{"id":9923,"date":"2021-09-17T09:00:18","date_gmt":"2021-09-17T08:00:18","guid":{"rendered":"https:\/\/vaporparalaindustria.com\/?p=9923"},"modified":"2022-01-26T16:53:42","modified_gmt":"2022-01-26T15:53:42","slug":"instalacion-de-controles-de-nivel-de-agua-en-calderas-de-vapor","status":"publish","type":"post","link":"https:\/\/vaporparalaindustria.com\/pt\/instalacion-de-controles-de-nivel-de-agua-en-calderas-de-vapor\/","title":{"rendered":"Instala\u00e7\u00e3o de controles de n\u00edvel de \u00e1gua em caldeiras de vapor"},"content":{"rendered":"<p class=\"p1\">Como j\u00e1 sabemos, o n\u00edvel da \u00e1gua em uma caldeira a vapor varia consideravelmente como resultado disso:<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<ul class=\"ul1\">\n<li class=\"li1\">O fardo.<\/li>\n<li class=\"li1\">A taxa de mudan\u00e7a de carga.<\/li>\n<li class=\"li1\">Circula\u00e7\u00e3o da \u00e1gua dentro da caldeira.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<\/ul>\n<p class=\"p1\">Estas circunst\u00e2ncias combinam-se para tornar muito dif\u00edcil monitorizar e controlar com precis\u00e3o o n\u00edvel da \u00e1gua da caldeira. \u00c9 necess\u00e1ria uma zona calma de \u00e1gua, que seja representativa do n\u00edvel real da \u00e1gua da caldeira. Com controles de n\u00edvel do tipo flutuador e sonda, isso \u00e9 conseguido de duas maneiras, e estas s\u00e3o c\u00e2maras externas e tubos de prote\u00e7\u00e3o internos:<\/p>\n<p>&nbsp;<\/p>\n<h4 class=\"p4\"><b>C\u00e2meras externas<\/b><\/h4>\n<p class=\"p1\">Estas s\u00e3o c\u00e2maras montadas externamente que t\u00eam conex\u00f5es com a caldeira. Eles est\u00e3o normalmente, mas nem sempre, equipados com controles de b\u00f3ia. Alguns arranjos t\u00edpicos s\u00e3o mostrados na figura abaixo:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26505\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor.png\" alt=\"\" width=\"2156\" height=\"2070\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-12x12.png 12w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-150x144.png 150w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-300x288.png 300w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-600x576.png 600w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-625x600.png 625w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-768x737.png 768w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1024x983.png 1024w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1536x1475.png 1536w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2048x1966.png 2048w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor.png 2156w\" sizes=\"auto, (max-width: 2156px) 100vw, 2156px\" \/><\/p>\n<p class=\"p5\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-9924\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor.png\" alt=\"\" width=\"2156\" height=\"2070\" \/><\/p>\n<p class=\"p5\">\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26507\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1.png\" alt=\"\" width=\"2284\" height=\"1412\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1-18x12.png 18w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1-150x93.png 150w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1-300x185.png 300w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1-600x371.png 600w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1-768x475.png 768w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1-800x495.png 800w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1-1024x633.png 1024w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1-1536x950.png 1536w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1-2048x1266.png 2048w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-1.png 2284w\" sizes=\"auto, (max-width: 2284px) 100vw, 2284px\" \/><\/p>\n<p class=\"p1\">S\u00e3o necess\u00e1rias duas c\u00e2maras externas:<\/p>\n<ul class=\"ul1\">\n<li class=\"li1\">Uma c\u00e2mara aloja o controle de n\u00edvel e o primeiro alarme de n\u00edvel baixo.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<li class=\"li1\">Os outros alojam o segundo alarme de n\u00edvel baixo e o alarme de n\u00edvel alto (se instalado).