{"id":3794,"date":"2024-12-06T10:39:15","date_gmt":"2024-12-06T02:39:15","guid":{"rendered":"https:\/\/www.darko-tech.com\/?p=3794"},"modified":"2025-05-15T16:23:20","modified_gmt":"2025-05-15T08:23:20","slug":"otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento","status":"publish","type":"post","link":"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/","title":{"rendered":"Otimiza\u00e7\u00e3o do desempenho da prensa de rolos na moagem de cimento"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3794\" class=\"elementor elementor-3794\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f9b813 e-flex e-con-boxed e-con e-parent\" data-id=\"9f9b813\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-81e5b38 elementor-widget elementor-widget-text-editor\" data-id=\"81e5b38\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Since the commissioning in May 2007, Company A&#8217;s cement pre-grinding system has faced frequent failures with the roll press. These issues include low and unstable working pressure on both sides, improper adjustment of the material distribution valve, large particle size of the material exiting the roll press, low hourly output, high grinding energy consumption, and poor overall economic efficiency. This article will share our experiences and improvement measures in controlling the roll press.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-343046a elementor-widget elementor-widget-heading\" data-id=\"343046a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Problem 1: Uneven Material Distribution Causing Pressure Fluctuations<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dccb716 elementor-widget elementor-widget-heading\" data-id=\"dccb716\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Root Cause:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3971465 elementor-widget elementor-widget-text-editor\" data-id=\"3971465\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\">Material guide plate misalignment (45\u00b0 angle toward fixed roller)<\/p><\/li><li><p class=\"ds-markdown-paragraph\">80% material flow biased to fixed roller side<\/p><\/li><li><p class=\"ds-markdown-paragraph\">Moving roller side starvation \u2192 pressure instability<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2574cff elementor-widget elementor-widget-image\" data-id=\"2574cff\" data-element_type=\"widget\" data-e-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=\"400\" src=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/12\/Drawing-of-moving-roller-side-stopper-adjustment-plate-1024x512.jpg\" class=\"attachment-large size-large wp-image-3795\" alt=\"Drawing of moving roller side stopper adjustment plate\" srcset=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/12\/Drawing-of-moving-roller-side-stopper-adjustment-plate-1024x512.jpg 1024w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/12\/Drawing-of-moving-roller-side-stopper-adjustment-plate-300x150.jpg 300w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/12\/Drawing-of-moving-roller-side-stopper-adjustment-plate-768x384.jpg 768w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/12\/Drawing-of-moving-roller-side-stopper-adjustment-plate-18x9.jpg 18w, https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/12\/Drawing-of-moving-roller-side-stopper-adjustment-plate.jpg 1200w\" 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-1e25b6b elementor-widget elementor-widget-heading\" data-id=\"1e25b6b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Solution:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4a968b elementor-widget elementor-widget-text-editor\" data-id=\"b4a968b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong>Repositioned guide plate<\/strong>\u00a0to 60\u00b0 angle facing moving roller exterior<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Set initial roller gap<\/strong>\u00a0to 10mm for optimal material bed formation<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Result:<\/strong>\u00a0Balanced flow distribution \u2192 pressure stabilized within 72 hours<\/p><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-58773fd elementor-widget elementor-widget-heading\" data-id=\"58773fd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Problem 2: Low Hydraulic Pressure (6.0MPa vs Required 8.2MPa)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7229ad5 elementor-widget elementor-widget-heading\" data-id=\"7229ad5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Diagnosis:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-adbf441 elementor-widget elementor-widget-text-editor\" data-id=\"adbf441\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\">Initial system pressure set at\u00a0<strong>6.0MPa<\/strong>\u00a0(below threshold)<\/p><\/li><li><p class=\"ds-markdown-paragraph\">Hydraulic pumps couldn\u2019t compensate for roller gap expansion<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e080597 elementor-widget elementor-widget-heading\" data-id=\"e080597\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Fix:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7834081 elementor-widget elementor-widget-text-editor\" data-id=\"7834081\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong>Increased initial pressure<\/strong>\u00a0to 6.5MPa<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Stabilized feed rate<\/strong>\u00a0at 220\u00b15 t\/h<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Outcome:<\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\">Working pressure reached\u00a0<strong>8.2-8.6MPa<\/strong><\/p><\/li><li><p class=\"ds-markdown-paragraph\">Crushing