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January 2019

The January/February issue of World Coal features a regional report on coal’s importance to the global energy mix, as well as technical articles on Conveyors & Dust Control; Inspections, Sampling, Testing & Analysis; Lubrication & Wear Protection; Roof Bolting & Bolter Miners; Shovels, Excavators & Draglines; Ventilation & Gas Monitoring; and more!

Sustaining A Reliable Electric Grid
Mark Sankey highlights coal’s importance in maintaining a reliable electricity supply against a backdrop of growing global concerns about its impact on the environment.

First Step Towards Hands-Free Bolting
Stefan Dötsch, Sandvik, Austria, presents an underground mining case study where the company’s bolter miners with innovative roof support solutions were required.

Duplicated Drilling
Katey Matney, J.H. Fletcher & Co., USA, presents a case study for a six headed roof bolting machine.

Cost And Complexity vs Health And Safety
Glyn Jones, Trolex Group, UK, examines the challenges involved with maintaining health and safety in an underground coal mining environment, and whether new technology available to operatives is robust enough to deliver results.

Achieving Meaningful Energy Savings
Kobus van Zyl, BBE Group, South Africa, reviews a generic approach to coal mine ventilation energy-saving opportunities.

Top Notch Top Coal Saving
Sebastian Mundry, Ph.D., Caterpillar Global Mining, explains how longwall top coal caving can mine thick seams efficiently.

Improving Productivity: In The Pit And Beyond
Devon Wells, Wenco International Mining Systems, USA, discusses how high precision machine guidance can improve the end-to-end productivity of mining operations.

Microwave Moisture Analysis
Garry France, Realtime Instruments, Australia, discusses the real time monitoring and control of moisture in coal.

Target Lower Costs
John B. Johnson, FLSmidth, USA, notes the importance of planning ahead and details a number of preventative measures that can be taken by companies to reduce the costs associated with running their baghouses.

Separating Fact From Fiction
Les Williams, Dunlop Conveyor Belting, the Netherlands, discusses a number of commonly held misconceptions surrounding the fire safety of conveyors and why these views are inaccurate.

Danger Zones
Daniel Marshall, Martin Engineering, USA, provides a detailed overview of the danger zones associated with coal conveyor belt systems and how these risks can be mitigated.

A Pattern Of Innovation
Jon Brown, Quaker Chemical Corporation, USA, describes the evolution of hydraulic fluids for longwall mining systems.

Unearthing New Sources Of Productivity
High performance lubricants have an important role in optimising the performance of coal mining equipment. However, Sarp Degirmenci, ExxonMobil, Turkey, explains that choosing the most suitable oils and greases is not clear-cut.

January 2019

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