{"id":2292,"date":"2026-02-24T11:44:36","date_gmt":"2026-02-24T11:44:36","guid":{"rendered":"https:\/\/vadi.pt\/com\/?p=2292"},"modified":"2026-02-24T11:44:37","modified_gmt":"2026-02-24T11:44:37","slug":"chamines-industriais-legislacao-portugal","status":"publish","type":"post","link":"https:\/\/vadi.pt\/com\/chamines-industriais-legislacao-portugal\/","title":{"rendered":"A IMPORT\u00c2NCIA DAS CHAMIN\u00c9S INDUSTRIAIS E A NOVA LEGISLA\u00c7\u00c3O EM PORTUGAL"},"content":{"rendered":"<section class=\"av_textblock_section \"  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock  '   itemprop=\"text\" ><h3><b>A IMPORT\u00c2NCIA DAS CHAMIN\u00c9S INDUSTRIAIS E A NOVA LEGISLA\u00c7\u00c3O EM PORTUGAL<\/b><\/h3>\n<h4><\/h4>\n<p>As chamin\u00e9s industriais n\u00e3o s\u00e3o apenas um elemento estrutural. S\u00e3o parte essencial do sistema ambiental da f\u00e1brica e t\u00eam impacto direto no licenciamento, na seguran\u00e7a e nos custos de opera\u00e7\u00e3o.<\/p>\n<p data-start=\"490\" data-end=\"581\">Hoje, com a evolu\u00e7\u00e3o da legisla\u00e7\u00e3o portuguesa e europeia, o seu papel \u00e9 ainda mais cr\u00edtico.<\/p>\n<p><a href=\"https:\/\/vadi.pt\/com\/despoeiramento\/\">Despoeiramento<\/a> , <a href=\"https:\/\/vadi.pt\/com\/ventilacao-industrial\/\">Ventila\u00e7\u00e3o Industrial<\/a>, <a href=\"https:\/\/vadi.pt\/com\/aspiracao\/\">Aspira\u00e7\u00e3o<\/a>, <a href=\"https:\/\/vadi.pt\/com\/transporte-pneumatico\/\">Transporte Pneum\u00e1tico<\/a>, <a href=\"https:\/\/vadi.pt\/com\/climatizacao\/\">Climatiza\u00e7\u00e3o Evaporativa<\/a>, <a href=\"https:\/\/vadi.pt\/com\/chamines\/\">Chamin\u00e9s<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2160 size-full\" src=\"http:\/\/vadi.pt\/com\/wp-content\/uploads\/2025\/02\/shoefactory_vadi4.jpg\" alt=\"\" width=\"864\" height=\"415\" srcset=\"https:\/\/vadi.pt\/com\/wp-content\/uploads\/2025\/02\/shoefactory_vadi4.jpg 864w, https:\/\/vadi.pt\/com\/wp-content\/uploads\/2025\/02\/shoefactory_vadi4-300x144.jpg 300w, https:\/\/vadi.pt\/com\/wp-content\/uploads\/2025\/02\/shoefactory_vadi4-768x369.jpg 768w, https:\/\/vadi.pt\/com\/wp-content\/uploads\/2025\/02\/shoefactory_vadi4-705x339.jpg 705w\" sizes=\"auto, (max-width: 864px) 100vw, 864px\" \/><\/p>\n<p><!--more--><b><\/b><\/p>\n<h3 data-start=\"588\" data-end=\"639\">Porque as chamin\u00e9s s\u00e3o fundamentais nas empresas<\/h3>\n<h3 data-start=\"641\" data-end=\"678\"><\/h3>\n<h4><b>Dispers\u00e3o correta de poluentes<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">A fun\u00e7\u00e3o principal \u00e9 garantir que os gases s\u00e3o libertados com altura e velocidade suficientes para evitar concentra\u00e7\u00f5es perigosas ao n\u00edvel do solo e proteger a sa\u00fade p\u00fablica.<\/span><\/p>\n<h4><b>Cumprimento legal e licenciamento<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">A descarga atmosf\u00e9rica deve ser feita atrav\u00e9s de chamin\u00e9 dimensionada corretamente, de modo a assegurar prote\u00e7\u00e3o ambiental e conformidade legal.