{"id":3953,"date":"2024-06-21T12:54:09","date_gmt":"2024-06-21T02:54:09","guid":{"rendered":"https:\/\/minetek.com\/?p=3953"},"modified":"2024-10-21T15:26:26","modified_gmt":"2024-10-21T04:26:26","slug":"underground-ventilation-trends","status":"publish","type":"post","link":"https:\/\/minetek.com\/en-us\/resource-hub\/news\/underground-ventilation-trends\/","title":{"rendered":"3 key trends driving underground ventilation"},"content":{"rendered":"

From the moment mankind began the pursuit of mining the earth for valuable commodities, there has been one unchanged constant. The need for a safe, reliable and efficient supply of air to those underground. This can be achieved through adequate underground ventilation &\u00a0air solutions<\/a>.<\/p>\n

Since the beginning of civilisation, man has toiled to extract stone, ceramics and later precious minerals to subsist, to improve his way of life and in time, to prosper. Following the onset of the industrial age, this pursuit has expanded on a vast scale and the need to supply air sustainably and in volume to underground operations has grown.<\/p>\n

Today, however, while the pace at which mining is undertaken throughout the world has increased, the imperatives are changing. While the core responsibility of global miners is to provide sustainable operations, the need to constantly adapt and generate new efficiencies is ever-present. On top of the need for quality air supply, the industrial narrative is expanding with miners now charged with the mandate of achieving increased safety, profitability and environmental outcomes.<\/p>\n

As the pace and scale at which mining continues into the future, there are three key enablers that are guiding this new era of mining & underground ventilation;<\/p>\n

    \n
  1. Flexibility<\/strong><\/li>\n
  2. Technology<\/strong><\/li>\n
  3. Agility<\/strong><\/li>\n<\/ol>\n

    1. Ventilation flexibility<\/h4>\n

    The ability to adapt to change is vital in any industry and being able to tailor processes to meet operating conditions is key. In underground mining, the ability to target air supply in line with production requirements is one of the main challenges for operators. To meet this challenge, the concept of underground Ventilation On Demand (VOD) has been prevalent in recent years with systems designed to deliver airflow to workings based on scheduling and people movements.<\/p>\n

    However, the contemporary approach to delivering on-demand air supply in recent times has been to regulate airflow through complex and expensive infrastructure. The solution has been the application of Variable Speed Drives (VSD), Variable Frequency Drives (VFD) or Variable Voltage Variable Frequency Drives (VVCFD) \u2013 which control power to the underground ventilation system enabling airflow to be ramped up or down based on demand.<\/p>\n

    It is a given that high air velocities require high-pressure gradients and maintaining this pressure across a mining network comes at a high cost. In the post-2007 Global Financial Crisis (GFC) era and the subsequent mining downturn of 2013, the use of VSDs was seen as the logical way to tailor the supply of airflow based on demand, with the primary benefit being a reduction in power consumption costs. For an underground mine, has been estimated that ventilation systems can contribute to as much as 50% of power consumption needs. While there has been a heightened focus on driving down costs to enable economically sustainable operations, VSDs still present somewhat of a conundrum.<\/p>\n

    By nature, VSDs are a costly solution in themselves, with infrastructure and supporting control software ranging in the tens to hundreds of thousands of dollars. As expensive as they are, they are equally fragile, requiring dedicated, air-conditioned rooms and custom cabling for operation. While the benefits of Ventilation On Demand via the use of VSDs seem apparent, their use now almost seems illogical in the harshest of underground environments.<\/p>\n

    If only there was another way\u2026<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

    From the moment mankind began the pursuit of mining the earth for valuable commodities, there has been one unchanged constant. The need for a safe, reliable and efficient supply of air to those underground. This can be achieved through adequate underground ventilation &\u00a0air solutions. Since the beginning of civilisation, man has toiled to extract stone, ceramics and later precious minerals to subsist, to improve his way of life and in time, to prosper. Following the onset of the industrial age, this pursuit has expanded on a vast scale and the need to supply air sustainably and in volume to underground […]<\/p>\n","protected":false},"author":1,"featured_media":3707,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[6],"tags":[4,5,60,61],"class_list":["post-3953","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-air","tag-compliance","tag-operational-efficiency","tag-safety","tag-environment"],"acf":[],"contentshake_article_id":"","yoast_head":"\n3 key trends driving underground ventilation - Minetek<\/title>\n<meta name=\"description\" content=\"Discover key trends and innovations driving underground ventilation. 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