<\/li>\n<\/ul>\n<p class=\"p1\">Isto assegura que os dois alarmes de baixo n\u00edvel estejam em c\u00e2maras separadas.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p class=\"p1\">As c\u00e2maras exteriores est\u00e3o equipadas com \"v\u00e1lvulas de purga sequencial\" e (opcionalmente) com v\u00e1lvulas de corte de vapor.<\/p>\n<p class=\"p1\">Nota: Se forem instaladas v\u00e1lvulas de corte, os regulamentos actuais exigem que estas sejam bloqueadas na posi\u00e7\u00e3o aberta.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p class=\"p1\">Tradicionalmente, os controles de flutua\u00e7\u00e3o s\u00e3o instalados nas c\u00e2maras externas, embora as sondas funcionem igualmente bem e tenham a vantagem de n\u00e3o ter pe\u00e7as m\u00f3veis para desgastar.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26508\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2.png\" alt=\"\" width=\"2180\" height=\"1268\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2-18x10.png 18w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2-150x87.png 150w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2-300x174.png 300w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2-600x349.png 600w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2-768x447.png 768w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2-800x465.png 800w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2-1024x596.png 1024w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2-1536x893.png 1536w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2-2048x1191.png 2048w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-2.png 2180w\" sizes=\"auto, (max-width: 2180px) 100vw, 2180px\" \/><\/p>\n<p class=\"p5\">\n<p>&nbsp;<\/p>\n<h4 class=\"p4\"><b>Tubos de prote\u00e7\u00e3o internos<span class=\"Apple-converted-space\">\u00a0<\/span><\/b><\/h4>\n<p class=\"p1\">Para controles diretos de n\u00edvel montados, s\u00e3o necess\u00e1rios tubos de prote\u00e7\u00e3o a serem instalados dentro do corpo da caldeira, como mostrado na figura seguinte:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26509\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3.png\" alt=\"\" width=\"2232\" height=\"1302\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3-18x12.png 18w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3-150x88.png 150w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3-300x175.png 300w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3-600x350.png 600w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3-768x448.png 768w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3-800x467.png 800w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3-1024x597.png 1024w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3-1536x896.png 1536w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3-2048x1195.png 2048w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-3.png 2232w\" sizes=\"auto, (max-width: 2232px) 100vw, 2232px\" \/><\/p>\n<p class=\"p5\">\n<p class=\"p1\">O primeiro e segundo dispositivos de baixo n\u00edvel devem ser montados em tubos de protec\u00e7\u00e3o separados de modo a serem completamente independentes um do outro.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p class=\"p1\">Os tubos de prote\u00e7\u00e3o em si n\u00e3o s\u00e3o itens padr\u00e3o e s\u00e3o fabricados especificamente para cada caldeira individual. No entanto, como o desenho dos tubos de prote\u00e7\u00e3o pode ter um efeito importante sobre o funcionamento satisfat\u00f3rio dos controles de n\u00edvel, o seguinte pode servir como orienta\u00e7\u00e3o para o seu desenho e instala\u00e7\u00e3o:<\/p>\n<ul class=\"ul1\">\n<li class=\"li1\"><b>Di\u00e2metro.<\/b> Um tubo de prote\u00e7\u00e3o de 80 mm de di\u00e2metro interno garantir\u00e1 condi\u00e7\u00f5es est\u00e1veis e proporcionar\u00e1 espa\u00e7o suficiente para a centraliza\u00e7\u00e3o da sonda. Quando duas sondas (por exemplo, sonda de controle de n\u00edvel\/alto n\u00edvel de alarme e sonda de alarme de n\u00edvel baixo com auto-monitoramento) devem ser instaladas em um \u00fanico tubo de prote\u00e7\u00e3o, geralmente \u00e9 necess\u00e1rio que tenham 100 mm de di\u00e2metro interno.