{"id":5823,"date":"2025-06-10T16:15:23","date_gmt":"2025-06-10T08:15:23","guid":{"rendered":"https:\/\/www.darko-tech.com\/?p=5823"},"modified":"2025-06-10T16:27:40","modified_gmt":"2025-06-10T08:27:40","slug":"dust-explosion-prevention-a-guide-to-explosion-proof-dust-collectors","status":"publish","type":"post","link":"https:\/\/www.darko-tech.com\/pt\/dust-explosion-prevention-a-guide-to-explosion-proof-dust-collectors\/","title":{"rendered":"Preven\u00e7\u00e3o de Explos\u00e3o de Poeiras: Um Guia para Colectores de P\u00f3 \u00e0 Prova de Explos\u00e3o"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5823\" class=\"elementor elementor-5823\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7fd4d72 e-flex e-con-boxed e-con e-parent\" data-id=\"7fd4d72\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4871a47 elementor-widget elementor-widget-text-editor\" data-id=\"4871a47\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A produ\u00e7\u00e3o industrial \u00e9 a principal causa da forma\u00e7\u00e3o de poeiras. Quando a poeira atinge uma concentra\u00e7\u00e3o suficiente dentro de um determinado intervalo, provocar\u00e1 uma explos\u00e3o se encontrar uma fonte de fogo, e as consequ\u00eancias s\u00e3o inimagin\u00e1veis.<br \/>A fim de evitar a ocorr\u00eancia de tais problemas, devem ser tomadas medidas razo\u00e1veis e vi\u00e1veis \u00e0 prova de explos\u00e3o para melhorar a seguran\u00e7a das zonas perigosas de explos\u00e3o de poeiras e, fundamentalmente, reduzir ou mesmo eliminar a ocorr\u00eancia de explos\u00e3o de poeiras.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0203c9c elementor-widget elementor-widget-heading\" data-id=\"0203c9c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">1. o que \u00e9 um coletor de p\u00f3 \u00e0 prova de explos\u00e3o?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-857d8f1 elementor-widget elementor-widget-text-editor\" data-id=\"857d8f1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/www.darko-tech.com\/pt\/produtos\/coletor-de-po-atex\/\">Coletor de p\u00f3 \u00e0 prova de explos\u00e3o<\/a> \u00e9 um tipo de equipamento de remo\u00e7\u00e3o de poeiras especialmente concebido para ambientes explosivos. A sua principal fun\u00e7\u00e3o \u00e9 controlar as poeiras geradas no processo de produ\u00e7\u00e3o industrial e limpar os locais de produ\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1b6a460 elementor-widget elementor-widget-text-editor\" data-id=\"1b6a460\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O coletor de p\u00f3 \u00e0 prova de explos\u00e3o pode evitar que a explos\u00e3o de p\u00f3 industrial cause danos e controlar o impacto causado pela explos\u00e3o de p\u00f3 dentro de um intervalo control\u00e1vel. Em geral, os colectores de p\u00f3 \u00e0 prova de explos\u00e3o s\u00e3o utilizados ap\u00f3s a explos\u00e3o de p\u00f3, mas tamb\u00e9m h\u00e1 algumas coisas que s\u00e3o utilizadas antes da explos\u00e3o de p\u00f3, ou seja, dentro de alguns microssegundos antes da explos\u00e3o de p\u00f3 ser detectada, os colectores de p\u00f3 s\u00e3o rapidamente refor\u00e7ados ou as fa\u00edscas s\u00e3o extintas. A isto chama-se colectores de p\u00f3 \u00e0 prova de explos\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b92284 elementor-widget elementor-widget-text-editor\" data-id=\"7b92284\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O coletor de p\u00f3 \u00e0 prova de explos\u00e3o \u00e9 diferente da fun\u00e7\u00e3o de remo\u00e7\u00e3o de p\u00f3 convencional em termos de estrutura, fun\u00e7\u00e3o e opera\u00e7\u00e3o. Adota uma variedade de medidas de design e seguran\u00e7a \u00e0 prova de explos\u00e3o para garantir uma opera\u00e7\u00e3o segura e eficaz em ambientes potencialmente explosivos. Por exemplo, a utiliza\u00e7\u00e3o de motores \u00e0 prova de explos\u00e3o, aparelhos \u00e0 prova de explos\u00e3o, v\u00e1lvulas \u00e0 prova de explos\u00e3o, etc., pode impedir eficazmente a entrada de poeiras e gases nocivos na carga el\u00e9ctrica, evitando assim a ocorr\u00eancia de riscos de explos\u00e3o. Equipado com materiais de filtragem eficientes e tecnologia de filtragem.