{"id":2165,"date":"2021-12-28T10:05:18","date_gmt":"2021-12-28T10:05:18","guid":{"rendered":"https:\/\/zecovalve.com\/natural-draft-and-mechanical-draft-cooling-tower-fundamentals-zeco-valve-blog.html"},"modified":"2022-11-01T02:58:23","modified_gmt":"2022-11-01T02:58:23","slug":"natural-draft-and-mechanical-draft-cooling-tower-fundamentals-zeco-valve-blog","status":"publish","type":"post","link":"https:\/\/zecovalve.com\/pt\/natural-draft-and-mechanical-draft-cooling-tower-fundamentals-zeco-valve-blog.html","title":{"rendered":"Torre de resfriamento de tiragem natural e torre de resfriamento de tiragem mec\u00e2nica"},"content":{"rendered":"<p>Em muitas instala\u00e7\u00f5es industriais, v\u00e1rios equipamentos, bem como muitos fluidos utilizados em sistemas de processo, precisam ser resfriados. Esse resfriamento \u00e9 feito principalmente com \u00e1gua. No entanto, \u00e0 medida que a \u00e1gua de resfriamento \u00e9 utilizada, ela absorve calor e perde sua efic\u00e1cia de resfriamento. A \u00e1gua precisa ser mantida fria.<\/p>\n\n\n\n<p>O descarte de \u00e1gua quente em lagoas ou bacias pode ser prejudicial ao meio ambiente. Tamb\u00e9m \u00e9 caro substituir a \u00e1gua descartada. O meio mais eficiente \u00e9 resfriar a \u00e1gua quente e reutiliz\u00e1-la.<\/p>\n\n\n\n<p>O equipamento mais utilizado para fazer isso \u00e9 a torre de resfriamento. As torres de resfriamento fazem parte de um sistema de \u00e1gua de resfriamento em uma instala\u00e7\u00e3o comercial ou industrial.<\/p>\n\n\n\n\n\n<p>No trocador de calor, o calor de um fluido de processo \u00e9 transferido para a \u00e1gua de resfriamento. Depois de absorver o calor do fluido do processo, a \u00e1gua flui do trocador de calor para o topo da torre de resfriamento. A \u00e1gua ent\u00e3o cai pela torre e fica exposta ao ar, que por sua vez esfria a \u00e1gua. A \u00e1gua resfriada \u00e9 coletada na parte inferior da torre e bombeada de volta pelo sistema para reutiliza\u00e7\u00e3o. As torres de resfriamento resfriam a \u00e1gua expondo-a ao ar, o que faz com que parte da \u00e1gua evapore. A evapora\u00e7\u00e3o \u00e9 um processo no qual o calor contido na \u00e1gua faz com que parte da \u00e1gua se transforme em vapor. \u00c0 medida que a \u00e1gua se transforma em vapor, o calor \u00e9 removido, resultando em \u00e1gua resfriada. Em uma torre de resfriamento, o calor contido na \u00e1gua \u00e9 removido da torre na forma de vapor \u00e0 medida que a \u00e1gua evapora.<\/p>\n\n\n\n<p>A condu\u00e7\u00e3o e a convec\u00e7\u00e3o desempenham um papel importante em uma torre de resfriamento. Na torre, a \u00e1gua entra em contato direto com o ar. Quando isso ocorre, parte do calor da \u00e1gua \u00e9 transferido para o ar diretamente por condu\u00e7\u00e3o e convec\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Que tipos de v\u00e1lvulas de torre de resfriamento existem?<\/h2>\n\n\n\n<p>Todas as torres de resfriamento operam basicamente com os mesmos princ\u00edpios, por\u00e9m, seus projetos podem ser divididos em dois tipos: torres de tiragem natural e torres de tiragem mec\u00e2nica (torre de resfriamento de tiragem induzida). <\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-a-natural-draft-cooling-tower\">O que \u00e9 uma torre de resfriamento com tiragem natural?<\/h2>\n\n\n\n<p>A Torre de Resfriamento Natural Draft \u00e9 um trocador de calor do tipo contato direto aberto onde a \u00e1gua quente do sistema ou condensador \u00e9 resfriada pelo contato direto com o ar fresco. As torres de resfriamento utilizam o princ\u00edpio da evapora\u00e7\u00e3o da \u00e1gua contra o fluxo de ar. \u00c1gua quente \u00e9 pulverizada pelos bicos para aumentar a \u00e1rea de superf\u00edcie de transfer\u00eancia de calor. A temperatura e a umidade do ar aumentam ap\u00f3s a transfer\u00eancia de calor por contato direto entre a \u00e1gua quente e o ar fresco. O ar quente e \u00famido, sendo menos denso, vai para o topo da torre, e a \u00e1gua fria \u00e9 coletada na parte inferior da torre. O ar fresco \u00e9 fornecido pela parte inferior da torre de resfriamento devido \u00e0 diferen\u00e7a de densidade entre o ar quente dentro da pilha e o ar atmosf\u00e9rico fora da torre de resfriamento.