<\/li>\n<li class=\"li1\"><b>Comprimento.<\/b> O tubo de prote\u00e7\u00e3o deve ir entre os tubos da caldeira o mais baixo fisicamente poss\u00edvel.<\/li>\n<\/ul>\n<h5 class=\"p4\"><b>Localiza\u00e7\u00e3o<\/b><\/h5>\n<p class=\"p1\">Quando existem diferentes posi\u00e7\u00f5es de instala\u00e7\u00e3o da sonda, as recomenda\u00e7\u00f5es gerais s\u00e3o as seguintes:<\/p>\n<ul class=\"ul1\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul1\">\n<li style=\"list-style-type: none;\">\n<ul class=\"ul1\">\n<li class=\"li1\">O mais longe poss\u00edvel das conex\u00f5es de sa\u00edda de vapor e da v\u00e1lvula de seguran\u00e7a (m\u00ednimo 1 m), mas n\u00e3o muito perto das placas de fundo da caldeira.<\/li>\n<li class=\"li1\">T\u00e3o pr\u00f3ximo quanto poss\u00edvel do indicador de n\u00edvel. As liga\u00e7\u00f5es perto da frente s\u00e3o as mais convenientes.<\/li>\n<li class=\"li1\">Instala\u00e7\u00e3o em tubos de protec\u00e7\u00e3o com orif\u00edcios na parte superior e inferior para a entrada de vapor e \u00e1gua, com a parte inferior tapada para evitar a entrada de bolhas de vapor e sem ranhuras longas ao longo do tubo de protec\u00e7\u00e3o.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p class=\"p5\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26510\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4.png\" alt=\"\" width=\"1768\" height=\"2252\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4-9x12.png 9w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4-118x150.png 118w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4-236x300.png 236w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4-471x600.png 471w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4-600x764.png 600w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4-768x978.png 768w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4-804x1024.png 804w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4-1206x1536.png 1206w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4-1608x2048.png 1608w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-4.png 1768w\" sizes=\"auto, (max-width: 1768px) 100vw, 1768px\" \/><\/p>\n<p class=\"p5\">\n<p class=\"p1\">H\u00e1 uma s\u00e9rie de vantagens importantes no uso de controles montados em tubos.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p class=\"p1\">interno:<\/p>\n<ul class=\"ul1\">\n<li class=\"li1\">Esta \u00e9 geralmente uma alternativa mais barata em uma nova caldeira, uma vez que o custo de dois ou tr\u00eas tubos de prote\u00e7\u00e3o \u00e9 geralmente inferior a duas c\u00e2maras de controle externo e as v\u00e1lvulas de sopro seq\u00fcenciais associadas.<\/li>\n<li class=\"li1\">\u00c9 poss\u00edvel tirar o m\u00e1ximo partido dos avan\u00e7os da electr\u00f3nica oferecidos pela tecnologia moderna.<span class=\"Apple-converted-space\">\u00a0<\/span><\/li>\n<\/ul>\n<h5 class=\"p4\"><b>Controles de flutua\u00e7\u00e3o<span class=\"Apple-converted-space\">\u00a0<\/span><\/b><\/h5>\n<p class=\"p1\">Embora a tend\u00eancia seja para o uso de controles do tipo sonda montados internamente, ainda \u00e9 comum ver controles de b\u00f3ia, com a b\u00f3ia dentro do corpo da caldeira por meio de uma flange e um tubo de prote\u00e7\u00e3o.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<h5 class=\"p4\"><b>Modelos padr\u00e3o<span class=\"Apple-converted-space\">\u00a0<\/span><\/b><\/h5>\n<p class=\"p1\">Os controles de b\u00f3ia montados internamente empregam os mesmos princ\u00edpios de opera\u00e7\u00e3o e pe\u00e7as equivalentes aos da c\u00e2mara montada, exceto que a c\u00e2mara \u00e9 substitu\u00edda por um grande conjunto de flange e tubo de prote\u00e7\u00e3o para montar o controle diretamente na conex\u00e3o do corpo da caldeira. O tubo de prote\u00e7\u00e3o pode ser fixo ou remov\u00edvel e garantir\u00e1 que a haste do flutuador n\u00e3o seja danificada e que o movimento vertical correto seja alcan\u00e7ado.