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-66272a0 e-flex e-con-boxed e-con e-parent\" data-id=\"66272a0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef8d1f4 elementor-widget elementor-widget-heading\" data-id=\"ef8d1f4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">2. Princ\u00edpio de conce\u00e7\u00e3o do coletor de p\u00f3 \u00e0 prova de explos\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-d4eb95e e-flex e-con-boxed e-con e-parent\" data-id=\"d4eb95e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b02e14f elementor-widget elementor-widget-heading\" data-id=\"b02e14f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\uff081\uff09Designa\u00e7\u00e3o do dispositivo de al\u00edvio de press\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36588f3 elementor-widget elementor-widget-text-editor\" data-id=\"36588f3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A inten\u00e7\u00e3o original do projeto \u00e0 prova de explos\u00e3o \u00e9 extinguir a explos\u00e3o de combust\u00edvel na fase inicial e evitar a ocorr\u00eancia de explos\u00e3o. Em caso de explos\u00e3o, o dispositivo de descompress\u00e3o no coletor de p\u00f3 tamb\u00e9m pode lidar eficazmente com ela. Durante a conce\u00e7\u00e3o do dispositivo de descompress\u00e3o, a press\u00e3o de descompress\u00e3o deve ser fixada em metade da press\u00e3o de projeto da c\u00e2mara do saco do coletor de p\u00f3, ou seja, 5-7,5 kpa. Quando a press\u00e3o atinge 10KPA, o pessoal precisa de abrir o dispositivo de al\u00edvio de press\u00e3o para aliviar a press\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-609ff1d elementor-widget elementor-widget-text-editor\" data-id=\"609ff1d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Deve ser concebido um certo \u00e2ngulo de inclina\u00e7\u00e3o na parte lateral do desempoeirador para impedir a entrada de ar. Durante o processo de al\u00edvio da press\u00e3o do dispositivo, devido a um certo \u00e2ngulo de inclina\u00e7\u00e3o lateral, o dispositivo pode ser automaticamente reposto pela sua pr\u00f3pria gravidade. Al\u00e9m disso, para que o coletor de p\u00f3 possa aliviar rapidamente a press\u00e3o, deve ser reservado espa\u00e7o suficiente no processo de conce\u00e7\u00e3o e a posi\u00e7\u00e3o da porta de descompress\u00e3o deve ser cuidadosamente considerada, como a liga\u00e7\u00e3o da porta de exaust\u00e3o ao dispositivo de descompress\u00e3o de seguran\u00e7a exterior por conduta.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-276181b elementor-widget elementor-widget-heading\" data-id=\"276181b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\uff082\uff09Dispositivo de ventila\u00e7\u00e3o de explos\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ae1dbd elementor-widget elementor-widget-text-editor\" data-id=\"3ae1dbd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O dispositivo de al\u00edvio de explos\u00e3o \u00e9 concebido para garantir a produ\u00e7\u00e3o segura do sistema. O dispositivo inclui principalmente uma v\u00e1lvula de seguran\u00e7a \u00e0 prova de explos\u00e3o, um diafragma \u00e0 prova de explos\u00e3o, uma v\u00e1lvula de seguran\u00e7a para martelos pesados e um dispositivo de prote\u00e7\u00e3o contra explos\u00f5es do tipo estilha\u00e7os. Al\u00e9m disso, \u00e9 tamb\u00e9m necess\u00e1rio instalar plataformas e corrim\u00f5es sob o dispositivo de descompress\u00e3o, em que a plataforma s\u00f3 pode ser utilizada durante a manuten\u00e7\u00e3o, pelo que o pessoal pode utilizar correntes para bloquear a plataforma em alturas normais, e colocar sinais de aviso para proibir o pessoal de passar livremente.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2baee03 elementor-widget elementor-widget-heading\" data-id=\"2baee03\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\uff083\uff09 Determina\u00e7\u00e3o do volume de ar, da press\u00e3o do ar e da velocidade do vento<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4297453 elementor-widget elementor-widget-text-editor\" data-id=\"4297453\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O dispositivo de entrada de ar do desempoeirador \u00e9 composto pela conduta de ar inferior, a v\u00e1lvula de controlo do volume de ar e o tubo de entrada de ar retangular. No processo de conce\u00e7\u00e3o do tubo de entrada de ar, a conce\u00e7\u00e3o precisa de considerar de forma abrangente a resist\u00eancia \u00e0 press\u00e3o negativa da placa de parede da conduta de ar, e