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Princ\u00edpio da Torre de Resfriamento de Tiragem Natural<\/h2>\n\n\n\n<p>O fluxo de ar \u00e9 obtido em sistemas de torres de resfriamento com tiragem natural por meio do efeito chamin\u00e9 da pr\u00f3pria estrutura da torre de resfriamento, que utiliza a diferen\u00e7a natural de press\u00e3o. O ar quente e \u00famido \u00e9 menos denso, o que faz com que ele saia da torre de resfriamento para a atmosfera e atraia ar fresco mais denso. A diferen\u00e7a entre o ar quente dentro da torre e o ar mais frio do lado de fora cria o fluxo de ar perfeito. Para que ocorra fluxo de ar suficiente, uma f\u00f3rmula matem\u00e1tica espec\u00edfica \u00e9 usada para calcular a altura da torre de resfriamento para garantir que ela seja quase t\u00e3o grande quanto a diferen\u00e7a de densidade. Isso significa que as torres de resfriamento que utilizam esse sistema tendem a ser grandes: cerca de 200 metros de altura e 150 metros de largura. H\u00e1 tamb\u00e9m uma quantidade significativa de \u00e1gua fluindo nas torres. A casca em si \u00e9 normalmente feita de concreto em formato hiperb\u00f3lico. A torre de resfriamento com tiragem natural \u00e9 a escolha preferida para climas frios e \u00famidos e para cargas pesadas de inverno.<\/p>\n\n\n\n<p>A \u00e1gua quente que necessita de resfriamento na torre de resfriamento de tiragem natural \u00e9 bombeada atrav\u00e9s da entrada de \u00e1gua quente. A entrada \u00e9 conectada a bicos que borrifam \u00e1gua sobre o material de preenchimento, o que proporciona uma grande \u00e1rea de superf\u00edcie para transfer\u00eancia de calor. Na parte inferior da torre, a estrutura \u00e9 aberta para aspirar ar fresco, que ent\u00e3o flui para cima e permite a transfer\u00eancia de calor por contato direto entre a \u00e1gua quente e o ar. A \u00e1gua quente libera calor ap\u00f3s entrar em contato direto com o ar fresco, e parte da \u00e1gua quente evapora. A \u00e1gua fria \u00e9 coletada na parte inferior da torre.<\/p>\n\n\n\n<p>O ar quente e \u00famido \u00e9 descarregado do topo da torre para a atmosfera.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vantagens das torres de resfriamento de tiragem natural<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Nenhum ventilador el\u00e9trico est\u00e1 instalado, portanto, economia de energia<\/li><li>Sem problemas de corros\u00e3o<\/li><li>A manuten\u00e7\u00e3o \u00e9 baixa<\/li><li>Nenhuma recircula\u00e7\u00e3o de ar ocorre devido \u00e0 sa\u00edda alta da pilha<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Desvantagens Torres de resfriamento de tiragem natural<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u00c9 necess\u00e1rio um enorme fluxo de \u00e1gua.<\/li><li>Estes requerem uma grande \u00e1rea.<\/li><li>Seu desempenho depende da velocidade e dire\u00e7\u00e3o do vento.<\/li><\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">O que \u00e9 uma torre de resfriamento de tiragem mec\u00e2nica?<\/h2>\n\n\n\n<p>Torres de resfriamento de tiragem induzida s\u00e3o um tipo de torre de tiragem mec\u00e2nica que possui um ou mais ventiladores. Esses ventiladores ficar\u00e3o localizados no topo da torre, puxando o ar para cima contra o fluxo descendente da \u00e1gua. A \u00e1gua \u00e9 passada ao redor da embalagem ou deck de madeira. Nestes modelos, a \u00e1gua mais fria fica no fundo, entrando em contato com o ar mais seco, pois o fluxo de ar \u00e9 contr\u00e1rio ao fluxo de \u00e1gua.