<\/span><\/p>\n<h4><b>Seguran\u00e7a da instala\u00e7\u00e3o<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Uma chamin\u00e9 mal dimensionada pode causar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">retorno de gases<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">acumula\u00e7\u00e3o de vapores<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">corros\u00e3o acelerada<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">inefici\u00eancia de sistemas de filtragem<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<\/ul>\n<h4><b>Efici\u00eancia do sistema de tratamento<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Filtros, ciclones e lavadores dependem da chamin\u00e9 para garantir:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">velocidade adequada de sa\u00edda<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">estabilidade do fluxo<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">funcionamento correto do sistema<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2036\" src=\"http:\/\/vadi.pt\/com\/wp-content\/uploads\/2023\/10\/Triangles_chamines_vadi_1-jpg.webp\" alt=\"\" width=\"864\" height=\"415\" srcset=\"https:\/\/vadi.pt\/com\/wp-content\/uploads\/2023\/10\/Triangles_chamines_vadi_1-jpg.webp 864w, https:\/\/vadi.pt\/com\/wp-content\/uploads\/2023\/10\/Triangles_chamines_vadi_1-300x144.webp 300w, https:\/\/vadi.pt\/com\/wp-content\/uploads\/2023\/10\/Triangles_chamines_vadi_1-768x369.webp 768w, https:\/\/vadi.pt\/com\/wp-content\/uploads\/2023\/10\/Triangles_chamines_vadi_1-705x339.webp 705w\" sizes=\"auto, (max-width: 864px) 100vw, 864px\" \/><\/p>\n<h3><b>Requisitos t\u00e9cnicos principais em Portugal<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">A legisla\u00e7\u00e3o portuguesa j\u00e1 estabelece regras claras, como por exemplo:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">A altura da chamin\u00e9 deve garantir dispers\u00e3o adequada dos poluentes.<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Regra geral: n\u00e3o pode ser inferior a <\/span><b>10 metros<\/b><span style=\"font-weight: 400;\">, salvo exce\u00e7\u00f5es t\u00e9cnicas justificadas.<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Deve impedir a entrada de ar que provoque dilui\u00e7\u00e3o artificial das emiss\u00f5es.<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Pode ser necess\u00e1rio estudo de dispers\u00e3o atmosf\u00e9rica em zonas cr\u00edticas.\u00a0<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><\/p>\n<h3>O que mudou recentemente na lei portuguesa<\/h3>\n<h4><b>Novo enquadramento refor\u00e7ado das emiss\u00f5es industriais (2025)<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">O <\/span><b>Decreto-Lei n.\u00ba 89\/2025<\/b><span style=\"font-weight: 400;\"> alterou o regime jur\u00eddico das emiss\u00f5es industriais, refor\u00e7ando as regras de controlo e licenciamento ambiental.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Entre os pontos relevantes para empresas com chamin\u00e9s industriais:<\/span><\/p>\n<h4><b>Revis\u00e3o peri\u00f3dica da Licen\u00e7a Ambiental<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Passa a existir obriga\u00e7\u00e3o de revis\u00e3o da licen\u00e7a, regra geral, a cada <\/span><b>7 anos<\/b><span style=\"font-weight: 400;\">, podendo resultar em novas exig\u00eancias t\u00e9cnicas.<\/span><\/p>\n<h4><b>Requisitos t\u00e9cnicos mais rigorosos no licenciamento<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Foram introduzidas altera\u00e7\u00f5es nos requisitos t\u00e9cnicos aplic\u00e1veis \u00e0s instala\u00e7\u00f5es e emiss\u00f5es, o que pode implicar adapta\u00e7\u00f5es nos sistemas existentes.<\/span><\/p>\n<h4><b>Maior controlo e comunica\u00e7\u00e3o obrigat\u00f3ria<\/b><\/h4>\n<p><span style=\"font-weight: 400;\">Os operadores passam a ter dever refor\u00e7ado de comunicar incidentes ambientais e altera\u00e7\u00f5es relevantes \u00e0s autoridades.