{"id":16788,"date":"2026-05-28T09:20:46","date_gmt":"2026-05-28T09:20:46","guid":{"rendered":"https:\/\/www.jet-mills.com\/?post_type=astra-portfolio&#038;p=16788"},"modified":"2026-05-28T09:22:31","modified_gmt":"2026-05-28T09:22:31","slug":"chinas-offshore-oil-producer-uses-mqw-jet-mill-for-safe-pitch-micronization","status":"publish","type":"astra-portfolio","link":"https:\/\/www.jet-mills.com\/pt\/cases\/chinas-offshore-oil-producer-uses-mqw-jet-mill-for-safe-pitch-micronization\/","title":{"rendered":"Produtora chinesa de petr\u00f3leo offshore utiliza moinho de jato MQW para microniza\u00e7\u00e3o segura de piche."},"content":{"rendered":"<p id=\"h-\">O piche de petr\u00f3leo derivado do refino de petr\u00f3leo em alto-mar \u00e9 uma mat\u00e9ria-prima essencial para aplica\u00e7\u00f5es especializadas no setor de refino. No entanto, a redu\u00e7\u00e3o do tamanho de suas part\u00edculas para a faixa de micr\u00f4metros apresenta dois gargalos cr\u00edticos de engenharia:<\/p>\n\n\n\n<p><strong>Pasta t\u00e9rmica:<\/strong> O piche tem um ponto de amolecimento inerentemente baixo. Os moinhos mec\u00e2nicos tradicionais geram calor intenso por fric\u00e7\u00e3o, fazendo com que o piche amole\u00e7a, fique pegajoso e cubra os componentes internos do moinho. Isso resulta em falha instant\u00e2nea do sistema e manuten\u00e7\u00e3o trabalhosa.<\/p>\n\n\n\n<p><strong>Riscos de explos\u00e3o de poeira:<\/strong> P\u00f3 fino de piche em suspens\u00e3o no ar \u00e9 altamente explosivo. Em um ambiente de moagem padr\u00e3o, uma \u00fanica fa\u00edsca eletrost\u00e1tica ou um ponto quente localizado pode desencadear uma explos\u00e3o catastr\u00f3fica de poeira, tornando o equipamento de moagem a seco padr\u00e3o completamente invi\u00e1vel para os rigorosos protocolos de seguran\u00e7a de uma empresa produtora de petr\u00f3leo e g\u00e1s.<\/p>\n\n\n\n<p><strong>Controles rigorosos de corte superior:<\/strong> Revestimentos avan\u00e7ados exigem a elimina\u00e7\u00e3o completa da &quot;cauda grossa&quot;. Mesmo uma pequena porcentagem de part\u00edculas acima de 20 \u03bcm pode comprometer a uniformidade de f\u00f3rmulas anticorrosivas mar\u00edtimas de alto desempenho.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"768\" height=\"576\" src=\"https:\/\/www.jet-mills.com\/wp-content\/uploads\/2026\/05\/Jet-Mill-for-Grinding-Pitch-edited.webp\" alt=\"\" class=\"wp-image-16791\" srcset=\"https:\/\/www.jet-mills.com\/wp-content\/uploads\/2026\/05\/Jet-Mill-for-Grinding-Pitch-edited.webp 768w, https:\/\/www.jet-mills.com\/wp-content\/uploads\/2026\/05\/Jet-Mill-for-Grinding-Pitch-edited-300x225.webp 300w, https:\/\/www.jet-mills.com\/wp-content\/uploads\/2026\/05\/Jet-Mill-for-Grinding-Pitch-edited-16x12.webp 16w, https:\/\/www.jet-mills.com\/wp-content\/uploads\/2026\/05\/Jet-Mill-for-Grinding-Pitch-edited-600x450.webp 600w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\"><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-explosion-proof-mqw-jet-mill\"><mark class=\"has-inline-color has-ast-global-color-0-color\">Moinho de jato MQW \u00e0 prova de explos\u00e3o<\/mark><\/h2>\n\n\n\n<p>Para atender aos rigorosos requisitos do cliente em rela\u00e7\u00e3o \u00e0 seguran\u00e7a, pureza e geometria das part\u00edculas, <a href=\"https:\/\/www.jet-mills.com\/pt\/about-us\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Sobre n\u00f3s\">P\u00f3 \u00e9pico<\/a> implantou uma configura\u00e7\u00e3o personalizada do <strong><a href=\"https:\/\/www.jet-mills.com\/pt\/fluidized-bed-jet-mill\/\">Moinho de jato de ar de leito fluidizado MQW03<\/a><\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-fully-enclosed-inert-gas-n2-engineering\"><mark class=\"has-inline-color