<\/p>\n\n\n\n<p>Com a \u00e1gua mais quente encontrada perto do topo da torre em contato com o ar \u00famido, isso resulta em uma transfer\u00eancia de calor incrivelmente eficiente. As torres induzidas ter\u00e3o formato redondo ou quadrado, distribuindo \u00e1gua por meio de um sprinkler ou sistema de ramal est\u00e1tico. A \u00e1gua que entra \u00e9 injetada em toda a torre com um coletor de distribui\u00e7\u00e3o de pulveriza\u00e7\u00e3o. O spray \u00e9 direcionado para baixo para maximizar o contato entre \u00e1gua e ar. Este processo \u00e9 maximizado pelo enchimento de \u00e1gua de resfriamento, que \u00e9 feito de madeira, metal, PVC ou outros materiais. Em geral, os modelos de tiragem induzida oferecem a solu\u00e7\u00e3o mais eficaz para as necessidades de refrigera\u00e7\u00e3o de qualquer ind\u00fastria.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Princ\u00edpio da torre de resfriamento de tiragem mec\u00e2nica<\/h2>\n\n\n\n<p>A \u00e1gua de condicionamento que flui \u00e9 pulverizada por toda a esta\u00e7\u00e3o de resfriamento com um cabe\u00e7ote de dispers\u00e3o de pulveriza\u00e7\u00e3o em uma torre de resfriamento com tiragem induzida. A \u00e1gua flui verticalmente atrav\u00e9s dos defletores para maximizar o tempo que a \u00e1gua passa em contato com o ar.<\/p>\n\n\n\n<p>O enchimento de \u00e1gua de resfriamento, composto por Upvc, madeira, metal ou outro elemento, maximiza a \u00e1rea de contato de transfer\u00eancia de calor.<\/p>\n\n\n\n<p>Atrav\u00e9s de &#039;pain\u00e9is de carroceria&#039; corretamente constru\u00eddos, o ar entra no interior da torre de resfriamento. Enormes ventiladores puxam o ar pela regi\u00e3o confusa, fazendo com que a \u00e1gua esfrie. Dispositivos especiais conhecidos como eliminadores de deriva s\u00e3o empregados para evitar que got\u00edculas de \u00e1gua fiquem presas no fluxo de ar que sai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vantagens da torre de resfriamento de tiragem mec\u00e2nica<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>Baixa capacidade absorvida.<\/li><li>N\u00edvel de ru\u00eddo mais elevado do que a tiragem for\u00e7ada.<\/li><li>Acionamento do fluxo de ar \u00famido.<\/li><li>Requer pouco espa\u00e7o para instala\u00e7\u00e3o.<\/li><\/ul>\n\n\n\n<p>Em uma torre de tiragem mec\u00e2nica, o fluxo de ar \u00e9 criado usando um ou mais ventiladores. Uma torre de resfriamento de tiragem induzida usa os ventiladores no topo da torre para criar uma \u00e1rea de baixa press\u00e3o. Isso faz com que o ar flua pelas laterais da torre at\u00e9 o topo. Nesta situa\u00e7\u00e3o, a \u00e1gua entra pelas tubula\u00e7\u00f5es de entrada e se espalha em calhas. Bicos direcionam a \u00e1gua dos bebedouros para o interior da torre. A embalagem retarda a \u00e1gua \u00e0 medida que ela cai atrav\u00e9s da torre e tamb\u00e9m a quebra em pequenas gotas. Ambas as a\u00e7\u00f5es permitem uma melhor transfer\u00eancia de calor. \u00c0 medida que a \u00e1gua desce em cascata pela torre atrav\u00e9s das camadas de enchimento, um ventilador aspira o ar atrav\u00e9s de um conjunto de venezianas, ao redor do enchimento e, em seguida, atrav\u00e9s de um eliminador de deriva. O eliminador de deriva ret\u00e9m got\u00edculas de \u00e1gua que poderiam ser transportadas junto com o ar que sai da torre. A \u00e1gua est\u00e1 fria quando chega \u00e0 bacia de capta\u00e7\u00e3o. A \u00e1gua fria \u00e9 ent\u00e3o retirada da torre atrav\u00e9s da linha de sa\u00edda e devolvida aos equipamentos da planta para reutiliza\u00e7\u00e3o.