Fachartikel
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Technical Considerations for the Rescue of Miners Trapped at Great Depth
Long-lasting entrapments are a rare but serious issue in mine rescue. Especially at great depth, such scenarios lead to complex rescue missions, even in modern mining. The first challenge is to locate the trapped miners and to establish communication. Depths of more than 1,500 m go beyond technological feasibility and…
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The German Mining Network – International Mining and Raw Materials Expertise for German Businesses
Authors: AHK Canada, AHK Chile, AHK Australia, AHK Southern Africa, DERA What is the German Mining Network? The German Mining Network is a platform of mining and raw materials experts that comprises the German Mineral Resources Agency (DERA) in the Federal Institute for Geosciences and Raw Materials (BGR), Germany Trade…
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Planning and Execution of the First Direct Face Transfer in Zollverein Seam at Prosper-Haniel Colliery
The coal deposits of the gassy Zollverein 1/2 seam at Prosper-Haniel colliery were developed from the Prosper Nord working district on mine level 7 (1,159 m below sea level). This comprised the three coal panels numbered 123, 121 and 124. Preliminary gas drainage was a key factor leading to the…
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Recent Developments of Pump Stations for Longwall Hydraulics
Increasing lengths of longwalls, increasing support forces of shields leading to higher hydraulic pressure, bigger cylinder diameters in the roof support as well as increasing speed of extraction machines place high demands on the hydraulic supply. Modern hydraulic stations for high production longwalls provide reliably and at high availability more…
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Long-Distance Pumping of Injection Resins
The German coal industry has been using two-component resin injection as a strata reinforcement and consolidation technique for more than 30 years. Up until the early 1990s these products were mainly processed and delivered via simple pneumatic and hydraulic piston pumps, with pneumatically driven geared pumps also being employed in…
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Successful Implementation of Innovative Technology into an Existing Operation – Surface Miner Case Study
The implementation of new technology into an existing mining operation can deliver a step change in operation and commercial benefits. But it also comes along with risk. Integrating new technologies is connected to a number of challenges that could result in the rejection of the innovative technology. Detailed planning, robust…
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Simulation Based Decision Support of Vehicle Usage in Room and Pillar Processes Concerning Productivity, Outcome and Energy Consumption
Saving energy in industrial processes and also in mining underground processes is crucial for modern production. The dependency of different solutions not only on the energy consumption but also on the productivity and the process outcome has to be concerned. For this reason, the Fraunhofer Institute for Manufacturing Engineering and…
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Québec’s Mining Sector
The Québec Government is currently working to introduce a stimulating and advantageous investment framework for the mining sector. The aim of the new Plan Nord, launched in the spring of 2015, is to develop mining, forestry, energy, social, cultural and tourist potential in the area of Québec located north of…
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China Coal 2016: an Update
The Chinese economy has continued its downward trend in 2016. Poor sales prospects have resulted in no more than a moderate increase in investment in most sectors. As a result, the mining industry is not expected to make much of a headway this year and for those German supplier companies…
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Mining in Kazakhstan 2016
The Kazakh mining sector is gearing up for long-term expansion in the years ahead. The country remains a major supplier of raw materials to the Asian and European markets and while the price of coal, copper and iron ore could well remain weak up to 2020 this sector is still…
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