…Martin Engineering) Some secondary cleaners must be mounted at least 50 mm from the point the belt leaves the head pulley. This offset also needs to be considered. In addition, the X dimension should be checked with the idler dimensions for adequate…
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Keep on Trucking
…Liebherr has developed digital applications to help overcome these challenges. For example, Liebherr Troubleshoot Advisor (TSA) provides access to detailed troubleshooting instructions for common technical problems, enabling mine’s onsite technicians to troubleshoot their equipment as a Liebherr expert would. Available both online…
The Next Winter Grid Disaster
…enabled that disaster have only gotten worse since, not better. Electricity demand is surging across the country, the natural gas system remains extraordinarily vulnerable to freezing temperatures, renewable intermittency is proving more problematic than boosters want to admit, and — most notably…
Dealing With a Big Disconnect
…December 23, 2023. With an additional eight days remaining in the month, total coal production could be extrapolated to 585 million tons or more. The U.S. still mines a lot of coal. It’s also wintertime here in the northern hemisphere and much…
Longwall Operators Add Capacity for 2024
…mine. “Everything went as planned and we started mining just after midnight,” Toler said. One of the advantages of building a new mine, as opposed to moving from one panel to the next, is that the miners at Allegheny Met had time…
Alliance: 2024 Production Mostly Sold
…bringing our committed and priced order book for 2024 to more than 90% of expected shipments. “We believe the worst of the adverse geological conditions, which delayed development of a new district at Mettiki, idling the longwall there for essentially the entire…
A System on the Brink
…costs and higher interest rates has also derailed projects. While additions of new capacity and infrastructure drag, new power demand is exploding from the reshoring of manufacturing capacity, data centers, economic growth and electrification. From one corner of the country to the…
Sensor Technology Spawns New IoT Solutions for Mining
…Young, product manager for bolting at Sandvik Mining and Rock Solutions’ Ground Support Division. “Through the wireless and connected devices and a user-friendly online platform, customers can easily adapt their individual setup and track any changes in the mine’s ground conditions.” According…
Condition-based Practices Allow Transition to Predictive Maintenance
…be complex, which is one of the reasons why, in the past, many companies avoided comprehensive online vibration-based monitoring. In the majority of plants, vibration condition monitoring is still performed manually, in addition to some isolated wired online vibration measurement for the…
Germany’s Coal Conundrum
…it simply picked the wrong bridge with disastrous consequences. How different German and European energy security would have been if they had prioritized dispatchable fuel diversity, using some of the world’s newest and cleanest coal capacity, instead of prematurely closing it and…
Germany Keeps Coal Online
…Leag. The ministry said that it would evaluate the additional carbon emissions caused by the reactivation of coal plants, and propose compensatory remedies by next summer. The decision for this winter affects two units from RWE’s Niederaussem plant and a unit from…
Durable Solutions Improve Product Characteristics
…became an McLanahan brand. McLanahan offers overhead beam and side beam units. The overhead beam plates are available in sizes from 630 x 630 mm to 2 x 2 m. Plate sizes available for the Side Beam Filter Press range from 630…
Maximizing Motor Performance
…engineers. TMEIC said it planned to adopt the system for internal operations in 2023. The new system, it was reported, can be used to design electrical motors for pumps, compressors and fans. Formerly, engineers had to iteratively adjust design specifications to balance…
Identifying Common Power Quality Disturbances
…IEEE Std 1159-1995(R2001) IEEE Recommended Practice for Monitoring Electric Power Quality. 4. Power Quality Issues of Distorted and Weak Distribution Networks in Mining Industry: A Review, Jalil Yaghoobi, Ahmad Abdullah, Dinesh Kumar, Firuz Zare, and Hamid Soltani, November 18, 2019. https://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=8889719. Share…
Alliance Sees Stability in Future Coal Demand
…said. “All of these announced projects require exceptionally large electrical loads, adding to the reliability concerns of the stakeholders responsible for meeting the rising energy needs of their customers. The increased electricity demand should lead to slowing the premature closing of coal-fired…
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