<\/p>\n\n\n\n<p>Outro tipo de torre de tiragem mec\u00e2nica \u00e9 a torre de resfriamento de tiragem for\u00e7ada. A principal diferen\u00e7a entre uma tiragem induzida e uma torre de tiragem for\u00e7ada \u00e9 que uma tiragem for\u00e7ada n\u00e3o cria uma \u00e1rea de baixa press\u00e3o que puxa o ar para cima atrav\u00e9s da torre. Em vez disso, os ventiladores for\u00e7am ou empurram o ar para cima atrav\u00e9s da torre. As torres de tiragem for\u00e7ada n\u00e3o possuem venezianas nas laterais, mas sim ventiladores com telas que direcionam o fluxo de ar para dentro da torre. \u00c0 medida que a \u00e1gua de resfriamento desce em cascata do topo da torre, os ventiladores for\u00e7am o ar para cima atrav\u00e9s da torre e ocorre o processo de transfer\u00eancia de calor.<\/p>\n\n\n\n<p>Existem alguns componentes que s\u00e3o comuns \u00e0 maioria das torres. Por exemplo, muitas torres s\u00e3o divididas em c\u00e9lulas. Cada c\u00e9lula cont\u00e9m todos os componentes de uma \u00fanica torre, exceto que compartilham uma bacia de capta\u00e7\u00e3o comum. Para controlar melhor o resfriamento, cada c\u00e9lula de uma torre pode ser colocada em servi\u00e7o ou fora de servi\u00e7o de forma independente. Outros componentes comuns s\u00e3o linhas de purga e de compensa\u00e7\u00e3o. \u00c0 medida que a \u00e1gua na torre evapora, a concentra\u00e7\u00e3o de impurezas aumenta e pode causar problemas. Para controlar a concentra\u00e7\u00e3o de impurezas, a \u00e1gua \u00e9 periodicamente descarregada da bacia de capta\u00e7\u00e3o atrav\u00e9s da linha de purga. Essa \u00e1gua \u00e9 ent\u00e3o substitu\u00edda por \u00e1gua limpa atrav\u00e9s da linha de maquiagem. O fluxo atrav\u00e9s da linha de reposi\u00e7\u00e3o \u00e9 controlado por uma v\u00e1lvula de controle que geralmente possui uma b\u00f3ia que detecta o n\u00edvel na bacia de capta\u00e7\u00e3o. \u00c0 medida que o n\u00edvel muda, a b\u00f3ia muda de posi\u00e7\u00e3o e envia um sinal para a v\u00e1lvula de controle que regula o fluxo de \u00e1gua no sistema.<\/p>\n\n\n\n<!-- Andy:h-related-tags -->\n<h2 id=\"h-related-tags\">Etiquetas relacionadas :<\/h2>\n<!-- \/Andy:h-related-tags -->\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/\">V\u00e1lvula ZECO<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/gate-valve-problems.html\/\">Reparo de v\u00e1lvula gaveta<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/advantages-and-disadvantages-of-globe-valves.html\/\">O que \u00e9 uma v\u00e1lvula de globo?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/the-function-of-globe-valve-in-pipeline-system.html\/\">O que s\u00e3o v\u00e1lvulas globo?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/produto\/manual-gate-valve\/\">V\u00e1lvula de gaveta de acionamento manual Fabricante<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/what-is-an-axial-flow-silent-check-valve.html\/\">O que \u00e9 uma v\u00e1lvula de reten\u00e7\u00e3o axial<\/a>\n\n<\/div>\n\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/difference-between-gate-valve-and-butterfly-valve.html\/\">Diferen\u00e7a entre a v\u00e1lvula de gaveta e a v\u00e1lvula de borboleta<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/china-gate-valves-suppliersnon-rising-stem-gate-valvesks-gate-valves.html\/\">O que \u00e9 uma v\u00e1lvula de gaveta?<\/a>\n\n<\/div>\n\n\n\n<div class=\"re_main\">\n<a href=\"https:\/\/zecovalve.com\/pt\/tag\/shanghai-pressure-reducing-valve-factory\/\">F\u00e1brica de v\u00e1lvulas redutoras de press\u00e3o de Xangai<\/a>\n\n<\/div>\n\n\n<p><\/p>\n<p>Dez artigos antes e depois<\/p>\n<p><a href=\"https:\/\/zecovalve.com\/pt\/hello-world.html\/\">Ol\u00e1 Mundo!