{"id":3497,"date":"2024-11-08T16:03:35","date_gmt":"2024-11-08T08:03:35","guid":{"rendered":"https:\/\/www.darko-tech.com\/?p=3497"},"modified":"2025-03-24T13:34:13","modified_gmt":"2025-03-24T05:34:13","slug":"defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes","status":"publish","type":"post","link":"https:\/\/www.darko-tech.com\/pt\/defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes\/","title":{"rendered":"Avarias comuns das prensas de rolos e respectivas solu\u00e7\u00f5es"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"3497\" class=\"elementor elementor-3497\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4d6278b e-flex e-con-boxed e-con e-parent\" data-id=\"4d6278b\" 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-cff0185 elementor-widget elementor-widget-text-editor\" data-id=\"cff0185\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Na produ\u00e7\u00e3o de cimento, a prensa de rolos \u00e9 uma pe\u00e7a chave do equipamento e a sua estabilidade operacional afecta diretamente a efici\u00eancia da produ\u00e7\u00e3o e a qualidade do produto. Seguem-se casos espec\u00edficos e partilha de experi\u00eancias relativas ao tratamento de avarias da T Company, J Company e S Company. Se se deparar com problemas semelhantes durante o funcionamento do equipamento, sinta-se \u00e0 vontade para <a href=\"https:\/\/www.darko-tech.com\/pt\/contactar-nos\/\">contactar-nos<\/a> em <a href=\"https:\/\/www.darko-tech.com\/pt\/sobre-nos\/\">Darko<\/a>. Como um fabricante profissional e fornecedor de equipamentos de cimento, estamos dedicados a fornecer-lhe equipamentos e servi\u00e7os de alta qualidade.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e24c7bc elementor-widget elementor-widget-image\" data-id=\"e24c7bc\" 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=\"1500\" height=\"800\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/11\/Roller-Press-a-1.jpg\" class=\"attachment-2048x2048 size-2048x2048 wp-image-3733\" alt=\"Prensa de rolos de alta efici\u00eancia utilizada na produ\u00e7\u00e3o de cimento para compacta\u00e7\u00e3o e moagem de material.\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/11\/Roller-Press-a-1.jpg 1500w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/11\/Roller-Press-a-1-300x160.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/11\/Roller-Press-a-1-1024x546.jpg 1024w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/11\/Roller-Press-a-1-768x410.jpg 768w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/11\/Roller-Press-a-1-18x10.jpg 18w\" sizes=\"auto, (max-width: 1500px) 100vw, 1500px\" \/>\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-65ff0e5 elementor-widget elementor-widget-spacer\" data-id=\"65ff0e5\" data-element_type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7b6ffa8 elementor-widget elementor-widget-heading\" data-id=\"7b6ffa8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">F\u00e1brica de cimento A Descri\u00e7\u00e3o da situa\u00e7\u00e3o anormal<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-70e016d elementor-widget elementor-widget-heading\" data-id=\"70e016d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Fen\u00f3meno de falha<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1816203 elementor-widget elementor-widget-text-editor\" data-id=\"1816203\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A f\u00e1brica de cimento A utiliza um tubo de alimenta\u00e7\u00e3o vertical entre a prensa de rolos e o silo de pesagem. No entanto, este tubo \u00e9 demasiado curto. Como resultado, a prensa de rolos tem uma baixa press\u00e3o de trabalho e uma fraca capacidade de extrus\u00e3o. Consequentemente, o material de alimenta\u00e7\u00e3o tem um elevado teor de res\u00edduos de crivagem e um baixo teor de p\u00f3 fino. Esta situa\u00e7\u00e3o conduz a um baixo rendimento do sistema e a um elevado consumo de energia de moagem.