ratio improved from\u00a0<strong>4.09 to 10.10<\/strong><\/p><\/li><\/ul><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7db27b8 elementor-widget elementor-widget-text-editor\" data-id=\"7db27b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><em>Data Spotlight:<\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c337095 elementor-widget elementor-widget-text-editor\" data-id=\"c337095\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<table><thead><tr><th>Parameter<\/th><th>Before<\/th><th>After<\/th><th>Change<\/th><\/tr><\/thead><tbody><tr><td>Working Pressure<\/td><td>7.4MPa<\/td><td>8.6MPa<\/td><td>+16.2%<\/td><\/tr><tr><td>Power Draw<\/td><td>42kW<\/td><td>35kW<\/td><td>-16.6%<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7a3013a elementor-widget elementor-widget-heading\" data-id=\"7a3013a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Problem 3: Material Distribution Valve Misconfiguration<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e87fe6 elementor-widget elementor-widget-heading\" data-id=\"3e87fe6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Mistake:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ac617ff elementor-widget elementor-widget-text-editor\" data-id=\"ac617ff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\">Valve opening set at\u00a0<strong>20%<\/strong>\u00a0\u2192 edge material buildup<\/p><\/li><li><p class=\"ds-markdown-paragraph\">Coarse particles (~10mm) in finished product<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-433773b elementor-widget elementor-widget-heading\" data-id=\"433773b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Correction:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-45aaa08 elementor-widget elementor-widget-text-editor\" data-id=\"45aaa08\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ol start=\"1\"><li><p class=\"ds-markdown-paragraph\"><strong>Adjusted valve opening<\/strong>\u00a0to 23%<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Cleared edge chutes<\/strong>\u00a0every 4 hours<\/p><\/li><li><p class=\"ds-markdown-paragraph\"><strong>Verification:<\/strong><\/p><ul><li><p class=\"ds-markdown-paragraph\">No more material accumulation<\/p><\/li><li><p class=\"ds-markdown-paragraph\">Particle size distribution:<\/p><ul><li><blockquote><p class=\"ds-markdown-paragraph\">5mm: 0% (previously 12%)<\/p><\/blockquote><\/li><li><p class=\"ds-markdown-paragraph\">&lt;2mm: 89% (previously 63%)<\/p><\/li><\/ul><\/li><\/ul><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cf3922a elementor-widget elementor-widget-heading\" data-id=\"cf3922a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Before\/After Performance Comparison<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b2d5a8b elementor-widget elementor-widget-text-editor\" data-id=\"b2d5a8b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<table><thead><tr><th>KPI<\/th><th>Pre-Fix<\/th><th>Post-Fix<\/th><th>Improvement<\/th><\/tr><\/thead><tbody><tr><td>Avg. Particle Size<\/td><td>3.81mm<\/td><td>1.54mm<\/td><td>59.6%<\/td><\/tr><tr><td>System Output<\/td><td>100%<\/td><td>113.1%<\/td><td>+13.1%<\/td><\/tr><tr><td>Energy Consumption<\/td><td>100%<\/td><td>83.4%<\/td><td>16.6%<\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dac3972 elementor-widget elementor-widget-heading\" data-id=\"dac3972\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why These Solutions Work<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d83bde3 elementor-widget elementor-widget-text-editor\" data-id=\"d83bde3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong>1.Mechanical Advantage<\/strong><\/p><ul><li style=\"list-style-type: none;\"><ul><li><p class=\"ds-markdown-paragraph\">60\u00b0 guide plate angle optimizes material trajectory<\/p><\/li><li><p class=\"ds-markdown-paragraph\">6.5MPa initial pressure builds sufficient hydraulic force<\/p><\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ae5b9e2 elementor-widget elementor-widget-text-editor\" data-id=\"ae5b9e2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p class=\"ds-markdown-paragraph\"><strong>2.Process Synergy<\/strong><\/p><ul><li style=\"list-style-type: none;\"><ul><li><p class=\"ds-markdown-paragraph\">Valve opening at 23% balances throughput &amp; grinding efficiency<\/p><\/li><li><p class=\"ds-markdown-paragraph\">Regular edge chute cleaning prevents recirculation<\/p><\/li><\/ul><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd4b4be elementor-widget elementor-widget-heading\" data-id=\"dd4b4be\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Maintenance Pro Tips<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bbb3988 elementor-widget elementor-widget-heading\" data-id=\"bbb3988\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\ud83d\udd27 Monthly Checks:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fcf5364 elementor-widget elementor-widget-text-editor\" data-id=\"fcf5364\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\">Laser-align roller parallelism (tolerance &lt;0.1mm\/m)<\/p><\/li><li><p class=\"ds-markdown-paragraph\">Test hydraulic accumulator precharge pressure<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-106ad19 elementor-widget elementor-widget-heading\" data-id=\"106ad19\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">\u26a0\ufe0f Red Flags:<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9797764 elementor-widget elementor-widget-text-editor\" data-id=\"9797764\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<ul><li><p class=\"ds-markdown-paragraph\">Pressure fluctuations &gt;\u00b10.3MPa \u2192 