<\/a><\/p>\n<p><a href=\"https:\/\/zecovalve.com\/pt\/gate-valve-vs-butterfly-valve-comprehensive-compare-guide.html\/\">Guia abrangente de compara\u00e7\u00e3o entre v\u00e1lvula gaveta e v\u00e1lvula borboleta<\/a><\/p>\n<p><a href=\"https:\/\/zecovalve.com\/pt\/how-to-measure-butterfly-valves.html\/\">Como medir v\u00e1lvulas borboleta<\/a><\/p>\n<p><a href=\"https:\/\/zecovalve.com\/pt\/what-is-a-double-offset-butterfly-valve.html\/\">O que \u00e9 uma v\u00e1lvula borboleta de duplo deslocamento<\/a><\/p>\n<p><a href=\"https:\/\/zecovalve.com\/pt\/how-to-fix-a-leaking-butterfly-valve.html\/\">Como consertar uma v\u00e1lvula borboleta com vazamento?<\/a><\/p>\n<p><a href=\"https:\/\/zecovalve.com\/pt\/pressure-reducing-valves-for-steam-opimization-zeco-valve-blog.html\/\">V\u00e1lvulas Redutoras de Press\u00e3o para Otimiza\u00e7\u00e3o de Vapor | Blog da V\u00e1lvula Zeco<\/a><\/p>\n<p><a href=\"https:\/\/zecovalve.com\/pt\/weld-in-place-ball-valves-a-unique-design-approach-zeco-valve-blog.html\/\">V\u00e1lvulas esfera soldadas no local \u2013 uma abordagem de design exclusiva | Blog da V\u00e1lvula Zeco<\/a><\/p>\n<p><a href=\"https:\/\/zecovalve.com\/pt\/a-fluid-velocity-tutorial-zeco-valve-blog.html\/\">Um tutorial sobre velocidade de fluido | Blog da V\u00e1lvula Zeco<\/a><\/p>\n<p><a href=\"https:\/\/zecovalve.com\/pt\/hydrostatic-tank-level-measurement-zeco-valve-blog.html\/\">Medi\u00e7\u00e3o de n\u00edvel de tanque hidrost\u00e1tico | Blog da V\u00e1lvula Zeco<\/a><\/p>\n<p><a href=\"https:\/\/zecovalve.com\/pt\/resilient-seated-and-high-performance-butterfly-valves-zeco-valve-blog.html\/\">V\u00e1lvulas borboleta de sede resiliente e de alto desempenho | Blog da V\u00e1lvula Zeco<\/a><\/p>\n<p><!-- \/wam:article --><\/p>","protected":false},"excerpt":{"rendered":"<p>Em muitas instala\u00e7\u00f5es industriais, v\u00e1rios equipamentos, bem como muitos fluidos utilizados em sistemas de processo, precisam ser resfriados. Esse \u2026 <a title=\"Torre de resfriamento de tiragem natural e torre de resfriamento de tiragem mec\u00e2nica\" class=\"read-more\" href=\"https:\/\/zecovalve.com\/pt\/natural-draft-and-mechanical-draft-cooling-tower-fundamentals-zeco-valve-blog.html\" aria-label=\"Mais em Torre de resfriamento de tiragem natural e torre de resfriamento de tiragem mec\u00e2nica\">Ler mais<\/a><\/p>","protected":false},"author":2,"featured_media":26718,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","kt_blocks_editor_width":"","footnotes":""},"categories":[1],"tags":[2383,2150,2749,2382,2384,2381],"class_list":["post-2165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized","tag-cooling-tower-types","tag-cooling-tower-valves","tag-cooling-tower-valves-suppliers","tag-induced-draft-cooling-tower","tag-mechanical-draft-cooling-tower","tag-natural-draft-cooling-tower","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"featured_image_src_large":["https:\/\/zecovalve.com\/wp-content\/uploads\/2021\/12\/deltacooling-product.jpg",690,540,false],"author_info":{"display_name":"Jerry","author_link":"https:\/\/zecovalve.com\/pt\/author\/jerry"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":452,"filter":"raw","cat_ID":1,"category_count":452,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":[{"term_id":2383,"name":"cooling tower types","slug":"cooling-tower-types","term_group":0,"term_taxonomy_id":2383,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2150,"name":"Cooling Tower Valves","slug":"cooling-tower-valves","term_group":0,"term_taxonomy_id":2150,"taxonomy":"post_tag","description":"<!