has-ast-global-color-0-color\">1. Engenharia de G\u00e1s Inerte (N2) Totalmente Fechado<\/mark><\/h3>\n\n\n\n<p>Para eliminar o risco de explos\u00e3o, o sistema MQW03 opera em um circuito fechado completamente selado, preenchido com nitrog\u00eanio pressurizado (N2). Analisadores de oxig\u00eanio integrados monitoram continuamente o sistema, garantindo que a concentra\u00e7\u00e3o de oxig\u00eanio permane\u00e7a seguramente abaixo de 3%. Se o n\u00edvel de oxig\u00eanio se desviar, o sistema aciona automaticamente uma purga de emerg\u00eancia com N2 e desliga com seguran\u00e7a.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-joule-thomson-cooling-effect\"><mark class=\"has-inline-color has-ast-global-color-0-color\">2. Efeito de resfriamento Joule-Thomson<\/mark><\/h3>\n\n\n\n<p>O MQW03 utiliza nitrog\u00eanio comprimido em alta velocidade, injetado atrav\u00e9s de bicos Laval alinhados com precis\u00e3o. \u00c0 medida que o g\u00e1s se expande na c\u00e2mara de leito fluidizado, ele sofre uma r\u00e1pida expans\u00e3o, criando um efeito de resfriamento natural. As part\u00edculas de piche colidem umas com as outras em velocidades supers\u00f4nicas (<em>colis\u00e3o part\u00edcula-part\u00edcula<\/em>) em um ambiente refrigerado. A temperatura interna permanece muito abaixo do limite de amolecimento do campo, eliminando a ader\u00eancia t\u00e9rmica.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-3-high-efficiency-turbine-classifier\"><mark class=\"has-inline-color has-ast-global-color-0-color\">3. Classificador de turbina de alta efici\u00eancia<\/mark><\/h3>\n\n\n\n<p>A roda classificadora horizontal integrada atua como um filtro de ultraprecis\u00e3o. Operando na rota\u00e7\u00e3o ideal, permite que apenas as part\u00edculas que atendem ao perfil microm\u00e9trico desejado saiam do sistema, retornando part\u00edculas com espa\u00e7amento maior para posterior moagem. Isso garante uma precis\u00e3o absoluta. <mark class=\"has-inline-color has-ast-global-color-0-color\">corte superior (D100)<\/mark> sem depender de peneiramento externo.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-technical-performance-amp-operational-parameters\"><mark class=\"has-inline-color has-ast-global-color-0-color\">Desempenho t\u00e9cnico e par\u00e2metros operacionais<\/mark><\/h2>\n\n\n\n<p>O sistema MQW03 apresentou m\u00e9tricas de processamento altamente est\u00e1veis durante a avalia\u00e7\u00e3o piloto cont\u00ednua:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><td><strong>Par\u00e2metro<\/strong><\/td><td><strong>Desempenho e especifica\u00e7\u00f5es<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>Configura\u00e7\u00e3o do sistema<\/strong><\/td><td>Epic Powder MQW03 (\u00c0 prova de explos\u00e3o \/ Circuito fechado)<\/td><\/tr><tr><td><strong>Material<\/strong><\/td><td>Precursor de piche de petr\u00f3leo refinado<\/td><\/tr><tr><td><strong>Faixa de tamanho de ra\u00e7\u00e3o<\/strong><\/td><td><strong>\u2264<\/strong> 1,5 mm<\/td><\/tr><tr><td><strong>Tamanho alvo da part\u00edcula (D50)<\/strong><\/td><td><strong>5 \u03bcm<\/strong> (Distribui\u00e7\u00e3o altamente uniforme)<\/td><\/tr><tr><td><strong>Corte superior absoluto (D100)<\/strong><\/td><td><strong>&lt; 18 \u03bcm<\/strong> (Nenhuma part\u00edcula grossa de tamanho excessivo)<\/td><\/tr><tr><td><strong>Projeto do Sistema de Seguran\u00e7a<\/strong><\/td><td>Resist\u00eancia a choques explosivos de 10 bar, classifica\u00e7\u00e3o \u00e0 prova de explos\u00e3o Ex d II B T4.