article{osti 21149597 title = {12th US/North American mine ventilation symposium} author = {Wallace K G} abstractNote = {Topics covered include ventilation planning for metal/non metal and coal mines spontaneous combustion heat and humidity miner s act and mine seals numerical modeling coal mine methane mine dust tunnel ventilation mine fans diesel emissions control mine fires
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Get PriceClemcorp supplies a wide range of axial ventilation fans designed specifically for the mining industry Fans range in size from 380mm to 1 800mm in diameter and are suitable for a wide range of applications The company s products are thoroughly tested at an in house ISO5801 facility which is capable of handling fans up to 2 000mm in diameter
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Get PriceCOMPLETE VENTILATION PRODUCT SUPPORT Positive and negative pressure ducting solutions HARDLINE & FLEXLINE PERFORMANCE DUCTING Vane axial fans with high efficiency motors Variable frequency drives VFD s Silencers and sound attenuation solutions FlexLine Cassette storage systems Dedusting solutions to remove 99 9% of respirable dust
Get PriceVentex Ventilation Solutions Every project poses its own unique challenges so we supply both axial and centrifugal fans to cater for your specific site needs Our fans come in a variety of sizes and ducting is also available Our consultants can create bespoke systems which will improve and maintain the air quality on your site
Get PriceThe air cooling systems are designed to provide 4 5 MW of refrigeration duty and cool 200 m3/s of ambient air from 19 5 °C to 12 0 °C wet bulb The system is efficient with a total absorbed electrical power of about 900 kW at the design duty The main fan stations are dual axial fan systems with a total air flow of 240 m3/s at a total
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Get PriceVentilation is required to meet the needs of the operation and considers contaminants from equipment exhaust heating cooling recirculating / reusing where appropriate or directing used air immediately to an exhaust system Other mine systems include electrical distribution communications dewatering backfill if applicable and maintenance
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Get PriceSecondary ventilation control solutions for underground mines The VENTCHOKE is available in sizes ranging from 1 067mm to 1 600mm but can be customised to suit specific applications By delivering the best available fresh air to underground mining personnel the VENTCHOKE optimises operational health and safety OH&S
Get PriceVentilation systems are the largest consumers of power in underground mines—accounting for upward of 50% of energy use Our solutions allow mines to save on energy costs while ensuring miners receive clean air where and when they need it Smart by nature
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Get PriceCAD Forum CAD/BIM Library of free blocks ventilation duct free CAD blocks and symbols DWG RFA IPT F3D 3D/2D by Arkance Systems CZ EN DE Kitchen equipment 121 Kitchen sink 52 Kitchenware 70 Lights 491 Medical care 61 Office 122 People 391 Projects 113 Mining 19 Networks 43 Points 15 Traffic equipment 47 Waters
Get PriceThe absence of diesel equipment has not only significantly reduced ventilation requirements and costs it has even impacted the design of the mine itself Maarten van Koppen senior project engineer at Goldcorp explained Drifts are now designed to be smaller since the ventilation ducting is smaller and the number of auxiliary fans was cut
Get Price5 2 Number of measuring points on each diameter of a circular duct 34 6 1 Access to Nandira Mine 39 6 2 Working districts in Nandira Mine 39 6 3 Support systems at Nandira mine 40 6 4 Ventilation distribution at Nandira mine 40 6 5 Technical specifications of Main Mechanical Ventilator 41 6 6 Field survey readings 45
Get PriceCustomized Marine Gooseeck Ventilation Duct US $ 99 99 999 99 / Piece 1 Year Online technical support Onsite Installation graphic design Source from Chongqing Hi Sea Marine Equipment Import & Export Co Ltd on Alibaba com
Get PriceIn other words I m thinking about fabricating the return s rectangular duct along the bottom of the 2 12 pipes I m intending to make the total width of the return be 36 I d like to know how deep high the duct needs to be so as to balance return against supply Every inch counts and I don t know how to calculate the space provided by the
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Get PriceLalor mine is a push pull system primarily driven by pull The exhaust shaft is equipped with two fans drawing 1 1 million cfm from the mine Fresh air is supplied into the mine from the Chisel and Lalor downcast raises 0 6 million cfm The Chisel and Lalor downcast raises are equipped with 600HP and 400HP fans respectively
Get Priceminimizing main mine fan duct pressure losses at a test site With the advent of sophisticated computational capability mine ventilation systems can now be modeled to determine optimum performance Oberholzer & Meyer 1995 Internationally energy consumption in the mining industry has been receiving renewed interest A recent report showed
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Get PriceUnderground mine ventilation provides a flow of air to the underground workings of a mine of sufficient volume to dilute and remove dust and noxious gases typically NO x SO 2 methane CO 2 and CO and to regulate temperature The source of these gases are equipment that runs on diesel engines blasting with explosives and the orebody itself The largest component of the operating cost for
Get PriceNot only does the mining equipment employed in the operation impact the overall mine productivity ventilation requirements and maintenance considerations of the entire mining operation but also the overall project economics The initial capital cost calculations annual operating costs equipment replacement considerations and other
Get PriceOriginally published in September 2024 The recent improved outlook for commodity prices and the mining industry in general has seen an increase in the number of underground mining projects being considered In the Australian mining context these are almost exclusively accessed via declines from surface In many cases the layout of the mine and/or geotechnical conditions of the site result
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