CNX Coal Resources LP has placed an order for 285 Cat® longwall roof supports destined for use in the Enlow Fork Mine in southwestern Pennsylvania, USA. The mine is one of three in the complex, which produced 20.7 million tonnes (22.8 million tons) in 2015, making it the largest underground coal mining operation in North America. Enlow Fork currently operates ...
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Misalignment of the conveyor belt is a frequent cause of material loss in conveyor systems. Belt centring stations can detect this and correct it. The latest such system in the product range of Flexco Europe GmbH, Rosenfeld/Germany, is the PT Pro EZ (Figure 1). One special feature is that the belt guide roller is polyurethane-coated as standard. This increases the service ...
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High-energy impacts in the loading zone are a frequent cause of material loss in conveyor systems used in coal mines, underground mines and gravel quarries. Impact beds of Flexco Europe GmbH, Rosenfeld/Germany, prevent this by slowing down the material that falls onto the conveyor. The EZIB systems are an efficient example (Figure 2). Users can easily modify and fit them ...
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With more than 40 years of experience in the mining and tunnelling machinery business Industriemaschinen-Bergbau-Service GmbH (IBS), Bischofsheim/Germany, has developed a portfolio of products and services “Made in Germany” tailored to the needs of the industry. At MINExpo 2016 in Las Vegas IBS presented its innovative solutions such as iRoadheader and more in the German Pavilion. IBS has an excellent ...
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The Beeshoek Iron Ore mine is situated approximately 65 km south of Assmang’s flagship Khumani Iron Ore mine, near the town of Postmasburg in the Northern Cape province of South Africa. Composed of five open-cast pits, Beeshoek’s production output is around 3.4 mt/a. The mine is jointly managed by ARM Ferrous – a subsidiary of African Rainbow Minerals – and ...
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In all German towns, both national and state regulations apply for construction site operations, in order to protect all employees, the neighborhood and the public against dust. A study claims that demolition sites in cities are a key factor in overall exposure to fine dust. As a result of the building work itself or interim storage for demolition materials, the ...
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In the open-cast and underground mining bigger performances are demanded by the machines and processes, which means that nowadays also bigger machines are used. E. g., a bucket wheel excavator or a crawler excavator now operates with an installed capacity of more than 15 MW at a voltage of 35 kV. This requires that reliable cables are used for these specific ...
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SKF GmbH, Schweinfurt/Germany, has secured a three-year contract with Compañia Minera Antamina S.A. (Antamina), to provide Proactive Reliability Maintenance services at the company’s open-pit copper mine in Peru. Antamina is jointly owned by BHP Billiton, Glencore, Teck and Mitsubishi Corporation, who have jointly invested over 3.5 bn US$ in the site, making it one of the largest mining investments in ...
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When crushing mined rock and materials, uncrushable objects constitute a severe risk for the production process as well as the installed equipment. In order to limit torque load without disrupting operation, Voith GmbH, Heidenheim/Germany, designed its SlipSet coupling to temporarily slip in the event of an overload situation and thus act as a shock absorber (Figure 9). The company’s recently ...
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