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e7d5f8b elementor-widget elementor-widget-heading\" data-id=\"e7d5f8b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Configura\u00e7\u00e3o do sistema<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-145f56f elementor-widget elementor-widget-text-editor\" data-id=\"145f56f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Prensa de rolos:<\/strong> Prensa de rolos 120-50 (capacidade de produ\u00e7\u00e3o de material 165t\/h, pot\u00eancia do motor principal 250kW, corrente 21A\u00d72)<\/li><li><strong>M\u00e1quina de dispers\u00e3o e classifica\u00e7\u00e3o:<\/strong> 550\/120 (capacidade de processamento 140-175t\/h, pot\u00eancia do motor 45kW+30kW)<\/li><li><strong>Moinho de tubos:<\/strong> \u03a63.2\u00d713m moinho tubular de tr\u00eas c\u00e2maras em circuito aberto (pot\u00eancia do motor principal 1600kW, carga de corpos moentes 127t)<\/li><li><strong>Ventilador de recolha de poeiras:<\/strong> Inclui um sistema de moagem combinado em circuito aberto<\/li><\/ul><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7bfe9c5 elementor-widget elementor-widget-heading\" data-id=\"7bfe9c5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Resultados<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d37a967 elementor-widget elementor-widget-text-editor\" data-id=\"d37a967\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O sistema produz cimento de grau P.O42.5 com uma \u00e1rea de superf\u00edcie espec\u00edfica acabada de pelo menos 380\u00b110m\u00b2\/kg. Atinge um rendimento de 65t\/h enquanto consome 35kWh\/t de energia. No entanto, o res\u00edduo R80\u03bcm do material de alimenta\u00e7\u00e3o atinge 78,7%, resultando em apenas 21,3% do material como p\u00f3 fino. Isto leva a um elevado teor de part\u00edculas grossas no cimento acabado.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-42428d7 elementor-widget elementor-widget-heading\" data-id=\"42428d7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">An\u00e1lise do diagn\u00f3stico t\u00e9cnico<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d39454f elementor-widget elementor-widget-text-editor\" data-id=\"d39454f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A altura da tubagem de alimenta\u00e7\u00e3o vertical entre a prensa de rolos e o silo de pesagem \u00e9 inferior a 1,2 m, o que provoca uma baixa press\u00e3o do material na tubagem, exigindo um ajuste frequente da v\u00e1lvula de haste. O silo de pesagem sofre frequentemente segrega\u00e7\u00e3o ou colapso do material, e h\u00e1 uma quantidade significativa de poeira na \u00e1rea de produ\u00e7\u00e3o. A press\u00e3o de trabalho da prensa de rolos \u00e9 de apenas 6,0-6,5 MPa, o que afecta diretamente o efeito de extrus\u00e3o do material.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-07aa288 elementor-widget elementor-widget-heading\" data-id=\"07aa288\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Medidas e efeitos t\u00e9cnicos<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-489e2f1 elementor-widget elementor-widget-text-editor\" data-id=\"489e2f1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Durante a revis\u00e3o anual, a altura do elevador e do silo de pesagem foi aumentada, elevando a altura do tubo de alimenta\u00e7\u00e3o vertical para 2,5m. As placas laterais da prensa de rolos foram reparadas por soldadura de sobreposi\u00e7\u00e3o para reduzir as fugas. A manuten\u00e7\u00e3o do n\u00edvel de material do silo de pesagem em 60%-70% eliminou a segrega\u00e7\u00e3o e o colapso do material. A press\u00e3o de trabalho da prensa de rolos foi ajustada para 7,2-7,5MPa, e o res\u00edduo R80\u03bcm do material de alimenta\u00e7\u00e3o foi reduzido para 49,8% (com o teor de p\u00f3 fino a atingir 50,2%). O rendimento do sistema aumentou para 79t\/h, e o consumo de energia de moagem diminuiu para 26,4kWh\/t. Anualmente, esta modifica\u00e7\u00e3o pode poupar 4,8 milh\u00f5es de kWh de eletricidade, resultando num benef\u00edcio econ\u00f3mico de mais de 2,8 milh\u00f5es de RMB.