-- wp:generateblocks\/button-container {\"uniqueId\":\"6d8495a3\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"3d442e11\",\"hasUrl\":true,\"target\":true,\"backgroundColor\":\"#0366d6\",\"textColor\":\"#ffffff\",\"backgroundColorHover\":\"#222222\",\"textColorHover\":\"#ffffff\",\"paddingTop\":\"15\",\"paddingRight\":\"20\",\"paddingBottom\":\"15\",\"paddingLeft\":\"20\"} -->\r\n<a class=\"gb-button gb-button-3d442e11 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET COOLING TOWER VALVES PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_24532c-4c\"} \/-->\r\n\r\n<!-- wp:heading -->\r\n<h2>What are Cooling Towers?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCooling towers are a critical need for any industrial and manufacturing operation. Their role in extracting heat and delivering it to the atmosphere through evaporative cooling leverages the principle of heat rejection. The essential element of a cooling tower is water that is delivered through a piping system. These steady flow devices cool the water by evaporation with direct contact with the air. Evaporatively cooled equipment like cooling towers typically utilizes a multi-cell configuration. While these systems offer improved efficiency, operational flexibility, and advanced controls, they can only perform as well as their hardware is designed and built. One of the most important components of a cooling tower is its valves.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-cooling-tower-valves\">Cooling Tower Valves<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCooling tower valves are devices designed to control, regulate, distribute, and allow, or disallow the passage of water through certain parts of the cooling tower\u2019s system. The different valves throughout a cooling tower system play an important role in their performance and the overall operation of your facility. The types of valves needed will depend on the flow capacity and the size of the piping in the cooling tower. Temperature and pressure are also critical considerations when it comes to valve selection.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Choosing Cooling Tower Valves<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nRegarding cooling systems, the valves that are selected typically are going to be flow control valves and isolation (shutoff and bypass) valves. There are important questions to consider before picking the valve for the cooling system.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe first thing to consider is the flow capacity. When considering the size required by the cooling application, it is easy to narrow down the valve that should be chosen. An important thing to remember in valve selection is the pipe size.\r\nWhat flow capacity is needed for the cooling system?\r\nWhat size piping will be used?\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nTemperature and pressure are the next critical pieces to look at when determining the control valves to use for a cooling system. The valve pressure\/temperature rating must be within the system design parameters. The first factor that should be considered is the maximum pressure that the cooling system is going to have to hold to determine the valve rating. Along with pressure comes the capacity of the system. Consider the following three options when examining the pressure level and relative capacity of the cooling system:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Small-diameter pipe (0.5 to 2\u201d): globe control valve<\/li>\r\n \t<li>Mid-diameter pipe (3 to 6\u201d): segmented ball valve<\/li>\r\n \t<li>Large-diameter pipe (8\u201d and above): high performance butterfly valve (HPBV)<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nDifferent types of isolation valves also are considered based on pressure and related capacity:\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Small-diameter pipe: two piece ball valve or three piece ball valve<\/li>\r\n \t<li>Mid-diameter pipe: 3 piece ball valve or flanged ball valve<\/li>\r\n \t<li>Large-diameter pipe: butterfly valve<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nThe capacity of the system as it relates to the diameter of the piping is an important aspect to consider when putting the cooling system together.