{"id":3869,"date":"2024-06-20T16:00:20","date_gmt":"2024-06-20T06:00:20","guid":{"rendered":"https:\/\/minetek.com\/?p=3869"},"modified":"2024-10-21T15:21:25","modified_gmt":"2024-10-21T04:21:25","slug":"secondary-mine-ventilation-design","status":"publish","type":"post","link":"https:\/\/minetek.com\/en-au\/resource-hub\/news\/secondary-mine-ventilation-design\/","title":{"rendered":"Secondary mine ventilation design"},"content":{"rendered":"<div class=\"c-cms-content\">\r\n<p><\/p>\r\n<p><\/p>\r\n<p>Secondary <a href=\"https:\/\/minetek.com\/en-au\/solutions\/air\/\">mine ventilation<\/a> has been hamstrung by the availability of fans that satisfy many competing operational factors. The sometimes legislated requirement of adequate volume to the working face, the minimisation of excavation required to fit the selected secondary fan and the power requirements of various operational phases have, in the past, not been satisfied with just one system. The new system being introduced overcomes all these competing requirements in one simple unit with an added bonus of being very durable without loss of performance when wear occurs on the impeller.<\/p>\r\n<p>\r\n\r\n<\/p>\r\n<h4 id=\"h-existing-operational-situation\" class=\"wp-block-heading\">Existing operational situation<\/h4>\r\n<p>\r\n\r\n<\/p>\r\n<p>Several studies have found that between 42% and 49% of mining energy costs are associated with <a href=\"https:\/\/minetek.com\/en-au\/solutions\/air\/\">mine ventilation<\/a>, depending on the type of mine and the equipment used. If we then look at the general breakdown of installed power of the secondary fan to primary vent fans, the ratio is around 2:1. Thus the total energy costs of the secondary ventilation represent about 25% of the overall mining energy costs. It is of interest to note that the cost of running a typical two-stage axial vs the cost of purchasing and general maintenance cost of the same fan over a 10-year period, the breakdown will be conservatively in the order of 40:1.<\/p>\r\n<p><\/p>\r\n\r\n<p>&nbsp;<\/p><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":3186,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6],"tags":[4,5,60],"class_list":["post-3869","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air","tag-compliance","tag-operational-efficiency","tag-safety"],"acf":[],"contentshake_article_id":"","yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Secondary Mine Ventilation Design in Underground Mining<\/title>\n<meta name=\"description\" content=\"Between 42-49% of mining energy costs are associated with mine ventilation. 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