a v\u00e1lvula de controlo do volume de ar pode ser utilizada como um passe de f\u00e1brica. Geralmente, a espessura da placa da v\u00e1lvula do p\u00e1ra-poeiras \u00e9 controlada em cerca de 5 mm, e a velocidade do vento do tubo principal deve ser capaz de reduzir eficazmente a concentra\u00e7\u00e3o de poeiras no tubo e evitar a acumula\u00e7\u00e3o. De um modo geral, a velocidade do vento do tubo principal de p\u00f3 de madeira n\u00e3o \u00e9 inferior a 20m\/s, e a velocidade do vento do tubo principal de p\u00f3 de alum\u00ednio e magn\u00e9sio n\u00e3o \u00e9 inferior a 23m\/s. A velocidade do vento na camp\u00e2nula deve ser determinada de acordo com os materiais espec\u00edficos e o modo de funcionamento.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-422d5ae e-flex e-con-boxed e-con e-parent\" data-id=\"422d5ae\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c88a434 elementor-widget elementor-widget-heading\" data-id=\"c88a434\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\uff084\uff09 Ado\u00e7\u00e3o do dispositivo de inertiza\u00e7\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a20b2d0 elementor-widget elementor-widget-text-editor\" data-id=\"a20b2d0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Quando o coletor de p\u00f3 utiliza g\u00e1s inerte como meio, o controlo do teor de oxig\u00e9nio interno do coletor de p\u00f3 deve ser refor\u00e7ado. O caudal de p\u00f3 introduzido no sistema central de despoeiramento n\u00e3o deve ser superior a 50% do limite inferior de explos\u00e3o. Depois de o dispositivo de inertiza\u00e7\u00e3o ser adicionado ao despoeirador, deve ser adicionado um dispositivo \u00e0 prova de explos\u00e3o com fun\u00e7\u00e3o de monitoriza\u00e7\u00e3o, que pode emitir automaticamente um alarme em caso de funcionamento anormal.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-871567a elementor-widget elementor-widget-heading\" data-id=\"871567a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\uff085\uff09Conce\u00e7\u00e3o da automatiza\u00e7\u00e3o e fun\u00e7\u00e3o de interbloqueio do alarme de dete\u00e7\u00e3o<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e8508ce elementor-widget elementor-widget-text-editor\" data-id=\"e8508ce\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A fun\u00e7\u00e3o de interbloqueio autom\u00e1tico do alarme de conce\u00e7\u00e3o e dete\u00e7\u00e3o \u00e9 uma fun\u00e7\u00e3o indispens\u00e1vel no sistema \u00e0 prova de explos\u00e3o de p\u00f3. Quando o sistema detecta que existe um perigo potencial nas proximidades, esta fun\u00e7\u00e3o envia a informa\u00e7\u00e3o de alarme para a fratura m\u00f3vel atrav\u00e9s do sistema de controlo central e evita a ocorr\u00eancia de uma explos\u00e3o de p\u00f3.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-091580c elementor-widget elementor-widget-heading\" data-id=\"091580c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">3.Precau\u00e7\u00f5es para o coletor de p\u00f3 em locais inflam\u00e1veis e explosivos<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-29eab6c elementor-widget elementor-widget-text-editor\" data-id=\"29eab6c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>No processo de utiliza\u00e7\u00e3o do coletor de p\u00f3, muitas poeiras s\u00e3o inflam\u00e1veis e explosivas. Para al\u00e9m de melhorar as medidas de preven\u00e7\u00e3o de inc\u00eandios e explos\u00f5es na oficina da empresa de produ\u00e7\u00e3o, \u00e9 tamb\u00e9m necess\u00e1rio efetuar um tratamento especial no coletor de p\u00f3 para aumentar a capacidade \u00e0 prova de explos\u00e3o do coletor de p\u00f3, de modo a garantir o funcionamento normal do coletor de p\u00f3 e garantir a seguran\u00e7a da produ\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-593c376 elementor-widget elementor-widget-text-editor\" data-id=\"593c376\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>As poeiras que cont\u00eam uma grande quantidade de CO e H2 s\u00e3o inflam\u00e1veis e explosivas. Todos sabemos que, para al\u00e9m destas, a maior parte das poeiras produzidas por todos os materiais combust\u00edveis s\u00e3o poeiras inflam\u00e1veis e explosivas, como a farinha, o carv\u00e3o pulverizado, a serradura, a fibra de algod\u00e3o, etc., e mesmo alguns p\u00f3s met\u00e1licos s\u00e3o suscept\u00edveis de explodir em condi\u00e7\u00f5es espec\u00edficas, como o p\u00f3 de alum\u00ednio, etc.