<\/td><\/tr><tr><td><strong>G\u00e1s de processo<\/strong><\/td><td>Nitrog\u00eanio (N2) em circuito fechado, teor de oxig\u00eanio &lt; 3%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-key-takeaways-and-operational-impact\"><mark class=\"has-inline-color has-ast-global-color-0-color\">Principais conclus\u00f5es e impacto operacional<\/mark><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Conformidade de seguran\u00e7a impec\u00e1vel:<\/strong> O sistema de prote\u00e7\u00e3o com nitrog\u00eanio em circuito fechado permitiu ao cliente integrar a linha de processamento de p\u00f3 com seguran\u00e7a dentro de sua zona de produ\u00e7\u00e3o petroqu\u00edmica, atendendo a todos os padr\u00f5es nacionais de seguran\u00e7a qu\u00edmica.<\/li>\n\n\n\n<li><strong>Opera\u00e7\u00e3o cont\u00ednua sem interrup\u00e7\u00f5es:<\/strong> Ao utilizar refrigera\u00e7\u00e3o por fluidos, o moinho operou continuamente durante longos turnos de teste sem qualquer ac\u00famulo ou forma\u00e7\u00e3o de crostas na roda de classifica\u00e7\u00e3o ou nas paredes da c\u00e2mara.<\/li>\n\n\n\n<li><strong>Integra\u00e7\u00e3o perfeita com a mistura subsequente:<\/strong> A distribui\u00e7\u00e3o granulom\u00e9trica estreita e previs\u00edvel melhorou significativamente a taxa de dispers\u00e3o do p\u00f3 de piche em matrizes de resina especiais para revestimentos protetores em plataformas offshore.<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><strong>Vis\u00e3o geral do setor:<\/strong> Para grandes empresas de energia, os dados de laborat\u00f3rio ou de projetos-piloto do MQW03 servem como base fundamental para a engenharia. Os par\u00e2metros exatos do processo estabelecidos por este sistema \u2014 como as propor\u00e7\u00f5es g\u00e1s-material, a geometria do bocal e a velocidade da ponta do classificador \u2014 s\u00e3o diretamente escal\u00e1veis para os sistemas industriais de grande porte da Epic Powder (como o MQW40 ou o MQW60), abrindo caminho para a expans\u00e3o de plantas de grande capacidade.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-scale-your-powder-processing-safely-with-epic-powder\"><mark class=\"has-inline-color has-ast-global-color-0-color\">Aumente a escala do seu processamento de p\u00f3 com seguran\u00e7a com <a href=\"https:\/\/www.jet-mills.com\/pt\/products\/\">P\u00f3 \u00e9pico<\/a><\/mark><\/h2>\n\n\n\n<p>Desde sistemas de P&amp;D em laborat\u00f3rio com garantias absolutas \u00e0 prova de explos\u00e3o at\u00e9 linhas de produ\u00e7\u00e3o industrial completas de alta capacidade, a Epic Powder projeta sistemas que preenchem a lacuna entre a qu\u00edmica complexa dos materiais e a rigorosa seguran\u00e7a industrial.<\/p>\n\n\n\n<p><strong><a href=\"https:\/\/www.jet-mills.com\/pt\/contact-us\/\">Entre em contato com nossa equipe de engenharia.<\/a><\/strong> Para discutir os requisitos do seu projeto ou agendar um teste de fresagem de materiais remoto ou presencial.<\/p>","protected":false},"featured_media":16790,"template":"","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":""}}},"astra-portfolio-categories":[45],"astra-portfolio-other-categories":[],"astra-portfolio-tags":[143,147,146,144],"class_list":["post-16788","astra-portfolio","type-astra-portfolio","status-publish","has-post-thumbnail","hentry","astra-portfolio-categories-fine-chemical","astra-portfolio-tags-nitrogen-protected-jet-mill","astra-portfolio-tags-explosion-proof-jet-mill","astra-portfolio-tags-fluidized-bed-jet-mill-for-pitch","astra-portfolio-tags-petroleum-pitch-grinding"],"astra-site-call-to-action":"","astra-site-open-in-new-tab":"0","astra-site-open-portfolio-in":"new-tab","astra-site-url":"","thumbnail-image-url":null,"thumbnail-image-meta":{"alt":"","title":""},"lightbox-image-url":null,"portfolio-type":"page","portfolio-video-url":"","request_time":0.9373281002044678,"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - 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