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c4e92c5 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"c4e92c5\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c42306 elementor-widget elementor-widget-heading\" data-id=\"8c42306\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">F\u00e1brica de Cimento B Descri\u00e7\u00e3o da situa\u00e7\u00e3o anormal<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3f3ac8 elementor-widget elementor-widget-heading\" data-id=\"a3f3ac8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Fen\u00f3meno de falha<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-51d32dc elementor-widget elementor-widget-text-editor\" data-id=\"51d32dc\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Na f\u00e1brica de cimento B, os operadores deparam-se com um controlo inst\u00e1vel da alimenta\u00e7\u00e3o da prensa de rolos. Esta instabilidade resulta numa fraca capacidade de trabalho. Consequentemente, o motor principal produz um rendimento insuficiente. Como resultado, o material de alimenta\u00e7\u00e3o cont\u00e9m um baixo teor de p\u00f3 fino. Em \u00faltima an\u00e1lise, esta situa\u00e7\u00e3o conduz a um baixo rendimento e a um elevado consumo de energia de moagem.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2295251 elementor-widget elementor-widget-heading\" data-id=\"2295251\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Configura\u00e7\u00e3o do sistema de moagem<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-346e3a9 elementor-widget elementor-widget-text-editor\" data-id=\"346e3a9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Prensa de rolos:<\/strong> Prensa de rolos 170-100 (capacidade de produ\u00e7\u00e3o de material 620t\/h, pot\u00eancia do motor principal 900kW)<\/li><li><strong>Classificador:<\/strong> Vx8820<\/li><li><strong>Moinho de tubos:<\/strong> \u03c64.2\u00d713m moinho de tubos de c\u00e2mara dupla (pot\u00eancia do motor principal 3550kW)<\/li><li><strong>Ventilador de recolha de poeiras:<\/strong> Inclui um sistema de moagem combinado de circuito fechado duplo<\/li><\/ul><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ab51b26 elementor-widget elementor-widget-heading\" data-id=\"ab51b26\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Resultados<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2a0b1ea elementor-widget elementor-widget-text-editor\" data-id=\"2a0b1ea\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O sistema produz cimento de grau P.O42.5 com um rendimento de 165t\/h (finura final R45\u03bcm res\u00edduo 9.0\u00b11.0%), com um consumo de energia de moagem que atinge 44kWh\/t.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-eaff693 elementor-widget elementor-widget-heading\" data-id=\"eaff693\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">An\u00e1lise do diagn\u00f3stico t\u00e9cnico<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8decc15 elementor-widget elementor-widget-text-editor\" data-id=\"8decc15\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A alimenta\u00e7\u00e3o inst\u00e1vel da prensa de rolos resulta numa fraca capacidade de extrus\u00e3o e num rendimento insuficiente do motor, com uma corrente de funcionamento de apenas 42%-45%. A \u00e1rea de superf\u00edcie espec\u00edfica do material de alimenta\u00e7\u00e3o \u00e9 de cerca de 160m\u00b2\/kg.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cff8b2e elementor-widget elementor-widget-heading\" data-id=\"cff8b2e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Medidas e efeitos t\u00e9cnicos<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b2f23a3 elementor-widget elementor-widget-text-editor\" data-id=\"b2f23a3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Foi adoptada uma tecnologia patenteada por uma empresa de tecnologia, o \"Dispositivo de alimenta\u00e7\u00e3o dupla tipo alavanca para prensa de rolos\", para estabilizar o controlo da alimenta\u00e7\u00e3o, aumentando a pot\u00eancia do motor principal para 72%-78%. Melhorias estruturais internas garantiram um maior teor de material acabado na sa\u00edda. Em \u00faltima an\u00e1lise, o rendimento do sistema para o cimento de grau P.O42.5 atingiu 210t\/h, e o consumo de energia de moagem diminuiu para 38,1kWh\/t, alcan\u00e7ando uma poupan\u00e7a de energia de 13,41%. Ap\u00f3s a otimiza\u00e7\u00e3o da pot\u00eancia do sistema, a efici\u00eancia da produ\u00e7\u00e3o foi significativamente melhorada.