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-91f9dc5 elementor-widget elementor-widget-text-editor\" data-id=\"91f9dc5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>No processo de despoeiramento destas poeiras inflam\u00e1veis e explosivas, a estanquidade fi\u00e1vel do equipamento de despoeiramento deve ser conseguida para evitar a inala\u00e7\u00e3o de ar ou a fuga de g\u00e1s, de modo a garantir o funcionamento seguro do sistema num ambiente est\u00e1vel.<br \/>Al\u00e9m disso, o pr\u00f3prio coletor de p\u00f3 deve tamb\u00e9m seguir determinados princ\u00edpios de conce\u00e7\u00e3o para se tornar \u00e0 prova de explos\u00e3o. As principais medidas de seguran\u00e7a s\u00e3o as seguintes:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c5b7a4 elementor-widget elementor-widget-heading\" data-id=\"8c5b7a4\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">(1)Medidas de seguran\u00e7a e de prote\u00e7\u00e3o contra explos\u00f5es para o coletor de p\u00f3<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f4fec8 elementor-widget elementor-widget-text-editor\" data-id=\"5f4fec8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li>Em termos de estrutura do coletor de p\u00f3: o coletor de p\u00f3 do tipo saco utilizado para processar g\u00e1s combust\u00edvel \u00e9 normalmente concebido como um tipo circular para aumentar a suavidade do fluxo de p\u00f3 e evitar a acumula\u00e7\u00e3o excessiva de p\u00f3.<\/li><li>O coletor de p\u00f3 adopta um saco de recolha de p\u00f3 \u00e0 prova de fogo e \u00e0 prova de explos\u00e3o, e o dispositivo de al\u00edvio de press\u00e3o \u00e9 adicionado.<\/li><li>\u00a0O coletor de poeiras deve assegurar a remo\u00e7\u00e3o cont\u00ednua de poeiras e evitar a sua deposi\u00e7\u00e3o.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9f66aa0 elementor-widget elementor-widget-heading\" data-id=\"9f66aa0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">(2)V\u00e1lvula de seguran\u00e7a da tubagem do equipamento de despoeiramento<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1050546 elementor-widget elementor-widget-text-editor\" data-id=\"1050546\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li>A conduta de g\u00e1s de combust\u00e3o deve evitar, tanto quanto poss\u00edvel, os cantos mortos para garantir que a conduta n\u00e3o est\u00e1 obstru\u00edda; e aumentar a velocidade do ar para evitar a reten\u00e7\u00e3o de g\u00e1s.<\/li><li>Est\u00e1 instalada uma v\u00e1lvula de seguran\u00e7a no tubo frontal do ventilador para que a press\u00e3o possa ser libertada em caso de explos\u00e3o de g\u00e1s.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-72046b9 elementor-widget elementor-widget-text-editor\" data-id=\"72046b9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li style=\"list-style-type: none;\"><ul style=\"list-style-type: circle;\"><li>A v\u00e1lvula de seguran\u00e7a superior est\u00e1 frequentemente localizada no topo da chamin\u00e9. Durante a produ\u00e7\u00e3o normal, a gl\u00e2ndula deve ser dobrada para baixo e selada com um selo de \u00e1gua com uma altura de 250 mm; em caso de combust\u00e3o feroz na chamin\u00e9 e a press\u00e3o \u00e9 maior do que o peso da gl\u00e2ndula, a gl\u00e2ndula deve ser aberta \u00e0 pressa numa emerg\u00eancia para aliviar a press\u00e3o.<\/li><li>A v\u00e1lvula de seguran\u00e7a inferior est\u00e1 colocada na frente da m\u00e1quina. Durante a produ\u00e7\u00e3o normal, o bucim fecha o orif\u00edcio de descompress\u00e3o sob a a\u00e7\u00e3o do martelo. O orif\u00edcio de al\u00edvio de press\u00e3o \u00e9 soldado com uma placa de cobre fina. Em caso de explos\u00e3o, o g\u00e1s rompe a placa de cobre e abre o bucim para o al\u00edvio da press\u00e3o.<\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-94be75c elementor-widget elementor-widget-image\" data-id=\"94be75c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"485\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/darko-ATEX-dust-collector-1.jpg\" class=\"attachment-large size-large wp-image-2030\" alt=\"Vista lateral de um coletor de p\u00f3 Darko ATEX, real\u00e7ando a sua conformidade com as normas ATEX para atmosferas explosivas\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/darko-ATEX-dust-collector-1.jpg 990w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/darko-ATEX-dust-collector-1-300x182.