aliment\u00edcios e medicina tradicional chinesa.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"749\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Coating-machine.webp\" alt=\"Coating machine\" class=\"wp-image-14355\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Coating-machine.webp 750w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Coating-machine-300x300.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Coating-machine-100x100.webp 100w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Coating-machine-12x12.webp 12w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Coating-machine-60x60.webp 60w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/05\/Coating-machine-600x599.webp 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">M\u00e1quina de revestimento<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Aplica\u00e7\u00e3o da transportadora<\/h3>\n\n\n\n<p>Selecionando carreadores ou auxiliares de fluxo adequados com base nas propriedades do p\u00f3, voc\u00ea pode melhorar a higroscopicidade e a fluidez. Adicionar a quantidade certa de auxiliar de fluxo ao p\u00f3 permite que ele se fixe \u00e0 superf\u00edcie, suavizando \u00e1reas \u00e1speras.<br>Isso reduz o atrito entre as part\u00edculas, o que melhora a fluidez at\u00e9 certo ponto. As propriedades do carreador podem ser direcionadas para corrigir os defeitos de um \u00fanico carreador ou auxiliar de fluxo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclus\u00e3o<\/h2>\n\n\n\n<p>O p\u00f3 \u00e9 um conjunto de muitas part\u00edculas s\u00f3lidas individuais, uma forma especial de s\u00f3lido. A fluidez \u00e9 um par\u00e2metro-chave do p\u00f3, de interesse comum em todos os setores, afetando diretamente a efici\u00eancia da produ\u00e7\u00e3o e a qualidade do produto. Medir e melhorar a fluidez do p\u00f3 \u00e9 crucial para os processos de produ\u00e7\u00e3o, transporte, armazenamento, envase, moldagem e pesagem de produtos em p\u00f3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"860\" height=\"484\" src=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-1.webp\" alt=\"EPIC POWDER\" class=\"wp-image-14167\" srcset=\"https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-1.webp 860w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-1-300x169.webp 300w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-1-768x432.webp 768w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-1-18x10.webp 18w, https:\/\/www.ball-mill-classifiers.com\/wp-content\/uploads\/2025\/03\/EPIC-POWDER-1-600x338.webp 600w\" sizes=\"(max-width: 860px) 100vw, 860px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">P\u00f3 \u00e9pico<\/h2>\n\n\n\n<p>Epic Powder, com mais de 20 anos de experi\u00eancia na ind\u00fastria de p\u00f3s ultrafinos. Promovemos ativamente o desenvolvimento futuro de p\u00f3s ultrafinos, com foco nos processos de britagem, moagem, classifica\u00e7\u00e3o e modifica\u00e7\u00e3o de p\u00f3s ultrafinos. 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\u00f3s. Epic Powder \u2014 Seu especialista confi\u00e1vel em processamento de p\u00f3s!<\/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\/14221#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\/14221#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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data-name=\"tel-901\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Seu telefone ou Whatsapp*\" value=\"\" type=\"tel\" name=\"tel-901\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Sua empresa\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Sua mensagem\" name=\"your-message\"><\/textarea><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap 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 0 512 512\"><path fill=\"currentColor\" d=\"M500 168h-55l-8-21a127 127 0 00-120-83H195a127 127 0 00-120 83l-8 21H12c-8 0-14 8-11 16l8 24a12 12 0 0011 8h29a64 64 0 00-33 56v48c0 16 6 31 16 42v62c0 13 11 24 24 24h48c13 0 24-11 24-24v-40h256v40c0 13 11 24 24 24h48c13 0 24-11 24-24v-62c10-11 16-26 16-42v-48c0-24-13-45-33-56h29a12 12 0 0011-8l8-24c3-8-3-16-11-16zm-365 2c9-25 33-42 60-42h122c27 0 51 17 60 42l15 38H120l15-38zM88 328a32 32 0 010-64c18 0 48 30 48 48s-30 16-48 16zm336 0c-18 0-48 2-48-16s30-48 48-48 32 14 32 32-14 32-32 32z\"\/><\/svg><\/label><label><input 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<\/span>\r\n    <span style=\"display:none\">\r\n        <input type=\"text\" name=\"kc_honeypot\">\r\n    <\/span><\/span><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Enviar\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.keen-form div{margin-bottom:0px;}\n.keen-form div 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>","protected":false},"excerpt":{"rendered":"<p>O p\u00f3 n\u00e3o \u00e9 uma part\u00edcula \u00fanica, mas uma mistura de part\u00edculas com diferentes formas e tamanhos. O p\u00f3 desempenha um papel vital nas ind\u00fastrias farmac\u00eautica, de processamento de alimentos e qu\u00edmica. Normalmente [\u2026]<\/p>","protected":false},"author":1,"featured_media":14224,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14221","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.2 (Yoast SEO v25.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Do you know the secret of superfine powders flowability? 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