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05ab85d elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"05ab85d\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e9bb9b8 elementor-widget elementor-widget-heading\" data-id=\"e9bb9b8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">F\u00e1brica de cimento C Descri\u00e7\u00e3o da situa\u00e7\u00e3o anormal<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-17e1895 elementor-widget elementor-widget-heading\" data-id=\"17e1895\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Fen\u00f3meno de falha<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-374889c elementor-widget elementor-widget-text-editor\" data-id=\"374889c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Na f\u00e1brica de cimento C, tanto as cinzas volantes como o gesso dessulfurado, com part\u00edculas de pequena dimens\u00e3o, entram em conjunto no silo de pesagem. O elevado teor de humidade do gesso dessulfurado provoca uma forte ader\u00eancia do material nas paredes do silo, afectando a produ\u00e7\u00e3o da prensa de rolos e o rendimento global do sistema.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3587728 elementor-widget elementor-widget-heading\" data-id=\"3587728\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Configura\u00e7\u00e3o do sistema de moagem<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c2a921a elementor-widget elementor-widget-text-editor\" data-id=\"c2a921a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><strong>Prensa de rolos:<\/strong> Prensa de rolos 120-50 (capacidade de produ\u00e7\u00e3o de material 165t\/h, pot\u00eancia do motor principal 250kW)<\/li><li><strong>M\u00e1quina de dispers\u00e3o e classifica\u00e7\u00e3o:<\/strong> 550\/120<\/li><li><strong>Moinho de tubos:<\/strong> \u03a63.2\u00d713m moinho de tubos de tr\u00eas c\u00e2maras (pot\u00eancia do motor principal 1600kW)<\/li><li><strong>Ventilador de recolha de poeiras:<\/strong> Inclui um sistema de moagem combinado em circuito aberto<\/li><\/ul><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-99f4dac elementor-widget elementor-widget-heading\" data-id=\"99f4dac\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Resultados<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d62bde7 elementor-widget elementor-widget-text-editor\" data-id=\"d62bde7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O sistema produz cimento de grau P.O42.5 com um rendimento de 65t\/h (\u00e1rea de superf\u00edcie espec\u00edfica acabada \u2265 360\u00b110m\u00b2\/kg), com um consumo de energia de moagem de 33kWh\/t. O res\u00edduo R80\u03bcm do material de alimenta\u00e7\u00e3o \u00e9 superior a 65% (com um teor de p\u00f3 fino &lt;80\u03bcm de cerca de 35%).<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-21c316c elementor-widget elementor-widget-heading\" data-id=\"21c316c\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">An\u00e1lise do diagn\u00f3stico t\u00e9cnico<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-32b16a8 elementor-widget elementor-widget-text-editor\" data-id=\"32b16a8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Os materiais em p\u00f3 afectam a capacidade de extrus\u00e3o da prensa de rolos, levando a uma baixa corrente de funcionamento. O silo de pesagem sofre uma forte ader\u00eancia do material devido ao elevado teor de humidade, afectando o fluxo de material no tubo de alimenta\u00e7\u00e3o.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bb9cd37 elementor-widget elementor-widget-heading\" data-id=\"bb9cd37\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Medidas e efeitos t\u00e9cnicos<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f00a9fb elementor-widget elementor-widget-text-editor\" data-id=\"f00a9fb\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>As cinzas volantes e o gesso dessulfurado passaram a ser doseados separadamente antes da alimenta\u00e7\u00e3o direta no moinho de tubos, e a ader\u00eancia nas paredes do silo de pesagem foi limpa para criar uma press\u00e3o est\u00e1vel do material. A prensa de rolos conseguiu uma alimenta\u00e7\u00e3o demasiado saturada, melhorando o desempenho da extrus\u00e3o. O res\u00edduo R80\u03bcm do material de alimenta\u00e7\u00e3o foi reduzido para 55% (com conte\u00fado de p\u00f3 fino &lt;80\u03bcm atingindo 45%). O rendimento do cimento P.O42.5 aumentou para 75t\/h, um aumento de 15.38%; o consumo de energia de moagem diminuiu para 30kWh\/t, alcan\u00e7ando uma poupan\u00e7a de energia de 9.1%.