{"id":6883,"date":"2021-01-07T09:06:55","date_gmt":"2021-01-07T05:36:55","guid":{"rendered":"http:\/\/shayansanaat.com\/en\/?p=6883"},"modified":"2021-06-08T11:15:05","modified_gmt":"2021-06-08T07:45:05","slug":"operation-maintenance-and-repair-of-industrial-fans-part-3","status":"publish","type":"post","link":"https:\/\/shayansanaat.com\/en\/operation-maintenance-and-repair-of-industrial-fans-part-3\/","title":{"rendered":"Operation, maintenance and repair of industrial fans (Part 3)"},"content":{"rendered":"<section class=\"l-section wpb_row height_medium\"><div class=\"l-section-h i-cf\"><div class=\"g-cols vc_row type_default valign_top\"><div class=\"vc_col-sm-12 wpb_column vc_column_container\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\"><div class=\"wpb_text_column\" ><div class=\"wpb_wrapper\"><div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<div class=\"jb-before-title-\">\n<h2 class=\"itemTitle\"><span class=\"\">Operation, maintenance and repair of industrial fans (Part 3)<\/span><\/h2>\n<\/div>\n<div class=\"itemImageBlock\"><span class=\"itemImage\"><a class=\"modal\" title=\"Click to preview the image\" ref=\"magnificPopup\" href=\"http:\/\/shayansanaat.com\/temp\/cache\/klixok2watermark\/72f6b7795f9942ef6dc2491d9b769773.jpg\"><img loading=\"lazy\" class=\"watermark jch-lazyloaded\" src=\"https:\/\/shayansanaat.com\/en\/temp\/cache\/klixok2watermark\/1d448c11689d78ab11ee1eb9869bbeb4.jpg\" alt=\"Operation, maintenance and repair of industrial fans (Part 3)\" width=\"750\" height=\"421\" data-src=\"https:\/\/shayansanaat.com\/en\/temp\/cache\/klixok2watermark\/1d448c11689d78ab11ee1eb9869bbeb4.jpg\" \/><\/a><\/span><\/div>\n<div class=\"clr\"><\/div>\n<div class=\"itemHeader\">\n<div class=\"itemRatingBlock\">\n<div class=\"itemRatingForm\">\n<div class=\"clr\"><\/div>\n<\/div>\n<div class=\"clr\"><\/div>\n<\/div>\n<div class=\"itemBody\">\n<div class=\"itemIntroText\">\n<h3>Instructions for operation, maintenance and repair of the dust collection system<\/h3>\n<ul>\n<li>Existence of solid particles and parts in the environment<\/li>\n<li>Dangers of fluid turbulence<\/li>\n<li>Dangers of voltage changes<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"itemFullText\">\n<h3>Dangers of fan vibration<\/h3>\n<p>Mechanical vibrations are one of the most important factors affecting the efficiency of the ventilator and its safety, and therefore their amount should always be controlled during fan operation.<\/p>\n<p>International standards ISO1940 \/ 1 and ISO2372 indicate the allowable vibration limits in rotating devices, and especially the international standard ISO1940 \/ 1 has stated significant points in the field of criteria for determining the allowable vibration limits in fans.\u00a0The products of Kavosh Zist Shayan Sanat Company are also produced based on G6.3 class of this standard.<\/p>\n<p>Note that neglecting vibration control can lead to the following hazards:<\/p>\n<ul>\n<li>Creating deep cracks and crevices that lead to failure of the entire device.<\/li>\n<li>It causes the bearings to malfunction, which eventually leads to the device getting greased.<\/li>\n<li>Loosens the fixing components of the device and the bolts.<\/li>\n<li>Causes a lot of noise when the device is operating.<\/li>\n<\/ul>\n<p>Therefore, it is strongly recommended that you always keep in mind the condition of the mechanical vibrations of the fan and install vibration warning systems and temperature control bearings in sensitive applications to prevent possible accidents with initial preventive measures.<\/p>\n<h3>\u00a0Dangers related to high speed work<\/h3>\n<p>Rotational speeds higher than those designed for the fan can reduce the useful life of the spinner and cause hazardous conditions.<\/p>\n<h3>Instructions for operation, maintenance and repair of the dust collection system<\/h3>\n<p>High system speeds are usually caused by one of the following factors:<\/p>\n<ul>\n<li>Electrical faults in power supplies.