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/darko-ATEX-dust-collector-1-768x465.jpg 768w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6e63e34 elementor-widget elementor-widget-heading\" data-id=\"6e63e34\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">4) Quais s\u00e3o as medidas de controlo da explos\u00e3o para o sistema de despoeiramento?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8eff5a5 elementor-widget elementor-widget-text-editor\" data-id=\"8eff5a5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Durante o funcionamento di\u00e1rio do equipamento de extra\u00e7\u00e3o de poeiras, ser\u00e3o encontrados alguns problemas de seguran\u00e7a, especialmente em locais com poeiras inflam\u00e1veis e explosivas, como as f\u00e1bricas de madeira. Por conseguinte, o sistema de despoeiramento tem de ser equipado com equipamento \u00e0 prova de explos\u00e3o e de controlo de explos\u00e3o. As medidas de controlo da explos\u00e3o do sistema de despoeiramento incluem principalmente<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0571f48 elementor-widget elementor-widget-text-editor\" data-id=\"0571f48\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>1. O material do saco de filtro deve ser selecionado de acordo com a natureza do g\u00e1s de poeira. Ao lidar com o g\u00e1s de poeira, se o g\u00e1s de alta temperatura \u00e9 encontrado, o saco de filtro de remo\u00e7\u00e3o de poeira com resist\u00eancia a altas temperaturas, resist\u00eancia \u00e0 corros\u00e3o e baixa inflamabilidade deve ser usado. Se encontrar poeiras inflam\u00e1veis e explosivas, o material do saco de filtro deve ser resistente a altas temperaturas e n\u00e3o combust\u00edvel.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-120260c elementor-widget elementor-widget-text-editor\" data-id=\"120260c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>2. Em caso de combust\u00e3o ou de salpicos de fa\u00edscas, pode colocar uma c\u00e2mara de combust\u00e3o ou um espalhador de fa\u00edscas em frente do despoeirador para queimar completamente as poeiras e os gases incompletamente queimados.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bdd96b7 elementor-widget elementor-widget-text-editor\" data-id=\"bdd96b7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>3. Quando utilizar o desempoeirador para a remo\u00e7\u00e3o de poeiras, deve ser instalado no desempoeirador equipamento motor \u00e0 prova de explos\u00e3o e deve ser instalado equipamento de alarme para o tratamento de gases combust\u00edveis.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0d5121b elementor-widget elementor-widget-text-editor\" data-id=\"0d5121b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>4. Devem ser instaladas aberturas de descompress\u00e3o \u00e0 prova de explos\u00e3o nos locais necess\u00e1rios do sistema de despoeiramento para evitar a explos\u00e3o devido a press\u00e3o excessiva. Devem ser tomadas medidas de prote\u00e7\u00e3o contra os raios e devem ser instalados para-raios no exterior.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5fb495b elementor-widget elementor-widget-text-editor\" data-id=\"5fb495b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>5. Para evitar fa\u00edscas causadas por detritos no fluxo de ar que embatem no impulsor e na caixa, a ventoinha deve ser instalada atr\u00e1s do equipamento de remo\u00e7\u00e3o de poeiras.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d9179f elementor-widget elementor-widget-text-editor\" data-id=\"5d9179f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>6. Preste aten\u00e7\u00e3o \u00e0 higiene e arruma\u00e7\u00e3o da oficina para evitar a combust\u00e3o espont\u00e2nea ou explos\u00e3o de poeiras devido \u00e0 acumula\u00e7\u00e3o de poeiras na oficina e de poeiras no interior do coletor de poeiras.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-725b37a elementor-widget elementor-widget-heading\" data-id=\"725b37a\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">5\u3001 Como melhorar a capacidade \u00e0 prova de explos\u00e3o do equipamento de remo\u00e7\u00e3o de poeira?