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":4,"filter":"raw"},{"term_id":2749,"name":"Cooling Tower Valves Suppliers","slug":"cooling-tower-valves-suppliers","term_group":0,"term_taxonomy_id":2749,"taxonomy":"post_tag","description":"<!-- wp:paragraph -->\r\n\r\nCooling towers are a critical need for any industrial and manufacturing operation. Their role in extracting heat and delivering it to the atmosphere through evaporative cooling leverages the principle of heat rejection. The essential element of a cooling tower is water that is delivered through a piping system. These steady flow devices cool the water by evaporation with direct contact with the air. Evaporatively cooled equipment like cooling towers typically utilizes a multi-cell configuration. While these systems offer improved efficiency, operational flexibility, and advanced controls, they can only perform as well as their hardware is designed and built. One of the most important components of a cooling tower is its valves. This is why ZECO offers cooling tower valves to optimize the performance of your cooling towers, reduce downtime, and eliminate maintenance.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:kadence\/tableofcontents {\"uniqueID\":\"_7bd7e9-a7\"} \/-->\r\n\r\n<!-- wp:generateblocks\/button-container {\"uniqueId\":\"6d8495a3\",\"isDynamic\":true,\"blockVersion\":2} -->\r\n<!-- wp:generateblocks\/button {\"uniqueId\":\"3d442e11\",\"hasUrl\":true,\"target\":true,\"backgroundColor\":\"#0366d6\",\"textColor\":\"#ffffff\",\"backgroundColorHover\":\"#222222\",\"textColorHover\":\"#ffffff\",\"paddingTop\":\"15\",\"paddingRight\":\"20\",\"paddingBottom\":\"15\",\"paddingLeft\":\"20\"} -->\r\n<a class=\"gb-button gb-button-3d442e11 gb-button-text\" href=\"mailto:commercial@zecovalve.com\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>GET COOLING TOWER VALVES PRICE<\/strong><\/a>\r\n<!-- \/wp:generateblocks\/button -->\r\n<!-- \/wp:generateblocks\/button-container -->\r\n\r\n<!-- wp:heading -->\r\n<h2 id=\"h-what-is-cooling-tower-valve\">What is Cooling Tower Valve?<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nCooling tower valves are devices designed to control, regulate, distribute, and allow, or disallow the passage of water through certain parts of the cooling tower\u2019s system. The different valves throughout a cooling tower system play an important role in their performance and the overall operation of your facility. The types of valves needed will depend on the flow capacity and the size of the piping in the cooling tower. Temperature and pressure are also critical considerations when it comes to valve selection.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Features of Cooling Tower Valves<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nZECO flow control valves have a simple &amp; reliable design and are available in the capacity range of 300 to 2200 m3\/h and size ranges of 150 to 300 NB. They are built specifically for cooling tower use and ensure low head losses. They are made of heavy-duty cast iron bodies and have a stainless steel valve stem. We also coat our control valves with a layer of the protective coating that resists corrosion.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:list -->\r\n<ul>\r\n \t<li>Simple and reliable design<\/li>\r\n \t<li>Low head loss<\/li>\r\n \t<li>Heavy-duty cast iron body and stainless steel valve stem<\/li>\r\n \t<li>Available in the capacity range from 300 to 2200 CMH<\/li>\r\n \t<li>Size range 150 NB to 500 NB<\/li>\r\n \t<li>Special protective coatings available for corrosive atmosphere<\/li>\r\n<\/ul>\r\n<!