CA-Black-Transp

Improved Rigging System for Draglines

With significant market share in the regions that operate the most draglines, the Columbia Steel Casting Co. knows a thing or two about dragline rigging systems. The company has recently brought two new devices to the market, Mechanically Attached Anchor Brackets and the Armor Block, and the mining business has quickly embraced both. In addition to these products, Columbia Steel is also looking at new ways to improve dragline uptime for mine operators.

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New System Allows Operators to Effectively Track MSHA Citations

He has not quit his day job as a mine safety compliance attorney. In his spare time, however, Mark Savit with the help of his son Josh, he has developed an interactive Web-based software system, Predictive Compliance, that allows mine operator to effectively track citations from the Mine Safety and Health Administration (MSHA).

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Mine Drainage: An Alternative Source of Water for Power Producers

The use of mine pool water can provide significant advantages for new or expanded steam electric power plants that need to turn to non-traditional, alternative sources of water. New water treatment technology can now produce water that meets these strict specifications at significantly less chemical cost and sludge production than conventional treatment approaches.

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Advancements in Longwall Roof Supports

Longwall shearing machines traverse back and forth across coalfaces of up to 1,300 ft (400 m) in length, cutting coal at rates of up to 1 metric ton (mt) per second. What allows these impressive coal production rates, however, are the massive hydraulic roof supports that shoulder the roof until the shearer has completed its pass.

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Prep Plant Capitalizes on Synthetic Screen Media Conversion

More and more coal prep operations are realizing the advantages of polyurethane and rubber screen media versus woven wire and steel punch plate—namely, significantly extended wear life, ease of maintenance, greatly improved safety, reduced noise, as well as increased magnetite recovery, plant yield, and product quality. The Martin County, Kentucky-based Pinnacle Processing plant, which is owned by Booth Energy, is experiencing each of these benefits after installing Polydeck modular synthetic screen media in several key processing circuits.

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