Check feed consistency<\/p><\/li><li><p class=\"ds-markdown-paragraph\">Sudden power spikes \u2192 Inspect bearing lubrication<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8364896 elementor-widget elementor-widget-heading\" data-id=\"8364896\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Key Improvements Achieved<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-de58bbe elementor-widget elementor-widget-text-editor\" data-id=\"de58bbe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u2705 +13.1% hourly output \u2013 Ball mill production increase<br \/>\u2705 59.6% finer particles \u2013 Avg. size reduced from 3.81mm to 1.54mm<br \/>\u2705 16.6% energy savings \u2013 Lower grinding power consumption<br \/>\u2705 Stable 8.6MPa pressure \u2013 Up from fluctuating 7.4-7.8MPa<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-213e5fe elementor-widget elementor-widget-text-editor\" data-id=\"213e5fe\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0If you face similar issues, please feel free to <a href=\"https:\/\/www.darko-tech.com\/en\/contact-us\/\">contact us<\/a>. We are happy to help!<\/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-8ca082c e-flex e-con-boxed e-con e-parent\" data-id=\"8ca082c\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-84c078b elementor-widget elementor-widget-text-editor\" data-id=\"84c078b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/www.darko-tech.com\/news\/\">Related Blogs<\/a><\/span><\/h4>\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-54d450e e-flex e-con-boxed e-con e-parent\" data-id=\"54d450e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-172fa98 e-con-full e-flex e-con e-child\" data-id=\"172fa98\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6feb3c5 elementor-widget elementor-widget-text-editor\" data-id=\"6feb3c5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&gt;\u00a0 <span style=\"color: #808080;\"><a style=\"color: #808080;\" href=\"https:\/\/www.darko-tech.com\/how-to-replace-steel-balls-in-cement-mills\/\">How to Replace Steel Balls in Cement Mills\uff1f<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b809e58 elementor-widget elementor-widget-text-editor\" data-id=\"b809e58\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&gt;\u00a0 <span style=\"color: #808080;\"><a style=\"color: #808080;\" href=\"https:\/\/www.darko-tech.com\/the-importance-of-vertical-roller-mills-in-cement-production\/\">The Importance of Vertical Roller Mills in Cement Production<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-223ba7e elementor-widget elementor-widget-text-editor\" data-id=\"223ba7e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&gt;\u00a0 <span style=\"color: #808080;\"><a style=\"color: #808080;\" href=\"https:\/\/www.darko-tech.com\/how-to-choose-the-right-conveyor-system\/\">How To Choose The Right Conveyor System?<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ca31fca e-con-full e-flex e-con e-child\" data-id=\"ca31fca\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-02a6e9d elementor-widget elementor-widget-text-editor\" data-id=\"02a6e9d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&gt;\u00a0 <span style=\"color: #808080;\"><a style=\"color: #808080;\" href=\"https:\/\/www.darko-tech.com\/cement-industry-grinding-systems-methods-for-energy-savings\/\">Cement Industry Grinding Systems: Methods for Energy Savings<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ba6456e elementor-widget elementor-widget-text-editor\" data-id=\"ba6456e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&gt;\u00a0 <span style=\"color: #808080;\"><a style=\"color: #808080;\" href=\"https:\/\/www.darko-tech.com\/cement-mill-buildup-phenomenon-and-its-solutions\/\">Cement Mill Buildup Phenomenon and Its Solutions<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3ab5570 elementor-widget elementor-widget-text-editor\" data-id=\"3ab5570\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>&gt;\u00a0 <span style=\"color: #808080;\"><a style=\"color: #808080;\" href=\"https:\/\/www.darko-tech.com\/how-can-we-effectively-prevent-dust-explosions\/\">How Can We Effectively Prevent Dust Explosions?<\/a><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\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-c9ef73a e-flex e-con-boxed e-con e-parent\" data-id=\"c9ef73a\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4fb8fbf elementor-widget elementor-widget-text-editor\" data-id=\"4fb8fbf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\"><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/www.darko-tech.com\/product\/\">Related Products<\/a><\/span><\/h4>\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<section class=\"elementor-section elementor-top-section elementor-element elementor-element-990931d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"990931d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-a0ed812\" data-id=\"a0ed812\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7554fe9 elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-invisible elementor-widget elementor-widget-call-to-action\" data-id=\"7554fe9\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;motion_fx_motion_fx_scrolling&quot;:&quot;yes&quot;,&quot;_animation&quot;:&quot;zoomIn&quot;,&quot;motion_fx_devices&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;]}\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"https:\/\/www.darko-tech.com\/products\/lump-breaker\/\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/Cement-Lump-Breaker.jpg);\" role=\"img\" aria-label=\"A prominent centrifugal pump on a white background, tailored for industrial use in cement lump breaking processes.