<\/li>\n<li>Short circuit in circuits of important system components<\/li>\n<li>Defect in the drive system or inverter<\/li>\n<li>Mechanical rupture in rotating components<\/li>\n<\/ul>\n<p>Speeding above a fan even within a limited period of time can cause irreparable damage such as sudden impeller failure.<\/p>\n<p>It should be noted that even under normal fan operating conditions, there is a possibility of increased rotational speed, especially in fans where the motor is not connected to a standard drive system or inverter.\u00a0Therefore, it is recommended to use this equipment with a fan for more safety.<\/p>\n<p>Also, avoid arbitrary innovations without consulting Kavosh Zist Shayan Sanat Company, because it can cause the mentioned critical conditions.\u00a0Of course, the selected engine is designed for the whole system and is an integral part of it, so avoid any arbitrary manipulation.<\/p>\n<p>To avoid the dangers of high speed in the system, pay attention to the following points:<\/p>\n<ul>\n<li>On engines above 51 kw, implement the step-by-step start method to prevent additional load on the system and breakage of components.<\/li>\n<li>In fans designed for 11 Hz frequency, if the frequency changes, contact the manufacturer and do not act without the manufacturer&#8217;s permission.<\/li>\n<li>For fans with variable speeds, consider a shorter maintenance period.\u00a0.\u00a0Operation instructions<\/li>\n<\/ul>\n<p>Maintenance and repair of dust collector system<\/p>\n<ul>\n<li>Avoid replacing non-core parts as such parts may not fit the system design and may cause the blades or rotor hub to break.<\/li>\n<li>Note the maximum speed specified in the catalog and the defined ambient temperature.\u00a0For stainless steel rotors, these speeds should be reduced by up to 51%.<\/li>\n<li>Operation of the engine at a speed lower than 41% of the rated fan speed also reduces the cooling of the engine and increases its temperature.<\/li>\n<\/ul>\n<h3>\u00a0Maintenance instructions<\/h3>\n<p>Daily maintenance:<\/p>\n<ul>\n<li>Check the power supply amp daily.<\/li>\n<\/ul>\n<p>Weekly maintenance:<\/p>\n<ul>\n<li>Make sure the straps are in good condition.<\/li>\n<li>Check input and output expansion joints.<\/li>\n<li>Visually inspect the butterfly balance.<\/li>\n<li>Check the amount of grease and vascazin of the electromotor fan.<\/li>\n<li>Check the amount of grease and vascazin bearings.<\/li>\n<\/ul>\n<p>Monthly maintenance:<\/p>\n<ul>\n<li>Visit the seismographs<\/li>\n<li>Alignment of currencies__<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/section>\n","protected":false},"excerpt":{"rendered":"Operation, maintenance and repair of industrial fans (Part 3) Instructions for operation, maintenance and repair of the dust collection system Existence of solid particles and parts in the environment Dangers of fluid turbulence Dangers of voltage changes &nbsp; Dangers of fan vibration Mechanical vibrations are one of the most important factors affecting the efficiency of...","protected":false},"author":9,"featured_media":6879,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[86],"tags":[104],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Operation, maintenance and repair of industrial fans (Part 3) - Shayan Sanaat<\/title>\n<meta name=\"description\" content=\"Operation, maintenance and repair of industrial fans (Part 3) - Shayan Sanaat designer and manufacturer of industrial filtration systems and also design and manufacture of Dust collector, Bag filter and Centrifuge fan.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/shayansanaat.com\/en\/operation-maintenance-and-repair-of-industrial-fans-part-3\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta 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