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<h5 class=\"p4\"><b>Controles de flutua\u00e7\u00e3o montados internamente com dispositivo de teste<\/b><\/h5>\n<p class=\"p1\">Os controles de flutua\u00e7\u00e3o montados internamente podem incorporar um dispositivo para testar o funcionamento do mecanismo sem ter que baixar o n\u00edvel da \u00e1gua dentro da caldeira. O teste pode ser manual, ou iniciado\/controlado por um temporizador. O teste \u00e9 alcan\u00e7ado baixando o flutuador para o n\u00edvel de \u00e1gua de alarme.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<h5 class=\"p4\"><b>Dispositivo de teste de canais hidr\u00e1ulicos<span class=\"Apple-converted-space\">\u00a0<\/span><\/b><\/h5>\n<p class=\"p1\">A verifica\u00e7\u00e3o \u00e9 feita baixando o flutuador para o n\u00edvel de \u00e1gua de alarme baixo como se segue: Na haste do flutuador h\u00e1 um canal acima do flutuador que \u00e9 alimentado durante aproximadamente 24 segundos com \u00e1gua da bomba de alimenta\u00e7\u00e3o da caldeira, atrav\u00e9s de um pequeno tubo e v\u00e1lvulas, atrav\u00e9s da flange de montagem do controle, como mostra a figura a seguir:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-26511\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-5.png\" alt=\"\" width=\"1936\" height=\"1664\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-5-14x12.png 14w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-5-150x129.png 150w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-5-300x258.png 300w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-5-600x516.png 600w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-5-698x600.png 698w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-5-768x660.png 768w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-5-1024x880.png 1024w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-5-1536x1320.png 1536w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/09\/Instalacio\u0301n-de-controles-de-nivel-de-agua-en-calderas-de-vapor-5.png 1936w\" sizes=\"auto, (max-width: 1936px) 100vw, 1936px\" \/><\/p>\n<p class=\"p5\">\n<p class=\"p1\">O peso adicional supera a flutua\u00e7\u00e3o do flutuador causando o seu afundamento. Isto faz com que o queimador se desligue e aciona o sistema de alarme. Ap\u00f3s fechar a v\u00e1lvula de reten\u00e7\u00e3o na linha de inje\u00e7\u00e3o de \u00e1gua, um pequeno orif\u00edcio no fundo da panela drena a \u00e1gua, permitindo que o flutuador suba at\u00e9 a altura da posi\u00e7\u00e3o normal de opera\u00e7\u00e3o. O controle do abastecimento de \u00e1gua ao bebedouro tamb\u00e9m pode ser feito por meio de uma v\u00e1lvula solen\u00f3ide que pode ser operada por um temporizador ou por um bot\u00e3o de acionamento manual.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<h5 class=\"p4\"><b>Dispositivo de teste eletromagn\u00e9tico<span class=\"Apple-converted-space\">\u00a0<\/span><\/b><\/h5>\n<p class=\"p1\">A cabe\u00e7a inclui uma bobina electromagn\u00e9tica por baixo do conjunto do interruptor. Este envolve um n\u00facleo, que est\u00e1 localizado no interior do tubo central de a\u00e7o inoxid\u00e1vel e fixado \u00e0 haste flutuante.<\/p>\n<p class=\"p1\">Para iniciar o ciclo de teste, a bobina \u00e9 energizada por meio de um temporizador ou de um bot\u00e3o de acionamento manual, empurrando o flutuador para baixo, fazendo o queimador parar e acionando o sistema de alarme. Quando a bobina n\u00e3o est\u00e1 mais energizada, o flutuador sobe ao seu n\u00edvel normal.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<h5 class=\"p4\"><b>Controles de Sonda<span class=\"Apple-converted-space\">\u00a0<\/span><\/b><\/h5>\n<p class=\"p1\">Sondas de canal \u00fanico (sondas de alta integridade sem autoteste) podem ser instaladas em tubos de prote\u00e7\u00e3o e, como n\u00e3o possuem partes m\u00f3veis, tendem a durar mais do que um sistema de flutua\u00e7\u00e3o controlada equivalente.<\/p>\n<p class=\"p1\">O uso de tubos de prote\u00e7\u00e3o internos em conjunto com sondas e controladores de autoteste de alta integridade oferece vantagens significativas em termos de requisitos de teste e do grau de supervis\u00e3o exigido pelas autoridades. Este t\u00f3pico \u00e9 abordado com mais detalhes no pr\u00f3ximo m\u00f3dulo.