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-864226e elementor-widget elementor-widget-text-editor\" data-id=\"864226e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Muitas poeiras s\u00e3o inflam\u00e1veis e explosivas. Por conseguinte, para aumentar a capacidade \u00e0 prova de explos\u00e3o do equipamento de despoeiramento, devem ser tidos em conta os seguintes aspectos:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e9c9ee2 e-flex e-con-boxed e-con e-parent\" data-id=\"e9c9ee2\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-eb1abdb elementor-widget elementor-widget-text-editor\" data-id=\"eb1abdb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>1. No processo de remo\u00e7\u00e3o de poeiras, o equipamento de remo\u00e7\u00e3o de poeiras deve ter uma estanquidade fi\u00e1vel para evitar a inala\u00e7\u00e3o de ar ou a fuga de g\u00e1s, de modo a garantir o funcionamento seguro do sistema num ambiente est\u00e1vel.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee7d67f elementor-widget elementor-widget-text-editor\" data-id=\"ee7d67f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>2. Em termos de estrutura do equipamento de despoeiramento, recomenda-se que o coletor de poeiras do tipo saco para o tratamento de gases combust\u00edveis seja concebido de forma circular para aumentar a suavidade do fluxo de poeiras e evitar uma acumula\u00e7\u00e3o excessiva de poeiras.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ffce19e elementor-widget elementor-widget-text-editor\" data-id=\"ffce19e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>3. \u00c9 adotado um saco de remo\u00e7\u00e3o de poeiras \u00e0 prova de fogo e de explos\u00e3o, e \u00e9 adicionado um dispositivo de al\u00edvio de press\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fe30cd9 elementor-widget elementor-widget-text-editor\" data-id=\"fe30cd9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>4. Assegure a remo\u00e7\u00e3o cont\u00ednua de poeiras e evite a sua deposi\u00e7\u00e3o.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2f85ad9 elementor-widget elementor-widget-text-editor\" data-id=\"2f85ad9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>5. A conduta de g\u00e1s de combust\u00e3o deve evitar, tanto quanto poss\u00edvel, os cantos mortos para garantir que a conduta est\u00e1 desbloqueada; e aumente a velocidade do fluxo de g\u00e1s para evitar a reten\u00e7\u00e3o de g\u00e1s. Uma v\u00e1lvula de seguran\u00e7a \u00e9 colocada no tubo frontal do ventilador para que a press\u00e3o possa ser libertada em caso de explos\u00e3o. A v\u00e1lvula de seguran\u00e7a superior \u00e9 frequentemente colocada no topo da chamin\u00e9 e a v\u00e1lvula de seguran\u00e7a inferior \u00e9 colocada \u00e0 frente do ventilador.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bcbf236 elementor-widget elementor-widget-text-editor\" data-id=\"bcbf236\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Como um fabricante l\u00edder de colectores de p\u00f3, <a href=\"https:\/\/www.darko-tech.com\/pt\/\">Darko<\/a> \u00e9 especializada em sistemas de conce\u00e7\u00e3o personalizada, com certifica\u00e7\u00e3o ATEX, para f\u00e1bricas de cimento, trabalho da madeira, processamento de metais e outros ambientes perigosos.<\/p><p><a href=\"https:\/\/www.darko-tech.com\/pt\/contactar-nos\/\">Contacto<\/a> os nossos especialistas no fabrico de colectores de p\u00f3 para os requisitos do seu projeto.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Industrial production is the main cause of dust generation. When the dust reaches a sufficient concentration within a certain range, it will cause an explosion if it encounters a fire source, and the consequences are unimaginable.In order to avoid the occurrence of such problems, reasonable and feasible explosion-proof measures must be taken to improve the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2030,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-5823","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.6 (Yoast SEO v24.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dust Explosion Prevention: A Guide to Explosion-Proof Dust Collectors | DARKO<\/title>\n<meta name=\"description\" content=\"Learn how explosion-proof dust collectors prevent industrial dust explosions with ATEX-certified designs. 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