\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tCement Lump Breaker\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-5aad7f1\" data-id=\"5aad7f1\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2311da1 elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-invisible elementor-widget elementor-widget-call-to-action\" data-id=\"2311da1\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"https:\/\/www.darko-tech.com\/products\/double-flap-valve\/\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/07\/Double-Decker-Flap-Gate-Valve-5-300x300-1.jpg);\" role=\"img\" aria-label=\"A blue industrial machine with a prominent metal box and a double decker flap gate valve, designed for robust performance.\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tDouble Flap Valve\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-11c630d\" data-id=\"11c630d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8382796 elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-invisible elementor-widget elementor-widget-call-to-action\" data-id=\"8382796\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"https:\/\/www.darko-tech.com\/products\/star-discharge-valve\/\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/08\/Star-ash-discharge-valve.jpg);\" role=\"img\" aria-label=\"A collection of industrial machinery, including a star ash discharge valve, arranged on pallets in a warehouse setting.\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tStar Discharge Valve\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-25 elementor-top-column elementor-element elementor-element-a920407\" data-id=\"a920407\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fcde75a elementor-cta--skin-classic elementor-animated-content elementor-bg-transform elementor-bg-transform-zoom-in elementor-invisible elementor-widget elementor-widget-call-to-action\" data-id=\"fcde75a\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;zoomIn&quot;}\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"https:\/\/www.darko-tech.com\/products\/ls-type-auger-conveyor\/\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/07\/LS-type-screw-conveyor.jpg);\" role=\"img\" aria-label=\"Two LS screw conveyors are placed in the Darko factory, demonstrating their efficient material transportation capabilities\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tLS type auger conveyor\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Since the commissioning in May 2007, Company A&#8217;s cement pre-grinding system has faced frequent failures with the roll press. These issues include low and unstable working pressure on both sides, improper adjustment of the material distribution valve, large particle size of the material exiting the roll press, low hourly output, high grinding energy consumption, and [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3795,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3794","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>Optimizing Roll Press Performance in Cement Grinding | DARKO<\/title>\n<meta name=\"description\" content=\"Step-by-step guide to solve roll press issues: stabilize pressure (8.2\u21928.6MPa), reduce output size (3.8\u21921.5mm), cut energy use 16.6%. Cement plant case study\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Optimizing Roll Press Performance in Cement Grinding\" \/>\n<meta property=\"og:description\" content=\"Step-by-step guide to solve roll press issues: stabilize pressure (8.2\u21928.6MPa), reduce output size (3.8\u21921.5mm), cut energy use 16.6%. Cement plant case study\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/\" \/>\n<meta property=\"og:site_name\" content=\"DARKO\" \/>\n<meta property=\"article:published_time\" content=\"2024-12-06T02:39:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-15T08:23:20+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/12\/Drawing-of-moving-roller-side-stopper-adjustment-plate.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"600\" \/>\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=\"3 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\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/\"},\"author\":{\"name\":\"Cement Innovator\",\"@id\":\"https:\/\/www.darko-tech.com\/pt\/#\/schema\/person\/d0f905fba48cd4ca78f0a2b8f4b300ce\"},\"headline\":\"Optimizing Roll Press Performance in Cement Grinding\",\"datePublished\":\"2024-12-06T02:39:15+00:00\",\"dateModified\":\"2025-05-15T08:23:20+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/\"},\"wordCount\":445,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/12\/Drawing-of-moving-roller-side-stopper-adjustment-plate.jpg\",\"articleSection\":[\"News\"],\"inLanguage\":\"pt-AO\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/\",\"url\":\"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/\",\"name\":\"Optimizing Roll Press Performance in Cement Grinding | DARKO\",\"isPartOf\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.darko-tech.com\/pt\/otimizacao-do-desempenho-da-prensa-de-rolos-na-moagem-de-cimento\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.darko-tech.com\/wp-content\/uploads\/2024\/12\/Drawing-of-moving-roller-side-stopper-adjustment-plate.jpg\",\"datePublished\":\"2024-12-06T02:39:15+00:00\",\"dateModified\":\"2025-05-15T08:23:20+00:00\",\"description\":\"Step-by-step guide to solve roll press issues: stabilize pressure (8.2\u21928.6MPa), reduce output size (3.8\u21921.5mm), cut energy use 16.6%. 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