<span class=\"Apple-converted-space\">\u00a0<\/span><\/p>\n<p class=\"p1\">Como voc\u00ea est\u00e1 interessado em aprender mais sobre alarmes de n\u00edvel de \u00e1gua em caldeiras a vapor, de dois e tr\u00eas elementos, n\u00f3s o convidamos a ler mais sobre <a href=\"https:\/\/vaporparalaindustria.com\/pt\/diferencias-entre-el-control-de-nivel-de-agua-de-uno-dos-y-tres-elementos\/\" target=\"_blank\" rel=\"noopener\"><span class=\"s2\"><b>diferen\u00e7as entre o controlo do n\u00edvel da \u00e1gua de um, dois e tr\u00eas elementos<\/b><\/span><\/a>bem como sobre o <a href=\"https:\/\/vaporparalaindustria.com\/pt\/sistemas-de-control-de-nivel-automaticos-en-calderas-de-vapor\/\" target=\"_blank\" rel=\"noopener\"><span class=\"s2\"><b>sistemas de controle autom\u00e1tico de n\u00edvel em caldeiras de vapor<\/b><\/span><\/a>.<\/p>\n<p class=\"p1\">Finalmente, <a href=\"https:\/\/vaporparalaindustria.com\/pt\/newsletter\/?utm_source=newsletter&amp;utm_medium=cta_vapor&amp;utm_campaign=vapor_cta_newsletter\" target=\"_blank\" rel=\"noopener\"><span class=\"s2\"><b>subscreva a newsletter especializada em sistemas de vapor industrial<\/b><\/span><\/a>Um recurso que o ajudar\u00e1 a receber mais conte\u00fado sobre as novas tend\u00eancias de vapor.<\/p>\n<p><a href=\"https:\/\/koi-3QNKZ0D2AO.marketingautomation.services\/net\/m?md=mSfBIBqqc58bJ6yQr97S7BdNMPPa2fX%2B\" target=\"_blank\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-26451 size-full\" src=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/08\/CTA-BLOG-SPIRAX-VIDEOGUIA-IMPORTANCIA-DE-DISEN\u0303AR-EL-SISTEMA-DE-CALENTAMIENTO-CON-VAPOR-EN-CONJUNTO.jpg\" alt=\"\" width=\"1921\" height=\"291\" srcset=\"https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/08\/CTA-BLOG-SPIRAX-VIDEOGUIA-IMPORTANCIA-DE-DISEN\u0303AR-EL-SISTEMA-DE-CALENTAMIENTO-CON-VAPOR-EN-CONJUNTO-150x23.jpg 150w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/08\/CTA-BLOG-SPIRAX-VIDEOGUIA-IMPORTANCIA-DE-DISEN\u0303AR-EL-SISTEMA-DE-CALENTAMIENTO-CON-VAPOR-EN-CONJUNTO-300x45.jpg 300w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/08\/CTA-BLOG-SPIRAX-VIDEOGUIA-IMPORTANCIA-DE-DISEN\u0303AR-EL-SISTEMA-DE-CALENTAMIENTO-CON-VAPOR-EN-CONJUNTO-600x91.jpg 600w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/08\/CTA-BLOG-SPIRAX-VIDEOGUIA-IMPORTANCIA-DE-DISEN\u0303AR-EL-SISTEMA-DE-CALENTAMIENTO-CON-VAPOR-EN-CONJUNTO-768x116.jpg 768w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/08\/CTA-BLOG-SPIRAX-VIDEOGUIA-IMPORTANCIA-DE-DISEN\u0303AR-EL-SISTEMA-DE-CALENTAMIENTO-CON-VAPOR-EN-CONJUNTO-800x121.jpg 800w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/08\/CTA-BLOG-SPIRAX-VIDEOGUIA-IMPORTANCIA-DE-DISEN\u0303AR-EL-SISTEMA-DE-CALENTAMIENTO-CON-VAPOR-EN-CONJUNTO-1024x155.jpg 1024w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/08\/CTA-BLOG-SPIRAX-VIDEOGUIA-IMPORTANCIA-DE-DISEN\u0303AR-EL-SISTEMA-DE-CALENTAMIENTO-CON-VAPOR-EN-CONJUNTO-1536x233.jpg 1536w, https:\/\/vaporparalaindustria.com\/wp-content\/uploads\/2021\/08\/CTA-BLOG-SPIRAX-VIDEOGUIA-IMPORTANCIA-DE-DISEN\u0303AR-EL-SISTEMA-DE-CALENTAMIENTO-CON-VAPOR-EN-CONJUNTO.jpg 1921w\" sizes=\"auto, (max-width: 1921px) 100vw, 1921px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Como j\u00e1 sabemos, o n\u00edvel da \u00e1gua em uma caldeira a vapor varia consideravelmente como resultado disso:  A carga. A taxa de mudan\u00e7a de carga. A circula\u00e7\u00e3o da \u00e1gua dentro da caldeira.  Estas circunst\u00e2ncias combinam-se para tornar muito dif\u00edcil monitorizar e controlar com precis\u00e3o o n\u00edvel da \u00e1gua da caldeira. ...<\/p>","protected":false},"author":1,"featured_media":26278,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","footnotes":""},"categories":[107],"tags":[],"class_list":["type-post","category-tratamiento-del-agua-para-calderas-de-vapor","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Instalaci\u00f3n de controles de nivel de agua en calderas de vapor<\/title>\n<meta name=\"description\" content=\"El nivel de agua en una caldera de vapor var\u00eda 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