-- \/wp:list -->\r\n\r\n<!-- wp:heading -->\r\n<h2>Cooling Tower Valves Suppliers<\/h2>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>Magnatrol Valve Corp.<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nManufacturer of two-way bronze &amp; stainless steel solenoid valves designed for standard applications in sizes from 3\/8 in. to 3 in. for pressures up to 500 PSIG. Also manufacturer of two-way solenoid valves in sizes from 1\/4 in. to 2 in. for pressures up to 15,000 PSIG. Rotary Style valves designed to handle dirty &amp; viscous liquids, constructed of stainless steel, Monel, Hastelloy C &amp; Titanium available 1\/2 in. to 6 in. Fire link valves &amp; latching valves are also available.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>DFT Inc.<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nManufacturer of custom and standard cooling tower distribution valves. Various types include wafer check, flanged, sanitary, and restrictor valves. Available in various sizes. Suitable for liquid, gas, or steam applications. Building maintenance, chemical processing, food, beverage, pharmaceutical, gas transmission, mining, petroleum refining, power generation, pulp and paper, and textiles industries served. Meets ASME and ANSI standards.\r\n\r\n<!-- \/wp:paragraph -->\r\n\r\n<!-- wp:heading {\"level\":3} -->\r\n<h3>ZECO Valve<\/h3>\r\n<!-- \/wp:heading -->\r\n\r\n<!-- wp:paragraph -->\r\n\r\nDistributor of steam specialty and fluid control devices. Products available include valves, pressure and temperature regulators, desuperheaters, noise reduction devices, steam separators and filters, condensate pump systems, steam traps, strainers, actuators, pneumatic controllers, pipe couplings, suction diffusers, condensate drains, steam filters, mufflers, pilots, noise suppressors, pressure transmitters, and unions. Steam traps, clean steam products, and cryogenic valves are also available.\r\n\r\n<!-- \/wp:paragraph -->","parent":0,"count":7,"filter":"raw"},{"term_id":2382,"name":"induced draft cooling tower","slug":"induced-draft-cooling-tower","term_group":0,"term_taxonomy_id":2382,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2384,"name":"mechanical draft cooling tower","slug":"mechanical-draft-cooling-tower","term_group":0,"term_taxonomy_id":2384,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"},{"term_id":2381,"name":"natural draft cooling tower","slug":"natural-draft-cooling-tower","term_group":0,"term_taxonomy_id":2381,"taxonomy":"post_tag","description":"","parent":0,"count":1,"filter":"raw"}],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}],"post_tag":[{"value":2383,"label":"cooling tower types"},{"value":2150,"label":"Cooling Tower Valves"},{"value":2749,"label":"Cooling Tower Valves Suppliers"},{"value":2382,"label":"induced draft cooling tower"},{"value":2384,"label":"mechanical draft cooling tower"},{"value":2381,"label":"natural draft cooling tower"}]},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v15.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Natural Draft Cooling Tower &amp; Mechanical Draft Cooling Tower | ZECO<\/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:\/\/zecovalve.com\/pt\/natural-draft-and-mechanical-draft-cooling-tower-fundamentals-zeco-valve-blog.html\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Natural Draft Cooling Tower &amp; Mechanical Draft Cooling Tower | ZECO\" \/>\n<meta property=\"og:description\" content=\"In many industrial facilities, various pieces of equipment, as well as many fluids used in process systems need to be cooled.&nbsp; This ... 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