<\/p><p>\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-626bf75 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"626bf75\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58e9ae3 elementor-widget elementor-widget-heading\" data-id=\"58e9ae3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclus\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-382b5a4 elementor-widget elementor-widget-text-editor\" data-id=\"382b5a4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O funcionamento est\u00e1vel da prensa de rolos \u00e9 crucial para a produ\u00e7\u00e3o de cimento. Podemos alcan\u00e7ar este objetivo atrav\u00e9s da monitoriza\u00e7\u00e3o do estado do equipamento e da otimiza\u00e7\u00e3o dos processos operacionais. Al\u00e9m disso, a realiza\u00e7\u00e3o de manuten\u00e7\u00e3o regular ajuda-nos a reduzir eficazmente as falhas. Isto, por sua vez, melhora a efici\u00eancia da produ\u00e7\u00e3o e aumenta a qualidade do produto. Se tiver algum problema com o equipamento de cimento, por favor contacte-nos. A Darko, como fabricante e fornecedor profissional de equipamento para cimento, est\u00e1 empenhada em fornecer equipamento e solu\u00e7\u00f5es de qualidade. Juntos, podemos impulsionar o progresso na ind\u00fastria.<\/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>In cement production, the roller press is a key piece of equipment, and its operational stability directly affects production efficiency and product quality. Below are specific cases and experience sharing regarding fault handling from T Company, J Company, and S Company. If you encounter similar issues during equipment operation, feel free to contact us at [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3733,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3497","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>Common Roller Press Faults and Their Solutions | DARKO<\/title>\n<meta name=\"description\" content=\"Learn to handle roller press faults to boost cement production efficiency. 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This article offers case examples and solutions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.darko-tech.com\/pt\/defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes\/\" \/>\n<meta property=\"og:site_name\" content=\"DARKO\" \/>\n<meta property=\"article:published_time\" content=\"2024-11-08T08:03:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-24T05:34:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/11\/Roller-Press-a-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1500\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Cement Innovator\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Cement Innovator\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.darko-tech.com\/pt\/defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes\/\"},\"author\":{\"name\":\"Cement Innovator\",\"@id\":\"https:\/\/www.darko-tech.com\/pt\/#\/schema\/person\/d0f905fba48cd4ca78f0a2b8f4b300ce\"},\"headline\":\"Common Roller Press Faults and Their Solutions\",\"datePublished\":\"2024-11-08T08:03:35+00:00\",\"dateModified\":\"2025-03-24T05:34:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes\/\"},\"wordCount\":1042,\"publisher\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/11\/Roller-Press-a-1.jpg\",\"articleSection\":[\"News\"],\"inLanguage\":\"pt-AO\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.darko-tech.com\/pt\/defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes\/\",\"url\":\"https:\/\/www.darko-tech.com\/pt\/defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes\/\",\"name\":\"Common Roller Press Faults and Their Solutions | DARKO\",\"isPartOf\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/defeitos-comuns-das-prensas-de-rolos-e-respectivas-solucoes\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/11\/Roller-Press-a-1.jpg\",\"datePublished\":\"2024-11-08T08:03:35+00:00\",\"dateModified\":\"2025-03-24T05:34:13+00:00\",\"description\":\"Learn to handle roller press faults to boost cement production efficiency. 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