\u00a0<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-2037\" src=\"http:\/\/vadi.pt\/com\/wp-content\/uploads\/2023\/10\/Triangles_chamines_vadi_2-jpg.webp\" alt=\"\" width=\"864\" height=\"415\" srcset=\"https:\/\/vadi.pt\/com\/wp-content\/uploads\/2023\/10\/Triangles_chamines_vadi_2-jpg.webp 864w, https:\/\/vadi.pt\/com\/wp-content\/uploads\/2023\/10\/Triangles_chamines_vadi_2-300x144.webp 300w, https:\/\/vadi.pt\/com\/wp-content\/uploads\/2023\/10\/Triangles_chamines_vadi_2-768x369.webp 768w, https:\/\/vadi.pt\/com\/wp-content\/uploads\/2023\/10\/Triangles_chamines_vadi_2-705x339.webp 705w\" sizes=\"auto, (max-width: 864px) 100vw, 864px\" \/><\/p>\n<h3><b>O que isto significa na pr\u00e1tica para as empresas<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Muitas instala\u00e7\u00f5es t\u00eam hoje chamin\u00e9s que:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Foram dimensionadas com normas antigas<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u00e3o foram revistas ap\u00f3s altera\u00e7\u00f5es no processo<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u00e3o est\u00e3o alinhadas com os novos requisitos do licenciamento<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Podem comprometer futuras renova\u00e7\u00f5es da licen\u00e7a<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Isto significa que a chamin\u00e9 deixou de ser apenas um elemento t\u00e9cnico \u2014 passou a ser um ponto cr\u00edtico de conformidade legal.<\/span><\/p>\n<h3><b>Faz sentido avaliar a sua instala\u00e7\u00e3o?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Uma verifica\u00e7\u00e3o t\u00e9cnica pode identificar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">chamin\u00e9s subdimensionadas<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">necessidade de estudo de dispers\u00e3o<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">melhorias na efici\u00eancia do sistema<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">riscos para futuras renova\u00e7\u00f5es de licen\u00e7a<\/span><span style=\"font-weight: 400;\">\n<p><\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Se quiser, podemos fazer uma <\/span><b>avalia\u00e7\u00e3o t\u00e9cnica inicial<\/b><span style=\"font-weight: 400;\">, sem compromisso, para perceber se a sua instala\u00e7\u00e3o est\u00e1 alinhada com as exig\u00eancias atuais.<\/span><\/p>\n<p style=\"text-align: center;\">\n<\/div><\/section>\n<div  class='avia-button-wrap avia-button-center  avia-builder-el-1  el_after_av_textblock  avia-builder-el-last ' ><a href='https:\/\/vadi.pt\/com\/contactos\/'  class='avia-button  avia-color-theme-color   avia-icon_select-yes-left-icon avia-size-small avia-position-center '   ><span class='avia_button_icon avia_button_icon_left ' aria-hidden='true' data-av_icon='\ue800' data-av_iconfont='entypo-fontello'><\/span><span class='avia_iconbox_title' >Contacte-nos <\/span><\/a><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":2036,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[69,67,37,71],"class_list":["post-2292","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-chamines-2","tag-industrias-de-papel","tag-sistemas-de-ventilacao","tag-upper"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A IMPORT\u00c2NCIA DAS CHAMIN\u00c9S INDUSTRIAIS E A NOVA LEGISLA\u00c7\u00c3O EM PORTUGAL - Vadi - Sistemas de Ventila\u00e7\u00e3o<\/title>\n<meta name=\"description\" content=\"Legisla\u00e7\u00e3o Portugal chamin\u00e9s, fabrico montagem, engenharia de ventila\u00e7\u00e3o, 2026, Chamin\u00e9s Industriais, ventila\u00e7\u00e3o industrial, Vadi\" \/>\n<meta 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