Category: Operating Ideas

Development of a Mine Rescue Support Vehicle

by larry d. patts, jeremy rohrbaugh and joseph schall The underground mining industry and its partners work tirelessly to improve mine safety and to develop controls that address the dangers inherent to working in the dynamic...

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LED Light Reduces Roof Bolter Lighting Glare

by john j. sammarco Fortunately, there is an overall trend of increasing mineworker safety in the United States. One example is the rate per 200,000 hours worked of coal mining nonfatal lost-time injuries was 2.57 during 2009...

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The Impact of Tax Reform on the Mining Industry

by john myrick The tax reform act signed at the end of 2017 made substantial changes to the tax code, and those changes will have an important — and generally positive — impact on the mining industry. The act is commonly...

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Detecting Leaks in Aboveground HDPE Pipes

by mathew cook No matter the mining and processing operation, waste disposal will always be a significant aspect of the operation. The tailings byproduct of mineral or coal processing is part and parcel of the refinement...

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Controlling Compressor Vibration and Surge

Controlling vibration and surge is one of the most critical aspects of keeping centrifugal and reciprocating compressors up and running. If improperly monitored and maintained, these types of compressors can experience frequent...

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Operating Ideas – December 2017

Performance Improvements for Continuous MinersFor underground coal operators, the continuous miner is an indispensable piece of equipment. Room-and-pillar mines rely on them for production and longwalls depend on them for...

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Operating Ideas – October/November 2017

Modeling Solves Coal Flow ProblemsThe James H. Miller Jr. plant in Alabama is one of the top 10 largest coal-fired power plants in the United States, responsible for 46% of the power generation in Alabama. The plant converted to...

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Operating Ideas – September 2017

Connecting the Connected Mine How do you connect operations that cover vast stretches of land in some of the world’s most rugged and remote locations? That’s the question many mining companies are asking today as they look to...

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Top 10 Coal Producing States & Regions

Week Ending 12/1/2018
(in Thousand Short Tons)
  YTD '18 YTD '17 % Change
Wyoming 276,465 291,967 -5.3
West Virginia 89,661 85,205 5.2
Pennsylvania 45,667 45,311 0.8
Illinois 45,071 44,708 0.8
Kentucky 36,382 38,678 -5.9
Montana 36,133 32,176 12.3
Indiana 31,111 29,066 7.0
North Dakota 27,310 26,432 3.3
Texas 26,414 33,283 -20.6
Alabama 13,378 11,886 12.6
Appalachian Total 186,584 182,652 2.2
Interior Total 126,703 134,126 -5.5
Western Total 380,495 396,988 -4.2
U.S. Total 693,782 713,766 -2.8

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